5641 lines
172 KiB
C
5641 lines
172 KiB
C
/*
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* Mesa 3-D graphics library
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*
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* Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
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* Copyright (C) 2009 VMware, Inc. All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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/**
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* \file mtypes.h
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* Main Mesa data structures.
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*
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* Please try to mark derived values with a leading underscore ('_').
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*/
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#ifndef MTYPES_H
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#define MTYPES_H
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#include <stdint.h> /* uint32_t */
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#include <stdbool.h>
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#include "c11/threads.h"
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#include "main/glheader.h"
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#include "main/glthread.h"
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#include "main/menums.h"
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#include "main/config.h"
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#include "glapi/glapi.h"
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#include "math/m_matrix.h" /* GLmatrix */
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#include "compiler/shader_enums.h"
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#include "compiler/shader_info.h"
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#include "main/formats.h" /* MESA_FORMAT_COUNT */
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#include "compiler/glsl/list.h"
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#include "util/u_idalloc.h"
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#include "util/simple_mtx.h"
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#include "util/u_dynarray.h"
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#include "vbo/vbo.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define GET_COLORMASK_BIT(mask, buf, chan) (((mask) >> (4 * (buf) + (chan))) & 0x1)
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#define GET_COLORMASK(mask, buf) (((mask) >> (4 * (buf))) & 0xf)
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/**
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* \name Some forward type declarations
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*/
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/*@{*/
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struct _mesa_HashTable;
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struct gl_attrib_node;
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struct gl_list_extensions;
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struct gl_meta_state;
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struct gl_program_cache;
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struct gl_texture_object;
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struct gl_debug_state;
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struct gl_context;
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struct st_context;
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struct gl_uniform_storage;
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struct prog_instruction;
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struct gl_program_parameter_list;
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struct gl_shader_spirv_data;
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struct set;
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struct shader_includes;
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/*@}*/
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/** Extra draw modes beyond GL_POINTS, GL_TRIANGLE_FAN, etc */
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#define PRIM_MAX GL_PATCHES
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#define PRIM_OUTSIDE_BEGIN_END (PRIM_MAX + 1)
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#define PRIM_UNKNOWN (PRIM_MAX + 2)
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/**
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* Determine if the given gl_varying_slot appears in the fragment shader.
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*/
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static inline GLboolean
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_mesa_varying_slot_in_fs(gl_varying_slot slot)
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{
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switch (slot) {
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case VARYING_SLOT_PSIZ:
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case VARYING_SLOT_BFC0:
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case VARYING_SLOT_BFC1:
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case VARYING_SLOT_EDGE:
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case VARYING_SLOT_CLIP_VERTEX:
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case VARYING_SLOT_LAYER:
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case VARYING_SLOT_TESS_LEVEL_OUTER:
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case VARYING_SLOT_TESS_LEVEL_INNER:
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case VARYING_SLOT_BOUNDING_BOX0:
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case VARYING_SLOT_BOUNDING_BOX1:
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case VARYING_SLOT_VIEWPORT_MASK:
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return GL_FALSE;
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default:
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return GL_TRUE;
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}
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}
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/**
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* Bit flags for all renderbuffers
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*/
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#define BUFFER_BIT_FRONT_LEFT (1 << BUFFER_FRONT_LEFT)
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#define BUFFER_BIT_BACK_LEFT (1 << BUFFER_BACK_LEFT)
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#define BUFFER_BIT_FRONT_RIGHT (1 << BUFFER_FRONT_RIGHT)
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#define BUFFER_BIT_BACK_RIGHT (1 << BUFFER_BACK_RIGHT)
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#define BUFFER_BIT_DEPTH (1 << BUFFER_DEPTH)
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#define BUFFER_BIT_STENCIL (1 << BUFFER_STENCIL)
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#define BUFFER_BIT_ACCUM (1 << BUFFER_ACCUM)
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#define BUFFER_BIT_COLOR0 (1 << BUFFER_COLOR0)
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#define BUFFER_BIT_COLOR1 (1 << BUFFER_COLOR1)
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#define BUFFER_BIT_COLOR2 (1 << BUFFER_COLOR2)
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#define BUFFER_BIT_COLOR3 (1 << BUFFER_COLOR3)
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#define BUFFER_BIT_COLOR4 (1 << BUFFER_COLOR4)
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#define BUFFER_BIT_COLOR5 (1 << BUFFER_COLOR5)
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#define BUFFER_BIT_COLOR6 (1 << BUFFER_COLOR6)
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#define BUFFER_BIT_COLOR7 (1 << BUFFER_COLOR7)
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/**
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* Mask of all the color buffer bits (but not accum).
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*/
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#define BUFFER_BITS_COLOR (BUFFER_BIT_FRONT_LEFT | \
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BUFFER_BIT_BACK_LEFT | \
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BUFFER_BIT_FRONT_RIGHT | \
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BUFFER_BIT_BACK_RIGHT | \
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BUFFER_BIT_COLOR0 | \
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BUFFER_BIT_COLOR1 | \
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BUFFER_BIT_COLOR2 | \
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BUFFER_BIT_COLOR3 | \
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BUFFER_BIT_COLOR4 | \
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BUFFER_BIT_COLOR5 | \
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BUFFER_BIT_COLOR6 | \
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BUFFER_BIT_COLOR7)
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/* Mask of bits for depth+stencil buffers */
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#define BUFFER_BITS_DEPTH_STENCIL (BUFFER_BIT_DEPTH | BUFFER_BIT_STENCIL)
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/**
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* Framebuffer configuration (aka visual / pixelformat)
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* Note: some of these fields should be boolean, but it appears that
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* code in drivers/dri/common/util.c requires int-sized fields.
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*/
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struct gl_config
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{
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GLboolean floatMode;
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GLuint doubleBufferMode;
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GLuint stereoMode;
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GLint redBits, greenBits, blueBits, alphaBits; /* bits per comp */
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GLuint redMask, greenMask, blueMask, alphaMask;
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GLint redShift, greenShift, blueShift, alphaShift;
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GLint rgbBits; /* total bits for rgb */
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GLint accumRedBits, accumGreenBits, accumBlueBits, accumAlphaBits;
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GLint depthBits;
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GLint stencilBits;
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/* ARB_multisample / SGIS_multisample */
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GLuint samples;
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/* OML_swap_method */
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GLint swapMethod;
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/* EXT_framebuffer_sRGB */
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GLint sRGBCapable;
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};
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/**
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* \name Bit flags used for updating material values.
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*/
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/*@{*/
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#define MAT_ATTRIB_FRONT_AMBIENT 0
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#define MAT_ATTRIB_BACK_AMBIENT 1
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#define MAT_ATTRIB_FRONT_DIFFUSE 2
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#define MAT_ATTRIB_BACK_DIFFUSE 3
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#define MAT_ATTRIB_FRONT_SPECULAR 4
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#define MAT_ATTRIB_BACK_SPECULAR 5
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#define MAT_ATTRIB_FRONT_EMISSION 6
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#define MAT_ATTRIB_BACK_EMISSION 7
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#define MAT_ATTRIB_FRONT_SHININESS 8
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#define MAT_ATTRIB_BACK_SHININESS 9
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#define MAT_ATTRIB_FRONT_INDEXES 10
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#define MAT_ATTRIB_BACK_INDEXES 11
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#define MAT_ATTRIB_MAX 12
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#define MAT_ATTRIB_AMBIENT(f) (MAT_ATTRIB_FRONT_AMBIENT+(f))
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#define MAT_ATTRIB_DIFFUSE(f) (MAT_ATTRIB_FRONT_DIFFUSE+(f))
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#define MAT_ATTRIB_SPECULAR(f) (MAT_ATTRIB_FRONT_SPECULAR+(f))
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#define MAT_ATTRIB_EMISSION(f) (MAT_ATTRIB_FRONT_EMISSION+(f))
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#define MAT_ATTRIB_SHININESS(f)(MAT_ATTRIB_FRONT_SHININESS+(f))
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#define MAT_ATTRIB_INDEXES(f) (MAT_ATTRIB_FRONT_INDEXES+(f))
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#define MAT_BIT_FRONT_AMBIENT (1<<MAT_ATTRIB_FRONT_AMBIENT)
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#define MAT_BIT_BACK_AMBIENT (1<<MAT_ATTRIB_BACK_AMBIENT)
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#define MAT_BIT_FRONT_DIFFUSE (1<<MAT_ATTRIB_FRONT_DIFFUSE)
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#define MAT_BIT_BACK_DIFFUSE (1<<MAT_ATTRIB_BACK_DIFFUSE)
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#define MAT_BIT_FRONT_SPECULAR (1<<MAT_ATTRIB_FRONT_SPECULAR)
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#define MAT_BIT_BACK_SPECULAR (1<<MAT_ATTRIB_BACK_SPECULAR)
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#define MAT_BIT_FRONT_EMISSION (1<<MAT_ATTRIB_FRONT_EMISSION)
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#define MAT_BIT_BACK_EMISSION (1<<MAT_ATTRIB_BACK_EMISSION)
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#define MAT_BIT_FRONT_SHININESS (1<<MAT_ATTRIB_FRONT_SHININESS)
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#define MAT_BIT_BACK_SHININESS (1<<MAT_ATTRIB_BACK_SHININESS)
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#define MAT_BIT_FRONT_INDEXES (1<<MAT_ATTRIB_FRONT_INDEXES)
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#define MAT_BIT_BACK_INDEXES (1<<MAT_ATTRIB_BACK_INDEXES)
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#define FRONT_MATERIAL_BITS (MAT_BIT_FRONT_EMISSION | \
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MAT_BIT_FRONT_AMBIENT | \
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MAT_BIT_FRONT_DIFFUSE | \
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MAT_BIT_FRONT_SPECULAR | \
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MAT_BIT_FRONT_SHININESS | \
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MAT_BIT_FRONT_INDEXES)
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#define BACK_MATERIAL_BITS (MAT_BIT_BACK_EMISSION | \
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MAT_BIT_BACK_AMBIENT | \
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MAT_BIT_BACK_DIFFUSE | \
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MAT_BIT_BACK_SPECULAR | \
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MAT_BIT_BACK_SHININESS | \
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MAT_BIT_BACK_INDEXES)
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#define ALL_MATERIAL_BITS (FRONT_MATERIAL_BITS | BACK_MATERIAL_BITS)
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/*@}*/
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/**
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* Material state.
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*/
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struct gl_material
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{
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GLfloat Attrib[MAT_ATTRIB_MAX][4];
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};
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/**
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* Light state flags.
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*/
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/*@{*/
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#define LIGHT_SPOT 0x1
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#define LIGHT_LOCAL_VIEWER 0x2
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#define LIGHT_POSITIONAL 0x4
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#define LIGHT_NEED_VERTICES (LIGHT_POSITIONAL|LIGHT_LOCAL_VIEWER)
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/*@}*/
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/**
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* Light source state.
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*/
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struct gl_light
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{
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GLboolean Enabled; /**< On/off flag */
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/**
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* \name Derived fields
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*/
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/*@{*/
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GLbitfield _Flags; /**< Mask of LIGHT_x bits defined above */
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GLfloat _Position[4]; /**< position in eye/obj coordinates */
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GLfloat _VP_inf_norm[3]; /**< Norm direction to infinite light */
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GLfloat _h_inf_norm[3]; /**< Norm( _VP_inf_norm + <0,0,1> ) */
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GLfloat _NormSpotDirection[4]; /**< normalized spotlight direction */
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GLfloat _VP_inf_spot_attenuation;
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GLfloat _MatAmbient[2][3]; /**< material ambient * light ambient */
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GLfloat _MatDiffuse[2][3]; /**< material diffuse * light diffuse */
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GLfloat _MatSpecular[2][3]; /**< material spec * light specular */
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/*@}*/
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};
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/**
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* Light model state.
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*/
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struct gl_lightmodel
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{
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GLfloat Ambient[4]; /**< ambient color */
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GLboolean LocalViewer; /**< Local (or infinite) view point? */
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GLboolean TwoSide; /**< Two (or one) sided lighting? */
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GLenum16 ColorControl; /**< either GL_SINGLE_COLOR
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or GL_SEPARATE_SPECULAR_COLOR */
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};
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/**
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* Accumulation buffer attribute group (GL_ACCUM_BUFFER_BIT)
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*/
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struct gl_accum_attrib
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{
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GLfloat ClearColor[4]; /**< Accumulation buffer clear color */
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};
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/**
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* Used for storing clear color, texture border color, etc.
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* The float values are typically unclamped.
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*/
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union gl_color_union
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{
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GLfloat f[4];
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GLint i[4];
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GLuint ui[4];
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};
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/**
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* Color buffer attribute group (GL_COLOR_BUFFER_BIT).
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*/
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struct gl_colorbuffer_attrib
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{
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GLuint ClearIndex; /**< Index for glClear */
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union gl_color_union ClearColor; /**< Color for glClear, unclamped */
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GLuint IndexMask; /**< Color index write mask */
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/** 4 colormask bits per draw buffer, max 8 draw buffers. 4*8 = 32 bits */
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GLbitfield ColorMask;
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GLenum16 DrawBuffer[MAX_DRAW_BUFFERS]; /**< Which buffer to draw into */
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/**
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* \name alpha testing
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*/
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/*@{*/
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GLboolean AlphaEnabled; /**< Alpha test enabled flag */
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GLenum16 AlphaFunc; /**< Alpha test function */
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GLfloat AlphaRefUnclamped;
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GLclampf AlphaRef; /**< Alpha reference value */
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/*@}*/
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/**
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* \name Blending
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*/
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/*@{*/
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GLbitfield BlendEnabled; /**< Per-buffer blend enable flags */
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/* NOTE: this does _not_ depend on fragment clamping or any other clamping
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* control, only on the fixed-pointness of the render target.
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* The query does however depend on fragment color clamping.
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*/
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GLfloat BlendColorUnclamped[4]; /**< Blending color */
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GLfloat BlendColor[4]; /**< Blending color */
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struct
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{
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GLenum16 SrcRGB; /**< RGB blend source term */
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GLenum16 DstRGB; /**< RGB blend dest term */
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GLenum16 SrcA; /**< Alpha blend source term */
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GLenum16 DstA; /**< Alpha blend dest term */
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GLenum16 EquationRGB; /**< GL_ADD, GL_SUBTRACT, etc. */
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GLenum16 EquationA; /**< GL_ADD, GL_SUBTRACT, etc. */
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} Blend[MAX_DRAW_BUFFERS];
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/** Bitfield of color buffers with enabled dual source blending. */
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GLbitfield _BlendUsesDualSrc;
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/** Are the blend func terms currently different for each buffer/target? */
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GLboolean _BlendFuncPerBuffer;
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/** Are the blend equations currently different for each buffer/target? */
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GLboolean _BlendEquationPerBuffer;
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/**
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* Which advanced blending mode is in use (or BLEND_NONE).
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*
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* KHR_blend_equation_advanced only allows advanced blending with a single
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* draw buffer, and NVX_blend_equation_advanced_multi_draw_buffer still
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* requires all draw buffers to match, so we only need a single value.
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*/
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enum gl_advanced_blend_mode _AdvancedBlendMode;
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/** Coherency requested via glEnable(GL_BLEND_ADVANCED_COHERENT_KHR)? */
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bool BlendCoherent;
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/*@}*/
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/**
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* \name Logic op
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*/
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/*@{*/
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GLboolean IndexLogicOpEnabled; /**< Color index logic op enabled flag */
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GLboolean ColorLogicOpEnabled; /**< RGBA logic op enabled flag */
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GLenum16 LogicOp; /**< Logic operator */
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enum gl_logicop_mode _LogicOp;
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/*@}*/
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GLboolean DitherFlag; /**< Dither enable flag */
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GLboolean _ClampFragmentColor; /** < with GL_FIXED_ONLY_ARB resolved */
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GLenum16 ClampFragmentColor; /**< GL_TRUE, GL_FALSE or GL_FIXED_ONLY_ARB */
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GLenum16 ClampReadColor; /**< GL_TRUE, GL_FALSE or GL_FIXED_ONLY_ARB */
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GLboolean sRGBEnabled; /**< Framebuffer sRGB blending/updating requested */
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};
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/**
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* Vertex format to describe a vertex element.
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*/
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struct gl_vertex_format
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{
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GLenum16 Type; /**< datatype: GL_FLOAT, GL_INT, etc */
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GLenum16 Format; /**< default: GL_RGBA, but may be GL_BGRA */
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enum pipe_format _PipeFormat:16; /**< pipe_format for Gallium */
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GLubyte Size:5; /**< components per element (1,2,3,4) */
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GLubyte Normalized:1; /**< GL_ARB_vertex_program */
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GLubyte Integer:1; /**< Integer-valued? */
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GLubyte Doubles:1; /**< double values are not converted to floats */
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GLubyte _ElementSize; /**< Size of each element in bytes */
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};
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/**
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* Current attribute group (GL_CURRENT_BIT).
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*/
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struct gl_current_attrib
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{
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/**
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* \name Current vertex attributes (color, texcoords, etc).
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* \note Values are valid only after FLUSH_VERTICES has been called.
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* \note Index and Edgeflag current values are stored as floats in the
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* SIX and SEVEN attribute slots.
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* \note We need double storage for 64-bit vertex attributes
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*/
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GLfloat Attrib[VERT_ATTRIB_MAX][4*2];
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/**
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* \name Current raster position attributes (always up to date after a
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* glRasterPos call).
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*/
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GLfloat RasterPos[4];
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GLfloat RasterDistance;
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GLfloat RasterColor[4];
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GLfloat RasterSecondaryColor[4];
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GLfloat RasterTexCoords[MAX_TEXTURE_COORD_UNITS][4];
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GLboolean RasterPosValid;
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};
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/**
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* Depth buffer attribute group (GL_DEPTH_BUFFER_BIT).
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*/
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struct gl_depthbuffer_attrib
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{
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GLenum16 Func; /**< Function for depth buffer compare */
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GLclampd Clear; /**< Value to clear depth buffer to */
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GLboolean Test; /**< Depth buffering enabled flag */
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GLboolean Mask; /**< Depth buffer writable? */
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GLboolean BoundsTest; /**< GL_EXT_depth_bounds_test */
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GLclampd BoundsMin, BoundsMax;/**< GL_EXT_depth_bounds_test */
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};
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/**
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* Evaluator attribute group (GL_EVAL_BIT).
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*/
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struct gl_eval_attrib
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{
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/**
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* \name Enable bits
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*/
|
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/*@{*/
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GLboolean Map1Color4;
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GLboolean Map1Index;
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GLboolean Map1Normal;
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GLboolean Map1TextureCoord1;
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GLboolean Map1TextureCoord2;
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GLboolean Map1TextureCoord3;
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GLboolean Map1TextureCoord4;
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GLboolean Map1Vertex3;
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GLboolean Map1Vertex4;
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GLboolean Map2Color4;
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GLboolean Map2Index;
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GLboolean Map2Normal;
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GLboolean Map2TextureCoord1;
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GLboolean Map2TextureCoord2;
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GLboolean Map2TextureCoord3;
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GLboolean Map2TextureCoord4;
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GLboolean Map2Vertex3;
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GLboolean Map2Vertex4;
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GLboolean AutoNormal;
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/*@}*/
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/**
|
|
* \name Map Grid endpoints and divisions and calculated du values
|
|
*/
|
|
/*@{*/
|
|
GLint MapGrid1un;
|
|
GLfloat MapGrid1u1, MapGrid1u2, MapGrid1du;
|
|
GLint MapGrid2un, MapGrid2vn;
|
|
GLfloat MapGrid2u1, MapGrid2u2, MapGrid2du;
|
|
GLfloat MapGrid2v1, MapGrid2v2, MapGrid2dv;
|
|
/*@}*/
|
|
};
|
|
|
|
|
|
/**
|
|
* Compressed fog mode.
|
|
*/
|
|
enum gl_fog_mode
|
|
{
|
|
FOG_NONE,
|
|
FOG_LINEAR,
|
|
FOG_EXP,
|
|
FOG_EXP2,
|
|
};
|
|
|
|
|
|
/**
|
|
* Fog attribute group (GL_FOG_BIT).
|
|
*/
|
|
struct gl_fog_attrib
|
|
{
|
|
GLboolean Enabled; /**< Fog enabled flag */
|
|
GLboolean ColorSumEnabled;
|
|
uint8_t _PackedMode; /**< Fog mode as 2 bits */
|
|
uint8_t _PackedEnabledMode; /**< Masked CompressedMode */
|
|
GLfloat ColorUnclamped[4]; /**< Fog color */
|
|
GLfloat Color[4]; /**< Fog color */
|
|
GLfloat Density; /**< Density >= 0.0 */
|
|
GLfloat Start; /**< Start distance in eye coords */
|
|
GLfloat End; /**< End distance in eye coords */
|
|
GLfloat Index; /**< Fog index */
|
|
GLenum16 Mode; /**< Fog mode */
|
|
GLenum16 FogCoordinateSource;/**< GL_EXT_fog_coord */
|
|
GLenum16 FogDistanceMode; /**< GL_NV_fog_distance */
|
|
};
|
|
|
|
|
|
/**
|
|
* Hint attribute group (GL_HINT_BIT).
|
|
*
|
|
* Values are always one of GL_FASTEST, GL_NICEST, or GL_DONT_CARE.
|
|
*/
|
|
struct gl_hint_attrib
|
|
{
|
|
GLenum16 PerspectiveCorrection;
|
|
GLenum16 PointSmooth;
|
|
GLenum16 LineSmooth;
|
|
GLenum16 PolygonSmooth;
|
|
GLenum16 Fog;
|
|
GLenum16 TextureCompression; /**< GL_ARB_texture_compression */
|
|
GLenum16 GenerateMipmap; /**< GL_SGIS_generate_mipmap */
|
|
GLenum16 FragmentShaderDerivative; /**< GL_ARB_fragment_shader */
|
|
GLuint MaxShaderCompilerThreads; /**< GL_ARB_parallel_shader_compile */
|
|
};
|
|
|
|
|
|
struct gl_light_uniforms {
|
|
/* These must be in the same order as the STATE_* enums,
|
|
* which should also match the order of gl_LightSource members.
|
|
*/
|
|
GLfloat Ambient[4]; /**< STATE_AMBIENT */
|
|
GLfloat Diffuse[4]; /**< STATE_DIFFUSE */
|
|
GLfloat Specular[4]; /**< STATE_SPECULAR */
|
|
GLfloat EyePosition[4]; /**< STATE_POSITION in eye coordinates */
|
|
GLfloat _HalfVector[4]; /**< STATE_HALF_VECTOR */
|
|
GLfloat SpotDirection[3]; /**< STATE_SPOT_DIRECTION in eye coordinates */
|
|
GLfloat _CosCutoff; /**< = MAX(0, cos(SpotCutoff)) */
|
|
GLfloat ConstantAttenuation; /**< STATE_ATTENUATION */
|
|
GLfloat LinearAttenuation;
|
|
GLfloat QuadraticAttenuation;
|
|
GLfloat SpotExponent;
|
|
GLfloat SpotCutoff; /**< STATE_SPOT_CUTOFF in degrees */
|
|
};
|
|
|
|
|
|
/**
|
|
* Lighting attribute group (GL_LIGHT_BIT).
|
|
*/
|
|
struct gl_light_attrib
|
|
{
|
|
/* gl_LightSource uniforms */
|
|
union {
|
|
struct gl_light_uniforms LightSource[MAX_LIGHTS];
|
|
GLfloat LightSourceData[(sizeof(struct gl_light_uniforms) / 4) * MAX_LIGHTS];
|
|
};
|
|
|
|
struct gl_light Light[MAX_LIGHTS]; /**< Array of light sources */
|
|
struct gl_lightmodel Model; /**< Lighting model */
|
|
|
|
/**
|
|
* Front and back material values.
|
|
* Note: must call FLUSH_VERTICES() before using.
|
|
*/
|
|
struct gl_material Material;
|
|
|
|
GLboolean Enabled; /**< Lighting enabled flag */
|
|
GLboolean ColorMaterialEnabled;
|
|
|
|
GLenum16 ShadeModel; /**< GL_FLAT or GL_SMOOTH */
|
|
GLenum16 ProvokingVertex; /**< GL_EXT_provoking_vertex */
|
|
GLenum16 ColorMaterialFace; /**< GL_FRONT, BACK or FRONT_AND_BACK */
|
|
GLenum16 ColorMaterialMode; /**< GL_AMBIENT, GL_DIFFUSE, etc */
|
|
GLbitfield _ColorMaterialBitmask; /**< bitmask formed from Face and Mode */
|
|
|
|
|
|
GLboolean _ClampVertexColor;
|
|
GLenum16 ClampVertexColor; /**< GL_TRUE, GL_FALSE, GL_FIXED_ONLY */
|
|
|
|
/**
|
|
* Derived state for optimizations:
|
|
*/
|
|
/*@{*/
|
|
GLbitfield _EnabledLights; /**< bitmask containing enabled lights */
|
|
|
|
GLboolean _NeedEyeCoords;
|
|
GLboolean _NeedVertices; /**< Use fast shader? */
|
|
|
|
GLfloat _BaseColor[2][3];
|
|
/*@}*/
|
|
};
|
|
|
|
|
|
/**
|
|
* Line attribute group (GL_LINE_BIT).
|
|
*/
|
|
struct gl_line_attrib
|
|
{
|
|
GLboolean SmoothFlag; /**< GL_LINE_SMOOTH enabled? */
|
|
GLboolean StippleFlag; /**< GL_LINE_STIPPLE enabled? */
|
|
GLushort StipplePattern; /**< Stipple pattern */
|
|
GLint StippleFactor; /**< Stipple repeat factor */
|
|
GLfloat Width; /**< Line width */
|
|
};
|
|
|
|
|
|
/**
|
|
* Display list attribute group (GL_LIST_BIT).
|
|
*/
|
|
struct gl_list_attrib
|
|
{
|
|
GLuint ListBase;
|
|
};
|
|
|
|
|
|
/**
|
|
* Multisample attribute group (GL_MULTISAMPLE_BIT).
|
|
*/
|
|
struct gl_multisample_attrib
|
|
{
|
|
GLboolean Enabled;
|
|
GLboolean SampleAlphaToCoverage;
|
|
GLboolean SampleAlphaToOne;
|
|
GLboolean SampleCoverage;
|
|
GLboolean SampleCoverageInvert;
|
|
GLboolean SampleShading;
|
|
|
|
/* ARB_texture_multisample / GL3.2 additions */
|
|
GLboolean SampleMask;
|
|
|
|
GLfloat SampleCoverageValue; /**< In range [0, 1] */
|
|
GLfloat MinSampleShadingValue; /**< In range [0, 1] */
|
|
|
|
/** The GL spec defines this as an array but >32x MSAA is madness */
|
|
GLbitfield SampleMaskValue;
|
|
|
|
/* NV_alpha_to_coverage_dither_control */
|
|
GLenum SampleAlphaToCoverageDitherControl;
|
|
};
|
|
|
|
|
|
/**
|
|
* A pixelmap (see glPixelMap)
|
|
*/
|
|
struct gl_pixelmap
|
|
{
|
|
GLint Size;
|
|
GLfloat Map[MAX_PIXEL_MAP_TABLE];
|
|
};
|
|
|
|
|
|
/**
|
|
* Collection of all pixelmaps
|
|
*/
|
|
struct gl_pixelmaps
|
|
{
|
|
struct gl_pixelmap RtoR; /**< i.e. GL_PIXEL_MAP_R_TO_R */
|
|
struct gl_pixelmap GtoG;
|
|
struct gl_pixelmap BtoB;
|
|
struct gl_pixelmap AtoA;
|
|
struct gl_pixelmap ItoR;
|
|
struct gl_pixelmap ItoG;
|
|
struct gl_pixelmap ItoB;
|
|
struct gl_pixelmap ItoA;
|
|
struct gl_pixelmap ItoI;
|
|
struct gl_pixelmap StoS;
|
|
};
|
|
|
|
|
|
/**
|
|
* Pixel attribute group (GL_PIXEL_MODE_BIT).
|
|
*/
|
|
struct gl_pixel_attrib
|
|
{
|
|
GLenum16 ReadBuffer; /**< source buffer for glRead/CopyPixels() */
|
|
|
|
/*--- Begin Pixel Transfer State ---*/
|
|
/* Fields are in the order in which they're applied... */
|
|
|
|
/** Scale & Bias (index shift, offset) */
|
|
/*@{*/
|
|
GLfloat RedBias, RedScale;
|
|
GLfloat GreenBias, GreenScale;
|
|
GLfloat BlueBias, BlueScale;
|
|
GLfloat AlphaBias, AlphaScale;
|
|
GLfloat DepthBias, DepthScale;
|
|
GLint IndexShift, IndexOffset;
|
|
/*@}*/
|
|
|
|
/* Pixel Maps */
|
|
/* Note: actual pixel maps are not part of this attrib group */
|
|
GLboolean MapColorFlag;
|
|
GLboolean MapStencilFlag;
|
|
|
|
/*--- End Pixel Transfer State ---*/
|
|
|
|
/** glPixelZoom */
|
|
GLfloat ZoomX, ZoomY;
|
|
};
|
|
|
|
|
|
/**
|
|
* Point attribute group (GL_POINT_BIT).
|
|
*/
|
|
struct gl_point_attrib
|
|
{
|
|
GLfloat Size; /**< User-specified point size */
|
|
GLfloat Params[3]; /**< GL_EXT_point_parameters */
|
|
GLfloat MinSize, MaxSize; /**< GL_EXT_point_parameters */
|
|
GLfloat Threshold; /**< GL_EXT_point_parameters */
|
|
GLboolean SmoothFlag; /**< True if GL_POINT_SMOOTH is enabled */
|
|
GLboolean _Attenuated; /**< True if Params != [1, 0, 0] */
|
|
GLboolean PointSprite; /**< GL_NV/ARB_point_sprite */
|
|
GLbitfield CoordReplace; /**< GL_ARB_point_sprite*/
|
|
GLenum16 SpriteOrigin; /**< GL_ARB_point_sprite */
|
|
};
|
|
|
|
|
|
/**
|
|
* Polygon attribute group (GL_POLYGON_BIT).
|
|
*/
|
|
struct gl_polygon_attrib
|
|
{
|
|
GLenum16 FrontFace; /**< Either GL_CW or GL_CCW */
|
|
GLenum FrontMode; /**< Either GL_POINT, GL_LINE or GL_FILL */
|
|
GLenum BackMode; /**< Either GL_POINT, GL_LINE or GL_FILL */
|
|
GLboolean CullFlag; /**< Culling on/off flag */
|
|
GLboolean SmoothFlag; /**< True if GL_POLYGON_SMOOTH is enabled */
|
|
GLboolean StippleFlag; /**< True if GL_POLYGON_STIPPLE is enabled */
|
|
GLenum16 CullFaceMode; /**< Culling mode GL_FRONT or GL_BACK */
|
|
GLfloat OffsetFactor; /**< Polygon offset factor, from user */
|
|
GLfloat OffsetUnits; /**< Polygon offset units, from user */
|
|
GLfloat OffsetClamp; /**< Polygon offset clamp, from user */
|
|
GLboolean OffsetPoint; /**< Offset in GL_POINT mode */
|
|
GLboolean OffsetLine; /**< Offset in GL_LINE mode */
|
|
GLboolean OffsetFill; /**< Offset in GL_FILL mode */
|
|
};
|
|
|
|
|
|
/**
|
|
* Scissor attributes (GL_SCISSOR_BIT).
|
|
*/
|
|
struct gl_scissor_rect
|
|
{
|
|
GLint X, Y; /**< Lower left corner of box */
|
|
GLsizei Width, Height; /**< Size of box */
|
|
};
|
|
|
|
|
|
struct gl_scissor_attrib
|
|
{
|
|
GLbitfield EnableFlags; /**< Scissor test enabled? */
|
|
struct gl_scissor_rect ScissorArray[MAX_VIEWPORTS];
|
|
GLint NumWindowRects; /**< Count of enabled window rectangles */
|
|
GLenum16 WindowRectMode; /**< Whether to include or exclude the rects */
|
|
struct gl_scissor_rect WindowRects[MAX_WINDOW_RECTANGLES];
|
|
};
|
|
|
|
|
|
/**
|
|
* Stencil attribute group (GL_STENCIL_BUFFER_BIT).
|
|
*
|
|
* Three sets of stencil data are tracked so that OpenGL 2.0,
|
|
* GL_EXT_stencil_two_side, and GL_ATI_separate_stencil can all be supported
|
|
* simultaneously. In each of the stencil state arrays, element 0 corresponds
|
|
* to GL_FRONT. Element 1 corresponds to the OpenGL 2.0 /
|
|
* GL_ATI_separate_stencil GL_BACK state. Element 2 corresponds to the
|
|
* GL_EXT_stencil_two_side GL_BACK state.
|
|
*
|
|
* The derived value \c _BackFace is either 1 or 2 depending on whether or
|
|
* not GL_STENCIL_TEST_TWO_SIDE_EXT is enabled.
|
|
*
|
|
* The derived value \c _TestTwoSide is set when the front-face and back-face
|
|
* stencil state are different.
|
|
*/
|
|
struct gl_stencil_attrib
|
|
{
|
|
GLboolean Enabled; /**< Enabled flag */
|
|
GLboolean TestTwoSide; /**< GL_EXT_stencil_two_side */
|
|
GLubyte ActiveFace; /**< GL_EXT_stencil_two_side (0 or 2) */
|
|
GLubyte _BackFace; /**< Current back stencil state (1 or 2) */
|
|
GLenum16 Function[3]; /**< Stencil function */
|
|
GLenum16 FailFunc[3]; /**< Fail function */
|
|
GLenum16 ZPassFunc[3]; /**< Depth buffer pass function */
|
|
GLenum16 ZFailFunc[3]; /**< Depth buffer fail function */
|
|
GLint Ref[3]; /**< Reference value */
|
|
GLuint ValueMask[3]; /**< Value mask */
|
|
GLuint WriteMask[3]; /**< Write mask */
|
|
GLuint Clear; /**< Clear value */
|
|
};
|
|
|
|
|
|
/**
|
|
* Bit flags for each type of texture object
|
|
*/
|
|
/*@{*/
|
|
#define TEXTURE_2D_MULTISAMPLE_BIT (1 << TEXTURE_2D_MULTISAMPLE_INDEX)
|
|
#define TEXTURE_2D_MULTISAMPLE_ARRAY_BIT (1 << TEXTURE_2D_MULTISAMPLE_ARRAY_INDEX)
|
|
#define TEXTURE_CUBE_ARRAY_BIT (1 << TEXTURE_CUBE_ARRAY_INDEX)
|
|
#define TEXTURE_BUFFER_BIT (1 << TEXTURE_BUFFER_INDEX)
|
|
#define TEXTURE_2D_ARRAY_BIT (1 << TEXTURE_2D_ARRAY_INDEX)
|
|
#define TEXTURE_1D_ARRAY_BIT (1 << TEXTURE_1D_ARRAY_INDEX)
|
|
#define TEXTURE_EXTERNAL_BIT (1 << TEXTURE_EXTERNAL_INDEX)
|
|
#define TEXTURE_CUBE_BIT (1 << TEXTURE_CUBE_INDEX)
|
|
#define TEXTURE_3D_BIT (1 << TEXTURE_3D_INDEX)
|
|
#define TEXTURE_RECT_BIT (1 << TEXTURE_RECT_INDEX)
|
|
#define TEXTURE_2D_BIT (1 << TEXTURE_2D_INDEX)
|
|
#define TEXTURE_1D_BIT (1 << TEXTURE_1D_INDEX)
|
|
/*@}*/
|
|
|
|
|
|
/**
|
|
* Texture image state. Drivers will typically create a subclass of this
|
|
* with extra fields for memory buffers, etc.
|
|
*/
|
|
struct gl_texture_image
|
|
{
|
|
GLint InternalFormat; /**< Internal format as given by the user */
|
|
GLenum16 _BaseFormat; /**< Either GL_RGB, GL_RGBA, GL_ALPHA,
|
|
* GL_LUMINANCE, GL_LUMINANCE_ALPHA,
|
|
* GL_INTENSITY, GL_DEPTH_COMPONENT or
|
|
* GL_DEPTH_STENCIL_EXT only. Used for
|
|
* choosing TexEnv arithmetic.
|
|
*/
|
|
mesa_format TexFormat; /**< The actual texture memory format */
|
|
|
|
GLuint Border; /**< 0 or 1 */
|
|
GLuint Width; /**< = 2^WidthLog2 + 2*Border */
|
|
GLuint Height; /**< = 2^HeightLog2 + 2*Border */
|
|
GLuint Depth; /**< = 2^DepthLog2 + 2*Border */
|
|
GLuint Width2; /**< = Width - 2*Border */
|
|
GLuint Height2; /**< = Height - 2*Border */
|
|
GLuint Depth2; /**< = Depth - 2*Border */
|
|
GLuint WidthLog2; /**< = log2(Width2) */
|
|
GLuint HeightLog2; /**< = log2(Height2) */
|
|
GLuint DepthLog2; /**< = log2(Depth2) */
|
|
GLuint MaxNumLevels; /**< = maximum possible number of mipmap
|
|
levels, computed from the dimensions */
|
|
|
|
struct gl_texture_object *TexObject; /**< Pointer back to parent object */
|
|
GLuint Level; /**< Which mipmap level am I? */
|
|
/** Cube map face: index into gl_texture_object::Image[] array */
|
|
GLuint Face;
|
|
|
|
/** GL_ARB_texture_multisample */
|
|
GLuint NumSamples; /**< Sample count, or 0 for non-multisample */
|
|
GLboolean FixedSampleLocations; /**< Same sample locations for all pixels? */
|
|
};
|
|
|
|
|
|
/**
|
|
* Indexes for cube map faces.
|
|
*/
|
|
typedef enum
|
|
{
|
|
FACE_POS_X = 0,
|
|
FACE_NEG_X = 1,
|
|
FACE_POS_Y = 2,
|
|
FACE_NEG_Y = 3,
|
|
FACE_POS_Z = 4,
|
|
FACE_NEG_Z = 5,
|
|
MAX_FACES = 6
|
|
} gl_face_index;
|
|
|
|
/**
|
|
* Sampler state saved and restore by glPush/PopAttrib.
|
|
*
|
|
* Don't put fields here that glPushAttrib shouldn't save.
|
|
* E.g. no GLES fields because GLES doesn't have glPushAttrib.
|
|
*/
|
|
struct gl_sampler_attrib
|
|
{
|
|
GLenum16 WrapS; /**< S-axis texture image wrap mode */
|
|
GLenum16 WrapT; /**< T-axis texture image wrap mode */
|
|
GLenum16 WrapR; /**< R-axis texture image wrap mode */
|
|
GLenum16 MinFilter; /**< minification filter */
|
|
GLenum16 MagFilter; /**< magnification filter */
|
|
GLenum16 sRGBDecode; /**< GL_DECODE_EXT or GL_SKIP_DECODE_EXT */
|
|
GLfloat MinLod; /**< min lambda, OpenGL 1.2 */
|
|
GLfloat MaxLod; /**< max lambda, OpenGL 1.2 */
|
|
GLfloat LodBias; /**< OpenGL 1.4 */
|
|
GLfloat MaxAnisotropy; /**< GL_EXT_texture_filter_anisotropic */
|
|
GLenum16 CompareMode; /**< GL_ARB_shadow */
|
|
GLenum16 CompareFunc; /**< GL_ARB_shadow */
|
|
GLboolean CubeMapSeamless; /**< GL_AMD_seamless_cubemap_per_texture */
|
|
GLboolean IsBorderColorNonZero; /**< Does the border color have any effect? */
|
|
GLenum16 ReductionMode; /**< GL_EXT_texture_filter_minmax */
|
|
|
|
struct pipe_sampler_state state; /**< Gallium representation */
|
|
};
|
|
|
|
/**
|
|
* Texture state saved and restored by glPush/PopAttrib.
|
|
*
|
|
* Don't put fields here that glPushAttrib shouldn't save.
|
|
* E.g. no GLES fields because GLES doesn't have glPushAttrib.
|
|
*/
|
|
struct gl_texture_object_attrib
|
|
{
|
|
GLfloat Priority; /**< in [0,1] */
|
|
GLint BaseLevel; /**< min mipmap level, OpenGL 1.2 */
|
|
GLint MaxLevel; /**< max mipmap level (max=1000), OpenGL 1.2 */
|
|
GLenum Swizzle[4]; /**< GL_EXT_texture_swizzle */
|
|
GLushort _Swizzle; /**< same as Swizzle, but SWIZZLE_* format */
|
|
GLenum16 DepthMode; /**< GL_ARB_depth_texture */
|
|
GLenum16 ImageFormatCompatibilityType; /**< GL_ARB_shader_image_load_store */
|
|
GLushort MinLayer; /**< GL_ARB_texture_view */
|
|
GLushort NumLayers; /**< GL_ARB_texture_view */
|
|
GLboolean GenerateMipmap; /**< GL_SGIS_generate_mipmap */
|
|
GLbyte ImmutableLevels; /**< ES 3.0 / ARB_texture_view */
|
|
GLubyte MinLevel; /**< GL_ARB_texture_view */
|
|
GLubyte NumLevels; /**< GL_ARB_texture_view */
|
|
};
|
|
|
|
/**
|
|
* Sampler object state. These objects are new with GL_ARB_sampler_objects
|
|
* and OpenGL 3.3. Legacy texture objects also contain a sampler object.
|
|
*/
|
|
struct gl_sampler_object
|
|
{
|
|
GLuint Name;
|
|
GLchar *Label; /**< GL_KHR_debug */
|
|
GLint RefCount;
|
|
|
|
struct gl_sampler_attrib Attrib; /**< State saved by glPushAttrib */
|
|
|
|
/** GL_ARB_bindless_texture */
|
|
bool HandleAllocated;
|
|
struct util_dynarray Handles;
|
|
};
|
|
|
|
|
|
/**
|
|
* Texture object state. Contains the array of mipmap images, border color,
|
|
* wrap modes, filter modes, and shadow/texcompare state.
|
|
*/
|
|
struct gl_texture_object
|
|
{
|
|
GLint RefCount; /**< reference count */
|
|
GLuint Name; /**< the user-visible texture object ID */
|
|
GLenum16 Target; /**< GL_TEXTURE_1D, GL_TEXTURE_2D, etc. */
|
|
GLchar *Label; /**< GL_KHR_debug */
|
|
|
|
struct gl_sampler_object Sampler;
|
|
struct gl_texture_object_attrib Attrib; /**< State saved by glPushAttrib */
|
|
|
|
gl_texture_index TargetIndex; /**< The gl_texture_unit::CurrentTex index.
|
|
Only valid when Target is valid. */
|
|
GLbyte _MaxLevel; /**< actual max mipmap level (q in the spec) */
|
|
GLfloat _MaxLambda; /**< = _MaxLevel - BaseLevel (q - p in spec) */
|
|
GLint CropRect[4]; /**< GL_OES_draw_texture */
|
|
GLboolean _BaseComplete; /**< Is the base texture level valid? */
|
|
GLboolean _MipmapComplete; /**< Is the whole mipmap valid? */
|
|
GLboolean _IsIntegerFormat; /**< Does the texture store integer values? */
|
|
GLboolean _RenderToTexture; /**< Any rendering to this texture? */
|
|
GLboolean Purgeable; /**< Is the buffer purgeable under memory
|
|
pressure? */
|
|
GLboolean Immutable; /**< GL_ARB_texture_storage */
|
|
GLboolean _IsFloat; /**< GL_OES_float_texture */
|
|
GLboolean _IsHalfFloat; /**< GL_OES_half_float_texture */
|
|
bool HandleAllocated; /**< GL_ARB_bindless_texture */
|
|
|
|
/* This should not be restored by glPopAttrib: */
|
|
bool StencilSampling; /**< Should we sample stencil instead of depth? */
|
|
|
|
/** GL_OES_EGL_image_external */
|
|
GLubyte RequiredTextureImageUnits;
|
|
|
|
/** GL_EXT_memory_object */
|
|
GLenum16 TextureTiling;
|
|
|
|
/** GL_ARB_texture_buffer_object */
|
|
GLenum16 BufferObjectFormat;
|
|
/** Equivalent Mesa format for BufferObjectFormat. */
|
|
mesa_format _BufferObjectFormat;
|
|
/* TODO: BufferObject->Name should be restored by glPopAttrib(GL_TEXTURE_BIT); */
|
|
struct gl_buffer_object *BufferObject;
|
|
|
|
/** GL_ARB_texture_buffer_range */
|
|
GLintptr BufferOffset;
|
|
GLsizeiptr BufferSize; /**< if this is -1, use BufferObject->Size instead */
|
|
|
|
/** Actual texture images, indexed by [cube face] and [mipmap level] */
|
|
struct gl_texture_image *Image[MAX_FACES][MAX_TEXTURE_LEVELS];
|
|
|
|
/** GL_ARB_bindless_texture */
|
|
struct util_dynarray SamplerHandles;
|
|
struct util_dynarray ImageHandles;
|
|
};
|
|
|
|
|
|
/** Up to four combiner sources are possible with GL_NV_texture_env_combine4 */
|
|
#define MAX_COMBINER_TERMS 4
|
|
|
|
|
|
/**
|
|
* Texture combine environment state.
|
|
*/
|
|
struct gl_tex_env_combine_state
|
|
{
|
|
GLenum16 ModeRGB; /**< GL_REPLACE, GL_DECAL, GL_ADD, etc. */
|
|
GLenum16 ModeA; /**< GL_REPLACE, GL_DECAL, GL_ADD, etc. */
|
|
/** Source terms: GL_PRIMARY_COLOR, GL_TEXTURE, etc */
|
|
GLenum16 SourceRGB[MAX_COMBINER_TERMS];
|
|
GLenum16 SourceA[MAX_COMBINER_TERMS];
|
|
/** Source operands: GL_SRC_COLOR, GL_ONE_MINUS_SRC_COLOR, etc */
|
|
GLenum16 OperandRGB[MAX_COMBINER_TERMS];
|
|
GLenum16 OperandA[MAX_COMBINER_TERMS];
|
|
GLubyte ScaleShiftRGB; /**< 0, 1 or 2 */
|
|
GLubyte ScaleShiftA; /**< 0, 1 or 2 */
|
|
GLubyte _NumArgsRGB; /**< Number of inputs used for the RGB combiner */
|
|
GLubyte _NumArgsA; /**< Number of inputs used for the A combiner */
|
|
};
|
|
|
|
|
|
/** Compressed TexEnv effective Combine mode */
|
|
enum gl_tex_env_mode
|
|
{
|
|
TEXENV_MODE_REPLACE, /* r = a0 */
|
|
TEXENV_MODE_MODULATE, /* r = a0 * a1 */
|
|
TEXENV_MODE_ADD, /* r = a0 + a1 */
|
|
TEXENV_MODE_ADD_SIGNED, /* r = a0 + a1 - 0.5 */
|
|
TEXENV_MODE_INTERPOLATE, /* r = a0 * a2 + a1 * (1 - a2) */
|
|
TEXENV_MODE_SUBTRACT, /* r = a0 - a1 */
|
|
TEXENV_MODE_DOT3_RGB, /* r = a0 . a1 */
|
|
TEXENV_MODE_DOT3_RGB_EXT, /* r = a0 . a1 */
|
|
TEXENV_MODE_DOT3_RGBA, /* r = a0 . a1 */
|
|
TEXENV_MODE_DOT3_RGBA_EXT, /* r = a0 . a1 */
|
|
TEXENV_MODE_MODULATE_ADD_ATI, /* r = a0 * a2 + a1 */
|
|
TEXENV_MODE_MODULATE_SIGNED_ADD_ATI, /* r = a0 * a2 + a1 - 0.5 */
|
|
TEXENV_MODE_MODULATE_SUBTRACT_ATI, /* r = a0 * a2 - a1 */
|
|
TEXENV_MODE_ADD_PRODUCTS_NV, /* r = a0 * a1 + a2 * a3 */
|
|
TEXENV_MODE_ADD_PRODUCTS_SIGNED_NV, /* r = a0 * a1 + a2 * a3 - 0.5 */
|
|
};
|
|
|
|
|
|
/** Compressed TexEnv Combine source */
|
|
enum gl_tex_env_source
|
|
{
|
|
TEXENV_SRC_TEXTURE0,
|
|
TEXENV_SRC_TEXTURE1,
|
|
TEXENV_SRC_TEXTURE2,
|
|
TEXENV_SRC_TEXTURE3,
|
|
TEXENV_SRC_TEXTURE4,
|
|
TEXENV_SRC_TEXTURE5,
|
|
TEXENV_SRC_TEXTURE6,
|
|
TEXENV_SRC_TEXTURE7,
|
|
TEXENV_SRC_TEXTURE,
|
|
TEXENV_SRC_PREVIOUS,
|
|
TEXENV_SRC_PRIMARY_COLOR,
|
|
TEXENV_SRC_CONSTANT,
|
|
TEXENV_SRC_ZERO,
|
|
TEXENV_SRC_ONE,
|
|
};
|
|
|
|
|
|
/** Compressed TexEnv Combine operand */
|
|
enum gl_tex_env_operand
|
|
{
|
|
TEXENV_OPR_COLOR,
|
|
TEXENV_OPR_ONE_MINUS_COLOR,
|
|
TEXENV_OPR_ALPHA,
|
|
TEXENV_OPR_ONE_MINUS_ALPHA,
|
|
};
|
|
|
|
|
|
/** Compressed TexEnv Combine argument */
|
|
struct gl_tex_env_argument
|
|
{
|
|
#ifdef __GNUC__
|
|
__extension__ uint8_t Source:4; /**< TEXENV_SRC_x */
|
|
__extension__ uint8_t Operand:2; /**< TEXENV_OPR_x */
|
|
#else
|
|
uint8_t Source; /**< SRC_x */
|
|
uint8_t Operand; /**< OPR_x */
|
|
#endif
|
|
};
|
|
|
|
|
|
/***
|
|
* Compressed TexEnv Combine state.
|
|
*/
|
|
struct gl_tex_env_combine_packed
|
|
{
|
|
uint32_t ModeRGB:4; /**< Effective mode for RGB as 4 bits */
|
|
uint32_t ModeA:4; /**< Effective mode for RGB as 4 bits */
|
|
uint32_t ScaleShiftRGB:2; /**< 0, 1 or 2 */
|
|
uint32_t ScaleShiftA:2; /**< 0, 1 or 2 */
|
|
uint32_t NumArgsRGB:3; /**< Number of inputs used for the RGB combiner */
|
|
uint32_t NumArgsA:3; /**< Number of inputs used for the A combiner */
|
|
/** Source arguments in a packed manner */
|
|
struct gl_tex_env_argument ArgsRGB[MAX_COMBINER_TERMS];
|
|
struct gl_tex_env_argument ArgsA[MAX_COMBINER_TERMS];
|
|
};
|
|
|
|
|
|
/**
|
|
* TexGenEnabled flags.
|
|
*/
|
|
/*@{*/
|
|
#define S_BIT 1
|
|
#define T_BIT 2
|
|
#define R_BIT 4
|
|
#define Q_BIT 8
|
|
#define STR_BITS (S_BIT | T_BIT | R_BIT)
|
|
/*@}*/
|
|
|
|
|
|
/**
|
|
* Bit flag versions of the corresponding GL_ constants.
|
|
*/
|
|
/*@{*/
|
|
#define TEXGEN_SPHERE_MAP 0x1
|
|
#define TEXGEN_OBJ_LINEAR 0x2
|
|
#define TEXGEN_EYE_LINEAR 0x4
|
|
#define TEXGEN_REFLECTION_MAP_NV 0x8
|
|
#define TEXGEN_NORMAL_MAP_NV 0x10
|
|
|
|
#define TEXGEN_NEED_NORMALS (TEXGEN_SPHERE_MAP | \
|
|
TEXGEN_REFLECTION_MAP_NV | \
|
|
TEXGEN_NORMAL_MAP_NV)
|
|
#define TEXGEN_NEED_EYE_COORD (TEXGEN_SPHERE_MAP | \
|
|
TEXGEN_REFLECTION_MAP_NV | \
|
|
TEXGEN_NORMAL_MAP_NV | \
|
|
TEXGEN_EYE_LINEAR)
|
|
/*@}*/
|
|
|
|
|
|
|
|
/** Tex-gen enabled for texture unit? */
|
|
#define ENABLE_TEXGEN(unit) (1 << (unit))
|
|
|
|
/** Non-identity texture matrix for texture unit? */
|
|
#define ENABLE_TEXMAT(unit) (1 << (unit))
|
|
|
|
|
|
/**
|
|
* Texture coord generation state.
|
|
*/
|
|
struct gl_texgen
|
|
{
|
|
GLenum16 Mode; /**< GL_EYE_LINEAR, GL_SPHERE_MAP, etc */
|
|
GLbitfield8 _ModeBit; /**< TEXGEN_x bit corresponding to Mode */
|
|
};
|
|
|
|
|
|
/**
|
|
* Sampler-related subset of a texture unit, like current texture objects.
|
|
*/
|
|
struct gl_texture_unit
|
|
{
|
|
GLfloat LodBias; /**< for biasing mipmap levels */
|
|
float LodBiasQuantized; /**< to reduce pipe_sampler_state variants */
|
|
|
|
/** Texture targets that have a non-default texture bound */
|
|
GLbitfield _BoundTextures;
|
|
|
|
/** Current sampler object (GL_ARB_sampler_objects) */
|
|
struct gl_sampler_object *Sampler;
|
|
|
|
/** Current texture object pointers */
|
|
struct gl_texture_object *CurrentTex[NUM_TEXTURE_TARGETS];
|
|
|
|
/** Points to highest priority, complete and enabled texture object */
|
|
struct gl_texture_object *_Current;
|
|
};
|
|
|
|
enum {
|
|
GEN_S,
|
|
GEN_T,
|
|
GEN_R,
|
|
GEN_Q,
|
|
NUM_GEN,
|
|
};
|
|
|
|
/**
|
|
* Fixed-function-related subset of a texture unit, like enable flags,
|
|
* texture environment/function/combiners, and texgen state.
|
|
*/
|
|
struct gl_fixedfunc_texture_unit
|
|
{
|
|
GLbitfield16 Enabled; /**< bitmask of TEXTURE_*_BIT flags */
|
|
|
|
GLenum16 EnvMode; /**< GL_MODULATE, GL_DECAL, GL_BLEND, etc. */
|
|
GLclampf EnvColor[4];
|
|
GLfloat EnvColorUnclamped[4];
|
|
|
|
struct gl_texgen GenS;
|
|
struct gl_texgen GenT;
|
|
struct gl_texgen GenR;
|
|
struct gl_texgen GenQ;
|
|
|
|
GLfloat EyePlane[NUM_GEN][4];
|
|
GLfloat ObjectPlane[NUM_GEN][4];
|
|
|
|
GLbitfield8 TexGenEnabled; /**< Bitwise-OR of [STRQ]_BIT values */
|
|
GLbitfield8 _GenFlags; /**< Bitwise-OR of Gen[STRQ]._ModeBit */
|
|
|
|
/**
|
|
* \name GL_EXT_texture_env_combine
|
|
*/
|
|
struct gl_tex_env_combine_state Combine;
|
|
|
|
/**
|
|
* Derived state based on \c EnvMode and the \c BaseFormat of the
|
|
* currently enabled texture.
|
|
*/
|
|
struct gl_tex_env_combine_state _EnvMode;
|
|
|
|
/** Current compressed TexEnv & Combine state */
|
|
struct gl_tex_env_combine_packed _CurrentCombinePacked;
|
|
|
|
/**
|
|
* Currently enabled combiner state. This will point to either
|
|
* \c Combine or \c _EnvMode.
|
|
*/
|
|
struct gl_tex_env_combine_state *_CurrentCombine;
|
|
};
|
|
|
|
|
|
/**
|
|
* Texture attribute group (GL_TEXTURE_BIT).
|
|
*/
|
|
struct gl_texture_attrib
|
|
{
|
|
struct gl_texture_object *ProxyTex[NUM_TEXTURE_TARGETS];
|
|
|
|
/** GL_ARB_texture_buffer_object */
|
|
struct gl_buffer_object *BufferObject;
|
|
|
|
GLuint CurrentUnit; /**< GL_ACTIVE_TEXTURE */
|
|
|
|
/** Texture coord units/sets used for fragment texturing */
|
|
GLbitfield8 _EnabledCoordUnits;
|
|
|
|
/** Texture coord units that have texgen enabled */
|
|
GLbitfield8 _TexGenEnabled;
|
|
|
|
/** Texture coord units that have non-identity matrices */
|
|
GLbitfield8 _TexMatEnabled;
|
|
|
|
/** Bitwise-OR of all Texture.Unit[i]._GenFlags */
|
|
GLbitfield8 _GenFlags;
|
|
|
|
/** Largest index of a texture unit with _Current != NULL. */
|
|
GLshort _MaxEnabledTexImageUnit;
|
|
|
|
/** Largest index + 1 of texture units that have had any CurrentTex set. */
|
|
GLubyte NumCurrentTexUsed;
|
|
|
|
/** GL_ARB_seamless_cubemap */
|
|
GLboolean CubeMapSeamless;
|
|
|
|
struct gl_texture_unit Unit[MAX_COMBINED_TEXTURE_IMAGE_UNITS];
|
|
struct gl_fixedfunc_texture_unit FixedFuncUnit[MAX_TEXTURE_COORD_UNITS];
|
|
};
|
|
|
|
|
|
/**
|
|
* Data structure representing a single clip plane (e.g. one of the elements
|
|
* of the ctx->Transform.EyeUserPlane or ctx->Transform._ClipUserPlane array).
|
|
*/
|
|
typedef GLfloat gl_clip_plane[4];
|
|
|
|
|
|
/**
|
|
* Transformation attribute group (GL_TRANSFORM_BIT).
|
|
*/
|
|
struct gl_transform_attrib
|
|
{
|
|
GLenum16 MatrixMode; /**< Matrix mode */
|
|
gl_clip_plane EyeUserPlane[MAX_CLIP_PLANES]; /**< User clip planes */
|
|
gl_clip_plane _ClipUserPlane[MAX_CLIP_PLANES]; /**< derived */
|
|
GLbitfield ClipPlanesEnabled; /**< on/off bitmask */
|
|
GLboolean Normalize; /**< Normalize all normals? */
|
|
GLboolean RescaleNormals; /**< GL_EXT_rescale_normal */
|
|
GLboolean RasterPositionUnclipped; /**< GL_IBM_rasterpos_clip */
|
|
GLboolean DepthClampNear; /**< GL_AMD_depth_clamp_separate */
|
|
GLboolean DepthClampFar; /**< GL_AMD_depth_clamp_separate */
|
|
/** GL_ARB_clip_control */
|
|
GLenum16 ClipOrigin; /**< GL_LOWER_LEFT or GL_UPPER_LEFT */
|
|
GLenum16 ClipDepthMode;/**< GL_NEGATIVE_ONE_TO_ONE or GL_ZERO_TO_ONE */
|
|
};
|
|
|
|
|
|
/**
|
|
* Viewport attribute group (GL_VIEWPORT_BIT).
|
|
*/
|
|
struct gl_viewport_attrib
|
|
{
|
|
GLfloat X, Y; /**< position */
|
|
GLfloat Width, Height; /**< size */
|
|
GLfloat Near, Far; /**< Depth buffer range */
|
|
|
|
/**< GL_NV_viewport_swizzle */
|
|
GLenum16 SwizzleX, SwizzleY, SwizzleZ, SwizzleW;
|
|
};
|
|
|
|
|
|
/**
|
|
* Fields describing a mapped buffer range.
|
|
*/
|
|
struct gl_buffer_mapping
|
|
{
|
|
GLbitfield AccessFlags; /**< Mask of GL_MAP_x_BIT flags */
|
|
GLvoid *Pointer; /**< User-space address of mapping */
|
|
GLintptr Offset; /**< Mapped offset */
|
|
GLsizeiptr Length; /**< Mapped length */
|
|
};
|
|
|
|
|
|
/**
|
|
* Usages we've seen for a buffer object.
|
|
*/
|
|
typedef enum
|
|
{
|
|
USAGE_UNIFORM_BUFFER = 0x1,
|
|
USAGE_TEXTURE_BUFFER = 0x2,
|
|
USAGE_ATOMIC_COUNTER_BUFFER = 0x4,
|
|
USAGE_SHADER_STORAGE_BUFFER = 0x8,
|
|
USAGE_TRANSFORM_FEEDBACK_BUFFER = 0x10,
|
|
USAGE_PIXEL_PACK_BUFFER = 0x20,
|
|
USAGE_ARRAY_BUFFER = 0x40,
|
|
USAGE_ELEMENT_ARRAY_BUFFER = 0x80,
|
|
USAGE_DISABLE_MINMAX_CACHE = 0x100,
|
|
} gl_buffer_usage;
|
|
|
|
|
|
/**
|
|
* GL_ARB_vertex/pixel_buffer_object buffer object
|
|
*/
|
|
struct gl_buffer_object
|
|
{
|
|
GLint RefCount;
|
|
GLuint Name;
|
|
GLchar *Label; /**< GL_KHR_debug */
|
|
|
|
/**
|
|
* The context that holds a global buffer reference for the lifetime of
|
|
* the GL buffer ID to skip refcounting for all its private bind points.
|
|
* Other contexts must still do refcounting as usual. Shared binding points
|
|
* like TBO within gl_texture_object are always refcounted.
|
|
*
|
|
* Implementation details:
|
|
* - Only the context that creates the buffer ("creating context") skips
|
|
* refcounting.
|
|
* - Only buffers represented by an OpenGL buffer ID skip refcounting.
|
|
* Other internal buffers don't. (glthread requires refcounting for
|
|
* internal buffers, etc.)
|
|
* - glDeleteBuffers removes the global buffer reference and increments
|
|
* RefCount for all private bind points where the deleted buffer is bound
|
|
* (e.g. unbound VAOs that are not changed by glDeleteBuffers),
|
|
* effectively enabling refcounting for that context. This is the main
|
|
* point where the global buffer reference is removed.
|
|
* - glDeleteBuffers called from a different context adds the buffer into
|
|
* the ZombieBufferObjects list, which is a way to notify the creating
|
|
* context that it should remove its global buffer reference to allow
|
|
* freeing the buffer. The creating context walks over that list in a few
|
|
* GL functions.
|
|
* - xxxDestroyContext walks over all buffers and removes its global
|
|
* reference from those buffers that it created.
|
|
*/
|
|
struct gl_context *Ctx;
|
|
GLint CtxRefCount; /**< Non-atomic references held by Ctx. */
|
|
|
|
GLenum16 Usage; /**< GL_STREAM_DRAW_ARB, GL_STREAM_READ_ARB, etc. */
|
|
GLbitfield StorageFlags; /**< GL_MAP_PERSISTENT_BIT, etc. */
|
|
GLsizeiptrARB Size; /**< Size of buffer storage in bytes */
|
|
GLubyte *Data; /**< Location of storage either in RAM or VRAM. */
|
|
GLboolean DeletePending; /**< true if buffer object is removed from the hash */
|
|
GLboolean Written; /**< Ever written to? (for debugging) */
|
|
GLboolean Purgeable; /**< Is the buffer purgeable under memory pressure? */
|
|
GLboolean Immutable; /**< GL_ARB_buffer_storage */
|
|
gl_buffer_usage UsageHistory; /**< How has this buffer been used so far? */
|
|
|
|
/** Counters used for buffer usage warnings */
|
|
GLuint NumSubDataCalls;
|
|
GLuint NumMapBufferWriteCalls;
|
|
|
|
struct gl_buffer_mapping Mappings[MAP_COUNT];
|
|
|
|
/** Memoization of min/max index computations for static index buffers */
|
|
simple_mtx_t MinMaxCacheMutex;
|
|
struct hash_table *MinMaxCache;
|
|
unsigned MinMaxCacheHitIndices;
|
|
unsigned MinMaxCacheMissIndices;
|
|
bool MinMaxCacheDirty;
|
|
|
|
bool HandleAllocated; /**< GL_ARB_bindless_texture */
|
|
};
|
|
|
|
|
|
/**
|
|
* Client pixel packing/unpacking attributes
|
|
*/
|
|
struct gl_pixelstore_attrib
|
|
{
|
|
GLint Alignment;
|
|
GLint RowLength;
|
|
GLint SkipPixels;
|
|
GLint SkipRows;
|
|
GLint ImageHeight;
|
|
GLint SkipImages;
|
|
GLboolean SwapBytes;
|
|
GLboolean LsbFirst;
|
|
GLboolean Invert; /**< GL_MESA_pack_invert */
|
|
GLint CompressedBlockWidth; /**< GL_ARB_compressed_texture_pixel_storage */
|
|
GLint CompressedBlockHeight;
|
|
GLint CompressedBlockDepth;
|
|
GLint CompressedBlockSize;
|
|
struct gl_buffer_object *BufferObj; /**< GL_ARB_pixel_buffer_object */
|
|
};
|
|
|
|
|
|
/**
|
|
* Enum for defining the mapping for the position/generic0 attribute.
|
|
*
|
|
* Do not change the order of the values as these are used as
|
|
* array indices.
|
|
*/
|
|
typedef enum
|
|
{
|
|
ATTRIBUTE_MAP_MODE_IDENTITY, /**< 1:1 mapping */
|
|
ATTRIBUTE_MAP_MODE_POSITION, /**< get position and generic0 from position */
|
|
ATTRIBUTE_MAP_MODE_GENERIC0, /**< get position and generic0 from generic0 */
|
|
ATTRIBUTE_MAP_MODE_MAX /**< for sizing arrays */
|
|
} gl_attribute_map_mode;
|
|
|
|
|
|
/**
|
|
* Attributes to describe a vertex array.
|
|
*
|
|
* Contains the size, type, format and normalization flag,
|
|
* along with the index of a vertex buffer binding point.
|
|
*
|
|
* Note that the Stride field corresponds to VERTEX_ATTRIB_ARRAY_STRIDE
|
|
* and is only present for backwards compatibility reasons.
|
|
* Rendering always uses VERTEX_BINDING_STRIDE.
|
|
* The gl*Pointer() functions will set VERTEX_ATTRIB_ARRAY_STRIDE
|
|
* and VERTEX_BINDING_STRIDE to the same value, while
|
|
* glBindVertexBuffer() will only set VERTEX_BINDING_STRIDE.
|
|
*/
|
|
struct gl_array_attributes
|
|
{
|
|
/** Points to client array data. Not used when a VBO is bound */
|
|
const GLubyte *Ptr;
|
|
/** Offset of the first element relative to the binding offset */
|
|
GLuint RelativeOffset;
|
|
/** Vertex format */
|
|
struct gl_vertex_format Format;
|
|
/** Stride as specified with gl*Pointer() */
|
|
GLshort Stride;
|
|
/** Index into gl_vertex_array_object::BufferBinding[] array */
|
|
GLubyte BufferBindingIndex;
|
|
|
|
/**
|
|
* Derived effective buffer binding index
|
|
*
|
|
* Index into the gl_vertex_buffer_binding array of the vao.
|
|
* Similar to BufferBindingIndex, but with the mapping of the
|
|
* position/generic0 attributes applied and with identical
|
|
* gl_vertex_buffer_binding entries collapsed to a single
|
|
* entry within the vao.
|
|
*
|
|
* The value is valid past calling _mesa_update_vao_derived_arrays.
|
|
* Note that _mesa_update_vao_derived_arrays is called when binding
|
|
* the VAO to Array._DrawVAO.
|
|
*/
|
|
GLubyte _EffBufferBindingIndex;
|
|
/**
|
|
* Derived effective relative offset.
|
|
*
|
|
* Relative offset to the effective buffers offset in
|
|
* gl_vertex_buffer_binding::_EffOffset.
|
|
*
|
|
* The value is valid past calling _mesa_update_vao_derived_arrays.
|
|
* Note that _mesa_update_vao_derived_arrays is called when binding
|
|
* the VAO to Array._DrawVAO.
|
|
*/
|
|
GLushort _EffRelativeOffset;
|
|
};
|
|
|
|
|
|
/**
|
|
* This describes the buffer object used for a vertex array (or
|
|
* multiple vertex arrays). If BufferObj points to the default/null
|
|
* buffer object, then the vertex array lives in user memory and not a VBO.
|
|
*/
|
|
struct gl_vertex_buffer_binding
|
|
{
|
|
GLintptr Offset; /**< User-specified offset */
|
|
GLsizei Stride; /**< User-specified stride */
|
|
GLuint InstanceDivisor; /**< GL_ARB_instanced_arrays */
|
|
struct gl_buffer_object *BufferObj; /**< GL_ARB_vertex_buffer_object */
|
|
GLbitfield _BoundArrays; /**< Arrays bound to this binding point */
|
|
|
|
/**
|
|
* Derived effective bound arrays.
|
|
*
|
|
* The effective binding handles enabled arrays past the
|
|
* position/generic0 attribute mapping and reduces the refered
|
|
* gl_vertex_buffer_binding entries to a unique subset.
|
|
*
|
|
* The value is valid past calling _mesa_update_vao_derived_arrays.
|
|
* Note that _mesa_update_vao_derived_arrays is called when binding
|
|
* the VAO to Array._DrawVAO.
|
|
*/
|
|
GLbitfield _EffBoundArrays;
|
|
/**
|
|
* Derived offset.
|
|
*
|
|
* The absolute offset to that we can collapse some attributes
|
|
* to this unique effective binding.
|
|
* For user space array bindings this contains the smallest pointer value
|
|
* in the bound and interleaved arrays.
|
|
* For VBO bindings this contains an offset that lets the attributes
|
|
* _EffRelativeOffset stay positive and in bounds with
|
|
* Const.MaxVertexAttribRelativeOffset
|
|
*
|
|
* The value is valid past calling _mesa_update_vao_derived_arrays.
|
|
* Note that _mesa_update_vao_derived_arrays is called when binding
|
|
* the VAO to Array._DrawVAO.
|
|
*/
|
|
GLintptr _EffOffset;
|
|
};
|
|
|
|
|
|
/**
|
|
* A representation of "Vertex Array Objects" (VAOs) from OpenGL 3.1+ /
|
|
* the GL_ARB_vertex_array_object extension.
|
|
*/
|
|
struct gl_vertex_array_object
|
|
{
|
|
/** Name of the VAO as received from glGenVertexArray. */
|
|
GLuint Name;
|
|
|
|
GLint RefCount;
|
|
|
|
GLchar *Label; /**< GL_KHR_debug */
|
|
|
|
/**
|
|
* Has this array object been bound?
|
|
*/
|
|
GLboolean EverBound;
|
|
|
|
/**
|
|
* Whether the VAO is changed by the application so often that some of
|
|
* the derived fields are not updated at all to decrease overhead.
|
|
* Also, interleaved arrays are not detected, because it's too expensive
|
|
* to do that before every draw call.
|
|
*/
|
|
bool IsDynamic;
|
|
|
|
/**
|
|
* Marked to true if the object is shared between contexts and immutable.
|
|
* Then reference counting is done using atomics and thread safe.
|
|
* Is used for dlist VAOs.
|
|
*/
|
|
bool SharedAndImmutable;
|
|
|
|
/**
|
|
* Number of updates that were done by the application. This is used to
|
|
* decide whether the VAO is static or dynamic.
|
|
*/
|
|
unsigned NumUpdates;
|
|
|
|
/** Vertex attribute arrays */
|
|
struct gl_array_attributes VertexAttrib[VERT_ATTRIB_MAX];
|
|
|
|
/** Vertex buffer bindings */
|
|
struct gl_vertex_buffer_binding BufferBinding[VERT_ATTRIB_MAX];
|
|
|
|
/** Mask indicating which vertex arrays have vertex buffer associated. */
|
|
GLbitfield VertexAttribBufferMask;
|
|
|
|
/** Mask indicating which vertex arrays have a non-zero instance divisor. */
|
|
GLbitfield NonZeroDivisorMask;
|
|
|
|
/** Mask of VERT_BIT_* values indicating which arrays are enabled */
|
|
GLbitfield Enabled;
|
|
|
|
/**
|
|
* Mask indicating which VertexAttrib and BufferBinding structures have
|
|
* been changed since the VAO creation. No bit is ever cleared to 0 by
|
|
* state updates. Setting to the default state doesn't update this.
|
|
* (e.g. unbinding) Setting the derived state (_* fields) doesn't update
|
|
* this either.
|
|
*/
|
|
GLbitfield NonDefaultStateMask;
|
|
|
|
/**
|
|
* Mask of VERT_BIT_* enabled arrays past position/generic0 mapping
|
|
*
|
|
* The value is valid past calling _mesa_update_vao_derived_arrays.
|
|
* Note that _mesa_update_vao_derived_arrays is called when binding
|
|
* the VAO to Array._DrawVAO.
|
|
*/
|
|
GLbitfield _EffEnabledVBO;
|
|
|
|
/** Same as _EffEnabledVBO, but for instance divisors. */
|
|
GLbitfield _EffEnabledNonZeroDivisor;
|
|
|
|
/** Denotes the way the position/generic0 attribute is mapped */
|
|
gl_attribute_map_mode _AttributeMapMode;
|
|
|
|
/** "Enabled" with the position/generic0 attribute aliasing resolved */
|
|
GLbitfield _EnabledWithMapMode;
|
|
|
|
/** Mask of VERT_BIT_* values indicating changed/dirty arrays */
|
|
GLbitfield NewArrays;
|
|
|
|
/** The index buffer (also known as the element array buffer in OpenGL). */
|
|
struct gl_buffer_object *IndexBufferObj;
|
|
};
|
|
|
|
|
|
/**
|
|
* Vertex array state
|
|
*/
|
|
struct gl_array_attrib
|
|
{
|
|
/** Currently bound array object. */
|
|
struct gl_vertex_array_object *VAO;
|
|
|
|
/** The default vertex array object */
|
|
struct gl_vertex_array_object *DefaultVAO;
|
|
|
|
/** The last VAO accessed by a DSA function */
|
|
struct gl_vertex_array_object *LastLookedUpVAO;
|
|
|
|
/** These contents are copied to newly created VAOs. */
|
|
struct gl_vertex_array_object DefaultVAOState;
|
|
|
|
/** Array objects (GL_ARB_vertex_array_object) */
|
|
struct _mesa_HashTable *Objects;
|
|
|
|
GLint ActiveTexture; /**< Client Active Texture */
|
|
GLuint LockFirst; /**< GL_EXT_compiled_vertex_array */
|
|
GLuint LockCount; /**< GL_EXT_compiled_vertex_array */
|
|
|
|
/**
|
|
* \name Primitive restart controls
|
|
*
|
|
* Primitive restart is enabled if either \c PrimitiveRestart or
|
|
* \c PrimitiveRestartFixedIndex is set.
|
|
*/
|
|
/*@{*/
|
|
GLboolean PrimitiveRestart;
|
|
GLboolean PrimitiveRestartFixedIndex;
|
|
GLboolean _PrimitiveRestart[3]; /**< Enable indexed by index_size_shift. */
|
|
GLuint RestartIndex;
|
|
GLuint _RestartIndex[3]; /**< Restart indices indexed by index_size_shift. */
|
|
/*@}*/
|
|
|
|
/* GL_ARB_vertex_buffer_object */
|
|
struct gl_buffer_object *ArrayBufferObj;
|
|
|
|
/**
|
|
* Vertex array object that is used with the currently active draw command.
|
|
* The _DrawVAO is either set to the currently bound VAO for array type
|
|
* draws or to internal VAO's set up by the vbo module to execute immediate
|
|
* mode or display list draws.
|
|
*/
|
|
struct gl_vertex_array_object *_DrawVAO;
|
|
/**
|
|
* The VERT_BIT_* bits effectively enabled from the current _DrawVAO.
|
|
* This is always a subset of _mesa_get_vao_vp_inputs(_DrawVAO)
|
|
* but may omit those arrays that shall not be referenced by the current
|
|
* gl_vertex_program_state::_VPMode. For example the generic attributes are
|
|
* maked out form the _DrawVAO's enabled arrays when a fixed function
|
|
* array draw is executed.
|
|
*/
|
|
GLbitfield _DrawVAOEnabledAttribs;
|
|
/**
|
|
* Initially or if the VAO referenced by _DrawVAO is deleted the _DrawVAO
|
|
* pointer is set to the _EmptyVAO which is just an empty VAO all the time.
|
|
*/
|
|
struct gl_vertex_array_object *_EmptyVAO;
|
|
|
|
/** Legal array datatypes and the API for which they have been computed */
|
|
GLbitfield LegalTypesMask;
|
|
gl_api LegalTypesMaskAPI;
|
|
};
|
|
|
|
|
|
/**
|
|
* Feedback buffer state
|
|
*/
|
|
struct gl_feedback
|
|
{
|
|
GLenum16 Type;
|
|
GLbitfield _Mask; /**< FB_* bits */
|
|
GLfloat *Buffer;
|
|
GLuint BufferSize;
|
|
GLuint Count;
|
|
};
|
|
|
|
|
|
/**
|
|
* Selection buffer state
|
|
*/
|
|
struct gl_selection
|
|
{
|
|
GLuint *Buffer; /**< selection buffer */
|
|
GLuint BufferSize; /**< size of the selection buffer */
|
|
GLuint BufferCount; /**< number of values in the selection buffer */
|
|
GLuint Hits; /**< number of records in the selection buffer */
|
|
GLuint NameStackDepth; /**< name stack depth */
|
|
GLuint NameStack[MAX_NAME_STACK_DEPTH]; /**< name stack */
|
|
GLboolean HitFlag; /**< hit flag */
|
|
GLfloat HitMinZ; /**< minimum hit depth */
|
|
GLfloat HitMaxZ; /**< maximum hit depth */
|
|
};
|
|
|
|
|
|
/**
|
|
* 1-D Evaluator control points
|
|
*/
|
|
struct gl_1d_map
|
|
{
|
|
GLuint Order; /**< Number of control points */
|
|
GLfloat u1, u2, du; /**< u1, u2, 1.0/(u2-u1) */
|
|
GLfloat *Points; /**< Points to contiguous control points */
|
|
};
|
|
|
|
|
|
/**
|
|
* 2-D Evaluator control points
|
|
*/
|
|
struct gl_2d_map
|
|
{
|
|
GLuint Uorder; /**< Number of control points in U dimension */
|
|
GLuint Vorder; /**< Number of control points in V dimension */
|
|
GLfloat u1, u2, du;
|
|
GLfloat v1, v2, dv;
|
|
GLfloat *Points; /**< Points to contiguous control points */
|
|
};
|
|
|
|
|
|
/**
|
|
* All evaluator control point state
|
|
*/
|
|
struct gl_evaluators
|
|
{
|
|
/**
|
|
* \name 1-D maps
|
|
*/
|
|
/*@{*/
|
|
struct gl_1d_map Map1Vertex3;
|
|
struct gl_1d_map Map1Vertex4;
|
|
struct gl_1d_map Map1Index;
|
|
struct gl_1d_map Map1Color4;
|
|
struct gl_1d_map Map1Normal;
|
|
struct gl_1d_map Map1Texture1;
|
|
struct gl_1d_map Map1Texture2;
|
|
struct gl_1d_map Map1Texture3;
|
|
struct gl_1d_map Map1Texture4;
|
|
/*@}*/
|
|
|
|
/**
|
|
* \name 2-D maps
|
|
*/
|
|
/*@{*/
|
|
struct gl_2d_map Map2Vertex3;
|
|
struct gl_2d_map Map2Vertex4;
|
|
struct gl_2d_map Map2Index;
|
|
struct gl_2d_map Map2Color4;
|
|
struct gl_2d_map Map2Normal;
|
|
struct gl_2d_map Map2Texture1;
|
|
struct gl_2d_map Map2Texture2;
|
|
struct gl_2d_map Map2Texture3;
|
|
struct gl_2d_map Map2Texture4;
|
|
/*@}*/
|
|
};
|
|
|
|
|
|
struct gl_transform_feedback_varying_info
|
|
{
|
|
char *Name;
|
|
GLenum16 Type;
|
|
GLint BufferIndex;
|
|
GLint Size;
|
|
GLint Offset;
|
|
};
|
|
|
|
|
|
/**
|
|
* Per-output info vertex shaders for transform feedback.
|
|
*/
|
|
struct gl_transform_feedback_output
|
|
{
|
|
uint32_t OutputRegister;
|
|
uint32_t OutputBuffer;
|
|
uint32_t NumComponents;
|
|
uint32_t StreamId;
|
|
|
|
/** offset (in DWORDs) of this output within the interleaved structure */
|
|
uint32_t DstOffset;
|
|
|
|
/**
|
|
* Offset into the output register of the data to output. For example,
|
|
* if NumComponents is 2 and ComponentOffset is 1, then the data to
|
|
* offset is in the y and z components of the output register.
|
|
*/
|
|
uint32_t ComponentOffset;
|
|
};
|
|
|
|
|
|
struct gl_transform_feedback_buffer
|
|
{
|
|
uint32_t Binding;
|
|
|
|
uint32_t NumVaryings;
|
|
|
|
/**
|
|
* Total number of components stored in each buffer. This may be used by
|
|
* hardware back-ends to determine the correct stride when interleaving
|
|
* multiple transform feedback outputs in the same buffer.
|
|
*/
|
|
uint32_t Stride;
|
|
|
|
/**
|
|
* Which transform feedback stream this buffer binding is associated with.
|
|
*/
|
|
uint32_t Stream;
|
|
};
|
|
|
|
|
|
/** Post-link transform feedback info. */
|
|
struct gl_transform_feedback_info
|
|
{
|
|
unsigned NumOutputs;
|
|
|
|
/* Bitmask of active buffer indices. */
|
|
unsigned ActiveBuffers;
|
|
|
|
struct gl_transform_feedback_output *Outputs;
|
|
|
|
/** Transform feedback varyings used for the linking of this shader program.
|
|
*
|
|
* Use for glGetTransformFeedbackVarying().
|
|
*/
|
|
struct gl_transform_feedback_varying_info *Varyings;
|
|
GLint NumVarying;
|
|
|
|
struct gl_transform_feedback_buffer Buffers[MAX_FEEDBACK_BUFFERS];
|
|
};
|
|
|
|
|
|
/**
|
|
* Transform feedback object state
|
|
*/
|
|
struct gl_transform_feedback_object
|
|
{
|
|
GLuint Name; /**< AKA the object ID */
|
|
GLint RefCount;
|
|
GLchar *Label; /**< GL_KHR_debug */
|
|
GLboolean Active; /**< Is transform feedback enabled? */
|
|
GLboolean Paused; /**< Is transform feedback paused? */
|
|
GLboolean EndedAnytime; /**< Has EndTransformFeedback been called
|
|
at least once? */
|
|
GLboolean EverBound; /**< Has this object been bound? */
|
|
|
|
/**
|
|
* GLES: if Active is true, remaining number of primitives which can be
|
|
* rendered without overflow. This is necessary to track because GLES
|
|
* requires us to generate INVALID_OPERATION if a call to glDrawArrays or
|
|
* glDrawArraysInstanced would overflow transform feedback buffers.
|
|
* Undefined if Active is false.
|
|
*
|
|
* Not tracked for desktop GL since it's unnecessary.
|
|
*/
|
|
unsigned GlesRemainingPrims;
|
|
|
|
/**
|
|
* The program active when BeginTransformFeedback() was called.
|
|
* When active and unpaused, this equals ctx->Shader.CurrentProgram[stage],
|
|
* where stage is the pipeline stage that is the source of data for
|
|
* transform feedback.
|
|
*/
|
|
struct gl_program *program;
|
|
|
|
/** The feedback buffers */
|
|
GLuint BufferNames[MAX_FEEDBACK_BUFFERS];
|
|
struct gl_buffer_object *Buffers[MAX_FEEDBACK_BUFFERS];
|
|
|
|
/** Start of feedback data in dest buffer */
|
|
GLintptr Offset[MAX_FEEDBACK_BUFFERS];
|
|
|
|
/**
|
|
* Max data to put into dest buffer (in bytes). Computed based on
|
|
* RequestedSize and the actual size of the buffer.
|
|
*/
|
|
GLsizeiptr Size[MAX_FEEDBACK_BUFFERS];
|
|
|
|
/**
|
|
* Size that was specified when the buffer was bound. If the buffer was
|
|
* bound with glBindBufferBase() or glBindBufferOffsetEXT(), this value is
|
|
* zero.
|
|
*/
|
|
GLsizeiptr RequestedSize[MAX_FEEDBACK_BUFFERS];
|
|
};
|
|
|
|
|
|
/**
|
|
* Context state for transform feedback.
|
|
*/
|
|
struct gl_transform_feedback_state
|
|
{
|
|
GLenum16 Mode; /**< GL_POINTS, GL_LINES or GL_TRIANGLES */
|
|
|
|
/** The general binding point (GL_TRANSFORM_FEEDBACK_BUFFER) */
|
|
struct gl_buffer_object *CurrentBuffer;
|
|
|
|
/** The table of all transform feedback objects */
|
|
struct _mesa_HashTable *Objects;
|
|
|
|
/** The current xform-fb object (GL_TRANSFORM_FEEDBACK_BINDING) */
|
|
struct gl_transform_feedback_object *CurrentObject;
|
|
|
|
/** The default xform-fb object (Name==0) */
|
|
struct gl_transform_feedback_object *DefaultObject;
|
|
};
|
|
|
|
|
|
/**
|
|
* A "performance monitor" as described in AMD_performance_monitor.
|
|
*/
|
|
struct gl_perf_monitor_object
|
|
{
|
|
GLuint Name;
|
|
|
|
/** True if the monitor is currently active (Begin called but not End). */
|
|
GLboolean Active;
|
|
|
|
/**
|
|
* True if the monitor has ended.
|
|
*
|
|
* This is distinct from !Active because it may never have began.
|
|
*/
|
|
GLboolean Ended;
|
|
|
|
/**
|
|
* A list of groups with currently active counters.
|
|
*
|
|
* ActiveGroups[g] == n if there are n counters active from group 'g'.
|
|
*/
|
|
unsigned *ActiveGroups;
|
|
|
|
/**
|
|
* An array of bitsets, subscripted by group ID, then indexed by counter ID.
|
|
*
|
|
* Checking whether counter 'c' in group 'g' is active can be done via:
|
|
*
|
|
* BITSET_TEST(ActiveCounters[g], c)
|
|
*/
|
|
GLuint **ActiveCounters;
|
|
};
|
|
|
|
|
|
union gl_perf_monitor_counter_value
|
|
{
|
|
float f;
|
|
uint64_t u64;
|
|
uint32_t u32;
|
|
};
|
|
|
|
|
|
struct gl_perf_monitor_counter
|
|
{
|
|
/** Human readable name for the counter. */
|
|
const char *Name;
|
|
|
|
/**
|
|
* Data type of the counter. Valid values are FLOAT, UNSIGNED_INT,
|
|
* UNSIGNED_INT64_AMD, and PERCENTAGE_AMD.
|
|
*/
|
|
GLenum16 Type;
|
|
|
|
/** Minimum counter value. */
|
|
union gl_perf_monitor_counter_value Minimum;
|
|
|
|
/** Maximum counter value. */
|
|
union gl_perf_monitor_counter_value Maximum;
|
|
};
|
|
|
|
|
|
struct gl_perf_monitor_group
|
|
{
|
|
/** Human readable name for the group. */
|
|
const char *Name;
|
|
|
|
/**
|
|
* Maximum number of counters in this group which can be active at the
|
|
* same time.
|
|
*/
|
|
GLuint MaxActiveCounters;
|
|
|
|
/** Array of counters within this group. */
|
|
const struct gl_perf_monitor_counter *Counters;
|
|
GLuint NumCounters;
|
|
};
|
|
|
|
|
|
/**
|
|
* A query object instance as described in INTEL_performance_query.
|
|
*
|
|
* NB: We want to keep this and the corresponding backend structure
|
|
* relatively lean considering that applications may expect to
|
|
* allocate enough objects to be able to query around all draw calls
|
|
* in a frame.
|
|
*/
|
|
struct gl_perf_query_object
|
|
{
|
|
GLuint Id; /**< hash table ID/name */
|
|
unsigned Used:1; /**< has been used for 1 or more queries */
|
|
unsigned Active:1; /**< inside Begin/EndPerfQuery */
|
|
unsigned Ready:1; /**< result is ready? */
|
|
};
|
|
|
|
|
|
/**
|
|
* Context state for AMD_performance_monitor.
|
|
*/
|
|
struct gl_perf_monitor_state
|
|
{
|
|
/** Array of performance monitor groups (indexed by group ID) */
|
|
const struct gl_perf_monitor_group *Groups;
|
|
GLuint NumGroups;
|
|
|
|
/** The table of all performance monitors. */
|
|
struct _mesa_HashTable *Monitors;
|
|
};
|
|
|
|
|
|
/**
|
|
* Context state for INTEL_performance_query.
|
|
*/
|
|
struct gl_perf_query_state
|
|
{
|
|
struct _mesa_HashTable *Objects; /**< The table of all performance query objects */
|
|
};
|
|
|
|
|
|
/**
|
|
* A bindless sampler object.
|
|
*/
|
|
struct gl_bindless_sampler
|
|
{
|
|
/** Texture unit (set by glUniform1()). */
|
|
GLubyte unit;
|
|
|
|
/** Whether this bindless sampler is bound to a unit. */
|
|
GLboolean bound;
|
|
|
|
/** Texture Target (TEXTURE_1D/2D/3D/etc_INDEX). */
|
|
gl_texture_index target;
|
|
|
|
/** Pointer to the base of the data. */
|
|
GLvoid *data;
|
|
};
|
|
|
|
|
|
/**
|
|
* A bindless image object.
|
|
*/
|
|
struct gl_bindless_image
|
|
{
|
|
/** Image unit (set by glUniform1()). */
|
|
GLubyte unit;
|
|
|
|
/** Whether this bindless image is bound to a unit. */
|
|
GLboolean bound;
|
|
|
|
/** Access qualifier (GL_READ_WRITE, GL_READ_ONLY, GL_WRITE_ONLY, or
|
|
* GL_NONE to indicate both read-only and write-only)
|
|
*/
|
|
GLenum16 access;
|
|
|
|
/** Pointer to the base of the data. */
|
|
GLvoid *data;
|
|
};
|
|
|
|
|
|
/**
|
|
* Base class for any kind of program object
|
|
*/
|
|
struct gl_program
|
|
{
|
|
/** FIXME: This must be first until we split shader_info from nir_shader */
|
|
struct shader_info info;
|
|
|
|
GLuint Id;
|
|
GLint RefCount;
|
|
GLubyte *String; /**< Null-terminated program text */
|
|
|
|
/** GL_VERTEX/FRAGMENT_PROGRAM_ARB, GL_GEOMETRY_PROGRAM_NV */
|
|
GLenum16 Target;
|
|
GLenum16 Format; /**< String encoding format */
|
|
|
|
GLboolean _Used; /**< Ever used for drawing? Used for debugging */
|
|
|
|
struct nir_shader *nir;
|
|
|
|
/* Saved and restored with metadata. Freed with ralloc. */
|
|
void *driver_cache_blob;
|
|
size_t driver_cache_blob_size;
|
|
|
|
/** Is this program written to on disk shader cache */
|
|
bool program_written_to_cache;
|
|
|
|
/** A bitfield indicating which vertex shader inputs consume two slots
|
|
*
|
|
* This is used for mapping from single-slot input locations in the GL API
|
|
* to dual-slot double input locations in the shader. This field is set
|
|
* once as part of linking and never updated again to ensure the mapping
|
|
* remains consistent.
|
|
*
|
|
* Note: There may be dual-slot variables in the original shader source
|
|
* which do not appear in this bitfield due to having been eliminated by
|
|
* the compiler prior to DualSlotInputs being calculated. There may also
|
|
* be bits set in this bitfield which are set but which the shader never
|
|
* reads due to compiler optimizations eliminating such variables after
|
|
* DualSlotInputs is calculated.
|
|
*/
|
|
GLbitfield64 DualSlotInputs;
|
|
/** Subset of OutputsWritten outputs written with non-zero index. */
|
|
GLbitfield64 SecondaryOutputsWritten;
|
|
/** TEXTURE_x_BIT bitmask */
|
|
GLbitfield16 TexturesUsed[MAX_COMBINED_TEXTURE_IMAGE_UNITS];
|
|
/** Bitfield of which samplers are used */
|
|
GLbitfield SamplersUsed;
|
|
/** Texture units used for shadow sampling. */
|
|
GLbitfield ShadowSamplers;
|
|
/** Texture units used for samplerExternalOES */
|
|
GLbitfield ExternalSamplersUsed;
|
|
|
|
/** Named parameters, constants, etc. from program text */
|
|
struct gl_program_parameter_list *Parameters;
|
|
|
|
/** Map from sampler unit to texture unit (set by glUniform1i()) */
|
|
GLubyte SamplerUnits[MAX_SAMPLERS];
|
|
|
|
/* FIXME: We should be able to make this struct a union. However some
|
|
* drivers (i915/fragment_programs, swrast/prog_execute) mix the use of
|
|
* these fields, we should fix this.
|
|
*/
|
|
struct {
|
|
/** Fields used by GLSL programs */
|
|
struct {
|
|
/** Data shared by gl_program and gl_shader_program */
|
|
struct gl_shader_program_data *data;
|
|
|
|
struct gl_active_atomic_buffer **AtomicBuffers;
|
|
|
|
/** Post-link transform feedback info. */
|
|
struct gl_transform_feedback_info *LinkedTransformFeedback;
|
|
|
|
/**
|
|
* Number of types for subroutine uniforms.
|
|
*/
|
|
GLuint NumSubroutineUniformTypes;
|
|
|
|
/**
|
|
* Subroutine uniform remap table
|
|
* based on the program level uniform remap table.
|
|
*/
|
|
GLuint NumSubroutineUniforms; /* non-sparse total */
|
|
GLuint NumSubroutineUniformRemapTable;
|
|
struct gl_uniform_storage **SubroutineUniformRemapTable;
|
|
|
|
/**
|
|
* Num of subroutine functions for this stage and storage for them.
|
|
*/
|
|
GLuint NumSubroutineFunctions;
|
|
GLuint MaxSubroutineFunctionIndex;
|
|
struct gl_subroutine_function *SubroutineFunctions;
|
|
|
|
/**
|
|
* Map from image uniform index to image unit (set by glUniform1i())
|
|
*
|
|
* An image uniform index is associated with each image uniform by
|
|
* the linker. The image index associated with each uniform is
|
|
* stored in the \c gl_uniform_storage::image field.
|
|
*/
|
|
GLubyte ImageUnits[MAX_IMAGE_UNIFORMS];
|
|
|
|
/**
|
|
* Access qualifier specified in the shader for each image uniform
|
|
* index. Either \c GL_READ_ONLY, \c GL_WRITE_ONLY, \c
|
|
* GL_READ_WRITE, or \c GL_NONE to indicate both read-only and
|
|
* write-only.
|
|
*
|
|
* It may be different, though only more strict than the value of
|
|
* \c gl_image_unit::Access for the corresponding image unit.
|
|
*/
|
|
GLenum16 ImageAccess[MAX_IMAGE_UNIFORMS];
|
|
|
|
GLuint NumUniformBlocks;
|
|
struct gl_uniform_block **UniformBlocks;
|
|
struct gl_uniform_block **ShaderStorageBlocks;
|
|
|
|
/**
|
|
* Bitmask of shader storage blocks not declared as read-only.
|
|
*/
|
|
unsigned ShaderStorageBlocksWriteAccess;
|
|
|
|
/** Which texture target is being sampled
|
|
* (TEXTURE_1D/2D/3D/etc_INDEX)
|
|
*/
|
|
GLubyte SamplerTargets[MAX_SAMPLERS];
|
|
|
|
/**
|
|
* Number of samplers declared with the bindless_sampler layout
|
|
* qualifier as specified by ARB_bindless_texture.
|
|
*/
|
|
GLuint NumBindlessSamplers;
|
|
GLboolean HasBoundBindlessSampler;
|
|
struct gl_bindless_sampler *BindlessSamplers;
|
|
|
|
/**
|
|
* Number of images declared with the bindless_image layout qualifier
|
|
* as specified by ARB_bindless_texture.
|
|
*/
|
|
GLuint NumBindlessImages;
|
|
GLboolean HasBoundBindlessImage;
|
|
struct gl_bindless_image *BindlessImages;
|
|
|
|
union {
|
|
struct {
|
|
/**
|
|
* A bitmask of gl_advanced_blend_mode values
|
|
*/
|
|
GLbitfield BlendSupport;
|
|
} fs;
|
|
};
|
|
} sh;
|
|
|
|
/** ARB assembly-style program fields */
|
|
struct {
|
|
struct prog_instruction *Instructions;
|
|
|
|
/**
|
|
* Local parameters used by the program.
|
|
*
|
|
* It's dynamically allocated because it is rarely used (just
|
|
* assembly-style programs), and MAX_PROGRAM_LOCAL_PARAMS entries
|
|
* once it's allocated.
|
|
*/
|
|
GLfloat (*LocalParams)[4];
|
|
unsigned MaxLocalParams;
|
|
|
|
/** Bitmask of which register files are read/written with indirect
|
|
* addressing. Mask of (1 << PROGRAM_x) bits.
|
|
*/
|
|
GLbitfield IndirectRegisterFiles;
|
|
|
|
/** Logical counts */
|
|
/*@{*/
|
|
GLuint NumInstructions;
|
|
GLuint NumTemporaries;
|
|
GLuint NumParameters;
|
|
GLuint NumAttributes;
|
|
GLuint NumAddressRegs;
|
|
GLuint NumAluInstructions;
|
|
GLuint NumTexInstructions;
|
|
GLuint NumTexIndirections;
|
|
/*@}*/
|
|
/** Native, actual h/w counts */
|
|
/*@{*/
|
|
GLuint NumNativeInstructions;
|
|
GLuint NumNativeTemporaries;
|
|
GLuint NumNativeParameters;
|
|
GLuint NumNativeAttributes;
|
|
GLuint NumNativeAddressRegs;
|
|
GLuint NumNativeAluInstructions;
|
|
GLuint NumNativeTexInstructions;
|
|
GLuint NumNativeTexIndirections;
|
|
/*@}*/
|
|
|
|
/** Used by ARB assembly-style programs. Can only be true for vertex
|
|
* programs.
|
|
*/
|
|
GLboolean IsPositionInvariant;
|
|
} arb;
|
|
};
|
|
};
|
|
|
|
|
|
/**
|
|
* State common to vertex and fragment programs.
|
|
*/
|
|
struct gl_program_state
|
|
{
|
|
GLint ErrorPos; /* GL_PROGRAM_ERROR_POSITION_ARB/NV */
|
|
const char *ErrorString; /* GL_PROGRAM_ERROR_STRING_ARB/NV */
|
|
};
|
|
|
|
|
|
/**
|
|
* Context state for vertex programs.
|
|
*/
|
|
struct gl_vertex_program_state
|
|
{
|
|
GLboolean Enabled; /**< User-set GL_VERTEX_PROGRAM_ARB/NV flag */
|
|
GLboolean PointSizeEnabled; /**< GL_VERTEX_PROGRAM_POINT_SIZE_ARB/NV */
|
|
GLboolean TwoSideEnabled; /**< GL_VERTEX_PROGRAM_TWO_SIDE_ARB/NV */
|
|
/** Should fixed-function T&L be implemented with a vertex prog? */
|
|
GLboolean _MaintainTnlProgram;
|
|
/** Whether the fixed-func program is being used right now. */
|
|
GLboolean _UsesTnlProgram;
|
|
|
|
struct gl_program *Current; /**< User-bound vertex program */
|
|
|
|
/** Currently enabled and valid vertex program (including internal
|
|
* programs, user-defined vertex programs and GLSL vertex shaders).
|
|
* This is the program we must use when rendering.
|
|
*/
|
|
struct gl_program *_Current;
|
|
|
|
GLfloat Parameters[MAX_PROGRAM_ENV_PARAMS][4]; /**< Env params */
|
|
|
|
/** Program to emulate fixed-function T&L (see above) */
|
|
struct gl_program *_TnlProgram;
|
|
|
|
/** Cache of fixed-function programs */
|
|
struct gl_program_cache *Cache;
|
|
|
|
GLboolean _Overriden;
|
|
|
|
bool _VPModeOptimizesConstantAttribs;
|
|
|
|
/**
|
|
* If we have a vertex program, a TNL program or no program at all.
|
|
* Note that this value should be kept up to date all the time,
|
|
* nevertheless its correctness is asserted in _mesa_update_state.
|
|
* The reason is to avoid calling _mesa_update_state twice we need
|
|
* this value on draw *before* actually calling _mesa_update_state.
|
|
* Also it should need to get recomputed only on changes to the
|
|
* vertex program which are heavyweight already.
|
|
*/
|
|
gl_vertex_processing_mode _VPMode;
|
|
|
|
GLbitfield _VaryingInputs; /**< mask of VERT_BIT_* flags */
|
|
GLbitfield _VPModeInputFilter;
|
|
};
|
|
|
|
/**
|
|
* Context state for tessellation control programs.
|
|
*/
|
|
struct gl_tess_ctrl_program_state
|
|
{
|
|
/** Currently bound and valid shader. */
|
|
struct gl_program *_Current;
|
|
|
|
GLint patch_vertices;
|
|
GLfloat patch_default_outer_level[4];
|
|
GLfloat patch_default_inner_level[2];
|
|
};
|
|
|
|
/**
|
|
* Context state for tessellation evaluation programs.
|
|
*/
|
|
struct gl_tess_eval_program_state
|
|
{
|
|
/** Currently bound and valid shader. */
|
|
struct gl_program *_Current;
|
|
};
|
|
|
|
/**
|
|
* Context state for geometry programs.
|
|
*/
|
|
struct gl_geometry_program_state
|
|
{
|
|
/**
|
|
* Currently enabled and valid program (including internal programs
|
|
* and compiled shader programs).
|
|
*/
|
|
struct gl_program *_Current;
|
|
};
|
|
|
|
/**
|
|
* Context state for fragment programs.
|
|
*/
|
|
struct gl_fragment_program_state
|
|
{
|
|
GLboolean Enabled; /**< User-set fragment program enable flag */
|
|
/** Should fixed-function texturing be implemented with a fragment prog? */
|
|
GLboolean _MaintainTexEnvProgram;
|
|
/** Whether the fixed-func program is being used right now. */
|
|
GLboolean _UsesTexEnvProgram;
|
|
|
|
struct gl_program *Current; /**< User-bound fragment program */
|
|
|
|
/**
|
|
* Currently enabled and valid fragment program (including internal
|
|
* programs, user-defined fragment programs and GLSL fragment shaders).
|
|
* This is the program we must use when rendering.
|
|
*/
|
|
struct gl_program *_Current;
|
|
|
|
GLfloat Parameters[MAX_PROGRAM_ENV_PARAMS][4]; /**< Env params */
|
|
|
|
/** Program to emulate fixed-function texture env/combine (see above) */
|
|
struct gl_program *_TexEnvProgram;
|
|
|
|
/** Cache of fixed-function programs */
|
|
struct gl_program_cache *Cache;
|
|
};
|
|
|
|
|
|
/**
|
|
* Context state for compute programs.
|
|
*/
|
|
struct gl_compute_program_state
|
|
{
|
|
/** Currently enabled and valid program (including internal programs
|
|
* and compiled shader programs).
|
|
*/
|
|
struct gl_program *_Current;
|
|
};
|
|
|
|
|
|
/**
|
|
* ATI_fragment_shader runtime state
|
|
*/
|
|
|
|
struct atifs_instruction;
|
|
struct atifs_setupinst;
|
|
|
|
/**
|
|
* ATI fragment shader
|
|
*/
|
|
struct ati_fragment_shader
|
|
{
|
|
GLuint Id;
|
|
GLint RefCount;
|
|
struct atifs_instruction *Instructions[2];
|
|
struct atifs_setupinst *SetupInst[2];
|
|
GLfloat Constants[8][4];
|
|
GLbitfield LocalConstDef; /**< Indicates which constants have been set */
|
|
GLubyte numArithInstr[2];
|
|
GLubyte regsAssigned[2];
|
|
GLubyte NumPasses; /**< 1 or 2 */
|
|
/**
|
|
* Current compile stage: 0 setup pass1, 1 arith pass1,
|
|
* 2 setup pass2, 3 arith pass2.
|
|
*/
|
|
GLubyte cur_pass;
|
|
GLubyte last_optype;
|
|
GLboolean interpinp1;
|
|
GLboolean isValid;
|
|
/**
|
|
* Array of 2 bit values for each tex unit to remember whether
|
|
* STR or STQ swizzle was used
|
|
*/
|
|
GLuint swizzlerq;
|
|
struct gl_program *Program;
|
|
};
|
|
|
|
/**
|
|
* Context state for GL_ATI_fragment_shader
|
|
*/
|
|
struct gl_ati_fragment_shader_state
|
|
{
|
|
GLboolean Enabled;
|
|
GLboolean Compiling;
|
|
GLfloat GlobalConstants[8][4];
|
|
struct ati_fragment_shader *Current;
|
|
};
|
|
|
|
/**
|
|
* Shader subroutine function definition
|
|
*/
|
|
struct gl_subroutine_function
|
|
{
|
|
char *name;
|
|
int index;
|
|
int num_compat_types;
|
|
const struct glsl_type **types;
|
|
};
|
|
|
|
/**
|
|
* Shader information needed by both gl_shader and gl_linked shader.
|
|
*/
|
|
struct gl_shader_info
|
|
{
|
|
/**
|
|
* Tessellation Control shader state from layout qualifiers.
|
|
*/
|
|
struct {
|
|
/**
|
|
* 0 - vertices not declared in shader, or
|
|
* 1 .. GL_MAX_PATCH_VERTICES
|
|
*/
|
|
GLint VerticesOut;
|
|
} TessCtrl;
|
|
|
|
/**
|
|
* Tessellation Evaluation shader state from layout qualifiers.
|
|
*/
|
|
struct {
|
|
/**
|
|
* GL_TRIANGLES, GL_QUADS, GL_ISOLINES or PRIM_UNKNOWN if it's not set
|
|
* in this shader.
|
|
*/
|
|
GLenum16 PrimitiveMode;
|
|
|
|
enum gl_tess_spacing Spacing;
|
|
|
|
/**
|
|
* GL_CW, GL_CCW, or 0 if it's not set in this shader.
|
|
*/
|
|
GLenum16 VertexOrder;
|
|
/**
|
|
* 1, 0, or -1 if it's not set in this shader.
|
|
*/
|
|
int PointMode;
|
|
} TessEval;
|
|
|
|
/**
|
|
* Geometry shader state from GLSL 1.50 layout qualifiers.
|
|
*/
|
|
struct {
|
|
GLint VerticesOut;
|
|
/**
|
|
* 0 - Invocations count not declared in shader, or
|
|
* 1 .. Const.MaxGeometryShaderInvocations
|
|
*/
|
|
GLint Invocations;
|
|
/**
|
|
* GL_POINTS, GL_LINES, GL_LINES_ADJACENCY, GL_TRIANGLES, or
|
|
* GL_TRIANGLES_ADJACENCY, or PRIM_UNKNOWN if it's not set in this
|
|
* shader.
|
|
*/
|
|
GLenum16 InputType;
|
|
/**
|
|
* GL_POINTS, GL_LINE_STRIP or GL_TRIANGLE_STRIP, or PRIM_UNKNOWN if
|
|
* it's not set in this shader.
|
|
*/
|
|
GLenum16 OutputType;
|
|
} Geom;
|
|
|
|
/**
|
|
* Compute shader state from ARB_compute_shader and
|
|
* ARB_compute_variable_group_size layout qualifiers.
|
|
*/
|
|
struct {
|
|
/**
|
|
* Size specified using local_size_{x,y,z}, or all 0's to indicate that
|
|
* it's not set in this shader.
|
|
*/
|
|
unsigned LocalSize[3];
|
|
|
|
/**
|
|
* Whether a variable work group size has been specified as defined by
|
|
* ARB_compute_variable_group_size.
|
|
*/
|
|
bool LocalSizeVariable;
|
|
|
|
/*
|
|
* Arrangement of invocations used to calculate derivatives in a compute
|
|
* shader. From NV_compute_shader_derivatives.
|
|
*/
|
|
enum gl_derivative_group DerivativeGroup;
|
|
} Comp;
|
|
};
|
|
|
|
/**
|
|
* A linked GLSL shader object.
|
|
*/
|
|
struct gl_linked_shader
|
|
{
|
|
gl_shader_stage Stage;
|
|
|
|
#ifdef DEBUG
|
|
unsigned SourceChecksum;
|
|
#endif
|
|
|
|
struct gl_program *Program; /**< Post-compile assembly code */
|
|
|
|
/**
|
|
* \name Sampler tracking
|
|
*
|
|
* \note Each of these fields is only set post-linking.
|
|
*/
|
|
/*@{*/
|
|
GLbitfield shadow_samplers; /**< Samplers used for shadow sampling. */
|
|
/*@}*/
|
|
|
|
/**
|
|
* Number of default uniform block components used by this shader.
|
|
*
|
|
* This field is only set post-linking.
|
|
*/
|
|
unsigned num_uniform_components;
|
|
|
|
/**
|
|
* Number of combined uniform components used by this shader.
|
|
*
|
|
* This field is only set post-linking. It is the sum of the uniform block
|
|
* sizes divided by sizeof(float), and num_uniform_compoennts.
|
|
*/
|
|
unsigned num_combined_uniform_components;
|
|
|
|
struct exec_list *ir;
|
|
struct exec_list *packed_varyings;
|
|
struct exec_list *fragdata_arrays;
|
|
struct glsl_symbol_table *symbols;
|
|
|
|
/**
|
|
* ARB_gl_spirv related data.
|
|
*
|
|
* This is actually a reference to the gl_shader::spirv_data, which
|
|
* stores information that is also needed during linking.
|
|
*/
|
|
struct gl_shader_spirv_data *spirv_data;
|
|
};
|
|
|
|
|
|
/**
|
|
* Compile status enum. COMPILE_SKIPPED is used to indicate the compile
|
|
* was skipped due to the shader matching one that's been seen before by
|
|
* the on-disk cache.
|
|
*/
|
|
enum gl_compile_status
|
|
{
|
|
COMPILE_FAILURE = 0,
|
|
COMPILE_SUCCESS,
|
|
COMPILE_SKIPPED
|
|
};
|
|
|
|
/**
|
|
* A GLSL shader object.
|
|
*/
|
|
struct gl_shader
|
|
{
|
|
/** GL_FRAGMENT_SHADER || GL_VERTEX_SHADER || GL_GEOMETRY_SHADER_ARB ||
|
|
* GL_TESS_CONTROL_SHADER || GL_TESS_EVALUATION_SHADER.
|
|
* Must be the first field.
|
|
*/
|
|
GLenum16 Type;
|
|
gl_shader_stage Stage;
|
|
GLuint Name; /**< AKA the handle */
|
|
GLint RefCount; /**< Reference count */
|
|
GLchar *Label; /**< GL_KHR_debug */
|
|
unsigned char sha1[20]; /**< SHA1 hash of pre-processed source */
|
|
GLboolean DeletePending;
|
|
bool IsES; /**< True if this shader uses GLSL ES */
|
|
|
|
enum gl_compile_status CompileStatus;
|
|
|
|
#ifdef DEBUG
|
|
unsigned SourceChecksum; /**< for debug/logging purposes */
|
|
#endif
|
|
const GLchar *Source; /**< Source code string */
|
|
|
|
const GLchar *FallbackSource; /**< Fallback string used by on-disk cache*/
|
|
|
|
GLchar *InfoLog;
|
|
|
|
unsigned Version; /**< GLSL version used for linking */
|
|
|
|
/**
|
|
* A bitmask of gl_advanced_blend_mode values
|
|
*/
|
|
GLbitfield BlendSupport;
|
|
|
|
struct exec_list *ir;
|
|
struct glsl_symbol_table *symbols;
|
|
|
|
/**
|
|
* Whether early fragment tests are enabled as defined by
|
|
* ARB_shader_image_load_store.
|
|
*/
|
|
bool EarlyFragmentTests;
|
|
|
|
bool ARB_fragment_coord_conventions_enable;
|
|
|
|
bool redeclares_gl_fragcoord;
|
|
bool uses_gl_fragcoord;
|
|
|
|
bool PostDepthCoverage;
|
|
bool PixelInterlockOrdered;
|
|
bool PixelInterlockUnordered;
|
|
bool SampleInterlockOrdered;
|
|
bool SampleInterlockUnordered;
|
|
bool InnerCoverage;
|
|
|
|
/**
|
|
* Fragment shader state from GLSL 1.50 layout qualifiers.
|
|
*/
|
|
bool origin_upper_left;
|
|
bool pixel_center_integer;
|
|
|
|
/**
|
|
* Whether bindless_sampler/bindless_image, and respectively
|
|
* bound_sampler/bound_image are declared at global scope as defined by
|
|
* ARB_bindless_texture.
|
|
*/
|
|
bool bindless_sampler;
|
|
bool bindless_image;
|
|
bool bound_sampler;
|
|
bool bound_image;
|
|
|
|
/**
|
|
* Whether layer output is viewport-relative.
|
|
*/
|
|
bool redeclares_gl_layer;
|
|
bool layer_viewport_relative;
|
|
|
|
/** Global xfb_stride out qualifier if any */
|
|
GLuint TransformFeedbackBufferStride[MAX_FEEDBACK_BUFFERS];
|
|
|
|
struct gl_shader_info info;
|
|
|
|
/* ARB_gl_spirv related data */
|
|
struct gl_shader_spirv_data *spirv_data;
|
|
};
|
|
|
|
|
|
struct gl_uniform_buffer_variable
|
|
{
|
|
char *Name;
|
|
|
|
/**
|
|
* Name of the uniform as seen by glGetUniformIndices.
|
|
*
|
|
* glGetUniformIndices requires that the block instance index \b not be
|
|
* present in the name of queried uniforms.
|
|
*
|
|
* \note
|
|
* \c gl_uniform_buffer_variable::IndexName and
|
|
* \c gl_uniform_buffer_variable::Name may point to identical storage.
|
|
*/
|
|
char *IndexName;
|
|
|
|
const struct glsl_type *Type;
|
|
unsigned int Offset;
|
|
GLboolean RowMajor;
|
|
};
|
|
|
|
|
|
struct gl_uniform_block
|
|
{
|
|
/** Declared name of the uniform block */
|
|
char *Name;
|
|
|
|
/** Array of supplemental information about UBO ir_variables. */
|
|
struct gl_uniform_buffer_variable *Uniforms;
|
|
GLuint NumUniforms;
|
|
|
|
/**
|
|
* Index (GL_UNIFORM_BLOCK_BINDING) into ctx->UniformBufferBindings[] to use
|
|
* with glBindBufferBase to bind a buffer object to this uniform block.
|
|
*/
|
|
GLuint Binding;
|
|
|
|
/**
|
|
* Minimum size (in bytes) of a buffer object to back this uniform buffer
|
|
* (GL_UNIFORM_BLOCK_DATA_SIZE).
|
|
*/
|
|
GLuint UniformBufferSize;
|
|
|
|
/** Stages that reference this block */
|
|
uint8_t stageref;
|
|
|
|
/**
|
|
* Linearized array index for uniform block instance arrays
|
|
*
|
|
* Given a uniform block instance array declared with size
|
|
* blk[s_0][s_1]..[s_m], the block referenced by blk[i_0][i_1]..[i_m] will
|
|
* have the linearized array index
|
|
*
|
|
* m-1 m
|
|
* i_m + ∑ i_j * ∏ s_k
|
|
* j=0 k=j+1
|
|
*
|
|
* For a uniform block instance that is not an array, this is always 0.
|
|
*/
|
|
uint8_t linearized_array_index;
|
|
|
|
/**
|
|
* Layout specified in the shader
|
|
*
|
|
* This isn't accessible through the API, but it is used while
|
|
* cross-validating uniform blocks.
|
|
*/
|
|
enum glsl_interface_packing _Packing;
|
|
GLboolean _RowMajor;
|
|
};
|
|
|
|
/**
|
|
* Structure that represents a reference to an atomic buffer from some
|
|
* shader program.
|
|
*/
|
|
struct gl_active_atomic_buffer
|
|
{
|
|
/** Uniform indices of the atomic counters declared within it. */
|
|
GLuint *Uniforms;
|
|
GLuint NumUniforms;
|
|
|
|
/** Binding point index associated with it. */
|
|
GLuint Binding;
|
|
|
|
/** Minimum reasonable size it is expected to have. */
|
|
GLuint MinimumSize;
|
|
|
|
/** Shader stages making use of it. */
|
|
GLboolean StageReferences[MESA_SHADER_STAGES];
|
|
};
|
|
|
|
/**
|
|
* Data container for shader queries. This holds only the minimal
|
|
* amount of required information for resource queries to work.
|
|
*/
|
|
struct gl_shader_variable
|
|
{
|
|
/**
|
|
* Declared type of the variable
|
|
*/
|
|
const struct glsl_type *type;
|
|
|
|
/**
|
|
* If the variable is in an interface block, this is the type of the block.
|
|
*/
|
|
const struct glsl_type *interface_type;
|
|
|
|
/**
|
|
* For variables inside structs (possibly recursively), this is the
|
|
* outermost struct type.
|
|
*/
|
|
const struct glsl_type *outermost_struct_type;
|
|
|
|
/**
|
|
* Declared name of the variable
|
|
*/
|
|
char *name;
|
|
|
|
/**
|
|
* Storage location of the base of this variable
|
|
*
|
|
* The precise meaning of this field depends on the nature of the variable.
|
|
*
|
|
* - Vertex shader input: one of the values from \c gl_vert_attrib.
|
|
* - Vertex shader output: one of the values from \c gl_varying_slot.
|
|
* - Geometry shader input: one of the values from \c gl_varying_slot.
|
|
* - Geometry shader output: one of the values from \c gl_varying_slot.
|
|
* - Fragment shader input: one of the values from \c gl_varying_slot.
|
|
* - Fragment shader output: one of the values from \c gl_frag_result.
|
|
* - Uniforms: Per-stage uniform slot number for default uniform block.
|
|
* - Uniforms: Index within the uniform block definition for UBO members.
|
|
* - Non-UBO Uniforms: explicit location until linking then reused to
|
|
* store uniform slot number.
|
|
* - Other: This field is not currently used.
|
|
*
|
|
* If the variable is a uniform, shader input, or shader output, and the
|
|
* slot has not been assigned, the value will be -1.
|
|
*/
|
|
int location;
|
|
|
|
/**
|
|
* Specifies the first component the variable is stored in as per
|
|
* ARB_enhanced_layouts.
|
|
*/
|
|
unsigned component:2;
|
|
|
|
/**
|
|
* Output index for dual source blending.
|
|
*
|
|
* \note
|
|
* The GLSL spec only allows the values 0 or 1 for the index in \b dual
|
|
* source blending.
|
|
*/
|
|
unsigned index:1;
|
|
|
|
/**
|
|
* Specifies whether a shader input/output is per-patch in tessellation
|
|
* shader stages.
|
|
*/
|
|
unsigned patch:1;
|
|
|
|
/**
|
|
* Storage class of the variable.
|
|
*
|
|
* \sa (n)ir_variable_mode
|
|
*/
|
|
unsigned mode:4;
|
|
|
|
/**
|
|
* Interpolation mode for shader inputs / outputs
|
|
*
|
|
* \sa glsl_interp_mode
|
|
*/
|
|
unsigned interpolation:2;
|
|
|
|
/**
|
|
* Was the location explicitly set in the shader?
|
|
*
|
|
* If the location is explicitly set in the shader, it \b cannot be changed
|
|
* by the linker or by the API (e.g., calls to \c glBindAttribLocation have
|
|
* no effect).
|
|
*/
|
|
unsigned explicit_location:1;
|
|
|
|
/**
|
|
* Precision qualifier.
|
|
*/
|
|
unsigned precision:2;
|
|
};
|
|
|
|
/**
|
|
* Active resource in a gl_shader_program
|
|
*/
|
|
struct gl_program_resource
|
|
{
|
|
GLenum16 Type; /** Program interface type. */
|
|
const void *Data; /** Pointer to resource associated data structure. */
|
|
uint8_t StageReferences; /** Bitmask of shader stage references. */
|
|
};
|
|
|
|
/**
|
|
* Link status enum. LINKING_SKIPPED is used to indicate linking
|
|
* was skipped due to the shader being loaded from the on-disk cache.
|
|
*/
|
|
enum gl_link_status
|
|
{
|
|
LINKING_FAILURE = 0,
|
|
LINKING_SUCCESS,
|
|
LINKING_SKIPPED
|
|
};
|
|
|
|
/**
|
|
* A data structure to be shared by gl_shader_program and gl_program.
|
|
*/
|
|
struct gl_shader_program_data
|
|
{
|
|
GLint RefCount; /**< Reference count */
|
|
|
|
/** SHA1 hash of linked shader program */
|
|
unsigned char sha1[20];
|
|
|
|
unsigned NumUniformStorage;
|
|
unsigned NumHiddenUniforms;
|
|
struct gl_uniform_storage *UniformStorage;
|
|
|
|
unsigned NumUniformBlocks;
|
|
unsigned NumShaderStorageBlocks;
|
|
|
|
struct gl_uniform_block *UniformBlocks;
|
|
struct gl_uniform_block *ShaderStorageBlocks;
|
|
|
|
struct gl_active_atomic_buffer *AtomicBuffers;
|
|
unsigned NumAtomicBuffers;
|
|
|
|
/* Shader cache variables used during restore */
|
|
unsigned NumUniformDataSlots;
|
|
union gl_constant_value *UniformDataSlots;
|
|
|
|
/* Used to hold initial uniform values for program binary restores.
|
|
*
|
|
* From the ARB_get_program_binary spec:
|
|
*
|
|
* "A successful call to ProgramBinary will reset all uniform
|
|
* variables to their initial values. The initial value is either
|
|
* the value of the variable's initializer as specified in the
|
|
* original shader source, or 0 if no initializer was present.
|
|
*/
|
|
union gl_constant_value *UniformDataDefaults;
|
|
|
|
/** Hash for quick search by name. */
|
|
struct hash_table_u64 *ProgramResourceHash;
|
|
|
|
GLboolean Validated;
|
|
|
|
/** List of all active resources after linking. */
|
|
struct gl_program_resource *ProgramResourceList;
|
|
unsigned NumProgramResourceList;
|
|
|
|
enum gl_link_status LinkStatus; /**< GL_LINK_STATUS */
|
|
GLchar *InfoLog;
|
|
|
|
unsigned Version; /**< GLSL version used for linking */
|
|
|
|
/* Mask of stages this program was linked against */
|
|
unsigned linked_stages;
|
|
|
|
/* Whether the shaders of this program are loaded from SPIR-V binaries
|
|
* (all have the SPIR_V_BINARY_ARB state). This was introduced by the
|
|
* ARB_gl_spirv extension.
|
|
*/
|
|
bool spirv;
|
|
};
|
|
|
|
/**
|
|
* A GLSL program object.
|
|
* Basically a linked collection of vertex and fragment shaders.
|
|
*/
|
|
struct gl_shader_program
|
|
{
|
|
GLenum16 Type; /**< Always GL_SHADER_PROGRAM (internal token) */
|
|
GLuint Name; /**< aka handle or ID */
|
|
GLchar *Label; /**< GL_KHR_debug */
|
|
GLint RefCount; /**< Reference count */
|
|
GLboolean DeletePending;
|
|
|
|
/**
|
|
* Is the application intending to glGetProgramBinary this program?
|
|
*
|
|
* BinaryRetrievableHint is the currently active hint that gets set
|
|
* during initialization and after linking and BinaryRetrievableHintPending
|
|
* is the hint set by the user to be active when program is linked next time.
|
|
*/
|
|
GLboolean BinaryRetrievableHint;
|
|
GLboolean BinaryRetrievableHintPending;
|
|
|
|
/**
|
|
* Indicates whether program can be bound for individual pipeline stages
|
|
* using UseProgramStages after it is next linked.
|
|
*/
|
|
GLboolean SeparateShader;
|
|
|
|
GLuint NumShaders; /**< number of attached shaders */
|
|
struct gl_shader **Shaders; /**< List of attached the shaders */
|
|
|
|
/**
|
|
* User-defined attribute bindings
|
|
*
|
|
* These are set via \c glBindAttribLocation and are used to direct the
|
|
* GLSL linker. These are \b not the values used in the compiled shader,
|
|
* and they are \b not the values returned by \c glGetAttribLocation.
|
|
*/
|
|
struct string_to_uint_map *AttributeBindings;
|
|
|
|
/**
|
|
* User-defined fragment data bindings
|
|
*
|
|
* These are set via \c glBindFragDataLocation and are used to direct the
|
|
* GLSL linker. These are \b not the values used in the compiled shader,
|
|
* and they are \b not the values returned by \c glGetFragDataLocation.
|
|
*/
|
|
struct string_to_uint_map *FragDataBindings;
|
|
struct string_to_uint_map *FragDataIndexBindings;
|
|
|
|
/**
|
|
* Transform feedback varyings last specified by
|
|
* glTransformFeedbackVaryings().
|
|
*
|
|
* For the current set of transform feedback varyings used for transform
|
|
* feedback output, see LinkedTransformFeedback.
|
|
*/
|
|
struct {
|
|
GLenum16 BufferMode;
|
|
/** Global xfb_stride out qualifier if any */
|
|
GLuint BufferStride[MAX_FEEDBACK_BUFFERS];
|
|
GLuint NumVarying;
|
|
GLchar **VaryingNames; /**< Array [NumVarying] of char * */
|
|
} TransformFeedback;
|
|
|
|
struct gl_program *last_vert_prog;
|
|
|
|
/** Post-link gl_FragDepth layout for ARB_conservative_depth. */
|
|
enum gl_frag_depth_layout FragDepthLayout;
|
|
|
|
/**
|
|
* Geometry shader state - copied into gl_program by
|
|
* _mesa_copy_linked_program_data().
|
|
*/
|
|
struct {
|
|
GLint VerticesIn;
|
|
|
|
bool UsesEndPrimitive;
|
|
unsigned ActiveStreamMask;
|
|
} Geom;
|
|
|
|
/**
|
|
* Compute shader state - copied into gl_program by
|
|
* _mesa_copy_linked_program_data().
|
|
*/
|
|
struct {
|
|
/**
|
|
* Size of shared variables accessed by the compute shader.
|
|
*/
|
|
unsigned SharedSize;
|
|
} Comp;
|
|
|
|
/** Data shared by gl_program and gl_shader_program */
|
|
struct gl_shader_program_data *data;
|
|
|
|
/**
|
|
* Mapping from GL uniform locations returned by \c glUniformLocation to
|
|
* UniformStorage entries. Arrays will have multiple contiguous slots
|
|
* in the UniformRemapTable, all pointing to the same UniformStorage entry.
|
|
*/
|
|
unsigned NumUniformRemapTable;
|
|
struct gl_uniform_storage **UniformRemapTable;
|
|
|
|
/**
|
|
* Sometimes there are empty slots left over in UniformRemapTable after we
|
|
* allocate slots to explicit locations. This list stores the blocks of
|
|
* continuous empty slots inside UniformRemapTable.
|
|
*/
|
|
struct exec_list EmptyUniformLocations;
|
|
|
|
/**
|
|
* Total number of explicit uniform location including inactive uniforms.
|
|
*/
|
|
unsigned NumExplicitUniformLocations;
|
|
|
|
/**
|
|
* Map of active uniform names to locations
|
|
*
|
|
* Maps any active uniform that is not an array element to a location.
|
|
* Each active uniform, including individual structure members will appear
|
|
* in this map. This roughly corresponds to the set of names that would be
|
|
* enumerated by \c glGetActiveUniform.
|
|
*/
|
|
struct string_to_uint_map *UniformHash;
|
|
|
|
GLboolean SamplersValidated; /**< Samplers validated against texture units? */
|
|
|
|
bool IsES; /**< True if this program uses GLSL ES */
|
|
|
|
/**
|
|
* Per-stage shaders resulting from the first stage of linking.
|
|
*
|
|
* Set of linked shaders for this program. The array is accessed using the
|
|
* \c MESA_SHADER_* defines. Entries for non-existent stages will be
|
|
* \c NULL.
|
|
*/
|
|
struct gl_linked_shader *_LinkedShaders[MESA_SHADER_STAGES];
|
|
|
|
/**
|
|
* True if any of the fragment shaders attached to this program use:
|
|
* #extension ARB_fragment_coord_conventions: enable
|
|
*/
|
|
GLboolean ARB_fragment_coord_conventions_enable;
|
|
};
|
|
|
|
|
|
#define GLSL_DUMP 0x1 /**< Dump shaders to stdout */
|
|
#define GLSL_LOG 0x2 /**< Write shaders to files */
|
|
#define GLSL_UNIFORMS 0x4 /**< Print glUniform calls */
|
|
#define GLSL_NOP_VERT 0x8 /**< Force no-op vertex shaders */
|
|
#define GLSL_NOP_FRAG 0x10 /**< Force no-op fragment shaders */
|
|
#define GLSL_USE_PROG 0x20 /**< Log glUseProgram calls */
|
|
#define GLSL_REPORT_ERRORS 0x40 /**< Print compilation errors */
|
|
#define GLSL_DUMP_ON_ERROR 0x80 /**< Dump shaders to stderr on compile error */
|
|
#define GLSL_CACHE_INFO 0x100 /**< Print debug information about shader cache */
|
|
#define GLSL_CACHE_FALLBACK 0x200 /**< Force shader cache fallback paths */
|
|
|
|
|
|
/**
|
|
* Context state for GLSL vertex/fragment shaders.
|
|
* Extended to support pipeline object
|
|
*/
|
|
struct gl_pipeline_object
|
|
{
|
|
/** Name of the pipeline object as received from glGenProgramPipelines.
|
|
* It would be 0 for shaders without separate shader objects.
|
|
*/
|
|
GLuint Name;
|
|
|
|
GLint RefCount;
|
|
|
|
GLchar *Label; /**< GL_KHR_debug */
|
|
|
|
/**
|
|
* Programs used for rendering
|
|
*
|
|
* There is a separate program set for each shader stage.
|
|
*/
|
|
struct gl_program *CurrentProgram[MESA_SHADER_STAGES];
|
|
|
|
struct gl_shader_program *ReferencedPrograms[MESA_SHADER_STAGES];
|
|
|
|
/**
|
|
* Program used by glUniform calls.
|
|
*
|
|
* Explicitly set by \c glUseProgram and \c glActiveProgramEXT.
|
|
*/
|
|
struct gl_shader_program *ActiveProgram;
|
|
|
|
GLbitfield Flags; /**< Mask of GLSL_x flags */
|
|
GLboolean EverBound; /**< Has the pipeline object been created */
|
|
GLboolean Validated; /**< Pipeline Validation status */
|
|
GLboolean UserValidated; /**< Validation status initiated by the user */
|
|
|
|
GLchar *InfoLog;
|
|
};
|
|
|
|
/**
|
|
* Context state for GLSL pipeline shaders.
|
|
*/
|
|
struct gl_pipeline_shader_state
|
|
{
|
|
/** Currently bound pipeline object. See _mesa_BindProgramPipeline() */
|
|
struct gl_pipeline_object *Current;
|
|
|
|
/** Default Object to ensure that _Shader is never NULL */
|
|
struct gl_pipeline_object *Default;
|
|
|
|
/** Pipeline objects */
|
|
struct _mesa_HashTable *Objects;
|
|
};
|
|
|
|
/**
|
|
* Compiler options for a single GLSL shaders type
|
|
*/
|
|
struct gl_shader_compiler_options
|
|
{
|
|
/** Driver-selectable options: */
|
|
GLboolean EmitNoLoops;
|
|
GLboolean EmitNoCont; /**< Emit CONT opcode? */
|
|
GLboolean EmitNoMainReturn; /**< Emit CONT/RET opcodes? */
|
|
GLboolean EmitNoPow; /**< Emit POW opcodes? */
|
|
GLboolean EmitNoSat; /**< Emit SAT opcodes? */
|
|
GLboolean LowerCombinedClipCullDistance; /** Lower gl_ClipDistance and
|
|
* gl_CullDistance together from
|
|
* float[8] to vec4[2]
|
|
**/
|
|
GLbitfield LowerBuiltinVariablesXfb; /**< Which builtin variables should
|
|
* be lowered for transform feedback
|
|
**/
|
|
|
|
/**
|
|
* If we can lower the precision of variables based on precision
|
|
* qualifiers
|
|
*/
|
|
GLboolean LowerPrecisionFloat16;
|
|
GLboolean LowerPrecisionInt16;
|
|
GLboolean LowerPrecisionDerivatives;
|
|
GLboolean LowerPrecisionFloat16Uniforms;
|
|
|
|
/**
|
|
* This enables lowering of 16b constants. Some drivers may not
|
|
* to lower constants to 16b (ie. if the hw can do automatic
|
|
* narrowing on constant load)
|
|
*/
|
|
GLboolean LowerPrecisionConstants;
|
|
|
|
/**
|
|
* \name Forms of indirect addressing the driver cannot do.
|
|
*/
|
|
/*@{*/
|
|
GLboolean EmitNoIndirectInput; /**< No indirect addressing of inputs */
|
|
GLboolean EmitNoIndirectOutput; /**< No indirect addressing of outputs */
|
|
GLboolean EmitNoIndirectTemp; /**< No indirect addressing of temps */
|
|
GLboolean EmitNoIndirectUniform; /**< No indirect addressing of constants */
|
|
GLboolean EmitNoIndirectSampler; /**< No indirect addressing of samplers */
|
|
/*@}*/
|
|
|
|
GLuint MaxIfDepth; /**< Maximum nested IF blocks */
|
|
GLuint MaxUnrollIterations;
|
|
|
|
/**
|
|
* Optimize code for array of structures backends.
|
|
*
|
|
* This is a proxy for:
|
|
* - preferring DP4 instructions (rather than MUL/MAD) for
|
|
* matrix * vector operations, such as position transformation.
|
|
*/
|
|
GLboolean OptimizeForAOS;
|
|
|
|
/** Lower UBO and SSBO access to intrinsics. */
|
|
GLboolean LowerBufferInterfaceBlocks;
|
|
|
|
/** Clamp UBO and SSBO block indices so they don't go out-of-bounds. */
|
|
GLboolean ClampBlockIndicesToArrayBounds;
|
|
|
|
/** (driconf) Force gl_Position to be considered invariant */
|
|
GLboolean PositionAlwaysInvariant;
|
|
|
|
const struct nir_shader_compiler_options *NirOptions;
|
|
};
|
|
|
|
|
|
/**
|
|
* Occlusion/timer query object.
|
|
*/
|
|
struct gl_query_object
|
|
{
|
|
GLenum16 Target; /**< The query target, when active */
|
|
GLuint Id; /**< hash table ID/name */
|
|
GLchar *Label; /**< GL_KHR_debug */
|
|
GLuint64EXT Result; /**< the counter */
|
|
GLboolean Active; /**< inside Begin/EndQuery */
|
|
GLboolean Ready; /**< result is ready? */
|
|
GLboolean EverBound;/**< has query object ever been bound */
|
|
GLuint Stream; /**< The stream */
|
|
};
|
|
|
|
|
|
/**
|
|
* Context state for query objects.
|
|
*/
|
|
struct gl_query_state
|
|
{
|
|
struct _mesa_HashTable *QueryObjects;
|
|
struct gl_query_object *CurrentOcclusionObject; /* GL_ARB_occlusion_query */
|
|
struct gl_query_object *CurrentTimerObject; /* GL_EXT_timer_query */
|
|
|
|
/** GL_NV_conditional_render */
|
|
struct gl_query_object *CondRenderQuery;
|
|
|
|
/** GL_EXT_transform_feedback */
|
|
struct gl_query_object *PrimitivesGenerated[MAX_VERTEX_STREAMS];
|
|
struct gl_query_object *PrimitivesWritten[MAX_VERTEX_STREAMS];
|
|
|
|
/** GL_ARB_transform_feedback_overflow_query */
|
|
struct gl_query_object *TransformFeedbackOverflow[MAX_VERTEX_STREAMS];
|
|
struct gl_query_object *TransformFeedbackOverflowAny;
|
|
|
|
/** GL_ARB_timer_query */
|
|
struct gl_query_object *TimeElapsed;
|
|
|
|
/** GL_ARB_pipeline_statistics_query */
|
|
struct gl_query_object *pipeline_stats[MAX_PIPELINE_STATISTICS];
|
|
|
|
GLenum16 CondRenderMode;
|
|
};
|
|
|
|
|
|
/** Sync object state */
|
|
struct gl_sync_object
|
|
{
|
|
GLuint Name; /**< Fence name */
|
|
GLint RefCount; /**< Reference count */
|
|
GLchar *Label; /**< GL_KHR_debug */
|
|
GLboolean DeletePending; /**< Object was deleted while there were still
|
|
* live references (e.g., sync not yet finished)
|
|
*/
|
|
GLenum16 SyncCondition;
|
|
GLbitfield Flags; /**< Flags passed to glFenceSync */
|
|
GLuint StatusFlag:1; /**< Has the sync object been signaled? */
|
|
};
|
|
|
|
|
|
/**
|
|
* State which can be shared by multiple contexts:
|
|
*/
|
|
struct gl_shared_state
|
|
{
|
|
simple_mtx_t Mutex; /**< for thread safety */
|
|
GLint RefCount; /**< Reference count */
|
|
struct _mesa_HashTable *DisplayList; /**< Display lists hash table */
|
|
struct _mesa_HashTable *BitmapAtlas; /**< For optimized glBitmap text */
|
|
struct _mesa_HashTable *TexObjects; /**< Texture objects hash table */
|
|
|
|
/** Default texture objects (shared by all texture units) */
|
|
struct gl_texture_object *DefaultTex[NUM_TEXTURE_TARGETS];
|
|
|
|
/** Fallback texture used when a bound texture is incomplete */
|
|
struct gl_texture_object *FallbackTex[NUM_TEXTURE_TARGETS];
|
|
|
|
/**
|
|
* \name Thread safety and statechange notification for texture
|
|
* objects.
|
|
*
|
|
* \todo Improve the granularity of locking.
|
|
*/
|
|
/*@{*/
|
|
mtx_t TexMutex; /**< texobj thread safety */
|
|
GLuint TextureStateStamp; /**< state notification for shared tex */
|
|
/*@}*/
|
|
|
|
/**
|
|
* \name Vertex/geometry/fragment programs
|
|
*/
|
|
/*@{*/
|
|
struct _mesa_HashTable *Programs; /**< All vertex/fragment programs */
|
|
struct gl_program *DefaultVertexProgram;
|
|
struct gl_program *DefaultFragmentProgram;
|
|
/*@}*/
|
|
|
|
/* GL_ATI_fragment_shader */
|
|
struct _mesa_HashTable *ATIShaders;
|
|
struct ati_fragment_shader *DefaultFragmentShader;
|
|
|
|
struct _mesa_HashTable *BufferObjects;
|
|
|
|
/* Buffer objects released by a different context than the one that
|
|
* created them. Since the creating context holds one global buffer
|
|
* reference for each buffer it created and skips reference counting,
|
|
* deleting a buffer by another context can't touch the buffer reference
|
|
* held by the context that created it. Only the creating context can
|
|
* remove its global buffer reference.
|
|
*
|
|
* This list contains all buffers that were deleted by a different context
|
|
* than the one that created them. This list should be probed by all
|
|
* contexts regularly and remove references of those buffers that they own.
|
|
*/
|
|
struct set *ZombieBufferObjects;
|
|
|
|
/** Table of both gl_shader and gl_shader_program objects */
|
|
struct _mesa_HashTable *ShaderObjects;
|
|
|
|
/* GL_EXT_framebuffer_object */
|
|
struct _mesa_HashTable *RenderBuffers;
|
|
struct _mesa_HashTable *FrameBuffers;
|
|
|
|
/* GL_ARB_sync */
|
|
struct set *SyncObjects;
|
|
|
|
/** GL_ARB_sampler_objects */
|
|
struct _mesa_HashTable *SamplerObjects;
|
|
|
|
/* GL_ARB_bindless_texture */
|
|
struct hash_table_u64 *TextureHandles;
|
|
struct hash_table_u64 *ImageHandles;
|
|
mtx_t HandlesMutex; /**< For texture/image handles safety */
|
|
|
|
/* GL_ARB_shading_language_include */
|
|
struct shader_includes *ShaderIncludes;
|
|
/* glCompileShaderInclude expects ShaderIncludes not to change while it is
|
|
* in progress.
|
|
*/
|
|
mtx_t ShaderIncludeMutex;
|
|
|
|
/**
|
|
* Some context in this share group was affected by a GPU reset
|
|
*
|
|
* On the next call to \c glGetGraphicsResetStatus, contexts that have not
|
|
* been affected by a GPU reset must also return
|
|
* \c GL_INNOCENT_CONTEXT_RESET_ARB.
|
|
*
|
|
* Once this field becomes true, it is never reset to false.
|
|
*/
|
|
bool ShareGroupReset;
|
|
|
|
/** EXT_external_objects */
|
|
struct _mesa_HashTable *MemoryObjects;
|
|
|
|
/** EXT_semaphore */
|
|
struct _mesa_HashTable *SemaphoreObjects;
|
|
|
|
/**
|
|
* Some context in this share group was affected by a disjoint
|
|
* operation. This operation can be anything that has effects on
|
|
* values of timer queries in such manner that they become invalid for
|
|
* performance metrics. As example gpu reset, counter overflow or gpu
|
|
* frequency changes.
|
|
*/
|
|
bool DisjointOperation;
|
|
|
|
/**
|
|
* Whether at least one image has been imported or exported, excluding
|
|
* the default framebuffer. If this is false, glFlush can be executed
|
|
* asynchronously because there is no invisible dependency on external
|
|
* users.
|
|
*/
|
|
bool HasExternallySharedImages;
|
|
|
|
/* Small display list storage */
|
|
struct {
|
|
union gl_dlist_node *ptr;
|
|
struct util_idalloc free_idx;
|
|
unsigned size;
|
|
} small_dlist_store;
|
|
};
|
|
|
|
|
|
|
|
/**
|
|
* Renderbuffers represent drawing surfaces such as color, depth and/or
|
|
* stencil. A framebuffer object has a set of renderbuffers.
|
|
* Drivers will typically derive subclasses of this type.
|
|
*/
|
|
struct gl_renderbuffer
|
|
{
|
|
GLuint ClassID; /**< Useful for drivers */
|
|
GLuint Name;
|
|
GLchar *Label; /**< GL_KHR_debug */
|
|
GLint RefCount;
|
|
GLuint Width, Height;
|
|
GLuint Depth;
|
|
GLboolean Purgeable; /**< Is the buffer purgeable under memory pressure? */
|
|
GLboolean AttachedAnytime; /**< TRUE if it was attached to a framebuffer */
|
|
/**
|
|
* True for renderbuffers that wrap textures, giving the driver a chance to
|
|
* flush render caches through the FinishRenderTexture hook.
|
|
*
|
|
* Drivers may also set this on renderbuffers other than those generated by
|
|
* glFramebufferTexture(), though it means FinishRenderTexture() would be
|
|
* called without a rb->TexImage.
|
|
*/
|
|
GLboolean NeedsFinishRenderTexture;
|
|
GLubyte NumSamples; /**< zero means not multisampled */
|
|
GLubyte NumStorageSamples; /**< for AMD_framebuffer_multisample_advanced */
|
|
GLenum16 InternalFormat; /**< The user-specified format */
|
|
GLenum16 _BaseFormat; /**< Either GL_RGB, GL_RGBA, GL_DEPTH_COMPONENT or
|
|
GL_STENCIL_INDEX. */
|
|
mesa_format Format; /**< The actual renderbuffer memory format */
|
|
/**
|
|
* Pointer to the texture image if this renderbuffer wraps a texture,
|
|
* otherwise NULL.
|
|
*
|
|
* Note that the reference on the gl_texture_object containing this
|
|
* TexImage is held by the gl_renderbuffer_attachment.
|
|
*/
|
|
struct gl_texture_image *TexImage;
|
|
|
|
/** Delete this renderbuffer */
|
|
void (*Delete)(struct gl_context *ctx, struct gl_renderbuffer *rb);
|
|
|
|
/** Allocate new storage for this renderbuffer */
|
|
GLboolean (*AllocStorage)(struct gl_context *ctx,
|
|
struct gl_renderbuffer *rb,
|
|
GLenum internalFormat,
|
|
GLuint width, GLuint height);
|
|
};
|
|
|
|
|
|
/**
|
|
* A renderbuffer attachment points to either a texture object (and specifies
|
|
* a mipmap level, cube face or 3D texture slice) or points to a renderbuffer.
|
|
*/
|
|
struct gl_renderbuffer_attachment
|
|
{
|
|
GLenum16 Type; /**< \c GL_NONE or \c GL_TEXTURE or \c GL_RENDERBUFFER_EXT */
|
|
GLboolean Complete;
|
|
|
|
/**
|
|
* If \c Type is \c GL_RENDERBUFFER_EXT, this stores a pointer to the
|
|
* application supplied renderbuffer object.
|
|
*/
|
|
struct gl_renderbuffer *Renderbuffer;
|
|
|
|
/**
|
|
* If \c Type is \c GL_TEXTURE, this stores a pointer to the application
|
|
* supplied texture object.
|
|
*/
|
|
struct gl_texture_object *Texture;
|
|
GLuint TextureLevel; /**< Attached mipmap level. */
|
|
GLsizei NumSamples; /**< from FramebufferTexture2DMultisampleEXT */
|
|
GLuint CubeMapFace; /**< 0 .. 5, for cube map textures. */
|
|
GLuint Zoffset; /**< Slice for 3D textures, or layer for both 1D
|
|
* and 2D array textures */
|
|
GLboolean Layered;
|
|
};
|
|
|
|
|
|
/**
|
|
* A framebuffer is a collection of renderbuffers (color, depth, stencil, etc).
|
|
* In C++ terms, think of this as a base class from which device drivers
|
|
* will make derived classes.
|
|
*/
|
|
struct gl_framebuffer
|
|
{
|
|
simple_mtx_t Mutex; /**< for thread safety */
|
|
/**
|
|
* If zero, this is a window system framebuffer. If non-zero, this
|
|
* is a FBO framebuffer; note that for some devices (i.e. those with
|
|
* a natural pixel coordinate system for FBOs that differs from the
|
|
* OpenGL/Mesa coordinate system), this means that the viewport,
|
|
* polygon face orientation, and polygon stipple will have to be inverted.
|
|
*/
|
|
GLuint Name;
|
|
GLint RefCount;
|
|
|
|
GLchar *Label; /**< GL_KHR_debug */
|
|
|
|
GLboolean DeletePending;
|
|
|
|
/**
|
|
* The framebuffer's visual. Immutable if this is a window system buffer.
|
|
* Computed from attachments if user-made FBO.
|
|
*/
|
|
struct gl_config Visual;
|
|
|
|
/**
|
|
* Size of frame buffer in pixels. If there are no attachments, then both
|
|
* of these are 0.
|
|
*/
|
|
GLuint Width, Height;
|
|
|
|
/**
|
|
* In the case that the framebuffer has no attachment (i.e.
|
|
* GL_ARB_framebuffer_no_attachments) then the geometry of
|
|
* the framebuffer is specified by the default values.
|
|
*/
|
|
struct {
|
|
GLuint Width, Height, Layers, NumSamples;
|
|
GLboolean FixedSampleLocations;
|
|
/* Derived from NumSamples by the driver so that it can choose a valid
|
|
* value for the hardware.
|
|
*/
|
|
GLuint _NumSamples;
|
|
} DefaultGeometry;
|
|
|
|
/** \name Drawing bounds (Intersection of buffer size and scissor box)
|
|
* The drawing region is given by [_Xmin, _Xmax) x [_Ymin, _Ymax),
|
|
* (inclusive for _Xmin and _Ymin while exclusive for _Xmax and _Ymax)
|
|
*/
|
|
/*@{*/
|
|
GLint _Xmin, _Xmax;
|
|
GLint _Ymin, _Ymax;
|
|
/*@}*/
|
|
|
|
/** \name Derived Z buffer stuff */
|
|
/*@{*/
|
|
GLuint _DepthMax; /**< Max depth buffer value */
|
|
GLfloat _DepthMaxF; /**< Float max depth buffer value */
|
|
GLfloat _MRD; /**< minimum resolvable difference in Z values */
|
|
/*@}*/
|
|
|
|
/** One of the GL_FRAMEBUFFER_(IN)COMPLETE_* tokens */
|
|
GLenum16 _Status;
|
|
|
|
/** Whether one of Attachment has Type != GL_NONE
|
|
* NOTE: the values for Width and Height are set to 0 in case of having
|
|
* no attachments, a backend driver supporting the extension
|
|
* GL_ARB_framebuffer_no_attachments must check for the flag _HasAttachments
|
|
* and if GL_FALSE, must then use the values in DefaultGeometry to initialize
|
|
* its viewport, scissor and so on (in particular _Xmin, _Xmax, _Ymin and
|
|
* _Ymax do NOT take into account _HasAttachments being false). To get the
|
|
* geometry of the framebuffer, the helper functions
|
|
* _mesa_geometric_width(),
|
|
* _mesa_geometric_height(),
|
|
* _mesa_geometric_samples() and
|
|
* _mesa_geometric_layers()
|
|
* are available that check _HasAttachments.
|
|
*/
|
|
bool _HasAttachments;
|
|
|
|
GLbitfield _IntegerBuffers; /**< Which color buffers are integer valued */
|
|
GLbitfield _RGBBuffers; /**< Which color buffers have baseformat == RGB */
|
|
GLbitfield _FP32Buffers; /**< Which color buffers are FP32 */
|
|
|
|
/* ARB_color_buffer_float */
|
|
GLboolean _AllColorBuffersFixedPoint; /* no integer, no float */
|
|
GLboolean _HasSNormOrFloatColorBuffer;
|
|
|
|
/**
|
|
* The maximum number of layers in the framebuffer, or 0 if the framebuffer
|
|
* is not layered. For cube maps and cube map arrays, each cube face
|
|
* counts as a layer. As the case for Width, Height a backend driver
|
|
* supporting GL_ARB_framebuffer_no_attachments must use DefaultGeometry
|
|
* in the case that _HasAttachments is false
|
|
*/
|
|
GLuint MaxNumLayers;
|
|
|
|
/** Array of all renderbuffer attachments, indexed by BUFFER_* tokens. */
|
|
struct gl_renderbuffer_attachment Attachment[BUFFER_COUNT];
|
|
|
|
/* In unextended OpenGL these vars are part of the GL_COLOR_BUFFER
|
|
* attribute group and GL_PIXEL attribute group, respectively.
|
|
*/
|
|
GLenum16 ColorDrawBuffer[MAX_DRAW_BUFFERS];
|
|
GLenum16 ColorReadBuffer;
|
|
|
|
/* GL_ARB_sample_locations */
|
|
GLfloat *SampleLocationTable; /**< If NULL, no table has been specified */
|
|
GLboolean ProgrammableSampleLocations;
|
|
GLboolean SampleLocationPixelGrid;
|
|
|
|
/** Computed from ColorDraw/ReadBuffer above */
|
|
GLuint _NumColorDrawBuffers;
|
|
gl_buffer_index _ColorDrawBufferIndexes[MAX_DRAW_BUFFERS];
|
|
gl_buffer_index _ColorReadBufferIndex;
|
|
struct gl_renderbuffer *_ColorDrawBuffers[MAX_DRAW_BUFFERS];
|
|
struct gl_renderbuffer *_ColorReadBuffer;
|
|
|
|
/* GL_MESA_framebuffer_flip_y */
|
|
bool FlipY;
|
|
|
|
/** Delete this framebuffer */
|
|
void (*Delete)(struct gl_framebuffer *fb);
|
|
};
|
|
|
|
|
|
/**
|
|
* Precision info for shader datatypes. See glGetShaderPrecisionFormat().
|
|
*/
|
|
struct gl_precision
|
|
{
|
|
GLushort RangeMin; /**< min value exponent */
|
|
GLushort RangeMax; /**< max value exponent */
|
|
GLushort Precision; /**< number of mantissa bits */
|
|
};
|
|
|
|
|
|
/**
|
|
* Limits for vertex, geometry and fragment programs/shaders.
|
|
*/
|
|
struct gl_program_constants
|
|
{
|
|
/* logical limits */
|
|
GLuint MaxInstructions;
|
|
GLuint MaxAluInstructions;
|
|
GLuint MaxTexInstructions;
|
|
GLuint MaxTexIndirections;
|
|
GLuint MaxAttribs;
|
|
GLuint MaxTemps;
|
|
GLuint MaxAddressRegs;
|
|
GLuint MaxAddressOffset; /**< [-MaxAddressOffset, MaxAddressOffset-1] */
|
|
GLuint MaxParameters;
|
|
GLuint MaxLocalParams;
|
|
GLuint MaxEnvParams;
|
|
/* native/hardware limits */
|
|
GLuint MaxNativeInstructions;
|
|
GLuint MaxNativeAluInstructions;
|
|
GLuint MaxNativeTexInstructions;
|
|
GLuint MaxNativeTexIndirections;
|
|
GLuint MaxNativeAttribs;
|
|
GLuint MaxNativeTemps;
|
|
GLuint MaxNativeAddressRegs;
|
|
GLuint MaxNativeParameters;
|
|
/* For shaders */
|
|
GLuint MaxUniformComponents; /**< Usually == MaxParameters * 4 */
|
|
|
|
/**
|
|
* \name Per-stage input / output limits
|
|
*
|
|
* Previous to OpenGL 3.2, the intrastage data limits were advertised with
|
|
* a single value: GL_MAX_VARYING_COMPONENTS (GL_MAX_VARYING_VECTORS in
|
|
* ES). This is stored as \c gl_constants::MaxVarying.
|
|
*
|
|
* Starting with OpenGL 3.2, the limits are advertised with per-stage
|
|
* variables. Each stage as a certain number of outputs that it can feed
|
|
* to the next stage and a certain number inputs that it can consume from
|
|
* the previous stage.
|
|
*
|
|
* Vertex shader inputs do not participate this in this accounting.
|
|
* These are tracked exclusively by \c gl_program_constants::MaxAttribs.
|
|
*
|
|
* Fragment shader outputs do not participate this in this accounting.
|
|
* These are tracked exclusively by \c gl_constants::MaxDrawBuffers.
|
|
*/
|
|
/*@{*/
|
|
GLuint MaxInputComponents;
|
|
GLuint MaxOutputComponents;
|
|
/*@}*/
|
|
|
|
/* ES 2.0 and GL_ARB_ES2_compatibility */
|
|
struct gl_precision LowFloat, MediumFloat, HighFloat;
|
|
struct gl_precision LowInt, MediumInt, HighInt;
|
|
/* GL_ARB_uniform_buffer_object */
|
|
GLuint MaxUniformBlocks;
|
|
uint64_t MaxCombinedUniformComponents;
|
|
GLuint MaxTextureImageUnits;
|
|
|
|
/* GL_ARB_shader_atomic_counters */
|
|
GLuint MaxAtomicBuffers;
|
|
GLuint MaxAtomicCounters;
|
|
|
|
/* GL_ARB_shader_image_load_store */
|
|
GLuint MaxImageUniforms;
|
|
|
|
/* GL_ARB_shader_storage_buffer_object */
|
|
GLuint MaxShaderStorageBlocks;
|
|
};
|
|
|
|
/**
|
|
* Constants which may be overridden by device driver during context creation
|
|
* but are never changed after that.
|
|
*/
|
|
struct gl_constants
|
|
{
|
|
GLuint MaxTextureMbytes; /**< Max memory per image, in MB */
|
|
GLuint MaxTextureSize; /**< Max 1D/2D texture size, in pixels*/
|
|
GLuint Max3DTextureLevels; /**< Max mipmap levels for 3D textures */
|
|
GLuint MaxCubeTextureLevels; /**< Max mipmap levels for cube textures */
|
|
GLuint MaxArrayTextureLayers; /**< Max layers in array textures */
|
|
GLuint MaxTextureRectSize; /**< Max rectangle texture size, in pixes */
|
|
GLuint MaxTextureCoordUnits;
|
|
GLuint MaxCombinedTextureImageUnits;
|
|
GLuint MaxTextureUnits; /**< = MIN(CoordUnits, FragmentProgram.ImageUnits) */
|
|
GLfloat MaxTextureMaxAnisotropy; /**< GL_EXT_texture_filter_anisotropic */
|
|
GLfloat MaxTextureLodBias; /**< GL_EXT_texture_lod_bias */
|
|
GLuint MaxTextureBufferSize; /**< GL_ARB_texture_buffer_object */
|
|
|
|
GLuint TextureBufferOffsetAlignment; /**< GL_ARB_texture_buffer_range */
|
|
|
|
GLuint MaxArrayLockSize;
|
|
|
|
GLint SubPixelBits;
|
|
|
|
GLfloat MinPointSize, MaxPointSize; /**< aliased */
|
|
GLfloat MinPointSizeAA, MaxPointSizeAA; /**< antialiased */
|
|
GLfloat PointSizeGranularity;
|
|
GLfloat MinLineWidth, MaxLineWidth; /**< aliased */
|
|
GLfloat MinLineWidthAA, MaxLineWidthAA; /**< antialiased */
|
|
GLfloat LineWidthGranularity;
|
|
|
|
GLuint MaxClipPlanes;
|
|
GLuint MaxLights;
|
|
GLfloat MaxShininess; /**< GL_NV_light_max_exponent */
|
|
GLfloat MaxSpotExponent; /**< GL_NV_light_max_exponent */
|
|
|
|
GLuint MaxViewportWidth, MaxViewportHeight;
|
|
GLuint MaxViewports; /**< GL_ARB_viewport_array */
|
|
GLuint ViewportSubpixelBits; /**< GL_ARB_viewport_array */
|
|
struct {
|
|
GLfloat Min;
|
|
GLfloat Max;
|
|
} ViewportBounds; /**< GL_ARB_viewport_array */
|
|
GLuint MaxWindowRectangles; /**< GL_EXT_window_rectangles */
|
|
|
|
struct gl_program_constants Program[MESA_SHADER_STAGES];
|
|
GLuint MaxProgramMatrices;
|
|
GLuint MaxProgramMatrixStackDepth;
|
|
|
|
struct {
|
|
GLuint SamplesPassed;
|
|
GLuint TimeElapsed;
|
|
GLuint Timestamp;
|
|
GLuint PrimitivesGenerated;
|
|
GLuint PrimitivesWritten;
|
|
GLuint VerticesSubmitted;
|
|
GLuint PrimitivesSubmitted;
|
|
GLuint VsInvocations;
|
|
GLuint TessPatches;
|
|
GLuint TessInvocations;
|
|
GLuint GsInvocations;
|
|
GLuint GsPrimitives;
|
|
GLuint FsInvocations;
|
|
GLuint ComputeInvocations;
|
|
GLuint ClInPrimitives;
|
|
GLuint ClOutPrimitives;
|
|
} QueryCounterBits;
|
|
|
|
GLuint MaxDrawBuffers; /**< GL_ARB_draw_buffers */
|
|
|
|
GLuint MaxColorAttachments; /**< GL_EXT_framebuffer_object */
|
|
GLuint MaxRenderbufferSize; /**< GL_EXT_framebuffer_object */
|
|
GLuint MaxSamples; /**< GL_ARB_framebuffer_object */
|
|
|
|
/**
|
|
* GL_ARB_framebuffer_no_attachments
|
|
*/
|
|
GLuint MaxFramebufferWidth;
|
|
GLuint MaxFramebufferHeight;
|
|
GLuint MaxFramebufferLayers;
|
|
GLuint MaxFramebufferSamples;
|
|
|
|
/** Number of varying vectors between any two shader stages. */
|
|
GLuint MaxVarying;
|
|
|
|
/** @{
|
|
* GL_ARB_uniform_buffer_object
|
|
*/
|
|
GLuint MaxCombinedUniformBlocks;
|
|
GLuint MaxUniformBufferBindings;
|
|
GLuint MaxUniformBlockSize;
|
|
GLuint UniformBufferOffsetAlignment;
|
|
/** @} */
|
|
|
|
/** @{
|
|
* GL_ARB_shader_storage_buffer_object
|
|
*/
|
|
GLuint MaxCombinedShaderStorageBlocks;
|
|
GLuint MaxShaderStorageBufferBindings;
|
|
GLuint MaxShaderStorageBlockSize;
|
|
GLuint ShaderStorageBufferOffsetAlignment;
|
|
/** @} */
|
|
|
|
/**
|
|
* GL_ARB_explicit_uniform_location
|
|
*/
|
|
GLuint MaxUserAssignableUniformLocations;
|
|
|
|
/** geometry shader */
|
|
GLuint MaxGeometryOutputVertices;
|
|
GLuint MaxGeometryTotalOutputComponents;
|
|
GLuint MaxGeometryShaderInvocations;
|
|
|
|
GLuint GLSLVersion; /**< Desktop GLSL version supported (ex: 120 = 1.20) */
|
|
GLuint GLSLVersionCompat; /**< Desktop compat GLSL version supported */
|
|
|
|
/**
|
|
* Changes default GLSL extension behavior from "error" to "warn". It's out
|
|
* of spec, but it can make some apps work that otherwise wouldn't.
|
|
*/
|
|
GLboolean ForceGLSLExtensionsWarn;
|
|
|
|
/**
|
|
* If non-zero, forces GLSL shaders to behave as if they began
|
|
* with "#version ForceGLSLVersion".
|
|
*/
|
|
GLuint ForceGLSLVersion;
|
|
|
|
/**
|
|
* Allow GLSL #extension directives in the middle of shaders.
|
|
*/
|
|
GLboolean AllowGLSLExtensionDirectiveMidShader;
|
|
|
|
/**
|
|
* Allow a subset of GLSL 1.20 in GLSL 1.10 as needed by SPECviewperf13.
|
|
*/
|
|
GLboolean AllowGLSL120SubsetIn110;
|
|
|
|
/**
|
|
* Allow builtins as part of constant expressions. This was not allowed
|
|
* until GLSL 1.20 this allows it everywhere.
|
|
*/
|
|
GLboolean AllowGLSLBuiltinConstantExpression;
|
|
|
|
/**
|
|
* Allow some relaxation of GLSL ES shader restrictions. This encompasses
|
|
* a number of relaxations to the ES shader rules.
|
|
*/
|
|
GLboolean AllowGLSLRelaxedES;
|
|
|
|
/**
|
|
* Allow GLSL built-in variables to be redeclared verbatim
|
|
*/
|
|
GLboolean AllowGLSLBuiltinVariableRedeclaration;
|
|
|
|
/**
|
|
* Allow GLSL interpolation qualifier mismatch across shader stages.
|
|
*/
|
|
GLboolean AllowGLSLCrossStageInterpolationMismatch;
|
|
|
|
/**
|
|
* Allow creating a higher compat profile (version 3.1+) for apps that
|
|
* request it. Be careful when adding that driconf option because some
|
|
* features are unimplemented and might not work correctly.
|
|
*/
|
|
GLboolean AllowHigherCompatVersion;
|
|
|
|
/**
|
|
* Allow extra tokens at end of preprocessor directives. The CTS now tests
|
|
* to make sure these are not allowed. However, previously drivers would
|
|
* allow them to exist and just issue a warning so some old applications
|
|
* depend on this.
|
|
*/
|
|
GLboolean AllowExtraPPTokens;
|
|
|
|
/**
|
|
* Force computing the absolute value for sqrt() and inversesqrt() to follow
|
|
* D3D9 when apps rely on this behaviour.
|
|
*/
|
|
GLboolean ForceGLSLAbsSqrt;
|
|
|
|
/**
|
|
* Forces the GLSL compiler to ignore writes to readonly vars rather than
|
|
* throwing an error.
|
|
*/
|
|
GLboolean GLSLIgnoreWriteToReadonlyVar;
|
|
|
|
/**
|
|
* Types of variable to default initialized to zero. Supported values are:
|
|
* - 0: no zero initialization
|
|
* - 1: all shader variables and gl_FragColor are initialiazed to 0
|
|
* - 2: same as 1, but shader out variables are *not* initialized, while
|
|
* function out variables are now initialized.
|
|
*/
|
|
GLchar GLSLZeroInit;
|
|
|
|
/**
|
|
* Force GL names reuse. Needed by SPECviewperf13.
|
|
*/
|
|
GLboolean ForceGLNamesReuse;
|
|
|
|
/**
|
|
* Treat integer textures using GL_LINEAR filters as GL_NEAREST.
|
|
*/
|
|
GLboolean ForceIntegerTexNearest;
|
|
|
|
/**
|
|
* Does the driver support real 32-bit integers? (Otherwise, integers are
|
|
* simulated via floats.)
|
|
*/
|
|
GLboolean NativeIntegers;
|
|
|
|
/**
|
|
* Does VertexID count from zero or from base vertex?
|
|
*
|
|
* \note
|
|
* If desktop GLSL 1.30 or GLSL ES 3.00 are not supported, this field is
|
|
* ignored and need not be set.
|
|
*/
|
|
bool VertexID_is_zero_based;
|
|
|
|
/**
|
|
* If the driver supports real 32-bit integers, what integer value should be
|
|
* used for boolean true in uniform uploads? (Usually 1 or ~0.)
|
|
*/
|
|
GLuint UniformBooleanTrue;
|
|
|
|
/**
|
|
* Maximum amount of time, measured in nanseconds, that the server can wait.
|
|
*/
|
|
GLuint64 MaxServerWaitTimeout;
|
|
|
|
/** GL_EXT_provoking_vertex */
|
|
GLboolean QuadsFollowProvokingVertexConvention;
|
|
|
|
/** GL_ARB_viewport_array */
|
|
GLenum16 LayerAndVPIndexProvokingVertex;
|
|
|
|
/** OpenGL version 3.0 */
|
|
GLbitfield ContextFlags; /**< Ex: GL_CONTEXT_FLAG_FORWARD_COMPATIBLE_BIT */
|
|
|
|
/** OpenGL version 3.2 */
|
|
GLbitfield ProfileMask; /**< Mask of CONTEXT_x_PROFILE_BIT */
|
|
|
|
/** OpenGL version 4.4 */
|
|
GLuint MaxVertexAttribStride;
|
|
|
|
/** GL_EXT_transform_feedback */
|
|
GLuint MaxTransformFeedbackBuffers;
|
|
GLuint MaxTransformFeedbackSeparateComponents;
|
|
GLuint MaxTransformFeedbackInterleavedComponents;
|
|
GLuint MaxVertexStreams;
|
|
|
|
/** GL_EXT_gpu_shader4 */
|
|
GLint MinProgramTexelOffset, MaxProgramTexelOffset;
|
|
|
|
/** GL_ARB_texture_gather */
|
|
GLuint MinProgramTextureGatherOffset;
|
|
GLuint MaxProgramTextureGatherOffset;
|
|
GLuint MaxProgramTextureGatherComponents;
|
|
|
|
/* GL_ARB_robustness */
|
|
GLenum16 ResetStrategy;
|
|
|
|
/* GL_KHR_robustness */
|
|
GLboolean RobustAccess;
|
|
|
|
/* GL_ARB_blend_func_extended */
|
|
GLuint MaxDualSourceDrawBuffers;
|
|
|
|
/**
|
|
* Whether the implementation strips out and ignores texture borders.
|
|
*
|
|
* Many GPU hardware implementations don't support rendering with texture
|
|
* borders and mipmapped textures. (Note: not static border color, but the
|
|
* old 1-pixel border around each edge). Implementations then have to do
|
|
* slow fallbacks to be correct, or just ignore the border and be fast but
|
|
* wrong. Setting the flag strips the border off of TexImage calls,
|
|
* providing "fast but wrong" at significantly reduced driver complexity.
|
|
*
|
|
* Texture borders are deprecated in GL 3.0.
|
|
**/
|
|
GLboolean StripTextureBorder;
|
|
|
|
/**
|
|
* For drivers which can do a better job at eliminating unused uniforms
|
|
* than the GLSL compiler.
|
|
*
|
|
* XXX Remove these as soon as a better solution is available.
|
|
*/
|
|
GLboolean GLSLSkipStrictMaxUniformLimitCheck;
|
|
|
|
/**
|
|
* Whether gl_FragCoord, gl_PointCoord and gl_FrontFacing
|
|
* are system values.
|
|
**/
|
|
bool GLSLFragCoordIsSysVal;
|
|
bool GLSLPointCoordIsSysVal;
|
|
bool GLSLFrontFacingIsSysVal;
|
|
|
|
/**
|
|
* Run the minimum amount of GLSL optimizations to be able to link
|
|
* shaders optimally (eliminate dead varyings and uniforms) and just do
|
|
* all the necessary lowering.
|
|
*/
|
|
bool GLSLOptimizeConservatively;
|
|
|
|
/**
|
|
* Whether to call lower_const_arrays_to_uniforms() during linking.
|
|
*/
|
|
bool GLSLLowerConstArrays;
|
|
|
|
/**
|
|
* True if gl_TessLevelInner/Outer[] in the TES should be inputs
|
|
* (otherwise, they're system values).
|
|
*/
|
|
bool GLSLTessLevelsAsInputs;
|
|
|
|
/**
|
|
* Always use the GetTransformFeedbackVertexCount() driver hook, rather
|
|
* than passing the transform feedback object to the drawing function.
|
|
*/
|
|
GLboolean AlwaysUseGetTransformFeedbackVertexCount;
|
|
|
|
/** GL_ARB_map_buffer_alignment */
|
|
GLuint MinMapBufferAlignment;
|
|
|
|
/**
|
|
* Disable varying packing. This is out of spec, but potentially useful
|
|
* for older platforms that supports a limited number of texture
|
|
* indirections--on these platforms, unpacking the varyings in the fragment
|
|
* shader increases the number of texture indirections by 1, which might
|
|
* make some shaders not executable at all.
|
|
*
|
|
* Drivers that support transform feedback must set this value to GL_FALSE.
|
|
*/
|
|
GLboolean DisableVaryingPacking;
|
|
|
|
/**
|
|
* Disable varying packing if used for transform feedback. This is needed
|
|
* for some drivers (e.g. Panfrost) where transform feedback requires
|
|
* unpacked varyings.
|
|
*
|
|
* This variable is mutually exlusive with DisableVaryingPacking.
|
|
*/
|
|
GLboolean DisableTransformFeedbackPacking;
|
|
|
|
/**
|
|
* UBOs and SSBOs can be packed tightly by the OpenGL implementation when
|
|
* layout is set as shared (the default) or packed. However most Mesa drivers
|
|
* just use STD140 for these layouts. This flag allows drivers to use STD430
|
|
* for packed and shared layouts which allows arrays to be packed more
|
|
* tightly.
|
|
*/
|
|
bool UseSTD430AsDefaultPacking;
|
|
|
|
/**
|
|
* Should meaningful names be generated for compiler temporary variables?
|
|
*
|
|
* Generally, it is not useful to have the compiler generate "meaningful"
|
|
* names for temporary variables that it creates. This can, however, be a
|
|
* useful debugging aid. In Mesa debug builds or release builds when
|
|
* MESA_GLSL is set at run-time, meaningful names will be generated.
|
|
* Drivers can also force names to be generated by setting this field.
|
|
* For example, the i965 driver may set it when INTEL_DEBUG=vs (to dump
|
|
* vertex shader assembly) is set at run-time.
|
|
*/
|
|
bool GenerateTemporaryNames;
|
|
|
|
/*
|
|
* Maximum value supported for an index in DrawElements and friends.
|
|
*
|
|
* This must be at least (1ull<<24)-1. The default value is
|
|
* (1ull<<32)-1.
|
|
*
|
|
* \since ES 3.0 or GL_ARB_ES3_compatibility
|
|
* \sa _mesa_init_constants
|
|
*/
|
|
GLuint64 MaxElementIndex;
|
|
|
|
/**
|
|
* Disable interpretation of line continuations (lines ending with a
|
|
* backslash character ('\') in GLSL source.
|
|
*/
|
|
GLboolean DisableGLSLLineContinuations;
|
|
|
|
/** GL_ARB_texture_multisample */
|
|
GLint MaxColorTextureSamples;
|
|
GLint MaxDepthTextureSamples;
|
|
GLint MaxIntegerSamples;
|
|
|
|
/** GL_AMD_framebuffer_multisample_advanced */
|
|
GLint MaxColorFramebufferSamples;
|
|
GLint MaxColorFramebufferStorageSamples;
|
|
GLint MaxDepthStencilFramebufferSamples;
|
|
|
|
/* An array of supported MSAA modes allowing different sample
|
|
* counts per attachment type.
|
|
*/
|
|
struct {
|
|
GLint NumColorSamples;
|
|
GLint NumColorStorageSamples;
|
|
GLint NumDepthStencilSamples;
|
|
} SupportedMultisampleModes[40];
|
|
GLint NumSupportedMultisampleModes;
|
|
|
|
/** GL_ARB_shader_atomic_counters */
|
|
GLuint MaxAtomicBufferBindings;
|
|
GLuint MaxAtomicBufferSize;
|
|
GLuint MaxCombinedAtomicBuffers;
|
|
GLuint MaxCombinedAtomicCounters;
|
|
|
|
/** GL_ARB_vertex_attrib_binding */
|
|
GLint MaxVertexAttribRelativeOffset;
|
|
GLint MaxVertexAttribBindings;
|
|
|
|
/* GL_ARB_shader_image_load_store */
|
|
GLuint MaxImageUnits;
|
|
GLuint MaxCombinedShaderOutputResources;
|
|
GLuint MaxImageSamples;
|
|
GLuint MaxCombinedImageUniforms;
|
|
|
|
/** GL_ARB_compute_shader */
|
|
GLuint MaxComputeWorkGroupCount[3]; /* Array of x, y, z dimensions */
|
|
GLuint MaxComputeWorkGroupSize[3]; /* Array of x, y, z dimensions */
|
|
GLuint MaxComputeWorkGroupInvocations;
|
|
GLuint MaxComputeSharedMemorySize;
|
|
|
|
/** GL_ARB_compute_variable_group_size */
|
|
GLuint MaxComputeVariableGroupSize[3]; /* Array of x, y, z dimensions */
|
|
GLuint MaxComputeVariableGroupInvocations;
|
|
|
|
/** GL_ARB_gpu_shader5 */
|
|
GLfloat MinFragmentInterpolationOffset;
|
|
GLfloat MaxFragmentInterpolationOffset;
|
|
|
|
GLboolean FakeSWMSAA;
|
|
|
|
/** GL_KHR_context_flush_control */
|
|
GLenum16 ContextReleaseBehavior;
|
|
|
|
struct gl_shader_compiler_options ShaderCompilerOptions[MESA_SHADER_STAGES];
|
|
|
|
/** GL_ARB_tessellation_shader */
|
|
GLuint MaxPatchVertices;
|
|
GLuint MaxTessGenLevel;
|
|
GLuint MaxTessPatchComponents;
|
|
GLuint MaxTessControlTotalOutputComponents;
|
|
bool LowerTessLevel; /**< Lower gl_TessLevel* from float[n] to vecn? */
|
|
bool PrimitiveRestartForPatches;
|
|
bool LowerCsDerivedVariables; /**< Lower gl_GlobalInvocationID and
|
|
* gl_LocalInvocationIndex based on
|
|
* other builtin variables. */
|
|
|
|
/** GL_OES_primitive_bounding_box */
|
|
bool NoPrimitiveBoundingBoxOutput;
|
|
|
|
/** GL_ARB_sparse_buffer */
|
|
GLuint SparseBufferPageSize;
|
|
|
|
/** Used as an input for sha1 generation in the on-disk shader cache */
|
|
unsigned char *dri_config_options_sha1;
|
|
|
|
/** When drivers are OK with mapped buffers during draw and other calls. */
|
|
bool AllowMappedBuffersDuringExecution;
|
|
|
|
/**
|
|
* Whether buffer creation, unsynchronized mapping, unmapping, and
|
|
* deletion is thread-safe.
|
|
*/
|
|
bool BufferCreateMapUnsynchronizedThreadSafe;
|
|
|
|
/** GL_ARB_get_program_binary */
|
|
GLuint NumProgramBinaryFormats;
|
|
|
|
/** GL_NV_conservative_raster */
|
|
GLuint MaxSubpixelPrecisionBiasBits;
|
|
|
|
/** GL_NV_conservative_raster_dilate */
|
|
GLfloat ConservativeRasterDilateRange[2];
|
|
GLfloat ConservativeRasterDilateGranularity;
|
|
|
|
/** Is the drivers uniform storage packed or padded to 16 bytes. */
|
|
bool PackedDriverUniformStorage;
|
|
|
|
/** Does the driver make use of the NIR based GLSL linker */
|
|
bool UseNIRGLSLLinker;
|
|
|
|
/** Wether or not glBitmap uses red textures rather than alpha */
|
|
bool BitmapUsesRed;
|
|
|
|
/** Whether the vertex buffer offset is a signed 32-bit integer. */
|
|
bool VertexBufferOffsetIsInt32;
|
|
|
|
/** Whether the driver can handle MultiDrawElements with non-VBO indices. */
|
|
bool MultiDrawWithUserIndices;
|
|
|
|
/** Whether out-of-order draw (Begin/End) optimizations are allowed. */
|
|
bool AllowDrawOutOfOrder;
|
|
|
|
/** Whether to allow the fast path for frequently updated VAOs. */
|
|
bool AllowDynamicVAOFastPath;
|
|
|
|
/** Whether the driver can support primitive restart with a fixed index.
|
|
* This is essentially a subset of NV_primitive_restart with enough support
|
|
* to be able to enable GLES 3.1. Some hardware can support this but not the
|
|
* full NV extension with arbitrary restart indices.
|
|
*/
|
|
bool PrimitiveRestartFixedIndex;
|
|
|
|
/** GL_ARB_gl_spirv */
|
|
struct spirv_supported_capabilities SpirVCapabilities;
|
|
|
|
/** GL_ARB_spirv_extensions */
|
|
struct spirv_supported_extensions *SpirVExtensions;
|
|
|
|
char *VendorOverride;
|
|
char *RendererOverride;
|
|
|
|
/** Buffer size used to upload vertices from glBegin/glEnd. */
|
|
unsigned glBeginEndBufferSize;
|
|
|
|
/** Whether the driver doesn't want x/y/width/height clipped based on src size
|
|
* when doing a copy texture operation (eg: may want out-of-bounds reads that
|
|
* produce 0 instead of leaving the texture content undefined).
|
|
*/
|
|
bool NoClippingOnCopyTex;
|
|
};
|
|
|
|
|
|
/**
|
|
* Enable flag for each OpenGL extension. Different device drivers will
|
|
* enable different extensions at runtime.
|
|
*/
|
|
struct gl_extensions
|
|
{
|
|
GLboolean dummy; /* don't remove this! */
|
|
GLboolean dummy_true; /* Set true by _mesa_init_extensions(). */
|
|
GLboolean ANGLE_texture_compression_dxt;
|
|
GLboolean ARB_ES2_compatibility;
|
|
GLboolean ARB_ES3_compatibility;
|
|
GLboolean ARB_ES3_1_compatibility;
|
|
GLboolean ARB_ES3_2_compatibility;
|
|
GLboolean ARB_arrays_of_arrays;
|
|
GLboolean ARB_base_instance;
|
|
GLboolean ARB_bindless_texture;
|
|
GLboolean ARB_blend_func_extended;
|
|
GLboolean ARB_buffer_storage;
|
|
GLboolean ARB_clear_texture;
|
|
GLboolean ARB_clip_control;
|
|
GLboolean ARB_color_buffer_float;
|
|
GLboolean ARB_compatibility;
|
|
GLboolean ARB_compute_shader;
|
|
GLboolean ARB_compute_variable_group_size;
|
|
GLboolean ARB_conditional_render_inverted;
|
|
GLboolean ARB_conservative_depth;
|
|
GLboolean ARB_copy_image;
|
|
GLboolean ARB_cull_distance;
|
|
GLboolean EXT_color_buffer_half_float;
|
|
GLboolean ARB_depth_buffer_float;
|
|
GLboolean ARB_depth_clamp;
|
|
GLboolean ARB_depth_texture;
|
|
GLboolean ARB_derivative_control;
|
|
GLboolean ARB_draw_buffers_blend;
|
|
GLboolean ARB_draw_elements_base_vertex;
|
|
GLboolean ARB_draw_indirect;
|
|
GLboolean ARB_draw_instanced;
|
|
GLboolean ARB_fragment_coord_conventions;
|
|
GLboolean ARB_fragment_layer_viewport;
|
|
GLboolean ARB_fragment_program;
|
|
GLboolean ARB_fragment_program_shadow;
|
|
GLboolean ARB_fragment_shader;
|
|
GLboolean ARB_framebuffer_no_attachments;
|
|
GLboolean ARB_framebuffer_object;
|
|
GLboolean ARB_fragment_shader_interlock;
|
|
GLboolean ARB_enhanced_layouts;
|
|
GLboolean ARB_explicit_attrib_location;
|
|
GLboolean ARB_explicit_uniform_location;
|
|
GLboolean ARB_gl_spirv;
|
|
GLboolean ARB_gpu_shader5;
|
|
GLboolean ARB_gpu_shader_fp64;
|
|
GLboolean ARB_gpu_shader_int64;
|
|
GLboolean ARB_half_float_vertex;
|
|
GLboolean ARB_indirect_parameters;
|
|
GLboolean ARB_instanced_arrays;
|
|
GLboolean ARB_internalformat_query;
|
|
GLboolean ARB_internalformat_query2;
|
|
GLboolean ARB_map_buffer_range;
|
|
GLboolean ARB_occlusion_query;
|
|
GLboolean ARB_occlusion_query2;
|
|
GLboolean ARB_pipeline_statistics_query;
|
|
GLboolean ARB_point_sprite;
|
|
GLboolean ARB_polygon_offset_clamp;
|
|
GLboolean ARB_post_depth_coverage;
|
|
GLboolean ARB_query_buffer_object;
|
|
GLboolean ARB_robust_buffer_access_behavior;
|
|
GLboolean ARB_sample_locations;
|
|
GLboolean ARB_sample_shading;
|
|
GLboolean ARB_seamless_cube_map;
|
|
GLboolean ARB_shader_atomic_counter_ops;
|
|
GLboolean ARB_shader_atomic_counters;
|
|
GLboolean ARB_shader_ballot;
|
|
GLboolean ARB_shader_bit_encoding;
|
|
GLboolean ARB_shader_clock;
|
|
GLboolean ARB_shader_draw_parameters;
|
|
GLboolean ARB_shader_group_vote;
|
|
GLboolean ARB_shader_image_load_store;
|
|
GLboolean ARB_shader_image_size;
|
|
GLboolean ARB_shader_precision;
|
|
GLboolean ARB_shader_stencil_export;
|
|
GLboolean ARB_shader_storage_buffer_object;
|
|
GLboolean ARB_shader_texture_image_samples;
|
|
GLboolean ARB_shader_texture_lod;
|
|
GLboolean ARB_shader_viewport_layer_array;
|
|
GLboolean ARB_shading_language_packing;
|
|
GLboolean ARB_shading_language_420pack;
|
|
GLboolean ARB_shadow;
|
|
GLboolean ARB_sparse_buffer;
|
|
GLboolean ARB_stencil_texturing;
|
|
GLboolean ARB_spirv_extensions;
|
|
GLboolean ARB_sync;
|
|
GLboolean ARB_tessellation_shader;
|
|
GLboolean ARB_texture_border_clamp;
|
|
GLboolean ARB_texture_buffer_object;
|
|
GLboolean ARB_texture_buffer_object_rgb32;
|
|
GLboolean ARB_texture_buffer_range;
|
|
GLboolean ARB_texture_compression_bptc;
|
|
GLboolean ARB_texture_compression_rgtc;
|
|
GLboolean ARB_texture_cube_map;
|
|
GLboolean ARB_texture_cube_map_array;
|
|
GLboolean ARB_texture_env_combine;
|
|
GLboolean ARB_texture_env_crossbar;
|
|
GLboolean ARB_texture_env_dot3;
|
|
GLboolean ARB_texture_filter_anisotropic;
|
|
GLboolean ARB_texture_filter_minmax;
|
|
GLboolean ARB_texture_float;
|
|
GLboolean ARB_texture_gather;
|
|
GLboolean ARB_texture_mirror_clamp_to_edge;
|
|
GLboolean ARB_texture_multisample;
|
|
GLboolean ARB_texture_non_power_of_two;
|
|
GLboolean ARB_texture_stencil8;
|
|
GLboolean ARB_texture_query_levels;
|
|
GLboolean ARB_texture_query_lod;
|
|
GLboolean ARB_texture_rg;
|
|
GLboolean ARB_texture_rgb10_a2ui;
|
|
GLboolean ARB_texture_view;
|
|
GLboolean ARB_timer_query;
|
|
GLboolean ARB_transform_feedback2;
|
|
GLboolean ARB_transform_feedback3;
|
|
GLboolean ARB_transform_feedback_instanced;
|
|
GLboolean ARB_transform_feedback_overflow_query;
|
|
GLboolean ARB_uniform_buffer_object;
|
|
GLboolean ARB_vertex_attrib_64bit;
|
|
GLboolean ARB_vertex_program;
|
|
GLboolean ARB_vertex_shader;
|
|
GLboolean ARB_vertex_type_10f_11f_11f_rev;
|
|
GLboolean ARB_vertex_type_2_10_10_10_rev;
|
|
GLboolean ARB_viewport_array;
|
|
GLboolean EXT_blend_color;
|
|
GLboolean EXT_blend_equation_separate;
|
|
GLboolean EXT_blend_func_separate;
|
|
GLboolean EXT_blend_minmax;
|
|
GLboolean EXT_demote_to_helper_invocation;
|
|
GLboolean EXT_depth_bounds_test;
|
|
GLboolean EXT_disjoint_timer_query;
|
|
GLboolean EXT_draw_buffers2;
|
|
GLboolean EXT_EGL_image_storage;
|
|
GLboolean EXT_float_blend;
|
|
GLboolean EXT_framebuffer_multisample;
|
|
GLboolean EXT_framebuffer_multisample_blit_scaled;
|
|
GLboolean EXT_framebuffer_sRGB;
|
|
GLboolean EXT_gpu_program_parameters;
|
|
GLboolean EXT_gpu_shader4;
|
|
GLboolean EXT_memory_object;
|
|
GLboolean EXT_memory_object_fd;
|
|
GLboolean EXT_multisampled_render_to_texture;
|
|
GLboolean EXT_packed_float;
|
|
GLboolean EXT_pixel_buffer_object;
|
|
GLboolean EXT_point_parameters;
|
|
GLboolean EXT_provoking_vertex;
|
|
GLboolean EXT_render_snorm;
|
|
GLboolean EXT_semaphore;
|
|
GLboolean EXT_semaphore_fd;
|
|
GLboolean EXT_shader_image_load_formatted;
|
|
GLboolean EXT_shader_image_load_store;
|
|
GLboolean EXT_shader_integer_mix;
|
|
GLboolean EXT_shader_samples_identical;
|
|
GLboolean EXT_sRGB;
|
|
GLboolean EXT_stencil_two_side;
|
|
GLboolean EXT_texture_array;
|
|
GLboolean EXT_texture_buffer_object;
|
|
GLboolean EXT_texture_compression_latc;
|
|
GLboolean EXT_texture_compression_s3tc;
|
|
GLboolean EXT_texture_compression_s3tc_srgb;
|
|
GLboolean EXT_texture_env_dot3;
|
|
GLboolean EXT_texture_filter_anisotropic;
|
|
GLboolean EXT_texture_filter_minmax;
|
|
GLboolean EXT_texture_integer;
|
|
GLboolean EXT_texture_mirror_clamp;
|
|
GLboolean EXT_texture_norm16;
|
|
GLboolean EXT_texture_shadow_lod;
|
|
GLboolean EXT_texture_shared_exponent;
|
|
GLboolean EXT_texture_snorm;
|
|
GLboolean EXT_texture_sRGB;
|
|
GLboolean EXT_texture_sRGB_R8;
|
|
GLboolean EXT_texture_sRGB_RG8;
|
|
GLboolean EXT_texture_sRGB_decode;
|
|
GLboolean EXT_texture_swizzle;
|
|
GLboolean EXT_texture_type_2_10_10_10_REV;
|
|
GLboolean EXT_transform_feedback;
|
|
GLboolean EXT_timer_query;
|
|
GLboolean EXT_vertex_array_bgra;
|
|
GLboolean EXT_window_rectangles;
|
|
GLboolean OES_copy_image;
|
|
GLboolean OES_primitive_bounding_box;
|
|
GLboolean OES_sample_variables;
|
|
GLboolean OES_standard_derivatives;
|
|
GLboolean OES_texture_buffer;
|
|
GLboolean OES_texture_cube_map_array;
|
|
GLboolean OES_texture_view;
|
|
GLboolean OES_viewport_array;
|
|
/* vendor extensions */
|
|
GLboolean AMD_compressed_ATC_texture;
|
|
GLboolean AMD_framebuffer_multisample_advanced;
|
|
GLboolean AMD_depth_clamp_separate;
|
|
GLboolean AMD_performance_monitor;
|
|
GLboolean AMD_pinned_memory;
|
|
GLboolean AMD_seamless_cubemap_per_texture;
|
|
GLboolean AMD_vertex_shader_layer;
|
|
GLboolean AMD_vertex_shader_viewport_index;
|
|
GLboolean ANDROID_extension_pack_es31a;
|
|
GLboolean APPLE_object_purgeable;
|
|
GLboolean ATI_meminfo;
|
|
GLboolean ATI_texture_compression_3dc;
|
|
GLboolean ATI_texture_mirror_once;
|
|
GLboolean ATI_texture_env_combine3;
|
|
GLboolean ATI_fragment_shader;
|
|
GLboolean GREMEDY_string_marker;
|
|
GLboolean INTEL_blackhole_render;
|
|
GLboolean INTEL_conservative_rasterization;
|
|
GLboolean INTEL_performance_query;
|
|
GLboolean INTEL_shader_atomic_float_minmax;
|
|
GLboolean INTEL_shader_integer_functions2;
|
|
GLboolean KHR_blend_equation_advanced;
|
|
GLboolean KHR_blend_equation_advanced_coherent;
|
|
GLboolean KHR_robustness;
|
|
GLboolean KHR_texture_compression_astc_hdr;
|
|
GLboolean KHR_texture_compression_astc_ldr;
|
|
GLboolean KHR_texture_compression_astc_sliced_3d;
|
|
GLboolean MESA_framebuffer_flip_y;
|
|
GLboolean MESA_tile_raster_order;
|
|
GLboolean EXT_shader_framebuffer_fetch;
|
|
GLboolean EXT_shader_framebuffer_fetch_non_coherent;
|
|
GLboolean MESA_shader_integer_functions;
|
|
GLboolean MESA_ycbcr_texture;
|
|
GLboolean NV_alpha_to_coverage_dither_control;
|
|
GLboolean NV_compute_shader_derivatives;
|
|
GLboolean NV_conditional_render;
|
|
GLboolean NV_copy_depth_to_color;
|
|
GLboolean NV_copy_image;
|
|
GLboolean NV_fill_rectangle;
|
|
GLboolean NV_fog_distance;
|
|
GLboolean NV_primitive_restart;
|
|
GLboolean NV_shader_atomic_float;
|
|
GLboolean NV_shader_atomic_int64;
|
|
GLboolean NV_texture_barrier;
|
|
GLboolean NV_texture_env_combine4;
|
|
GLboolean NV_texture_rectangle;
|
|
GLboolean NV_vdpau_interop;
|
|
GLboolean NV_conservative_raster;
|
|
GLboolean NV_conservative_raster_dilate;
|
|
GLboolean NV_conservative_raster_pre_snap_triangles;
|
|
GLboolean NV_conservative_raster_pre_snap;
|
|
GLboolean NV_viewport_array2;
|
|
GLboolean NV_viewport_swizzle;
|
|
GLboolean NVX_gpu_memory_info;
|
|
GLboolean TDFX_texture_compression_FXT1;
|
|
GLboolean OES_EGL_image;
|
|
GLboolean OES_draw_texture;
|
|
GLboolean OES_depth_texture_cube_map;
|
|
GLboolean OES_EGL_image_external;
|
|
GLboolean OES_texture_float;
|
|
GLboolean OES_texture_float_linear;
|
|
GLboolean OES_texture_half_float;
|
|
GLboolean OES_texture_half_float_linear;
|
|
GLboolean OES_compressed_ETC1_RGB8_texture;
|
|
GLboolean OES_geometry_shader;
|
|
GLboolean OES_texture_compression_astc;
|
|
GLboolean extension_sentinel;
|
|
/** The extension string */
|
|
const GLubyte *String;
|
|
/** Number of supported extensions */
|
|
GLuint Count;
|
|
/**
|
|
* The context version which extension helper functions compare against.
|
|
* By default, the value is equal to ctx->Version. This changes to ~0
|
|
* while meta is in progress.
|
|
*/
|
|
GLubyte Version;
|
|
};
|
|
|
|
|
|
/**
|
|
* A stack of matrices (projection, modelview, color, texture, etc).
|
|
*/
|
|
struct gl_matrix_stack
|
|
{
|
|
GLmatrix *Top; /**< points into Stack */
|
|
GLmatrix *Stack; /**< array [MaxDepth] of GLmatrix */
|
|
unsigned StackSize; /**< Number of elements in Stack */
|
|
GLuint Depth; /**< 0 <= Depth < MaxDepth */
|
|
GLuint MaxDepth; /**< size of Stack[] array */
|
|
GLuint DirtyFlag; /**< _NEW_MODELVIEW or _NEW_PROJECTION, for example */
|
|
};
|
|
|
|
|
|
/**
|
|
* \name Bits for image transfer operations
|
|
* \sa __struct gl_contextRec::ImageTransferState.
|
|
*/
|
|
/*@{*/
|
|
#define IMAGE_SCALE_BIAS_BIT 0x1
|
|
#define IMAGE_SHIFT_OFFSET_BIT 0x2
|
|
#define IMAGE_MAP_COLOR_BIT 0x4
|
|
#define IMAGE_CLAMP_BIT 0x800
|
|
|
|
|
|
/** Pixel Transfer ops */
|
|
#define IMAGE_BITS (IMAGE_SCALE_BIAS_BIT | \
|
|
IMAGE_SHIFT_OFFSET_BIT | \
|
|
IMAGE_MAP_COLOR_BIT)
|
|
|
|
|
|
/**
|
|
* \name Bits to indicate what state has changed.
|
|
*/
|
|
/*@{*/
|
|
#define _NEW_MODELVIEW (1u << 0) /**< gl_context::ModelView */
|
|
#define _NEW_PROJECTION (1u << 1) /**< gl_context::Projection */
|
|
#define _NEW_TEXTURE_MATRIX (1u << 2) /**< gl_context::TextureMatrix */
|
|
#define _NEW_COLOR (1u << 3) /**< gl_context::Color */
|
|
#define _NEW_DEPTH (1u << 4) /**< gl_context::Depth */
|
|
#define _NEW_TNL_SPACES (1u << 5) /**< _mesa_update_tnl_spaces */
|
|
#define _NEW_FOG (1u << 6) /**< gl_context::Fog */
|
|
#define _NEW_HINT (1u << 7) /**< gl_context::Hint */
|
|
#define _NEW_LIGHT_CONSTANTS (1u << 8) /**< gl_context::Light */
|
|
#define _NEW_LINE (1u << 9) /**< gl_context::Line */
|
|
#define _NEW_PIXEL (1u << 10) /**< gl_context::Pixel */
|
|
#define _NEW_POINT (1u << 11) /**< gl_context::Point */
|
|
#define _NEW_POLYGON (1u << 12) /**< gl_context::Polygon */
|
|
#define _NEW_POLYGONSTIPPLE (1u << 13) /**< gl_context::PolygonStipple */
|
|
#define _NEW_SCISSOR (1u << 14) /**< gl_context::Scissor */
|
|
#define _NEW_STENCIL (1u << 15) /**< gl_context::Stencil */
|
|
#define _NEW_TEXTURE_OBJECT (1u << 16) /**< gl_context::Texture (bindings only) */
|
|
#define _NEW_TRANSFORM (1u << 17) /**< gl_context::Transform */
|
|
#define _NEW_VIEWPORT (1u << 18) /**< gl_context::Viewport */
|
|
#define _NEW_TEXTURE_STATE (1u << 19) /**< gl_context::Texture (states only) */
|
|
#define _NEW_LIGHT_STATE (1u << 20) /**< gl_context::Light */
|
|
#define _NEW_RENDERMODE (1u << 21) /**< gl_context::RenderMode, etc */
|
|
#define _NEW_BUFFERS (1u << 22) /**< gl_context::Visual, DrawBuffer, */
|
|
#define _NEW_CURRENT_ATTRIB (1u << 23) /**< gl_context::Current */
|
|
#define _NEW_MULTISAMPLE (1u << 24) /**< gl_context::Multisample */
|
|
#define _NEW_TRACK_MATRIX (1u << 25) /**< gl_context::VertexProgram */
|
|
#define _NEW_PROGRAM (1u << 26) /**< New program/shader state */
|
|
#define _NEW_PROGRAM_CONSTANTS (1u << 27)
|
|
#define _NEW_FF_VERT_PROGRAM (1u << 28)
|
|
#define _NEW_FRAG_CLAMP (1u << 29)
|
|
#define _NEW_MATERIAL (1u << 30) /**< gl_context::Light.Material */
|
|
#define _NEW_FF_FRAG_PROGRAM (1u << 31)
|
|
#define _NEW_ALL ~0
|
|
/*@}*/
|
|
|
|
|
|
/**
|
|
* Composite state flags, deprecated and inefficient, do not use.
|
|
*/
|
|
/*@{*/
|
|
#define _NEW_LIGHT (_NEW_LIGHT_CONSTANTS | /* state parameters */ \
|
|
_NEW_LIGHT_STATE | /* rasterizer state */ \
|
|
_NEW_MATERIAL | /* light materials */ \
|
|
_NEW_FF_VERT_PROGRAM | \
|
|
_NEW_FF_FRAG_PROGRAM)
|
|
|
|
#define _NEW_TEXTURE (_NEW_TEXTURE_OBJECT | _NEW_TEXTURE_STATE | \
|
|
_NEW_FF_VERT_PROGRAM | _NEW_FF_FRAG_PROGRAM)
|
|
|
|
#define _MESA_NEW_NEED_EYE_COORDS (_NEW_FF_VERT_PROGRAM | \
|
|
_NEW_FF_FRAG_PROGRAM | \
|
|
_NEW_LIGHT_CONSTANTS | \
|
|
_NEW_TEXTURE_STATE | \
|
|
_NEW_POINT | \
|
|
_NEW_PROGRAM | \
|
|
_NEW_MODELVIEW)
|
|
|
|
#define _MESA_NEW_SEPARATE_SPECULAR (_NEW_LIGHT | \
|
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_NEW_FOG | \
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_NEW_PROGRAM)
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/*@}*/
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/* This has to be included here. */
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#include "dd.h"
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/** Opaque declaration of display list payload data type */
|
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union gl_dlist_node;
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/**
|
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* Per-display list information.
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*/
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struct gl_display_list
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|
{
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|
GLuint Name;
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bool small_list;
|
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/* If small_list and begins_with_a_nop are true, this means
|
|
* the 'start' has been incremented to skip a NOP at the
|
|
* beginning.
|
|
*/
|
|
bool begins_with_a_nop;
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GLchar *Label; /**< GL_KHR_debug */
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/** The dlist commands are in a linked list of nodes */
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union {
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/* Big lists allocate their own storage */
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union gl_dlist_node *Head;
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/* Small lists use ctx->Shared->small_dlist_store */
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struct {
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unsigned start;
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unsigned count;
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};
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};
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};
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/**
|
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* State used during display list compilation and execution.
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*/
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struct gl_dlist_state
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|
{
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|
struct gl_display_list *CurrentList; /**< List currently being compiled */
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union gl_dlist_node *CurrentBlock; /**< Pointer to current block of nodes */
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GLuint CurrentPos; /**< Index into current block of nodes */
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GLuint CallDepth; /**< Current recursion calling depth */
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GLvertexformat ListVtxfmt;
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GLubyte ActiveAttribSize[VERT_ATTRIB_MAX];
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uint32_t CurrentAttrib[VERT_ATTRIB_MAX][8];
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GLubyte ActiveMaterialSize[MAT_ATTRIB_MAX];
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GLfloat CurrentMaterial[MAT_ATTRIB_MAX][4];
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struct {
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|
/* State known to have been set by the currently-compiling display
|
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* list. Used to eliminate some redundant state changes.
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|
*/
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GLenum16 ShadeModel;
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bool UseLoopback;
|
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} Current;
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};
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/**
|
|
* Driver-specific state flags.
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*
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|
* These are or'd with gl_context::NewDriverState to notify a driver about
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* a state change. The driver sets the flags at context creation and
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* the meaning of the bits set is opaque to core Mesa.
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*/
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struct gl_driver_flags
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{
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/** gl_context::Array::_DrawArrays (vertex array state) */
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uint64_t NewArray;
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/** gl_context::TransformFeedback::CurrentObject */
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uint64_t NewTransformFeedback;
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/** gl_context::TransformFeedback::CurrentObject::shader_program */
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uint64_t NewTransformFeedbackProg;
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/** gl_context::RasterDiscard */
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uint64_t NewRasterizerDiscard;
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/** gl_context::TileRasterOrder* */
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uint64_t NewTileRasterOrder;
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/**
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* gl_context::UniformBufferBindings
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* gl_shader_program::UniformBlocks
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*/
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uint64_t NewUniformBuffer;
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|
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/**
|
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* gl_context::ShaderStorageBufferBindings
|
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* gl_shader_program::ShaderStorageBlocks
|
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*/
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uint64_t NewShaderStorageBuffer;
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uint64_t NewTextureBuffer;
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/**
|
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* gl_context::AtomicBufferBindings
|
|
*/
|
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uint64_t NewAtomicBuffer;
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|
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/**
|
|
* gl_context::ImageUnits
|
|
*/
|
|
uint64_t NewImageUnits;
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|
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/**
|
|
* gl_context::TessCtrlProgram::patch_default_*
|
|
* gl_context::TessCtrlProgram::patch_vertices
|
|
*/
|
|
uint64_t NewTessState;
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|
|
/**
|
|
* gl_context::IntelConservativeRasterization
|
|
*/
|
|
uint64_t NewIntelConservativeRasterization;
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|
|
/**
|
|
* gl_context::NvConservativeRasterization
|
|
*/
|
|
uint64_t NewNvConservativeRasterization;
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|
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/**
|
|
* gl_context::ConservativeRasterMode/ConservativeRasterDilate
|
|
* gl_context::SubpixelPrecisionBias
|
|
*/
|
|
uint64_t NewNvConservativeRasterizationParams;
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|
|
|
/**
|
|
* gl_context::Scissor::WindowRects
|
|
*/
|
|
uint64_t NewWindowRectangles;
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|
|
/** gl_context::Color::sRGBEnabled */
|
|
uint64_t NewFramebufferSRGB;
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|
|
|
/** gl_context::Scissor::EnableFlags */
|
|
uint64_t NewScissorTest;
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|
|
/** gl_context::Scissor::ScissorArray */
|
|
uint64_t NewScissorRect;
|
|
|
|
/** gl_context::Color::Alpha* */
|
|
uint64_t NewAlphaTest;
|
|
|
|
/** gl_context::Color::Blend/Dither */
|
|
uint64_t NewBlend;
|
|
|
|
/** gl_context::Color::BlendColor */
|
|
uint64_t NewBlendColor;
|
|
|
|
/** gl_context::Color::Color/Index */
|
|
uint64_t NewColorMask;
|
|
|
|
/** gl_context::Depth */
|
|
uint64_t NewDepth;
|
|
|
|
/** gl_context::Color::LogicOp/ColorLogicOp/IndexLogicOp */
|
|
uint64_t NewLogicOp;
|
|
|
|
/** gl_context::Multisample::Enabled */
|
|
uint64_t NewMultisampleEnable;
|
|
|
|
/** gl_context::Multisample::SampleAlphaTo* */
|
|
uint64_t NewSampleAlphaToXEnable;
|
|
|
|
/** gl_context::Multisample::SampleCoverage/SampleMaskValue */
|
|
uint64_t NewSampleMask;
|
|
|
|
/** gl_context::Multisample::(Min)SampleShading */
|
|
uint64_t NewSampleShading;
|
|
|
|
/** gl_context::Stencil */
|
|
uint64_t NewStencil;
|
|
|
|
/** gl_context::Transform::ClipOrigin/ClipDepthMode */
|
|
uint64_t NewClipControl;
|
|
|
|
/** gl_context::Transform::EyeUserPlane */
|
|
uint64_t NewClipPlane;
|
|
|
|
/** gl_context::Transform::ClipPlanesEnabled */
|
|
uint64_t NewClipPlaneEnable;
|
|
|
|
/** gl_context::Color::ClampFragmentColor */
|
|
uint64_t NewFragClamp;
|
|
|
|
/** gl_context::Transform::DepthClamp */
|
|
uint64_t NewDepthClamp;
|
|
|
|
/** gl_context::Line */
|
|
uint64_t NewLineState;
|
|
|
|
/** gl_context::Polygon */
|
|
uint64_t NewPolygonState;
|
|
|
|
/** gl_context::PolygonStipple */
|
|
uint64_t NewPolygonStipple;
|
|
|
|
/** gl_context::ViewportArray */
|
|
uint64_t NewViewport;
|
|
|
|
/** Shader constants (uniforms, program parameters, state constants) */
|
|
uint64_t NewShaderConstants[MESA_SHADER_STAGES];
|
|
|
|
/** Programmable sample location state for gl_context::DrawBuffer */
|
|
uint64_t NewSampleLocations;
|
|
|
|
/** For GL_CLAMP emulation */
|
|
uint64_t NewSamplersWithClamp;
|
|
};
|
|
|
|
struct gl_buffer_binding
|
|
{
|
|
struct gl_buffer_object *BufferObject;
|
|
/** Start of uniform block data in the buffer */
|
|
GLintptr Offset;
|
|
/** Size of data allowed to be referenced from the buffer (in bytes) */
|
|
GLsizeiptr Size;
|
|
/**
|
|
* glBindBufferBase() indicates that the Size should be ignored and only
|
|
* limited by the current size of the BufferObject.
|
|
*/
|
|
GLboolean AutomaticSize;
|
|
};
|
|
|
|
/**
|
|
* ARB_shader_image_load_store image unit.
|
|
*/
|
|
struct gl_image_unit
|
|
{
|
|
/**
|
|
* Texture object bound to this unit.
|
|
*/
|
|
struct gl_texture_object *TexObj;
|
|
|
|
/**
|
|
* Level of the texture object bound to this unit.
|
|
*/
|
|
GLubyte Level;
|
|
|
|
/**
|
|
* \c GL_TRUE if the whole level is bound as an array of layers, \c
|
|
* GL_FALSE if only some specific layer of the texture is bound.
|
|
* \sa Layer
|
|
*/
|
|
GLboolean Layered;
|
|
|
|
/**
|
|
* Layer of the texture object bound to this unit as specified by the
|
|
* application.
|
|
*/
|
|
GLushort Layer;
|
|
|
|
/**
|
|
* Layer of the texture object bound to this unit, or zero if
|
|
* Layered == false.
|
|
*/
|
|
GLushort _Layer;
|
|
|
|
/**
|
|
* Access allowed to this texture image. Either \c GL_READ_ONLY,
|
|
* \c GL_WRITE_ONLY or \c GL_READ_WRITE.
|
|
*/
|
|
GLenum16 Access;
|
|
|
|
/**
|
|
* GL internal format that determines the interpretation of the
|
|
* image memory when shader image operations are performed through
|
|
* this unit.
|
|
*/
|
|
GLenum16 Format;
|
|
|
|
/**
|
|
* Mesa format corresponding to \c Format.
|
|
*/
|
|
mesa_format _ActualFormat:16;
|
|
};
|
|
|
|
/**
|
|
* Shader subroutines storage
|
|
*/
|
|
struct gl_subroutine_index_binding
|
|
{
|
|
GLuint NumIndex;
|
|
GLuint *IndexPtr;
|
|
};
|
|
|
|
struct gl_texture_handle_object
|
|
{
|
|
struct gl_texture_object *texObj;
|
|
struct gl_sampler_object *sampObj;
|
|
GLuint64 handle;
|
|
};
|
|
|
|
struct gl_image_handle_object
|
|
{
|
|
struct gl_image_unit imgObj;
|
|
GLuint64 handle;
|
|
};
|
|
|
|
struct gl_memory_object
|
|
{
|
|
GLuint Name; /**< hash table ID/name */
|
|
GLboolean Immutable; /**< denotes mutability state of parameters */
|
|
GLboolean Dedicated; /**< import memory from a dedicated allocation */
|
|
};
|
|
|
|
struct gl_semaphore_object
|
|
{
|
|
GLuint Name; /**< hash table ID/name */
|
|
};
|
|
|
|
/**
|
|
* One element of the client attrib stack.
|
|
*/
|
|
struct gl_client_attrib_node
|
|
{
|
|
GLbitfield Mask;
|
|
struct gl_array_attrib Array;
|
|
struct gl_vertex_array_object VAO;
|
|
struct gl_pixelstore_attrib Pack;
|
|
struct gl_pixelstore_attrib Unpack;
|
|
};
|
|
|
|
/**
|
|
* The VBO module implemented in src/vbo.
|
|
*/
|
|
struct vbo_context {
|
|
struct gl_vertex_buffer_binding binding;
|
|
struct gl_array_attributes current[VBO_ATTRIB_MAX];
|
|
|
|
struct gl_vertex_array_object *VAO;
|
|
|
|
struct vbo_exec_context exec;
|
|
struct vbo_save_context save;
|
|
};
|
|
|
|
/**
|
|
* glEnable node for the attribute stack. (glPushAttrib/glPopAttrib)
|
|
*/
|
|
struct gl_enable_attrib_node
|
|
{
|
|
GLboolean AlphaTest;
|
|
GLboolean AutoNormal;
|
|
GLboolean Blend;
|
|
GLbitfield ClipPlanes;
|
|
GLboolean ColorMaterial;
|
|
GLboolean CullFace;
|
|
GLboolean DepthClampNear;
|
|
GLboolean DepthClampFar;
|
|
GLboolean DepthTest;
|
|
GLboolean Dither;
|
|
GLboolean Fog;
|
|
GLboolean Light[MAX_LIGHTS];
|
|
GLboolean Lighting;
|
|
GLboolean LineSmooth;
|
|
GLboolean LineStipple;
|
|
GLboolean IndexLogicOp;
|
|
GLboolean ColorLogicOp;
|
|
|
|
GLboolean Map1Color4;
|
|
GLboolean Map1Index;
|
|
GLboolean Map1Normal;
|
|
GLboolean Map1TextureCoord1;
|
|
GLboolean Map1TextureCoord2;
|
|
GLboolean Map1TextureCoord3;
|
|
GLboolean Map1TextureCoord4;
|
|
GLboolean Map1Vertex3;
|
|
GLboolean Map1Vertex4;
|
|
GLboolean Map2Color4;
|
|
GLboolean Map2Index;
|
|
GLboolean Map2Normal;
|
|
GLboolean Map2TextureCoord1;
|
|
GLboolean Map2TextureCoord2;
|
|
GLboolean Map2TextureCoord3;
|
|
GLboolean Map2TextureCoord4;
|
|
GLboolean Map2Vertex3;
|
|
GLboolean Map2Vertex4;
|
|
|
|
GLboolean Normalize;
|
|
GLboolean PixelTexture;
|
|
GLboolean PointSmooth;
|
|
GLboolean PolygonOffsetPoint;
|
|
GLboolean PolygonOffsetLine;
|
|
GLboolean PolygonOffsetFill;
|
|
GLboolean PolygonSmooth;
|
|
GLboolean PolygonStipple;
|
|
GLboolean RescaleNormals;
|
|
GLbitfield Scissor;
|
|
GLboolean Stencil;
|
|
GLboolean StencilTwoSide; /* GL_EXT_stencil_two_side */
|
|
GLboolean MultisampleEnabled; /* GL_ARB_multisample */
|
|
GLboolean SampleAlphaToCoverage; /* GL_ARB_multisample */
|
|
GLboolean SampleAlphaToOne; /* GL_ARB_multisample */
|
|
GLboolean SampleCoverage; /* GL_ARB_multisample */
|
|
GLboolean RasterPositionUnclipped; /* GL_IBM_rasterpos_clip */
|
|
|
|
GLbitfield Texture[MAX_TEXTURE_UNITS];
|
|
GLbitfield TexGen[MAX_TEXTURE_UNITS];
|
|
|
|
/* GL_ARB_vertex_program */
|
|
GLboolean VertexProgram;
|
|
GLboolean VertexProgramPointSize;
|
|
GLboolean VertexProgramTwoSide;
|
|
|
|
/* GL_ARB_fragment_program */
|
|
GLboolean FragmentProgram;
|
|
|
|
/* GL_ARB_point_sprite */
|
|
GLboolean PointSprite;
|
|
GLboolean FragmentShaderATI;
|
|
|
|
/* GL_ARB_framebuffer_sRGB / GL_EXT_framebuffer_sRGB */
|
|
GLboolean sRGBEnabled;
|
|
|
|
/* GL_NV_conservative_raster */
|
|
GLboolean ConservativeRasterization;
|
|
};
|
|
|
|
/**
|
|
* Texture node for the attribute stack. (glPushAttrib/glPopAttrib)
|
|
*/
|
|
struct gl_texture_attrib_node
|
|
{
|
|
GLuint CurrentUnit; /**< GL_ACTIVE_TEXTURE */
|
|
GLuint NumTexSaved;
|
|
struct gl_fixedfunc_texture_unit FixedFuncUnit[MAX_TEXTURE_COORD_UNITS];
|
|
GLfloat LodBias[MAX_TEXTURE_UNITS];
|
|
float LodBiasQuantized[MAX_TEXTURE_UNITS];
|
|
|
|
/** Saved default texture object state. */
|
|
struct gl_texture_object SavedDefaultObj[NUM_TEXTURE_TARGETS];
|
|
|
|
/* For saving per texture object state (wrap modes, filters, etc),
|
|
* SavedObj[][].Target is unused, so the value is invalid.
|
|
*/
|
|
struct gl_texture_object SavedObj[MAX_TEXTURE_UNITS][NUM_TEXTURE_TARGETS];
|
|
};
|
|
|
|
|
|
/**
|
|
* Node for the attribute stack. (glPushAttrib/glPopAttrib)
|
|
*/
|
|
struct gl_attrib_node
|
|
{
|
|
GLbitfield Mask;
|
|
GLbitfield OldPopAttribStateMask;
|
|
struct gl_accum_attrib Accum;
|
|
struct gl_colorbuffer_attrib Color;
|
|
struct gl_current_attrib Current;
|
|
struct gl_depthbuffer_attrib Depth;
|
|
struct gl_enable_attrib_node Enable;
|
|
struct gl_eval_attrib Eval;
|
|
struct gl_fog_attrib Fog;
|
|
struct gl_hint_attrib Hint;
|
|
struct gl_light_attrib Light;
|
|
struct gl_line_attrib Line;
|
|
struct gl_list_attrib List;
|
|
struct gl_pixel_attrib Pixel;
|
|
struct gl_point_attrib Point;
|
|
struct gl_polygon_attrib Polygon;
|
|
GLuint PolygonStipple[32];
|
|
struct gl_scissor_attrib Scissor;
|
|
struct gl_stencil_attrib Stencil;
|
|
struct gl_transform_attrib Transform;
|
|
struct gl_multisample_attrib Multisample;
|
|
struct gl_texture_attrib_node Texture;
|
|
|
|
struct viewport_state
|
|
{
|
|
struct gl_viewport_attrib ViewportArray[MAX_VIEWPORTS];
|
|
GLuint SubpixelPrecisionBias[2];
|
|
} Viewport;
|
|
};
|
|
|
|
/**
|
|
* Mesa rendering context.
|
|
*
|
|
* This is the central context data structure for Mesa. Almost all
|
|
* OpenGL state is contained in this structure.
|
|
* Think of this as a base class from which device drivers will derive
|
|
* sub classes.
|
|
*/
|
|
struct gl_context
|
|
{
|
|
/** State possibly shared with other contexts in the address space */
|
|
struct gl_shared_state *Shared;
|
|
|
|
/** Whether Shared->BufferObjects has already been locked for this context. */
|
|
bool BufferObjectsLocked;
|
|
/** Whether Shared->TexMutex has already been locked for this context. */
|
|
bool TexturesLocked;
|
|
|
|
/** \name API function pointer tables */
|
|
/*@{*/
|
|
gl_api API;
|
|
|
|
/**
|
|
* The current dispatch table for non-displaylist-saving execution, either
|
|
* BeginEnd or OutsideBeginEnd
|
|
*/
|
|
struct _glapi_table *Exec;
|
|
/**
|
|
* The normal dispatch table for non-displaylist-saving, non-begin/end
|
|
*/
|
|
struct _glapi_table *OutsideBeginEnd;
|
|
/** The dispatch table used between glNewList() and glEndList() */
|
|
struct _glapi_table *Save;
|
|
/**
|
|
* The dispatch table used between glBegin() and glEnd() (outside of a
|
|
* display list). Only valid functions between those two are set, which is
|
|
* mostly just the set in a GLvertexformat struct.
|
|
*/
|
|
struct _glapi_table *BeginEnd;
|
|
/**
|
|
* Dispatch table for when a graphics reset has happened.
|
|
*/
|
|
struct _glapi_table *ContextLost;
|
|
/**
|
|
* Dispatch table used to marshal API calls from the client program to a
|
|
* separate server thread. NULL if API calls are not being marshalled to
|
|
* another thread.
|
|
*/
|
|
struct _glapi_table *MarshalExec;
|
|
/**
|
|
* Dispatch table currently in use for fielding API calls from the client
|
|
* program. If API calls are being marshalled to another thread, this ==
|
|
* MarshalExec. Otherwise it == CurrentServerDispatch.
|
|
*/
|
|
struct _glapi_table *CurrentClientDispatch;
|
|
|
|
/**
|
|
* Dispatch table currently in use for performing API calls. == Save or
|
|
* Exec.
|
|
*/
|
|
struct _glapi_table *CurrentServerDispatch;
|
|
|
|
/*@}*/
|
|
|
|
struct glthread_state GLThread;
|
|
|
|
struct gl_config Visual;
|
|
struct gl_framebuffer *DrawBuffer; /**< buffer for writing */
|
|
struct gl_framebuffer *ReadBuffer; /**< buffer for reading */
|
|
struct gl_framebuffer *WinSysDrawBuffer; /**< set with MakeCurrent */
|
|
struct gl_framebuffer *WinSysReadBuffer; /**< set with MakeCurrent */
|
|
|
|
/**
|
|
* Device driver function pointer table
|
|
*/
|
|
struct dd_function_table Driver;
|
|
|
|
/** Core/Driver constants */
|
|
struct gl_constants Const;
|
|
|
|
/**
|
|
* Bitmask of valid primitive types supported by this context type,
|
|
* GL version, and extensions, not taking current states into account.
|
|
* Current states can further reduce the final bitmask at draw time.
|
|
*/
|
|
GLbitfield SupportedPrimMask;
|
|
|
|
/**
|
|
* Bitmask of valid primitive types depending on current states (such as
|
|
* shaders). This is 0 if the current states should result in
|
|
* GL_INVALID_OPERATION in draw calls.
|
|
*/
|
|
GLbitfield ValidPrimMask;
|
|
|
|
GLenum16 DrawGLError; /**< GL error to return from draw calls */
|
|
|
|
/**
|
|
* Same as ValidPrimMask, but should be applied to glDrawElements*.
|
|
*/
|
|
GLbitfield ValidPrimMaskIndexed;
|
|
|
|
/**
|
|
* Whether DrawPixels/CopyPixels/Bitmap are valid to render.
|
|
*/
|
|
bool DrawPixValid;
|
|
|
|
/** \name The various 4x4 matrix stacks */
|
|
/*@{*/
|
|
struct gl_matrix_stack ModelviewMatrixStack;
|
|
struct gl_matrix_stack ProjectionMatrixStack;
|
|
struct gl_matrix_stack TextureMatrixStack[MAX_TEXTURE_UNITS];
|
|
struct gl_matrix_stack ProgramMatrixStack[MAX_PROGRAM_MATRICES];
|
|
struct gl_matrix_stack *CurrentStack; /**< Points to one of the above stacks */
|
|
/*@}*/
|
|
|
|
/** Combined modelview and projection matrix */
|
|
GLmatrix _ModelProjectMatrix;
|
|
|
|
/** \name Display lists */
|
|
struct gl_dlist_state ListState;
|
|
|
|
GLboolean ExecuteFlag; /**< Execute GL commands? */
|
|
GLboolean CompileFlag; /**< Compile GL commands into display list? */
|
|
|
|
/** Extension information */
|
|
struct gl_extensions Extensions;
|
|
|
|
/** GL version integer, for example 31 for GL 3.1, or 20 for GLES 2.0. */
|
|
GLuint Version;
|
|
char *VersionString;
|
|
|
|
/** \name State attribute stack (for glPush/PopAttrib) */
|
|
/*@{*/
|
|
GLuint AttribStackDepth;
|
|
struct gl_attrib_node *AttribStack[MAX_ATTRIB_STACK_DEPTH];
|
|
/*@}*/
|
|
|
|
/** \name Renderer attribute groups
|
|
*
|
|
* We define a struct for each attribute group to make pushing and popping
|
|
* attributes easy. Also it's a good organization.
|
|
*/
|
|
/*@{*/
|
|
struct gl_accum_attrib Accum; /**< Accum buffer attributes */
|
|
struct gl_colorbuffer_attrib Color; /**< Color buffer attributes */
|
|
struct gl_current_attrib Current; /**< Current attributes */
|
|
struct gl_depthbuffer_attrib Depth; /**< Depth buffer attributes */
|
|
struct gl_eval_attrib Eval; /**< Eval attributes */
|
|
struct gl_fog_attrib Fog; /**< Fog attributes */
|
|
struct gl_hint_attrib Hint; /**< Hint attributes */
|
|
struct gl_light_attrib Light; /**< Light attributes */
|
|
struct gl_line_attrib Line; /**< Line attributes */
|
|
struct gl_list_attrib List; /**< List attributes */
|
|
struct gl_multisample_attrib Multisample;
|
|
struct gl_pixel_attrib Pixel; /**< Pixel attributes */
|
|
struct gl_point_attrib Point; /**< Point attributes */
|
|
struct gl_polygon_attrib Polygon; /**< Polygon attributes */
|
|
GLuint PolygonStipple[32]; /**< Polygon stipple */
|
|
struct gl_scissor_attrib Scissor; /**< Scissor attributes */
|
|
struct gl_stencil_attrib Stencil; /**< Stencil buffer attributes */
|
|
struct gl_texture_attrib Texture; /**< Texture attributes */
|
|
struct gl_transform_attrib Transform; /**< Transformation attributes */
|
|
struct gl_viewport_attrib ViewportArray[MAX_VIEWPORTS]; /**< Viewport attributes */
|
|
GLuint SubpixelPrecisionBias[2]; /**< Viewport attributes */
|
|
/*@}*/
|
|
|
|
/** \name Client attribute stack */
|
|
/*@{*/
|
|
GLuint ClientAttribStackDepth;
|
|
struct gl_client_attrib_node ClientAttribStack[MAX_CLIENT_ATTRIB_STACK_DEPTH];
|
|
/*@}*/
|
|
|
|
/** \name Client attribute groups */
|
|
/*@{*/
|
|
struct gl_array_attrib Array; /**< Vertex arrays */
|
|
struct gl_pixelstore_attrib Pack; /**< Pixel packing */
|
|
struct gl_pixelstore_attrib Unpack; /**< Pixel unpacking */
|
|
struct gl_pixelstore_attrib DefaultPacking; /**< Default params */
|
|
/*@}*/
|
|
|
|
/** \name Other assorted state (not pushed/popped on attribute stack) */
|
|
/*@{*/
|
|
struct gl_pixelmaps PixelMaps;
|
|
|
|
struct gl_evaluators EvalMap; /**< All evaluators */
|
|
struct gl_feedback Feedback; /**< Feedback */
|
|
struct gl_selection Select; /**< Selection */
|
|
|
|
struct gl_program_state Program; /**< general program state */
|
|
struct gl_vertex_program_state VertexProgram;
|
|
struct gl_fragment_program_state FragmentProgram;
|
|
struct gl_geometry_program_state GeometryProgram;
|
|
struct gl_compute_program_state ComputeProgram;
|
|
struct gl_tess_ctrl_program_state TessCtrlProgram;
|
|
struct gl_tess_eval_program_state TessEvalProgram;
|
|
struct gl_ati_fragment_shader_state ATIFragmentShader;
|
|
|
|
struct gl_pipeline_shader_state Pipeline; /**< GLSL pipeline shader object state */
|
|
struct gl_pipeline_object Shader; /**< GLSL shader object state */
|
|
|
|
/**
|
|
* Current active shader pipeline state
|
|
*
|
|
* Almost all internal users want ::_Shader instead of ::Shader. The
|
|
* exceptions are bits of legacy GLSL API that do not know about separate
|
|
* shader objects.
|
|
*
|
|
* If a program is active via \c glUseProgram, this will point to
|
|
* \c ::Shader.
|
|
*
|
|
* If a program pipeline is active via \c glBindProgramPipeline, this will
|
|
* point to \c ::Pipeline.Current.
|
|
*
|
|
* If neither a program nor a program pipeline is active, this will point to
|
|
* \c ::Pipeline.Default. This ensures that \c ::_Shader will never be
|
|
* \c NULL.
|
|
*/
|
|
struct gl_pipeline_object *_Shader;
|
|
|
|
/**
|
|
* NIR containing the functions that implement software fp64 support.
|
|
*/
|
|
struct nir_shader *SoftFP64;
|
|
|
|
struct gl_query_state Query; /**< occlusion, timer queries */
|
|
|
|
struct gl_transform_feedback_state TransformFeedback;
|
|
|
|
struct gl_perf_monitor_state PerfMonitor;
|
|
struct gl_perf_query_state PerfQuery;
|
|
|
|
struct gl_buffer_object *DrawIndirectBuffer; /** < GL_ARB_draw_indirect */
|
|
struct gl_buffer_object *ParameterBuffer; /** < GL_ARB_indirect_parameters */
|
|
struct gl_buffer_object *DispatchIndirectBuffer; /** < GL_ARB_compute_shader */
|
|
|
|
struct gl_buffer_object *CopyReadBuffer; /**< GL_ARB_copy_buffer */
|
|
struct gl_buffer_object *CopyWriteBuffer; /**< GL_ARB_copy_buffer */
|
|
|
|
struct gl_buffer_object *QueryBuffer; /**< GL_ARB_query_buffer_object */
|
|
|
|
/**
|
|
* Current GL_ARB_uniform_buffer_object binding referenced by
|
|
* GL_UNIFORM_BUFFER target for glBufferData, glMapBuffer, etc.
|
|
*/
|
|
struct gl_buffer_object *UniformBuffer;
|
|
|
|
/**
|
|
* Current GL_ARB_shader_storage_buffer_object binding referenced by
|
|
* GL_SHADER_STORAGE_BUFFER target for glBufferData, glMapBuffer, etc.
|
|
*/
|
|
struct gl_buffer_object *ShaderStorageBuffer;
|
|
|
|
/**
|
|
* Array of uniform buffers for GL_ARB_uniform_buffer_object and GL 3.1.
|
|
* This is set up using glBindBufferRange() or glBindBufferBase(). They are
|
|
* associated with uniform blocks by glUniformBlockBinding()'s state in the
|
|
* shader program.
|
|
*/
|
|
struct gl_buffer_binding
|
|
UniformBufferBindings[MAX_COMBINED_UNIFORM_BUFFERS];
|
|
|
|
/**
|
|
* Array of shader storage buffers for ARB_shader_storage_buffer_object
|
|
* and GL 4.3. This is set up using glBindBufferRange() or
|
|
* glBindBufferBase(). They are associated with shader storage blocks by
|
|
* glShaderStorageBlockBinding()'s state in the shader program.
|
|
*/
|
|
struct gl_buffer_binding
|
|
ShaderStorageBufferBindings[MAX_COMBINED_SHADER_STORAGE_BUFFERS];
|
|
|
|
/**
|
|
* Object currently associated with the GL_ATOMIC_COUNTER_BUFFER
|
|
* target.
|
|
*/
|
|
struct gl_buffer_object *AtomicBuffer;
|
|
|
|
/**
|
|
* Object currently associated w/ the GL_EXTERNAL_VIRTUAL_MEMORY_BUFFER_AMD
|
|
* target.
|
|
*/
|
|
struct gl_buffer_object *ExternalVirtualMemoryBuffer;
|
|
|
|
/**
|
|
* Array of atomic counter buffer binding points.
|
|
*/
|
|
struct gl_buffer_binding
|
|
AtomicBufferBindings[MAX_COMBINED_ATOMIC_BUFFERS];
|
|
|
|
/**
|
|
* Array of image units for ARB_shader_image_load_store.
|
|
*/
|
|
struct gl_image_unit ImageUnits[MAX_IMAGE_UNITS];
|
|
|
|
struct gl_subroutine_index_binding SubroutineIndex[MESA_SHADER_STAGES];
|
|
/*@}*/
|
|
|
|
struct gl_meta_state *Meta; /**< for "meta" operations */
|
|
|
|
/* GL_EXT_framebuffer_object */
|
|
struct gl_renderbuffer *CurrentRenderbuffer;
|
|
|
|
GLenum16 ErrorValue; /**< Last error code */
|
|
|
|
/**
|
|
* Recognize and silence repeated error debug messages in buggy apps.
|
|
*/
|
|
const char *ErrorDebugFmtString;
|
|
GLuint ErrorDebugCount;
|
|
|
|
/* GL_ARB_debug_output/GL_KHR_debug */
|
|
simple_mtx_t DebugMutex;
|
|
struct gl_debug_state *Debug;
|
|
|
|
GLenum16 RenderMode; /**< either GL_RENDER, GL_SELECT, GL_FEEDBACK */
|
|
GLbitfield NewState; /**< bitwise-or of _NEW_* flags */
|
|
GLbitfield PopAttribState; /**< Updated state since glPushAttrib */
|
|
uint64_t NewDriverState; /**< bitwise-or of flags from DriverFlags */
|
|
|
|
struct gl_driver_flags DriverFlags;
|
|
|
|
GLboolean ViewportInitialized; /**< has viewport size been initialized? */
|
|
GLboolean _AllowDrawOutOfOrder;
|
|
|
|
/** \name Derived state */
|
|
GLbitfield _ImageTransferState;/**< bitwise-or of IMAGE_*_BIT flags */
|
|
GLfloat _EyeZDir[3];
|
|
GLfloat _ModelViewInvScale; /* may be for model- or eyespace lighting */
|
|
GLfloat _ModelViewInvScaleEyespace; /* always factor defined in spec */
|
|
GLboolean _NeedEyeCoords;
|
|
GLboolean _ForceEyeCoords;
|
|
|
|
GLuint TextureStateTimestamp; /**< detect changes to shared state */
|
|
|
|
/** \name For debugging/development only */
|
|
/*@{*/
|
|
GLboolean FirstTimeCurrent;
|
|
/*@}*/
|
|
|
|
/**
|
|
* False if this context was created without a config. This is needed
|
|
* because the initial state of glDrawBuffers depends on this
|
|
*/
|
|
GLboolean HasConfig;
|
|
|
|
GLboolean TextureFormatSupported[MESA_FORMAT_COUNT];
|
|
|
|
GLboolean RasterDiscard; /**< GL_RASTERIZER_DISCARD */
|
|
GLboolean IntelConservativeRasterization; /**< GL_CONSERVATIVE_RASTERIZATION_INTEL */
|
|
GLboolean ConservativeRasterization; /**< GL_CONSERVATIVE_RASTERIZATION_NV */
|
|
GLfloat ConservativeRasterDilate;
|
|
GLenum16 ConservativeRasterMode;
|
|
|
|
GLboolean IntelBlackholeRender; /**< GL_INTEL_blackhole_render */
|
|
|
|
/** Does glVertexAttrib(0) alias glVertex()? */
|
|
bool _AttribZeroAliasesVertex;
|
|
|
|
/**
|
|
* When set, TileRasterOrderIncreasingX/Y control the order that a tiled
|
|
* renderer's tiles should be excecuted, to meet the requirements of
|
|
* GL_MESA_tile_raster_order.
|
|
*/
|
|
GLboolean TileRasterOrderFixed;
|
|
GLboolean TileRasterOrderIncreasingX;
|
|
GLboolean TileRasterOrderIncreasingY;
|
|
|
|
/**
|
|
* \name Hooks for module contexts.
|
|
*
|
|
* These will eventually live in the driver or elsewhere.
|
|
*/
|
|
/*@{*/
|
|
void *swrast_context;
|
|
void *swsetup_context;
|
|
void *swtnl_context;
|
|
struct vbo_context vbo_context;
|
|
struct st_context *st;
|
|
/*@}*/
|
|
|
|
/**
|
|
* \name NV_vdpau_interop
|
|
*/
|
|
/*@{*/
|
|
const void *vdpDevice;
|
|
const void *vdpGetProcAddress;
|
|
struct set *vdpSurfaces;
|
|
/*@}*/
|
|
|
|
/**
|
|
* Has this context observed a GPU reset in any context in the share group?
|
|
*
|
|
* Once this field becomes true, it is never reset to false.
|
|
*/
|
|
GLboolean ShareGroupReset;
|
|
|
|
/**
|
|
* \name OES_primitive_bounding_box
|
|
*
|
|
* Stores the arguments to glPrimitiveBoundingBox
|
|
*/
|
|
GLfloat PrimitiveBoundingBox[8];
|
|
|
|
struct disk_cache *Cache;
|
|
|
|
/**
|
|
* \name GL_ARB_bindless_texture
|
|
*/
|
|
/*@{*/
|
|
struct hash_table_u64 *ResidentTextureHandles;
|
|
struct hash_table_u64 *ResidentImageHandles;
|
|
/*@}*/
|
|
|
|
bool shader_builtin_ref;
|
|
};
|
|
|
|
/**
|
|
* Information about memory usage. All sizes are in kilobytes.
|
|
*/
|
|
struct gl_memory_info
|
|
{
|
|
unsigned total_device_memory; /**< size of device memory, e.g. VRAM */
|
|
unsigned avail_device_memory; /**< free device memory at the moment */
|
|
unsigned total_staging_memory; /**< size of staging memory, e.g. GART */
|
|
unsigned avail_staging_memory; /**< free staging memory at the moment */
|
|
unsigned device_memory_evicted; /**< size of memory evicted (monotonic counter) */
|
|
unsigned nr_device_memory_evictions; /**< # of evictions (monotonic counter) */
|
|
};
|
|
|
|
#ifndef NDEBUG
|
|
extern int MESA_VERBOSE;
|
|
extern int MESA_DEBUG_FLAGS;
|
|
#else
|
|
# define MESA_VERBOSE 0
|
|
# define MESA_DEBUG_FLAGS 0
|
|
#endif
|
|
|
|
|
|
/** The MESA_VERBOSE var is a bitmask of these flags */
|
|
enum _verbose
|
|
{
|
|
VERBOSE_VARRAY = 0x0001,
|
|
VERBOSE_TEXTURE = 0x0002,
|
|
VERBOSE_MATERIAL = 0x0004,
|
|
VERBOSE_PIPELINE = 0x0008,
|
|
VERBOSE_DRIVER = 0x0010,
|
|
VERBOSE_STATE = 0x0020,
|
|
VERBOSE_API = 0x0040,
|
|
VERBOSE_DISPLAY_LIST = 0x0100,
|
|
VERBOSE_LIGHTING = 0x0200,
|
|
VERBOSE_PRIMS = 0x0400,
|
|
VERBOSE_VERTS = 0x0800,
|
|
VERBOSE_DISASSEM = 0x1000,
|
|
VERBOSE_SWAPBUFFERS = 0x4000
|
|
};
|
|
|
|
|
|
/** The MESA_DEBUG_FLAGS var is a bitmask of these flags */
|
|
enum _debug
|
|
{
|
|
DEBUG_SILENT = (1 << 0),
|
|
DEBUG_ALWAYS_FLUSH = (1 << 1),
|
|
DEBUG_INCOMPLETE_TEXTURE = (1 << 2),
|
|
DEBUG_INCOMPLETE_FBO = (1 << 3),
|
|
DEBUG_CONTEXT = (1 << 4)
|
|
};
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* MTYPES_H */
|