mesa/src/mesa/state_tracker/st_program.h

341 lines
9.0 KiB
C

/**************************************************************************
*
* Copyright 2003 VMware, Inc.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
/*
* Authors:
* Keith Whitwell <keithw@vmware.com>
*/
#ifndef ST_PROGRAM_H
#define ST_PROGRAM_H
#include "main/atifragshader.h"
#include "program/program.h"
#include "pipe/p_state.h"
#include "tgsi/tgsi_from_mesa.h"
#include "st_context.h"
#include "st_texture.h"
#ifdef __cplusplus
extern "C" {
#endif
struct st_external_sampler_key
{
GLuint lower_nv12; /**< bitmask of 2 plane YUV samplers */
GLuint lower_iyuv; /**< bitmask of 3 plane YUV samplers */
GLuint lower_xy_uxvx; /**< bitmask of 2 plane YUV samplers */
GLuint lower_yx_xuxv; /**< bitmask of 2 plane YUV samplers */
GLuint lower_ayuv;
GLuint lower_xyuv;
GLuint lower_yuv;
GLuint lower_yu_yv;
GLuint lower_y41x;
GLuint bt709;
GLuint bt2020;
GLuint yuv_full_range;
};
static inline struct st_external_sampler_key
st_get_external_sampler_key(struct st_context *st, struct gl_program *prog)
{
unsigned mask = prog->ExternalSamplersUsed;
struct st_external_sampler_key key;
memset(&key, 0, sizeof(key));
while (unlikely(mask)) {
unsigned unit = u_bit_scan(&mask);
struct gl_texture_object *stObj =
st_get_texture_object(st->ctx, prog, unit);
enum pipe_format format = st_get_view_format(stObj);
/* if resource format matches then YUV wasn't lowered */
if (format == stObj->pt->format)
continue;
switch (format) {
case PIPE_FORMAT_NV12:
if (stObj->pt->format == PIPE_FORMAT_R8_G8B8_420_UNORM) {
key.lower_yuv |= (1 << unit);
break;
}
FALLTHROUGH;
case PIPE_FORMAT_P010:
case PIPE_FORMAT_P012:
case PIPE_FORMAT_P016:
key.lower_nv12 |= (1 << unit);
break;
case PIPE_FORMAT_IYUV:
key.lower_iyuv |= (1 << unit);
break;
case PIPE_FORMAT_YUYV:
if (stObj->pt->format == PIPE_FORMAT_R8G8_R8B8_UNORM) {
key.lower_yu_yv |= (1 << unit);
break;
}
FALLTHROUGH;
case PIPE_FORMAT_Y210:
case PIPE_FORMAT_Y212:
case PIPE_FORMAT_Y216:
key.lower_yx_xuxv |= (1 << unit);
break;
case PIPE_FORMAT_UYVY:
if (stObj->pt->format == PIPE_FORMAT_G8R8_B8R8_UNORM) {
key.lower_yu_yv |= (1 << unit);
break;
}
key.lower_xy_uxvx |= (1 << unit);
break;
case PIPE_FORMAT_AYUV:
key.lower_ayuv |= (1 << unit);
break;
case PIPE_FORMAT_XYUV:
key.lower_xyuv |= (1 << unit);
break;
case PIPE_FORMAT_Y410:
case PIPE_FORMAT_Y412:
case PIPE_FORMAT_Y416:
key.lower_y41x |= (1 << unit);
break;
default:
printf("mesa: st_get_external_sampler_key: unhandled pipe format %u\n",
format);
break;
}
switch (stObj->yuv_color_space) {
case GL_TEXTURE_YUV_COLOR_SPACE_REC601:
break;
case GL_TEXTURE_YUV_COLOR_SPACE_REC709:
key.bt709 |= (1 << unit);
break;
case GL_TEXTURE_YUV_COLOR_SPACE_REC2020:
key.bt2020 |= (1 << unit);
break;
}
if (stObj->yuv_full_range)
key.yuv_full_range |= (1 << unit);
}
return key;
}
/** Fragment program variant key
*
* Please update st_get_fp_variant() perf_debug() when adding fields.
*/
struct st_fp_variant_key
{
struct st_context *st; /**< variants are per-context */
/** for glBitmap */
GLuint bitmap:1; /**< glBitmap variant? */
/** for glDrawPixels */
GLuint drawpixels:1; /**< glDrawPixels variant */
GLuint scaleAndBias:1; /**< glDrawPixels w/ scale and/or bias? */
GLuint pixelMaps:1; /**< glDrawPixels w/ pixel lookup map? */
/** for ARB_color_buffer_float */
GLuint clamp_color:1;
/** for ARB_sample_shading */
GLuint persample_shading:1;
/** needed for ATI_fragment_shader */
GLuint fog:2;
/** for OpenGL 1.0 on modern hardware */
GLuint lower_two_sided_color:1;
GLuint lower_flatshade:1;
GLuint lower_texcoord_replace:MAX_TEXTURE_COORD_UNITS;
unsigned lower_alpha_func:3;
/** needed for ATI_fragment_shader */
uint8_t texture_index[MAX_NUM_FRAGMENT_REGISTERS_ATI];
struct st_external_sampler_key external;
/* bitmask of sampler units; PIPE_CAP_GL_CLAMP */
uint32_t gl_clamp[3];
};
/**
* Base class for shader variants.
*/
struct st_variant
{
/** next in linked list */
struct st_variant *next;
/** st_context from the shader key */
struct st_context *st;
void *driver_shader;
};
/**
* Variant of a fragment program.
*/
struct st_fp_variant
{
struct st_variant base;
/** Parameters which generated this version of fragment program */
struct st_fp_variant_key key;
/** For glBitmap variants */
uint bitmap_sampler;
/** For glDrawPixels variants */
unsigned drawpix_sampler;
unsigned pixelmap_sampler;
};
/** Shader key shared by other shaders.
*
* Please update st_get_common_variant() perf_debug() when adding fields.
*/
struct st_common_variant_key
{
struct st_context *st; /**< variants are per-context */
bool passthrough_edgeflags;
/** for ARB_color_buffer_float */
bool clamp_color;
/** lower glPointSize to gl_PointSize */
boolean export_point_size;
/* for user-defined clip-planes */
uint8_t lower_ucp;
/* Whether st_variant::driver_shader is for the draw module,
* not for the driver.
*/
bool is_draw_shader;
/* bitmask of sampler units; PIPE_CAP_GL_CLAMP */
uint32_t gl_clamp[3];
};
/**
* Common shader variant.
*/
struct st_common_variant
{
struct st_variant base;
/* Parameters which generated this variant. */
struct st_common_variant_key key;
/* Bitfield of VERT_BIT_* bits matching vertex shader inputs. */
GLbitfield vert_attrib_mask;
};
static inline struct st_common_variant *
st_common_variant(struct st_variant *v)
{
return (struct st_common_variant*)v;
}
static inline struct st_fp_variant *
st_fp_variant(struct st_variant *v)
{
return (struct st_fp_variant*)v;
}
/**
* This defines mapping from Mesa VARYING_SLOTs to TGSI GENERIC slots.
*/
static inline unsigned
st_get_generic_varying_index(struct st_context *st, GLuint attr)
{
return tgsi_get_generic_gl_varying_index((gl_varying_slot)attr,
st->needs_texcoord_semantic);
}
extern void
st_set_prog_affected_state_flags(struct gl_program *prog);
extern struct st_fp_variant *
st_get_fp_variant(struct st_context *st,
struct gl_program *stfp,
const struct st_fp_variant_key *key);
extern struct st_common_variant *
st_get_common_variant(struct st_context *st,
struct gl_program *p,
const struct st_common_variant_key *key);
extern void
st_release_variants(struct st_context *st, struct gl_program *p);
extern void
st_release_program(struct st_context *st, struct gl_program **p);
extern void
st_destroy_program_variants(struct st_context *st);
extern void
st_finalize_nir_before_variants(struct nir_shader *nir);
extern void
st_prepare_vertex_program(struct gl_program *stvp);
extern void
st_translate_stream_output_info(struct gl_program *prog);
extern void
st_serialize_nir(struct gl_program *stp);
extern void
st_finalize_program(struct st_context *st, struct gl_program *prog);
struct pipe_shader_state *
st_create_nir_shader(struct st_context *st, struct pipe_shader_state *state);
GLboolean st_program_string_notify(struct gl_context *ctx,
GLenum target,
struct gl_program *prog);
bool
st_can_add_pointsize_to_program(struct st_context *st, struct gl_program *prog);
#ifdef __cplusplus
}
#endif
#endif