mirror of https://gitlab.freedesktop.org/mesa/mesa
489 lines
13 KiB
C
489 lines
13 KiB
C
/**************************************************************************
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*
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* Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
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* 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
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* 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
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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#include "draw/draw_context.h"
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#include "util/u_format.h"
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#include "util/u_format_s3tc.h"
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#include "util/u_inlines.h"
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#include "util/u_memory.h"
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#include "util/u_string.h"
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#include "i915_reg.h"
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#include "i915_debug.h"
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#include "i915_context.h"
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#include "i915_screen.h"
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#include "i915_resource.h"
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#include "i915_winsys.h"
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#include "i915_public.h"
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/*
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* Probe functions
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*/
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static const char *
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i915_get_vendor(struct pipe_screen *screen)
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{
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return "VMware, Inc.";
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}
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static const char *
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i915_get_name(struct pipe_screen *screen)
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{
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static char buffer[128];
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const char *chipset;
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switch (i915_screen(screen)->iws->pci_id) {
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case PCI_CHIP_I915_G:
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chipset = "915G";
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break;
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case PCI_CHIP_I915_GM:
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chipset = "915GM";
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break;
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case PCI_CHIP_I945_G:
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chipset = "945G";
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break;
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case PCI_CHIP_I945_GM:
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chipset = "945GM";
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break;
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case PCI_CHIP_I945_GME:
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chipset = "945GME";
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break;
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case PCI_CHIP_G33_G:
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chipset = "G33";
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break;
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case PCI_CHIP_Q35_G:
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chipset = "Q35";
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break;
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case PCI_CHIP_Q33_G:
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chipset = "Q33";
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break;
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case PCI_CHIP_PINEVIEW_G:
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chipset = "Pineview G";
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break;
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case PCI_CHIP_PINEVIEW_M:
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chipset = "Pineview M";
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break;
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default:
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chipset = "unknown";
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break;
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}
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util_snprintf(buffer, sizeof(buffer), "i915 (chipset: %s)", chipset);
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return buffer;
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}
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static int
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i915_get_shader_param(struct pipe_screen *screen, unsigned shader, enum pipe_shader_cap cap)
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{
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switch(shader) {
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case PIPE_SHADER_VERTEX:
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switch (cap) {
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case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
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if (debug_get_bool_option("DRAW_USE_LLVM", TRUE))
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return PIPE_MAX_SAMPLERS;
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else
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return 0;
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default:
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return draw_get_shader_param(shader, cap);
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}
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case PIPE_SHADER_FRAGMENT:
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/* XXX: some of these are just shader model 2.0 values, fix this! */
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switch(cap) {
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case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
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return I915_MAX_ALU_INSN + I915_MAX_TEX_INSN;
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case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
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return I915_MAX_ALU_INSN;
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case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
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return I915_MAX_TEX_INSN;
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case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
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return 8;
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case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
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return 0;
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case PIPE_SHADER_CAP_MAX_INPUTS:
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return 10;
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case PIPE_SHADER_CAP_MAX_CONSTS:
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return 32;
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case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
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return 1;
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case PIPE_SHADER_CAP_MAX_TEMPS:
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return 12; /* XXX: 12 -> 32 ? */
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case PIPE_SHADER_CAP_MAX_ADDRS:
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return 0;
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case PIPE_SHADER_CAP_MAX_PREDS:
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return 0;
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case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
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return 0;
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case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
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case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
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case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
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case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
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return 1;
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case PIPE_SHADER_CAP_SUBROUTINES:
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return 0;
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case PIPE_SHADER_CAP_INTEGERS:
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return 0;
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case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
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return I915_TEX_UNITS;
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default:
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debug_printf("%s: Unknown cap %u.\n", __FUNCTION__, cap);
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return 0;
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}
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break;
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default:
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return 0;
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}
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}
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static int
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i915_get_param(struct pipe_screen *screen, enum pipe_cap cap)
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{
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struct i915_screen *is = i915_screen(screen);
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switch (cap) {
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/* Supported features (boolean caps). */
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case PIPE_CAP_ANISOTROPIC_FILTER:
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case PIPE_CAP_DEPTHSTENCIL_CLEAR_SEPARATE:
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case PIPE_CAP_NPOT_TEXTURES:
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case PIPE_CAP_POINT_SPRITE:
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case PIPE_CAP_PRIMITIVE_RESTART: /* draw module */
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case PIPE_CAP_TEXTURE_SHADOW_MAP:
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case PIPE_CAP_TWO_SIDED_STENCIL:
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case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR:
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case PIPE_CAP_BLEND_EQUATION_SEPARATE:
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case PIPE_CAP_TGSI_INSTANCEID:
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case PIPE_CAP_VERTEX_COLOR_CLAMPED:
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case PIPE_CAP_USER_VERTEX_BUFFERS:
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case PIPE_CAP_USER_INDEX_BUFFERS:
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case PIPE_CAP_USER_CONSTANT_BUFFERS:
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return 1;
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/* Unsupported features (boolean caps). */
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case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS:
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case PIPE_CAP_DEPTH_CLIP_DISABLE:
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case PIPE_CAP_INDEP_BLEND_ENABLE:
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case PIPE_CAP_INDEP_BLEND_FUNC:
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case PIPE_CAP_SHADER_STENCIL_EXPORT:
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case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
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case PIPE_CAP_TEXTURE_SWIZZLE:
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case PIPE_CAP_TIMER_QUERY:
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case PIPE_CAP_SM3:
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case PIPE_CAP_SEAMLESS_CUBE_MAP:
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case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE:
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case PIPE_CAP_SCALED_RESOLVE:
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case PIPE_CAP_FRAGMENT_COLOR_CLAMPED:
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case PIPE_CAP_MIXED_COLORBUFFER_FORMATS:
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case PIPE_CAP_CONDITIONAL_RENDER:
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case PIPE_CAP_TEXTURE_BARRIER:
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case PIPE_CAP_TGSI_CAN_COMPACT_VARYINGS:
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case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS:
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case PIPE_CAP_VERTEX_COLOR_UNCLAMPED:
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case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION:
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case PIPE_CAP_START_INSTANCE:
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case PIPE_CAP_QUERY_TIMESTAMP:
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case PIPE_CAP_TEXTURE_MULTISAMPLE:
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return 0;
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case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:
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return 16;
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/* Features we can lie about (boolean caps). */
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case PIPE_CAP_OCCLUSION_QUERY:
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return is->debug.lie ? 1 : 0;
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/* Texturing. */
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case PIPE_CAP_MAX_COMBINED_SAMPLERS:
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return i915_get_shader_param(screen,
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PIPE_SHADER_VERTEX,
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PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS) +
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i915_get_shader_param(screen,
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PIPE_SHADER_FRAGMENT,
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PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS);
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case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
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return I915_MAX_TEXTURE_2D_LEVELS;
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case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
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return I915_MAX_TEXTURE_3D_LEVELS;
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case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
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return I915_MAX_TEXTURE_2D_LEVELS;
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case PIPE_CAP_MIN_TEXEL_OFFSET:
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case PIPE_CAP_MAX_TEXEL_OFFSET:
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case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS:
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case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS:
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case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS:
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return 0;
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/* Render targets. */
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case PIPE_CAP_MAX_RENDER_TARGETS:
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return 1;
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/* Fragment coordinate conventions. */
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case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
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case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
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return 1;
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case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
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case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
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return 0;
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default:
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debug_printf("%s: Unknown cap %u.\n", __FUNCTION__, cap);
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return 0;
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}
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}
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static float
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i915_get_paramf(struct pipe_screen *screen, enum pipe_capf cap)
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{
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switch(cap) {
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case PIPE_CAPF_MAX_LINE_WIDTH:
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/* fall-through */
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case PIPE_CAPF_MAX_LINE_WIDTH_AA:
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return 7.5;
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case PIPE_CAPF_MAX_POINT_WIDTH:
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/* fall-through */
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case PIPE_CAPF_MAX_POINT_WIDTH_AA:
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return 255.0;
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case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
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return 4.0;
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case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
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return 16.0;
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default:
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debug_printf("%s: Unknown cap %u.\n", __FUNCTION__, cap);
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return 0;
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}
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}
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boolean
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i915_is_format_supported(struct pipe_screen *screen,
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enum pipe_format format,
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enum pipe_texture_target target,
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unsigned sample_count,
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unsigned tex_usage)
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{
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static const enum pipe_format tex_supported[] = {
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PIPE_FORMAT_B8G8R8A8_UNORM,
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PIPE_FORMAT_B8G8R8A8_SRGB,
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PIPE_FORMAT_B8G8R8X8_UNORM,
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PIPE_FORMAT_R8G8B8A8_UNORM,
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PIPE_FORMAT_R8G8B8X8_UNORM,
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PIPE_FORMAT_B5G6R5_UNORM,
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PIPE_FORMAT_B10G10R10A2_UNORM,
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PIPE_FORMAT_L8_UNORM,
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PIPE_FORMAT_A8_UNORM,
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PIPE_FORMAT_I8_UNORM,
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PIPE_FORMAT_L8A8_UNORM,
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PIPE_FORMAT_UYVY,
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PIPE_FORMAT_YUYV,
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/* XXX why not?
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PIPE_FORMAT_Z16_UNORM, */
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PIPE_FORMAT_DXT1_RGB,
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PIPE_FORMAT_DXT1_RGBA,
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PIPE_FORMAT_DXT3_RGBA,
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PIPE_FORMAT_DXT5_RGBA,
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PIPE_FORMAT_Z24X8_UNORM,
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PIPE_FORMAT_Z24_UNORM_S8_UINT,
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PIPE_FORMAT_NONE /* list terminator */
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};
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static const enum pipe_format render_supported[] = {
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PIPE_FORMAT_B8G8R8A8_UNORM,
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PIPE_FORMAT_B8G8R8X8_UNORM,
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PIPE_FORMAT_R8G8B8A8_UNORM,
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PIPE_FORMAT_R8G8B8X8_UNORM,
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PIPE_FORMAT_B5G6R5_UNORM,
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PIPE_FORMAT_B10G10R10A2_UNORM,
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PIPE_FORMAT_L8_UNORM,
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PIPE_FORMAT_A8_UNORM,
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PIPE_FORMAT_I8_UNORM,
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PIPE_FORMAT_NONE /* list terminator */
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};
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static const enum pipe_format depth_supported[] = {
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/* XXX why not?
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PIPE_FORMAT_Z16_UNORM, */
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PIPE_FORMAT_Z24X8_UNORM,
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PIPE_FORMAT_Z24_UNORM_S8_UINT,
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PIPE_FORMAT_NONE /* list terminator */
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};
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const enum pipe_format *list;
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uint i;
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if (!util_format_is_supported(format, tex_usage))
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return FALSE;
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if (sample_count > 1)
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return FALSE;
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if(tex_usage & PIPE_BIND_DEPTH_STENCIL)
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list = depth_supported;
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else if (tex_usage & PIPE_BIND_RENDER_TARGET)
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list = render_supported;
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else if (tex_usage & PIPE_BIND_SAMPLER_VIEW)
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list = tex_supported;
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else
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return TRUE; /* PIPE_BIND_{VERTEX,INDEX}_BUFFER */
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for (i = 0; list[i] != PIPE_FORMAT_NONE; i++) {
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if (list[i] == format)
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return TRUE;
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}
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return FALSE;
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}
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/*
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* Fence functions
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*/
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static void
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i915_fence_reference(struct pipe_screen *screen,
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struct pipe_fence_handle **ptr,
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struct pipe_fence_handle *fence)
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{
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struct i915_screen *is = i915_screen(screen);
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is->iws->fence_reference(is->iws, ptr, fence);
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}
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static boolean
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i915_fence_signalled(struct pipe_screen *screen,
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struct pipe_fence_handle *fence)
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{
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struct i915_screen *is = i915_screen(screen);
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return is->iws->fence_signalled(is->iws, fence) == 1;
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}
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static boolean
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i915_fence_finish(struct pipe_screen *screen,
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struct pipe_fence_handle *fence,
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uint64_t timeout)
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{
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struct i915_screen *is = i915_screen(screen);
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return is->iws->fence_finish(is->iws, fence) == 1;
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}
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/*
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* Generic functions
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*/
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static void
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i915_flush_frontbuffer(struct pipe_screen *screen,
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struct pipe_resource *resource,
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unsigned level, unsigned layer,
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void *winsys_drawable_handle)
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{
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/* XXX: Dummy right now. */
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(void)screen;
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(void)resource;
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(void)level;
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(void)layer;
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(void)winsys_drawable_handle;
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}
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static void
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i915_destroy_screen(struct pipe_screen *screen)
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{
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struct i915_screen *is = i915_screen(screen);
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if (is->iws)
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is->iws->destroy(is->iws);
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FREE(is);
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}
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/**
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* Create a new i915_screen object
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*/
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struct pipe_screen *
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i915_screen_create(struct i915_winsys *iws)
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{
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struct i915_screen *is = CALLOC_STRUCT(i915_screen);
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if (!is)
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return NULL;
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switch (iws->pci_id) {
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case PCI_CHIP_I915_G:
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case PCI_CHIP_I915_GM:
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is->is_i945 = FALSE;
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break;
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case PCI_CHIP_I945_G:
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case PCI_CHIP_I945_GM:
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case PCI_CHIP_I945_GME:
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case PCI_CHIP_G33_G:
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case PCI_CHIP_Q33_G:
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case PCI_CHIP_Q35_G:
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case PCI_CHIP_PINEVIEW_G:
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case PCI_CHIP_PINEVIEW_M:
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is->is_i945 = TRUE;
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break;
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default:
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debug_printf("%s: unknown pci id 0x%x, cannot create screen\n",
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__FUNCTION__, iws->pci_id);
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FREE(is);
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return NULL;
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}
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is->iws = iws;
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is->base.destroy = i915_destroy_screen;
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is->base.flush_frontbuffer = i915_flush_frontbuffer;
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is->base.get_name = i915_get_name;
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is->base.get_vendor = i915_get_vendor;
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is->base.get_param = i915_get_param;
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is->base.get_shader_param = i915_get_shader_param;
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is->base.get_paramf = i915_get_paramf;
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is->base.is_format_supported = i915_is_format_supported;
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is->base.context_create = i915_create_context;
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is->base.fence_reference = i915_fence_reference;
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is->base.fence_signalled = i915_fence_signalled;
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is->base.fence_finish = i915_fence_finish;
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i915_init_screen_resource_functions(is);
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i915_debug_init(is);
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util_format_s3tc_init();
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return &is->base;
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}
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