src/mesa/drivers/dri/i965/brw_surface_formats.c

   1 /*
   2  * Copyright © 2011 Intel Corporation
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  21  * IN THE SOFTWARE.
  22  */
  23 #include "main/context.h"
  24 #include "main/mtypes.h"
  25
  26 #include "brw_context.h"
  27 #include "brw_state.h"
  28 #include "brw_defines.h"
  29 #include "brw_wm.h"
  30
  31 struct surface_format_info {
  32    bool exists;
  33    int sampling;
  34    int filtering;
  35    int shadow_compare;
  36    int chroma_key;
  37    int render_target;
  38    int alpha_blend;
  39    int input_vb;
  40    int streamed_output_vb;
  41    int color_processing;
  42 };
  43
  44 /* This macro allows us to write the table almost as it appears in the PRM,
  45  * while restructuring it to turn it into the C code we want.
  46  */
  47 #define SF(sampl, filt, shad, ck, rt, ab, vb, so, color, sf) \
  48    [sf] = { true, sampl, filt, shad, ck, rt, ab, vb, so, color },
  49
  50 #define Y 0
  51 #define x 999
  52 /**
  53  * This is the table of support for surface (texture, renderbuffer, and vertex
  54  * buffer, but not depthbuffer) formats across the various hardware generations.
  55  *
  56  * The table is formatted to match the documentation, except that the docs have
  57  * this ridiculous mapping of Y[*+~^#&] for "supported on DevWhatever".  To put
  58  * it in our table, here's the mapping:
  59  *
  60  * Y*: 45
  61  * Y+: 45 (g45/gm45)
  62  * Y~: 50 (gen5)
  63  * Y^: 60 (gen6)
  64  * Y#: 70 (gen7)
  65  *
  66  * The abbreviations in the header below are:
  67  * smpl  - Sampling Engine
  68  * filt  - Sampling Engine Filtering
  69  * shad  - Sampling Engine Shadow Map
  70  * CK    - Sampling Engine Chroma Key
  71  * RT    - Render Target
  72  * AB    - Alpha Blend Render Target
  73  * VB    - Input Vertex Buffer
  74  * SO    - Steamed Output Vertex Buffers (transform feedback)
  75  * color - Color Processing
  76  *
  77  * See page 88 of the Sandybridge PRM VOL4_Part1 PDF.
  78  *
  79  * As of Ivybridge, the columns are no longer in that table and the
  80  * information can be found spread across:
  81  *
  82  * - VOL2_Part1 section 2.5.11 Format Conversion (vertex fetch).
  83  * - VOL4_Part1 section 2.12.2.1.2 Sampler Output Channel Mapping.
  84  * - VOL4_Part1 section 3.9.11 Render Target Write.
  85  */
  86 const struct surface_format_info surface_formats[] = {
  87 /* smpl filt shad CK  RT  AB  VB  SO  color */
  88    SF( Y, 50,  x,  x,  Y,  Y,  Y,  Y,  x, BRW_SURFACEFORMAT_R32G32B32A32_FLOAT)
  89    SF( Y,  x,  x,  x,  Y,  x,  Y,  Y,  x, BRW_SURFACEFORMAT_R32G32B32A32_SINT)
  90    SF( Y,  x,  x,  x,  Y,  x,  Y,  Y,  x, BRW_SURFACEFORMAT_R32G32B32A32_UINT)
  91    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R32G32B32A32_UNORM)
  92    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R32G32B32A32_SNORM)
  93    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R64G64_FLOAT)
  94    SF( Y, 50,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_R32G32B32X32_FLOAT)
  95    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R32G32B32A32_SSCALED)
  96    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R32G32B32A32_USCALED)
  97    SF( x,  x,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_R32G32B32A32_SFIXED)
  98    SF( x,  x,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_R64G64_PASSTHRU)
  99    SF( Y, 50,  x,  x,  x,  x,  Y,  Y,  x, BRW_SURFACEFORMAT_R32G32B32_FLOAT)
 100    SF( Y,  x,  x,  x,  x,  x,  Y,  Y,  x, BRW_SURFACEFORMAT_R32G32B32_SINT)
 101    SF( Y,  x,  x,  x,  x,  x,  Y,  Y,  x, BRW_SURFACEFORMAT_R32G32B32_UINT)
 102    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R32G32B32_UNORM)
 103    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R32G32B32_SNORM)
 104    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R32G32B32_SSCALED)
 105    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R32G32B32_USCALED)
 106    SF( x,  x,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_R32G32B32_SFIXED)
 107    SF( Y,  Y,  x,  x,  Y, 45,  Y,  x, 60, BRW_SURFACEFORMAT_R16G16B16A16_UNORM)
 108    SF( Y,  Y,  x,  x,  Y, 60,  Y,  x,  x, BRW_SURFACEFORMAT_R16G16B16A16_SNORM)
 109    SF( Y,  x,  x,  x,  Y,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R16G16B16A16_SINT)
 110    SF( Y,  x,  x,  x,  Y,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R16G16B16A16_UINT)
 111    SF( Y,  Y,  x,  x,  Y,  Y,  Y,  x,  x, BRW_SURFACEFORMAT_R16G16B16A16_FLOAT)
 112    SF( Y, 50,  x,  x,  Y,  Y,  Y,  Y,  x, BRW_SURFACEFORMAT_R32G32_FLOAT)
 113    SF( Y,  x,  x,  x,  Y,  x,  Y,  Y,  x, BRW_SURFACEFORMAT_R32G32_SINT)
 114    SF( Y,  x,  x,  x,  Y,  x,  Y,  Y,  x, BRW_SURFACEFORMAT_R32G32_UINT)
 115    SF( Y, 50,  Y,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_R32_FLOAT_X8X24_TYPELESS)
 116    SF( Y,  x,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_X32_TYPELESS_G8X24_UINT)
 117    SF( Y, 50,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_L32A32_FLOAT)
 118    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R32G32_UNORM)
 119    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R32G32_SNORM)
 120    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R64_FLOAT)
 121    SF( Y,  Y,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_R16G16B16X16_UNORM)
 122    SF( Y,  Y,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_R16G16B16X16_FLOAT)
 123    SF( Y, 50,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_A32X32_FLOAT)
 124    SF( Y, 50,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_L32X32_FLOAT)
 125    SF( Y, 50,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_I32X32_FLOAT)
 126    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R16G16B16A16_SSCALED)
 127    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R16G16B16A16_USCALED)
 128    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R32G32_SSCALED)
 129    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R32G32_USCALED)
 130    SF( x,  x,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_R32G32_SFIXED)
 131    SF( x,  x,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_R64_PASSTHRU)
 132    SF( Y,  Y,  x,  Y,  Y,  Y,  Y,  x, 60, BRW_SURFACEFORMAT_B8G8R8A8_UNORM)
 133    SF( Y,  Y,  x,  x,  Y,  Y,  x,  x,  x, BRW_SURFACEFORMAT_B8G8R8A8_UNORM_SRGB)
 134 /* smpl filt shad CK  RT  AB  VB  SO  color */
 135    SF( Y,  Y,  x,  x,  Y,  Y,  Y,  x, 60, BRW_SURFACEFORMAT_R10G10B10A2_UNORM)
 136    SF( Y,  Y,  x,  x,  x,  x,  x,  x, 60, BRW_SURFACEFORMAT_R10G10B10A2_UNORM_SRGB)
 137    SF( Y,  x,  x,  x,  Y,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R10G10B10A2_UINT)
 138    SF( Y,  Y,  x,  x,  x,  Y,  Y,  x,  x, BRW_SURFACEFORMAT_R10G10B10_SNORM_A2_UNORM)
 139    SF( Y,  Y,  x,  x,  Y,  Y,  Y,  x, 60, BRW_SURFACEFORMAT_R8G8B8A8_UNORM)
 140    SF( Y,  Y,  x,  x,  Y,  Y,  x,  x, 60, BRW_SURFACEFORMAT_R8G8B8A8_UNORM_SRGB)
 141    SF( Y,  Y,  x,  x,  Y, 60,  Y,  x,  x, BRW_SURFACEFORMAT_R8G8B8A8_SNORM)
 142    SF( Y,  x,  x,  x,  Y,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R8G8B8A8_SINT)
 143    SF( Y,  x,  x,  x,  Y,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R8G8B8A8_UINT)
 144    SF( Y,  Y,  x,  x,  Y, 45,  Y,  x,  x, BRW_SURFACEFORMAT_R16G16_UNORM)
 145    SF( Y,  Y,  x,  x,  Y, 60,  Y,  x,  x, BRW_SURFACEFORMAT_R16G16_SNORM)
 146    SF( Y,  x,  x,  x,  Y,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R16G16_SINT)
 147    SF( Y,  x,  x,  x,  Y,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R16G16_UINT)
 148    SF( Y,  Y,  x,  x,  Y,  Y,  Y,  x,  x, BRW_SURFACEFORMAT_R16G16_FLOAT)
 149    SF( Y,  Y,  x,  x,  Y,  Y,  x,  x, 60, BRW_SURFACEFORMAT_B10G10R10A2_UNORM)
 150    SF( Y,  Y,  x,  x,  Y,  Y,  x,  x, 60, BRW_SURFACEFORMAT_B10G10R10A2_UNORM_SRGB)
 151    SF( Y,  Y,  x,  x,  Y,  Y,  Y,  x,  x, BRW_SURFACEFORMAT_R11G11B10_FLOAT)
 152    SF( Y,  x,  x,  x,  Y,  x,  Y,  Y,  x, BRW_SURFACEFORMAT_R32_SINT)
 153    SF( Y,  x,  x,  x,  Y,  x,  Y,  Y,  x, BRW_SURFACEFORMAT_R32_UINT)
 154    SF( Y, 50,  Y,  x,  Y,  Y,  Y,  Y,  x, BRW_SURFACEFORMAT_R32_FLOAT)
 155    SF( Y, 50,  Y,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_R24_UNORM_X8_TYPELESS)
 156    SF( Y,  x,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_X24_TYPELESS_G8_UINT)
 157    SF( Y,  Y,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_L16A16_UNORM)
 158    SF( Y, 50,  Y,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_I24X8_UNORM)
 159    SF( Y, 50,  Y,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_L24X8_UNORM)
 160    SF( Y, 50,  Y,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_A24X8_UNORM)
 161    SF( Y, 50,  Y,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_I32_FLOAT)
 162    SF( Y, 50,  Y,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_L32_FLOAT)
 163    SF( Y, 50,  Y,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_A32_FLOAT)
 164    SF( Y,  Y,  x,  Y,  x,  x,  x,  x, 60, BRW_SURFACEFORMAT_B8G8R8X8_UNORM)
 165    SF( Y,  Y,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_B8G8R8X8_UNORM_SRGB)
 166    SF( Y,  Y,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_R8G8B8X8_UNORM)
 167    SF( Y,  Y,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_R8G8B8X8_UNORM_SRGB)
 168    SF( Y,  Y,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_R9G9B9E5_SHAREDEXP)
 169    SF( Y,  Y,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_B10G10R10X2_UNORM)
 170    SF( Y,  Y,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_L16A16_FLOAT)
 171    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R32_UNORM)
 172    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R32_SNORM)
 173 /* smpl filt shad CK  RT  AB  VB  SO  color */
 174    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R10G10B10X2_USCALED)
 175    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R8G8B8A8_SSCALED)
 176    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R8G8B8A8_USCALED)
 177    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R16G16_SSCALED)
 178    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R16G16_USCALED)
 179    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R32_SSCALED)
 180    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R32_USCALED)
 181    SF( Y,  Y,  x,  Y,  Y,  Y,  x,  x,  x, BRW_SURFACEFORMAT_B5G6R5_UNORM)
 182    SF( Y,  Y,  x,  x,  Y,  Y,  x,  x,  x, BRW_SURFACEFORMAT_B5G6R5_UNORM_SRGB)
 183    SF( Y,  Y,  x,  Y,  Y,  Y,  x,  x,  x, BRW_SURFACEFORMAT_B5G5R5A1_UNORM)
 184    SF( Y,  Y,  x,  x,  Y,  Y,  x,  x,  x, BRW_SURFACEFORMAT_B5G5R5A1_UNORM_SRGB)
 185    SF( Y,  Y,  x,  Y,  Y,  Y,  x,  x,  x, BRW_SURFACEFORMAT_B4G4R4A4_UNORM)
 186    SF( Y,  Y,  x,  x,  Y,  Y,  x,  x,  x, BRW_SURFACEFORMAT_B4G4R4A4_UNORM_SRGB)
 187    SF( Y,  Y,  x,  x,  Y,  Y,  Y,  x,  x, BRW_SURFACEFORMAT_R8G8_UNORM)
 188    SF( Y,  Y,  x,  Y,  Y, 60,  Y,  x,  x, BRW_SURFACEFORMAT_R8G8_SNORM)
 189    SF( Y,  x,  x,  x,  Y,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R8G8_SINT)
 190    SF( Y,  x,  x,  x,  Y,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R8G8_UINT)
 191    SF( Y,  Y,  Y,  x,  Y, 45,  Y,  x, 70, BRW_SURFACEFORMAT_R16_UNORM)
 192    SF( Y,  Y,  x,  x,  Y, 60,  Y,  x,  x, BRW_SURFACEFORMAT_R16_SNORM)
 193    SF( Y,  x,  x,  x,  Y,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R16_SINT)
 194    SF( Y,  x,  x,  x,  Y,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R16_UINT)
 195    SF( Y,  Y,  x,  x,  Y,  Y,  Y,  x,  x, BRW_SURFACEFORMAT_R16_FLOAT)
 196    SF(50, 50,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_A8P8_UNORM_PALETTE0)
 197    SF(50, 50,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_A8P8_UNORM_PALETTE1)
 198    SF( Y,  Y,  Y,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_I16_UNORM)
 199    SF( Y,  Y,  Y,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_L16_UNORM)
 200    SF( Y,  Y,  Y,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_A16_UNORM)
 201    SF( Y,  Y,  x,  Y,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_L8A8_UNORM)
 202    SF( Y,  Y,  Y,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_I16_FLOAT)
 203    SF( Y,  Y,  Y,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_L16_FLOAT)
 204    SF( Y,  Y,  Y,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_A16_FLOAT)
 205    SF(45, 45,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_L8A8_UNORM_SRGB)
 206    SF( Y,  Y,  x,  Y,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_R5G5_SNORM_B6_UNORM)
 207    SF( x,  x,  x,  x,  Y,  Y,  x,  x,  x, BRW_SURFACEFORMAT_B5G5R5X1_UNORM)
 208    SF( x,  x,  x,  x,  Y,  Y,  x,  x,  x, BRW_SURFACEFORMAT_B5G5R5X1_UNORM_SRGB)
 209    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R8G8_SSCALED)
 210    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R8G8_USCALED)
 211 /* smpl filt shad CK  RT  AB  VB  SO  color */
 212    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R16_SSCALED)
 213    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R16_USCALED)
 214    SF(50, 50,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_P8A8_UNORM_PALETTE0)
 215    SF(50, 50,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_P8A8_UNORM_PALETTE1)
 216    SF( x,  x,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_A1B5G5R5_UNORM)
 217    SF( x,  x,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_A4B4G4R4_UNORM)
 218    SF( x,  x,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_L8A8_UINT)
 219    SF( x,  x,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_L8A8_SINT)
 220    SF( Y,  Y,  x, 45,  Y,  Y,  Y,  x,  x, BRW_SURFACEFORMAT_R8_UNORM)
 221    SF( Y,  Y,  x,  x,  Y, 60,  Y,  x,  x, BRW_SURFACEFORMAT_R8_SNORM)
 222    SF( Y,  x,  x,  x,  Y,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R8_SINT)
 223    SF( Y,  x,  x,  x,  Y,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R8_UINT)
 224    SF( Y,  Y,  x,  Y,  Y,  Y,  x,  x,  x, BRW_SURFACEFORMAT_A8_UNORM)
 225    SF( Y,  Y,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_I8_UNORM)
 226    SF( Y,  Y,  x,  Y,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_L8_UNORM)
 227    SF( Y,  Y,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_P4A4_UNORM)
 228    SF( Y,  Y,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_A4P4_UNORM)
 229    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R8_SSCALED)
 230    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R8_USCALED)
 231    SF(45, 45,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_P8_UNORM_PALETTE0)
 232    SF(45, 45,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_L8_UNORM_SRGB)
 233    SF(45, 45,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_P8_UNORM_PALETTE1)
 234    SF(45, 45,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_P4A4_UNORM_PALETTE1)
 235    SF(45, 45,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_A4P4_UNORM_PALETTE1)
 236    SF( x,  x,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_Y8_SNORM)
 237    SF( x,  x,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_L8_UINT)
 238    SF( x,  x,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_L8_SINT)
 239    SF( x,  x,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_I8_UINT)
 240    SF( x,  x,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_I8_SINT)
 241    SF(45, 45,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_DXT1_RGB_SRGB)
 242    SF( Y,  Y,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_R1_UINT)
 243    SF( Y,  Y,  x,  Y,  Y,  x,  x,  x, 60, BRW_SURFACEFORMAT_YCRCB_NORMAL)
 244    SF( Y,  Y,  x,  Y,  Y,  x,  x,  x, 60, BRW_SURFACEFORMAT_YCRCB_SWAPUVY)
 245    SF(45, 45,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_P2_UNORM_PALETTE0)
 246    SF(45, 45,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_P2_UNORM_PALETTE1)
 247    SF( Y,  Y,  x,  Y,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_BC1_UNORM)
 248    SF( Y,  Y,  x,  Y,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_BC2_UNORM)
 249    SF( Y,  Y,  x,  Y,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_BC3_UNORM)
 250    SF( Y,  Y,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_BC4_UNORM)
 251    SF( Y,  Y,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_BC5_UNORM)
 252    SF( Y,  Y,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_BC1_UNORM_SRGB)
 253    SF( Y,  Y,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_BC2_UNORM_SRGB)
 254    SF( Y,  Y,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_BC3_UNORM_SRGB)
 255    SF( Y,  x,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_MONO8)
 256    SF( Y,  Y,  x,  x,  Y,  x,  x,  x, 60, BRW_SURFACEFORMAT_YCRCB_SWAPUV)
 257    SF( Y,  Y,  x,  x,  Y,  x,  x,  x, 60, BRW_SURFACEFORMAT_YCRCB_SWAPY)
 258    SF( Y,  Y,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_DXT1_RGB)
 259 /* smpl filt shad CK  RT  AB  VB  SO  color */
 260    SF( Y,  Y,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_FXT1)
 261    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R8G8B8_UNORM)
 262    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R8G8B8_SNORM)
 263    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R8G8B8_SSCALED)
 264    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R8G8B8_USCALED)
 265    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R64G64B64A64_FLOAT)
 266    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R64G64B64_FLOAT)
 267    SF( Y,  Y,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_BC4_SNORM)
 268    SF( Y,  Y,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_BC5_SNORM)
 269    SF(50, 50,  x,  x,  x,  x, 60,  x,  x, BRW_SURFACEFORMAT_R16G16B16_FLOAT)
 270    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R16G16B16_UNORM)
 271    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R16G16B16_SNORM)
 272    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R16G16B16_SSCALED)
 273    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R16G16B16_USCALED)
 274    SF(70, 70,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_BC6H_SF16)
 275    SF(70, 70,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_BC7_UNORM)
 276    SF(70, 70,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_BC7_UNORM_SRGB)
 277    SF(70, 70,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_BC6H_UF16)
 278    SF( x,  x,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_PLANAR_420_8)
 279    SF( x,  x,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_R8G8B8_UNORM_SRGB)
 280    SF( x,  x,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_ETC1_RGB8)
 281    SF( x,  x,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_ETC2_RGB8)
 282    SF( x,  x,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_EAC_R11)
 283    SF( x,  x,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_EAC_RG11)
 284    SF( x,  x,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_EAC_SIGNED_R11)
 285    SF( x,  x,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_EAC_SIGNED_RG11)
 286    SF( x,  x,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_ETC2_SRGB8)
 287    SF( x,  x,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_R16G16B16_UINT)
 288    SF( x,  x,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_R16G16B16_SINT)
 289    SF( x,  x,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_R32_SFIXED)
 290    SF( x,  x,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_R10G10B10A2_SNORM)
 291    SF( x,  x,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_R10G10B10A2_USCALED)
 292    SF( x,  x,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_R10G10B10A2_SSCALED)
 293    SF( x,  x,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_R10G10B10A2_SINT)
 294    SF( x,  x,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_B10G10R10A2_SNORM)
 295    SF( x,  x,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_B10G10R10A2_USCALED)
 296    SF( x,  x,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_B10G10R10A2_SSCALED)
 297    SF( x,  x,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_B10G10R10A2_UINT)
 298    SF( x,  x,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_B10G10R10A2_SINT)
 299    SF( x,  x,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_R64G64B64A64_PASSTHRU)
 300    SF( x,  x,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_R64G64B64_PASSTHRU)
 301    SF( x,  x,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_ETC2_RGB8_PTA)
 302    SF( x,  x,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_ETC2_SRGB8_PTA)
 303    SF( x,  x,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_ETC2_EAC_RGBA8)
 304    SF( x,  x,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_ETC2_EAC_SRGB8_A8)
 305    SF( x,  x,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_R8G8B8_UINT)
 306    SF( x,  x,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_R8G8B8_SINT)
 307 };
 308 #undef x
 309 #undef Y
 310
 311 uint32_t
 312 brw_format_for_mesa_format(gl_format mesa_format)
 313 {
 314    /* This table is ordered according to the enum ordering in formats.h.  We do
 315     * expect that enum to be extended without our explicit initialization
 316     * staying in sync, so we initialize to 0 even though
 317     * BRW_SURFACEFORMAT_R32G32B32A32_FLOAT happens to also be 0.
 318     */
 319    static const uint32_t table[MESA_FORMAT_COUNT] =
 320    {
 321       [MESA_FORMAT_RGBA8888] = 0,
 322       [MESA_FORMAT_RGBA8888_REV] = BRW_SURFACEFORMAT_R8G8B8A8_UNORM,
 323       [MESA_FORMAT_ARGB8888] = BRW_SURFACEFORMAT_B8G8R8A8_UNORM,
 324       [MESA_FORMAT_ARGB8888_REV] = 0,
 325       [MESA_FORMAT_RGBX8888] = 0,
 326       [MESA_FORMAT_RGBX8888_REV] = BRW_SURFACEFORMAT_R8G8B8X8_UNORM,
 327       [MESA_FORMAT_XRGB8888] = BRW_SURFACEFORMAT_B8G8R8X8_UNORM,
 328       [MESA_FORMAT_XRGB8888_REV] = 0,
 329       [MESA_FORMAT_RGB888] = 0,
 330       [MESA_FORMAT_BGR888] = BRW_SURFACEFORMAT_R8G8B8_UNORM,
 331       [MESA_FORMAT_RGB565] = BRW_SURFACEFORMAT_B5G6R5_UNORM,
 332       [MESA_FORMAT_RGB565_REV] = 0,
 333       [MESA_FORMAT_ARGB4444] = BRW_SURFACEFORMAT_B4G4R4A4_UNORM,
 334       [MESA_FORMAT_ARGB4444_REV] = 0,
 335       [MESA_FORMAT_RGBA5551] = 0,
 336       [MESA_FORMAT_ARGB1555] = BRW_SURFACEFORMAT_B5G5R5A1_UNORM,
 337       [MESA_FORMAT_ARGB1555_REV] = 0,
 338       [MESA_FORMAT_AL44] = 0,
 339       [MESA_FORMAT_AL88] = BRW_SURFACEFORMAT_L8A8_UNORM,
 340       [MESA_FORMAT_AL88_REV] = 0,
 341       [MESA_FORMAT_AL1616] = BRW_SURFACEFORMAT_L16A16_UNORM,
 342       [MESA_FORMAT_AL1616_REV] = 0,
 343       [MESA_FORMAT_RGB332] = 0,
 344       [MESA_FORMAT_A8] = BRW_SURFACEFORMAT_A8_UNORM,
 345       [MESA_FORMAT_A16] = BRW_SURFACEFORMAT_A16_UNORM,
 346       [MESA_FORMAT_L8] = BRW_SURFACEFORMAT_L8_UNORM,
 347       [MESA_FORMAT_L16] = BRW_SURFACEFORMAT_L16_UNORM,
 348       [MESA_FORMAT_I8] = BRW_SURFACEFORMAT_I8_UNORM,
 349       [MESA_FORMAT_I16] = BRW_SURFACEFORMAT_I16_UNORM,
 350       [MESA_FORMAT_YCBCR_REV] = BRW_SURFACEFORMAT_YCRCB_NORMAL,
 351       [MESA_FORMAT_YCBCR] = BRW_SURFACEFORMAT_YCRCB_SWAPUVY,
 352       [MESA_FORMAT_R8] = BRW_SURFACEFORMAT_R8_UNORM,
 353       [MESA_FORMAT_GR88] = BRW_SURFACEFORMAT_R8G8_UNORM,
 354       [MESA_FORMAT_RG88] = 0,
 355       [MESA_FORMAT_R16] = BRW_SURFACEFORMAT_R16_UNORM,
 356       [MESA_FORMAT_GR1616] = BRW_SURFACEFORMAT_R16G16_UNORM,
 357       [MESA_FORMAT_RG1616] = 0,
 358       [MESA_FORMAT_ARGB2101010] = BRW_SURFACEFORMAT_B10G10R10A2_UNORM,
 359       [MESA_FORMAT_Z24_S8] = 0,
 360       [MESA_FORMAT_S8_Z24] = 0,
 361       [MESA_FORMAT_Z16] = 0,
 362       [MESA_FORMAT_X8_Z24] = 0,
 363       [MESA_FORMAT_Z24_X8] = 0,
 364       [MESA_FORMAT_Z32] = 0,
 365       [MESA_FORMAT_S8] = 0,
 366
 367       [MESA_FORMAT_SRGB8] = 0,
 368       [MESA_FORMAT_SRGBA8] = 0,
 369       [MESA_FORMAT_SARGB8] = BRW_SURFACEFORMAT_B8G8R8A8_UNORM_SRGB,
 370       [MESA_FORMAT_SL8] = BRW_SURFACEFORMAT_L8_UNORM_SRGB,
 371       [MESA_FORMAT_SLA8] = BRW_SURFACEFORMAT_L8A8_UNORM_SRGB,
 372       [MESA_FORMAT_SRGB_DXT1] = BRW_SURFACEFORMAT_DXT1_RGB_SRGB,
 373       [MESA_FORMAT_SRGBA_DXT1] = BRW_SURFACEFORMAT_BC1_UNORM_SRGB,
 374       [MESA_FORMAT_SRGBA_DXT3] = BRW_SURFACEFORMAT_BC2_UNORM_SRGB,
 375       [MESA_FORMAT_SRGBA_DXT5] = BRW_SURFACEFORMAT_BC3_UNORM_SRGB,
 376
 377       [MESA_FORMAT_RGB_FXT1] = BRW_SURFACEFORMAT_FXT1,
 378       [MESA_FORMAT_RGBA_FXT1] = BRW_SURFACEFORMAT_FXT1,
 379       [MESA_FORMAT_RGB_DXT1] = BRW_SURFACEFORMAT_DXT1_RGB,
 380       [MESA_FORMAT_RGBA_DXT1] = BRW_SURFACEFORMAT_BC1_UNORM,
 381       [MESA_FORMAT_RGBA_DXT3] = BRW_SURFACEFORMAT_BC2_UNORM,
 382       [MESA_FORMAT_RGBA_DXT5] = BRW_SURFACEFORMAT_BC3_UNORM,
 383
 384       [MESA_FORMAT_RGBA_FLOAT32] = BRW_SURFACEFORMAT_R32G32B32A32_FLOAT,
 385       [MESA_FORMAT_RGBA_FLOAT16] = BRW_SURFACEFORMAT_R16G16B16A16_FLOAT,
 386       [MESA_FORMAT_RGB_FLOAT32] = BRW_SURFACEFORMAT_R32G32B32_FLOAT,
 387       [MESA_FORMAT_RGB_FLOAT16] = BRW_SURFACEFORMAT_R16G16B16_FLOAT,
 388       [MESA_FORMAT_ALPHA_FLOAT32] = BRW_SURFACEFORMAT_A32_FLOAT,
 389       [MESA_FORMAT_ALPHA_FLOAT16] = BRW_SURFACEFORMAT_A16_FLOAT,
 390       [MESA_FORMAT_LUMINANCE_FLOAT32] = BRW_SURFACEFORMAT_L32_FLOAT,
 391       [MESA_FORMAT_LUMINANCE_FLOAT16] = BRW_SURFACEFORMAT_L16_FLOAT,
 392       [MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32] = BRW_SURFACEFORMAT_L32A32_FLOAT,
 393       [MESA_FORMAT_LUMINANCE_ALPHA_FLOAT16] = BRW_SURFACEFORMAT_L16A16_FLOAT,
 394       [MESA_FORMAT_INTENSITY_FLOAT32] = BRW_SURFACEFORMAT_I32_FLOAT,
 395       [MESA_FORMAT_INTENSITY_FLOAT16] = BRW_SURFACEFORMAT_I16_FLOAT,
 396       [MESA_FORMAT_R_FLOAT32] = BRW_SURFACEFORMAT_R32_FLOAT,
 397       [MESA_FORMAT_R_FLOAT16] = BRW_SURFACEFORMAT_R16_FLOAT,
 398       [MESA_FORMAT_RG_FLOAT32] = BRW_SURFACEFORMAT_R32G32_FLOAT,
 399       [MESA_FORMAT_RG_FLOAT16] = BRW_SURFACEFORMAT_R16G16_FLOAT,
 400
 401       [MESA_FORMAT_ALPHA_UINT8] = 0,
 402       [MESA_FORMAT_ALPHA_UINT16] = 0,
 403       [MESA_FORMAT_ALPHA_UINT32] = 0,
 404       [MESA_FORMAT_ALPHA_INT8] = 0,
 405       [MESA_FORMAT_ALPHA_INT16] = 0,
 406       [MESA_FORMAT_ALPHA_INT32] = 0,
 407
 408       [MESA_FORMAT_INTENSITY_UINT8] = 0,
 409       [MESA_FORMAT_INTENSITY_UINT16] = 0,
 410       [MESA_FORMAT_INTENSITY_UINT32] = 0,
 411       [MESA_FORMAT_INTENSITY_INT8] = 0,
 412       [MESA_FORMAT_INTENSITY_INT16] = 0,
 413       [MESA_FORMAT_INTENSITY_INT32] = 0,
 414
 415       [MESA_FORMAT_LUMINANCE_UINT8] = 0,
 416       [MESA_FORMAT_LUMINANCE_UINT16] = 0,
 417       [MESA_FORMAT_LUMINANCE_UINT32] = 0,
 418       [MESA_FORMAT_LUMINANCE_INT8] = 0,
 419       [MESA_FORMAT_LUMINANCE_INT16] = 0,
 420       [MESA_FORMAT_LUMINANCE_INT32] = 0,
 421
 422       [MESA_FORMAT_LUMINANCE_ALPHA_UINT8] = 0,
 423       [MESA_FORMAT_LUMINANCE_ALPHA_UINT16] = 0,
 424       [MESA_FORMAT_LUMINANCE_ALPHA_UINT32] = 0,
 425       [MESA_FORMAT_LUMINANCE_ALPHA_INT8] = 0,
 426       [MESA_FORMAT_LUMINANCE_ALPHA_INT16] = 0,
 427       [MESA_FORMAT_LUMINANCE_ALPHA_INT32] = 0,
 428
 429       [MESA_FORMAT_R_INT8] = BRW_SURFACEFORMAT_R8_SINT,
 430       [MESA_FORMAT_RG_INT8] = BRW_SURFACEFORMAT_R8G8_SINT,
 431       [MESA_FORMAT_RGB_INT8] = BRW_SURFACEFORMAT_R8G8B8_SINT,
 432       [MESA_FORMAT_RGBA_INT8] = BRW_SURFACEFORMAT_R8G8B8A8_SINT,
 433       [MESA_FORMAT_R_INT16] = BRW_SURFACEFORMAT_R16_SINT,
 434       [MESA_FORMAT_RG_INT16] = BRW_SURFACEFORMAT_R16G16_SINT,
 435       [MESA_FORMAT_RGB_INT16] = BRW_SURFACEFORMAT_R16G16B16_SINT,
 436       [MESA_FORMAT_RGBA_INT16] = BRW_SURFACEFORMAT_R16G16B16A16_SINT,
 437       [MESA_FORMAT_R_INT32] = BRW_SURFACEFORMAT_R32_SINT,
 438       [MESA_FORMAT_RG_INT32] = BRW_SURFACEFORMAT_R32G32_SINT,
 439       [MESA_FORMAT_RGB_INT32] = BRW_SURFACEFORMAT_R32G32B32_SINT,
 440       [MESA_FORMAT_RGBA_INT32] = BRW_SURFACEFORMAT_R32G32B32A32_SINT,
 441
 442       [MESA_FORMAT_R_UINT8] = BRW_SURFACEFORMAT_R8_UINT,
 443       [MESA_FORMAT_RG_UINT8] = BRW_SURFACEFORMAT_R8G8_UINT,
 444       [MESA_FORMAT_RGB_UINT8] = BRW_SURFACEFORMAT_R8G8B8_UINT,
 445       [MESA_FORMAT_RGBA_UINT8] = BRW_SURFACEFORMAT_R8G8B8A8_UINT,
 446       [MESA_FORMAT_R_UINT16] = BRW_SURFACEFORMAT_R16_UINT,
 447       [MESA_FORMAT_RG_UINT16] = BRW_SURFACEFORMAT_R16G16_UINT,
 448       [MESA_FORMAT_RGB_UINT16] = BRW_SURFACEFORMAT_R16G16B16_UINT,
 449       [MESA_FORMAT_RGBA_UINT16] = BRW_SURFACEFORMAT_R16G16B16A16_UINT,
 450       [MESA_FORMAT_R_UINT32] = BRW_SURFACEFORMAT_R32_UINT,
 451       [MESA_FORMAT_RG_UINT32] = BRW_SURFACEFORMAT_R32G32_UINT,
 452       [MESA_FORMAT_RGB_UINT32] = BRW_SURFACEFORMAT_R32G32B32_UINT,
 453       [MESA_FORMAT_RGBA_UINT32] = BRW_SURFACEFORMAT_R32G32B32A32_UINT,
 454
 455       [MESA_FORMAT_DUDV8] = BRW_SURFACEFORMAT_R8G8_SNORM,
 456       [MESA_FORMAT_SIGNED_R8] = BRW_SURFACEFORMAT_R8_SNORM,
 457       [MESA_FORMAT_SIGNED_RG88_REV] = BRW_SURFACEFORMAT_R8G8_SNORM,
 458       [MESA_FORMAT_SIGNED_RGBX8888] = 0,
 459       [MESA_FORMAT_SIGNED_RGBA8888] = 0,
 460       [MESA_FORMAT_SIGNED_RGBA8888_REV] = BRW_SURFACEFORMAT_R8G8B8A8_SNORM,
 461       [MESA_FORMAT_SIGNED_R16] = BRW_SURFACEFORMAT_R16_SNORM,
 462       [MESA_FORMAT_SIGNED_GR1616] = BRW_SURFACEFORMAT_R16G16_SNORM,
 463       [MESA_FORMAT_SIGNED_RGB_16] = BRW_SURFACEFORMAT_R16G16B16_SNORM,
 464       [MESA_FORMAT_SIGNED_RGBA_16] = BRW_SURFACEFORMAT_R16G16B16A16_SNORM,
 465       [MESA_FORMAT_RGBA_16] = BRW_SURFACEFORMAT_R16G16B16A16_UNORM,
 466
 467       [MESA_FORMAT_RED_RGTC1] = BRW_SURFACEFORMAT_BC4_UNORM,
 468       [MESA_FORMAT_SIGNED_RED_RGTC1] = BRW_SURFACEFORMAT_BC4_SNORM,
 469       [MESA_FORMAT_RG_RGTC2] = BRW_SURFACEFORMAT_BC5_UNORM,
 470       [MESA_FORMAT_SIGNED_RG_RGTC2] = BRW_SURFACEFORMAT_BC5_SNORM,
 471
 472       [MESA_FORMAT_L_LATC1] = 0,
 473       [MESA_FORMAT_SIGNED_L_LATC1] = 0,
 474       [MESA_FORMAT_LA_LATC2] = 0,
 475       [MESA_FORMAT_SIGNED_LA_LATC2] = 0,
 476
 477       [MESA_FORMAT_ETC1_RGB8] = BRW_SURFACEFORMAT_ETC1_RGB8,
 478       [MESA_FORMAT_ETC2_RGB8] = BRW_SURFACEFORMAT_ETC2_RGB8,
 479       [MESA_FORMAT_ETC2_SRGB8] = BRW_SURFACEFORMAT_ETC2_SRGB8,
 480       [MESA_FORMAT_ETC2_RGBA8_EAC] = BRW_SURFACEFORMAT_ETC2_EAC_RGBA8,
 481       [MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC] = BRW_SURFACEFORMAT_ETC2_EAC_SRGB8_A8,
 482       [MESA_FORMAT_ETC2_R11_EAC] = BRW_SURFACEFORMAT_EAC_R11,
 483       [MESA_FORMAT_ETC2_RG11_EAC] = BRW_SURFACEFORMAT_EAC_RG11,
 484       [MESA_FORMAT_ETC2_SIGNED_R11_EAC] = BRW_SURFACEFORMAT_EAC_SIGNED_R11,
 485       [MESA_FORMAT_ETC2_SIGNED_RG11_EAC] = BRW_SURFACEFORMAT_EAC_SIGNED_RG11,
 486       [MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1] = BRW_SURFACEFORMAT_ETC2_RGB8_PTA,
 487       [MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1] = BRW_SURFACEFORMAT_ETC2_SRGB8_PTA,
 488
 489       [MESA_FORMAT_SIGNED_A8] = 0,
 490       [MESA_FORMAT_SIGNED_L8] = 0,
 491       [MESA_FORMAT_SIGNED_AL88] = 0,
 492       [MESA_FORMAT_SIGNED_I8] = 0,
 493       [MESA_FORMAT_SIGNED_A16] = 0,
 494       [MESA_FORMAT_SIGNED_L16] = 0,
 495       [MESA_FORMAT_SIGNED_AL1616] = 0,
 496       [MESA_FORMAT_SIGNED_I16] = 0,
 497
 498       [MESA_FORMAT_RGB9_E5_FLOAT] = BRW_SURFACEFORMAT_R9G9B9E5_SHAREDEXP,
 499       [MESA_FORMAT_R11_G11_B10_FLOAT] = BRW_SURFACEFORMAT_R11G11B10_FLOAT,
 500
 501       [MESA_FORMAT_Z32_FLOAT] = 0,
 502       [MESA_FORMAT_Z32_FLOAT_X24S8] = 0,
 503
 504       [MESA_FORMAT_ARGB2101010_UINT] = BRW_SURFACEFORMAT_B10G10R10A2_UINT,
 505       [MESA_FORMAT_ABGR2101010_UINT] = BRW_SURFACEFORMAT_R10G10B10A2_UINT,
 506
 507       [MESA_FORMAT_XRGB4444_UNORM] = 0,
 508       [MESA_FORMAT_XRGB1555_UNORM] = BRW_SURFACEFORMAT_B5G5R5X1_UNORM,
 509       [MESA_FORMAT_XBGR8888_SNORM] = 0,
 510       [MESA_FORMAT_XBGR8888_SRGB] = 0,
 511       [MESA_FORMAT_XBGR8888_UINT] = 0,
 512       [MESA_FORMAT_XBGR8888_SINT] = 0,
 513       [MESA_FORMAT_XRGB2101010_UNORM] = BRW_SURFACEFORMAT_B10G10R10X2_UNORM,
 514       [MESA_FORMAT_XBGR16161616_UNORM] = BRW_SURFACEFORMAT_R16G16B16X16_UNORM,
 515       [MESA_FORMAT_XBGR16161616_SNORM] = 0,
 516       [MESA_FORMAT_XBGR16161616_FLOAT] = BRW_SURFACEFORMAT_R16G16B16X16_FLOAT,
 517       [MESA_FORMAT_XBGR16161616_UINT] = 0,
 518       [MESA_FORMAT_XBGR16161616_SINT] = 0,
 519       [MESA_FORMAT_XBGR32323232_FLOAT] = BRW_SURFACEFORMAT_R32G32B32X32_FLOAT,
 520       [MESA_FORMAT_XBGR32323232_UINT] = 0,
 521       [MESA_FORMAT_XBGR32323232_SINT] = 0,
 522    };
 523    assert(mesa_format < MESA_FORMAT_COUNT);
 524    return table[mesa_format];
 525 }
 526
 527 void
 528 brw_init_surface_formats(struct brw_context *brw)
 529 {
 530    struct gl_context *ctx = &brw->ctx;
 531    int gen;
 532    gl_format format;
 533
 534    gen = brw->gen * 10;
 535    if (brw->is_g4x)
 536       gen += 5;
 537
 538    for (format = MESA_FORMAT_NONE + 1; format < MESA_FORMAT_COUNT; format++) {
 539       uint32_t texture, render;
 540       const struct surface_format_info *rinfo, *tinfo;
 541       bool is_integer = _mesa_is_format_integer_color(format);
 542
 543       render = texture = brw_format_for_mesa_format(format);
 544       tinfo = &surface_formats[texture];
 545
 546       /* The value of BRW_SURFACEFORMAT_R32G32B32A32_FLOAT is 0, so don't skip
 547        * it.
 548        */
 549       if (texture == 0 && format != MESA_FORMAT_RGBA_FLOAT32)
 550          continue;
 551
 552       if (gen >= tinfo->sampling && (gen >= tinfo->filtering || is_integer))
 553          ctx->TextureFormatSupported[format] = true;
 554
 555       /* Re-map some render target formats to make them supported when they
 556        * wouldn't be using their format for texturing.
 557        */
 558       switch (render) {
 559          /* For these formats, we just need to read/write the first
 560           * channel into R, which is to say that we just treat them as
 561           * GL_RED.
 562           */
 563       case BRW_SURFACEFORMAT_I32_FLOAT:
 564       case BRW_SURFACEFORMAT_L32_FLOAT:
 565          render = BRW_SURFACEFORMAT_R32_FLOAT;
 566          break;
 567       case BRW_SURFACEFORMAT_I16_FLOAT:
 568       case BRW_SURFACEFORMAT_L16_FLOAT:
 569          render = BRW_SURFACEFORMAT_R16_FLOAT;
 570          break;
 571       case BRW_SURFACEFORMAT_B8G8R8X8_UNORM:
 572          /* XRGB is handled as ARGB because the chips in this family
 573           * cannot render to XRGB targets.  This means that we have to
 574           * mask writes to alpha (ala glColorMask) and reconfigure the
 575           * alpha blending hardware to use GL_ONE (or GL_ZERO) for
 576           * cases where GL_DST_ALPHA (or GL_ONE_MINUS_DST_ALPHA) is
 577           * used.
 578           */
 579          render = BRW_SURFACEFORMAT_B8G8R8A8_UNORM;
 580          break;
 581       }
 582
 583       rinfo = &surface_formats[render];
 584
 585       /* Note that GL_EXT_texture_integer says that blending doesn't occur for
 586        * integer, so we don't need hardware support for blending on it.  Other
 587        * than that, GL in general requires alpha blending for render targets,
 588        * even though we don't support it for some formats.
 589        */
 590       if (gen >= rinfo->render_target &&
 591           (gen >= rinfo->alpha_blend || is_integer)) {
 592          brw->render_target_format[format] = render;
 593          brw->format_supported_as_render_target[format] = true;
 594       }
 595    }
 596
 597    /* We will check this table for FBO completeness, but the surface format
 598     * table above only covered color rendering.
 599     */
 600    brw->format_supported_as_render_target[MESA_FORMAT_S8_Z24] = true;
 601    brw->format_supported_as_render_target[MESA_FORMAT_X8_Z24] = true;
 602    brw->format_supported_as_render_target[MESA_FORMAT_S8] = true;
 603    brw->format_supported_as_render_target[MESA_FORMAT_Z16] = true;
 604    brw->format_supported_as_render_target[MESA_FORMAT_Z32_FLOAT] = true;
 605    brw->format_supported_as_render_target[MESA_FORMAT_Z32_FLOAT_X24S8] = true;
 606
 607    /* We remap depth formats to a supported texturing format in
 608     * translate_tex_format().
 609     */
 610    ctx->TextureFormatSupported[MESA_FORMAT_S8_Z24] = true;
 611    ctx->TextureFormatSupported[MESA_FORMAT_X8_Z24] = true;
 612    ctx->TextureFormatSupported[MESA_FORMAT_Z32_FLOAT] = true;
 613    ctx->TextureFormatSupported[MESA_FORMAT_Z32_FLOAT_X24S8] = true;
 614
 615    /* It appears that Z16 is slower than Z24 (on Intel Ivybridge and newer
 616     * hardware at least), so there's no real reason to prefer it unless you're
 617     * under memory (not memory bandwidth) pressure.  Our speculation is that
 618     * this is due to either increased fragment shader execution from
 619     * GL_LEQUAL/GL_EQUAL depth tests at the reduced precision, or due to
 620     * increased depth stalls from a cacheline-based heuristic for detecting
 621     * depth stalls.
 622     *
 623     * However, desktop GL 3.0+ require that you get exactly 16 bits when
 624     * asking for DEPTH_COMPONENT16, so we have to respect that.
 625     */
 626    if (_mesa_is_desktop_gl(ctx))
 627       ctx->TextureFormatSupported[MESA_FORMAT_Z16] = true;
 628
 629    /* On hardware that lacks support for ETC1, we map ETC1 to RGBX
 630     * during glCompressedTexImage2D(). See intel_mipmap_tree::wraps_etc1.
 631     */
 632    ctx->TextureFormatSupported[MESA_FORMAT_ETC1_RGB8] = true;
 633
 634    /* On hardware that lacks support for ETC2, we map ETC2 to a suitable
 635     * MESA_FORMAT during glCompressedTexImage2D().
 636     * See intel_mipmap_tree::wraps_etc2.
 637     */
 638    ctx->TextureFormatSupported[MESA_FORMAT_ETC2_RGB8] = true;
 639    ctx->TextureFormatSupported[MESA_FORMAT_ETC2_SRGB8] = true;
 640    ctx->TextureFormatSupported[MESA_FORMAT_ETC2_RGBA8_EAC] = true;
 641    ctx->TextureFormatSupported[MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC] = true;
 642    ctx->TextureFormatSupported[MESA_FORMAT_ETC2_R11_EAC] = true;
 643    ctx->TextureFormatSupported[MESA_FORMAT_ETC2_RG11_EAC] = true;
 644    ctx->TextureFormatSupported[MESA_FORMAT_ETC2_SIGNED_R11_EAC] = true;
 645    ctx->TextureFormatSupported[MESA_FORMAT_ETC2_SIGNED_RG11_EAC] = true;
 646    ctx->TextureFormatSupported[MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1] = true;
 647    ctx->TextureFormatSupported[MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1] = true;
 648 }
 649
 650 bool
 651 brw_render_target_supported(struct brw_context *brw,
 652                             struct gl_renderbuffer *rb)
 653 {
 654    gl_format format = rb->Format;
 655
 656    /* Many integer formats are promoted to RGBA (like XRGB8888 is), which means
 657     * we would consider them renderable even though we don't have surface
 658     * support for their alpha behavior and don't have the blending unit
 659     * available to fake it like we do for XRGB8888.  Force them to being
 660     * unsupported.
 661     */
 662    if ((rb->_BaseFormat != GL_RGBA &&
 663         rb->_BaseFormat != GL_RG &&
 664         rb->_BaseFormat != GL_RED) && _mesa_is_format_integer_color(format))
 665       return false;
 666
 667    /* Under some conditions, MSAA is not supported for formats whose width is
 668     * more than 64 bits.
 669     */
 670    if (rb->NumSamples > 0 && _mesa_get_format_bytes(format) > 8) {
 671       /* Gen6: MSAA on >64 bit formats is unsupported. */
 672       if (brw->gen <= 6)
 673          return false;
 674
 675       /* Gen7: 8x MSAA on >64 bit formats is unsupported. */
 676       if (rb->NumSamples >= 8)
 677          return false;
 678    }
 679
 680    return brw->format_supported_as_render_target[format];
 681 }
 682
 683 GLuint
 684 translate_tex_format(struct brw_context *brw,
 685                      gl_format mesa_format,
 686                      GLenum depth_mode,
 687                      GLenum srgb_decode)
 688 {
 689    struct gl_context *ctx = &brw->ctx;
 690    if (srgb_decode == GL_SKIP_DECODE_EXT)
 691       mesa_format = _mesa_get_srgb_format_linear(mesa_format);
 692
 693    switch( mesa_format ) {
 694
 695    case MESA_FORMAT_Z16:
 696       return BRW_SURFACEFORMAT_I16_UNORM;
 697
 698    case MESA_FORMAT_S8_Z24:
 699    case MESA_FORMAT_X8_Z24:
 700       return BRW_SURFACEFORMAT_I24X8_UNORM;
 701
 702    case MESA_FORMAT_Z32_FLOAT:
 703       return BRW_SURFACEFORMAT_I32_FLOAT;
 704
 705    case MESA_FORMAT_Z32_FLOAT_X24S8:
 706       return BRW_SURFACEFORMAT_R32G32_FLOAT;
 707
 708    case MESA_FORMAT_RGBA_FLOAT32:
 709       /* The value of this BRW_SURFACEFORMAT is 0, which tricks the
 710        * assertion below.
 711        */
 712       return BRW_SURFACEFORMAT_R32G32B32A32_FLOAT;
 713
 714    case MESA_FORMAT_SRGB_DXT1:
 715       if (brw->gen == 4 && !brw->is_g4x) {
 716          /* Work around missing SRGB DXT1 support on original gen4 by just
 717           * skipping SRGB decode.  It's not worth not supporting sRGB in
 718           * general to prevent this.
 719           */
 720          WARN_ONCE(true, "Demoting sRGB DXT1 texture to non-sRGB\n");
 721          mesa_format = MESA_FORMAT_RGB_DXT1;
 722       }
 723       return brw_format_for_mesa_format(mesa_format);
 724
 725    default:
 726       assert(brw_format_for_mesa_format(mesa_format) != 0);
 727       return brw_format_for_mesa_format(mesa_format);
 728    }
 729 }
 730
 731 /** Can HiZ be enabled on a depthbuffer of the given format? */
 732 bool
 733 brw_is_hiz_depth_format(struct brw_context *brw, gl_format format)
 734 {
 735    if (!brw->has_hiz)
 736       return false;
 737
 738    switch (format) {
 739    case MESA_FORMAT_Z32_FLOAT:
 740    case MESA_FORMAT_Z32_FLOAT_X24S8:
 741    case MESA_FORMAT_X8_Z24:
 742    case MESA_FORMAT_S8_Z24:
 743    case MESA_FORMAT_Z16:
 744       return true;
 745    default:
 746       return false;
 747    }
 748 }