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  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. }
  749.