src/gallium/drivers/ilo/ilo_format.c

   1 /*
   2  * Mesa 3-D graphics library
   3  *
   4  * Copyright (C) 2012-2013 LunarG, Inc.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the "Software"),
   8  * to deal in the Software without restriction, including without limitation
   9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10  * and/or sell copies of the Software, and to permit persons to whom the
  11  * Software is furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included
  14  * in all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  21  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  22  * DEALINGS IN THE SOFTWARE.
  23  *
  24  * Authors:
  25  *    Chia-I Wu <olv@lunarg.com>
  26  */
  27
  28 #include "vl/vl_video_buffer.h"
  29 #include "brw_defines.h"
  30
  31 #include "ilo_screen.h"
  32 #include "ilo_format.h"
  33
  34 /* stolen from classic i965 */
  35 struct surface_format_info {
  36    bool exists;
  37    int sampling;
  38    int filtering;
  39    int shadow_compare;
  40    int chroma_key;
  41    int render_target;
  42    int alpha_blend;
  43    int input_vb;
  44    int streamed_output_vb;
  45    int color_processing;
  46 };
  47
  48 /* This macro allows us to write the table almost as it appears in the PRM,
  49  * while restructuring it to turn it into the C code we want.
  50  */
  51 #define SF(sampl, filt, shad, ck, rt, ab, vb, so, color, sf) \
  52    [sf] = { true, sampl, filt, shad, ck, rt, ab, vb, so, color },
  53
  54 #define Y 0
  55 #define x 999
  56 /**
  57  * This is the table of support for surface (texture, renderbuffer, and vertex
  58  * buffer, but not depthbuffer) formats across the various hardware generations.
  59  *
  60  * The table is formatted to match the documentation, except that the docs have
  61  * this ridiculous mapping of Y[*+~^#&] for "supported on DevWhatever".  To put
  62  * it in our table, here's the mapping:
  63  *
  64  * Y*: 45
  65  * Y+: 45 (g45/gm45)
  66  * Y~: 50 (gen5)
  67  * Y^: 60 (gen6)
  68  * Y#: 70 (gen7)
  69  *
  70  * The abbreviations in the header below are:
  71  * smpl  - Sampling Engine
  72  * filt  - Sampling Engine Filtering
  73  * shad  - Sampling Engine Shadow Map
  74  * CK    - Sampling Engine Chroma Key
  75  * RT    - Render Target
  76  * AB    - Alpha Blend Render Target
  77  * VB    - Input Vertex Buffer
  78  * SO    - Steamed Output Vertex Buffers (transform feedback)
  79  * color - Color Processing
  80  *
  81  * See page 88 of the Sandybridge PRM VOL4_Part1 PDF.
  82  */
  83 static const struct surface_format_info surface_formats[] = {
  84 /* smpl filt shad CK  RT  AB  VB  SO  color */
  85    SF( Y, 50,  x,  x,  Y,  Y,  Y,  Y,  x, BRW_SURFACEFORMAT_R32G32B32A32_FLOAT)
  86    SF( Y,  x,  x,  x,  Y,  x,  Y,  Y,  x, BRW_SURFACEFORMAT_R32G32B32A32_SINT)
  87    SF( Y,  x,  x,  x,  Y,  x,  Y,  Y,  x, BRW_SURFACEFORMAT_R32G32B32A32_UINT)
  88    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R32G32B32A32_UNORM)
  89    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R32G32B32A32_SNORM)
  90    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R64G64_FLOAT)
  91    SF( Y, 50,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_R32G32B32X32_FLOAT)
  92    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R32G32B32A32_SSCALED)
  93    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R32G32B32A32_USCALED)
  94    SF( Y, 50,  x,  x,  x,  x,  Y,  Y,  x, BRW_SURFACEFORMAT_R32G32B32_FLOAT)
  95    SF( Y,  x,  x,  x,  x,  x,  Y,  Y,  x, BRW_SURFACEFORMAT_R32G32B32_SINT)
  96    SF( Y,  x,  x,  x,  x,  x,  Y,  Y,  x, BRW_SURFACEFORMAT_R32G32B32_UINT)
  97    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R32G32B32_UNORM)
  98    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R32G32B32_SNORM)
  99    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R32G32B32_SSCALED)
 100    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R32G32B32_USCALED)
 101    SF( Y,  Y,  x,  x,  Y, 45,  Y,  x, 60, BRW_SURFACEFORMAT_R16G16B16A16_UNORM)
 102    SF( Y,  Y,  x,  x,  Y, 60,  Y,  x,  x, BRW_SURFACEFORMAT_R16G16B16A16_SNORM)
 103    SF( Y,  x,  x,  x,  Y,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R16G16B16A16_SINT)
 104    SF( Y,  x,  x,  x,  Y,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R16G16B16A16_UINT)
 105    SF( Y,  Y,  x,  x,  Y,  Y,  Y,  x,  x, BRW_SURFACEFORMAT_R16G16B16A16_FLOAT)
 106    SF( Y, 50,  x,  x,  Y,  Y,  Y,  Y,  x, BRW_SURFACEFORMAT_R32G32_FLOAT)
 107    SF( Y,  x,  x,  x,  Y,  x,  Y,  Y,  x, BRW_SURFACEFORMAT_R32G32_SINT)
 108    SF( Y,  x,  x,  x,  Y,  x,  Y,  Y,  x, BRW_SURFACEFORMAT_R32G32_UINT)
 109    SF( Y, 50,  Y,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_R32_FLOAT_X8X24_TYPELESS)
 110    SF( Y,  x,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_X32_TYPELESS_G8X24_UINT)
 111    SF( Y, 50,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_L32A32_FLOAT)
 112    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R32G32_UNORM)
 113    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R32G32_SNORM)
 114    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R64_FLOAT)
 115    SF( Y,  Y,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_R16G16B16X16_UNORM)
 116    SF( Y,  Y,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_R16G16B16X16_FLOAT)
 117    SF( Y, 50,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_A32X32_FLOAT)
 118    SF( Y, 50,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_L32X32_FLOAT)
 119    SF( Y, 50,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_I32X32_FLOAT)
 120    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R16G16B16A16_SSCALED)
 121    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R16G16B16A16_USCALED)
 122    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R32G32_SSCALED)
 123    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R32G32_USCALED)
 124    SF( Y,  Y,  x,  Y,  Y,  Y,  Y,  x, 60, BRW_SURFACEFORMAT_B8G8R8A8_UNORM)
 125    SF( Y,  Y,  x,  x,  Y,  Y,  x,  x,  x, BRW_SURFACEFORMAT_B8G8R8A8_UNORM_SRGB)
 126 /* smpl filt shad CK  RT  AB  VB  SO  color */
 127    SF( Y,  Y,  x,  x,  Y,  Y,  Y,  x, 60, BRW_SURFACEFORMAT_R10G10B10A2_UNORM)
 128    SF( Y,  Y,  x,  x,  x,  x,  x,  x, 60, BRW_SURFACEFORMAT_R10G10B10A2_UNORM_SRGB)
 129    SF( Y,  x,  x,  x,  Y,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R10G10B10A2_UINT)
 130    SF( Y,  Y,  x,  x,  x,  Y,  Y,  x,  x, BRW_SURFACEFORMAT_R10G10B10_SNORM_A2_UNORM)
 131    SF( Y,  Y,  x,  x,  Y,  Y,  Y,  x, 60, BRW_SURFACEFORMAT_R8G8B8A8_UNORM)
 132    SF( Y,  Y,  x,  x,  Y,  Y,  x,  x, 60, BRW_SURFACEFORMAT_R8G8B8A8_UNORM_SRGB)
 133    SF( Y,  Y,  x,  x,  Y, 60,  Y,  x,  x, BRW_SURFACEFORMAT_R8G8B8A8_SNORM)
 134    SF( Y,  x,  x,  x,  Y,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R8G8B8A8_SINT)
 135    SF( Y,  x,  x,  x,  Y,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R8G8B8A8_UINT)
 136    SF( Y,  Y,  x,  x,  Y, 45,  Y,  x,  x, BRW_SURFACEFORMAT_R16G16_UNORM)
 137    SF( Y,  Y,  x,  x,  Y, 60,  Y,  x,  x, BRW_SURFACEFORMAT_R16G16_SNORM)
 138    SF( Y,  x,  x,  x,  Y,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R16G16_SINT)
 139    SF( Y,  x,  x,  x,  Y,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R16G16_UINT)
 140    SF( Y,  Y,  x,  x,  Y,  Y,  Y,  x,  x, BRW_SURFACEFORMAT_R16G16_FLOAT)
 141    SF( Y,  Y,  x,  x,  Y,  Y,  x,  x, 60, BRW_SURFACEFORMAT_B10G10R10A2_UNORM)
 142    SF( Y,  Y,  x,  x,  Y,  Y,  x,  x, 60, BRW_SURFACEFORMAT_B10G10R10A2_UNORM_SRGB)
 143    SF( Y,  Y,  x,  x,  Y,  Y,  Y,  x,  x, BRW_SURFACEFORMAT_R11G11B10_FLOAT)
 144    SF( Y,  x,  x,  x,  Y,  x,  Y,  Y,  x, BRW_SURFACEFORMAT_R32_SINT)
 145    SF( Y,  x,  x,  x,  Y,  x,  Y,  Y,  x, BRW_SURFACEFORMAT_R32_UINT)
 146    SF( Y, 50,  Y,  x,  Y,  Y,  Y,  Y,  x, BRW_SURFACEFORMAT_R32_FLOAT)
 147    SF( Y, 50,  Y,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_R24_UNORM_X8_TYPELESS)
 148    SF( Y,  x,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_X24_TYPELESS_G8_UINT)
 149    SF( Y,  Y,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_L16A16_UNORM)
 150    SF( Y, 50,  Y,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_I24X8_UNORM)
 151    SF( Y, 50,  Y,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_L24X8_UNORM)
 152    SF( Y, 50,  Y,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_A24X8_UNORM)
 153    SF( Y, 50,  Y,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_I32_FLOAT)
 154    SF( Y, 50,  Y,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_L32_FLOAT)
 155    SF( Y, 50,  Y,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_A32_FLOAT)
 156    SF( Y,  Y,  x,  Y,  x,  x,  x,  x, 60, BRW_SURFACEFORMAT_B8G8R8X8_UNORM)
 157    SF( Y,  Y,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_B8G8R8X8_UNORM_SRGB)
 158    SF( Y,  Y,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_R8G8B8X8_UNORM)
 159    SF( Y,  Y,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_R8G8B8X8_UNORM_SRGB)
 160    SF( Y,  Y,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_R9G9B9E5_SHAREDEXP)
 161    SF( Y,  Y,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_B10G10R10X2_UNORM)
 162    SF( Y,  Y,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_L16A16_FLOAT)
 163    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R32_UNORM)
 164    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R32_SNORM)
 165 /* smpl filt shad CK  RT  AB  VB  SO  color */
 166    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R10G10B10X2_USCALED)
 167    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R8G8B8A8_SSCALED)
 168    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R8G8B8A8_USCALED)
 169    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R16G16_SSCALED)
 170    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R16G16_USCALED)
 171    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R32_SSCALED)
 172    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R32_USCALED)
 173    SF( Y,  Y,  x,  Y,  Y,  Y,  x,  x,  x, BRW_SURFACEFORMAT_B5G6R5_UNORM)
 174    SF( Y,  Y,  x,  x,  Y,  Y,  x,  x,  x, BRW_SURFACEFORMAT_B5G6R5_UNORM_SRGB)
 175    SF( Y,  Y,  x,  Y,  Y,  Y,  x,  x,  x, BRW_SURFACEFORMAT_B5G5R5A1_UNORM)
 176    SF( Y,  Y,  x,  x,  Y,  Y,  x,  x,  x, BRW_SURFACEFORMAT_B5G5R5A1_UNORM_SRGB)
 177    SF( Y,  Y,  x,  Y,  Y,  Y,  x,  x,  x, BRW_SURFACEFORMAT_B4G4R4A4_UNORM)
 178    SF( Y,  Y,  x,  x,  Y,  Y,  x,  x,  x, BRW_SURFACEFORMAT_B4G4R4A4_UNORM_SRGB)
 179    SF( Y,  Y,  x,  x,  Y,  Y,  Y,  x,  x, BRW_SURFACEFORMAT_R8G8_UNORM)
 180    SF( Y,  Y,  x,  Y,  Y, 60,  Y,  x,  x, BRW_SURFACEFORMAT_R8G8_SNORM)
 181    SF( Y,  x,  x,  x,  Y,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R8G8_SINT)
 182    SF( Y,  x,  x,  x,  Y,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R8G8_UINT)
 183    SF( Y,  Y,  Y,  x,  Y, 45,  Y,  x, 70, BRW_SURFACEFORMAT_R16_UNORM)
 184    SF( Y,  Y,  x,  x,  Y, 60,  Y,  x,  x, BRW_SURFACEFORMAT_R16_SNORM)
 185    SF( Y,  x,  x,  x,  Y,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R16_SINT)
 186    SF( Y,  x,  x,  x,  Y,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R16_UINT)
 187    SF( Y,  Y,  x,  x,  Y,  Y,  Y,  x,  x, BRW_SURFACEFORMAT_R16_FLOAT)
 188    SF( Y,  Y,  Y,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_I16_UNORM)
 189    SF( Y,  Y,  Y,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_L16_UNORM)
 190    SF( Y,  Y,  Y,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_A16_UNORM)
 191    SF( Y,  Y,  x,  Y,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_L8A8_UNORM)
 192    SF( Y,  Y,  Y,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_I16_FLOAT)
 193    SF( Y,  Y,  Y,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_L16_FLOAT)
 194    SF( Y,  Y,  Y,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_A16_FLOAT)
 195    SF(45, 45,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_L8A8_UNORM_SRGB)
 196    SF( Y,  Y,  x,  Y,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_R5G5_SNORM_B6_UNORM)
 197    SF( x,  x,  x,  x,  Y,  Y,  x,  x,  x, BRW_SURFACEFORMAT_B5G5R5X1_UNORM)
 198    SF( x,  x,  x,  x,  Y,  Y,  x,  x,  x, BRW_SURFACEFORMAT_B5G5R5X1_UNORM_SRGB)
 199    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R8G8_SSCALED)
 200    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R8G8_USCALED)
 201 /* smpl filt shad CK  RT  AB  VB  SO  color */
 202    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R16_SSCALED)
 203    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R16_USCALED)
 204    SF( Y,  Y,  x, 45,  Y,  Y,  Y,  x,  x, BRW_SURFACEFORMAT_R8_UNORM)
 205    SF( Y,  Y,  x,  x,  Y, 60,  Y,  x,  x, BRW_SURFACEFORMAT_R8_SNORM)
 206    SF( Y,  x,  x,  x,  Y,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R8_SINT)
 207    SF( Y,  x,  x,  x,  Y,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R8_UINT)
 208    SF( Y,  Y,  x,  Y,  Y,  Y,  x,  x,  x, BRW_SURFACEFORMAT_A8_UNORM)
 209    SF( Y,  Y,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_I8_UNORM)
 210    SF( Y,  Y,  x,  Y,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_L8_UNORM)
 211    SF( Y,  Y,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_P4A4_UNORM)
 212    SF( Y,  Y,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_A4P4_UNORM)
 213    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R8_SSCALED)
 214    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R8_USCALED)
 215    SF(45, 45,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_L8_UNORM_SRGB)
 216    SF(45, 45,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_DXT1_RGB_SRGB)
 217    SF( Y,  Y,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_R1_UINT)
 218    SF( Y,  Y,  x,  Y,  Y,  x,  x,  x, 60, BRW_SURFACEFORMAT_YCRCB_NORMAL)
 219    SF( Y,  Y,  x,  Y,  Y,  x,  x,  x, 60, BRW_SURFACEFORMAT_YCRCB_SWAPUVY)
 220    SF( Y,  Y,  x,  Y,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_BC1_UNORM)
 221    SF( Y,  Y,  x,  Y,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_BC2_UNORM)
 222    SF( Y,  Y,  x,  Y,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_BC3_UNORM)
 223    SF( Y,  Y,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_BC4_UNORM)
 224    SF( Y,  Y,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_BC5_UNORM)
 225    SF( Y,  Y,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_BC1_UNORM_SRGB)
 226    SF( Y,  Y,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_BC2_UNORM_SRGB)
 227    SF( Y,  Y,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_BC3_UNORM_SRGB)
 228    SF( Y,  x,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_MONO8)
 229    SF( Y,  Y,  x,  x,  Y,  x,  x,  x, 60, BRW_SURFACEFORMAT_YCRCB_SWAPUV)
 230    SF( Y,  Y,  x,  x,  Y,  x,  x,  x, 60, BRW_SURFACEFORMAT_YCRCB_SWAPY)
 231    SF( Y,  Y,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_DXT1_RGB)
 232 /* smpl filt shad CK  RT  AB  VB  SO  color */
 233    SF( Y,  Y,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_FXT1)
 234    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R8G8B8_UNORM)
 235    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R8G8B8_SNORM)
 236    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R8G8B8_SSCALED)
 237    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R8G8B8_USCALED)
 238    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R64G64B64A64_FLOAT)
 239    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R64G64B64_FLOAT)
 240    SF( Y,  Y,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_BC4_SNORM)
 241    SF( Y,  Y,  x,  x,  x,  x,  x,  x,  x, BRW_SURFACEFORMAT_BC5_SNORM)
 242    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R16G16B16_UNORM)
 243    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R16G16B16_SNORM)
 244    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R16G16B16_SSCALED)
 245    SF( x,  x,  x,  x,  x,  x,  Y,  x,  x, BRW_SURFACEFORMAT_R16G16B16_USCALED)
 246 };
 247 #undef x
 248 #undef Y
 249
 250 static const struct surface_format_info *
 251 lookup_surface_format_info(enum pipe_format format, unsigned bind)
 252 {
 253    static const struct surface_format_info nonexist = {
 254       .exists = false,
 255       .sampling = 999,
 256       .filtering = 999,
 257       .shadow_compare = 999,
 258       .chroma_key = 999,
 259       .render_target = 999,
 260       .alpha_blend = 999,
 261       .input_vb = 999,
 262       .streamed_output_vb = 999,
 263       .color_processing = 999,
 264    };
 265    const int surfaceformat = ilo_translate_format(format, bind);
 266
 267    return (surfaceformat >= 0 && surfaceformat < Elements(surface_formats) &&
 268            surface_formats[surfaceformat].exists) ?
 269       &surface_formats[surfaceformat] : &nonexist;
 270 }
 271
 272 /**
 273  * Translate a color (non-depth/stencil) pipe format to the matching hardware
 274  * format.  Return -1 on errors.
 275  */
 276 int
 277 ilo_translate_color_format(enum pipe_format format)
 278 {
 279    static const int format_mapping[PIPE_FORMAT_COUNT] = {
 280       [PIPE_FORMAT_NONE]                  = 0,
 281       [PIPE_FORMAT_B8G8R8A8_UNORM]        = BRW_SURFACEFORMAT_B8G8R8A8_UNORM,
 282       [PIPE_FORMAT_B8G8R8X8_UNORM]        = BRW_SURFACEFORMAT_B8G8R8X8_UNORM,
 283       [PIPE_FORMAT_A8R8G8B8_UNORM]        = 0,
 284       [PIPE_FORMAT_X8R8G8B8_UNORM]        = 0,
 285       [PIPE_FORMAT_B5G5R5A1_UNORM]        = BRW_SURFACEFORMAT_B5G5R5A1_UNORM,
 286       [PIPE_FORMAT_B4G4R4A4_UNORM]        = BRW_SURFACEFORMAT_B4G4R4A4_UNORM,
 287       [PIPE_FORMAT_B5G6R5_UNORM]          = BRW_SURFACEFORMAT_B5G6R5_UNORM,
 288       [PIPE_FORMAT_R10G10B10A2_UNORM]     = BRW_SURFACEFORMAT_R10G10B10A2_UNORM,
 289       [PIPE_FORMAT_L8_UNORM]              = BRW_SURFACEFORMAT_L8_UNORM,
 290       [PIPE_FORMAT_A8_UNORM]              = BRW_SURFACEFORMAT_A8_UNORM,
 291       [PIPE_FORMAT_I8_UNORM]              = BRW_SURFACEFORMAT_I8_UNORM,
 292       [PIPE_FORMAT_L8A8_UNORM]            = BRW_SURFACEFORMAT_L8A8_UNORM,
 293       [PIPE_FORMAT_L16_UNORM]             = BRW_SURFACEFORMAT_L16_UNORM,
 294       [PIPE_FORMAT_UYVY]                  = BRW_SURFACEFORMAT_YCRCB_SWAPUVY,
 295       [PIPE_FORMAT_YUYV]                  = BRW_SURFACEFORMAT_YCRCB_NORMAL,
 296       [PIPE_FORMAT_Z16_UNORM]             = 0,
 297       [PIPE_FORMAT_Z32_UNORM]             = 0,
 298       [PIPE_FORMAT_Z32_FLOAT]             = 0,
 299       [PIPE_FORMAT_Z24_UNORM_S8_UINT]     = 0,
 300       [PIPE_FORMAT_S8_UINT_Z24_UNORM]     = 0,
 301       [PIPE_FORMAT_Z24X8_UNORM]           = 0,
 302       [PIPE_FORMAT_X8Z24_UNORM]           = 0,
 303       [PIPE_FORMAT_S8_UINT]               = 0,
 304       [PIPE_FORMAT_R64_FLOAT]             = BRW_SURFACEFORMAT_R64_FLOAT,
 305       [PIPE_FORMAT_R64G64_FLOAT]          = BRW_SURFACEFORMAT_R64G64_FLOAT,
 306       [PIPE_FORMAT_R64G64B64_FLOAT]       = BRW_SURFACEFORMAT_R64G64B64_FLOAT,
 307       [PIPE_FORMAT_R64G64B64A64_FLOAT]    = BRW_SURFACEFORMAT_R64G64B64A64_FLOAT,
 308       [PIPE_FORMAT_R32_FLOAT]             = BRW_SURFACEFORMAT_R32_FLOAT,
 309       [PIPE_FORMAT_R32G32_FLOAT]          = BRW_SURFACEFORMAT_R32G32_FLOAT,
 310       [PIPE_FORMAT_R32G32B32_FLOAT]       = BRW_SURFACEFORMAT_R32G32B32_FLOAT,
 311       [PIPE_FORMAT_R32G32B32A32_FLOAT]    = BRW_SURFACEFORMAT_R32G32B32A32_FLOAT,
 312       [PIPE_FORMAT_R32_UNORM]             = BRW_SURFACEFORMAT_R32_UNORM,
 313       [PIPE_FORMAT_R32G32_UNORM]          = BRW_SURFACEFORMAT_R32G32_UNORM,
 314       [PIPE_FORMAT_R32G32B32_UNORM]       = BRW_SURFACEFORMAT_R32G32B32_UNORM,
 315       [PIPE_FORMAT_R32G32B32A32_UNORM]    = BRW_SURFACEFORMAT_R32G32B32A32_UNORM,
 316       [PIPE_FORMAT_R32_USCALED]           = BRW_SURFACEFORMAT_R32_USCALED,
 317       [PIPE_FORMAT_R32G32_USCALED]        = BRW_SURFACEFORMAT_R32G32_USCALED,
 318       [PIPE_FORMAT_R32G32B32_USCALED]     = BRW_SURFACEFORMAT_R32G32B32_USCALED,
 319       [PIPE_FORMAT_R32G32B32A32_USCALED]  = BRW_SURFACEFORMAT_R32G32B32A32_USCALED,
 320       [PIPE_FORMAT_R32_SNORM]             = BRW_SURFACEFORMAT_R32_SNORM,
 321       [PIPE_FORMAT_R32G32_SNORM]          = BRW_SURFACEFORMAT_R32G32_SNORM,
 322       [PIPE_FORMAT_R32G32B32_SNORM]       = BRW_SURFACEFORMAT_R32G32B32_SNORM,
 323       [PIPE_FORMAT_R32G32B32A32_SNORM]    = BRW_SURFACEFORMAT_R32G32B32A32_SNORM,
 324       [PIPE_FORMAT_R32_SSCALED]           = BRW_SURFACEFORMAT_R32_SSCALED,
 325       [PIPE_FORMAT_R32G32_SSCALED]        = BRW_SURFACEFORMAT_R32G32_SSCALED,
 326       [PIPE_FORMAT_R32G32B32_SSCALED]     = BRW_SURFACEFORMAT_R32G32B32_SSCALED,
 327       [PIPE_FORMAT_R32G32B32A32_SSCALED]  = BRW_SURFACEFORMAT_R32G32B32A32_SSCALED,
 328       [PIPE_FORMAT_R16_UNORM]             = BRW_SURFACEFORMAT_R16_UNORM,
 329       [PIPE_FORMAT_R16G16_UNORM]          = BRW_SURFACEFORMAT_R16G16_UNORM,
 330       [PIPE_FORMAT_R16G16B16_UNORM]       = BRW_SURFACEFORMAT_R16G16B16_UNORM,
 331       [PIPE_FORMAT_R16G16B16A16_UNORM]    = BRW_SURFACEFORMAT_R16G16B16A16_UNORM,
 332       [PIPE_FORMAT_R16_USCALED]           = BRW_SURFACEFORMAT_R16_USCALED,
 333       [PIPE_FORMAT_R16G16_USCALED]        = BRW_SURFACEFORMAT_R16G16_USCALED,
 334       [PIPE_FORMAT_R16G16B16_USCALED]     = BRW_SURFACEFORMAT_R16G16B16_USCALED,
 335       [PIPE_FORMAT_R16G16B16A16_USCALED]  = BRW_SURFACEFORMAT_R16G16B16A16_USCALED,
 336       [PIPE_FORMAT_R16_SNORM]             = BRW_SURFACEFORMAT_R16_SNORM,
 337       [PIPE_FORMAT_R16G16_SNORM]          = BRW_SURFACEFORMAT_R16G16_SNORM,
 338       [PIPE_FORMAT_R16G16B16_SNORM]       = BRW_SURFACEFORMAT_R16G16B16_SNORM,
 339       [PIPE_FORMAT_R16G16B16A16_SNORM]    = BRW_SURFACEFORMAT_R16G16B16A16_SNORM,
 340       [PIPE_FORMAT_R16_SSCALED]           = BRW_SURFACEFORMAT_R16_SSCALED,
 341       [PIPE_FORMAT_R16G16_SSCALED]        = BRW_SURFACEFORMAT_R16G16_SSCALED,
 342       [PIPE_FORMAT_R16G16B16_SSCALED]     = BRW_SURFACEFORMAT_R16G16B16_SSCALED,
 343       [PIPE_FORMAT_R16G16B16A16_SSCALED]  = BRW_SURFACEFORMAT_R16G16B16A16_SSCALED,
 344       [PIPE_FORMAT_R8_UNORM]              = BRW_SURFACEFORMAT_R8_UNORM,
 345       [PIPE_FORMAT_R8G8_UNORM]            = BRW_SURFACEFORMAT_R8G8_UNORM,
 346       [PIPE_FORMAT_R8G8B8_UNORM]          = BRW_SURFACEFORMAT_R8G8B8_UNORM,
 347       [PIPE_FORMAT_R8G8B8A8_UNORM]        = BRW_SURFACEFORMAT_R8G8B8A8_UNORM,
 348       [PIPE_FORMAT_X8B8G8R8_UNORM]        = 0,
 349       [PIPE_FORMAT_R8_USCALED]            = BRW_SURFACEFORMAT_R8_USCALED,
 350       [PIPE_FORMAT_R8G8_USCALED]          = BRW_SURFACEFORMAT_R8G8_USCALED,
 351       [PIPE_FORMAT_R8G8B8_USCALED]        = BRW_SURFACEFORMAT_R8G8B8_USCALED,
 352       [PIPE_FORMAT_R8G8B8A8_USCALED]      = BRW_SURFACEFORMAT_R8G8B8A8_USCALED,
 353       [PIPE_FORMAT_R8_SNORM]              = BRW_SURFACEFORMAT_R8_SNORM,
 354       [PIPE_FORMAT_R8G8_SNORM]            = BRW_SURFACEFORMAT_R8G8_SNORM,
 355       [PIPE_FORMAT_R8G8B8_SNORM]          = BRW_SURFACEFORMAT_R8G8B8_SNORM,
 356       [PIPE_FORMAT_R8G8B8A8_SNORM]        = BRW_SURFACEFORMAT_R8G8B8A8_SNORM,
 357       [PIPE_FORMAT_R8_SSCALED]            = BRW_SURFACEFORMAT_R8_SSCALED,
 358       [PIPE_FORMAT_R8G8_SSCALED]          = BRW_SURFACEFORMAT_R8G8_SSCALED,
 359       [PIPE_FORMAT_R8G8B8_SSCALED]        = BRW_SURFACEFORMAT_R8G8B8_SSCALED,
 360       [PIPE_FORMAT_R8G8B8A8_SSCALED]      = BRW_SURFACEFORMAT_R8G8B8A8_SSCALED,
 361       [PIPE_FORMAT_R32_FIXED]             = BRW_SURFACEFORMAT_R32_SFIXED,
 362       [PIPE_FORMAT_R32G32_FIXED]          = BRW_SURFACEFORMAT_R32G32_SFIXED,
 363       [PIPE_FORMAT_R32G32B32_FIXED]       = BRW_SURFACEFORMAT_R32G32B32_SFIXED,
 364       [PIPE_FORMAT_R32G32B32A32_FIXED]    = BRW_SURFACEFORMAT_R32G32B32A32_SFIXED,
 365       [PIPE_FORMAT_R16_FLOAT]             = BRW_SURFACEFORMAT_R16_FLOAT,
 366       [PIPE_FORMAT_R16G16_FLOAT]          = BRW_SURFACEFORMAT_R16G16_FLOAT,
 367       [PIPE_FORMAT_R16G16B16_FLOAT]       = 0,
 368       [PIPE_FORMAT_R16G16B16A16_FLOAT]    = BRW_SURFACEFORMAT_R16G16B16A16_FLOAT,
 369       [PIPE_FORMAT_L8_SRGB]               = BRW_SURFACEFORMAT_L8_UNORM_SRGB,
 370       [PIPE_FORMAT_L8A8_SRGB]             = BRW_SURFACEFORMAT_L8A8_UNORM_SRGB,
 371       [PIPE_FORMAT_R8G8B8_SRGB]           = 0,
 372       [PIPE_FORMAT_A8B8G8R8_SRGB]         = 0,
 373       [PIPE_FORMAT_X8B8G8R8_SRGB]         = 0,
 374       [PIPE_FORMAT_B8G8R8A8_SRGB]         = BRW_SURFACEFORMAT_B8G8R8A8_UNORM_SRGB,
 375       [PIPE_FORMAT_B8G8R8X8_SRGB]         = 0,
 376       [PIPE_FORMAT_A8R8G8B8_SRGB]         = 0,
 377       [PIPE_FORMAT_X8R8G8B8_SRGB]         = 0,
 378       [PIPE_FORMAT_R8G8B8A8_SRGB]         = 0,
 379       [PIPE_FORMAT_DXT1_RGB]              = BRW_SURFACEFORMAT_DXT1_RGB,
 380       [PIPE_FORMAT_DXT1_RGBA]             = BRW_SURFACEFORMAT_BC1_UNORM,
 381       [PIPE_FORMAT_DXT3_RGBA]             = BRW_SURFACEFORMAT_BC2_UNORM,
 382       [PIPE_FORMAT_DXT5_RGBA]             = BRW_SURFACEFORMAT_BC3_UNORM,
 383       [PIPE_FORMAT_DXT1_SRGB]             = BRW_SURFACEFORMAT_DXT1_RGB_SRGB,
 384       [PIPE_FORMAT_DXT1_SRGBA]            = BRW_SURFACEFORMAT_BC1_UNORM_SRGB,
 385       [PIPE_FORMAT_DXT3_SRGBA]            = BRW_SURFACEFORMAT_BC2_UNORM_SRGB,
 386       [PIPE_FORMAT_DXT5_SRGBA]            = BRW_SURFACEFORMAT_BC3_UNORM_SRGB,
 387       [PIPE_FORMAT_RGTC1_UNORM]           = BRW_SURFACEFORMAT_BC4_UNORM,
 388       [PIPE_FORMAT_RGTC1_SNORM]           = BRW_SURFACEFORMAT_BC4_SNORM,
 389       [PIPE_FORMAT_RGTC2_UNORM]           = BRW_SURFACEFORMAT_BC5_UNORM,
 390       [PIPE_FORMAT_RGTC2_SNORM]           = BRW_SURFACEFORMAT_BC5_SNORM,
 391       [PIPE_FORMAT_R8G8_B8G8_UNORM]       = 0,
 392       [PIPE_FORMAT_G8R8_G8B8_UNORM]       = 0,
 393       [PIPE_FORMAT_R8SG8SB8UX8U_NORM]     = 0,
 394       [PIPE_FORMAT_R5SG5SB6U_NORM]        = 0,
 395       [PIPE_FORMAT_A8B8G8R8_UNORM]        = 0,
 396       [PIPE_FORMAT_B5G5R5X1_UNORM]        = BRW_SURFACEFORMAT_B5G5R5X1_UNORM,
 397       [PIPE_FORMAT_R10G10B10A2_USCALED]   = BRW_SURFACEFORMAT_R10G10B10A2_USCALED,
 398       [PIPE_FORMAT_R11G11B10_FLOAT]       = BRW_SURFACEFORMAT_R11G11B10_FLOAT,
 399       [PIPE_FORMAT_R9G9B9E5_FLOAT]        = BRW_SURFACEFORMAT_R9G9B9E5_SHAREDEXP,
 400       [PIPE_FORMAT_Z32_FLOAT_S8X24_UINT]  = 0,
 401       [PIPE_FORMAT_R1_UNORM]              = 0,
 402       [PIPE_FORMAT_R10G10B10X2_USCALED]   = BRW_SURFACEFORMAT_R10G10B10X2_USCALED,
 403       [PIPE_FORMAT_R10G10B10X2_SNORM]     = 0,
 404       [PIPE_FORMAT_L4A4_UNORM]            = 0,
 405       [PIPE_FORMAT_B10G10R10A2_UNORM]     = BRW_SURFACEFORMAT_B10G10R10A2_UNORM,
 406       [PIPE_FORMAT_R10SG10SB10SA2U_NORM]  = 0,
 407       [PIPE_FORMAT_R8G8Bx_SNORM]          = 0,
 408       [PIPE_FORMAT_R8G8B8X8_UNORM]        = BRW_SURFACEFORMAT_R8G8B8X8_UNORM,
 409       [PIPE_FORMAT_B4G4R4X4_UNORM]        = 0,
 410       [PIPE_FORMAT_X24S8_UINT]            = 0,
 411       [PIPE_FORMAT_S8X24_UINT]            = 0,
 412       [PIPE_FORMAT_X32_S8X24_UINT]        = 0,
 413       [PIPE_FORMAT_B2G3R3_UNORM]          = 0,
 414       [PIPE_FORMAT_L16A16_UNORM]          = BRW_SURFACEFORMAT_L16A16_UNORM,
 415       [PIPE_FORMAT_A16_UNORM]             = BRW_SURFACEFORMAT_A16_UNORM,
 416       [PIPE_FORMAT_I16_UNORM]             = BRW_SURFACEFORMAT_I16_UNORM,
 417       [PIPE_FORMAT_LATC1_UNORM]           = 0,
 418       [PIPE_FORMAT_LATC1_SNORM]           = 0,
 419       [PIPE_FORMAT_LATC2_UNORM]           = 0,
 420       [PIPE_FORMAT_LATC2_SNORM]           = 0,
 421       [PIPE_FORMAT_A8_SNORM]              = 0,
 422       [PIPE_FORMAT_L8_SNORM]              = 0,
 423       [PIPE_FORMAT_L8A8_SNORM]            = 0,
 424       [PIPE_FORMAT_I8_SNORM]              = 0,
 425       [PIPE_FORMAT_A16_SNORM]             = 0,
 426       [PIPE_FORMAT_L16_SNORM]             = 0,
 427       [PIPE_FORMAT_L16A16_SNORM]          = 0,
 428       [PIPE_FORMAT_I16_SNORM]             = 0,
 429       [PIPE_FORMAT_A16_FLOAT]             = BRW_SURFACEFORMAT_A16_FLOAT,
 430       [PIPE_FORMAT_L16_FLOAT]             = BRW_SURFACEFORMAT_L16_FLOAT,
 431       [PIPE_FORMAT_L16A16_FLOAT]          = BRW_SURFACEFORMAT_L16A16_FLOAT,
 432       [PIPE_FORMAT_I16_FLOAT]             = BRW_SURFACEFORMAT_I16_FLOAT,
 433       [PIPE_FORMAT_A32_FLOAT]             = BRW_SURFACEFORMAT_A32_FLOAT,
 434       [PIPE_FORMAT_L32_FLOAT]             = BRW_SURFACEFORMAT_L32_FLOAT,
 435       [PIPE_FORMAT_L32A32_FLOAT]          = BRW_SURFACEFORMAT_L32A32_FLOAT,
 436       [PIPE_FORMAT_I32_FLOAT]             = BRW_SURFACEFORMAT_I32_FLOAT,
 437       [PIPE_FORMAT_YV12]                  = 0,
 438       [PIPE_FORMAT_YV16]                  = 0,
 439       [PIPE_FORMAT_IYUV]                  = 0,
 440       [PIPE_FORMAT_NV12]                  = 0,
 441       [PIPE_FORMAT_NV21]                  = 0,
 442       [PIPE_FORMAT_R4A4_UNORM]            = 0,
 443       [PIPE_FORMAT_A4R4_UNORM]            = 0,
 444       [PIPE_FORMAT_R8A8_UNORM]            = 0,
 445       [PIPE_FORMAT_A8R8_UNORM]            = 0,
 446       [PIPE_FORMAT_R10G10B10A2_SSCALED]   = BRW_SURFACEFORMAT_R10G10B10A2_SSCALED,
 447       [PIPE_FORMAT_R10G10B10A2_SNORM]     = BRW_SURFACEFORMAT_R10G10B10A2_SNORM,
 448       [PIPE_FORMAT_B10G10R10A2_USCALED]   = BRW_SURFACEFORMAT_B10G10R10A2_USCALED,
 449       [PIPE_FORMAT_B10G10R10A2_SSCALED]   = BRW_SURFACEFORMAT_B10G10R10A2_SSCALED,
 450       [PIPE_FORMAT_B10G10R10A2_SNORM]     = BRW_SURFACEFORMAT_B10G10R10A2_SNORM,
 451       [PIPE_FORMAT_R8_UINT]               = BRW_SURFACEFORMAT_R8_UINT,
 452       [PIPE_FORMAT_R8G8_UINT]             = BRW_SURFACEFORMAT_R8G8_UINT,
 453       [PIPE_FORMAT_R8G8B8_UINT]           = 0,
 454       [PIPE_FORMAT_R8G8B8A8_UINT]         = BRW_SURFACEFORMAT_R8G8B8A8_UINT,
 455       [PIPE_FORMAT_R8_SINT]               = BRW_SURFACEFORMAT_R8_SINT,
 456       [PIPE_FORMAT_R8G8_SINT]             = BRW_SURFACEFORMAT_R8G8_SINT,
 457       [PIPE_FORMAT_R8G8B8_SINT]           = 0,
 458       [PIPE_FORMAT_R8G8B8A8_SINT]         = BRW_SURFACEFORMAT_R8G8B8A8_SINT,
 459       [PIPE_FORMAT_R16_UINT]              = BRW_SURFACEFORMAT_R16_UINT,
 460       [PIPE_FORMAT_R16G16_UINT]           = BRW_SURFACEFORMAT_R16G16_UINT,
 461       [PIPE_FORMAT_R16G16B16_UINT]        = 0,
 462       [PIPE_FORMAT_R16G16B16A16_UINT]     = BRW_SURFACEFORMAT_R16G16B16A16_UINT,
 463       [PIPE_FORMAT_R16_SINT]              = BRW_SURFACEFORMAT_R16_SINT,
 464       [PIPE_FORMAT_R16G16_SINT]           = BRW_SURFACEFORMAT_R16G16_SINT,
 465       [PIPE_FORMAT_R16G16B16_SINT]        = 0,
 466       [PIPE_FORMAT_R16G16B16A16_SINT]     = BRW_SURFACEFORMAT_R16G16B16A16_SINT,
 467       [PIPE_FORMAT_R32_UINT]              = BRW_SURFACEFORMAT_R32_UINT,
 468       [PIPE_FORMAT_R32G32_UINT]           = BRW_SURFACEFORMAT_R32G32_UINT,
 469       [PIPE_FORMAT_R32G32B32_UINT]        = BRW_SURFACEFORMAT_R32G32B32_UINT,
 470       [PIPE_FORMAT_R32G32B32A32_UINT]     = BRW_SURFACEFORMAT_R32G32B32A32_UINT,
 471       [PIPE_FORMAT_R32_SINT]              = BRW_SURFACEFORMAT_R32_SINT,
 472       [PIPE_FORMAT_R32G32_SINT]           = BRW_SURFACEFORMAT_R32G32_SINT,
 473       [PIPE_FORMAT_R32G32B32_SINT]        = BRW_SURFACEFORMAT_R32G32B32_SINT,
 474       [PIPE_FORMAT_R32G32B32A32_SINT]     = BRW_SURFACEFORMAT_R32G32B32A32_SINT,
 475       [PIPE_FORMAT_A8_UINT]               = 0,
 476       [PIPE_FORMAT_I8_UINT]               = 0,
 477       [PIPE_FORMAT_L8_UINT]               = 0,
 478       [PIPE_FORMAT_L8A8_UINT]             = 0,
 479       [PIPE_FORMAT_A8_SINT]               = 0,
 480       [PIPE_FORMAT_I8_SINT]               = 0,
 481       [PIPE_FORMAT_L8_SINT]               = 0,
 482       [PIPE_FORMAT_L8A8_SINT]             = 0,
 483       [PIPE_FORMAT_A16_UINT]              = 0,
 484       [PIPE_FORMAT_I16_UINT]              = 0,
 485       [PIPE_FORMAT_L16_UINT]              = 0,
 486       [PIPE_FORMAT_L16A16_UINT]           = 0,
 487       [PIPE_FORMAT_A16_SINT]              = 0,
 488       [PIPE_FORMAT_I16_SINT]              = 0,
 489       [PIPE_FORMAT_L16_SINT]              = 0,
 490       [PIPE_FORMAT_L16A16_SINT]           = 0,
 491       [PIPE_FORMAT_A32_UINT]              = 0,
 492       [PIPE_FORMAT_I32_UINT]              = 0,
 493       [PIPE_FORMAT_L32_UINT]              = 0,
 494       [PIPE_FORMAT_L32A32_UINT]           = 0,
 495       [PIPE_FORMAT_A32_SINT]              = 0,
 496       [PIPE_FORMAT_I32_SINT]              = 0,
 497       [PIPE_FORMAT_L32_SINT]              = 0,
 498       [PIPE_FORMAT_L32A32_SINT]           = 0,
 499       [PIPE_FORMAT_B10G10R10A2_UINT]      = BRW_SURFACEFORMAT_B10G10R10A2_UINT,
 500       [PIPE_FORMAT_ETC1_RGB8]             = 0,
 501       [PIPE_FORMAT_R8G8_R8B8_UNORM]       = 0,
 502       [PIPE_FORMAT_G8R8_B8R8_UNORM]       = 0,
 503       [PIPE_FORMAT_R8G8B8X8_SNORM]        = 0,
 504       [PIPE_FORMAT_R8G8B8X8_SRGB]         = 0,
 505       [PIPE_FORMAT_R8G8B8X8_UINT]         = 0,
 506       [PIPE_FORMAT_R8G8B8X8_SINT]         = 0,
 507       [PIPE_FORMAT_B10G10R10X2_UNORM]     = BRW_SURFACEFORMAT_B10G10R10X2_UNORM,
 508       [PIPE_FORMAT_R16G16B16X16_UNORM]    = BRW_SURFACEFORMAT_R16G16B16X16_UNORM,
 509       [PIPE_FORMAT_R16G16B16X16_SNORM]    = 0,
 510       [PIPE_FORMAT_R16G16B16X16_FLOAT]    = BRW_SURFACEFORMAT_R16G16B16X16_FLOAT,
 511       [PIPE_FORMAT_R16G16B16X16_UINT]     = 0,
 512       [PIPE_FORMAT_R16G16B16X16_SINT]     = 0,
 513       [PIPE_FORMAT_R32G32B32X32_FLOAT]    = BRW_SURFACEFORMAT_R32G32B32X32_FLOAT,
 514       [PIPE_FORMAT_R32G32B32X32_UINT]     = 0,
 515       [PIPE_FORMAT_R32G32B32X32_SINT]     = 0,
 516       [PIPE_FORMAT_R8A8_SNORM]            = 0,
 517       [PIPE_FORMAT_R16A16_UNORM]          = 0,
 518       [PIPE_FORMAT_R16A16_SNORM]          = 0,
 519       [PIPE_FORMAT_R16A16_FLOAT]          = 0,
 520       [PIPE_FORMAT_R32A32_FLOAT]          = 0,
 521       [PIPE_FORMAT_R8A8_UINT]             = 0,
 522       [PIPE_FORMAT_R8A8_SINT]             = 0,
 523       [PIPE_FORMAT_R16A16_UINT]           = 0,
 524       [PIPE_FORMAT_R16A16_SINT]           = 0,
 525       [PIPE_FORMAT_R32A32_UINT]           = 0,
 526       [PIPE_FORMAT_R32A32_SINT]           = 0,
 527    };
 528    int sfmt = format_mapping[format];
 529
 530    /* BRW_SURFACEFORMAT_R32G32B32A32_FLOAT happens to be 0 */
 531    if (!sfmt && format != PIPE_FORMAT_R32G32B32A32_FLOAT)
 532       sfmt = -1;
 533
 534    return sfmt;
 535 }
 536
 537 static boolean
 538 ilo_is_format_supported(struct pipe_screen *screen,
 539                         enum pipe_format format,
 540                         enum pipe_texture_target target,
 541                         unsigned sample_count,
 542                         unsigned bindings)
 543 {
 544    struct ilo_screen *is = ilo_screen(screen);
 545    const int gen = ILO_GEN_GET_MAJOR(is->gen * 10);
 546    const struct surface_format_info *info;
 547    unsigned bind;
 548
 549    if (!util_format_is_supported(format, bindings))
 550       return false;
 551
 552    /* no MSAA support yet */
 553    if (sample_count > 1)
 554       return false;
 555
 556    bind = (bindings & PIPE_BIND_DEPTH_STENCIL);
 557    if (bind) {
 558       switch (format) {
 559       case PIPE_FORMAT_Z16_UNORM:
 560       case PIPE_FORMAT_Z24X8_UNORM:
 561       case PIPE_FORMAT_Z32_FLOAT:
 562       case PIPE_FORMAT_Z24_UNORM_S8_UINT:
 563       case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
 564          break;
 565       case PIPE_FORMAT_S8_UINT:
 566          /* TODO separate stencil */
 567       default:
 568          return false;
 569       }
 570    }
 571
 572    bind = (bindings & PIPE_BIND_RENDER_TARGET);
 573    if (bind) {
 574       info = lookup_surface_format_info(format, bind);
 575
 576       if (gen < info->render_target)
 577          return false;
 578
 579       if (gen < info->alpha_blend)
 580          return false;
 581    }
 582
 583    bind = (bindings & PIPE_BIND_SAMPLER_VIEW);
 584    if (bind) {
 585       info = lookup_surface_format_info(format, bind);
 586
 587       if (gen < info->sampling)
 588          return false;
 589
 590       if (gen < info->filtering)
 591          return false;
 592    }
 593
 594    bind = (bindings & PIPE_BIND_VERTEX_BUFFER);
 595    if (bind) {
 596       info = lookup_surface_format_info(format, bind);
 597
 598       if (gen < info->input_vb)
 599          return false;
 600    }
 601
 602    return true;
 603 }
 604
 605 static boolean
 606 ilo_is_video_format_supported(struct pipe_screen *screen,
 607                               enum pipe_format format,
 608                               enum pipe_video_profile profile)
 609 {
 610    return vl_video_buffer_is_format_supported(screen, format, profile);
 611 }
 612
 613 /**
 614  * Initialize format-related functions.
 615  */
 616 void
 617 ilo_init_format_functions(struct ilo_screen *is)
 618 {
 619    is->base.is_format_supported = ilo_is_format_supported;
 620    is->base.is_video_format_supported = ilo_is_video_format_supported;
 621 }