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 "genhw/genhw.h"
  29 #include "vl/vl_video_buffer.h"
  30
  31 #include "ilo_screen.h"
  32 #include "ilo_format.h"
  33
  34 struct ilo_vf_cap {
  35    int vertex_element;
  36 };
  37
  38 struct ilo_sol_cap {
  39    int buffer;
  40 };
  41
  42 struct ilo_sampler_cap {
  43    int sampling;
  44    int filtering;
  45    int shadow_map;
  46    int chroma_key;
  47 };
  48
  49 struct ilo_dp_cap {
  50    int rt_write;
  51    int rt_write_blending;
  52    int typed_write;
  53    int media_color_processing;
  54 };
  55
  56 /*
  57  * This table is based on:
  58  *
  59  *  - the Sandy Bridge PRM, volume 4 part 1, page 88-97
  60  *  - the Ivy Bridge PRM, volume 2 part 1, page 97-99
  61  *  - the Haswell PRM, volume 7, page 467-470
  62  */
  63 static const struct ilo_vf_cap ilo_vf_caps[] = {
  64 #define CAP(vertex_element) { ILO_GEN(vertex_element) }
  65    [GEN6_FORMAT_R32G32B32A32_FLOAT]       = CAP(  1),
  66    [GEN6_FORMAT_R32G32B32A32_SINT]        = CAP(  1),
  67    [GEN6_FORMAT_R32G32B32A32_UINT]        = CAP(  1),
  68    [GEN6_FORMAT_R32G32B32A32_UNORM]       = CAP(  1),
  69    [GEN6_FORMAT_R32G32B32A32_SNORM]       = CAP(  1),
  70    [GEN6_FORMAT_R64G64_FLOAT]             = CAP(  1),
  71    [GEN6_FORMAT_R32G32B32A32_SSCALED]     = CAP(  1),
  72    [GEN6_FORMAT_R32G32B32A32_USCALED]     = CAP(  1),
  73    [GEN6_FORMAT_R32G32B32A32_SFIXED]      = CAP(7.5),
  74    [GEN6_FORMAT_R32G32B32_FLOAT]          = CAP(  1),
  75    [GEN6_FORMAT_R32G32B32_SINT]           = CAP(  1),
  76    [GEN6_FORMAT_R32G32B32_UINT]           = CAP(  1),
  77    [GEN6_FORMAT_R32G32B32_UNORM]          = CAP(  1),
  78    [GEN6_FORMAT_R32G32B32_SNORM]          = CAP(  1),
  79    [GEN6_FORMAT_R32G32B32_SSCALED]        = CAP(  1),
  80    [GEN6_FORMAT_R32G32B32_USCALED]        = CAP(  1),
  81    [GEN6_FORMAT_R32G32B32_SFIXED]         = CAP(7.5),
  82    [GEN6_FORMAT_R16G16B16A16_UNORM]       = CAP(  1),
  83    [GEN6_FORMAT_R16G16B16A16_SNORM]       = CAP(  1),
  84    [GEN6_FORMAT_R16G16B16A16_SINT]        = CAP(  1),
  85    [GEN6_FORMAT_R16G16B16A16_UINT]        = CAP(  1),
  86    [GEN6_FORMAT_R16G16B16A16_FLOAT]       = CAP(  1),
  87    [GEN6_FORMAT_R32G32_FLOAT]             = CAP(  1),
  88    [GEN6_FORMAT_R32G32_SINT]              = CAP(  1),
  89    [GEN6_FORMAT_R32G32_UINT]              = CAP(  1),
  90    [GEN6_FORMAT_R32G32_UNORM]             = CAP(  1),
  91    [GEN6_FORMAT_R32G32_SNORM]             = CAP(  1),
  92    [GEN6_FORMAT_R64_FLOAT]                = CAP(  1),
  93    [GEN6_FORMAT_R16G16B16A16_SSCALED]     = CAP(  1),
  94    [GEN6_FORMAT_R16G16B16A16_USCALED]     = CAP(  1),
  95    [GEN6_FORMAT_R32G32_SSCALED]           = CAP(  1),
  96    [GEN6_FORMAT_R32G32_USCALED]           = CAP(  1),
  97    [GEN6_FORMAT_R32G32_SFIXED]            = CAP(7.5),
  98    [GEN6_FORMAT_B8G8R8A8_UNORM]           = CAP(  1),
  99    [GEN6_FORMAT_R10G10B10A2_UNORM]        = CAP(  1),
 100    [GEN6_FORMAT_R10G10B10A2_UINT]         = CAP(  1),
 101    [GEN6_FORMAT_R10G10B10_SNORM_A2_UNORM] = CAP(  1),
 102    [GEN6_FORMAT_R8G8B8A8_UNORM]           = CAP(  1),
 103    [GEN6_FORMAT_R8G8B8A8_SNORM]           = CAP(  1),
 104    [GEN6_FORMAT_R8G8B8A8_SINT]            = CAP(  1),
 105    [GEN6_FORMAT_R8G8B8A8_UINT]            = CAP(  1),
 106    [GEN6_FORMAT_R16G16_UNORM]             = CAP(  1),
 107    [GEN6_FORMAT_R16G16_SNORM]             = CAP(  1),
 108    [GEN6_FORMAT_R16G16_SINT]              = CAP(  1),
 109    [GEN6_FORMAT_R16G16_UINT]              = CAP(  1),
 110    [GEN6_FORMAT_R16G16_FLOAT]             = CAP(  1),
 111    [GEN6_FORMAT_B10G10R10A2_UNORM]        = CAP(7.5),
 112    [GEN6_FORMAT_R11G11B10_FLOAT]          = CAP(  1),
 113    [GEN6_FORMAT_R32_SINT]                 = CAP(  1),
 114    [GEN6_FORMAT_R32_UINT]                 = CAP(  1),
 115    [GEN6_FORMAT_R32_FLOAT]                = CAP(  1),
 116    [GEN6_FORMAT_R32_UNORM]                = CAP(  1),
 117    [GEN6_FORMAT_R32_SNORM]                = CAP(  1),
 118    [GEN6_FORMAT_R10G10B10X2_USCALED]      = CAP(  1),
 119    [GEN6_FORMAT_R8G8B8A8_SSCALED]         = CAP(  1),
 120    [GEN6_FORMAT_R8G8B8A8_USCALED]         = CAP(  1),
 121    [GEN6_FORMAT_R16G16_SSCALED]           = CAP(  1),
 122    [GEN6_FORMAT_R16G16_USCALED]           = CAP(  1),
 123    [GEN6_FORMAT_R32_SSCALED]              = CAP(  1),
 124    [GEN6_FORMAT_R32_USCALED]              = CAP(  1),
 125    [GEN6_FORMAT_R8G8_UNORM]               = CAP(  1),
 126    [GEN6_FORMAT_R8G8_SNORM]               = CAP(  1),
 127    [GEN6_FORMAT_R8G8_SINT]                = CAP(  1),
 128    [GEN6_FORMAT_R8G8_UINT]                = CAP(  1),
 129    [GEN6_FORMAT_R16_UNORM]                = CAP(  1),
 130    [GEN6_FORMAT_R16_SNORM]                = CAP(  1),
 131    [GEN6_FORMAT_R16_SINT]                 = CAP(  1),
 132    [GEN6_FORMAT_R16_UINT]                 = CAP(  1),
 133    [GEN6_FORMAT_R16_FLOAT]                = CAP(  1),
 134    [GEN6_FORMAT_R8G8_SSCALED]             = CAP(  1),
 135    [GEN6_FORMAT_R8G8_USCALED]             = CAP(  1),
 136    [GEN6_FORMAT_R16_SSCALED]              = CAP(  1),
 137    [GEN6_FORMAT_R16_USCALED]              = CAP(  1),
 138    [GEN6_FORMAT_R8_UNORM]                 = CAP(  1),
 139    [GEN6_FORMAT_R8_SNORM]                 = CAP(  1),
 140    [GEN6_FORMAT_R8_SINT]                  = CAP(  1),
 141    [GEN6_FORMAT_R8_UINT]                  = CAP(  1),
 142    [GEN6_FORMAT_R8_SSCALED]               = CAP(  1),
 143    [GEN6_FORMAT_R8_USCALED]               = CAP(  1),
 144    [GEN6_FORMAT_R8G8B8_UNORM]             = CAP(  1),
 145    [GEN6_FORMAT_R8G8B8_SNORM]             = CAP(  1),
 146    [GEN6_FORMAT_R8G8B8_SSCALED]           = CAP(  1),
 147    [GEN6_FORMAT_R8G8B8_USCALED]           = CAP(  1),
 148    [GEN6_FORMAT_R64G64B64A64_FLOAT]       = CAP(  1),
 149    [GEN6_FORMAT_R64G64B64_FLOAT]          = CAP(  1),
 150    [GEN6_FORMAT_R16G16B16_FLOAT]          = CAP(  6),
 151    [GEN6_FORMAT_R16G16B16_UNORM]          = CAP(  1),
 152    [GEN6_FORMAT_R16G16B16_SNORM]          = CAP(  1),
 153    [GEN6_FORMAT_R16G16B16_SSCALED]        = CAP(  1),
 154    [GEN6_FORMAT_R16G16B16_USCALED]        = CAP(  1),
 155    [GEN6_FORMAT_R16G16B16_UINT]           = CAP(7.5),
 156    [GEN6_FORMAT_R16G16B16_SINT]           = CAP(7.5),
 157    [GEN6_FORMAT_R32_SFIXED]               = CAP(7.5),
 158    [GEN6_FORMAT_R10G10B10A2_SNORM]        = CAP(7.5),
 159    [GEN6_FORMAT_R10G10B10A2_USCALED]      = CAP(7.5),
 160    [GEN6_FORMAT_R10G10B10A2_SSCALED]      = CAP(7.5),
 161    [GEN6_FORMAT_R10G10B10A2_SINT]         = CAP(7.5),
 162    [GEN6_FORMAT_B10G10R10A2_SNORM]        = CAP(7.5),
 163    [GEN6_FORMAT_B10G10R10A2_USCALED]      = CAP(7.5),
 164    [GEN6_FORMAT_B10G10R10A2_SSCALED]      = CAP(7.5),
 165    [GEN6_FORMAT_B10G10R10A2_UINT]         = CAP(7.5),
 166    [GEN6_FORMAT_B10G10R10A2_SINT]         = CAP(7.5),
 167    [GEN6_FORMAT_R8G8B8_UINT]              = CAP(7.5),
 168    [GEN6_FORMAT_R8G8B8_SINT]              = CAP(7.5),
 169 #undef CAP
 170 };
 171
 172 /*
 173  * This table is based on:
 174  *
 175  *  - the Sandy Bridge PRM, volume 4 part 1, page 88-97
 176  *  - the Ivy Bridge PRM, volume 2 part 1, page 195
 177  *  - the Haswell PRM, volume 7, page 535
 178  */
 179 static const struct ilo_sol_cap ilo_sol_caps[] = {
 180 #define CAP(buffer) { ILO_GEN(buffer) }
 181    [GEN6_FORMAT_R32G32B32A32_FLOAT]       = CAP(  1),
 182    [GEN6_FORMAT_R32G32B32A32_SINT]        = CAP(  1),
 183    [GEN6_FORMAT_R32G32B32A32_UINT]        = CAP(  1),
 184    [GEN6_FORMAT_R32G32B32_FLOAT]          = CAP(  1),
 185    [GEN6_FORMAT_R32G32B32_SINT]           = CAP(  1),
 186    [GEN6_FORMAT_R32G32B32_UINT]           = CAP(  1),
 187    [GEN6_FORMAT_R32G32_FLOAT]             = CAP(  1),
 188    [GEN6_FORMAT_R32G32_SINT]              = CAP(  1),
 189    [GEN6_FORMAT_R32G32_UINT]              = CAP(  1),
 190    [GEN6_FORMAT_R32_SINT]                 = CAP(  1),
 191    [GEN6_FORMAT_R32_UINT]                 = CAP(  1),
 192    [GEN6_FORMAT_R32_FLOAT]                = CAP(  1),
 193 #undef CAP
 194 };
 195
 196 /*
 197  * This table is based on:
 198  *
 199  *  - the Sandy Bridge PRM, volume 4 part 1, page 88-97
 200  *  - the Ivy Bridge PRM, volume 4 part 1, page 84-87
 201  */
 202 static const struct ilo_sampler_cap ilo_sampler_caps[] = {
 203 #define CAP(sampling, filtering, shadow_map, chroma_key) \
 204    { ILO_GEN(sampling), ILO_GEN(filtering), ILO_GEN(shadow_map), ILO_GEN(chroma_key) }
 205    [GEN6_FORMAT_R32G32B32A32_FLOAT]       = CAP(  1,   5,   0,   0),
 206    [GEN6_FORMAT_R32G32B32A32_SINT]        = CAP(  1,   0,   0,   0),
 207    [GEN6_FORMAT_R32G32B32A32_UINT]        = CAP(  1,   0,   0,   0),
 208    [GEN6_FORMAT_R32G32B32X32_FLOAT]       = CAP(  1,   5,   0,   0),
 209    [GEN6_FORMAT_R32G32B32_FLOAT]          = CAP(  1,   5,   0,   0),
 210    [GEN6_FORMAT_R32G32B32_SINT]           = CAP(  1,   0,   0,   0),
 211    [GEN6_FORMAT_R32G32B32_UINT]           = CAP(  1,   0,   0,   0),
 212    [GEN6_FORMAT_R16G16B16A16_UNORM]       = CAP(  1,   1,   0,   0),
 213    [GEN6_FORMAT_R16G16B16A16_SNORM]       = CAP(  1,   1,   0,   0),
 214    [GEN6_FORMAT_R16G16B16A16_SINT]        = CAP(  1,   0,   0,   0),
 215    [GEN6_FORMAT_R16G16B16A16_UINT]        = CAP(  1,   0,   0,   0),
 216    [GEN6_FORMAT_R16G16B16A16_FLOAT]       = CAP(  1,   1,   0,   0),
 217    [GEN6_FORMAT_R32G32_FLOAT]             = CAP(  1,   5,   0,   0),
 218    [GEN6_FORMAT_R32G32_SINT]              = CAP(  1,   0,   0,   0),
 219    [GEN6_FORMAT_R32G32_UINT]              = CAP(  1,   0,   0,   0),
 220    [GEN6_FORMAT_R32_FLOAT_X8X24_TYPELESS] = CAP(  1,   5,   1,   0),
 221    [GEN6_FORMAT_X32_TYPELESS_G8X24_UINT]  = CAP(  1,   0,   0,   0),
 222    [GEN6_FORMAT_L32A32_FLOAT]             = CAP(  1,   5,   0,   0),
 223    [GEN6_FORMAT_R16G16B16X16_UNORM]       = CAP(  1,   1,   0,   0),
 224    [GEN6_FORMAT_R16G16B16X16_FLOAT]       = CAP(  1,   1,   0,   0),
 225    [GEN6_FORMAT_A32X32_FLOAT]             = CAP(  1,   5,   0,   0),
 226    [GEN6_FORMAT_L32X32_FLOAT]             = CAP(  1,   5,   0,   0),
 227    [GEN6_FORMAT_I32X32_FLOAT]             = CAP(  1,   5,   0,   0),
 228    [GEN6_FORMAT_B8G8R8A8_UNORM]           = CAP(  1,   1,   0,   1),
 229    [GEN6_FORMAT_B8G8R8A8_UNORM_SRGB]      = CAP(  1,   1,   0,   0),
 230    [GEN6_FORMAT_R10G10B10A2_UNORM]        = CAP(  1,   1,   0,   0),
 231    [GEN6_FORMAT_R10G10B10A2_UNORM_SRGB]   = CAP(  1,   1,   0,   0),
 232    [GEN6_FORMAT_R10G10B10A2_UINT]         = CAP(  1,   0,   0,   0),
 233    [GEN6_FORMAT_R10G10B10_SNORM_A2_UNORM] = CAP(  1,   1,   0,   0),
 234    [GEN6_FORMAT_R8G8B8A8_UNORM]           = CAP(  1,   1,   0,   0),
 235    [GEN6_FORMAT_R8G8B8A8_UNORM_SRGB]      = CAP(  1,   1,   0,   0),
 236    [GEN6_FORMAT_R8G8B8A8_SNORM]           = CAP(  1,   1,   0,   0),
 237    [GEN6_FORMAT_R8G8B8A8_SINT]            = CAP(  1,   0,   0,   0),
 238    [GEN6_FORMAT_R8G8B8A8_UINT]            = CAP(  1,   0,   0,   0),
 239    [GEN6_FORMAT_R16G16_UNORM]             = CAP(  1,   1,   0,   0),
 240    [GEN6_FORMAT_R16G16_SNORM]             = CAP(  1,   1,   0,   0),
 241    [GEN6_FORMAT_R16G16_SINT]              = CAP(  1,   0,   0,   0),
 242    [GEN6_FORMAT_R16G16_UINT]              = CAP(  1,   0,   0,   0),
 243    [GEN6_FORMAT_R16G16_FLOAT]             = CAP(  1,   1,   0,   0),
 244    [GEN6_FORMAT_B10G10R10A2_UNORM]        = CAP(  1,   1,   0,   0),
 245    [GEN6_FORMAT_B10G10R10A2_UNORM_SRGB]   = CAP(  1,   1,   0,   0),
 246    [GEN6_FORMAT_R11G11B10_FLOAT]          = CAP(  1,   1,   0,   0),
 247    [GEN6_FORMAT_R32_SINT]                 = CAP(  1,   0,   0,   0),
 248    [GEN6_FORMAT_R32_UINT]                 = CAP(  1,   0,   0,   0),
 249    [GEN6_FORMAT_R32_FLOAT]                = CAP(  1,   5,   1,   0),
 250    [GEN6_FORMAT_R24_UNORM_X8_TYPELESS]    = CAP(  1,   5,   1,   0),
 251    [GEN6_FORMAT_X24_TYPELESS_G8_UINT]     = CAP(  1,   0,   0,   0),
 252    [GEN6_FORMAT_L16A16_UNORM]             = CAP(  1,   1,   0,   0),
 253    [GEN6_FORMAT_I24X8_UNORM]              = CAP(  1,   5,   1,   0),
 254    [GEN6_FORMAT_L24X8_UNORM]              = CAP(  1,   5,   1,   0),
 255    [GEN6_FORMAT_A24X8_UNORM]              = CAP(  1,   5,   1,   0),
 256    [GEN6_FORMAT_I32_FLOAT]                = CAP(  1,   5,   1,   0),
 257    [GEN6_FORMAT_L32_FLOAT]                = CAP(  1,   5,   1,   0),
 258    [GEN6_FORMAT_A32_FLOAT]                = CAP(  1,   5,   1,   0),
 259    [GEN6_FORMAT_B8G8R8X8_UNORM]           = CAP(  1,   1,   0,   1),
 260    [GEN6_FORMAT_B8G8R8X8_UNORM_SRGB]      = CAP(  1,   1,   0,   0),
 261    [GEN6_FORMAT_R8G8B8X8_UNORM]           = CAP(  1,   1,   0,   0),
 262    [GEN6_FORMAT_R8G8B8X8_UNORM_SRGB]      = CAP(  1,   1,   0,   0),
 263    [GEN6_FORMAT_R9G9B9E5_SHAREDEXP]       = CAP(  1,   1,   0,   0),
 264    [GEN6_FORMAT_B10G10R10X2_UNORM]        = CAP(  1,   1,   0,   0),
 265    [GEN6_FORMAT_L16A16_FLOAT]             = CAP(  1,   1,   0,   0),
 266    [GEN6_FORMAT_B5G6R5_UNORM]             = CAP(  1,   1,   0,   1),
 267    [GEN6_FORMAT_B5G6R5_UNORM_SRGB]        = CAP(  1,   1,   0,   0),
 268    [GEN6_FORMAT_B5G5R5A1_UNORM]           = CAP(  1,   1,   0,   1),
 269    [GEN6_FORMAT_B5G5R5A1_UNORM_SRGB]      = CAP(  1,   1,   0,   0),
 270    [GEN6_FORMAT_B4G4R4A4_UNORM]           = CAP(  1,   1,   0,   1),
 271    [GEN6_FORMAT_B4G4R4A4_UNORM_SRGB]      = CAP(  1,   1,   0,   0),
 272    [GEN6_FORMAT_R8G8_UNORM]               = CAP(  1,   1,   0,   0),
 273    [GEN6_FORMAT_R8G8_SNORM]               = CAP(  1,   1,   0,   1),
 274    [GEN6_FORMAT_R8G8_SINT]                = CAP(  1,   0,   0,   0),
 275    [GEN6_FORMAT_R8G8_UINT]                = CAP(  1,   0,   0,   0),
 276    [GEN6_FORMAT_R16_UNORM]                = CAP(  1,   1,   1,   0),
 277    [GEN6_FORMAT_R16_SNORM]                = CAP(  1,   1,   0,   0),
 278    [GEN6_FORMAT_R16_SINT]                 = CAP(  1,   0,   0,   0),
 279    [GEN6_FORMAT_R16_UINT]                 = CAP(  1,   0,   0,   0),
 280    [GEN6_FORMAT_R16_FLOAT]                = CAP(  1,   1,   0,   0),
 281    [GEN6_FORMAT_A8P8_UNORM_PALETTE0]      = CAP(  5,   5,   0,   0),
 282    [GEN6_FORMAT_A8P8_UNORM_PALETTE1]      = CAP(  5,   5,   0,   0),
 283    [GEN6_FORMAT_I16_UNORM]                = CAP(  1,   1,   1,   0),
 284    [GEN6_FORMAT_L16_UNORM]                = CAP(  1,   1,   1,   0),
 285    [GEN6_FORMAT_A16_UNORM]                = CAP(  1,   1,   1,   0),
 286    [GEN6_FORMAT_L8A8_UNORM]               = CAP(  1,   1,   0,   1),
 287    [GEN6_FORMAT_I16_FLOAT]                = CAP(  1,   1,   1,   0),
 288    [GEN6_FORMAT_L16_FLOAT]                = CAP(  1,   1,   1,   0),
 289    [GEN6_FORMAT_A16_FLOAT]                = CAP(  1,   1,   1,   0),
 290    [GEN6_FORMAT_L8A8_UNORM_SRGB]          = CAP(4.5, 4.5,   0,   0),
 291    [GEN6_FORMAT_R5G5_SNORM_B6_UNORM]      = CAP(  1,   1,   0,   1),
 292    [GEN6_FORMAT_P8A8_UNORM_PALETTE0]      = CAP(  5,   5,   0,   0),
 293    [GEN6_FORMAT_P8A8_UNORM_PALETTE1]      = CAP(  5,   5,   0,   0),
 294    [GEN6_FORMAT_R8_UNORM]                 = CAP(  1,   1,   0, 4.5),
 295    [GEN6_FORMAT_R8_SNORM]                 = CAP(  1,   1,   0,   0),
 296    [GEN6_FORMAT_R8_SINT]                  = CAP(  1,   0,   0,   0),
 297    [GEN6_FORMAT_R8_UINT]                  = CAP(  1,   0,   0,   0),
 298    [GEN6_FORMAT_A8_UNORM]                 = CAP(  1,   1,   0,   1),
 299    [GEN6_FORMAT_I8_UNORM]                 = CAP(  1,   1,   0,   0),
 300    [GEN6_FORMAT_L8_UNORM]                 = CAP(  1,   1,   0,   1),
 301    [GEN6_FORMAT_P4A4_UNORM_PALETTE0]      = CAP(  1,   1,   0,   0),
 302    [GEN6_FORMAT_A4P4_UNORM_PALETTE0]      = CAP(  1,   1,   0,   0),
 303    [GEN6_FORMAT_P8_UNORM_PALETTE0]        = CAP(4.5, 4.5,   0,   0),
 304    [GEN6_FORMAT_L8_UNORM_SRGB]            = CAP(4.5, 4.5,   0,   0),
 305    [GEN6_FORMAT_P8_UNORM_PALETTE1]        = CAP(4.5, 4.5,   0,   0),
 306    [GEN6_FORMAT_P4A4_UNORM_PALETTE1]      = CAP(4.5, 4.5,   0,   0),
 307    [GEN6_FORMAT_A4P4_UNORM_PALETTE1]      = CAP(4.5, 4.5,   0,   0),
 308    [GEN6_FORMAT_DXT1_RGB_SRGB]            = CAP(4.5, 4.5,   0,   0),
 309    [GEN6_FORMAT_R1_UNORM]                 = CAP(  1,   1,   0,   0),
 310    [GEN6_FORMAT_YCRCB_NORMAL]             = CAP(  1,   1,   0,   1),
 311    [GEN6_FORMAT_YCRCB_SWAPUVY]            = CAP(  1,   1,   0,   1),
 312    [GEN6_FORMAT_P2_UNORM_PALETTE0]        = CAP(4.5, 4.5,   0,   0),
 313    [GEN6_FORMAT_P2_UNORM_PALETTE1]        = CAP(4.5, 4.5,   0,   0),
 314    [GEN6_FORMAT_BC1_UNORM]                = CAP(  1,   1,   0,   1),
 315    [GEN6_FORMAT_BC2_UNORM]                = CAP(  1,   1,   0,   1),
 316    [GEN6_FORMAT_BC3_UNORM]                = CAP(  1,   1,   0,   1),
 317    [GEN6_FORMAT_BC4_UNORM]                = CAP(  1,   1,   0,   0),
 318    [GEN6_FORMAT_BC5_UNORM]                = CAP(  1,   1,   0,   0),
 319    [GEN6_FORMAT_BC1_UNORM_SRGB]           = CAP(  1,   1,   0,   0),
 320    [GEN6_FORMAT_BC2_UNORM_SRGB]           = CAP(  1,   1,   0,   0),
 321    [GEN6_FORMAT_BC3_UNORM_SRGB]           = CAP(  1,   1,   0,   0),
 322    [GEN6_FORMAT_MONO8]                    = CAP(  1,   0,   0,   0),
 323    [GEN6_FORMAT_YCRCB_SWAPUV]             = CAP(  1,   1,   0,   0),
 324    [GEN6_FORMAT_YCRCB_SWAPY]              = CAP(  1,   1,   0,   0),
 325    [GEN6_FORMAT_DXT1_RGB]                 = CAP(  1,   1,   0,   0),
 326    [GEN6_FORMAT_FXT1]                     = CAP(  1,   1,   0,   0),
 327    [GEN6_FORMAT_BC4_SNORM]                = CAP(  1,   1,   0,   0),
 328    [GEN6_FORMAT_BC5_SNORM]                = CAP(  1,   1,   0,   0),
 329    [GEN6_FORMAT_R16G16B16_FLOAT]          = CAP(  5,   5,   0,   0),
 330    [GEN6_FORMAT_BC6H_SF16]                = CAP(  7,   7,   0,   0),
 331    [GEN6_FORMAT_BC7_UNORM]                = CAP(  7,   7,   0,   0),
 332    [GEN6_FORMAT_BC7_UNORM_SRGB]           = CAP(  7,   7,   0,   0),
 333    [GEN6_FORMAT_BC6H_UF16]                = CAP(  7,   7,   0,   0),
 334 #undef CAP
 335 };
 336
 337 /*
 338  * This table is based on:
 339  *
 340  *  - the Sandy Bridge PRM, volume 4 part 1, page 88-97
 341  *  - the Ivy Bridge PRM, volume 4 part 1, page 172, 252-253, and 277-278
 342  *  - the Haswell PRM, volume 7, page 262-264
 343  */
 344 static const struct ilo_dp_cap ilo_dp_caps[] = {
 345 #define CAP(rt_write, rt_write_blending, typed_write, media_color_processing) \
 346    { ILO_GEN(rt_write), ILO_GEN(rt_write_blending), ILO_GEN(typed_write), ILO_GEN(media_color_processing) }
 347    [GEN6_FORMAT_R32G32B32A32_FLOAT]       = CAP(  1,   1,   7,   0),
 348    [GEN6_FORMAT_R32G32B32A32_SINT]        = CAP(  1,   0,   7,   0),
 349    [GEN6_FORMAT_R32G32B32A32_UINT]        = CAP(  1,   0,   7,   0),
 350    [GEN6_FORMAT_R16G16B16A16_UNORM]       = CAP(  1, 4.5,   7,   6),
 351    [GEN6_FORMAT_R16G16B16A16_SNORM]       = CAP(  1,   6,   7,   0),
 352    [GEN6_FORMAT_R16G16B16A16_SINT]        = CAP(  1,   0,   7,   0),
 353    [GEN6_FORMAT_R16G16B16A16_UINT]        = CAP(  1,   0,   7,   0),
 354    [GEN6_FORMAT_R16G16B16A16_FLOAT]       = CAP(  1,   1,   7,   0),
 355    [GEN6_FORMAT_R32G32_FLOAT]             = CAP(  1,   1,   7,   0),
 356    [GEN6_FORMAT_R32G32_SINT]              = CAP(  1,   0,   7,   0),
 357    [GEN6_FORMAT_R32G32_UINT]              = CAP(  1,   0,   7,   0),
 358    [GEN6_FORMAT_B8G8R8A8_UNORM]           = CAP(  1,   1,   7,   6),
 359    [GEN6_FORMAT_B8G8R8A8_UNORM_SRGB]      = CAP(  1,   1,   0,   0),
 360    [GEN6_FORMAT_R10G10B10A2_UNORM]        = CAP(  1,   1,   7,   6),
 361    [GEN6_FORMAT_R10G10B10A2_UNORM_SRGB]   = CAP(  0,   0,   0,   6),
 362    [GEN6_FORMAT_R10G10B10A2_UINT]         = CAP(  1,   0,   7,   0),
 363    [GEN6_FORMAT_R8G8B8A8_UNORM]           = CAP(  1,   1,   7,   6),
 364    [GEN6_FORMAT_R8G8B8A8_UNORM_SRGB]      = CAP(  1,   1,   0,   6),
 365    [GEN6_FORMAT_R8G8B8A8_SNORM]           = CAP(  1,   6,   7,   0),
 366    [GEN6_FORMAT_R8G8B8A8_SINT]            = CAP(  1,   0,   7,   0),
 367    [GEN6_FORMAT_R8G8B8A8_UINT]            = CAP(  1,   0,   7,   0),
 368    [GEN6_FORMAT_R16G16_UNORM]             = CAP(  1, 4.5,   7,   0),
 369    [GEN6_FORMAT_R16G16_SNORM]             = CAP(  1,   6,   7,   0),
 370    [GEN6_FORMAT_R16G16_SINT]              = CAP(  1,   0,   7,   0),
 371    [GEN6_FORMAT_R16G16_UINT]              = CAP(  1,   0,   7,   0),
 372    [GEN6_FORMAT_R16G16_FLOAT]             = CAP(  1,   1,   7,   0),
 373    [GEN6_FORMAT_B10G10R10A2_UNORM]        = CAP(  1,   1,   7,   6),
 374    [GEN6_FORMAT_B10G10R10A2_UNORM_SRGB]   = CAP(  1,   1,   0,   6),
 375    [GEN6_FORMAT_R11G11B10_FLOAT]          = CAP(  1,   1,   7,   0),
 376    [GEN6_FORMAT_R32_SINT]                 = CAP(  1,   0,   7,   0),
 377    [GEN6_FORMAT_R32_UINT]                 = CAP(  1,   0,   7,   0),
 378    [GEN6_FORMAT_R32_FLOAT]                = CAP(  1,   1,   7,   0),
 379    [GEN6_FORMAT_B8G8R8X8_UNORM]           = CAP(  0,   0,   0,   6),
 380    [GEN6_FORMAT_B5G6R5_UNORM]             = CAP(  1,   1,   7,   0),
 381    [GEN6_FORMAT_B5G6R5_UNORM_SRGB]        = CAP(  1,   1,   0,   0),
 382    [GEN6_FORMAT_B5G5R5A1_UNORM]           = CAP(  1,   1,   7,   0),
 383    [GEN6_FORMAT_B5G5R5A1_UNORM_SRGB]      = CAP(  1,   1,   0,   0),
 384    [GEN6_FORMAT_B4G4R4A4_UNORM]           = CAP(  1,   1,   7,   0),
 385    [GEN6_FORMAT_B4G4R4A4_UNORM_SRGB]      = CAP(  1,   1,   0,   0),
 386    [GEN6_FORMAT_R8G8_UNORM]               = CAP(  1,   1,   7,   0),
 387    [GEN6_FORMAT_R8G8_SNORM]               = CAP(  1,   6,   7,   0),
 388    [GEN6_FORMAT_R8G8_SINT]                = CAP(  1,   0,   7,   0),
 389    [GEN6_FORMAT_R8G8_UINT]                = CAP(  1,   0,   7,   0),
 390    [GEN6_FORMAT_R16_UNORM]                = CAP(  1, 4.5,   7,   7),
 391    [GEN6_FORMAT_R16_SNORM]                = CAP(  1,   6,   7,   0),
 392    [GEN6_FORMAT_R16_SINT]                 = CAP(  1,   0,   7,   0),
 393    [GEN6_FORMAT_R16_UINT]                 = CAP(  1,   0,   7,   0),
 394    [GEN6_FORMAT_R16_FLOAT]                = CAP(  1,   1,   7,   0),
 395    [GEN6_FORMAT_B5G5R5X1_UNORM]           = CAP(  1,   1,   7,   0),
 396    [GEN6_FORMAT_B5G5R5X1_UNORM_SRGB]      = CAP(  1,   1,   0,   0),
 397    [GEN6_FORMAT_R8_UNORM]                 = CAP(  1,   1,   7,   0),
 398    [GEN6_FORMAT_R8_SNORM]                 = CAP(  1,   6,   7,   0),
 399    [GEN6_FORMAT_R8_SINT]                  = CAP(  1,   0,   7,   0),
 400    [GEN6_FORMAT_R8_UINT]                  = CAP(  1,   0,   7,   0),
 401    [GEN6_FORMAT_A8_UNORM]                 = CAP(  1,   1,   7,   0),
 402    [GEN6_FORMAT_YCRCB_NORMAL]             = CAP(  1,   0,   0,   6),
 403    [GEN6_FORMAT_YCRCB_SWAPUVY]            = CAP(  1,   0,   0,   6),
 404    [GEN6_FORMAT_YCRCB_SWAPUV]             = CAP(  1,   0,   0,   6),
 405    [GEN6_FORMAT_YCRCB_SWAPY]              = CAP(  1,   0,   0,   6),
 406 #undef CAP
 407 };
 408
 409 /**
 410  * Translate a color (non-depth/stencil) pipe format to the matching hardware
 411  * format.  Return -1 on errors.
 412  */
 413 int
 414 ilo_translate_color_format(const struct ilo_dev_info *dev,
 415                            enum pipe_format format)
 416 {
 417    static const int format_mapping[PIPE_FORMAT_COUNT] = {
 418       [PIPE_FORMAT_NONE]                  = 0,
 419       [PIPE_FORMAT_B8G8R8A8_UNORM]        = GEN6_FORMAT_B8G8R8A8_UNORM,
 420       [PIPE_FORMAT_B8G8R8X8_UNORM]        = GEN6_FORMAT_B8G8R8X8_UNORM,
 421       [PIPE_FORMAT_A8R8G8B8_UNORM]        = 0,
 422       [PIPE_FORMAT_X8R8G8B8_UNORM]        = 0,
 423       [PIPE_FORMAT_B5G5R5A1_UNORM]        = GEN6_FORMAT_B5G5R5A1_UNORM,
 424       [PIPE_FORMAT_B4G4R4A4_UNORM]        = GEN6_FORMAT_B4G4R4A4_UNORM,
 425       [PIPE_FORMAT_B5G6R5_UNORM]          = GEN6_FORMAT_B5G6R5_UNORM,
 426       [PIPE_FORMAT_R10G10B10A2_UNORM]     = GEN6_FORMAT_R10G10B10A2_UNORM,
 427       [PIPE_FORMAT_L8_UNORM]              = GEN6_FORMAT_L8_UNORM,
 428       [PIPE_FORMAT_A8_UNORM]              = GEN6_FORMAT_A8_UNORM,
 429       [PIPE_FORMAT_I8_UNORM]              = GEN6_FORMAT_I8_UNORM,
 430       [PIPE_FORMAT_L8A8_UNORM]            = GEN6_FORMAT_L8A8_UNORM,
 431       [PIPE_FORMAT_L16_UNORM]             = GEN6_FORMAT_L16_UNORM,
 432       [PIPE_FORMAT_UYVY]                  = GEN6_FORMAT_YCRCB_SWAPUVY,
 433       [PIPE_FORMAT_YUYV]                  = GEN6_FORMAT_YCRCB_NORMAL,
 434       [PIPE_FORMAT_Z16_UNORM]             = 0,
 435       [PIPE_FORMAT_Z32_UNORM]             = 0,
 436       [PIPE_FORMAT_Z32_FLOAT]             = 0,
 437       [PIPE_FORMAT_Z24_UNORM_S8_UINT]     = 0,
 438       [PIPE_FORMAT_S8_UINT_Z24_UNORM]     = 0,
 439       [PIPE_FORMAT_Z24X8_UNORM]           = 0,
 440       [PIPE_FORMAT_X8Z24_UNORM]           = 0,
 441       [PIPE_FORMAT_S8_UINT]               = 0,
 442       [PIPE_FORMAT_R64_FLOAT]             = GEN6_FORMAT_R64_FLOAT,
 443       [PIPE_FORMAT_R64G64_FLOAT]          = GEN6_FORMAT_R64G64_FLOAT,
 444       [PIPE_FORMAT_R64G64B64_FLOAT]       = GEN6_FORMAT_R64G64B64_FLOAT,
 445       [PIPE_FORMAT_R64G64B64A64_FLOAT]    = GEN6_FORMAT_R64G64B64A64_FLOAT,
 446       [PIPE_FORMAT_R32_FLOAT]             = GEN6_FORMAT_R32_FLOAT,
 447       [PIPE_FORMAT_R32G32_FLOAT]          = GEN6_FORMAT_R32G32_FLOAT,
 448       [PIPE_FORMAT_R32G32B32_FLOAT]       = GEN6_FORMAT_R32G32B32_FLOAT,
 449       [PIPE_FORMAT_R32G32B32A32_FLOAT]    = GEN6_FORMAT_R32G32B32A32_FLOAT,
 450       [PIPE_FORMAT_R32_UNORM]             = GEN6_FORMAT_R32_UNORM,
 451       [PIPE_FORMAT_R32G32_UNORM]          = GEN6_FORMAT_R32G32_UNORM,
 452       [PIPE_FORMAT_R32G32B32_UNORM]       = GEN6_FORMAT_R32G32B32_UNORM,
 453       [PIPE_FORMAT_R32G32B32A32_UNORM]    = GEN6_FORMAT_R32G32B32A32_UNORM,
 454       [PIPE_FORMAT_R32_USCALED]           = GEN6_FORMAT_R32_USCALED,
 455       [PIPE_FORMAT_R32G32_USCALED]        = GEN6_FORMAT_R32G32_USCALED,
 456       [PIPE_FORMAT_R32G32B32_USCALED]     = GEN6_FORMAT_R32G32B32_USCALED,
 457       [PIPE_FORMAT_R32G32B32A32_USCALED]  = GEN6_FORMAT_R32G32B32A32_USCALED,
 458       [PIPE_FORMAT_R32_SNORM]             = GEN6_FORMAT_R32_SNORM,
 459       [PIPE_FORMAT_R32G32_SNORM]          = GEN6_FORMAT_R32G32_SNORM,
 460       [PIPE_FORMAT_R32G32B32_SNORM]       = GEN6_FORMAT_R32G32B32_SNORM,
 461       [PIPE_FORMAT_R32G32B32A32_SNORM]    = GEN6_FORMAT_R32G32B32A32_SNORM,
 462       [PIPE_FORMAT_R32_SSCALED]           = GEN6_FORMAT_R32_SSCALED,
 463       [PIPE_FORMAT_R32G32_SSCALED]        = GEN6_FORMAT_R32G32_SSCALED,
 464       [PIPE_FORMAT_R32G32B32_SSCALED]     = GEN6_FORMAT_R32G32B32_SSCALED,
 465       [PIPE_FORMAT_R32G32B32A32_SSCALED]  = GEN6_FORMAT_R32G32B32A32_SSCALED,
 466       [PIPE_FORMAT_R16_UNORM]             = GEN6_FORMAT_R16_UNORM,
 467       [PIPE_FORMAT_R16G16_UNORM]          = GEN6_FORMAT_R16G16_UNORM,
 468       [PIPE_FORMAT_R16G16B16_UNORM]       = GEN6_FORMAT_R16G16B16_UNORM,
 469       [PIPE_FORMAT_R16G16B16A16_UNORM]    = GEN6_FORMAT_R16G16B16A16_UNORM,
 470       [PIPE_FORMAT_R16_USCALED]           = GEN6_FORMAT_R16_USCALED,
 471       [PIPE_FORMAT_R16G16_USCALED]        = GEN6_FORMAT_R16G16_USCALED,
 472       [PIPE_FORMAT_R16G16B16_USCALED]     = GEN6_FORMAT_R16G16B16_USCALED,
 473       [PIPE_FORMAT_R16G16B16A16_USCALED]  = GEN6_FORMAT_R16G16B16A16_USCALED,
 474       [PIPE_FORMAT_R16_SNORM]             = GEN6_FORMAT_R16_SNORM,
 475       [PIPE_FORMAT_R16G16_SNORM]          = GEN6_FORMAT_R16G16_SNORM,
 476       [PIPE_FORMAT_R16G16B16_SNORM]       = GEN6_FORMAT_R16G16B16_SNORM,
 477       [PIPE_FORMAT_R16G16B16A16_SNORM]    = GEN6_FORMAT_R16G16B16A16_SNORM,
 478       [PIPE_FORMAT_R16_SSCALED]           = GEN6_FORMAT_R16_SSCALED,
 479       [PIPE_FORMAT_R16G16_SSCALED]        = GEN6_FORMAT_R16G16_SSCALED,
 480       [PIPE_FORMAT_R16G16B16_SSCALED]     = GEN6_FORMAT_R16G16B16_SSCALED,
 481       [PIPE_FORMAT_R16G16B16A16_SSCALED]  = GEN6_FORMAT_R16G16B16A16_SSCALED,
 482       [PIPE_FORMAT_R8_UNORM]              = GEN6_FORMAT_R8_UNORM,
 483       [PIPE_FORMAT_R8G8_UNORM]            = GEN6_FORMAT_R8G8_UNORM,
 484       [PIPE_FORMAT_R8G8B8_UNORM]          = GEN6_FORMAT_R8G8B8_UNORM,
 485       [PIPE_FORMAT_R8G8B8A8_UNORM]        = GEN6_FORMAT_R8G8B8A8_UNORM,
 486       [PIPE_FORMAT_X8B8G8R8_UNORM]        = 0,
 487       [PIPE_FORMAT_R8_USCALED]            = GEN6_FORMAT_R8_USCALED,
 488       [PIPE_FORMAT_R8G8_USCALED]          = GEN6_FORMAT_R8G8_USCALED,
 489       [PIPE_FORMAT_R8G8B8_USCALED]        = GEN6_FORMAT_R8G8B8_USCALED,
 490       [PIPE_FORMAT_R8G8B8A8_USCALED]      = GEN6_FORMAT_R8G8B8A8_USCALED,
 491       [PIPE_FORMAT_R8_SNORM]              = GEN6_FORMAT_R8_SNORM,
 492       [PIPE_FORMAT_R8G8_SNORM]            = GEN6_FORMAT_R8G8_SNORM,
 493       [PIPE_FORMAT_R8G8B8_SNORM]          = GEN6_FORMAT_R8G8B8_SNORM,
 494       [PIPE_FORMAT_R8G8B8A8_SNORM]        = GEN6_FORMAT_R8G8B8A8_SNORM,
 495       [PIPE_FORMAT_R8_SSCALED]            = GEN6_FORMAT_R8_SSCALED,
 496       [PIPE_FORMAT_R8G8_SSCALED]          = GEN6_FORMAT_R8G8_SSCALED,
 497       [PIPE_FORMAT_R8G8B8_SSCALED]        = GEN6_FORMAT_R8G8B8_SSCALED,
 498       [PIPE_FORMAT_R8G8B8A8_SSCALED]      = GEN6_FORMAT_R8G8B8A8_SSCALED,
 499       [PIPE_FORMAT_R32_FIXED]             = GEN6_FORMAT_R32_SFIXED,
 500       [PIPE_FORMAT_R32G32_FIXED]          = GEN6_FORMAT_R32G32_SFIXED,
 501       [PIPE_FORMAT_R32G32B32_FIXED]       = GEN6_FORMAT_R32G32B32_SFIXED,
 502       [PIPE_FORMAT_R32G32B32A32_FIXED]    = GEN6_FORMAT_R32G32B32A32_SFIXED,
 503       [PIPE_FORMAT_R16_FLOAT]             = GEN6_FORMAT_R16_FLOAT,
 504       [PIPE_FORMAT_R16G16_FLOAT]          = GEN6_FORMAT_R16G16_FLOAT,
 505       [PIPE_FORMAT_R16G16B16_FLOAT]       = GEN6_FORMAT_R16G16B16_FLOAT,
 506       [PIPE_FORMAT_R16G16B16A16_FLOAT]    = GEN6_FORMAT_R16G16B16A16_FLOAT,
 507       [PIPE_FORMAT_L8_SRGB]               = GEN6_FORMAT_L8_UNORM_SRGB,
 508       [PIPE_FORMAT_L8A8_SRGB]             = GEN6_FORMAT_L8A8_UNORM_SRGB,
 509       [PIPE_FORMAT_R8G8B8_SRGB]           = GEN6_FORMAT_R8G8B8_UNORM_SRGB,
 510       [PIPE_FORMAT_A8B8G8R8_SRGB]         = 0,
 511       [PIPE_FORMAT_X8B8G8R8_SRGB]         = 0,
 512       [PIPE_FORMAT_B8G8R8A8_SRGB]         = GEN6_FORMAT_B8G8R8A8_UNORM_SRGB,
 513       [PIPE_FORMAT_B8G8R8X8_SRGB]         = GEN6_FORMAT_B8G8R8X8_UNORM_SRGB,
 514       [PIPE_FORMAT_A8R8G8B8_SRGB]         = 0,
 515       [PIPE_FORMAT_X8R8G8B8_SRGB]         = 0,
 516       [PIPE_FORMAT_R8G8B8A8_SRGB]         = GEN6_FORMAT_R8G8B8A8_UNORM_SRGB,
 517       [PIPE_FORMAT_DXT1_RGB]              = GEN6_FORMAT_DXT1_RGB,
 518       [PIPE_FORMAT_DXT1_RGBA]             = GEN6_FORMAT_BC1_UNORM,
 519       [PIPE_FORMAT_DXT3_RGBA]             = GEN6_FORMAT_BC2_UNORM,
 520       [PIPE_FORMAT_DXT5_RGBA]             = GEN6_FORMAT_BC3_UNORM,
 521       [PIPE_FORMAT_DXT1_SRGB]             = GEN6_FORMAT_DXT1_RGB_SRGB,
 522       [PIPE_FORMAT_DXT1_SRGBA]            = GEN6_FORMAT_BC1_UNORM_SRGB,
 523       [PIPE_FORMAT_DXT3_SRGBA]            = GEN6_FORMAT_BC2_UNORM_SRGB,
 524       [PIPE_FORMAT_DXT5_SRGBA]            = GEN6_FORMAT_BC3_UNORM_SRGB,
 525       [PIPE_FORMAT_RGTC1_UNORM]           = GEN6_FORMAT_BC4_UNORM,
 526       [PIPE_FORMAT_RGTC1_SNORM]           = GEN6_FORMAT_BC4_SNORM,
 527       [PIPE_FORMAT_RGTC2_UNORM]           = GEN6_FORMAT_BC5_UNORM,
 528       [PIPE_FORMAT_RGTC2_SNORM]           = GEN6_FORMAT_BC5_SNORM,
 529       [PIPE_FORMAT_R8G8_B8G8_UNORM]       = 0,
 530       [PIPE_FORMAT_G8R8_G8B8_UNORM]       = 0,
 531       [PIPE_FORMAT_R8SG8SB8UX8U_NORM]     = 0,
 532       [PIPE_FORMAT_R5SG5SB6U_NORM]        = 0,
 533       [PIPE_FORMAT_A8B8G8R8_UNORM]        = 0,
 534       [PIPE_FORMAT_B5G5R5X1_UNORM]        = GEN6_FORMAT_B5G5R5X1_UNORM,
 535       [PIPE_FORMAT_R10G10B10A2_USCALED]   = GEN6_FORMAT_R10G10B10A2_USCALED,
 536       [PIPE_FORMAT_R11G11B10_FLOAT]       = GEN6_FORMAT_R11G11B10_FLOAT,
 537       [PIPE_FORMAT_R9G9B9E5_FLOAT]        = GEN6_FORMAT_R9G9B9E5_SHAREDEXP,
 538       [PIPE_FORMAT_Z32_FLOAT_S8X24_UINT]  = 0,
 539       [PIPE_FORMAT_R1_UNORM]              = GEN6_FORMAT_R1_UNORM,
 540       [PIPE_FORMAT_R10G10B10X2_USCALED]   = GEN6_FORMAT_R10G10B10X2_USCALED,
 541       [PIPE_FORMAT_R10G10B10X2_SNORM]     = 0,
 542       [PIPE_FORMAT_L4A4_UNORM]            = 0,
 543       [PIPE_FORMAT_B10G10R10A2_UNORM]     = GEN6_FORMAT_B10G10R10A2_UNORM,
 544       [PIPE_FORMAT_R10SG10SB10SA2U_NORM]  = 0,
 545       [PIPE_FORMAT_R8G8Bx_SNORM]          = 0,
 546       [PIPE_FORMAT_R8G8B8X8_UNORM]        = GEN6_FORMAT_R8G8B8X8_UNORM,
 547       [PIPE_FORMAT_B4G4R4X4_UNORM]        = 0,
 548       [PIPE_FORMAT_X24S8_UINT]            = 0,
 549       [PIPE_FORMAT_S8X24_UINT]            = 0,
 550       [PIPE_FORMAT_X32_S8X24_UINT]        = 0,
 551       [PIPE_FORMAT_B2G3R3_UNORM]          = 0,
 552       [PIPE_FORMAT_L16A16_UNORM]          = GEN6_FORMAT_L16A16_UNORM,
 553       [PIPE_FORMAT_A16_UNORM]             = GEN6_FORMAT_A16_UNORM,
 554       [PIPE_FORMAT_I16_UNORM]             = GEN6_FORMAT_I16_UNORM,
 555       [PIPE_FORMAT_LATC1_UNORM]           = 0,
 556       [PIPE_FORMAT_LATC1_SNORM]           = 0,
 557       [PIPE_FORMAT_LATC2_UNORM]           = 0,
 558       [PIPE_FORMAT_LATC2_SNORM]           = 0,
 559       [PIPE_FORMAT_A8_SNORM]              = 0,
 560       [PIPE_FORMAT_L8_SNORM]              = 0,
 561       [PIPE_FORMAT_L8A8_SNORM]            = 0,
 562       [PIPE_FORMAT_I8_SNORM]              = 0,
 563       [PIPE_FORMAT_A16_SNORM]             = 0,
 564       [PIPE_FORMAT_L16_SNORM]             = 0,
 565       [PIPE_FORMAT_L16A16_SNORM]          = 0,
 566       [PIPE_FORMAT_I16_SNORM]             = 0,
 567       [PIPE_FORMAT_A16_FLOAT]             = GEN6_FORMAT_A16_FLOAT,
 568       [PIPE_FORMAT_L16_FLOAT]             = GEN6_FORMAT_L16_FLOAT,
 569       [PIPE_FORMAT_L16A16_FLOAT]          = GEN6_FORMAT_L16A16_FLOAT,
 570       [PIPE_FORMAT_I16_FLOAT]             = GEN6_FORMAT_I16_FLOAT,
 571       [PIPE_FORMAT_A32_FLOAT]             = GEN6_FORMAT_A32_FLOAT,
 572       [PIPE_FORMAT_L32_FLOAT]             = GEN6_FORMAT_L32_FLOAT,
 573       [PIPE_FORMAT_L32A32_FLOAT]          = GEN6_FORMAT_L32A32_FLOAT,
 574       [PIPE_FORMAT_I32_FLOAT]             = GEN6_FORMAT_I32_FLOAT,
 575       [PIPE_FORMAT_YV12]                  = 0,
 576       [PIPE_FORMAT_YV16]                  = 0,
 577       [PIPE_FORMAT_IYUV]                  = 0,
 578       [PIPE_FORMAT_NV12]                  = 0,
 579       [PIPE_FORMAT_NV21]                  = 0,
 580       [PIPE_FORMAT_A4R4_UNORM]            = 0,
 581       [PIPE_FORMAT_R4A4_UNORM]            = 0,
 582       [PIPE_FORMAT_R8A8_UNORM]            = 0,
 583       [PIPE_FORMAT_A8R8_UNORM]            = 0,
 584       [PIPE_FORMAT_R10G10B10A2_SSCALED]   = GEN6_FORMAT_R10G10B10A2_SSCALED,
 585       [PIPE_FORMAT_R10G10B10A2_SNORM]     = GEN6_FORMAT_R10G10B10A2_SNORM,
 586       [PIPE_FORMAT_B10G10R10A2_USCALED]   = GEN6_FORMAT_B10G10R10A2_USCALED,
 587       [PIPE_FORMAT_B10G10R10A2_SSCALED]   = GEN6_FORMAT_B10G10R10A2_SSCALED,
 588       [PIPE_FORMAT_B10G10R10A2_SNORM]     = GEN6_FORMAT_B10G10R10A2_SNORM,
 589       [PIPE_FORMAT_R8_UINT]               = GEN6_FORMAT_R8_UINT,
 590       [PIPE_FORMAT_R8G8_UINT]             = GEN6_FORMAT_R8G8_UINT,
 591       [PIPE_FORMAT_R8G8B8_UINT]           = GEN6_FORMAT_R8G8B8_UINT,
 592       [PIPE_FORMAT_R8G8B8A8_UINT]         = GEN6_FORMAT_R8G8B8A8_UINT,
 593       [PIPE_FORMAT_R8_SINT]               = GEN6_FORMAT_R8_SINT,
 594       [PIPE_FORMAT_R8G8_SINT]             = GEN6_FORMAT_R8G8_SINT,
 595       [PIPE_FORMAT_R8G8B8_SINT]           = GEN6_FORMAT_R8G8B8_SINT,
 596       [PIPE_FORMAT_R8G8B8A8_SINT]         = GEN6_FORMAT_R8G8B8A8_SINT,
 597       [PIPE_FORMAT_R16_UINT]              = GEN6_FORMAT_R16_UINT,
 598       [PIPE_FORMAT_R16G16_UINT]           = GEN6_FORMAT_R16G16_UINT,
 599       [PIPE_FORMAT_R16G16B16_UINT]        = GEN6_FORMAT_R16G16B16_UINT,
 600       [PIPE_FORMAT_R16G16B16A16_UINT]     = GEN6_FORMAT_R16G16B16A16_UINT,
 601       [PIPE_FORMAT_R16_SINT]              = GEN6_FORMAT_R16_SINT,
 602       [PIPE_FORMAT_R16G16_SINT]           = GEN6_FORMAT_R16G16_SINT,
 603       [PIPE_FORMAT_R16G16B16_SINT]        = GEN6_FORMAT_R16G16B16_SINT,
 604       [PIPE_FORMAT_R16G16B16A16_SINT]     = GEN6_FORMAT_R16G16B16A16_SINT,
 605       [PIPE_FORMAT_R32_UINT]              = GEN6_FORMAT_R32_UINT,
 606       [PIPE_FORMAT_R32G32_UINT]           = GEN6_FORMAT_R32G32_UINT,
 607       [PIPE_FORMAT_R32G32B32_UINT]        = GEN6_FORMAT_R32G32B32_UINT,
 608       [PIPE_FORMAT_R32G32B32A32_UINT]     = GEN6_FORMAT_R32G32B32A32_UINT,
 609       [PIPE_FORMAT_R32_SINT]              = GEN6_FORMAT_R32_SINT,
 610       [PIPE_FORMAT_R32G32_SINT]           = GEN6_FORMAT_R32G32_SINT,
 611       [PIPE_FORMAT_R32G32B32_SINT]        = GEN6_FORMAT_R32G32B32_SINT,
 612       [PIPE_FORMAT_R32G32B32A32_SINT]     = GEN6_FORMAT_R32G32B32A32_SINT,
 613       [PIPE_FORMAT_A8_UINT]               = 0,
 614       [PIPE_FORMAT_I8_UINT]               = GEN6_FORMAT_I8_UINT,
 615       [PIPE_FORMAT_L8_UINT]               = GEN6_FORMAT_L8_UINT,
 616       [PIPE_FORMAT_L8A8_UINT]             = GEN6_FORMAT_L8A8_UINT,
 617       [PIPE_FORMAT_A8_SINT]               = 0,
 618       [PIPE_FORMAT_I8_SINT]               = GEN6_FORMAT_I8_SINT,
 619       [PIPE_FORMAT_L8_SINT]               = GEN6_FORMAT_L8_SINT,
 620       [PIPE_FORMAT_L8A8_SINT]             = GEN6_FORMAT_L8A8_SINT,
 621       [PIPE_FORMAT_A16_UINT]              = 0,
 622       [PIPE_FORMAT_I16_UINT]              = 0,
 623       [PIPE_FORMAT_L16_UINT]              = 0,
 624       [PIPE_FORMAT_L16A16_UINT]           = 0,
 625       [PIPE_FORMAT_A16_SINT]              = 0,
 626       [PIPE_FORMAT_I16_SINT]              = 0,
 627       [PIPE_FORMAT_L16_SINT]              = 0,
 628       [PIPE_FORMAT_L16A16_SINT]           = 0,
 629       [PIPE_FORMAT_A32_UINT]              = 0,
 630       [PIPE_FORMAT_I32_UINT]              = 0,
 631       [PIPE_FORMAT_L32_UINT]              = 0,
 632       [PIPE_FORMAT_L32A32_UINT]           = 0,
 633       [PIPE_FORMAT_A32_SINT]              = 0,
 634       [PIPE_FORMAT_I32_SINT]              = 0,
 635       [PIPE_FORMAT_L32_SINT]              = 0,
 636       [PIPE_FORMAT_L32A32_SINT]           = 0,
 637       [PIPE_FORMAT_B10G10R10A2_UINT]      = GEN6_FORMAT_B10G10R10A2_UINT,
 638       [PIPE_FORMAT_ETC1_RGB8]             = GEN6_FORMAT_ETC1_RGB8,
 639       [PIPE_FORMAT_R8G8_R8B8_UNORM]       = 0,
 640       [PIPE_FORMAT_G8R8_B8R8_UNORM]       = 0,
 641       [PIPE_FORMAT_R8G8B8X8_SNORM]        = 0,
 642       [PIPE_FORMAT_R8G8B8X8_SRGB]         = 0,
 643       [PIPE_FORMAT_R8G8B8X8_UINT]         = 0,
 644       [PIPE_FORMAT_R8G8B8X8_SINT]         = 0,
 645       [PIPE_FORMAT_B10G10R10X2_UNORM]     = GEN6_FORMAT_B10G10R10X2_UNORM,
 646       [PIPE_FORMAT_R16G16B16X16_UNORM]    = GEN6_FORMAT_R16G16B16X16_UNORM,
 647       [PIPE_FORMAT_R16G16B16X16_SNORM]    = 0,
 648       [PIPE_FORMAT_R16G16B16X16_FLOAT]    = GEN6_FORMAT_R16G16B16X16_FLOAT,
 649       [PIPE_FORMAT_R16G16B16X16_UINT]     = 0,
 650       [PIPE_FORMAT_R16G16B16X16_SINT]     = 0,
 651       [PIPE_FORMAT_R32G32B32X32_FLOAT]    = GEN6_FORMAT_R32G32B32X32_FLOAT,
 652       [PIPE_FORMAT_R32G32B32X32_UINT]     = 0,
 653       [PIPE_FORMAT_R32G32B32X32_SINT]     = 0,
 654       [PIPE_FORMAT_R8A8_SNORM]            = 0,
 655       [PIPE_FORMAT_R16A16_UNORM]          = 0,
 656       [PIPE_FORMAT_R16A16_SNORM]          = 0,
 657       [PIPE_FORMAT_R16A16_FLOAT]          = 0,
 658       [PIPE_FORMAT_R32A32_FLOAT]          = 0,
 659       [PIPE_FORMAT_R8A8_UINT]             = 0,
 660       [PIPE_FORMAT_R8A8_SINT]             = 0,
 661       [PIPE_FORMAT_R16A16_UINT]           = 0,
 662       [PIPE_FORMAT_R16A16_SINT]           = 0,
 663       [PIPE_FORMAT_R32A32_UINT]           = 0,
 664       [PIPE_FORMAT_R32A32_SINT]           = 0,
 665       [PIPE_FORMAT_R10G10B10A2_UINT]      = GEN6_FORMAT_R10G10B10A2_UINT,
 666       [PIPE_FORMAT_B5G6R5_SRGB]           = GEN6_FORMAT_B5G6R5_UNORM_SRGB,
 667    };
 668    int sfmt = format_mapping[format];
 669
 670    /* GEN6_FORMAT_R32G32B32A32_FLOAT happens to be 0 */
 671    if (!sfmt && format != PIPE_FORMAT_R32G32B32A32_FLOAT)
 672       sfmt = -1;
 673
 674    return sfmt;
 675 }
 676
 677 static bool
 678 ilo_format_supports_zs(const struct ilo_dev_info *dev,
 679                        enum pipe_format format)
 680 {
 681    switch (format) {
 682    case PIPE_FORMAT_Z16_UNORM:
 683    case PIPE_FORMAT_Z24X8_UNORM:
 684    case PIPE_FORMAT_Z32_FLOAT:
 685    case PIPE_FORMAT_Z24_UNORM_S8_UINT:
 686    case PIPE_FORMAT_Z32_FLOAT_S8X24_UINT:
 687       return true;
 688    case PIPE_FORMAT_S8_UINT:
 689       /* TODO separate stencil */
 690    default:
 691       return false;
 692    }
 693 }
 694
 695 static bool
 696 ilo_format_supports_rt(const struct ilo_dev_info *dev,
 697                        enum pipe_format format)
 698 {
 699    const int idx = ilo_translate_format(dev, format, PIPE_BIND_RENDER_TARGET);
 700    const struct ilo_dp_cap *cap = (idx >= 0 && idx < Elements(ilo_dp_caps)) ?
 701       &ilo_dp_caps[idx] : NULL;
 702
 703    if (!cap || !cap->rt_write)
 704       return false;
 705
 706    assert(!cap->rt_write_blending || cap->rt_write_blending >= cap->rt_write);
 707
 708    return util_format_is_pure_integer(format) ? (dev->gen >= cap->rt_write) :
 709       (cap->rt_write_blending) ? (dev->gen >= cap->rt_write_blending) : false;
 710 }
 711
 712 static bool
 713 ilo_format_supports_sampler(const struct ilo_dev_info *dev,
 714                             enum pipe_format format)
 715 {
 716    const int idx = ilo_translate_format(dev, format, PIPE_BIND_SAMPLER_VIEW);
 717    const struct ilo_sampler_cap *cap = (idx >= 0 &&
 718          idx < Elements(ilo_sampler_caps)) ? &ilo_sampler_caps[idx] : NULL;
 719
 720    if (!cap || !cap->sampling)
 721       return false;
 722
 723    assert(!cap->filtering || cap->filtering >= cap->sampling);
 724
 725    return util_format_is_pure_integer(format) ? (dev->gen >= cap->sampling) :
 726       (cap->filtering) ? (dev->gen >= cap->filtering) : false;
 727 }
 728
 729 static bool
 730 ilo_format_supports_vb(const struct ilo_dev_info *dev,
 731                        enum pipe_format format)
 732 {
 733    const int idx = ilo_translate_format(dev, format, PIPE_BIND_VERTEX_BUFFER);
 734    const struct ilo_vf_cap *cap = (idx >= 0 && idx < Elements(ilo_vf_caps)) ?
 735       &ilo_vf_caps[idx] : NULL;
 736
 737    return (cap && cap->vertex_element && dev->gen >= cap->vertex_element);
 738 }
 739
 740 static boolean
 741 ilo_is_format_supported(struct pipe_screen *screen,
 742                         enum pipe_format format,
 743                         enum pipe_texture_target target,
 744                         unsigned sample_count,
 745                         unsigned bindings)
 746 {
 747    struct ilo_screen *is = ilo_screen(screen);
 748    const struct ilo_dev_info *dev = &is->dev;
 749    unsigned bind;
 750
 751    if (!util_format_is_supported(format, bindings))
 752       return false;
 753
 754    /* no MSAA support yet */
 755    if (sample_count > 1)
 756       return false;
 757
 758    bind = (bindings & PIPE_BIND_DEPTH_STENCIL);
 759    if (bind && !ilo_format_supports_zs(dev, format))
 760       return false;
 761
 762    bind = (bindings & PIPE_BIND_RENDER_TARGET);
 763    if (bind && !ilo_format_supports_rt(dev, format))
 764       return false;
 765
 766    bind = (bindings & PIPE_BIND_SAMPLER_VIEW);
 767    if (bind && !ilo_format_supports_sampler(dev, format))
 768       return false;
 769
 770    bind = (bindings & PIPE_BIND_VERTEX_BUFFER);
 771    if (bind && !ilo_format_supports_vb(dev, format))
 772       return false;
 773
 774    (void) ilo_sol_caps;
 775
 776    return true;
 777 }
 778
 779 static boolean
 780 ilo_is_video_format_supported(struct pipe_screen *screen,
 781                               enum pipe_format format,
 782                               enum pipe_video_profile profile,
 783                               enum pipe_video_entrypoint entrypoint)
 784 {
 785    return vl_video_buffer_is_format_supported(screen, format, profile, entrypoint);
 786 }
 787
 788 /**
 789  * Initialize format-related functions.
 790  */
 791 void
 792 ilo_init_format_functions(struct ilo_screen *is)
 793 {
 794    is->base.is_format_supported = ilo_is_format_supported;
 795    is->base.is_video_format_supported = ilo_is_video_format_supported;
 796 }