src/intel/vulkan/anv_formats.c

   1 /*
   2  * Copyright © 2015 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
  24 #include "anv_private.h"
  25 #include "vk_format_info.h"
  26
  27 #define RGBA ISL_SWIZZLE(RED, GREEN, BLUE, ALPHA)
  28 #define BGRA ISL_SWIZZLE(BLUE, GREEN, RED, ALPHA)
  29 #define RGB1 ISL_SWIZZLE(RED, GREEN, BLUE, ONE)
  30
  31 #define swiz_fmt(__vk_fmt, __hw_fmt, __swizzle)     \
  32    [__vk_fmt] = { \
  33       .isl_format = __hw_fmt, \
  34       .swizzle = __swizzle, \
  35    }
  36
  37 #define fmt(__vk_fmt, __hw_fmt) \
  38    swiz_fmt(__vk_fmt, __hw_fmt, RGBA)
  39
  40 /* HINT: For array formats, the ISL name should match the VK name.  For
  41  * packed formats, they should have the channels in reverse order from each
  42  * other.  The reason for this is that, for packed formats, the ISL (and
  43  * bspec) names are in LSB -> MSB order while VK formats are MSB -> LSB.
  44  */
  45 static const struct anv_format anv_formats[] = {
  46    fmt(VK_FORMAT_UNDEFINED,               ISL_FORMAT_UNSUPPORTED),
  47    fmt(VK_FORMAT_R4G4_UNORM_PACK8,        ISL_FORMAT_UNSUPPORTED),
  48    fmt(VK_FORMAT_R4G4B4A4_UNORM_PACK16,   ISL_FORMAT_A4B4G4R4_UNORM),
  49    swiz_fmt(VK_FORMAT_B4G4R4A4_UNORM_PACK16,   ISL_FORMAT_A4B4G4R4_UNORM,  BGRA),
  50    fmt(VK_FORMAT_R5G6B5_UNORM_PACK16,     ISL_FORMAT_B5G6R5_UNORM),
  51    swiz_fmt(VK_FORMAT_B5G6R5_UNORM_PACK16,     ISL_FORMAT_B5G6R5_UNORM, BGRA),
  52    fmt(VK_FORMAT_R5G5B5A1_UNORM_PACK16,   ISL_FORMAT_A1B5G5R5_UNORM),
  53    fmt(VK_FORMAT_B5G5R5A1_UNORM_PACK16,   ISL_FORMAT_UNSUPPORTED),
  54    fmt(VK_FORMAT_A1R5G5B5_UNORM_PACK16,   ISL_FORMAT_B5G5R5A1_UNORM),
  55    fmt(VK_FORMAT_R8_UNORM,                ISL_FORMAT_R8_UNORM),
  56    fmt(VK_FORMAT_R8_SNORM,                ISL_FORMAT_R8_SNORM),
  57    fmt(VK_FORMAT_R8_USCALED,              ISL_FORMAT_R8_USCALED),
  58    fmt(VK_FORMAT_R8_SSCALED,              ISL_FORMAT_R8_SSCALED),
  59    fmt(VK_FORMAT_R8_UINT,                 ISL_FORMAT_R8_UINT),
  60    fmt(VK_FORMAT_R8_SINT,                 ISL_FORMAT_R8_SINT),
  61    fmt(VK_FORMAT_R8_SRGB,                 ISL_FORMAT_UNSUPPORTED),
  62    fmt(VK_FORMAT_R8G8_UNORM,              ISL_FORMAT_R8G8_UNORM),
  63    fmt(VK_FORMAT_R8G8_SNORM,              ISL_FORMAT_R8G8_SNORM),
  64    fmt(VK_FORMAT_R8G8_USCALED,            ISL_FORMAT_R8G8_USCALED),
  65    fmt(VK_FORMAT_R8G8_SSCALED,            ISL_FORMAT_R8G8_SSCALED),
  66    fmt(VK_FORMAT_R8G8_UINT,               ISL_FORMAT_R8G8_UINT),
  67    fmt(VK_FORMAT_R8G8_SINT,               ISL_FORMAT_R8G8_SINT),
  68    fmt(VK_FORMAT_R8G8_SRGB,               ISL_FORMAT_UNSUPPORTED), /* L8A8_UNORM_SRGB */
  69    fmt(VK_FORMAT_R8G8B8_UNORM,            ISL_FORMAT_R8G8B8_UNORM),
  70    fmt(VK_FORMAT_R8G8B8_SNORM,            ISL_FORMAT_R8G8B8_SNORM),
  71    fmt(VK_FORMAT_R8G8B8_USCALED,          ISL_FORMAT_R8G8B8_USCALED),
  72    fmt(VK_FORMAT_R8G8B8_SSCALED,          ISL_FORMAT_R8G8B8_SSCALED),
  73    fmt(VK_FORMAT_R8G8B8_UINT,             ISL_FORMAT_R8G8B8_UINT),
  74    fmt(VK_FORMAT_R8G8B8_SINT,             ISL_FORMAT_R8G8B8_SINT),
  75    fmt(VK_FORMAT_R8G8B8_SRGB,             ISL_FORMAT_UNSUPPORTED), /* B8G8R8A8_UNORM_SRGB */
  76    fmt(VK_FORMAT_R8G8B8A8_UNORM,          ISL_FORMAT_R8G8B8A8_UNORM),
  77    fmt(VK_FORMAT_R8G8B8A8_SNORM,          ISL_FORMAT_R8G8B8A8_SNORM),
  78    fmt(VK_FORMAT_R8G8B8A8_USCALED,        ISL_FORMAT_R8G8B8A8_USCALED),
  79    fmt(VK_FORMAT_R8G8B8A8_SSCALED,        ISL_FORMAT_R8G8B8A8_SSCALED),
  80    fmt(VK_FORMAT_R8G8B8A8_UINT,           ISL_FORMAT_R8G8B8A8_UINT),
  81    fmt(VK_FORMAT_R8G8B8A8_SINT,           ISL_FORMAT_R8G8B8A8_SINT),
  82    fmt(VK_FORMAT_R8G8B8A8_SRGB,           ISL_FORMAT_R8G8B8A8_UNORM_SRGB),
  83    fmt(VK_FORMAT_A8B8G8R8_UNORM_PACK32,   ISL_FORMAT_R8G8B8A8_UNORM),
  84    fmt(VK_FORMAT_A8B8G8R8_SNORM_PACK32,   ISL_FORMAT_R8G8B8A8_SNORM),
  85    fmt(VK_FORMAT_A8B8G8R8_USCALED_PACK32, ISL_FORMAT_R8G8B8A8_USCALED),
  86    fmt(VK_FORMAT_A8B8G8R8_SSCALED_PACK32, ISL_FORMAT_R8G8B8A8_SSCALED),
  87    fmt(VK_FORMAT_A8B8G8R8_UINT_PACK32,    ISL_FORMAT_R8G8B8A8_UINT),
  88    fmt(VK_FORMAT_A8B8G8R8_SINT_PACK32,    ISL_FORMAT_R8G8B8A8_SINT),
  89    fmt(VK_FORMAT_A8B8G8R8_SRGB_PACK32,    ISL_FORMAT_R8G8B8A8_UNORM_SRGB),
  90    fmt(VK_FORMAT_A2R10G10B10_UNORM_PACK32, ISL_FORMAT_B10G10R10A2_UNORM),
  91    fmt(VK_FORMAT_A2R10G10B10_SNORM_PACK32, ISL_FORMAT_B10G10R10A2_SNORM),
  92    fmt(VK_FORMAT_A2R10G10B10_USCALED_PACK32, ISL_FORMAT_B10G10R10A2_USCALED),
  93    fmt(VK_FORMAT_A2R10G10B10_SSCALED_PACK32, ISL_FORMAT_B10G10R10A2_SSCALED),
  94    fmt(VK_FORMAT_A2R10G10B10_UINT_PACK32, ISL_FORMAT_B10G10R10A2_UINT),
  95    fmt(VK_FORMAT_A2R10G10B10_SINT_PACK32, ISL_FORMAT_B10G10R10A2_SINT),
  96    fmt(VK_FORMAT_A2B10G10R10_UNORM_PACK32, ISL_FORMAT_R10G10B10A2_UNORM),
  97    fmt(VK_FORMAT_A2B10G10R10_SNORM_PACK32, ISL_FORMAT_R10G10B10A2_SNORM),
  98    fmt(VK_FORMAT_A2B10G10R10_USCALED_PACK32, ISL_FORMAT_R10G10B10A2_USCALED),
  99    fmt(VK_FORMAT_A2B10G10R10_SSCALED_PACK32, ISL_FORMAT_R10G10B10A2_SSCALED),
 100    fmt(VK_FORMAT_A2B10G10R10_UINT_PACK32, ISL_FORMAT_R10G10B10A2_UINT),
 101    fmt(VK_FORMAT_A2B10G10R10_SINT_PACK32, ISL_FORMAT_R10G10B10A2_SINT),
 102    fmt(VK_FORMAT_R16_UNORM,               ISL_FORMAT_R16_UNORM),
 103    fmt(VK_FORMAT_R16_SNORM,               ISL_FORMAT_R16_SNORM),
 104    fmt(VK_FORMAT_R16_USCALED,             ISL_FORMAT_R16_USCALED),
 105    fmt(VK_FORMAT_R16_SSCALED,             ISL_FORMAT_R16_SSCALED),
 106    fmt(VK_FORMAT_R16_UINT,                ISL_FORMAT_R16_UINT),
 107    fmt(VK_FORMAT_R16_SINT,                ISL_FORMAT_R16_SINT),
 108    fmt(VK_FORMAT_R16_SFLOAT,              ISL_FORMAT_R16_FLOAT),
 109    fmt(VK_FORMAT_R16G16_UNORM,            ISL_FORMAT_R16G16_UNORM),
 110    fmt(VK_FORMAT_R16G16_SNORM,            ISL_FORMAT_R16G16_SNORM),
 111    fmt(VK_FORMAT_R16G16_USCALED,          ISL_FORMAT_R16G16_USCALED),
 112    fmt(VK_FORMAT_R16G16_SSCALED,          ISL_FORMAT_R16G16_SSCALED),
 113    fmt(VK_FORMAT_R16G16_UINT,             ISL_FORMAT_R16G16_UINT),
 114    fmt(VK_FORMAT_R16G16_SINT,             ISL_FORMAT_R16G16_SINT),
 115    fmt(VK_FORMAT_R16G16_SFLOAT,           ISL_FORMAT_R16G16_FLOAT),
 116    fmt(VK_FORMAT_R16G16B16_UNORM,         ISL_FORMAT_R16G16B16_UNORM),
 117    fmt(VK_FORMAT_R16G16B16_SNORM,         ISL_FORMAT_R16G16B16_SNORM),
 118    fmt(VK_FORMAT_R16G16B16_USCALED,       ISL_FORMAT_R16G16B16_USCALED),
 119    fmt(VK_FORMAT_R16G16B16_SSCALED,       ISL_FORMAT_R16G16B16_SSCALED),
 120    fmt(VK_FORMAT_R16G16B16_UINT,          ISL_FORMAT_R16G16B16_UINT),
 121    fmt(VK_FORMAT_R16G16B16_SINT,          ISL_FORMAT_R16G16B16_SINT),
 122    fmt(VK_FORMAT_R16G16B16_SFLOAT,        ISL_FORMAT_R16G16B16_FLOAT),
 123    fmt(VK_FORMAT_R16G16B16A16_UNORM,      ISL_FORMAT_R16G16B16A16_UNORM),
 124    fmt(VK_FORMAT_R16G16B16A16_SNORM,      ISL_FORMAT_R16G16B16A16_SNORM),
 125    fmt(VK_FORMAT_R16G16B16A16_USCALED,    ISL_FORMAT_R16G16B16A16_USCALED),
 126    fmt(VK_FORMAT_R16G16B16A16_SSCALED,    ISL_FORMAT_R16G16B16A16_SSCALED),
 127    fmt(VK_FORMAT_R16G16B16A16_UINT,       ISL_FORMAT_R16G16B16A16_UINT),
 128    fmt(VK_FORMAT_R16G16B16A16_SINT,       ISL_FORMAT_R16G16B16A16_SINT),
 129    fmt(VK_FORMAT_R16G16B16A16_SFLOAT,     ISL_FORMAT_R16G16B16A16_FLOAT),
 130    fmt(VK_FORMAT_R32_UINT,                ISL_FORMAT_R32_UINT),
 131    fmt(VK_FORMAT_R32_SINT,                ISL_FORMAT_R32_SINT),
 132    fmt(VK_FORMAT_R32_SFLOAT,              ISL_FORMAT_R32_FLOAT),
 133    fmt(VK_FORMAT_R32G32_UINT,             ISL_FORMAT_R32G32_UINT),
 134    fmt(VK_FORMAT_R32G32_SINT,             ISL_FORMAT_R32G32_SINT),
 135    fmt(VK_FORMAT_R32G32_SFLOAT,           ISL_FORMAT_R32G32_FLOAT),
 136    fmt(VK_FORMAT_R32G32B32_UINT,          ISL_FORMAT_R32G32B32_UINT),
 137    fmt(VK_FORMAT_R32G32B32_SINT,          ISL_FORMAT_R32G32B32_SINT),
 138    fmt(VK_FORMAT_R32G32B32_SFLOAT,        ISL_FORMAT_R32G32B32_FLOAT),
 139    fmt(VK_FORMAT_R32G32B32A32_UINT,       ISL_FORMAT_R32G32B32A32_UINT),
 140    fmt(VK_FORMAT_R32G32B32A32_SINT,       ISL_FORMAT_R32G32B32A32_SINT),
 141    fmt(VK_FORMAT_R32G32B32A32_SFLOAT,     ISL_FORMAT_R32G32B32A32_FLOAT),
 142    fmt(VK_FORMAT_R64_UINT,                ISL_FORMAT_R64_PASSTHRU),
 143    fmt(VK_FORMAT_R64_SINT,                ISL_FORMAT_R64_PASSTHRU),
 144    fmt(VK_FORMAT_R64_SFLOAT,              ISL_FORMAT_R64_FLOAT),
 145    fmt(VK_FORMAT_R64G64_UINT,             ISL_FORMAT_R64G64_PASSTHRU),
 146    fmt(VK_FORMAT_R64G64_SINT,             ISL_FORMAT_R64G64_PASSTHRU),
 147    fmt(VK_FORMAT_R64G64_SFLOAT,           ISL_FORMAT_R64G64_FLOAT),
 148    fmt(VK_FORMAT_R64G64B64_UINT,          ISL_FORMAT_R64G64B64_PASSTHRU),
 149    fmt(VK_FORMAT_R64G64B64_SINT,          ISL_FORMAT_R64G64B64_PASSTHRU),
 150    fmt(VK_FORMAT_R64G64B64_SFLOAT,        ISL_FORMAT_R64G64B64_FLOAT),
 151    fmt(VK_FORMAT_R64G64B64A64_UINT,       ISL_FORMAT_R64G64B64A64_PASSTHRU),
 152    fmt(VK_FORMAT_R64G64B64A64_SINT,       ISL_FORMAT_R64G64B64A64_PASSTHRU),
 153    fmt(VK_FORMAT_R64G64B64A64_SFLOAT,     ISL_FORMAT_R64G64B64A64_FLOAT),
 154    fmt(VK_FORMAT_B10G11R11_UFLOAT_PACK32, ISL_FORMAT_R11G11B10_FLOAT),
 155    fmt(VK_FORMAT_E5B9G9R9_UFLOAT_PACK32,  ISL_FORMAT_R9G9B9E5_SHAREDEXP),
 156
 157    fmt(VK_FORMAT_D16_UNORM,               ISL_FORMAT_R16_UNORM),
 158    fmt(VK_FORMAT_X8_D24_UNORM_PACK32,     ISL_FORMAT_R24_UNORM_X8_TYPELESS),
 159    fmt(VK_FORMAT_D32_SFLOAT,              ISL_FORMAT_R32_FLOAT),
 160    fmt(VK_FORMAT_S8_UINT,                 ISL_FORMAT_R8_UINT),
 161    fmt(VK_FORMAT_D16_UNORM_S8_UINT,       ISL_FORMAT_UNSUPPORTED),
 162    fmt(VK_FORMAT_D24_UNORM_S8_UINT,       ISL_FORMAT_R24_UNORM_X8_TYPELESS),
 163    fmt(VK_FORMAT_D32_SFLOAT_S8_UINT,      ISL_FORMAT_R32_FLOAT),
 164
 165    fmt(VK_FORMAT_BC1_RGB_UNORM_BLOCK,     ISL_FORMAT_DXT1_RGB),
 166    fmt(VK_FORMAT_BC1_RGB_SRGB_BLOCK,      ISL_FORMAT_DXT1_RGB_SRGB),
 167    fmt(VK_FORMAT_BC1_RGBA_UNORM_BLOCK,    ISL_FORMAT_BC1_UNORM),
 168    fmt(VK_FORMAT_BC1_RGBA_SRGB_BLOCK,     ISL_FORMAT_BC1_UNORM_SRGB),
 169    fmt(VK_FORMAT_BC2_UNORM_BLOCK,         ISL_FORMAT_BC2_UNORM),
 170    fmt(VK_FORMAT_BC2_SRGB_BLOCK,          ISL_FORMAT_BC2_UNORM_SRGB),
 171    fmt(VK_FORMAT_BC3_UNORM_BLOCK,         ISL_FORMAT_BC3_UNORM),
 172    fmt(VK_FORMAT_BC3_SRGB_BLOCK,          ISL_FORMAT_BC3_UNORM_SRGB),
 173    fmt(VK_FORMAT_BC4_UNORM_BLOCK,         ISL_FORMAT_BC4_UNORM),
 174    fmt(VK_FORMAT_BC4_SNORM_BLOCK,         ISL_FORMAT_BC4_SNORM),
 175    fmt(VK_FORMAT_BC5_UNORM_BLOCK,         ISL_FORMAT_BC5_UNORM),
 176    fmt(VK_FORMAT_BC5_SNORM_BLOCK,         ISL_FORMAT_BC5_SNORM),
 177    fmt(VK_FORMAT_BC6H_UFLOAT_BLOCK,       ISL_FORMAT_BC6H_UF16),
 178    fmt(VK_FORMAT_BC6H_SFLOAT_BLOCK,       ISL_FORMAT_BC6H_SF16),
 179    fmt(VK_FORMAT_BC7_UNORM_BLOCK,         ISL_FORMAT_BC7_UNORM),
 180    fmt(VK_FORMAT_BC7_SRGB_BLOCK,          ISL_FORMAT_BC7_UNORM_SRGB),
 181    fmt(VK_FORMAT_ETC2_R8G8B8_UNORM_BLOCK, ISL_FORMAT_ETC2_RGB8),
 182    fmt(VK_FORMAT_ETC2_R8G8B8_SRGB_BLOCK,  ISL_FORMAT_ETC2_SRGB8),
 183    fmt(VK_FORMAT_ETC2_R8G8B8A1_UNORM_BLOCK, ISL_FORMAT_ETC2_RGB8_PTA),
 184    fmt(VK_FORMAT_ETC2_R8G8B8A1_SRGB_BLOCK, ISL_FORMAT_ETC2_SRGB8_PTA),
 185    fmt(VK_FORMAT_ETC2_R8G8B8A8_UNORM_BLOCK, ISL_FORMAT_ETC2_EAC_RGBA8),
 186    fmt(VK_FORMAT_ETC2_R8G8B8A8_SRGB_BLOCK, ISL_FORMAT_ETC2_EAC_SRGB8_A8),
 187    fmt(VK_FORMAT_EAC_R11_UNORM_BLOCK,     ISL_FORMAT_EAC_R11),
 188    fmt(VK_FORMAT_EAC_R11_SNORM_BLOCK,     ISL_FORMAT_EAC_SIGNED_R11),
 189    fmt(VK_FORMAT_EAC_R11G11_UNORM_BLOCK,  ISL_FORMAT_EAC_RG11),
 190    fmt(VK_FORMAT_EAC_R11G11_SNORM_BLOCK,  ISL_FORMAT_EAC_SIGNED_RG11),
 191    fmt(VK_FORMAT_ASTC_4x4_SRGB_BLOCK,     ISL_FORMAT_ASTC_LDR_2D_4X4_U8SRGB),
 192    fmt(VK_FORMAT_ASTC_5x4_SRGB_BLOCK,     ISL_FORMAT_ASTC_LDR_2D_5X4_U8SRGB),
 193    fmt(VK_FORMAT_ASTC_5x5_SRGB_BLOCK,     ISL_FORMAT_ASTC_LDR_2D_5X5_U8SRGB),
 194    fmt(VK_FORMAT_ASTC_6x5_SRGB_BLOCK,     ISL_FORMAT_ASTC_LDR_2D_6X5_U8SRGB),
 195    fmt(VK_FORMAT_ASTC_6x6_SRGB_BLOCK,     ISL_FORMAT_ASTC_LDR_2D_6X6_U8SRGB),
 196    fmt(VK_FORMAT_ASTC_8x5_SRGB_BLOCK,     ISL_FORMAT_ASTC_LDR_2D_8X5_U8SRGB),
 197    fmt(VK_FORMAT_ASTC_8x6_SRGB_BLOCK,     ISL_FORMAT_ASTC_LDR_2D_8X6_U8SRGB),
 198    fmt(VK_FORMAT_ASTC_8x8_SRGB_BLOCK,     ISL_FORMAT_ASTC_LDR_2D_8X8_U8SRGB),
 199    fmt(VK_FORMAT_ASTC_10x5_SRGB_BLOCK,    ISL_FORMAT_ASTC_LDR_2D_10X5_U8SRGB),
 200    fmt(VK_FORMAT_ASTC_10x6_SRGB_BLOCK,    ISL_FORMAT_ASTC_LDR_2D_10X6_U8SRGB),
 201    fmt(VK_FORMAT_ASTC_10x8_SRGB_BLOCK,    ISL_FORMAT_ASTC_LDR_2D_10X8_U8SRGB),
 202    fmt(VK_FORMAT_ASTC_10x10_SRGB_BLOCK,   ISL_FORMAT_ASTC_LDR_2D_10X10_U8SRGB),
 203    fmt(VK_FORMAT_ASTC_12x10_SRGB_BLOCK,   ISL_FORMAT_ASTC_LDR_2D_12X10_U8SRGB),
 204    fmt(VK_FORMAT_ASTC_12x12_SRGB_BLOCK,   ISL_FORMAT_ASTC_LDR_2D_12X12_U8SRGB),
 205    fmt(VK_FORMAT_ASTC_4x4_UNORM_BLOCK,    ISL_FORMAT_ASTC_LDR_2D_4X4_FLT16),
 206    fmt(VK_FORMAT_ASTC_5x4_UNORM_BLOCK,    ISL_FORMAT_ASTC_LDR_2D_5X4_FLT16),
 207    fmt(VK_FORMAT_ASTC_5x5_UNORM_BLOCK,    ISL_FORMAT_ASTC_LDR_2D_5X5_FLT16),
 208    fmt(VK_FORMAT_ASTC_6x5_UNORM_BLOCK,    ISL_FORMAT_ASTC_LDR_2D_6X5_FLT16),
 209    fmt(VK_FORMAT_ASTC_6x6_UNORM_BLOCK,    ISL_FORMAT_ASTC_LDR_2D_6X6_FLT16),
 210    fmt(VK_FORMAT_ASTC_8x5_UNORM_BLOCK,    ISL_FORMAT_ASTC_LDR_2D_8X5_FLT16),
 211    fmt(VK_FORMAT_ASTC_8x6_UNORM_BLOCK,    ISL_FORMAT_ASTC_LDR_2D_8X6_FLT16),
 212    fmt(VK_FORMAT_ASTC_8x8_UNORM_BLOCK,    ISL_FORMAT_ASTC_LDR_2D_8X8_FLT16),
 213    fmt(VK_FORMAT_ASTC_10x5_UNORM_BLOCK,   ISL_FORMAT_ASTC_LDR_2D_10X5_FLT16),
 214    fmt(VK_FORMAT_ASTC_10x6_UNORM_BLOCK,   ISL_FORMAT_ASTC_LDR_2D_10X6_FLT16),
 215    fmt(VK_FORMAT_ASTC_10x8_UNORM_BLOCK,   ISL_FORMAT_ASTC_LDR_2D_10X8_FLT16),
 216    fmt(VK_FORMAT_ASTC_10x10_UNORM_BLOCK,  ISL_FORMAT_ASTC_LDR_2D_10X10_FLT16),
 217    fmt(VK_FORMAT_ASTC_12x10_UNORM_BLOCK,  ISL_FORMAT_ASTC_LDR_2D_12X10_FLT16),
 218    fmt(VK_FORMAT_ASTC_12x12_UNORM_BLOCK,  ISL_FORMAT_ASTC_LDR_2D_12X12_FLT16),
 219    fmt(VK_FORMAT_B8G8R8_UNORM,            ISL_FORMAT_UNSUPPORTED),
 220    fmt(VK_FORMAT_B8G8R8_SNORM,            ISL_FORMAT_UNSUPPORTED),
 221    fmt(VK_FORMAT_B8G8R8_USCALED,          ISL_FORMAT_UNSUPPORTED),
 222    fmt(VK_FORMAT_B8G8R8_SSCALED,          ISL_FORMAT_UNSUPPORTED),
 223    fmt(VK_FORMAT_B8G8R8_UINT,             ISL_FORMAT_UNSUPPORTED),
 224    fmt(VK_FORMAT_B8G8R8_SINT,             ISL_FORMAT_UNSUPPORTED),
 225    fmt(VK_FORMAT_B8G8R8_SRGB,             ISL_FORMAT_UNSUPPORTED),
 226    fmt(VK_FORMAT_B8G8R8A8_UNORM,          ISL_FORMAT_B8G8R8A8_UNORM),
 227    fmt(VK_FORMAT_B8G8R8A8_SNORM,          ISL_FORMAT_UNSUPPORTED),
 228    fmt(VK_FORMAT_B8G8R8A8_USCALED,        ISL_FORMAT_UNSUPPORTED),
 229    fmt(VK_FORMAT_B8G8R8A8_SSCALED,        ISL_FORMAT_UNSUPPORTED),
 230    fmt(VK_FORMAT_B8G8R8A8_UINT,           ISL_FORMAT_UNSUPPORTED),
 231    fmt(VK_FORMAT_B8G8R8A8_SINT,           ISL_FORMAT_UNSUPPORTED),
 232    fmt(VK_FORMAT_B8G8R8A8_SRGB,           ISL_FORMAT_B8G8R8A8_UNORM_SRGB),
 233 };
 234
 235 #undef fmt
 236
 237 /**
 238  * Exactly one bit must be set in \a aspect.
 239  */
 240 struct anv_format
 241 anv_get_format(const struct gen_device_info *devinfo, VkFormat vk_format,
 242                VkImageAspectFlags aspect, VkImageTiling tiling)
 243 {
 244    struct anv_format format = anv_formats[vk_format];
 245
 246    if (format.isl_format == ISL_FORMAT_UNSUPPORTED)
 247       return format;
 248
 249    if (aspect == VK_IMAGE_ASPECT_STENCIL_BIT) {
 250       assert(vk_format_aspects(vk_format) & VK_IMAGE_ASPECT_STENCIL_BIT);
 251       format.isl_format = ISL_FORMAT_R8_UINT;
 252       return format;
 253    }
 254
 255    if (aspect & VK_IMAGE_ASPECT_DEPTH_BIT) {
 256       assert(vk_format_aspects(vk_format) & VK_IMAGE_ASPECT_DEPTH_BIT);
 257       return format;
 258    }
 259
 260    assert(aspect == VK_IMAGE_ASPECT_COLOR_BIT);
 261    assert(vk_format_aspects(vk_format) == VK_IMAGE_ASPECT_COLOR_BIT);
 262
 263    const struct isl_format_layout *isl_layout =
 264       isl_format_get_layout(format.isl_format);
 265
 266    if (tiling == VK_IMAGE_TILING_OPTIMAL &&
 267        !util_is_power_of_two(isl_layout->bpb)) {
 268       /* Tiled formats *must* be power-of-two because we need up upload
 269        * them with the render pipeline.  For 3-channel formats, we fix
 270        * this by switching them over to RGBX or RGBA formats under the
 271        * hood.
 272        */
 273       enum isl_format rgbx = isl_format_rgb_to_rgbx(format.isl_format);
 274       if (rgbx != ISL_FORMAT_UNSUPPORTED &&
 275           isl_format_supports_rendering(devinfo, rgbx)) {
 276          format.isl_format = rgbx;
 277       } else {
 278          format.isl_format = isl_format_rgb_to_rgba(format.isl_format);
 279          format.swizzle = RGB1;
 280       }
 281    }
 282
 283    /* The B4G4R4A4 format isn't available prior to Sky Lake so we have to fall
 284     * back to a format with a more complex swizzle.
 285     */
 286    if (vk_format == VK_FORMAT_B4G4R4A4_UNORM_PACK16 && devinfo->gen < 9) {
 287       return (struct anv_format) {
 288          .isl_format = ISL_FORMAT_B4G4R4A4_UNORM,
 289          .swizzle = ISL_SWIZZLE(GREEN, RED, ALPHA, BLUE),
 290       };
 291    }
 292
 293    return format;
 294 }
 295
 296 // Format capabilities
 297
 298 static VkFormatFeatureFlags
 299 get_image_format_properties(const struct gen_device_info *devinfo,
 300                             enum isl_format base, struct anv_format format)
 301 {
 302    if (format.isl_format == ISL_FORMAT_UNSUPPORTED)
 303       return 0;
 304
 305    VkFormatFeatureFlags flags = 0;
 306    if (isl_format_supports_sampling(devinfo, format.isl_format)) {
 307       flags |= VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT |
 308                VK_FORMAT_FEATURE_BLIT_SRC_BIT;
 309
 310       if (isl_format_supports_filtering(devinfo, format.isl_format))
 311          flags |= VK_FORMAT_FEATURE_SAMPLED_IMAGE_FILTER_LINEAR_BIT;
 312    }
 313
 314    /* We can render to swizzled formats.  However, if the alpha channel is
 315     * moved, then blending won't work correctly.  The PRM tells us
 316     * straight-up not to render to such a surface.
 317     */
 318    if (isl_format_supports_rendering(devinfo, format.isl_format) &&
 319        format.swizzle.a == ISL_CHANNEL_SELECT_ALPHA) {
 320       flags |= VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT |
 321                VK_FORMAT_FEATURE_BLIT_DST_BIT;
 322
 323       if (isl_format_supports_alpha_blending(devinfo, format.isl_format))
 324          flags |= VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BLEND_BIT;
 325    }
 326
 327    /* Load/store is determined based on base format.  This prevents RGB
 328     * formats from showing up as load/store capable.
 329     */
 330    if (isl_is_storage_image_format(base))
 331       flags |= VK_FORMAT_FEATURE_STORAGE_IMAGE_BIT;
 332
 333    if (base == ISL_FORMAT_R32_SINT || base == ISL_FORMAT_R32_UINT)
 334       flags |= VK_FORMAT_FEATURE_STORAGE_IMAGE_ATOMIC_BIT;
 335
 336    return flags;
 337 }
 338
 339 static VkFormatFeatureFlags
 340 get_buffer_format_properties(const struct gen_device_info *devinfo,
 341                              enum isl_format format)
 342 {
 343    if (format == ISL_FORMAT_UNSUPPORTED)
 344       return 0;
 345
 346    VkFormatFeatureFlags flags = 0;
 347    if (isl_format_supports_sampling(devinfo, format) &&
 348        !isl_format_is_compressed(format))
 349       flags |= VK_FORMAT_FEATURE_UNIFORM_TEXEL_BUFFER_BIT;
 350
 351    if (isl_format_supports_vertex_fetch(devinfo, format))
 352       flags |= VK_FORMAT_FEATURE_VERTEX_BUFFER_BIT;
 353
 354    if (isl_is_storage_image_format(format))
 355       flags |= VK_FORMAT_FEATURE_STORAGE_TEXEL_BUFFER_BIT;
 356
 357    if (format == ISL_FORMAT_R32_SINT || format == ISL_FORMAT_R32_UINT)
 358       flags |= VK_FORMAT_FEATURE_STORAGE_TEXEL_BUFFER_ATOMIC_BIT;
 359
 360    return flags;
 361 }
 362
 363 static void
 364 anv_physical_device_get_format_properties(struct anv_physical_device *physical_device,
 365                                           VkFormat format,
 366                                           VkFormatProperties *out_properties)
 367 {
 368    int gen = physical_device->info->gen * 10;
 369    if (physical_device->info->is_haswell)
 370       gen += 5;
 371
 372    VkFormatFeatureFlags linear = 0, tiled = 0, buffer = 0;
 373    if (anv_formats[format].isl_format == ISL_FORMAT_UNSUPPORTED) {
 374       /* Nothing to do here */
 375    } else if (vk_format_is_depth_or_stencil(format)) {
 376       tiled |= VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT;
 377       if (physical_device->info->gen >= 8)
 378          tiled |= VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT;
 379
 380       tiled |= VK_FORMAT_FEATURE_BLIT_SRC_BIT |
 381                VK_FORMAT_FEATURE_BLIT_DST_BIT;
 382    } else {
 383       struct anv_format linear_fmt, tiled_fmt;
 384       linear_fmt = anv_get_format(physical_device->info, format,
 385                                   VK_IMAGE_ASPECT_COLOR_BIT,
 386                                   VK_IMAGE_TILING_LINEAR);
 387       tiled_fmt = anv_get_format(physical_device->info, format,
 388                                  VK_IMAGE_ASPECT_COLOR_BIT,
 389                                  VK_IMAGE_TILING_OPTIMAL);
 390
 391       linear = get_image_format_properties(physical_device->info,
 392                                            linear_fmt.isl_format, linear_fmt);
 393       tiled = get_image_format_properties(physical_device->info,
 394                                           linear_fmt.isl_format, tiled_fmt);
 395       buffer = get_buffer_format_properties(physical_device->info,
 396                                             linear_fmt.isl_format);
 397
 398       /* XXX: We handle 3-channel formats by switching them out for RGBX or
 399        * RGBA formats behind-the-scenes.  This works fine for textures
 400        * because the upload process will fill in the extra channel.
 401        * We could also support it for render targets, but it will take
 402        * substantially more work and we have enough RGBX formats to handle
 403        * what most clients will want.
 404        */
 405       if (linear_fmt.isl_format != ISL_FORMAT_UNSUPPORTED &&
 406           !util_is_power_of_two(isl_format_layouts[linear_fmt.isl_format].bpb) &&
 407           isl_format_rgb_to_rgbx(linear_fmt.isl_format) == ISL_FORMAT_UNSUPPORTED) {
 408          tiled &= ~VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT &
 409                   ~VK_FORMAT_FEATURE_BLIT_DST_BIT;
 410       }
 411    }
 412
 413    out_properties->linearTilingFeatures = linear;
 414    out_properties->optimalTilingFeatures = tiled;
 415    out_properties->bufferFeatures = buffer;
 416
 417    return;
 418 }
 419
 420
 421 void anv_GetPhysicalDeviceFormatProperties(
 422     VkPhysicalDevice                            physicalDevice,
 423     VkFormat                                    format,
 424     VkFormatProperties*                         pFormatProperties)
 425 {
 426    ANV_FROM_HANDLE(anv_physical_device, physical_device, physicalDevice);
 427
 428    anv_physical_device_get_format_properties(
 429                physical_device,
 430                format,
 431                pFormatProperties);
 432 }
 433
 434 VkResult anv_GetPhysicalDeviceImageFormatProperties(
 435     VkPhysicalDevice                            physicalDevice,
 436     VkFormat                                    format,
 437     VkImageType                                 type,
 438     VkImageTiling                               tiling,
 439     VkImageUsageFlags                           usage,
 440     VkImageCreateFlags                          createFlags,
 441     VkImageFormatProperties*                    pImageFormatProperties)
 442 {
 443    ANV_FROM_HANDLE(anv_physical_device, physical_device, physicalDevice);
 444    VkFormatProperties format_props;
 445    VkFormatFeatureFlags format_feature_flags;
 446    VkExtent3D maxExtent;
 447    uint32_t maxMipLevels;
 448    uint32_t maxArraySize;
 449    VkSampleCountFlags sampleCounts = VK_SAMPLE_COUNT_1_BIT;
 450
 451    anv_physical_device_get_format_properties(physical_device, format,
 452                                              &format_props);
 453
 454    /* Extract the VkFormatFeatureFlags that are relevant for the queried
 455     * tiling.
 456     */
 457    if (tiling == VK_IMAGE_TILING_LINEAR) {
 458       format_feature_flags = format_props.linearTilingFeatures;
 459    } else if (tiling == VK_IMAGE_TILING_OPTIMAL) {
 460       format_feature_flags = format_props.optimalTilingFeatures;
 461    } else {
 462       unreachable("bad VkImageTiling");
 463    }
 464
 465    switch (type) {
 466    default:
 467       unreachable("bad VkImageType");
 468    case VK_IMAGE_TYPE_1D:
 469       maxExtent.width = 16384;
 470       maxExtent.height = 1;
 471       maxExtent.depth = 1;
 472       maxMipLevels = 15; /* log2(maxWidth) + 1 */
 473       maxArraySize = 2048;
 474       sampleCounts = VK_SAMPLE_COUNT_1_BIT;
 475       break;
 476    case VK_IMAGE_TYPE_2D:
 477       /* FINISHME: Does this really differ for cube maps? The documentation
 478        * for RENDER_SURFACE_STATE suggests so.
 479        */
 480       maxExtent.width = 16384;
 481       maxExtent.height = 16384;
 482       maxExtent.depth = 1;
 483       maxMipLevels = 15; /* log2(maxWidth) + 1 */
 484       maxArraySize = 2048;
 485       break;
 486    case VK_IMAGE_TYPE_3D:
 487       maxExtent.width = 2048;
 488       maxExtent.height = 2048;
 489       maxExtent.depth = 2048;
 490       maxMipLevels = 12; /* log2(maxWidth) + 1 */
 491       maxArraySize = 1;
 492       break;
 493    }
 494
 495    if (tiling == VK_IMAGE_TILING_OPTIMAL &&
 496        type == VK_IMAGE_TYPE_2D &&
 497        (format_feature_flags & (VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT |
 498                                 VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT)) &&
 499        !(createFlags & VK_IMAGE_CREATE_CUBE_COMPATIBLE_BIT) &&
 500        !(usage & VK_IMAGE_USAGE_STORAGE_BIT)) {
 501       sampleCounts = isl_device_get_sample_counts(&physical_device->isl_dev);
 502    }
 503
 504    if (usage & (VK_IMAGE_USAGE_TRANSFER_SRC_BIT |
 505                 VK_IMAGE_USAGE_TRANSFER_DST_BIT)) {
 506       /* Accept transfers on anything we can sample from or renderer to. */
 507       if (!(format_feature_flags & (VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT |
 508                                     VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT |
 509                                     VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT))) {
 510          goto unsupported;
 511       }
 512    }
 513
 514    if (usage & VK_IMAGE_USAGE_SAMPLED_BIT) {
 515       if (!(format_feature_flags & VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT)) {
 516          goto unsupported;
 517       }
 518    }
 519
 520    if (usage & VK_IMAGE_USAGE_STORAGE_BIT) {
 521       if (!(format_feature_flags & VK_FORMAT_FEATURE_STORAGE_IMAGE_BIT)) {
 522          goto unsupported;
 523       }
 524    }
 525
 526    if (usage & VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT) {
 527       if (!(format_feature_flags & VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT)) {
 528          goto unsupported;
 529       }
 530    }
 531
 532    if (usage & VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT) {
 533       if (!(format_feature_flags & VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT)) {
 534          goto unsupported;
 535       }
 536    }
 537
 538    if (usage & VK_IMAGE_USAGE_TRANSIENT_ATTACHMENT_BIT) {
 539       /* Nothing to check. */
 540    }
 541
 542    if (usage & VK_IMAGE_USAGE_INPUT_ATTACHMENT_BIT) {
 543       /* Ignore this flag because it was removed from the
 544        * provisional_I_20150910 header.
 545        */
 546    }
 547
 548    *pImageFormatProperties = (VkImageFormatProperties) {
 549       .maxExtent = maxExtent,
 550       .maxMipLevels = maxMipLevels,
 551       .maxArrayLayers = maxArraySize,
 552       .sampleCounts = sampleCounts,
 553
 554       /* FINISHME: Accurately calculate
 555        * VkImageFormatProperties::maxResourceSize.
 556        */
 557       .maxResourceSize = UINT32_MAX,
 558    };
 559
 560    return VK_SUCCESS;
 561
 562 unsupported:
 563    *pImageFormatProperties = (VkImageFormatProperties) {
 564       .maxExtent = { 0, 0, 0 },
 565       .maxMipLevels = 0,
 566       .maxArrayLayers = 0,
 567       .sampleCounts = 0,
 568       .maxResourceSize = 0,
 569    };
 570
 571    return VK_ERROR_FORMAT_NOT_SUPPORTED;
 572 }
 573
 574 void anv_GetPhysicalDeviceSparseImageFormatProperties(
 575     VkPhysicalDevice                            physicalDevice,
 576     VkFormat                                    format,
 577     VkImageType                                 type,
 578     uint32_t                                    samples,
 579     VkImageUsageFlags                           usage,
 580     VkImageTiling                               tiling,
 581     uint32_t*                                   pNumProperties,
 582     VkSparseImageFormatProperties*              pProperties)
 583 {
 584    /* Sparse images are not yet supported. */
 585    *pNumProperties = 0;
 586 }