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 #include "vk_util.h"
  27
  28 /*
  29  * gcc-4 and earlier don't allow compound literals where a constant
  30  * is required in -std=c99/gnu99 mode, so we can't use ISL_SWIZZLE()
  31  * here. -std=c89/gnu89 would allow it, but we depend on c99 features
  32  * so using -std=c89/gnu89 is not an option. Starting from gcc-5
  33  * compound literals can also be considered constant in -std=c99/gnu99
  34  * mode.
  35  */
  36 #define _ISL_SWIZZLE(r, g, b, a) { \
  37       ISL_CHANNEL_SELECT_##r, \
  38       ISL_CHANNEL_SELECT_##g, \
  39       ISL_CHANNEL_SELECT_##b, \
  40       ISL_CHANNEL_SELECT_##a, \
  41 }
  42
  43 #define RGBA _ISL_SWIZZLE(RED, GREEN, BLUE, ALPHA)
  44 #define BGRA _ISL_SWIZZLE(BLUE, GREEN, RED, ALPHA)
  45 #define RGB1 _ISL_SWIZZLE(RED, GREEN, BLUE, ONE)
  46
  47 #define swiz_fmt(__vk_fmt, __hw_fmt, __swizzle)     \
  48    [__vk_fmt] = { \
  49       .isl_format = __hw_fmt, \
  50       .swizzle = __swizzle, \
  51    }
  52
  53 #define fmt(__vk_fmt, __hw_fmt) \
  54    swiz_fmt(__vk_fmt, __hw_fmt, RGBA)
  55
  56 /* HINT: For array formats, the ISL name should match the VK name.  For
  57  * packed formats, they should have the channels in reverse order from each
  58  * other.  The reason for this is that, for packed formats, the ISL (and
  59  * bspec) names are in LSB -> MSB order while VK formats are MSB -> LSB.
  60  */
  61 static const struct anv_format anv_formats[] = {
  62    fmt(VK_FORMAT_UNDEFINED,               ISL_FORMAT_UNSUPPORTED),
  63    fmt(VK_FORMAT_R4G4_UNORM_PACK8,        ISL_FORMAT_UNSUPPORTED),
  64    fmt(VK_FORMAT_R4G4B4A4_UNORM_PACK16,   ISL_FORMAT_A4B4G4R4_UNORM),
  65    swiz_fmt(VK_FORMAT_B4G4R4A4_UNORM_PACK16,   ISL_FORMAT_A4B4G4R4_UNORM,  BGRA),
  66    fmt(VK_FORMAT_R5G6B5_UNORM_PACK16,     ISL_FORMAT_B5G6R5_UNORM),
  67    swiz_fmt(VK_FORMAT_B5G6R5_UNORM_PACK16,     ISL_FORMAT_B5G6R5_UNORM, BGRA),
  68    fmt(VK_FORMAT_R5G5B5A1_UNORM_PACK16,   ISL_FORMAT_A1B5G5R5_UNORM),
  69    fmt(VK_FORMAT_B5G5R5A1_UNORM_PACK16,   ISL_FORMAT_UNSUPPORTED),
  70    fmt(VK_FORMAT_A1R5G5B5_UNORM_PACK16,   ISL_FORMAT_B5G5R5A1_UNORM),
  71    fmt(VK_FORMAT_R8_UNORM,                ISL_FORMAT_R8_UNORM),
  72    fmt(VK_FORMAT_R8_SNORM,                ISL_FORMAT_R8_SNORM),
  73    fmt(VK_FORMAT_R8_USCALED,              ISL_FORMAT_R8_USCALED),
  74    fmt(VK_FORMAT_R8_SSCALED,              ISL_FORMAT_R8_SSCALED),
  75    fmt(VK_FORMAT_R8_UINT,                 ISL_FORMAT_R8_UINT),
  76    fmt(VK_FORMAT_R8_SINT,                 ISL_FORMAT_R8_SINT),
  77    fmt(VK_FORMAT_R8_SRGB,                 ISL_FORMAT_UNSUPPORTED),
  78    fmt(VK_FORMAT_R8G8_UNORM,              ISL_FORMAT_R8G8_UNORM),
  79    fmt(VK_FORMAT_R8G8_SNORM,              ISL_FORMAT_R8G8_SNORM),
  80    fmt(VK_FORMAT_R8G8_USCALED,            ISL_FORMAT_R8G8_USCALED),
  81    fmt(VK_FORMAT_R8G8_SSCALED,            ISL_FORMAT_R8G8_SSCALED),
  82    fmt(VK_FORMAT_R8G8_UINT,               ISL_FORMAT_R8G8_UINT),
  83    fmt(VK_FORMAT_R8G8_SINT,               ISL_FORMAT_R8G8_SINT),
  84    fmt(VK_FORMAT_R8G8_SRGB,               ISL_FORMAT_UNSUPPORTED), /* L8A8_UNORM_SRGB */
  85    fmt(VK_FORMAT_R8G8B8_UNORM,            ISL_FORMAT_R8G8B8_UNORM),
  86    fmt(VK_FORMAT_R8G8B8_SNORM,            ISL_FORMAT_R8G8B8_SNORM),
  87    fmt(VK_FORMAT_R8G8B8_USCALED,          ISL_FORMAT_R8G8B8_USCALED),
  88    fmt(VK_FORMAT_R8G8B8_SSCALED,          ISL_FORMAT_R8G8B8_SSCALED),
  89    fmt(VK_FORMAT_R8G8B8_UINT,             ISL_FORMAT_R8G8B8_UINT),
  90    fmt(VK_FORMAT_R8G8B8_SINT,             ISL_FORMAT_R8G8B8_SINT),
  91    fmt(VK_FORMAT_R8G8B8_SRGB,             ISL_FORMAT_R8G8B8_UNORM_SRGB),
  92    fmt(VK_FORMAT_R8G8B8A8_UNORM,          ISL_FORMAT_R8G8B8A8_UNORM),
  93    fmt(VK_FORMAT_R8G8B8A8_SNORM,          ISL_FORMAT_R8G8B8A8_SNORM),
  94    fmt(VK_FORMAT_R8G8B8A8_USCALED,        ISL_FORMAT_R8G8B8A8_USCALED),
  95    fmt(VK_FORMAT_R8G8B8A8_SSCALED,        ISL_FORMAT_R8G8B8A8_SSCALED),
  96    fmt(VK_FORMAT_R8G8B8A8_UINT,           ISL_FORMAT_R8G8B8A8_UINT),
  97    fmt(VK_FORMAT_R8G8B8A8_SINT,           ISL_FORMAT_R8G8B8A8_SINT),
  98    fmt(VK_FORMAT_R8G8B8A8_SRGB,           ISL_FORMAT_R8G8B8A8_UNORM_SRGB),
  99    fmt(VK_FORMAT_A8B8G8R8_UNORM_PACK32,   ISL_FORMAT_R8G8B8A8_UNORM),
 100    fmt(VK_FORMAT_A8B8G8R8_SNORM_PACK32,   ISL_FORMAT_R8G8B8A8_SNORM),
 101    fmt(VK_FORMAT_A8B8G8R8_USCALED_PACK32, ISL_FORMAT_R8G8B8A8_USCALED),
 102    fmt(VK_FORMAT_A8B8G8R8_SSCALED_PACK32, ISL_FORMAT_R8G8B8A8_SSCALED),
 103    fmt(VK_FORMAT_A8B8G8R8_UINT_PACK32,    ISL_FORMAT_R8G8B8A8_UINT),
 104    fmt(VK_FORMAT_A8B8G8R8_SINT_PACK32,    ISL_FORMAT_R8G8B8A8_SINT),
 105    fmt(VK_FORMAT_A8B8G8R8_SRGB_PACK32,    ISL_FORMAT_R8G8B8A8_UNORM_SRGB),
 106    fmt(VK_FORMAT_A2R10G10B10_UNORM_PACK32, ISL_FORMAT_B10G10R10A2_UNORM),
 107    fmt(VK_FORMAT_A2R10G10B10_SNORM_PACK32, ISL_FORMAT_B10G10R10A2_SNORM),
 108    fmt(VK_FORMAT_A2R10G10B10_USCALED_PACK32, ISL_FORMAT_B10G10R10A2_USCALED),
 109    fmt(VK_FORMAT_A2R10G10B10_SSCALED_PACK32, ISL_FORMAT_B10G10R10A2_SSCALED),
 110    fmt(VK_FORMAT_A2R10G10B10_UINT_PACK32, ISL_FORMAT_B10G10R10A2_UINT),
 111    fmt(VK_FORMAT_A2R10G10B10_SINT_PACK32, ISL_FORMAT_B10G10R10A2_SINT),
 112    fmt(VK_FORMAT_A2B10G10R10_UNORM_PACK32, ISL_FORMAT_R10G10B10A2_UNORM),
 113    fmt(VK_FORMAT_A2B10G10R10_SNORM_PACK32, ISL_FORMAT_R10G10B10A2_SNORM),
 114    fmt(VK_FORMAT_A2B10G10R10_USCALED_PACK32, ISL_FORMAT_R10G10B10A2_USCALED),
 115    fmt(VK_FORMAT_A2B10G10R10_SSCALED_PACK32, ISL_FORMAT_R10G10B10A2_SSCALED),
 116    fmt(VK_FORMAT_A2B10G10R10_UINT_PACK32, ISL_FORMAT_R10G10B10A2_UINT),
 117    fmt(VK_FORMAT_A2B10G10R10_SINT_PACK32, ISL_FORMAT_R10G10B10A2_SINT),
 118    fmt(VK_FORMAT_R16_UNORM,               ISL_FORMAT_R16_UNORM),
 119    fmt(VK_FORMAT_R16_SNORM,               ISL_FORMAT_R16_SNORM),
 120    fmt(VK_FORMAT_R16_USCALED,             ISL_FORMAT_R16_USCALED),
 121    fmt(VK_FORMAT_R16_SSCALED,             ISL_FORMAT_R16_SSCALED),
 122    fmt(VK_FORMAT_R16_UINT,                ISL_FORMAT_R16_UINT),
 123    fmt(VK_FORMAT_R16_SINT,                ISL_FORMAT_R16_SINT),
 124    fmt(VK_FORMAT_R16_SFLOAT,              ISL_FORMAT_R16_FLOAT),
 125    fmt(VK_FORMAT_R16G16_UNORM,            ISL_FORMAT_R16G16_UNORM),
 126    fmt(VK_FORMAT_R16G16_SNORM,            ISL_FORMAT_R16G16_SNORM),
 127    fmt(VK_FORMAT_R16G16_USCALED,          ISL_FORMAT_R16G16_USCALED),
 128    fmt(VK_FORMAT_R16G16_SSCALED,          ISL_FORMAT_R16G16_SSCALED),
 129    fmt(VK_FORMAT_R16G16_UINT,             ISL_FORMAT_R16G16_UINT),
 130    fmt(VK_FORMAT_R16G16_SINT,             ISL_FORMAT_R16G16_SINT),
 131    fmt(VK_FORMAT_R16G16_SFLOAT,           ISL_FORMAT_R16G16_FLOAT),
 132    fmt(VK_FORMAT_R16G16B16_UNORM,         ISL_FORMAT_R16G16B16_UNORM),
 133    fmt(VK_FORMAT_R16G16B16_SNORM,         ISL_FORMAT_R16G16B16_SNORM),
 134    fmt(VK_FORMAT_R16G16B16_USCALED,       ISL_FORMAT_R16G16B16_USCALED),
 135    fmt(VK_FORMAT_R16G16B16_SSCALED,       ISL_FORMAT_R16G16B16_SSCALED),
 136    fmt(VK_FORMAT_R16G16B16_UINT,          ISL_FORMAT_R16G16B16_UINT),
 137    fmt(VK_FORMAT_R16G16B16_SINT,          ISL_FORMAT_R16G16B16_SINT),
 138    fmt(VK_FORMAT_R16G16B16_SFLOAT,        ISL_FORMAT_R16G16B16_FLOAT),
 139    fmt(VK_FORMAT_R16G16B16A16_UNORM,      ISL_FORMAT_R16G16B16A16_UNORM),
 140    fmt(VK_FORMAT_R16G16B16A16_SNORM,      ISL_FORMAT_R16G16B16A16_SNORM),
 141    fmt(VK_FORMAT_R16G16B16A16_USCALED,    ISL_FORMAT_R16G16B16A16_USCALED),
 142    fmt(VK_FORMAT_R16G16B16A16_SSCALED,    ISL_FORMAT_R16G16B16A16_SSCALED),
 143    fmt(VK_FORMAT_R16G16B16A16_UINT,       ISL_FORMAT_R16G16B16A16_UINT),
 144    fmt(VK_FORMAT_R16G16B16A16_SINT,       ISL_FORMAT_R16G16B16A16_SINT),
 145    fmt(VK_FORMAT_R16G16B16A16_SFLOAT,     ISL_FORMAT_R16G16B16A16_FLOAT),
 146    fmt(VK_FORMAT_R32_UINT,                ISL_FORMAT_R32_UINT),
 147    fmt(VK_FORMAT_R32_SINT,                ISL_FORMAT_R32_SINT),
 148    fmt(VK_FORMAT_R32_SFLOAT,              ISL_FORMAT_R32_FLOAT),
 149    fmt(VK_FORMAT_R32G32_UINT,             ISL_FORMAT_R32G32_UINT),
 150    fmt(VK_FORMAT_R32G32_SINT,             ISL_FORMAT_R32G32_SINT),
 151    fmt(VK_FORMAT_R32G32_SFLOAT,           ISL_FORMAT_R32G32_FLOAT),
 152    fmt(VK_FORMAT_R32G32B32_UINT,          ISL_FORMAT_R32G32B32_UINT),
 153    fmt(VK_FORMAT_R32G32B32_SINT,          ISL_FORMAT_R32G32B32_SINT),
 154    fmt(VK_FORMAT_R32G32B32_SFLOAT,        ISL_FORMAT_R32G32B32_FLOAT),
 155    fmt(VK_FORMAT_R32G32B32A32_UINT,       ISL_FORMAT_R32G32B32A32_UINT),
 156    fmt(VK_FORMAT_R32G32B32A32_SINT,       ISL_FORMAT_R32G32B32A32_SINT),
 157    fmt(VK_FORMAT_R32G32B32A32_SFLOAT,     ISL_FORMAT_R32G32B32A32_FLOAT),
 158    fmt(VK_FORMAT_R64_UINT,                ISL_FORMAT_R64_PASSTHRU),
 159    fmt(VK_FORMAT_R64_SINT,                ISL_FORMAT_R64_PASSTHRU),
 160    fmt(VK_FORMAT_R64_SFLOAT,              ISL_FORMAT_R64_PASSTHRU),
 161    fmt(VK_FORMAT_R64G64_UINT,             ISL_FORMAT_R64G64_PASSTHRU),
 162    fmt(VK_FORMAT_R64G64_SINT,             ISL_FORMAT_R64G64_PASSTHRU),
 163    fmt(VK_FORMAT_R64G64_SFLOAT,           ISL_FORMAT_R64G64_PASSTHRU),
 164    fmt(VK_FORMAT_R64G64B64_UINT,          ISL_FORMAT_R64G64B64_PASSTHRU),
 165    fmt(VK_FORMAT_R64G64B64_SINT,          ISL_FORMAT_R64G64B64_PASSTHRU),
 166    fmt(VK_FORMAT_R64G64B64_SFLOAT,        ISL_FORMAT_R64G64B64_PASSTHRU),
 167    fmt(VK_FORMAT_R64G64B64A64_UINT,       ISL_FORMAT_R64G64B64A64_PASSTHRU),
 168    fmt(VK_FORMAT_R64G64B64A64_SINT,       ISL_FORMAT_R64G64B64A64_PASSTHRU),
 169    fmt(VK_FORMAT_R64G64B64A64_SFLOAT,     ISL_FORMAT_R64G64B64A64_PASSTHRU),
 170    fmt(VK_FORMAT_B10G11R11_UFLOAT_PACK32, ISL_FORMAT_R11G11B10_FLOAT),
 171    fmt(VK_FORMAT_E5B9G9R9_UFLOAT_PACK32,  ISL_FORMAT_R9G9B9E5_SHAREDEXP),
 172
 173    fmt(VK_FORMAT_D16_UNORM,               ISL_FORMAT_R16_UNORM),
 174    fmt(VK_FORMAT_X8_D24_UNORM_PACK32,     ISL_FORMAT_R24_UNORM_X8_TYPELESS),
 175    fmt(VK_FORMAT_D32_SFLOAT,              ISL_FORMAT_R32_FLOAT),
 176    fmt(VK_FORMAT_S8_UINT,                 ISL_FORMAT_R8_UINT),
 177    fmt(VK_FORMAT_D16_UNORM_S8_UINT,       ISL_FORMAT_UNSUPPORTED),
 178    fmt(VK_FORMAT_D24_UNORM_S8_UINT,       ISL_FORMAT_R24_UNORM_X8_TYPELESS),
 179    fmt(VK_FORMAT_D32_SFLOAT_S8_UINT,      ISL_FORMAT_R32_FLOAT),
 180
 181    swiz_fmt(VK_FORMAT_BC1_RGB_UNORM_BLOCK,     ISL_FORMAT_BC1_UNORM, RGB1),
 182    swiz_fmt(VK_FORMAT_BC1_RGB_SRGB_BLOCK,      ISL_FORMAT_BC1_UNORM_SRGB, RGB1),
 183    fmt(VK_FORMAT_BC1_RGBA_UNORM_BLOCK,    ISL_FORMAT_BC1_UNORM),
 184    fmt(VK_FORMAT_BC1_RGBA_SRGB_BLOCK,     ISL_FORMAT_BC1_UNORM_SRGB),
 185    fmt(VK_FORMAT_BC2_UNORM_BLOCK,         ISL_FORMAT_BC2_UNORM),
 186    fmt(VK_FORMAT_BC2_SRGB_BLOCK,          ISL_FORMAT_BC2_UNORM_SRGB),
 187    fmt(VK_FORMAT_BC3_UNORM_BLOCK,         ISL_FORMAT_BC3_UNORM),
 188    fmt(VK_FORMAT_BC3_SRGB_BLOCK,          ISL_FORMAT_BC3_UNORM_SRGB),
 189    fmt(VK_FORMAT_BC4_UNORM_BLOCK,         ISL_FORMAT_BC4_UNORM),
 190    fmt(VK_FORMAT_BC4_SNORM_BLOCK,         ISL_FORMAT_BC4_SNORM),
 191    fmt(VK_FORMAT_BC5_UNORM_BLOCK,         ISL_FORMAT_BC5_UNORM),
 192    fmt(VK_FORMAT_BC5_SNORM_BLOCK,         ISL_FORMAT_BC5_SNORM),
 193    fmt(VK_FORMAT_BC6H_UFLOAT_BLOCK,       ISL_FORMAT_BC6H_UF16),
 194    fmt(VK_FORMAT_BC6H_SFLOAT_BLOCK,       ISL_FORMAT_BC6H_SF16),
 195    fmt(VK_FORMAT_BC7_UNORM_BLOCK,         ISL_FORMAT_BC7_UNORM),
 196    fmt(VK_FORMAT_BC7_SRGB_BLOCK,          ISL_FORMAT_BC7_UNORM_SRGB),
 197    fmt(VK_FORMAT_ETC2_R8G8B8_UNORM_BLOCK, ISL_FORMAT_ETC2_RGB8),
 198    fmt(VK_FORMAT_ETC2_R8G8B8_SRGB_BLOCK,  ISL_FORMAT_ETC2_SRGB8),
 199    fmt(VK_FORMAT_ETC2_R8G8B8A1_UNORM_BLOCK, ISL_FORMAT_ETC2_RGB8_PTA),
 200    fmt(VK_FORMAT_ETC2_R8G8B8A1_SRGB_BLOCK, ISL_FORMAT_ETC2_SRGB8_PTA),
 201    fmt(VK_FORMAT_ETC2_R8G8B8A8_UNORM_BLOCK, ISL_FORMAT_ETC2_EAC_RGBA8),
 202    fmt(VK_FORMAT_ETC2_R8G8B8A8_SRGB_BLOCK, ISL_FORMAT_ETC2_EAC_SRGB8_A8),
 203    fmt(VK_FORMAT_EAC_R11_UNORM_BLOCK,     ISL_FORMAT_EAC_R11),
 204    fmt(VK_FORMAT_EAC_R11_SNORM_BLOCK,     ISL_FORMAT_EAC_SIGNED_R11),
 205    fmt(VK_FORMAT_EAC_R11G11_UNORM_BLOCK,  ISL_FORMAT_EAC_RG11),
 206    fmt(VK_FORMAT_EAC_R11G11_SNORM_BLOCK,  ISL_FORMAT_EAC_SIGNED_RG11),
 207    fmt(VK_FORMAT_ASTC_4x4_SRGB_BLOCK,     ISL_FORMAT_ASTC_LDR_2D_4X4_U8SRGB),
 208    fmt(VK_FORMAT_ASTC_5x4_SRGB_BLOCK,     ISL_FORMAT_ASTC_LDR_2D_5X4_U8SRGB),
 209    fmt(VK_FORMAT_ASTC_5x5_SRGB_BLOCK,     ISL_FORMAT_ASTC_LDR_2D_5X5_U8SRGB),
 210    fmt(VK_FORMAT_ASTC_6x5_SRGB_BLOCK,     ISL_FORMAT_ASTC_LDR_2D_6X5_U8SRGB),
 211    fmt(VK_FORMAT_ASTC_6x6_SRGB_BLOCK,     ISL_FORMAT_ASTC_LDR_2D_6X6_U8SRGB),
 212    fmt(VK_FORMAT_ASTC_8x5_SRGB_BLOCK,     ISL_FORMAT_ASTC_LDR_2D_8X5_U8SRGB),
 213    fmt(VK_FORMAT_ASTC_8x6_SRGB_BLOCK,     ISL_FORMAT_ASTC_LDR_2D_8X6_U8SRGB),
 214    fmt(VK_FORMAT_ASTC_8x8_SRGB_BLOCK,     ISL_FORMAT_ASTC_LDR_2D_8X8_U8SRGB),
 215    fmt(VK_FORMAT_ASTC_10x5_SRGB_BLOCK,    ISL_FORMAT_ASTC_LDR_2D_10X5_U8SRGB),
 216    fmt(VK_FORMAT_ASTC_10x6_SRGB_BLOCK,    ISL_FORMAT_ASTC_LDR_2D_10X6_U8SRGB),
 217    fmt(VK_FORMAT_ASTC_10x8_SRGB_BLOCK,    ISL_FORMAT_ASTC_LDR_2D_10X8_U8SRGB),
 218    fmt(VK_FORMAT_ASTC_10x10_SRGB_BLOCK,   ISL_FORMAT_ASTC_LDR_2D_10X10_U8SRGB),
 219    fmt(VK_FORMAT_ASTC_12x10_SRGB_BLOCK,   ISL_FORMAT_ASTC_LDR_2D_12X10_U8SRGB),
 220    fmt(VK_FORMAT_ASTC_12x12_SRGB_BLOCK,   ISL_FORMAT_ASTC_LDR_2D_12X12_U8SRGB),
 221    fmt(VK_FORMAT_ASTC_4x4_UNORM_BLOCK,    ISL_FORMAT_ASTC_LDR_2D_4X4_FLT16),
 222    fmt(VK_FORMAT_ASTC_5x4_UNORM_BLOCK,    ISL_FORMAT_ASTC_LDR_2D_5X4_FLT16),
 223    fmt(VK_FORMAT_ASTC_5x5_UNORM_BLOCK,    ISL_FORMAT_ASTC_LDR_2D_5X5_FLT16),
 224    fmt(VK_FORMAT_ASTC_6x5_UNORM_BLOCK,    ISL_FORMAT_ASTC_LDR_2D_6X5_FLT16),
 225    fmt(VK_FORMAT_ASTC_6x6_UNORM_BLOCK,    ISL_FORMAT_ASTC_LDR_2D_6X6_FLT16),
 226    fmt(VK_FORMAT_ASTC_8x5_UNORM_BLOCK,    ISL_FORMAT_ASTC_LDR_2D_8X5_FLT16),
 227    fmt(VK_FORMAT_ASTC_8x6_UNORM_BLOCK,    ISL_FORMAT_ASTC_LDR_2D_8X6_FLT16),
 228    fmt(VK_FORMAT_ASTC_8x8_UNORM_BLOCK,    ISL_FORMAT_ASTC_LDR_2D_8X8_FLT16),
 229    fmt(VK_FORMAT_ASTC_10x5_UNORM_BLOCK,   ISL_FORMAT_ASTC_LDR_2D_10X5_FLT16),
 230    fmt(VK_FORMAT_ASTC_10x6_UNORM_BLOCK,   ISL_FORMAT_ASTC_LDR_2D_10X6_FLT16),
 231    fmt(VK_FORMAT_ASTC_10x8_UNORM_BLOCK,   ISL_FORMAT_ASTC_LDR_2D_10X8_FLT16),
 232    fmt(VK_FORMAT_ASTC_10x10_UNORM_BLOCK,  ISL_FORMAT_ASTC_LDR_2D_10X10_FLT16),
 233    fmt(VK_FORMAT_ASTC_12x10_UNORM_BLOCK,  ISL_FORMAT_ASTC_LDR_2D_12X10_FLT16),
 234    fmt(VK_FORMAT_ASTC_12x12_UNORM_BLOCK,  ISL_FORMAT_ASTC_LDR_2D_12X12_FLT16),
 235    fmt(VK_FORMAT_B8G8R8_UNORM,            ISL_FORMAT_UNSUPPORTED),
 236    fmt(VK_FORMAT_B8G8R8_SNORM,            ISL_FORMAT_UNSUPPORTED),
 237    fmt(VK_FORMAT_B8G8R8_USCALED,          ISL_FORMAT_UNSUPPORTED),
 238    fmt(VK_FORMAT_B8G8R8_SSCALED,          ISL_FORMAT_UNSUPPORTED),
 239    fmt(VK_FORMAT_B8G8R8_UINT,             ISL_FORMAT_UNSUPPORTED),
 240    fmt(VK_FORMAT_B8G8R8_SINT,             ISL_FORMAT_UNSUPPORTED),
 241    fmt(VK_FORMAT_B8G8R8_SRGB,             ISL_FORMAT_UNSUPPORTED),
 242    fmt(VK_FORMAT_B8G8R8A8_UNORM,          ISL_FORMAT_B8G8R8A8_UNORM),
 243    fmt(VK_FORMAT_B8G8R8A8_SNORM,          ISL_FORMAT_UNSUPPORTED),
 244    fmt(VK_FORMAT_B8G8R8A8_USCALED,        ISL_FORMAT_UNSUPPORTED),
 245    fmt(VK_FORMAT_B8G8R8A8_SSCALED,        ISL_FORMAT_UNSUPPORTED),
 246    fmt(VK_FORMAT_B8G8R8A8_UINT,           ISL_FORMAT_UNSUPPORTED),
 247    fmt(VK_FORMAT_B8G8R8A8_SINT,           ISL_FORMAT_UNSUPPORTED),
 248    fmt(VK_FORMAT_B8G8R8A8_SRGB,           ISL_FORMAT_B8G8R8A8_UNORM_SRGB),
 249 };
 250
 251 #undef fmt
 252
 253 /**
 254  * Exactly one bit must be set in \a aspect.
 255  */
 256 struct anv_format
 257 anv_get_format(const struct gen_device_info *devinfo, VkFormat vk_format,
 258                VkImageAspectFlags aspect, VkImageTiling tiling)
 259 {
 260    struct anv_format format = anv_formats[vk_format];
 261
 262    if (format.isl_format == ISL_FORMAT_UNSUPPORTED)
 263       return format;
 264
 265    if (aspect == VK_IMAGE_ASPECT_STENCIL_BIT) {
 266       assert(vk_format_aspects(vk_format) & VK_IMAGE_ASPECT_STENCIL_BIT);
 267       format.isl_format = ISL_FORMAT_R8_UINT;
 268       return format;
 269    }
 270
 271    if (aspect & VK_IMAGE_ASPECT_DEPTH_BIT) {
 272       assert(vk_format_aspects(vk_format) & VK_IMAGE_ASPECT_DEPTH_BIT);
 273       return format;
 274    }
 275
 276    assert(aspect == VK_IMAGE_ASPECT_COLOR_BIT);
 277    assert(vk_format_aspects(vk_format) == VK_IMAGE_ASPECT_COLOR_BIT);
 278
 279    const struct isl_format_layout *isl_layout =
 280       isl_format_get_layout(format.isl_format);
 281
 282    if (tiling == VK_IMAGE_TILING_OPTIMAL &&
 283        !util_is_power_of_two(isl_layout->bpb)) {
 284       /* Tiled formats *must* be power-of-two because we need up upload
 285        * them with the render pipeline.  For 3-channel formats, we fix
 286        * this by switching them over to RGBX or RGBA formats under the
 287        * hood.
 288        */
 289       enum isl_format rgbx = isl_format_rgb_to_rgbx(format.isl_format);
 290       if (rgbx != ISL_FORMAT_UNSUPPORTED &&
 291           isl_format_supports_rendering(devinfo, rgbx)) {
 292          format.isl_format = rgbx;
 293       } else {
 294          format.isl_format = isl_format_rgb_to_rgba(format.isl_format);
 295          format.swizzle = ISL_SWIZZLE(RED, GREEN, BLUE, ONE);
 296       }
 297    }
 298
 299    /* The B4G4R4A4 format isn't available prior to Broadwell so we have to fall
 300     * back to a format with a more complex swizzle.
 301     */
 302    if (vk_format == VK_FORMAT_B4G4R4A4_UNORM_PACK16 && devinfo->gen < 8) {
 303       return (struct anv_format) {
 304          .isl_format = ISL_FORMAT_B4G4R4A4_UNORM,
 305          .swizzle = ISL_SWIZZLE(GREEN, RED, ALPHA, BLUE),
 306       };
 307    }
 308
 309    return format;
 310 }
 311
 312 // Format capabilities
 313
 314 static VkFormatFeatureFlags
 315 get_image_format_properties(const struct gen_device_info *devinfo,
 316                             enum isl_format base, struct anv_format format)
 317 {
 318    if (format.isl_format == ISL_FORMAT_UNSUPPORTED)
 319       return 0;
 320
 321    VkFormatFeatureFlags flags = 0;
 322    if (isl_format_supports_sampling(devinfo, format.isl_format)) {
 323       flags |= VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT |
 324                VK_FORMAT_FEATURE_BLIT_SRC_BIT;
 325
 326       if (isl_format_supports_filtering(devinfo, format.isl_format))
 327          flags |= VK_FORMAT_FEATURE_SAMPLED_IMAGE_FILTER_LINEAR_BIT;
 328    }
 329
 330    /* We can render to swizzled formats.  However, if the alpha channel is
 331     * moved, then blending won't work correctly.  The PRM tells us
 332     * straight-up not to render to such a surface.
 333     */
 334    if (isl_format_supports_rendering(devinfo, format.isl_format) &&
 335        format.swizzle.a == ISL_CHANNEL_SELECT_ALPHA) {
 336       flags |= VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT |
 337                VK_FORMAT_FEATURE_BLIT_DST_BIT;
 338
 339       if (isl_format_supports_alpha_blending(devinfo, format.isl_format))
 340          flags |= VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BLEND_BIT;
 341    }
 342
 343    /* Load/store is determined based on base format.  This prevents RGB
 344     * formats from showing up as load/store capable.
 345     */
 346    if (isl_is_storage_image_format(base))
 347       flags |= VK_FORMAT_FEATURE_STORAGE_IMAGE_BIT;
 348
 349    if (base == ISL_FORMAT_R32_SINT || base == ISL_FORMAT_R32_UINT)
 350       flags |= VK_FORMAT_FEATURE_STORAGE_IMAGE_ATOMIC_BIT;
 351
 352    if (flags) {
 353       flags |= VK_FORMAT_FEATURE_TRANSFER_SRC_BIT_KHR |
 354                VK_FORMAT_FEATURE_TRANSFER_DST_BIT_KHR;
 355    }
 356
 357    return flags;
 358 }
 359
 360 static VkFormatFeatureFlags
 361 get_buffer_format_properties(const struct gen_device_info *devinfo,
 362                              enum isl_format format)
 363 {
 364    if (format == ISL_FORMAT_UNSUPPORTED)
 365       return 0;
 366
 367    VkFormatFeatureFlags flags = 0;
 368    if (isl_format_supports_sampling(devinfo, format) &&
 369        !isl_format_is_compressed(format))
 370       flags |= VK_FORMAT_FEATURE_UNIFORM_TEXEL_BUFFER_BIT;
 371
 372    if (isl_format_supports_vertex_fetch(devinfo, format))
 373       flags |= VK_FORMAT_FEATURE_VERTEX_BUFFER_BIT;
 374
 375    if (isl_is_storage_image_format(format))
 376       flags |= VK_FORMAT_FEATURE_STORAGE_TEXEL_BUFFER_BIT;
 377
 378    if (format == ISL_FORMAT_R32_SINT || format == ISL_FORMAT_R32_UINT)
 379       flags |= VK_FORMAT_FEATURE_STORAGE_TEXEL_BUFFER_ATOMIC_BIT;
 380
 381    if (flags) {
 382       flags |= VK_FORMAT_FEATURE_TRANSFER_SRC_BIT_KHR |
 383                VK_FORMAT_FEATURE_TRANSFER_DST_BIT_KHR;
 384    }
 385
 386    return flags;
 387 }
 388
 389 static void
 390 anv_physical_device_get_format_properties(struct anv_physical_device *physical_device,
 391                                           VkFormat format,
 392                                           VkFormatProperties *out_properties)
 393 {
 394    int gen = physical_device->info.gen * 10;
 395    if (physical_device->info.is_haswell)
 396       gen += 5;
 397
 398    VkFormatFeatureFlags linear = 0, tiled = 0, buffer = 0;
 399    if (anv_formats[format].isl_format == ISL_FORMAT_UNSUPPORTED) {
 400       /* Nothing to do here */
 401    } else if (vk_format_is_depth_or_stencil(format)) {
 402       tiled |= VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT;
 403       if (physical_device->info.gen >= 8)
 404          tiled |= VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT;
 405
 406       tiled |= VK_FORMAT_FEATURE_BLIT_SRC_BIT |
 407                VK_FORMAT_FEATURE_BLIT_DST_BIT |
 408                VK_FORMAT_FEATURE_TRANSFER_SRC_BIT_KHR |
 409                VK_FORMAT_FEATURE_TRANSFER_DST_BIT_KHR;
 410    } else {
 411       struct anv_format linear_fmt, tiled_fmt;
 412       linear_fmt = anv_get_format(&physical_device->info, format,
 413                                   VK_IMAGE_ASPECT_COLOR_BIT,
 414                                   VK_IMAGE_TILING_LINEAR);
 415       tiled_fmt = anv_get_format(&physical_device->info, format,
 416                                  VK_IMAGE_ASPECT_COLOR_BIT,
 417                                  VK_IMAGE_TILING_OPTIMAL);
 418
 419       linear = get_image_format_properties(&physical_device->info,
 420                                            linear_fmt.isl_format, linear_fmt);
 421       tiled = get_image_format_properties(&physical_device->info,
 422                                           linear_fmt.isl_format, tiled_fmt);
 423       buffer = get_buffer_format_properties(&physical_device->info,
 424                                             linear_fmt.isl_format);
 425
 426       /* XXX: We handle 3-channel formats by switching them out for RGBX or
 427        * RGBA formats behind-the-scenes.  This works fine for textures
 428        * because the upload process will fill in the extra channel.
 429        * We could also support it for render targets, but it will take
 430        * substantially more work and we have enough RGBX formats to handle
 431        * what most clients will want.
 432        */
 433       if (linear_fmt.isl_format != ISL_FORMAT_UNSUPPORTED &&
 434           !util_is_power_of_two(isl_format_layouts[linear_fmt.isl_format].bpb) &&
 435           isl_format_rgb_to_rgbx(linear_fmt.isl_format) == ISL_FORMAT_UNSUPPORTED) {
 436          tiled &= ~VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT &
 437                   ~VK_FORMAT_FEATURE_BLIT_DST_BIT;
 438       }
 439
 440       /* ASTC textures must be in Y-tiled memory */
 441       if (isl_format_get_layout(linear_fmt.isl_format)->txc == ISL_TXC_ASTC)
 442          linear = 0;
 443    }
 444
 445    out_properties->linearTilingFeatures = linear;
 446    out_properties->optimalTilingFeatures = tiled;
 447    out_properties->bufferFeatures = buffer;
 448
 449    return;
 450 }
 451
 452
 453 void anv_GetPhysicalDeviceFormatProperties(
 454     VkPhysicalDevice                            physicalDevice,
 455     VkFormat                                    format,
 456     VkFormatProperties*                         pFormatProperties)
 457 {
 458    ANV_FROM_HANDLE(anv_physical_device, physical_device, physicalDevice);
 459
 460    anv_physical_device_get_format_properties(
 461                physical_device,
 462                format,
 463                pFormatProperties);
 464 }
 465
 466 void anv_GetPhysicalDeviceFormatProperties2KHR(
 467     VkPhysicalDevice                            physicalDevice,
 468     VkFormat                                    format,
 469     VkFormatProperties2KHR*                     pFormatProperties)
 470 {
 471    anv_GetPhysicalDeviceFormatProperties(physicalDevice, format,
 472                                          &pFormatProperties->formatProperties);
 473
 474    vk_foreach_struct(ext, pFormatProperties->pNext) {
 475       switch (ext->sType) {
 476       default:
 477          anv_debug_ignored_stype(ext->sType);
 478          break;
 479       }
 480    }
 481 }
 482
 483 static VkResult
 484 anv_get_image_format_properties(
 485    struct anv_physical_device *physical_device,
 486    const VkPhysicalDeviceImageFormatInfo2KHR *info,
 487    VkImageFormatProperties *pImageFormatProperties)
 488 {
 489    VkFormatProperties format_props;
 490    VkFormatFeatureFlags format_feature_flags;
 491    VkExtent3D maxExtent;
 492    uint32_t maxMipLevels;
 493    uint32_t maxArraySize;
 494    VkSampleCountFlags sampleCounts = VK_SAMPLE_COUNT_1_BIT;
 495
 496    if (anv_formats[info->format].isl_format == ISL_FORMAT_UNSUPPORTED)
 497       goto unsupported;
 498
 499    anv_physical_device_get_format_properties(physical_device, info->format,
 500                                              &format_props);
 501
 502    /* Extract the VkFormatFeatureFlags that are relevant for the queried
 503     * tiling.
 504     */
 505    if (info->tiling == VK_IMAGE_TILING_LINEAR) {
 506       format_feature_flags = format_props.linearTilingFeatures;
 507    } else if (info->tiling == VK_IMAGE_TILING_OPTIMAL) {
 508       format_feature_flags = format_props.optimalTilingFeatures;
 509    } else {
 510       unreachable("bad VkImageTiling");
 511    }
 512
 513    switch (info->type) {
 514    default:
 515       unreachable("bad VkImageType");
 516    case VK_IMAGE_TYPE_1D:
 517       maxExtent.width = 16384;
 518       maxExtent.height = 1;
 519       maxExtent.depth = 1;
 520       maxMipLevels = 15; /* log2(maxWidth) + 1 */
 521       maxArraySize = 2048;
 522       sampleCounts = VK_SAMPLE_COUNT_1_BIT;
 523       break;
 524    case VK_IMAGE_TYPE_2D:
 525       /* FINISHME: Does this really differ for cube maps? The documentation
 526        * for RENDER_SURFACE_STATE suggests so.
 527        */
 528       maxExtent.width = 16384;
 529       maxExtent.height = 16384;
 530       maxExtent.depth = 1;
 531       maxMipLevels = 15; /* log2(maxWidth) + 1 */
 532       maxArraySize = 2048;
 533       break;
 534    case VK_IMAGE_TYPE_3D:
 535       maxExtent.width = 2048;
 536       maxExtent.height = 2048;
 537       maxExtent.depth = 2048;
 538       maxMipLevels = 12; /* log2(maxWidth) + 1 */
 539       maxArraySize = 1;
 540       break;
 541    }
 542
 543    /* Our hardware doesn't support 1D compressed textures.
 544     *    From the SKL PRM, RENDER_SURFACE_STATE::SurfaceFormat:
 545     *    * This field cannot be a compressed (BC*, DXT*, FXT*, ETC*, EAC*) format
 546     *       if the Surface Type is SURFTYPE_1D.
 547     *    * This field cannot be ASTC format if the Surface Type is SURFTYPE_1D.
 548     */
 549    if (info->type == VK_IMAGE_TYPE_1D &&
 550        isl_format_is_compressed(anv_formats[info->format].isl_format)) {
 551        goto unsupported;
 552    }
 553
 554    if (info->tiling == VK_IMAGE_TILING_OPTIMAL &&
 555        info->type == VK_IMAGE_TYPE_2D &&
 556        (format_feature_flags & (VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT |
 557                                 VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT)) &&
 558        !(info->flags & VK_IMAGE_CREATE_CUBE_COMPATIBLE_BIT) &&
 559        !(info->usage & VK_IMAGE_USAGE_STORAGE_BIT)) {
 560       sampleCounts = isl_device_get_sample_counts(&physical_device->isl_dev);
 561    }
 562
 563    if (info->usage & (VK_IMAGE_USAGE_TRANSFER_SRC_BIT |
 564                       VK_IMAGE_USAGE_TRANSFER_DST_BIT)) {
 565       /* Accept transfers on anything we can sample from or renderer to. */
 566       if (!(format_feature_flags & (VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT |
 567                                     VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT |
 568                                     VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT))) {
 569          goto unsupported;
 570       }
 571    }
 572
 573    if (info->usage & VK_IMAGE_USAGE_SAMPLED_BIT) {
 574       if (!(format_feature_flags & VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT)) {
 575          goto unsupported;
 576       }
 577    }
 578
 579    if (info->usage & VK_IMAGE_USAGE_STORAGE_BIT) {
 580       if (!(format_feature_flags & VK_FORMAT_FEATURE_STORAGE_IMAGE_BIT)) {
 581          goto unsupported;
 582       }
 583    }
 584
 585    if (info->usage & VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT) {
 586       if (!(format_feature_flags & VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT)) {
 587          goto unsupported;
 588       }
 589    }
 590
 591    if (info->usage & VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT) {
 592       if (!(format_feature_flags & VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT)) {
 593          goto unsupported;
 594       }
 595    }
 596
 597    if (info->usage & VK_IMAGE_USAGE_TRANSIENT_ATTACHMENT_BIT) {
 598       /* Nothing to check. */
 599    }
 600
 601    if (info->usage & VK_IMAGE_USAGE_INPUT_ATTACHMENT_BIT) {
 602       /* Ignore this flag because it was removed from the
 603        * provisional_I_20150910 header.
 604        */
 605    }
 606
 607    *pImageFormatProperties = (VkImageFormatProperties) {
 608       .maxExtent = maxExtent,
 609       .maxMipLevels = maxMipLevels,
 610       .maxArrayLayers = maxArraySize,
 611       .sampleCounts = sampleCounts,
 612
 613       /* FINISHME: Accurately calculate
 614        * VkImageFormatProperties::maxResourceSize.
 615        */
 616       .maxResourceSize = UINT32_MAX,
 617    };
 618
 619    return VK_SUCCESS;
 620
 621 unsupported:
 622    *pImageFormatProperties = (VkImageFormatProperties) {
 623       .maxExtent = { 0, 0, 0 },
 624       .maxMipLevels = 0,
 625       .maxArrayLayers = 0,
 626       .sampleCounts = 0,
 627       .maxResourceSize = 0,
 628    };
 629
 630    return VK_ERROR_FORMAT_NOT_SUPPORTED;
 631 }
 632
 633 VkResult anv_GetPhysicalDeviceImageFormatProperties(
 634     VkPhysicalDevice                            physicalDevice,
 635     VkFormat                                    format,
 636     VkImageType                                 type,
 637     VkImageTiling                               tiling,
 638     VkImageUsageFlags                           usage,
 639     VkImageCreateFlags                          createFlags,
 640     VkImageFormatProperties*                    pImageFormatProperties)
 641 {
 642    ANV_FROM_HANDLE(anv_physical_device, physical_device, physicalDevice);
 643
 644    const VkPhysicalDeviceImageFormatInfo2KHR info = {
 645       .sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_IMAGE_FORMAT_INFO_2_KHR,
 646       .pNext = NULL,
 647       .format = format,
 648       .type = type,
 649       .tiling = tiling,
 650       .usage = usage,
 651       .flags = createFlags,
 652    };
 653
 654    return anv_get_image_format_properties(physical_device, &info,
 655                                           pImageFormatProperties);
 656 }
 657
 658 static const VkExternalMemoryPropertiesKHX prime_fd_props = {
 659    /* If we can handle external, then we can both import and export it. */
 660    .externalMemoryFeatures = VK_EXTERNAL_MEMORY_FEATURE_EXPORTABLE_BIT_KHX |
 661                              VK_EXTERNAL_MEMORY_FEATURE_IMPORTABLE_BIT_KHX,
 662    /* For the moment, let's not support mixing and matching */
 663    .exportFromImportedHandleTypes =
 664       VK_EXTERNAL_MEMORY_HANDLE_TYPE_OPAQUE_FD_BIT_KHX,
 665    .compatibleHandleTypes =
 666       VK_EXTERNAL_MEMORY_HANDLE_TYPE_OPAQUE_FD_BIT_KHX,
 667 };
 668
 669 VkResult anv_GetPhysicalDeviceImageFormatProperties2KHR(
 670     VkPhysicalDevice                            physicalDevice,
 671     const VkPhysicalDeviceImageFormatInfo2KHR*  base_info,
 672     VkImageFormatProperties2KHR*                base_props)
 673 {
 674    ANV_FROM_HANDLE(anv_physical_device, physical_device, physicalDevice);
 675    const VkPhysicalDeviceExternalImageFormatInfoKHX *external_info = NULL;
 676    VkExternalImageFormatPropertiesKHX *external_props = NULL;
 677    VkResult result;
 678
 679    result = anv_get_image_format_properties(physical_device, base_info,
 680                &base_props->imageFormatProperties);
 681    if (result != VK_SUCCESS)
 682       goto fail;
 683
 684    /* Extract input structs */
 685    vk_foreach_struct_const(s, base_info->pNext) {
 686       switch (s->sType) {
 687       case VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_EXTERNAL_IMAGE_FORMAT_INFO_KHX:
 688          external_info = (const void *) s;
 689          break;
 690       default:
 691          anv_debug_ignored_stype(s->sType);
 692          break;
 693       }
 694    }
 695
 696    /* Extract output structs */
 697    vk_foreach_struct(s, base_props->pNext) {
 698       switch (s->sType) {
 699       case VK_STRUCTURE_TYPE_EXTERNAL_IMAGE_FORMAT_PROPERTIES_KHX:
 700          external_props = (void *) s;
 701          break;
 702       default:
 703          anv_debug_ignored_stype(s->sType);
 704          break;
 705       }
 706    }
 707
 708    /* From the Vulkan 1.0.42 spec:
 709     *
 710     *    If handleType is 0, vkGetPhysicalDeviceImageFormatProperties2KHR will
 711     *    behave as if VkPhysicalDeviceExternalImageFormatInfoKHX was not
 712     *    present and VkExternalImageFormatPropertiesKHX will be ignored.
 713     */
 714    if (external_info && external_info->handleType != 0) {
 715       switch (external_info->handleType) {
 716       case VK_EXTERNAL_MEMORY_HANDLE_TYPE_OPAQUE_FD_BIT_KHX:
 717          if (external_props)
 718             external_props->externalMemoryProperties = prime_fd_props;
 719          break;
 720       default:
 721          /* From the Vulkan 1.0.42 spec:
 722           *
 723           *    If handleType is not compatible with the [parameters] specified
 724           *    in VkPhysicalDeviceImageFormatInfo2KHR, then
 725           *    vkGetPhysicalDeviceImageFormatProperties2KHR returns
 726           *    VK_ERROR_FORMAT_NOT_SUPPORTED.
 727           */
 728          result = vk_errorf(VK_ERROR_FORMAT_NOT_SUPPORTED,
 729                             "unsupported VkExternalMemoryTypeFlagBitsKHX 0x%x",
 730                             external_info->handleType);
 731          goto fail;
 732       }
 733    }
 734
 735    return VK_SUCCESS;
 736
 737  fail:
 738    if (result == VK_ERROR_FORMAT_NOT_SUPPORTED) {
 739       /* From the Vulkan 1.0.42 spec:
 740        *
 741        *    If the combination of parameters to
 742        *    vkGetPhysicalDeviceImageFormatProperties2KHR is not supported by
 743        *    the implementation for use in vkCreateImage, then all members of
 744        *    imageFormatProperties will be filled with zero.
 745        */
 746       base_props->imageFormatProperties = (VkImageFormatProperties) {0};
 747    }
 748
 749    return result;
 750 }
 751
 752 void anv_GetPhysicalDeviceSparseImageFormatProperties(
 753     VkPhysicalDevice                            physicalDevice,
 754     VkFormat                                    format,
 755     VkImageType                                 type,
 756     uint32_t                                    samples,
 757     VkImageUsageFlags                           usage,
 758     VkImageTiling                               tiling,
 759     uint32_t*                                   pNumProperties,
 760     VkSparseImageFormatProperties*              pProperties)
 761 {
 762    /* Sparse images are not yet supported. */
 763    *pNumProperties = 0;
 764 }
 765
 766 void anv_GetPhysicalDeviceSparseImageFormatProperties2KHR(
 767     VkPhysicalDevice                            physicalDevice,
 768     const VkPhysicalDeviceSparseImageFormatInfo2KHR* pFormatInfo,
 769     uint32_t*                                   pPropertyCount,
 770     VkSparseImageFormatProperties2KHR*          pProperties)
 771 {
 772    /* Sparse images are not yet supported. */
 773    *pPropertyCount = 0;
 774 }
 775
 776 void anv_GetPhysicalDeviceExternalBufferPropertiesKHX(
 777     VkPhysicalDevice                             physicalDevice,
 778     const VkPhysicalDeviceExternalBufferInfoKHX* pExternalBufferInfo,
 779     VkExternalBufferPropertiesKHX*               pExternalBufferProperties)
 780 {
 781    /* The Vulkan 1.0.42 spec says "handleType must be a valid
 782     * VkExternalMemoryHandleTypeFlagBitsKHX value" in
 783     * VkPhysicalDeviceExternalBufferInfoKHX. This differs from
 784     * VkPhysicalDeviceExternalImageFormatInfoKHX, which surprisingly permits
 785     * handleType == 0.
 786     */
 787    assert(pExternalBufferInfo->handleType != 0);
 788
 789    /* All of the current flags are for sparse which we don't support yet.
 790     * Even when we do support it, doing sparse on external memory sounds
 791     * sketchy.  Also, just disallowing flags is the safe option.
 792     */
 793    if (pExternalBufferInfo->flags)
 794       goto unsupported;
 795
 796    switch (pExternalBufferInfo->handleType) {
 797    case VK_EXTERNAL_MEMORY_HANDLE_TYPE_OPAQUE_FD_BIT_KHX:
 798       pExternalBufferProperties->externalMemoryProperties = prime_fd_props;
 799       return;
 800    default:
 801       goto unsupported;
 802    }
 803
 804  unsupported:
 805    pExternalBufferProperties->externalMemoryProperties =
 806       (VkExternalMemoryPropertiesKHX) {0};
 807 }