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 #include "util/vk_util.h"
  28
  29 /*
  30  * gcc-4 and earlier don't allow compound literals where a constant
  31  * is required in -std=c99/gnu99 mode, so we can't use ISL_SWIZZLE()
  32  * here. -std=c89/gnu89 would allow it, but we depend on c99 features
  33  * so using -std=c89/gnu89 is not an option. Starting from gcc-5
  34  * compound literals can also be considered constant in -std=c99/gnu99
  35  * mode.
  36  */
  37 #define _ISL_SWIZZLE(r, g, b, a) { \
  38       ISL_CHANNEL_SELECT_##r, \
  39       ISL_CHANNEL_SELECT_##g, \
  40       ISL_CHANNEL_SELECT_##b, \
  41       ISL_CHANNEL_SELECT_##a, \
  42 }
  43
  44 #define RGBA _ISL_SWIZZLE(RED, GREEN, BLUE, ALPHA)
  45 #define BGRA _ISL_SWIZZLE(BLUE, GREEN, RED, ALPHA)
  46 #define RGB1 _ISL_SWIZZLE(RED, GREEN, BLUE, ONE)
  47
  48 #define swiz_fmt(__vk_fmt, __hw_fmt, __swizzle)     \
  49    [__vk_fmt] = { \
  50       .isl_format = __hw_fmt, \
  51       .swizzle = __swizzle, \
  52    }
  53
  54 #define fmt(__vk_fmt, __hw_fmt) \
  55    swiz_fmt(__vk_fmt, __hw_fmt, RGBA)
  56
  57 /* HINT: For array formats, the ISL name should match the VK name.  For
  58  * packed formats, they should have the channels in reverse order from each
  59  * other.  The reason for this is that, for packed formats, the ISL (and
  60  * bspec) names are in LSB -> MSB order while VK formats are MSB -> LSB.
  61  */
  62 static const struct anv_format anv_formats[] = {
  63    fmt(VK_FORMAT_UNDEFINED,               ISL_FORMAT_UNSUPPORTED),
  64    fmt(VK_FORMAT_R4G4_UNORM_PACK8,        ISL_FORMAT_UNSUPPORTED),
  65    fmt(VK_FORMAT_R4G4B4A4_UNORM_PACK16,   ISL_FORMAT_A4B4G4R4_UNORM),
  66    swiz_fmt(VK_FORMAT_B4G4R4A4_UNORM_PACK16,   ISL_FORMAT_A4B4G4R4_UNORM,  BGRA),
  67    fmt(VK_FORMAT_R5G6B5_UNORM_PACK16,     ISL_FORMAT_B5G6R5_UNORM),
  68    swiz_fmt(VK_FORMAT_B5G6R5_UNORM_PACK16,     ISL_FORMAT_B5G6R5_UNORM, BGRA),
  69    fmt(VK_FORMAT_R5G5B5A1_UNORM_PACK16,   ISL_FORMAT_A1B5G5R5_UNORM),
  70    fmt(VK_FORMAT_B5G5R5A1_UNORM_PACK16,   ISL_FORMAT_UNSUPPORTED),
  71    fmt(VK_FORMAT_A1R5G5B5_UNORM_PACK16,   ISL_FORMAT_B5G5R5A1_UNORM),
  72    fmt(VK_FORMAT_R8_UNORM,                ISL_FORMAT_R8_UNORM),
  73    fmt(VK_FORMAT_R8_SNORM,                ISL_FORMAT_R8_SNORM),
  74    fmt(VK_FORMAT_R8_USCALED,              ISL_FORMAT_R8_USCALED),
  75    fmt(VK_FORMAT_R8_SSCALED,              ISL_FORMAT_R8_SSCALED),
  76    fmt(VK_FORMAT_R8_UINT,                 ISL_FORMAT_R8_UINT),
  77    fmt(VK_FORMAT_R8_SINT,                 ISL_FORMAT_R8_SINT),
  78    fmt(VK_FORMAT_R8_SRGB,                 ISL_FORMAT_UNSUPPORTED),
  79    fmt(VK_FORMAT_R8G8_UNORM,              ISL_FORMAT_R8G8_UNORM),
  80    fmt(VK_FORMAT_R8G8_SNORM,              ISL_FORMAT_R8G8_SNORM),
  81    fmt(VK_FORMAT_R8G8_USCALED,            ISL_FORMAT_R8G8_USCALED),
  82    fmt(VK_FORMAT_R8G8_SSCALED,            ISL_FORMAT_R8G8_SSCALED),
  83    fmt(VK_FORMAT_R8G8_UINT,               ISL_FORMAT_R8G8_UINT),
  84    fmt(VK_FORMAT_R8G8_SINT,               ISL_FORMAT_R8G8_SINT),
  85    fmt(VK_FORMAT_R8G8_SRGB,               ISL_FORMAT_UNSUPPORTED), /* L8A8_UNORM_SRGB */
  86    fmt(VK_FORMAT_R8G8B8_UNORM,            ISL_FORMAT_R8G8B8_UNORM),
  87    fmt(VK_FORMAT_R8G8B8_SNORM,            ISL_FORMAT_R8G8B8_SNORM),
  88    fmt(VK_FORMAT_R8G8B8_USCALED,          ISL_FORMAT_R8G8B8_USCALED),
  89    fmt(VK_FORMAT_R8G8B8_SSCALED,          ISL_FORMAT_R8G8B8_SSCALED),
  90    fmt(VK_FORMAT_R8G8B8_UINT,             ISL_FORMAT_R8G8B8_UINT),
  91    fmt(VK_FORMAT_R8G8B8_SINT,             ISL_FORMAT_R8G8B8_SINT),
  92    fmt(VK_FORMAT_R8G8B8_SRGB,             ISL_FORMAT_R8G8B8_UNORM_SRGB),
  93    fmt(VK_FORMAT_R8G8B8A8_UNORM,          ISL_FORMAT_R8G8B8A8_UNORM),
  94    fmt(VK_FORMAT_R8G8B8A8_SNORM,          ISL_FORMAT_R8G8B8A8_SNORM),
  95    fmt(VK_FORMAT_R8G8B8A8_USCALED,        ISL_FORMAT_R8G8B8A8_USCALED),
  96    fmt(VK_FORMAT_R8G8B8A8_SSCALED,        ISL_FORMAT_R8G8B8A8_SSCALED),
  97    fmt(VK_FORMAT_R8G8B8A8_UINT,           ISL_FORMAT_R8G8B8A8_UINT),
  98    fmt(VK_FORMAT_R8G8B8A8_SINT,           ISL_FORMAT_R8G8B8A8_SINT),
  99    fmt(VK_FORMAT_R8G8B8A8_SRGB,           ISL_FORMAT_R8G8B8A8_UNORM_SRGB),
 100    fmt(VK_FORMAT_A8B8G8R8_UNORM_PACK32,   ISL_FORMAT_R8G8B8A8_UNORM),
 101    fmt(VK_FORMAT_A8B8G8R8_SNORM_PACK32,   ISL_FORMAT_R8G8B8A8_SNORM),
 102    fmt(VK_FORMAT_A8B8G8R8_USCALED_PACK32, ISL_FORMAT_R8G8B8A8_USCALED),
 103    fmt(VK_FORMAT_A8B8G8R8_SSCALED_PACK32, ISL_FORMAT_R8G8B8A8_SSCALED),
 104    fmt(VK_FORMAT_A8B8G8R8_UINT_PACK32,    ISL_FORMAT_R8G8B8A8_UINT),
 105    fmt(VK_FORMAT_A8B8G8R8_SINT_PACK32,    ISL_FORMAT_R8G8B8A8_SINT),
 106    fmt(VK_FORMAT_A8B8G8R8_SRGB_PACK32,    ISL_FORMAT_R8G8B8A8_UNORM_SRGB),
 107    fmt(VK_FORMAT_A2R10G10B10_UNORM_PACK32, ISL_FORMAT_B10G10R10A2_UNORM),
 108    fmt(VK_FORMAT_A2R10G10B10_SNORM_PACK32, ISL_FORMAT_B10G10R10A2_SNORM),
 109    fmt(VK_FORMAT_A2R10G10B10_USCALED_PACK32, ISL_FORMAT_B10G10R10A2_USCALED),
 110    fmt(VK_FORMAT_A2R10G10B10_SSCALED_PACK32, ISL_FORMAT_B10G10R10A2_SSCALED),
 111    fmt(VK_FORMAT_A2R10G10B10_UINT_PACK32, ISL_FORMAT_B10G10R10A2_UINT),
 112    fmt(VK_FORMAT_A2R10G10B10_SINT_PACK32, ISL_FORMAT_B10G10R10A2_SINT),
 113    fmt(VK_FORMAT_A2B10G10R10_UNORM_PACK32, ISL_FORMAT_R10G10B10A2_UNORM),
 114    fmt(VK_FORMAT_A2B10G10R10_SNORM_PACK32, ISL_FORMAT_R10G10B10A2_SNORM),
 115    fmt(VK_FORMAT_A2B10G10R10_USCALED_PACK32, ISL_FORMAT_R10G10B10A2_USCALED),
 116    fmt(VK_FORMAT_A2B10G10R10_SSCALED_PACK32, ISL_FORMAT_R10G10B10A2_SSCALED),
 117    fmt(VK_FORMAT_A2B10G10R10_UINT_PACK32, ISL_FORMAT_R10G10B10A2_UINT),
 118    fmt(VK_FORMAT_A2B10G10R10_SINT_PACK32, ISL_FORMAT_R10G10B10A2_SINT),
 119    fmt(VK_FORMAT_R16_UNORM,               ISL_FORMAT_R16_UNORM),
 120    fmt(VK_FORMAT_R16_SNORM,               ISL_FORMAT_R16_SNORM),
 121    fmt(VK_FORMAT_R16_USCALED,             ISL_FORMAT_R16_USCALED),
 122    fmt(VK_FORMAT_R16_SSCALED,             ISL_FORMAT_R16_SSCALED),
 123    fmt(VK_FORMAT_R16_UINT,                ISL_FORMAT_R16_UINT),
 124    fmt(VK_FORMAT_R16_SINT,                ISL_FORMAT_R16_SINT),
 125    fmt(VK_FORMAT_R16_SFLOAT,              ISL_FORMAT_R16_FLOAT),
 126    fmt(VK_FORMAT_R16G16_UNORM,            ISL_FORMAT_R16G16_UNORM),
 127    fmt(VK_FORMAT_R16G16_SNORM,            ISL_FORMAT_R16G16_SNORM),
 128    fmt(VK_FORMAT_R16G16_USCALED,          ISL_FORMAT_R16G16_USCALED),
 129    fmt(VK_FORMAT_R16G16_SSCALED,          ISL_FORMAT_R16G16_SSCALED),
 130    fmt(VK_FORMAT_R16G16_UINT,             ISL_FORMAT_R16G16_UINT),
 131    fmt(VK_FORMAT_R16G16_SINT,             ISL_FORMAT_R16G16_SINT),
 132    fmt(VK_FORMAT_R16G16_SFLOAT,           ISL_FORMAT_R16G16_FLOAT),
 133    fmt(VK_FORMAT_R16G16B16_UNORM,         ISL_FORMAT_R16G16B16_UNORM),
 134    fmt(VK_FORMAT_R16G16B16_SNORM,         ISL_FORMAT_R16G16B16_SNORM),
 135    fmt(VK_FORMAT_R16G16B16_USCALED,       ISL_FORMAT_R16G16B16_USCALED),
 136    fmt(VK_FORMAT_R16G16B16_SSCALED,       ISL_FORMAT_R16G16B16_SSCALED),
 137    fmt(VK_FORMAT_R16G16B16_UINT,          ISL_FORMAT_R16G16B16_UINT),
 138    fmt(VK_FORMAT_R16G16B16_SINT,          ISL_FORMAT_R16G16B16_SINT),
 139    fmt(VK_FORMAT_R16G16B16_SFLOAT,        ISL_FORMAT_R16G16B16_FLOAT),
 140    fmt(VK_FORMAT_R16G16B16A16_UNORM,      ISL_FORMAT_R16G16B16A16_UNORM),
 141    fmt(VK_FORMAT_R16G16B16A16_SNORM,      ISL_FORMAT_R16G16B16A16_SNORM),
 142    fmt(VK_FORMAT_R16G16B16A16_USCALED,    ISL_FORMAT_R16G16B16A16_USCALED),
 143    fmt(VK_FORMAT_R16G16B16A16_SSCALED,    ISL_FORMAT_R16G16B16A16_SSCALED),
 144    fmt(VK_FORMAT_R16G16B16A16_UINT,       ISL_FORMAT_R16G16B16A16_UINT),
 145    fmt(VK_FORMAT_R16G16B16A16_SINT,       ISL_FORMAT_R16G16B16A16_SINT),
 146    fmt(VK_FORMAT_R16G16B16A16_SFLOAT,     ISL_FORMAT_R16G16B16A16_FLOAT),
 147    fmt(VK_FORMAT_R32_UINT,                ISL_FORMAT_R32_UINT),
 148    fmt(VK_FORMAT_R32_SINT,                ISL_FORMAT_R32_SINT),
 149    fmt(VK_FORMAT_R32_SFLOAT,              ISL_FORMAT_R32_FLOAT),
 150    fmt(VK_FORMAT_R32G32_UINT,             ISL_FORMAT_R32G32_UINT),
 151    fmt(VK_FORMAT_R32G32_SINT,             ISL_FORMAT_R32G32_SINT),
 152    fmt(VK_FORMAT_R32G32_SFLOAT,           ISL_FORMAT_R32G32_FLOAT),
 153    fmt(VK_FORMAT_R32G32B32_UINT,          ISL_FORMAT_R32G32B32_UINT),
 154    fmt(VK_FORMAT_R32G32B32_SINT,          ISL_FORMAT_R32G32B32_SINT),
 155    fmt(VK_FORMAT_R32G32B32_SFLOAT,        ISL_FORMAT_R32G32B32_FLOAT),
 156    fmt(VK_FORMAT_R32G32B32A32_UINT,       ISL_FORMAT_R32G32B32A32_UINT),
 157    fmt(VK_FORMAT_R32G32B32A32_SINT,       ISL_FORMAT_R32G32B32A32_SINT),
 158    fmt(VK_FORMAT_R32G32B32A32_SFLOAT,     ISL_FORMAT_R32G32B32A32_FLOAT),
 159    fmt(VK_FORMAT_R64_UINT,                ISL_FORMAT_R64_PASSTHRU),
 160    fmt(VK_FORMAT_R64_SINT,                ISL_FORMAT_R64_PASSTHRU),
 161    fmt(VK_FORMAT_R64_SFLOAT,              ISL_FORMAT_R64_PASSTHRU),
 162    fmt(VK_FORMAT_R64G64_UINT,             ISL_FORMAT_R64G64_PASSTHRU),
 163    fmt(VK_FORMAT_R64G64_SINT,             ISL_FORMAT_R64G64_PASSTHRU),
 164    fmt(VK_FORMAT_R64G64_SFLOAT,           ISL_FORMAT_R64G64_PASSTHRU),
 165    fmt(VK_FORMAT_R64G64B64_UINT,          ISL_FORMAT_R64G64B64_PASSTHRU),
 166    fmt(VK_FORMAT_R64G64B64_SINT,          ISL_FORMAT_R64G64B64_PASSTHRU),
 167    fmt(VK_FORMAT_R64G64B64_SFLOAT,        ISL_FORMAT_R64G64B64_PASSTHRU),
 168    fmt(VK_FORMAT_R64G64B64A64_UINT,       ISL_FORMAT_R64G64B64A64_PASSTHRU),
 169    fmt(VK_FORMAT_R64G64B64A64_SINT,       ISL_FORMAT_R64G64B64A64_PASSTHRU),
 170    fmt(VK_FORMAT_R64G64B64A64_SFLOAT,     ISL_FORMAT_R64G64B64A64_PASSTHRU),
 171    fmt(VK_FORMAT_B10G11R11_UFLOAT_PACK32, ISL_FORMAT_R11G11B10_FLOAT),
 172    fmt(VK_FORMAT_E5B9G9R9_UFLOAT_PACK32,  ISL_FORMAT_R9G9B9E5_SHAREDEXP),
 173
 174    fmt(VK_FORMAT_D16_UNORM,               ISL_FORMAT_R16_UNORM),
 175    fmt(VK_FORMAT_X8_D24_UNORM_PACK32,     ISL_FORMAT_R24_UNORM_X8_TYPELESS),
 176    fmt(VK_FORMAT_D32_SFLOAT,              ISL_FORMAT_R32_FLOAT),
 177    fmt(VK_FORMAT_S8_UINT,                 ISL_FORMAT_R8_UINT),
 178    fmt(VK_FORMAT_D16_UNORM_S8_UINT,       ISL_FORMAT_UNSUPPORTED),
 179    fmt(VK_FORMAT_D24_UNORM_S8_UINT,       ISL_FORMAT_R24_UNORM_X8_TYPELESS),
 180    fmt(VK_FORMAT_D32_SFLOAT_S8_UINT,      ISL_FORMAT_R32_FLOAT),
 181
 182    swiz_fmt(VK_FORMAT_BC1_RGB_UNORM_BLOCK,     ISL_FORMAT_BC1_UNORM, RGB1),
 183    swiz_fmt(VK_FORMAT_BC1_RGB_SRGB_BLOCK,      ISL_FORMAT_BC1_UNORM_SRGB, RGB1),
 184    fmt(VK_FORMAT_BC1_RGBA_UNORM_BLOCK,    ISL_FORMAT_BC1_UNORM),
 185    fmt(VK_FORMAT_BC1_RGBA_SRGB_BLOCK,     ISL_FORMAT_BC1_UNORM_SRGB),
 186    fmt(VK_FORMAT_BC2_UNORM_BLOCK,         ISL_FORMAT_BC2_UNORM),
 187    fmt(VK_FORMAT_BC2_SRGB_BLOCK,          ISL_FORMAT_BC2_UNORM_SRGB),
 188    fmt(VK_FORMAT_BC3_UNORM_BLOCK,         ISL_FORMAT_BC3_UNORM),
 189    fmt(VK_FORMAT_BC3_SRGB_BLOCK,          ISL_FORMAT_BC3_UNORM_SRGB),
 190    fmt(VK_FORMAT_BC4_UNORM_BLOCK,         ISL_FORMAT_BC4_UNORM),
 191    fmt(VK_FORMAT_BC4_SNORM_BLOCK,         ISL_FORMAT_BC4_SNORM),
 192    fmt(VK_FORMAT_BC5_UNORM_BLOCK,         ISL_FORMAT_BC5_UNORM),
 193    fmt(VK_FORMAT_BC5_SNORM_BLOCK,         ISL_FORMAT_BC5_SNORM),
 194    fmt(VK_FORMAT_BC6H_UFLOAT_BLOCK,       ISL_FORMAT_BC6H_UF16),
 195    fmt(VK_FORMAT_BC6H_SFLOAT_BLOCK,       ISL_FORMAT_BC6H_SF16),
 196    fmt(VK_FORMAT_BC7_UNORM_BLOCK,         ISL_FORMAT_BC7_UNORM),
 197    fmt(VK_FORMAT_BC7_SRGB_BLOCK,          ISL_FORMAT_BC7_UNORM_SRGB),
 198    fmt(VK_FORMAT_ETC2_R8G8B8_UNORM_BLOCK, ISL_FORMAT_ETC2_RGB8),
 199    fmt(VK_FORMAT_ETC2_R8G8B8_SRGB_BLOCK,  ISL_FORMAT_ETC2_SRGB8),
 200    fmt(VK_FORMAT_ETC2_R8G8B8A1_UNORM_BLOCK, ISL_FORMAT_ETC2_RGB8_PTA),
 201    fmt(VK_FORMAT_ETC2_R8G8B8A1_SRGB_BLOCK, ISL_FORMAT_ETC2_SRGB8_PTA),
 202    fmt(VK_FORMAT_ETC2_R8G8B8A8_UNORM_BLOCK, ISL_FORMAT_ETC2_EAC_RGBA8),
 203    fmt(VK_FORMAT_ETC2_R8G8B8A8_SRGB_BLOCK, ISL_FORMAT_ETC2_EAC_SRGB8_A8),
 204    fmt(VK_FORMAT_EAC_R11_UNORM_BLOCK,     ISL_FORMAT_EAC_R11),
 205    fmt(VK_FORMAT_EAC_R11_SNORM_BLOCK,     ISL_FORMAT_EAC_SIGNED_R11),
 206    fmt(VK_FORMAT_EAC_R11G11_UNORM_BLOCK,  ISL_FORMAT_EAC_RG11),
 207    fmt(VK_FORMAT_EAC_R11G11_SNORM_BLOCK,  ISL_FORMAT_EAC_SIGNED_RG11),
 208    fmt(VK_FORMAT_ASTC_4x4_SRGB_BLOCK,     ISL_FORMAT_ASTC_LDR_2D_4X4_U8SRGB),
 209    fmt(VK_FORMAT_ASTC_5x4_SRGB_BLOCK,     ISL_FORMAT_ASTC_LDR_2D_5X4_U8SRGB),
 210    fmt(VK_FORMAT_ASTC_5x5_SRGB_BLOCK,     ISL_FORMAT_ASTC_LDR_2D_5X5_U8SRGB),
 211    fmt(VK_FORMAT_ASTC_6x5_SRGB_BLOCK,     ISL_FORMAT_ASTC_LDR_2D_6X5_U8SRGB),
 212    fmt(VK_FORMAT_ASTC_6x6_SRGB_BLOCK,     ISL_FORMAT_ASTC_LDR_2D_6X6_U8SRGB),
 213    fmt(VK_FORMAT_ASTC_8x5_SRGB_BLOCK,     ISL_FORMAT_ASTC_LDR_2D_8X5_U8SRGB),
 214    fmt(VK_FORMAT_ASTC_8x6_SRGB_BLOCK,     ISL_FORMAT_ASTC_LDR_2D_8X6_U8SRGB),
 215    fmt(VK_FORMAT_ASTC_8x8_SRGB_BLOCK,     ISL_FORMAT_ASTC_LDR_2D_8X8_U8SRGB),
 216    fmt(VK_FORMAT_ASTC_10x5_SRGB_BLOCK,    ISL_FORMAT_ASTC_LDR_2D_10X5_U8SRGB),
 217    fmt(VK_FORMAT_ASTC_10x6_SRGB_BLOCK,    ISL_FORMAT_ASTC_LDR_2D_10X6_U8SRGB),
 218    fmt(VK_FORMAT_ASTC_10x8_SRGB_BLOCK,    ISL_FORMAT_ASTC_LDR_2D_10X8_U8SRGB),
 219    fmt(VK_FORMAT_ASTC_10x10_SRGB_BLOCK,   ISL_FORMAT_ASTC_LDR_2D_10X10_U8SRGB),
 220    fmt(VK_FORMAT_ASTC_12x10_SRGB_BLOCK,   ISL_FORMAT_ASTC_LDR_2D_12X10_U8SRGB),
 221    fmt(VK_FORMAT_ASTC_12x12_SRGB_BLOCK,   ISL_FORMAT_ASTC_LDR_2D_12X12_U8SRGB),
 222    fmt(VK_FORMAT_ASTC_4x4_UNORM_BLOCK,    ISL_FORMAT_ASTC_LDR_2D_4X4_FLT16),
 223    fmt(VK_FORMAT_ASTC_5x4_UNORM_BLOCK,    ISL_FORMAT_ASTC_LDR_2D_5X4_FLT16),
 224    fmt(VK_FORMAT_ASTC_5x5_UNORM_BLOCK,    ISL_FORMAT_ASTC_LDR_2D_5X5_FLT16),
 225    fmt(VK_FORMAT_ASTC_6x5_UNORM_BLOCK,    ISL_FORMAT_ASTC_LDR_2D_6X5_FLT16),
 226    fmt(VK_FORMAT_ASTC_6x6_UNORM_BLOCK,    ISL_FORMAT_ASTC_LDR_2D_6X6_FLT16),
 227    fmt(VK_FORMAT_ASTC_8x5_UNORM_BLOCK,    ISL_FORMAT_ASTC_LDR_2D_8X5_FLT16),
 228    fmt(VK_FORMAT_ASTC_8x6_UNORM_BLOCK,    ISL_FORMAT_ASTC_LDR_2D_8X6_FLT16),
 229    fmt(VK_FORMAT_ASTC_8x8_UNORM_BLOCK,    ISL_FORMAT_ASTC_LDR_2D_8X8_FLT16),
 230    fmt(VK_FORMAT_ASTC_10x5_UNORM_BLOCK,   ISL_FORMAT_ASTC_LDR_2D_10X5_FLT16),
 231    fmt(VK_FORMAT_ASTC_10x6_UNORM_BLOCK,   ISL_FORMAT_ASTC_LDR_2D_10X6_FLT16),
 232    fmt(VK_FORMAT_ASTC_10x8_UNORM_BLOCK,   ISL_FORMAT_ASTC_LDR_2D_10X8_FLT16),
 233    fmt(VK_FORMAT_ASTC_10x10_UNORM_BLOCK,  ISL_FORMAT_ASTC_LDR_2D_10X10_FLT16),
 234    fmt(VK_FORMAT_ASTC_12x10_UNORM_BLOCK,  ISL_FORMAT_ASTC_LDR_2D_12X10_FLT16),
 235    fmt(VK_FORMAT_ASTC_12x12_UNORM_BLOCK,  ISL_FORMAT_ASTC_LDR_2D_12X12_FLT16),
 236    fmt(VK_FORMAT_B8G8R8_UNORM,            ISL_FORMAT_UNSUPPORTED),
 237    fmt(VK_FORMAT_B8G8R8_SNORM,            ISL_FORMAT_UNSUPPORTED),
 238    fmt(VK_FORMAT_B8G8R8_USCALED,          ISL_FORMAT_UNSUPPORTED),
 239    fmt(VK_FORMAT_B8G8R8_SSCALED,          ISL_FORMAT_UNSUPPORTED),
 240    fmt(VK_FORMAT_B8G8R8_UINT,             ISL_FORMAT_UNSUPPORTED),
 241    fmt(VK_FORMAT_B8G8R8_SINT,             ISL_FORMAT_UNSUPPORTED),
 242    fmt(VK_FORMAT_B8G8R8_SRGB,             ISL_FORMAT_UNSUPPORTED),
 243    fmt(VK_FORMAT_B8G8R8A8_UNORM,          ISL_FORMAT_B8G8R8A8_UNORM),
 244    fmt(VK_FORMAT_B8G8R8A8_SNORM,          ISL_FORMAT_UNSUPPORTED),
 245    fmt(VK_FORMAT_B8G8R8A8_USCALED,        ISL_FORMAT_UNSUPPORTED),
 246    fmt(VK_FORMAT_B8G8R8A8_SSCALED,        ISL_FORMAT_UNSUPPORTED),
 247    fmt(VK_FORMAT_B8G8R8A8_UINT,           ISL_FORMAT_UNSUPPORTED),
 248    fmt(VK_FORMAT_B8G8R8A8_SINT,           ISL_FORMAT_UNSUPPORTED),
 249    fmt(VK_FORMAT_B8G8R8A8_SRGB,           ISL_FORMAT_B8G8R8A8_UNORM_SRGB),
 250 };
 251
 252 #undef fmt
 253
 254 /**
 255  * Exactly one bit must be set in \a aspect.
 256  */
 257 struct anv_format
 258 anv_get_format(const struct gen_device_info *devinfo, VkFormat vk_format,
 259                VkImageAspectFlags aspect, VkImageTiling tiling)
 260 {
 261    struct anv_format format = anv_formats[vk_format];
 262
 263    if (format.isl_format == ISL_FORMAT_UNSUPPORTED)
 264       return format;
 265
 266    if (aspect == VK_IMAGE_ASPECT_STENCIL_BIT) {
 267       assert(vk_format_aspects(vk_format) & VK_IMAGE_ASPECT_STENCIL_BIT);
 268       format.isl_format = ISL_FORMAT_R8_UINT;
 269       return format;
 270    }
 271
 272    if (aspect & VK_IMAGE_ASPECT_DEPTH_BIT) {
 273       assert(vk_format_aspects(vk_format) & VK_IMAGE_ASPECT_DEPTH_BIT);
 274       return format;
 275    }
 276
 277    assert(aspect == VK_IMAGE_ASPECT_COLOR_BIT);
 278    assert(vk_format_aspects(vk_format) == VK_IMAGE_ASPECT_COLOR_BIT);
 279
 280    const struct isl_format_layout *isl_layout =
 281       isl_format_get_layout(format.isl_format);
 282
 283    if (tiling == VK_IMAGE_TILING_OPTIMAL &&
 284        !util_is_power_of_two(isl_layout->bpb)) {
 285       /* Tiled formats *must* be power-of-two because we need up upload
 286        * them with the render pipeline.  For 3-channel formats, we fix
 287        * this by switching them over to RGBX or RGBA formats under the
 288        * hood.
 289        */
 290       enum isl_format rgbx = isl_format_rgb_to_rgbx(format.isl_format);
 291       if (rgbx != ISL_FORMAT_UNSUPPORTED &&
 292           isl_format_supports_rendering(devinfo, rgbx)) {
 293          format.isl_format = rgbx;
 294       } else {
 295          format.isl_format = isl_format_rgb_to_rgba(format.isl_format);
 296          format.swizzle = ISL_SWIZZLE(RED, GREEN, BLUE, ONE);
 297       }
 298    }
 299
 300    /* The B4G4R4A4 format isn't available prior to Broadwell so we have to fall
 301     * back to a format with a more complex swizzle.
 302     */
 303    if (vk_format == VK_FORMAT_B4G4R4A4_UNORM_PACK16 && devinfo->gen < 8) {
 304       return (struct anv_format) {
 305          .isl_format = ISL_FORMAT_B4G4R4A4_UNORM,
 306          .swizzle = ISL_SWIZZLE(GREEN, RED, ALPHA, BLUE),
 307       };
 308    }
 309
 310    return format;
 311 }
 312
 313 // Format capabilities
 314
 315 static VkFormatFeatureFlags
 316 get_image_format_properties(const struct gen_device_info *devinfo,
 317                             enum isl_format base, struct anv_format format)
 318 {
 319    if (format.isl_format == ISL_FORMAT_UNSUPPORTED)
 320       return 0;
 321
 322    VkFormatFeatureFlags flags = 0;
 323    if (isl_format_supports_sampling(devinfo, format.isl_format)) {
 324       flags |= VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT |
 325                VK_FORMAT_FEATURE_BLIT_SRC_BIT;
 326
 327       if (isl_format_supports_filtering(devinfo, format.isl_format))
 328          flags |= VK_FORMAT_FEATURE_SAMPLED_IMAGE_FILTER_LINEAR_BIT;
 329    }
 330
 331    /* We can render to swizzled formats.  However, if the alpha channel is
 332     * moved, then blending won't work correctly.  The PRM tells us
 333     * straight-up not to render to such a surface.
 334     */
 335    if (isl_format_supports_rendering(devinfo, format.isl_format) &&
 336        format.swizzle.a == ISL_CHANNEL_SELECT_ALPHA) {
 337       flags |= VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT |
 338                VK_FORMAT_FEATURE_BLIT_DST_BIT;
 339
 340       if (isl_format_supports_alpha_blending(devinfo, format.isl_format))
 341          flags |= VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BLEND_BIT;
 342    }
 343
 344    /* Load/store is determined based on base format.  This prevents RGB
 345     * formats from showing up as load/store capable.
 346     */
 347    if (isl_is_storage_image_format(base))
 348       flags |= VK_FORMAT_FEATURE_STORAGE_IMAGE_BIT;
 349
 350    if (base == ISL_FORMAT_R32_SINT || base == ISL_FORMAT_R32_UINT)
 351       flags |= VK_FORMAT_FEATURE_STORAGE_IMAGE_ATOMIC_BIT;
 352
 353    if (flags) {
 354       flags |= VK_FORMAT_FEATURE_TRANSFER_SRC_BIT_KHR |
 355                VK_FORMAT_FEATURE_TRANSFER_DST_BIT_KHR;
 356    }
 357
 358    return flags;
 359 }
 360
 361 static VkFormatFeatureFlags
 362 get_buffer_format_properties(const struct gen_device_info *devinfo,
 363                              enum isl_format format)
 364 {
 365    if (format == ISL_FORMAT_UNSUPPORTED)
 366       return 0;
 367
 368    VkFormatFeatureFlags flags = 0;
 369    if (isl_format_supports_sampling(devinfo, format) &&
 370        !isl_format_is_compressed(format))
 371       flags |= VK_FORMAT_FEATURE_UNIFORM_TEXEL_BUFFER_BIT;
 372
 373    if (isl_format_supports_vertex_fetch(devinfo, format))
 374       flags |= VK_FORMAT_FEATURE_VERTEX_BUFFER_BIT;
 375
 376    if (isl_is_storage_image_format(format))
 377       flags |= VK_FORMAT_FEATURE_STORAGE_TEXEL_BUFFER_BIT;
 378
 379    if (format == ISL_FORMAT_R32_SINT || format == ISL_FORMAT_R32_UINT)
 380       flags |= VK_FORMAT_FEATURE_STORAGE_TEXEL_BUFFER_ATOMIC_BIT;
 381
 382    if (flags) {
 383       flags |= VK_FORMAT_FEATURE_TRANSFER_SRC_BIT_KHR |
 384                VK_FORMAT_FEATURE_TRANSFER_DST_BIT_KHR;
 385    }
 386
 387    return flags;
 388 }
 389
 390 static void
 391 anv_physical_device_get_format_properties(struct anv_physical_device *physical_device,
 392                                           VkFormat format,
 393                                           VkFormatProperties *out_properties)
 394 {
 395    int gen = physical_device->info.gen * 10;
 396    if (physical_device->info.is_haswell)
 397       gen += 5;
 398
 399    VkFormatFeatureFlags linear = 0, tiled = 0, buffer = 0;
 400    if (anv_formats[format].isl_format == ISL_FORMAT_UNSUPPORTED) {
 401       /* Nothing to do here */
 402    } else if (vk_format_is_depth_or_stencil(format)) {
 403       tiled |= VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT;
 404       if (physical_device->info.gen >= 8)
 405          tiled |= VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT;
 406
 407       tiled |= VK_FORMAT_FEATURE_BLIT_SRC_BIT |
 408                VK_FORMAT_FEATURE_BLIT_DST_BIT |
 409                VK_FORMAT_FEATURE_TRANSFER_SRC_BIT_KHR |
 410                VK_FORMAT_FEATURE_TRANSFER_DST_BIT_KHR;
 411    } else {
 412       struct anv_format linear_fmt, tiled_fmt;
 413       linear_fmt = anv_get_format(&physical_device->info, format,
 414                                   VK_IMAGE_ASPECT_COLOR_BIT,
 415                                   VK_IMAGE_TILING_LINEAR);
 416       tiled_fmt = anv_get_format(&physical_device->info, format,
 417                                  VK_IMAGE_ASPECT_COLOR_BIT,
 418                                  VK_IMAGE_TILING_OPTIMAL);
 419
 420       linear = get_image_format_properties(&physical_device->info,
 421                                            linear_fmt.isl_format, linear_fmt);
 422       tiled = get_image_format_properties(&physical_device->info,
 423                                           linear_fmt.isl_format, tiled_fmt);
 424       buffer = get_buffer_format_properties(&physical_device->info,
 425                                             linear_fmt.isl_format);
 426
 427       /* XXX: We handle 3-channel formats by switching them out for RGBX or
 428        * RGBA formats behind-the-scenes.  This works fine for textures
 429        * because the upload process will fill in the extra channel.
 430        * We could also support it for render targets, but it will take
 431        * substantially more work and we have enough RGBX formats to handle
 432        * what most clients will want.
 433        */
 434       if (linear_fmt.isl_format != ISL_FORMAT_UNSUPPORTED &&
 435           !util_is_power_of_two(isl_format_layouts[linear_fmt.isl_format].bpb) &&
 436           isl_format_rgb_to_rgbx(linear_fmt.isl_format) == ISL_FORMAT_UNSUPPORTED) {
 437          tiled &= ~VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT &
 438                   ~VK_FORMAT_FEATURE_BLIT_DST_BIT;
 439       }
 440
 441       /* ASTC textures must be in Y-tiled memory */
 442       if (isl_format_get_layout(linear_fmt.isl_format)->txc == ISL_TXC_ASTC)
 443          linear = 0;
 444    }
 445
 446    out_properties->linearTilingFeatures = linear;
 447    out_properties->optimalTilingFeatures = tiled;
 448    out_properties->bufferFeatures = buffer;
 449
 450    return;
 451 }
 452
 453
 454 void anv_GetPhysicalDeviceFormatProperties(
 455     VkPhysicalDevice                            physicalDevice,
 456     VkFormat                                    format,
 457     VkFormatProperties*                         pFormatProperties)
 458 {
 459    ANV_FROM_HANDLE(anv_physical_device, physical_device, physicalDevice);
 460
 461    anv_physical_device_get_format_properties(
 462                physical_device,
 463                format,
 464                pFormatProperties);
 465 }
 466
 467 void anv_GetPhysicalDeviceFormatProperties2KHR(
 468     VkPhysicalDevice                            physicalDevice,
 469     VkFormat                                    format,
 470     VkFormatProperties2KHR*                     pFormatProperties)
 471 {
 472    anv_GetPhysicalDeviceFormatProperties(physicalDevice, format,
 473                                          &pFormatProperties->formatProperties);
 474
 475    vk_foreach_struct(ext, pFormatProperties->pNext) {
 476       switch (ext->sType) {
 477       default:
 478          anv_debug_ignored_stype(ext->sType);
 479          break;
 480       }
 481    }
 482 }
 483
 484 static VkResult
 485 anv_get_image_format_properties(
 486    struct anv_physical_device *physical_device,
 487    const VkPhysicalDeviceImageFormatInfo2KHR *info,
 488    VkImageFormatProperties *pImageFormatProperties)
 489 {
 490    VkFormatProperties format_props;
 491    VkFormatFeatureFlags format_feature_flags;
 492    VkExtent3D maxExtent;
 493    uint32_t maxMipLevels;
 494    uint32_t maxArraySize;
 495    VkSampleCountFlags sampleCounts = VK_SAMPLE_COUNT_1_BIT;
 496
 497    if (anv_formats[info->format].isl_format == ISL_FORMAT_UNSUPPORTED)
 498       goto unsupported;
 499
 500    anv_physical_device_get_format_properties(physical_device, info->format,
 501                                              &format_props);
 502
 503    /* Extract the VkFormatFeatureFlags that are relevant for the queried
 504     * tiling.
 505     */
 506    if (info->tiling == VK_IMAGE_TILING_LINEAR) {
 507       format_feature_flags = format_props.linearTilingFeatures;
 508    } else if (info->tiling == VK_IMAGE_TILING_OPTIMAL) {
 509       format_feature_flags = format_props.optimalTilingFeatures;
 510    } else {
 511       unreachable("bad VkImageTiling");
 512    }
 513
 514    switch (info->type) {
 515    default:
 516       unreachable("bad VkImageType");
 517    case VK_IMAGE_TYPE_1D:
 518       maxExtent.width = 16384;
 519       maxExtent.height = 1;
 520       maxExtent.depth = 1;
 521       maxMipLevels = 15; /* log2(maxWidth) + 1 */
 522       maxArraySize = 2048;
 523       sampleCounts = VK_SAMPLE_COUNT_1_BIT;
 524       break;
 525    case VK_IMAGE_TYPE_2D:
 526       /* FINISHME: Does this really differ for cube maps? The documentation
 527        * for RENDER_SURFACE_STATE suggests so.
 528        */
 529       maxExtent.width = 16384;
 530       maxExtent.height = 16384;
 531       maxExtent.depth = 1;
 532       maxMipLevels = 15; /* log2(maxWidth) + 1 */
 533       maxArraySize = 2048;
 534       break;
 535    case VK_IMAGE_TYPE_3D:
 536       maxExtent.width = 2048;
 537       maxExtent.height = 2048;
 538       maxExtent.depth = 2048;
 539       maxMipLevels = 12; /* log2(maxWidth) + 1 */
 540       maxArraySize = 1;
 541       break;
 542    }
 543
 544    /* Our hardware doesn't support 1D compressed textures.
 545     *    From the SKL PRM, RENDER_SURFACE_STATE::SurfaceFormat:
 546     *    * This field cannot be a compressed (BC*, DXT*, FXT*, ETC*, EAC*) format
 547     *       if the Surface Type is SURFTYPE_1D.
 548     *    * This field cannot be ASTC format if the Surface Type is SURFTYPE_1D.
 549     */
 550    if (info->type == VK_IMAGE_TYPE_1D &&
 551        isl_format_is_compressed(anv_formats[info->format].isl_format)) {
 552        goto unsupported;
 553    }
 554
 555    if (info->tiling == VK_IMAGE_TILING_OPTIMAL &&
 556        info->type == VK_IMAGE_TYPE_2D &&
 557        (format_feature_flags & (VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT |
 558                                 VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT)) &&
 559        !(info->flags & VK_IMAGE_CREATE_CUBE_COMPATIBLE_BIT) &&
 560        !(info->usage & VK_IMAGE_USAGE_STORAGE_BIT)) {
 561       sampleCounts = isl_device_get_sample_counts(&physical_device->isl_dev);
 562    }
 563
 564    if (info->usage & (VK_IMAGE_USAGE_TRANSFER_SRC_BIT |
 565                       VK_IMAGE_USAGE_TRANSFER_DST_BIT)) {
 566       /* Accept transfers on anything we can sample from or renderer to. */
 567       if (!(format_feature_flags & (VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT |
 568                                     VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT |
 569                                     VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT))) {
 570          goto unsupported;
 571       }
 572    }
 573
 574    if (info->usage & VK_IMAGE_USAGE_SAMPLED_BIT) {
 575       if (!(format_feature_flags & VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT)) {
 576          goto unsupported;
 577       }
 578    }
 579
 580    if (info->usage & VK_IMAGE_USAGE_STORAGE_BIT) {
 581       if (!(format_feature_flags & VK_FORMAT_FEATURE_STORAGE_IMAGE_BIT)) {
 582          goto unsupported;
 583       }
 584    }
 585
 586    if (info->usage & VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT) {
 587       if (!(format_feature_flags & VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT)) {
 588          goto unsupported;
 589       }
 590    }
 591
 592    if (info->usage & VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT) {
 593       if (!(format_feature_flags & VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT)) {
 594          goto unsupported;
 595       }
 596    }
 597
 598    if (info->usage & VK_IMAGE_USAGE_TRANSIENT_ATTACHMENT_BIT) {
 599       /* Nothing to check. */
 600    }
 601
 602    if (info->usage & VK_IMAGE_USAGE_INPUT_ATTACHMENT_BIT) {
 603       /* Ignore this flag because it was removed from the
 604        * provisional_I_20150910 header.
 605        */
 606    }
 607
 608    *pImageFormatProperties = (VkImageFormatProperties) {
 609       .maxExtent = maxExtent,
 610       .maxMipLevels = maxMipLevels,
 611       .maxArrayLayers = maxArraySize,
 612       .sampleCounts = sampleCounts,
 613
 614       /* FINISHME: Accurately calculate
 615        * VkImageFormatProperties::maxResourceSize.
 616        */
 617       .maxResourceSize = UINT32_MAX,
 618    };
 619
 620    return VK_SUCCESS;
 621
 622 unsupported:
 623    *pImageFormatProperties = (VkImageFormatProperties) {
 624       .maxExtent = { 0, 0, 0 },
 625       .maxMipLevels = 0,
 626       .maxArrayLayers = 0,
 627       .sampleCounts = 0,
 628       .maxResourceSize = 0,
 629    };
 630
 631    return VK_ERROR_FORMAT_NOT_SUPPORTED;
 632 }
 633
 634 VkResult anv_GetPhysicalDeviceImageFormatProperties(
 635     VkPhysicalDevice                            physicalDevice,
 636     VkFormat                                    format,
 637     VkImageType                                 type,
 638     VkImageTiling                               tiling,
 639     VkImageUsageFlags                           usage,
 640     VkImageCreateFlags                          createFlags,
 641     VkImageFormatProperties*                    pImageFormatProperties)
 642 {
 643    ANV_FROM_HANDLE(anv_physical_device, physical_device, physicalDevice);
 644
 645    const VkPhysicalDeviceImageFormatInfo2KHR info = {
 646       .sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_IMAGE_FORMAT_INFO_2_KHR,
 647       .pNext = NULL,
 648       .format = format,
 649       .type = type,
 650       .tiling = tiling,
 651       .usage = usage,
 652       .flags = createFlags,
 653    };
 654
 655    return anv_get_image_format_properties(physical_device, &info,
 656                                           pImageFormatProperties);
 657 }
 658
 659 static const VkExternalMemoryPropertiesKHX prime_fd_props = {
 660    /* If we can handle external, then we can both import and export it. */
 661    .externalMemoryFeatures = VK_EXTERNAL_MEMORY_FEATURE_EXPORTABLE_BIT_KHX |
 662                              VK_EXTERNAL_MEMORY_FEATURE_IMPORTABLE_BIT_KHX,
 663    /* For the moment, let's not support mixing and matching */
 664    .exportFromImportedHandleTypes =
 665       VK_EXTERNAL_MEMORY_HANDLE_TYPE_OPAQUE_FD_BIT_KHX,
 666    .compatibleHandleTypes =
 667       VK_EXTERNAL_MEMORY_HANDLE_TYPE_OPAQUE_FD_BIT_KHX,
 668 };
 669
 670 VkResult anv_GetPhysicalDeviceImageFormatProperties2KHR(
 671     VkPhysicalDevice                            physicalDevice,
 672     const VkPhysicalDeviceImageFormatInfo2KHR*  base_info,
 673     VkImageFormatProperties2KHR*                base_props)
 674 {
 675    ANV_FROM_HANDLE(anv_physical_device, physical_device, physicalDevice);
 676    const VkPhysicalDeviceExternalImageFormatInfoKHX *external_info = NULL;
 677    VkExternalImageFormatPropertiesKHX *external_props = NULL;
 678    VkResult result;
 679
 680    result = anv_get_image_format_properties(physical_device, base_info,
 681                &base_props->imageFormatProperties);
 682    if (result != VK_SUCCESS)
 683       goto fail;
 684
 685    /* Extract input structs */
 686    vk_foreach_struct_const(s, base_info->pNext) {
 687       switch (s->sType) {
 688       case VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_EXTERNAL_IMAGE_FORMAT_INFO_KHX:
 689          external_info = (const void *) s;
 690          break;
 691       default:
 692          anv_debug_ignored_stype(s->sType);
 693          break;
 694       }
 695    }
 696
 697    /* Extract output structs */
 698    vk_foreach_struct(s, base_props->pNext) {
 699       switch (s->sType) {
 700       case VK_STRUCTURE_TYPE_EXTERNAL_IMAGE_FORMAT_PROPERTIES_KHX:
 701          external_props = (void *) s;
 702          break;
 703       default:
 704          anv_debug_ignored_stype(s->sType);
 705          break;
 706       }
 707    }
 708
 709    /* From the Vulkan 1.0.42 spec:
 710     *
 711     *    If handleType is 0, vkGetPhysicalDeviceImageFormatProperties2KHR will
 712     *    behave as if VkPhysicalDeviceExternalImageFormatInfoKHX was not
 713     *    present and VkExternalImageFormatPropertiesKHX will be ignored.
 714     */
 715    if (external_info && external_info->handleType != 0) {
 716       switch (external_info->handleType) {
 717       case VK_EXTERNAL_MEMORY_HANDLE_TYPE_OPAQUE_FD_BIT_KHX:
 718          if (external_props)
 719             external_props->externalMemoryProperties = prime_fd_props;
 720          break;
 721       default:
 722          /* From the Vulkan 1.0.42 spec:
 723           *
 724           *    If handleType is not compatible with the [parameters] specified
 725           *    in VkPhysicalDeviceImageFormatInfo2KHR, then
 726           *    vkGetPhysicalDeviceImageFormatProperties2KHR returns
 727           *    VK_ERROR_FORMAT_NOT_SUPPORTED.
 728           */
 729          result = vk_errorf(VK_ERROR_FORMAT_NOT_SUPPORTED,
 730                             "unsupported VkExternalMemoryTypeFlagBitsKHX 0x%x",
 731                             external_info->handleType);
 732          goto fail;
 733       }
 734    }
 735
 736    return VK_SUCCESS;
 737
 738  fail:
 739    if (result == VK_ERROR_FORMAT_NOT_SUPPORTED) {
 740       /* From the Vulkan 1.0.42 spec:
 741        *
 742        *    If the combination of parameters to
 743        *    vkGetPhysicalDeviceImageFormatProperties2KHR is not supported by
 744        *    the implementation for use in vkCreateImage, then all members of
 745        *    imageFormatProperties will be filled with zero.
 746        */
 747       base_props->imageFormatProperties = (VkImageFormatProperties) {0};
 748    }
 749
 750    return result;
 751 }
 752
 753 void anv_GetPhysicalDeviceSparseImageFormatProperties(
 754     VkPhysicalDevice                            physicalDevice,
 755     VkFormat                                    format,
 756     VkImageType                                 type,
 757     uint32_t                                    samples,
 758     VkImageUsageFlags                           usage,
 759     VkImageTiling                               tiling,
 760     uint32_t*                                   pNumProperties,
 761     VkSparseImageFormatProperties*              pProperties)
 762 {
 763    /* Sparse images are not yet supported. */
 764    *pNumProperties = 0;
 765 }
 766
 767 void anv_GetPhysicalDeviceSparseImageFormatProperties2KHR(
 768     VkPhysicalDevice                            physicalDevice,
 769     const VkPhysicalDeviceSparseImageFormatInfo2KHR* pFormatInfo,
 770     uint32_t*                                   pPropertyCount,
 771     VkSparseImageFormatProperties2KHR*          pProperties)
 772 {
 773    /* Sparse images are not yet supported. */
 774    *pPropertyCount = 0;
 775 }
 776
 777 void anv_GetPhysicalDeviceExternalBufferPropertiesKHX(
 778     VkPhysicalDevice                             physicalDevice,
 779     const VkPhysicalDeviceExternalBufferInfoKHX* pExternalBufferInfo,
 780     VkExternalBufferPropertiesKHX*               pExternalBufferProperties)
 781 {
 782    /* The Vulkan 1.0.42 spec says "handleType must be a valid
 783     * VkExternalMemoryHandleTypeFlagBitsKHX value" in
 784     * VkPhysicalDeviceExternalBufferInfoKHX. This differs from
 785     * VkPhysicalDeviceExternalImageFormatInfoKHX, which surprisingly permits
 786     * handleType == 0.
 787     */
 788    assert(pExternalBufferInfo->handleType != 0);
 789
 790    /* All of the current flags are for sparse which we don't support yet.
 791     * Even when we do support it, doing sparse on external memory sounds
 792     * sketchy.  Also, just disallowing flags is the safe option.
 793     */
 794    if (pExternalBufferInfo->flags)
 795       goto unsupported;
 796
 797    switch (pExternalBufferInfo->handleType) {
 798    case VK_EXTERNAL_MEMORY_HANDLE_TYPE_OPAQUE_FD_BIT_KHX:
 799       pExternalBufferProperties->externalMemoryProperties = prime_fd_props;
 800       return;
 801    default:
 802       goto unsupported;
 803    }
 804
 805  unsupported:
 806    pExternalBufferProperties->externalMemoryProperties =
 807       (VkExternalMemoryPropertiesKHX) {0};
 808 }