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 /*
  28  * gcc-4 and earlier don't allow compound literals where a constant
  29  * is required in -std=c99/gnu99 mode, so we can't use ISL_SWIZZLE()
  30  * here. -std=c89/gnu89 would allow it, but we depend on c99 features
  31  * so using -std=c89/gnu89 is not an option. Starting from gcc-5
  32  * compound literals can also be considered constant in -std=c99/gnu99
  33  * mode.
  34  */
  35 #define _ISL_SWIZZLE(r, g, b, a) { \
  36       ISL_CHANNEL_SELECT_##r, \
  37       ISL_CHANNEL_SELECT_##g, \
  38       ISL_CHANNEL_SELECT_##b, \
  39       ISL_CHANNEL_SELECT_##a, \
  40 }
  41
  42 #define RGBA _ISL_SWIZZLE(RED, GREEN, BLUE, ALPHA)
  43 #define BGRA _ISL_SWIZZLE(BLUE, GREEN, RED, ALPHA)
  44 #define RGB1 _ISL_SWIZZLE(RED, GREEN, BLUE, ONE)
  45
  46 #define swiz_fmt(__vk_fmt, __hw_fmt, __swizzle)     \
  47    [__vk_fmt] = { \
  48       .isl_format = __hw_fmt, \
  49       .swizzle = __swizzle, \
  50    }
  51
  52 #define fmt(__vk_fmt, __hw_fmt) \
  53    swiz_fmt(__vk_fmt, __hw_fmt, RGBA)
  54
  55 /* HINT: For array formats, the ISL name should match the VK name.  For
  56  * packed formats, they should have the channels in reverse order from each
  57  * other.  The reason for this is that, for packed formats, the ISL (and
  58  * bspec) names are in LSB -> MSB order while VK formats are MSB -> LSB.
  59  */
  60 static const struct anv_format anv_formats[] = {
  61    fmt(VK_FORMAT_UNDEFINED,               ISL_FORMAT_UNSUPPORTED),
  62    fmt(VK_FORMAT_R4G4_UNORM_PACK8,        ISL_FORMAT_UNSUPPORTED),
  63    fmt(VK_FORMAT_R4G4B4A4_UNORM_PACK16,   ISL_FORMAT_A4B4G4R4_UNORM),
  64    swiz_fmt(VK_FORMAT_B4G4R4A4_UNORM_PACK16,   ISL_FORMAT_A4B4G4R4_UNORM,  BGRA),
  65    fmt(VK_FORMAT_R5G6B5_UNORM_PACK16,     ISL_FORMAT_B5G6R5_UNORM),
  66    swiz_fmt(VK_FORMAT_B5G6R5_UNORM_PACK16,     ISL_FORMAT_B5G6R5_UNORM, BGRA),
  67    fmt(VK_FORMAT_R5G5B5A1_UNORM_PACK16,   ISL_FORMAT_A1B5G5R5_UNORM),
  68    fmt(VK_FORMAT_B5G5R5A1_UNORM_PACK16,   ISL_FORMAT_UNSUPPORTED),
  69    fmt(VK_FORMAT_A1R5G5B5_UNORM_PACK16,   ISL_FORMAT_B5G5R5A1_UNORM),
  70    fmt(VK_FORMAT_R8_UNORM,                ISL_FORMAT_R8_UNORM),
  71    fmt(VK_FORMAT_R8_SNORM,                ISL_FORMAT_R8_SNORM),
  72    fmt(VK_FORMAT_R8_USCALED,              ISL_FORMAT_R8_USCALED),
  73    fmt(VK_FORMAT_R8_SSCALED,              ISL_FORMAT_R8_SSCALED),
  74    fmt(VK_FORMAT_R8_UINT,                 ISL_FORMAT_R8_UINT),
  75    fmt(VK_FORMAT_R8_SINT,                 ISL_FORMAT_R8_SINT),
  76    fmt(VK_FORMAT_R8_SRGB,                 ISL_FORMAT_UNSUPPORTED),
  77    fmt(VK_FORMAT_R8G8_UNORM,              ISL_FORMAT_R8G8_UNORM),
  78    fmt(VK_FORMAT_R8G8_SNORM,              ISL_FORMAT_R8G8_SNORM),
  79    fmt(VK_FORMAT_R8G8_USCALED,            ISL_FORMAT_R8G8_USCALED),
  80    fmt(VK_FORMAT_R8G8_SSCALED,            ISL_FORMAT_R8G8_SSCALED),
  81    fmt(VK_FORMAT_R8G8_UINT,               ISL_FORMAT_R8G8_UINT),
  82    fmt(VK_FORMAT_R8G8_SINT,               ISL_FORMAT_R8G8_SINT),
  83    fmt(VK_FORMAT_R8G8_SRGB,               ISL_FORMAT_UNSUPPORTED), /* L8A8_UNORM_SRGB */
  84    fmt(VK_FORMAT_R8G8B8_UNORM,            ISL_FORMAT_R8G8B8_UNORM),
  85    fmt(VK_FORMAT_R8G8B8_SNORM,            ISL_FORMAT_R8G8B8_SNORM),
  86    fmt(VK_FORMAT_R8G8B8_USCALED,          ISL_FORMAT_R8G8B8_USCALED),
  87    fmt(VK_FORMAT_R8G8B8_SSCALED,          ISL_FORMAT_R8G8B8_SSCALED),
  88    fmt(VK_FORMAT_R8G8B8_UINT,             ISL_FORMAT_R8G8B8_UINT),
  89    fmt(VK_FORMAT_R8G8B8_SINT,             ISL_FORMAT_R8G8B8_SINT),
  90    fmt(VK_FORMAT_R8G8B8_SRGB,             ISL_FORMAT_R8G8B8_UNORM_SRGB),
  91    fmt(VK_FORMAT_R8G8B8A8_UNORM,          ISL_FORMAT_R8G8B8A8_UNORM),
  92    fmt(VK_FORMAT_R8G8B8A8_SNORM,          ISL_FORMAT_R8G8B8A8_SNORM),
  93    fmt(VK_FORMAT_R8G8B8A8_USCALED,        ISL_FORMAT_R8G8B8A8_USCALED),
  94    fmt(VK_FORMAT_R8G8B8A8_SSCALED,        ISL_FORMAT_R8G8B8A8_SSCALED),
  95    fmt(VK_FORMAT_R8G8B8A8_UINT,           ISL_FORMAT_R8G8B8A8_UINT),
  96    fmt(VK_FORMAT_R8G8B8A8_SINT,           ISL_FORMAT_R8G8B8A8_SINT),
  97    fmt(VK_FORMAT_R8G8B8A8_SRGB,           ISL_FORMAT_R8G8B8A8_UNORM_SRGB),
  98    fmt(VK_FORMAT_A8B8G8R8_UNORM_PACK32,   ISL_FORMAT_R8G8B8A8_UNORM),
  99    fmt(VK_FORMAT_A8B8G8R8_SNORM_PACK32,   ISL_FORMAT_R8G8B8A8_SNORM),
 100    fmt(VK_FORMAT_A8B8G8R8_USCALED_PACK32, ISL_FORMAT_R8G8B8A8_USCALED),
 101    fmt(VK_FORMAT_A8B8G8R8_SSCALED_PACK32, ISL_FORMAT_R8G8B8A8_SSCALED),
 102    fmt(VK_FORMAT_A8B8G8R8_UINT_PACK32,    ISL_FORMAT_R8G8B8A8_UINT),
 103    fmt(VK_FORMAT_A8B8G8R8_SINT_PACK32,    ISL_FORMAT_R8G8B8A8_SINT),
 104    fmt(VK_FORMAT_A8B8G8R8_SRGB_PACK32,    ISL_FORMAT_R8G8B8A8_UNORM_SRGB),
 105    fmt(VK_FORMAT_A2R10G10B10_UNORM_PACK32, ISL_FORMAT_B10G10R10A2_UNORM),
 106    fmt(VK_FORMAT_A2R10G10B10_SNORM_PACK32, ISL_FORMAT_B10G10R10A2_SNORM),
 107    fmt(VK_FORMAT_A2R10G10B10_USCALED_PACK32, ISL_FORMAT_B10G10R10A2_USCALED),
 108    fmt(VK_FORMAT_A2R10G10B10_SSCALED_PACK32, ISL_FORMAT_B10G10R10A2_SSCALED),
 109    fmt(VK_FORMAT_A2R10G10B10_UINT_PACK32, ISL_FORMAT_B10G10R10A2_UINT),
 110    fmt(VK_FORMAT_A2R10G10B10_SINT_PACK32, ISL_FORMAT_B10G10R10A2_SINT),
 111    fmt(VK_FORMAT_A2B10G10R10_UNORM_PACK32, ISL_FORMAT_R10G10B10A2_UNORM),
 112    fmt(VK_FORMAT_A2B10G10R10_SNORM_PACK32, ISL_FORMAT_R10G10B10A2_SNORM),
 113    fmt(VK_FORMAT_A2B10G10R10_USCALED_PACK32, ISL_FORMAT_R10G10B10A2_USCALED),
 114    fmt(VK_FORMAT_A2B10G10R10_SSCALED_PACK32, ISL_FORMAT_R10G10B10A2_SSCALED),
 115    fmt(VK_FORMAT_A2B10G10R10_UINT_PACK32, ISL_FORMAT_R10G10B10A2_UINT),
 116    fmt(VK_FORMAT_A2B10G10R10_SINT_PACK32, ISL_FORMAT_R10G10B10A2_SINT),
 117    fmt(VK_FORMAT_R16_UNORM,               ISL_FORMAT_R16_UNORM),
 118    fmt(VK_FORMAT_R16_SNORM,               ISL_FORMAT_R16_SNORM),
 119    fmt(VK_FORMAT_R16_USCALED,             ISL_FORMAT_R16_USCALED),
 120    fmt(VK_FORMAT_R16_SSCALED,             ISL_FORMAT_R16_SSCALED),
 121    fmt(VK_FORMAT_R16_UINT,                ISL_FORMAT_R16_UINT),
 122    fmt(VK_FORMAT_R16_SINT,                ISL_FORMAT_R16_SINT),
 123    fmt(VK_FORMAT_R16_SFLOAT,              ISL_FORMAT_R16_FLOAT),
 124    fmt(VK_FORMAT_R16G16_UNORM,            ISL_FORMAT_R16G16_UNORM),
 125    fmt(VK_FORMAT_R16G16_SNORM,            ISL_FORMAT_R16G16_SNORM),
 126    fmt(VK_FORMAT_R16G16_USCALED,          ISL_FORMAT_R16G16_USCALED),
 127    fmt(VK_FORMAT_R16G16_SSCALED,          ISL_FORMAT_R16G16_SSCALED),
 128    fmt(VK_FORMAT_R16G16_UINT,             ISL_FORMAT_R16G16_UINT),
 129    fmt(VK_FORMAT_R16G16_SINT,             ISL_FORMAT_R16G16_SINT),
 130    fmt(VK_FORMAT_R16G16_SFLOAT,           ISL_FORMAT_R16G16_FLOAT),
 131    fmt(VK_FORMAT_R16G16B16_UNORM,         ISL_FORMAT_R16G16B16_UNORM),
 132    fmt(VK_FORMAT_R16G16B16_SNORM,         ISL_FORMAT_R16G16B16_SNORM),
 133    fmt(VK_FORMAT_R16G16B16_USCALED,       ISL_FORMAT_R16G16B16_USCALED),
 134    fmt(VK_FORMAT_R16G16B16_SSCALED,       ISL_FORMAT_R16G16B16_SSCALED),
 135    fmt(VK_FORMAT_R16G16B16_UINT,          ISL_FORMAT_R16G16B16_UINT),
 136    fmt(VK_FORMAT_R16G16B16_SINT,          ISL_FORMAT_R16G16B16_SINT),
 137    fmt(VK_FORMAT_R16G16B16_SFLOAT,        ISL_FORMAT_R16G16B16_FLOAT),
 138    fmt(VK_FORMAT_R16G16B16A16_UNORM,      ISL_FORMAT_R16G16B16A16_UNORM),
 139    fmt(VK_FORMAT_R16G16B16A16_SNORM,      ISL_FORMAT_R16G16B16A16_SNORM),
 140    fmt(VK_FORMAT_R16G16B16A16_USCALED,    ISL_FORMAT_R16G16B16A16_USCALED),
 141    fmt(VK_FORMAT_R16G16B16A16_SSCALED,    ISL_FORMAT_R16G16B16A16_SSCALED),
 142    fmt(VK_FORMAT_R16G16B16A16_UINT,       ISL_FORMAT_R16G16B16A16_UINT),
 143    fmt(VK_FORMAT_R16G16B16A16_SINT,       ISL_FORMAT_R16G16B16A16_SINT),
 144    fmt(VK_FORMAT_R16G16B16A16_SFLOAT,     ISL_FORMAT_R16G16B16A16_FLOAT),
 145    fmt(VK_FORMAT_R32_UINT,                ISL_FORMAT_R32_UINT),
 146    fmt(VK_FORMAT_R32_SINT,                ISL_FORMAT_R32_SINT),
 147    fmt(VK_FORMAT_R32_SFLOAT,              ISL_FORMAT_R32_FLOAT),
 148    fmt(VK_FORMAT_R32G32_UINT,             ISL_FORMAT_R32G32_UINT),
 149    fmt(VK_FORMAT_R32G32_SINT,             ISL_FORMAT_R32G32_SINT),
 150    fmt(VK_FORMAT_R32G32_SFLOAT,           ISL_FORMAT_R32G32_FLOAT),
 151    fmt(VK_FORMAT_R32G32B32_UINT,          ISL_FORMAT_R32G32B32_UINT),
 152    fmt(VK_FORMAT_R32G32B32_SINT,          ISL_FORMAT_R32G32B32_SINT),
 153    fmt(VK_FORMAT_R32G32B32_SFLOAT,        ISL_FORMAT_R32G32B32_FLOAT),
 154    fmt(VK_FORMAT_R32G32B32A32_UINT,       ISL_FORMAT_R32G32B32A32_UINT),
 155    fmt(VK_FORMAT_R32G32B32A32_SINT,       ISL_FORMAT_R32G32B32A32_SINT),
 156    fmt(VK_FORMAT_R32G32B32A32_SFLOAT,     ISL_FORMAT_R32G32B32A32_FLOAT),
 157    fmt(VK_FORMAT_R64_UINT,                ISL_FORMAT_R64_PASSTHRU),
 158    fmt(VK_FORMAT_R64_SINT,                ISL_FORMAT_R64_PASSTHRU),
 159    fmt(VK_FORMAT_R64_SFLOAT,              ISL_FORMAT_R64_PASSTHRU),
 160    fmt(VK_FORMAT_R64G64_UINT,             ISL_FORMAT_R64G64_PASSTHRU),
 161    fmt(VK_FORMAT_R64G64_SINT,             ISL_FORMAT_R64G64_PASSTHRU),
 162    fmt(VK_FORMAT_R64G64_SFLOAT,           ISL_FORMAT_R64G64_PASSTHRU),
 163    fmt(VK_FORMAT_R64G64B64_UINT,          ISL_FORMAT_R64G64B64_PASSTHRU),
 164    fmt(VK_FORMAT_R64G64B64_SINT,          ISL_FORMAT_R64G64B64_PASSTHRU),
 165    fmt(VK_FORMAT_R64G64B64_SFLOAT,        ISL_FORMAT_R64G64B64_PASSTHRU),
 166    fmt(VK_FORMAT_R64G64B64A64_UINT,       ISL_FORMAT_R64G64B64A64_PASSTHRU),
 167    fmt(VK_FORMAT_R64G64B64A64_SINT,       ISL_FORMAT_R64G64B64A64_PASSTHRU),
 168    fmt(VK_FORMAT_R64G64B64A64_SFLOAT,     ISL_FORMAT_R64G64B64A64_PASSTHRU),
 169    fmt(VK_FORMAT_B10G11R11_UFLOAT_PACK32, ISL_FORMAT_R11G11B10_FLOAT),
 170    fmt(VK_FORMAT_E5B9G9R9_UFLOAT_PACK32,  ISL_FORMAT_R9G9B9E5_SHAREDEXP),
 171
 172    fmt(VK_FORMAT_D16_UNORM,               ISL_FORMAT_R16_UNORM),
 173    fmt(VK_FORMAT_X8_D24_UNORM_PACK32,     ISL_FORMAT_R24_UNORM_X8_TYPELESS),
 174    fmt(VK_FORMAT_D32_SFLOAT,              ISL_FORMAT_R32_FLOAT),
 175    fmt(VK_FORMAT_S8_UINT,                 ISL_FORMAT_R8_UINT),
 176    fmt(VK_FORMAT_D16_UNORM_S8_UINT,       ISL_FORMAT_UNSUPPORTED),
 177    fmt(VK_FORMAT_D24_UNORM_S8_UINT,       ISL_FORMAT_R24_UNORM_X8_TYPELESS),
 178    fmt(VK_FORMAT_D32_SFLOAT_S8_UINT,      ISL_FORMAT_R32_FLOAT),
 179
 180    fmt(VK_FORMAT_BC1_RGB_UNORM_BLOCK,     ISL_FORMAT_DXT1_RGB),
 181    fmt(VK_FORMAT_BC1_RGB_SRGB_BLOCK,      ISL_FORMAT_DXT1_RGB_SRGB),
 182    fmt(VK_FORMAT_BC1_RGBA_UNORM_BLOCK,    ISL_FORMAT_BC1_UNORM),
 183    fmt(VK_FORMAT_BC1_RGBA_SRGB_BLOCK,     ISL_FORMAT_BC1_UNORM_SRGB),
 184    fmt(VK_FORMAT_BC2_UNORM_BLOCK,         ISL_FORMAT_BC2_UNORM),
 185    fmt(VK_FORMAT_BC2_SRGB_BLOCK,          ISL_FORMAT_BC2_UNORM_SRGB),
 186    fmt(VK_FORMAT_BC3_UNORM_BLOCK,         ISL_FORMAT_BC3_UNORM),
 187    fmt(VK_FORMAT_BC3_SRGB_BLOCK,          ISL_FORMAT_BC3_UNORM_SRGB),
 188    fmt(VK_FORMAT_BC4_UNORM_BLOCK,         ISL_FORMAT_BC4_UNORM),
 189    fmt(VK_FORMAT_BC4_SNORM_BLOCK,         ISL_FORMAT_BC4_SNORM),
 190    fmt(VK_FORMAT_BC5_UNORM_BLOCK,         ISL_FORMAT_BC5_UNORM),
 191    fmt(VK_FORMAT_BC5_SNORM_BLOCK,         ISL_FORMAT_BC5_SNORM),
 192    fmt(VK_FORMAT_BC6H_UFLOAT_BLOCK,       ISL_FORMAT_BC6H_UF16),
 193    fmt(VK_FORMAT_BC6H_SFLOAT_BLOCK,       ISL_FORMAT_BC6H_SF16),
 194    fmt(VK_FORMAT_BC7_UNORM_BLOCK,         ISL_FORMAT_BC7_UNORM),
 195    fmt(VK_FORMAT_BC7_SRGB_BLOCK,          ISL_FORMAT_BC7_UNORM_SRGB),
 196    fmt(VK_FORMAT_ETC2_R8G8B8_UNORM_BLOCK, ISL_FORMAT_ETC2_RGB8),
 197    fmt(VK_FORMAT_ETC2_R8G8B8_SRGB_BLOCK,  ISL_FORMAT_ETC2_SRGB8),
 198    fmt(VK_FORMAT_ETC2_R8G8B8A1_UNORM_BLOCK, ISL_FORMAT_ETC2_RGB8_PTA),
 199    fmt(VK_FORMAT_ETC2_R8G8B8A1_SRGB_BLOCK, ISL_FORMAT_ETC2_SRGB8_PTA),
 200    fmt(VK_FORMAT_ETC2_R8G8B8A8_UNORM_BLOCK, ISL_FORMAT_ETC2_EAC_RGBA8),
 201    fmt(VK_FORMAT_ETC2_R8G8B8A8_SRGB_BLOCK, ISL_FORMAT_ETC2_EAC_SRGB8_A8),
 202    fmt(VK_FORMAT_EAC_R11_UNORM_BLOCK,     ISL_FORMAT_EAC_R11),
 203    fmt(VK_FORMAT_EAC_R11_SNORM_BLOCK,     ISL_FORMAT_EAC_SIGNED_R11),
 204    fmt(VK_FORMAT_EAC_R11G11_UNORM_BLOCK,  ISL_FORMAT_EAC_RG11),
 205    fmt(VK_FORMAT_EAC_R11G11_SNORM_BLOCK,  ISL_FORMAT_EAC_SIGNED_RG11),
 206    fmt(VK_FORMAT_ASTC_4x4_SRGB_BLOCK,     ISL_FORMAT_ASTC_LDR_2D_4X4_U8SRGB),
 207    fmt(VK_FORMAT_ASTC_5x4_SRGB_BLOCK,     ISL_FORMAT_ASTC_LDR_2D_5X4_U8SRGB),
 208    fmt(VK_FORMAT_ASTC_5x5_SRGB_BLOCK,     ISL_FORMAT_ASTC_LDR_2D_5X5_U8SRGB),
 209    fmt(VK_FORMAT_ASTC_6x5_SRGB_BLOCK,     ISL_FORMAT_ASTC_LDR_2D_6X5_U8SRGB),
 210    fmt(VK_FORMAT_ASTC_6x6_SRGB_BLOCK,     ISL_FORMAT_ASTC_LDR_2D_6X6_U8SRGB),
 211    fmt(VK_FORMAT_ASTC_8x5_SRGB_BLOCK,     ISL_FORMAT_ASTC_LDR_2D_8X5_U8SRGB),
 212    fmt(VK_FORMAT_ASTC_8x6_SRGB_BLOCK,     ISL_FORMAT_ASTC_LDR_2D_8X6_U8SRGB),
 213    fmt(VK_FORMAT_ASTC_8x8_SRGB_BLOCK,     ISL_FORMAT_ASTC_LDR_2D_8X8_U8SRGB),
 214    fmt(VK_FORMAT_ASTC_10x5_SRGB_BLOCK,    ISL_FORMAT_ASTC_LDR_2D_10X5_U8SRGB),
 215    fmt(VK_FORMAT_ASTC_10x6_SRGB_BLOCK,    ISL_FORMAT_ASTC_LDR_2D_10X6_U8SRGB),
 216    fmt(VK_FORMAT_ASTC_10x8_SRGB_BLOCK,    ISL_FORMAT_ASTC_LDR_2D_10X8_U8SRGB),
 217    fmt(VK_FORMAT_ASTC_10x10_SRGB_BLOCK,   ISL_FORMAT_ASTC_LDR_2D_10X10_U8SRGB),
 218    fmt(VK_FORMAT_ASTC_12x10_SRGB_BLOCK,   ISL_FORMAT_ASTC_LDR_2D_12X10_U8SRGB),
 219    fmt(VK_FORMAT_ASTC_12x12_SRGB_BLOCK,   ISL_FORMAT_ASTC_LDR_2D_12X12_U8SRGB),
 220    fmt(VK_FORMAT_ASTC_4x4_UNORM_BLOCK,    ISL_FORMAT_ASTC_LDR_2D_4X4_FLT16),
 221    fmt(VK_FORMAT_ASTC_5x4_UNORM_BLOCK,    ISL_FORMAT_ASTC_LDR_2D_5X4_FLT16),
 222    fmt(VK_FORMAT_ASTC_5x5_UNORM_BLOCK,    ISL_FORMAT_ASTC_LDR_2D_5X5_FLT16),
 223    fmt(VK_FORMAT_ASTC_6x5_UNORM_BLOCK,    ISL_FORMAT_ASTC_LDR_2D_6X5_FLT16),
 224    fmt(VK_FORMAT_ASTC_6x6_UNORM_BLOCK,    ISL_FORMAT_ASTC_LDR_2D_6X6_FLT16),
 225    fmt(VK_FORMAT_ASTC_8x5_UNORM_BLOCK,    ISL_FORMAT_ASTC_LDR_2D_8X5_FLT16),
 226    fmt(VK_FORMAT_ASTC_8x6_UNORM_BLOCK,    ISL_FORMAT_ASTC_LDR_2D_8X6_FLT16),
 227    fmt(VK_FORMAT_ASTC_8x8_UNORM_BLOCK,    ISL_FORMAT_ASTC_LDR_2D_8X8_FLT16),
 228    fmt(VK_FORMAT_ASTC_10x5_UNORM_BLOCK,   ISL_FORMAT_ASTC_LDR_2D_10X5_FLT16),
 229    fmt(VK_FORMAT_ASTC_10x6_UNORM_BLOCK,   ISL_FORMAT_ASTC_LDR_2D_10X6_FLT16),
 230    fmt(VK_FORMAT_ASTC_10x8_UNORM_BLOCK,   ISL_FORMAT_ASTC_LDR_2D_10X8_FLT16),
 231    fmt(VK_FORMAT_ASTC_10x10_UNORM_BLOCK,  ISL_FORMAT_ASTC_LDR_2D_10X10_FLT16),
 232    fmt(VK_FORMAT_ASTC_12x10_UNORM_BLOCK,  ISL_FORMAT_ASTC_LDR_2D_12X10_FLT16),
 233    fmt(VK_FORMAT_ASTC_12x12_UNORM_BLOCK,  ISL_FORMAT_ASTC_LDR_2D_12X12_FLT16),
 234    fmt(VK_FORMAT_B8G8R8_UNORM,            ISL_FORMAT_UNSUPPORTED),
 235    fmt(VK_FORMAT_B8G8R8_SNORM,            ISL_FORMAT_UNSUPPORTED),
 236    fmt(VK_FORMAT_B8G8R8_USCALED,          ISL_FORMAT_UNSUPPORTED),
 237    fmt(VK_FORMAT_B8G8R8_SSCALED,          ISL_FORMAT_UNSUPPORTED),
 238    fmt(VK_FORMAT_B8G8R8_UINT,             ISL_FORMAT_UNSUPPORTED),
 239    fmt(VK_FORMAT_B8G8R8_SINT,             ISL_FORMAT_UNSUPPORTED),
 240    fmt(VK_FORMAT_B8G8R8_SRGB,             ISL_FORMAT_UNSUPPORTED),
 241    fmt(VK_FORMAT_B8G8R8A8_UNORM,          ISL_FORMAT_B8G8R8A8_UNORM),
 242    fmt(VK_FORMAT_B8G8R8A8_SNORM,          ISL_FORMAT_UNSUPPORTED),
 243    fmt(VK_FORMAT_B8G8R8A8_USCALED,        ISL_FORMAT_UNSUPPORTED),
 244    fmt(VK_FORMAT_B8G8R8A8_SSCALED,        ISL_FORMAT_UNSUPPORTED),
 245    fmt(VK_FORMAT_B8G8R8A8_UINT,           ISL_FORMAT_UNSUPPORTED),
 246    fmt(VK_FORMAT_B8G8R8A8_SINT,           ISL_FORMAT_UNSUPPORTED),
 247    fmt(VK_FORMAT_B8G8R8A8_SRGB,           ISL_FORMAT_B8G8R8A8_UNORM_SRGB),
 248 };
 249
 250 #undef fmt
 251
 252 /**
 253  * Exactly one bit must be set in \a aspect.
 254  */
 255 struct anv_format
 256 anv_get_format(const struct gen_device_info *devinfo, VkFormat vk_format,
 257                VkImageAspectFlags aspect, VkImageTiling tiling)
 258 {
 259    struct anv_format format = anv_formats[vk_format];
 260
 261    if (format.isl_format == ISL_FORMAT_UNSUPPORTED)
 262       return format;
 263
 264    if (aspect == VK_IMAGE_ASPECT_STENCIL_BIT) {
 265       assert(vk_format_aspects(vk_format) & VK_IMAGE_ASPECT_STENCIL_BIT);
 266       format.isl_format = ISL_FORMAT_R8_UINT;
 267       return format;
 268    }
 269
 270    if (aspect & VK_IMAGE_ASPECT_DEPTH_BIT) {
 271       assert(vk_format_aspects(vk_format) & VK_IMAGE_ASPECT_DEPTH_BIT);
 272       return format;
 273    }
 274
 275    assert(aspect == VK_IMAGE_ASPECT_COLOR_BIT);
 276    assert(vk_format_aspects(vk_format) == VK_IMAGE_ASPECT_COLOR_BIT);
 277
 278    const struct isl_format_layout *isl_layout =
 279       isl_format_get_layout(format.isl_format);
 280
 281    if (tiling == VK_IMAGE_TILING_OPTIMAL &&
 282        !util_is_power_of_two(isl_layout->bpb)) {
 283       /* Tiled formats *must* be power-of-two because we need up upload
 284        * them with the render pipeline.  For 3-channel formats, we fix
 285        * this by switching them over to RGBX or RGBA formats under the
 286        * hood.
 287        */
 288       enum isl_format rgbx = isl_format_rgb_to_rgbx(format.isl_format);
 289       if (rgbx != ISL_FORMAT_UNSUPPORTED &&
 290           isl_format_supports_rendering(devinfo, rgbx)) {
 291          format.isl_format = rgbx;
 292       } else {
 293          format.isl_format = isl_format_rgb_to_rgba(format.isl_format);
 294          format.swizzle = ISL_SWIZZLE(RED, GREEN, BLUE, ONE);
 295       }
 296    }
 297
 298    /* The B4G4R4A4 format isn't available prior to Broadwell so we have to fall
 299     * back to a format with a more complex swizzle.
 300     */
 301    if (vk_format == VK_FORMAT_B4G4R4A4_UNORM_PACK16 && devinfo->gen < 8) {
 302       return (struct anv_format) {
 303          .isl_format = ISL_FORMAT_B4G4R4A4_UNORM,
 304          .swizzle = ISL_SWIZZLE(GREEN, RED, ALPHA, BLUE),
 305       };
 306    }
 307
 308    return format;
 309 }
 310
 311 // Format capabilities
 312
 313 static VkFormatFeatureFlags
 314 get_image_format_properties(const struct gen_device_info *devinfo,
 315                             enum isl_format base, struct anv_format format)
 316 {
 317    if (format.isl_format == ISL_FORMAT_UNSUPPORTED)
 318       return 0;
 319
 320    VkFormatFeatureFlags flags = 0;
 321    if (isl_format_supports_sampling(devinfo, format.isl_format)) {
 322       flags |= VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT |
 323                VK_FORMAT_FEATURE_BLIT_SRC_BIT;
 324
 325       if (isl_format_supports_filtering(devinfo, format.isl_format))
 326          flags |= VK_FORMAT_FEATURE_SAMPLED_IMAGE_FILTER_LINEAR_BIT;
 327    }
 328
 329    /* We can render to swizzled formats.  However, if the alpha channel is
 330     * moved, then blending won't work correctly.  The PRM tells us
 331     * straight-up not to render to such a surface.
 332     */
 333    if (isl_format_supports_rendering(devinfo, format.isl_format) &&
 334        format.swizzle.a == ISL_CHANNEL_SELECT_ALPHA) {
 335       flags |= VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT |
 336                VK_FORMAT_FEATURE_BLIT_DST_BIT;
 337
 338       if (isl_format_supports_alpha_blending(devinfo, format.isl_format))
 339          flags |= VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BLEND_BIT;
 340    }
 341
 342    /* Load/store is determined based on base format.  This prevents RGB
 343     * formats from showing up as load/store capable.
 344     */
 345    if (isl_is_storage_image_format(base))
 346       flags |= VK_FORMAT_FEATURE_STORAGE_IMAGE_BIT;
 347
 348    if (base == ISL_FORMAT_R32_SINT || base == ISL_FORMAT_R32_UINT)
 349       flags |= VK_FORMAT_FEATURE_STORAGE_IMAGE_ATOMIC_BIT;
 350
 351    if (flags) {
 352       flags |= VK_FORMAT_FEATURE_TRANSFER_SRC_BIT_KHR |
 353                VK_FORMAT_FEATURE_TRANSFER_DST_BIT_KHR;
 354    }
 355
 356    return flags;
 357 }
 358
 359 static VkFormatFeatureFlags
 360 get_buffer_format_properties(const struct gen_device_info *devinfo,
 361                              enum isl_format format)
 362 {
 363    if (format == ISL_FORMAT_UNSUPPORTED)
 364       return 0;
 365
 366    VkFormatFeatureFlags flags = 0;
 367    if (isl_format_supports_sampling(devinfo, format) &&
 368        !isl_format_is_compressed(format))
 369       flags |= VK_FORMAT_FEATURE_UNIFORM_TEXEL_BUFFER_BIT;
 370
 371    if (isl_format_supports_vertex_fetch(devinfo, format))
 372       flags |= VK_FORMAT_FEATURE_VERTEX_BUFFER_BIT;
 373
 374    if (isl_is_storage_image_format(format))
 375       flags |= VK_FORMAT_FEATURE_STORAGE_TEXEL_BUFFER_BIT;
 376
 377    if (format == ISL_FORMAT_R32_SINT || format == ISL_FORMAT_R32_UINT)
 378       flags |= VK_FORMAT_FEATURE_STORAGE_TEXEL_BUFFER_ATOMIC_BIT;
 379
 380    if (flags) {
 381       flags |= VK_FORMAT_FEATURE_TRANSFER_SRC_BIT_KHR |
 382                VK_FORMAT_FEATURE_TRANSFER_DST_BIT_KHR;
 383    }
 384
 385    return flags;
 386 }
 387
 388 static void
 389 anv_physical_device_get_format_properties(struct anv_physical_device *physical_device,
 390                                           VkFormat format,
 391                                           VkFormatProperties *out_properties)
 392 {
 393    int gen = physical_device->info.gen * 10;
 394    if (physical_device->info.is_haswell)
 395       gen += 5;
 396
 397    VkFormatFeatureFlags linear = 0, tiled = 0, buffer = 0;
 398    if (anv_formats[format].isl_format == ISL_FORMAT_UNSUPPORTED) {
 399       /* Nothing to do here */
 400    } else if (vk_format_is_depth_or_stencil(format)) {
 401       tiled |= VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT;
 402       if (physical_device->info.gen >= 8)
 403          tiled |= VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT;
 404
 405       tiled |= VK_FORMAT_FEATURE_BLIT_SRC_BIT |
 406                VK_FORMAT_FEATURE_BLIT_DST_BIT |
 407                VK_FORMAT_FEATURE_TRANSFER_SRC_BIT_KHR |
 408                VK_FORMAT_FEATURE_TRANSFER_DST_BIT_KHR;
 409    } else {
 410       struct anv_format linear_fmt, tiled_fmt;
 411       linear_fmt = anv_get_format(&physical_device->info, format,
 412                                   VK_IMAGE_ASPECT_COLOR_BIT,
 413                                   VK_IMAGE_TILING_LINEAR);
 414       tiled_fmt = anv_get_format(&physical_device->info, format,
 415                                  VK_IMAGE_ASPECT_COLOR_BIT,
 416                                  VK_IMAGE_TILING_OPTIMAL);
 417
 418       linear = get_image_format_properties(&physical_device->info,
 419                                            linear_fmt.isl_format, linear_fmt);
 420       tiled = get_image_format_properties(&physical_device->info,
 421                                           linear_fmt.isl_format, tiled_fmt);
 422       buffer = get_buffer_format_properties(&physical_device->info,
 423                                             linear_fmt.isl_format);
 424
 425       /* XXX: We handle 3-channel formats by switching them out for RGBX or
 426        * RGBA formats behind-the-scenes.  This works fine for textures
 427        * because the upload process will fill in the extra channel.
 428        * We could also support it for render targets, but it will take
 429        * substantially more work and we have enough RGBX formats to handle
 430        * what most clients will want.
 431        */
 432       if (linear_fmt.isl_format != ISL_FORMAT_UNSUPPORTED &&
 433           !util_is_power_of_two(isl_format_layouts[linear_fmt.isl_format].bpb) &&
 434           isl_format_rgb_to_rgbx(linear_fmt.isl_format) == ISL_FORMAT_UNSUPPORTED) {
 435          tiled &= ~VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT &
 436                   ~VK_FORMAT_FEATURE_BLIT_DST_BIT;
 437       }
 438
 439       /* ASTC textures must be in Y-tiled memory */
 440       if (isl_format_get_layout(linear_fmt.isl_format)->txc == ISL_TXC_ASTC)
 441          linear = 0;
 442    }
 443
 444    out_properties->linearTilingFeatures = linear;
 445    out_properties->optimalTilingFeatures = tiled;
 446    out_properties->bufferFeatures = buffer;
 447
 448    return;
 449 }
 450
 451
 452 void anv_GetPhysicalDeviceFormatProperties(
 453     VkPhysicalDevice                            physicalDevice,
 454     VkFormat                                    format,
 455     VkFormatProperties*                         pFormatProperties)
 456 {
 457    ANV_FROM_HANDLE(anv_physical_device, physical_device, physicalDevice);
 458
 459    anv_physical_device_get_format_properties(
 460                physical_device,
 461                format,
 462                pFormatProperties);
 463 }
 464
 465 static VkResult
 466 anv_get_image_format_properties(
 467    struct anv_physical_device *physical_device,
 468    const VkPhysicalDeviceImageFormatInfo2KHR *info,
 469    VkImageFormatProperties *pImageFormatProperties)
 470 {
 471    VkFormatProperties format_props;
 472    VkFormatFeatureFlags format_feature_flags;
 473    VkExtent3D maxExtent;
 474    uint32_t maxMipLevels;
 475    uint32_t maxArraySize;
 476    VkSampleCountFlags sampleCounts = VK_SAMPLE_COUNT_1_BIT;
 477
 478    if (anv_formats[info->format].isl_format == ISL_FORMAT_UNSUPPORTED)
 479       goto unsupported;
 480
 481    anv_physical_device_get_format_properties(physical_device, info->format,
 482                                              &format_props);
 483
 484    /* Extract the VkFormatFeatureFlags that are relevant for the queried
 485     * tiling.
 486     */
 487    if (info->tiling == VK_IMAGE_TILING_LINEAR) {
 488       format_feature_flags = format_props.linearTilingFeatures;
 489    } else if (info->tiling == VK_IMAGE_TILING_OPTIMAL) {
 490       format_feature_flags = format_props.optimalTilingFeatures;
 491    } else {
 492       unreachable("bad VkImageTiling");
 493    }
 494
 495    switch (info->type) {
 496    default:
 497       unreachable("bad VkImageType");
 498    case VK_IMAGE_TYPE_1D:
 499       maxExtent.width = 16384;
 500       maxExtent.height = 1;
 501       maxExtent.depth = 1;
 502       maxMipLevels = 15; /* log2(maxWidth) + 1 */
 503       maxArraySize = 2048;
 504       sampleCounts = VK_SAMPLE_COUNT_1_BIT;
 505       break;
 506    case VK_IMAGE_TYPE_2D:
 507       /* FINISHME: Does this really differ for cube maps? The documentation
 508        * for RENDER_SURFACE_STATE suggests so.
 509        */
 510       maxExtent.width = 16384;
 511       maxExtent.height = 16384;
 512       maxExtent.depth = 1;
 513       maxMipLevels = 15; /* log2(maxWidth) + 1 */
 514       maxArraySize = 2048;
 515       break;
 516    case VK_IMAGE_TYPE_3D:
 517       maxExtent.width = 2048;
 518       maxExtent.height = 2048;
 519       maxExtent.depth = 2048;
 520       maxMipLevels = 12; /* log2(maxWidth) + 1 */
 521       maxArraySize = 1;
 522       break;
 523    }
 524
 525    /* Our hardware doesn't support 1D compressed textures.
 526     *    From the SKL PRM, RENDER_SURFACE_STATE::SurfaceFormat:
 527     *    * This field cannot be a compressed (BC*, DXT*, FXT*, ETC*, EAC*) format
 528     *       if the Surface Type is SURFTYPE_1D.
 529     *    * This field cannot be ASTC format if the Surface Type is SURFTYPE_1D.
 530     */
 531    if (info->type == VK_IMAGE_TYPE_1D &&
 532        isl_format_is_compressed(anv_formats[info->format].isl_format)) {
 533        goto unsupported;
 534    }
 535
 536    if (info->tiling == VK_IMAGE_TILING_OPTIMAL &&
 537        info->type == VK_IMAGE_TYPE_2D &&
 538        (format_feature_flags & (VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT |
 539                                 VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT)) &&
 540        !(info->flags & VK_IMAGE_CREATE_CUBE_COMPATIBLE_BIT) &&
 541        !(info->usage & VK_IMAGE_USAGE_STORAGE_BIT)) {
 542       sampleCounts = isl_device_get_sample_counts(&physical_device->isl_dev);
 543    }
 544
 545    if (info->usage & (VK_IMAGE_USAGE_TRANSFER_SRC_BIT |
 546                       VK_IMAGE_USAGE_TRANSFER_DST_BIT)) {
 547       /* Accept transfers on anything we can sample from or renderer to. */
 548       if (!(format_feature_flags & (VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT |
 549                                     VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT |
 550                                     VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT))) {
 551          goto unsupported;
 552       }
 553    }
 554
 555    if (info->usage & VK_IMAGE_USAGE_SAMPLED_BIT) {
 556       if (!(format_feature_flags & VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT)) {
 557          goto unsupported;
 558       }
 559    }
 560
 561    if (info->usage & VK_IMAGE_USAGE_STORAGE_BIT) {
 562       if (!(format_feature_flags & VK_FORMAT_FEATURE_STORAGE_IMAGE_BIT)) {
 563          goto unsupported;
 564       }
 565    }
 566
 567    if (info->usage & VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT) {
 568       if (!(format_feature_flags & VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT)) {
 569          goto unsupported;
 570       }
 571    }
 572
 573    if (info->usage & VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT) {
 574       if (!(format_feature_flags & VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT)) {
 575          goto unsupported;
 576       }
 577    }
 578
 579    if (info->usage & VK_IMAGE_USAGE_TRANSIENT_ATTACHMENT_BIT) {
 580       /* Nothing to check. */
 581    }
 582
 583    if (info->usage & VK_IMAGE_USAGE_INPUT_ATTACHMENT_BIT) {
 584       /* Ignore this flag because it was removed from the
 585        * provisional_I_20150910 header.
 586        */
 587    }
 588
 589    *pImageFormatProperties = (VkImageFormatProperties) {
 590       .maxExtent = maxExtent,
 591       .maxMipLevels = maxMipLevels,
 592       .maxArrayLayers = maxArraySize,
 593       .sampleCounts = sampleCounts,
 594
 595       /* FINISHME: Accurately calculate
 596        * VkImageFormatProperties::maxResourceSize.
 597        */
 598       .maxResourceSize = UINT32_MAX,
 599    };
 600
 601    return VK_SUCCESS;
 602
 603 unsupported:
 604    *pImageFormatProperties = (VkImageFormatProperties) {
 605       .maxExtent = { 0, 0, 0 },
 606       .maxMipLevels = 0,
 607       .maxArrayLayers = 0,
 608       .sampleCounts = 0,
 609       .maxResourceSize = 0,
 610    };
 611
 612    return VK_ERROR_FORMAT_NOT_SUPPORTED;
 613 }
 614
 615 VkResult anv_GetPhysicalDeviceImageFormatProperties(
 616     VkPhysicalDevice                            physicalDevice,
 617     VkFormat                                    format,
 618     VkImageType                                 type,
 619     VkImageTiling                               tiling,
 620     VkImageUsageFlags                           usage,
 621     VkImageCreateFlags                          createFlags,
 622     VkImageFormatProperties*                    pImageFormatProperties)
 623 {
 624    ANV_FROM_HANDLE(anv_physical_device, physical_device, physicalDevice);
 625
 626    const VkPhysicalDeviceImageFormatInfo2KHR info = {
 627       .sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_IMAGE_FORMAT_INFO_2_KHR,
 628       .pNext = NULL,
 629       .format = format,
 630       .type = type,
 631       .tiling = tiling,
 632       .usage = usage,
 633       .flags = createFlags,
 634    };
 635
 636    return anv_get_image_format_properties(physical_device, &info,
 637                                           pImageFormatProperties);
 638 }
 639
 640 void anv_GetPhysicalDeviceSparseImageFormatProperties(
 641     VkPhysicalDevice                            physicalDevice,
 642     VkFormat                                    format,
 643     VkImageType                                 type,
 644     uint32_t                                    samples,
 645     VkImageUsageFlags                           usage,
 646     VkImageTiling                               tiling,
 647     uint32_t*                                   pNumProperties,
 648     VkSparseImageFormatProperties*              pProperties)
 649 {
 650    /* Sparse images are not yet supported. */
 651    *pNumProperties = 0;
 652 }