src/gallium/drivers/zink/zink_format.c

   1 #include "zink_screen.h"
   2
   3 static const VkFormat formats[PIPE_FORMAT_COUNT] = {
   4 #define MAP_FORMAT_NORM(FMT) \
   5    [PIPE_FORMAT_ ## FMT ## _UNORM] = VK_FORMAT_ ## FMT ## _UNORM, \
   6    [PIPE_FORMAT_ ## FMT ## _SNORM] = VK_FORMAT_ ## FMT ## _SNORM,
   7
   8 #define MAP_FORMAT_SCALED(FMT) \
   9    [PIPE_FORMAT_ ## FMT ## _USCALED] = VK_FORMAT_ ## FMT ## _USCALED, \
  10    [PIPE_FORMAT_ ## FMT ## _SSCALED] = VK_FORMAT_ ## FMT ## _SSCALED,
  11
  12 #define MAP_FORMAT_INT(FMT) \
  13    [PIPE_FORMAT_ ## FMT ## _UINT] = VK_FORMAT_ ## FMT ## _UINT, \
  14    [PIPE_FORMAT_ ## FMT ## _SINT] = VK_FORMAT_ ## FMT ## _SINT,
  15
  16 #define MAP_FORMAT_SRGB(FMT) \
  17    [PIPE_FORMAT_ ## FMT ## _SRGB] = VK_FORMAT_ ## FMT ## _SRGB,
  18
  19 #define MAP_FORMAT_FLOAT(FMT) \
  20    [PIPE_FORMAT_ ## FMT ## _FLOAT] = VK_FORMAT_ ## FMT ## _SFLOAT,
  21
  22    // one component
  23
  24    // 8-bits
  25    MAP_FORMAT_NORM(R8)
  26    MAP_FORMAT_SCALED(R8)
  27    MAP_FORMAT_INT(R8)
  28    // 16-bits
  29    MAP_FORMAT_NORM(R16)
  30    MAP_FORMAT_SCALED(R16)
  31    MAP_FORMAT_INT(R16)
  32    MAP_FORMAT_FLOAT(R16)
  33    // 32-bits
  34    MAP_FORMAT_INT(R32)
  35    MAP_FORMAT_FLOAT(R32)
  36
  37    // two components
  38
  39    // 8-bits
  40    MAP_FORMAT_NORM(R8G8)
  41    MAP_FORMAT_SCALED(R8G8)
  42    MAP_FORMAT_INT(R8G8)
  43    // 16-bits
  44    MAP_FORMAT_NORM(R16G16)
  45    MAP_FORMAT_SCALED(R16G16)
  46    MAP_FORMAT_INT(R16G16)
  47    MAP_FORMAT_FLOAT(R16G16)
  48    // 32-bits
  49    MAP_FORMAT_INT(R32G32)
  50    MAP_FORMAT_FLOAT(R32G32)
  51
  52    // three components
  53
  54    // 8-bits
  55    MAP_FORMAT_NORM(R8G8B8)
  56    MAP_FORMAT_SCALED(R8G8B8)
  57    MAP_FORMAT_INT(R8G8B8)
  58    MAP_FORMAT_SRGB(R8G8B8)
  59    // 16-bits
  60    MAP_FORMAT_NORM(R16G16B16)
  61    MAP_FORMAT_SCALED(R16G16B16)
  62    MAP_FORMAT_INT(R16G16B16)
  63    MAP_FORMAT_FLOAT(R16G16B16)
  64    // 32-bits
  65    MAP_FORMAT_INT(R32G32B32)
  66    MAP_FORMAT_FLOAT(R32G32B32)
  67
  68    // four components
  69
  70    // 8-bits
  71    MAP_FORMAT_NORM(R8G8B8A8)
  72    MAP_FORMAT_SCALED(R8G8B8A8)
  73    MAP_FORMAT_INT(R8G8B8A8)
  74    MAP_FORMAT_SRGB(R8G8B8A8)
  75    [PIPE_FORMAT_B8G8R8A8_UNORM] = VK_FORMAT_B8G8R8A8_UNORM,
  76    [PIPE_FORMAT_B8G8R8X8_UNORM] = VK_FORMAT_B8G8R8A8_UNORM,
  77    MAP_FORMAT_SRGB(B8G8R8A8)
  78    [PIPE_FORMAT_B8G8R8X8_SRGB] = VK_FORMAT_B8G8R8A8_SRGB,
  79    [PIPE_FORMAT_A8B8G8R8_SRGB] = VK_FORMAT_A8B8G8R8_SRGB_PACK32,
  80    // 16-bits
  81    MAP_FORMAT_NORM(R16G16B16A16)
  82    MAP_FORMAT_SCALED(R16G16B16A16)
  83    MAP_FORMAT_INT(R16G16B16A16)
  84    MAP_FORMAT_FLOAT(R16G16B16A16)
  85    // 32-bits
  86    MAP_FORMAT_INT(R32G32B32A32)
  87    MAP_FORMAT_FLOAT(R32G32B32A32)
  88
  89    // other color formats
  90    [PIPE_FORMAT_B5G6R5_UNORM] = VK_FORMAT_R5G6B5_UNORM_PACK16,
  91    [PIPE_FORMAT_B5G5R5A1_UNORM] = VK_FORMAT_B5G5R5A1_UNORM_PACK16,
  92    [PIPE_FORMAT_R11G11B10_FLOAT] = VK_FORMAT_B10G11R11_UFLOAT_PACK32,
  93    [PIPE_FORMAT_R9G9B9E5_FLOAT] = VK_FORMAT_E5B9G9R9_UFLOAT_PACK32,
  94    [PIPE_FORMAT_R10G10B10A2_UNORM] = VK_FORMAT_A2B10G10R10_UNORM_PACK32,
  95    [PIPE_FORMAT_B10G10R10A2_UNORM] = VK_FORMAT_A2R10G10B10_UNORM_PACK32,
  96    [PIPE_FORMAT_R10G10B10A2_UINT] = VK_FORMAT_A2B10G10R10_UINT_PACK32,
  97    [PIPE_FORMAT_B10G10R10A2_UINT] = VK_FORMAT_A2R10G10B10_UINT_PACK32,
  98
  99    // depth/stencil formats
 100    [PIPE_FORMAT_Z32_FLOAT] = VK_FORMAT_D32_SFLOAT,
 101    [PIPE_FORMAT_Z32_FLOAT_S8X24_UINT] = VK_FORMAT_D32_SFLOAT_S8_UINT,
 102    [PIPE_FORMAT_Z16_UNORM] = VK_FORMAT_D16_UNORM,
 103    [PIPE_FORMAT_Z24X8_UNORM] = VK_FORMAT_X8_D24_UNORM_PACK32,
 104    [PIPE_FORMAT_Z24_UNORM_S8_UINT] = VK_FORMAT_D24_UNORM_S8_UINT,
 105
 106    // compressed formats
 107    [PIPE_FORMAT_DXT1_RGB] = VK_FORMAT_BC1_RGB_UNORM_BLOCK,
 108    [PIPE_FORMAT_DXT1_RGBA] = VK_FORMAT_BC1_RGBA_UNORM_BLOCK,
 109    [PIPE_FORMAT_DXT3_RGBA] = VK_FORMAT_BC2_UNORM_BLOCK,
 110    [PIPE_FORMAT_DXT5_RGBA] = VK_FORMAT_BC3_UNORM_BLOCK,
 111    [PIPE_FORMAT_DXT1_SRGB] = VK_FORMAT_BC1_RGB_SRGB_BLOCK,
 112    [PIPE_FORMAT_DXT1_SRGBA] = VK_FORMAT_BC1_RGBA_SRGB_BLOCK,
 113    [PIPE_FORMAT_DXT3_SRGBA] = VK_FORMAT_BC2_SRGB_BLOCK,
 114    [PIPE_FORMAT_DXT5_SRGBA] = VK_FORMAT_BC3_SRGB_BLOCK,
 115
 116    [PIPE_FORMAT_RGTC1_UNORM] = VK_FORMAT_BC4_UNORM_BLOCK,
 117    [PIPE_FORMAT_RGTC1_SNORM] = VK_FORMAT_BC4_SNORM_BLOCK,
 118    [PIPE_FORMAT_RGTC2_UNORM] = VK_FORMAT_BC5_UNORM_BLOCK,
 119    [PIPE_FORMAT_RGTC2_SNORM] = VK_FORMAT_BC5_SNORM_BLOCK,
 120    [PIPE_FORMAT_BPTC_RGBA_UNORM] = VK_FORMAT_BC7_UNORM_BLOCK,
 121    [PIPE_FORMAT_BPTC_SRGBA] = VK_FORMAT_BC7_SRGB_BLOCK,
 122    [PIPE_FORMAT_BPTC_RGB_FLOAT] = VK_FORMAT_BC6H_SFLOAT_BLOCK,
 123    [PIPE_FORMAT_BPTC_RGB_UFLOAT] = VK_FORMAT_BC6H_UFLOAT_BLOCK,
 124 };
 125
 126 bool
 127 zink_is_depth_format_supported(struct zink_screen *screen, VkFormat format)
 128 {
 129    VkFormatProperties props;
 130    vkGetPhysicalDeviceFormatProperties(screen->pdev, format, &props);
 131    return (props.linearTilingFeatures | props.optimalTilingFeatures) &
 132           VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT;
 133 }
 134
 135 VkFormat
 136 zink_get_format(struct zink_screen *screen, enum pipe_format format)
 137 {
 138    VkFormat ret = formats[format];
 139
 140    if (ret == VK_FORMAT_X8_D24_UNORM_PACK32 &&
 141        !screen->have_X8_D24_UNORM_PACK32) {
 142       assert(zink_is_depth_format_supported(screen, VK_FORMAT_D32_SFLOAT));
 143       return VK_FORMAT_D32_SFLOAT;
 144    }
 145
 146    if (ret == VK_FORMAT_D24_UNORM_S8_UINT &&
 147        !screen->have_D24_UNORM_S8_UINT) {
 148       assert(zink_is_depth_format_supported(screen,
 149                                             VK_FORMAT_D32_SFLOAT_S8_UINT));
 150       return VK_FORMAT_D32_SFLOAT_S8_UINT;
 151    }
 152
 153    return ret;
 154 }