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vk_format_utils.cpp
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/* Copyright (c) 2015-2019 The Khronos Group Inc.
* Copyright (c) 2015-2019 Valve Corporation
* Copyright (c) 2015-2019 LunarG, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Author: Mark Lobodzinski <[email protected]>
* Author: Dave Houlton <[email protected]>
*
*/
#include <string.h>
#include <string>
#include <vector>
#include <map>
#include "vulkan/vulkan.h"
#include "vk_format_utils.h"
struct VULKAN_FORMAT_INFO {
uint32_t size;
uint32_t channel_count;
VkFormatCompatibilityClass format_class;
};
// Disable auto-formatting for this large table
// clang-format off
// Set up data structure with size(bytes) and number of channels for each Vulkan format
// For compressed and multi-plane formats, size is bytes per compressed or shared block
const std::map<VkFormat, VULKAN_FORMAT_INFO> vk_format_table = {
{VK_FORMAT_UNDEFINED, {0, 0, VK_FORMAT_COMPATIBILITY_CLASS_NONE_BIT }},
{VK_FORMAT_R4G4_UNORM_PACK8, {1, 2, VK_FORMAT_COMPATIBILITY_CLASS_8_BIT}},
{VK_FORMAT_R4G4B4A4_UNORM_PACK16, {2, 4, VK_FORMAT_COMPATIBILITY_CLASS_16_BIT}},
{VK_FORMAT_B4G4R4A4_UNORM_PACK16, {2, 4, VK_FORMAT_COMPATIBILITY_CLASS_16_BIT}},
{VK_FORMAT_R5G6B5_UNORM_PACK16, {2, 3, VK_FORMAT_COMPATIBILITY_CLASS_16_BIT}},
{VK_FORMAT_B5G6R5_UNORM_PACK16, {2, 3, VK_FORMAT_COMPATIBILITY_CLASS_16_BIT}},
{VK_FORMAT_R5G5B5A1_UNORM_PACK16, {2, 4, VK_FORMAT_COMPATIBILITY_CLASS_16_BIT}},
{VK_FORMAT_B5G5R5A1_UNORM_PACK16, {2, 4, VK_FORMAT_COMPATIBILITY_CLASS_16_BIT}},
{VK_FORMAT_A1R5G5B5_UNORM_PACK16, {2, 4, VK_FORMAT_COMPATIBILITY_CLASS_16_BIT}},
{VK_FORMAT_R8_UNORM, {1, 1, VK_FORMAT_COMPATIBILITY_CLASS_8_BIT}},
{VK_FORMAT_R8_SNORM, {1, 1, VK_FORMAT_COMPATIBILITY_CLASS_8_BIT}},
{VK_FORMAT_R8_USCALED, {1, 1, VK_FORMAT_COMPATIBILITY_CLASS_8_BIT}},
{VK_FORMAT_R8_SSCALED, {1, 1, VK_FORMAT_COMPATIBILITY_CLASS_8_BIT}},
{VK_FORMAT_R8_UINT, {1, 1, VK_FORMAT_COMPATIBILITY_CLASS_8_BIT}},
{VK_FORMAT_R8_SINT, {1, 1, VK_FORMAT_COMPATIBILITY_CLASS_8_BIT}},
{VK_FORMAT_R8_SRGB, {1, 1, VK_FORMAT_COMPATIBILITY_CLASS_8_BIT}},
{VK_FORMAT_R8G8_UNORM, {2, 2, VK_FORMAT_COMPATIBILITY_CLASS_16_BIT}},
{VK_FORMAT_R8G8_SNORM, {2, 2, VK_FORMAT_COMPATIBILITY_CLASS_16_BIT}},
{VK_FORMAT_R8G8_USCALED, {2, 2, VK_FORMAT_COMPATIBILITY_CLASS_16_BIT}},
{VK_FORMAT_R8G8_SSCALED, {2, 2, VK_FORMAT_COMPATIBILITY_CLASS_16_BIT}},
{VK_FORMAT_R8G8_UINT, {2, 2, VK_FORMAT_COMPATIBILITY_CLASS_16_BIT}},
{VK_FORMAT_R8G8_SINT, {2, 2, VK_FORMAT_COMPATIBILITY_CLASS_16_BIT}},
{VK_FORMAT_R8G8_SRGB, {2, 2, VK_FORMAT_COMPATIBILITY_CLASS_16_BIT}},
{VK_FORMAT_R8G8B8_UNORM, {3, 3, VK_FORMAT_COMPATIBILITY_CLASS_24_BIT}},
{VK_FORMAT_R8G8B8_SNORM, {3, 3, VK_FORMAT_COMPATIBILITY_CLASS_24_BIT}},
{VK_FORMAT_R8G8B8_USCALED, {3, 3, VK_FORMAT_COMPATIBILITY_CLASS_24_BIT}},
{VK_FORMAT_R8G8B8_SSCALED, {3, 3, VK_FORMAT_COMPATIBILITY_CLASS_24_BIT}},
{VK_FORMAT_R8G8B8_UINT, {3, 3, VK_FORMAT_COMPATIBILITY_CLASS_24_BIT}},
{VK_FORMAT_R8G8B8_SINT, {3, 3, VK_FORMAT_COMPATIBILITY_CLASS_24_BIT}},
{VK_FORMAT_R8G8B8_SRGB, {3, 3, VK_FORMAT_COMPATIBILITY_CLASS_24_BIT}},
{VK_FORMAT_B8G8R8_UNORM, {3, 3, VK_FORMAT_COMPATIBILITY_CLASS_24_BIT}},
{VK_FORMAT_B8G8R8_SNORM, {3, 3, VK_FORMAT_COMPATIBILITY_CLASS_24_BIT}},
{VK_FORMAT_B8G8R8_USCALED, {3, 3, VK_FORMAT_COMPATIBILITY_CLASS_24_BIT}},
{VK_FORMAT_B8G8R8_SSCALED, {3, 3, VK_FORMAT_COMPATIBILITY_CLASS_24_BIT}},
{VK_FORMAT_B8G8R8_UINT, {3, 3, VK_FORMAT_COMPATIBILITY_CLASS_24_BIT}},
{VK_FORMAT_B8G8R8_SINT, {3, 3, VK_FORMAT_COMPATIBILITY_CLASS_24_BIT}},
{VK_FORMAT_B8G8R8_SRGB, {3, 3, VK_FORMAT_COMPATIBILITY_CLASS_24_BIT}},
{VK_FORMAT_R8G8B8A8_UNORM, {4, 4, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}},
{VK_FORMAT_R8G8B8A8_SNORM, {4, 4, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}},
{VK_FORMAT_R8G8B8A8_USCALED, {4, 4, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}},
{VK_FORMAT_R8G8B8A8_SSCALED, {4, 4, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}},
{VK_FORMAT_R8G8B8A8_UINT, {4, 4, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}},
{VK_FORMAT_R8G8B8A8_SINT, {4, 4, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}},
{VK_FORMAT_R8G8B8A8_SRGB, {4, 4, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}},
{VK_FORMAT_B8G8R8A8_UNORM, {4, 4, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}},
{VK_FORMAT_B8G8R8A8_SNORM, {4, 4, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}},
{VK_FORMAT_B8G8R8A8_USCALED, {4, 4, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}},
{VK_FORMAT_B8G8R8A8_SSCALED, {4, 4, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}},
{VK_FORMAT_B8G8R8A8_UINT, {4, 4, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}},
{VK_FORMAT_B8G8R8A8_SINT, {4, 4, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}},
{VK_FORMAT_B8G8R8A8_SRGB, {4, 4, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}},
{VK_FORMAT_A8B8G8R8_UNORM_PACK32, {4, 4, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}},
{VK_FORMAT_A8B8G8R8_SNORM_PACK32, {4, 4, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}},
{VK_FORMAT_A8B8G8R8_USCALED_PACK32, {4, 4, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}},
{VK_FORMAT_A8B8G8R8_SSCALED_PACK32, {4, 4, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}},
{VK_FORMAT_A8B8G8R8_UINT_PACK32, {4, 4, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}},
{VK_FORMAT_A8B8G8R8_SINT_PACK32, {4, 4, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}},
{VK_FORMAT_A8B8G8R8_SRGB_PACK32, {4, 4, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}},
{VK_FORMAT_A2R10G10B10_UNORM_PACK32, {4, 4, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}},
{VK_FORMAT_A2R10G10B10_SNORM_PACK32, {4, 4, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}},
{VK_FORMAT_A2R10G10B10_USCALED_PACK32, {4, 4, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}},
{VK_FORMAT_A2R10G10B10_SSCALED_PACK32, {4, 4, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}},
{VK_FORMAT_A2R10G10B10_UINT_PACK32, {4, 4, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}},
{VK_FORMAT_A2R10G10B10_SINT_PACK32, {4, 4, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}},
{VK_FORMAT_A2B10G10R10_UNORM_PACK32, {4, 4, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}},
{VK_FORMAT_A2B10G10R10_SNORM_PACK32, {4, 4, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}},
{VK_FORMAT_A2B10G10R10_USCALED_PACK32, {4, 4, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}},
{VK_FORMAT_A2B10G10R10_SSCALED_PACK32, {4, 4, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}},
{VK_FORMAT_A2B10G10R10_UINT_PACK32, {4, 4, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}},
{VK_FORMAT_A2B10G10R10_SINT_PACK32, {4, 4, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}},
{VK_FORMAT_R16_UNORM, {2, 1, VK_FORMAT_COMPATIBILITY_CLASS_16_BIT}},
{VK_FORMAT_R16_SNORM, {2, 1, VK_FORMAT_COMPATIBILITY_CLASS_16_BIT}},
{VK_FORMAT_R16_USCALED, {2, 1, VK_FORMAT_COMPATIBILITY_CLASS_16_BIT}},
{VK_FORMAT_R16_SSCALED, {2, 1, VK_FORMAT_COMPATIBILITY_CLASS_16_BIT}},
{VK_FORMAT_R16_UINT, {2, 1, VK_FORMAT_COMPATIBILITY_CLASS_16_BIT}},
{VK_FORMAT_R16_SINT, {2, 1, VK_FORMAT_COMPATIBILITY_CLASS_16_BIT}},
{VK_FORMAT_R16_SFLOAT, {2, 1, VK_FORMAT_COMPATIBILITY_CLASS_16_BIT}},
{VK_FORMAT_R16G16_UNORM, {4, 2, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}},
{VK_FORMAT_R16G16_SNORM, {4, 2, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}},
{VK_FORMAT_R16G16_USCALED, {4, 2, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}},
{VK_FORMAT_R16G16_SSCALED, {4, 2, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}},
{VK_FORMAT_R16G16_UINT, {4, 2, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}},
{VK_FORMAT_R16G16_SINT, {4, 2, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}},
{VK_FORMAT_R16G16_SFLOAT, {4, 2, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}},
{VK_FORMAT_R16G16B16_UNORM, {6, 3, VK_FORMAT_COMPATIBILITY_CLASS_48_BIT}},
{VK_FORMAT_R16G16B16_SNORM, {6, 3, VK_FORMAT_COMPATIBILITY_CLASS_48_BIT}},
{VK_FORMAT_R16G16B16_USCALED, {6, 3, VK_FORMAT_COMPATIBILITY_CLASS_48_BIT}},
{VK_FORMAT_R16G16B16_SSCALED, {6, 3, VK_FORMAT_COMPATIBILITY_CLASS_48_BIT}},
{VK_FORMAT_R16G16B16_UINT, {6, 3, VK_FORMAT_COMPATIBILITY_CLASS_48_BIT}},
{VK_FORMAT_R16G16B16_SINT, {6, 3, VK_FORMAT_COMPATIBILITY_CLASS_48_BIT}},
{VK_FORMAT_R16G16B16_SFLOAT, {6, 3, VK_FORMAT_COMPATIBILITY_CLASS_48_BIT}},
{VK_FORMAT_R16G16B16A16_UNORM, {8, 4, VK_FORMAT_COMPATIBILITY_CLASS_64_BIT}},
{VK_FORMAT_R16G16B16A16_SNORM, {8, 4, VK_FORMAT_COMPATIBILITY_CLASS_64_BIT}},
{VK_FORMAT_R16G16B16A16_USCALED, {8, 4, VK_FORMAT_COMPATIBILITY_CLASS_64_BIT}},
{VK_FORMAT_R16G16B16A16_SSCALED, {8, 4, VK_FORMAT_COMPATIBILITY_CLASS_64_BIT}},
{VK_FORMAT_R16G16B16A16_UINT, {8, 4, VK_FORMAT_COMPATIBILITY_CLASS_64_BIT}},
{VK_FORMAT_R16G16B16A16_SINT, {8, 4, VK_FORMAT_COMPATIBILITY_CLASS_64_BIT}},
{VK_FORMAT_R16G16B16A16_SFLOAT, {8, 4, VK_FORMAT_COMPATIBILITY_CLASS_64_BIT}},
{VK_FORMAT_R32_UINT, {4, 1, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}},
{VK_FORMAT_R32_SINT, {4, 1, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}},
{VK_FORMAT_R32_SFLOAT, {4, 1, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}},
{VK_FORMAT_R32G32_UINT, {8, 2, VK_FORMAT_COMPATIBILITY_CLASS_64_BIT}},
{VK_FORMAT_R32G32_SINT, {8, 2, VK_FORMAT_COMPATIBILITY_CLASS_64_BIT}},
{VK_FORMAT_R32G32_SFLOAT, {8, 2, VK_FORMAT_COMPATIBILITY_CLASS_64_BIT}},
{VK_FORMAT_R32G32B32_UINT, {12, 3, VK_FORMAT_COMPATIBILITY_CLASS_96_BIT}},
{VK_FORMAT_R32G32B32_SINT, {12, 3, VK_FORMAT_COMPATIBILITY_CLASS_96_BIT}},
{VK_FORMAT_R32G32B32_SFLOAT, {12, 3, VK_FORMAT_COMPATIBILITY_CLASS_96_BIT}},
{VK_FORMAT_R32G32B32A32_UINT, {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_128_BIT}},
{VK_FORMAT_R32G32B32A32_SINT, {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_128_BIT}},
{VK_FORMAT_R32G32B32A32_SFLOAT, {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_128_BIT}},
{VK_FORMAT_R64_UINT, {8, 1, VK_FORMAT_COMPATIBILITY_CLASS_64_BIT}},
{VK_FORMAT_R64_SINT, {8, 1, VK_FORMAT_COMPATIBILITY_CLASS_64_BIT}},
{VK_FORMAT_R64_SFLOAT, {8, 1, VK_FORMAT_COMPATIBILITY_CLASS_64_BIT}},
{VK_FORMAT_R64G64_UINT, {16, 2, VK_FORMAT_COMPATIBILITY_CLASS_128_BIT}},
{VK_FORMAT_R64G64_SINT, {16, 2, VK_FORMAT_COMPATIBILITY_CLASS_128_BIT}},
{VK_FORMAT_R64G64_SFLOAT, {16, 2, VK_FORMAT_COMPATIBILITY_CLASS_128_BIT}},
{VK_FORMAT_R64G64B64_UINT, {24, 3, VK_FORMAT_COMPATIBILITY_CLASS_192_BIT}},
{VK_FORMAT_R64G64B64_SINT, {24, 3, VK_FORMAT_COMPATIBILITY_CLASS_192_BIT}},
{VK_FORMAT_R64G64B64_SFLOAT, {24, 3, VK_FORMAT_COMPATIBILITY_CLASS_192_BIT}},
{VK_FORMAT_R64G64B64A64_UINT, {32, 4, VK_FORMAT_COMPATIBILITY_CLASS_256_BIT}},
{VK_FORMAT_R64G64B64A64_SINT, {32, 4, VK_FORMAT_COMPATIBILITY_CLASS_256_BIT}},
{VK_FORMAT_R64G64B64A64_SFLOAT, {32, 4, VK_FORMAT_COMPATIBILITY_CLASS_256_BIT}},
{VK_FORMAT_B10G11R11_UFLOAT_PACK32, {4, 3, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}},
{VK_FORMAT_E5B9G9R9_UFLOAT_PACK32, {4, 3, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}},
{VK_FORMAT_D16_UNORM, {2, 1, VK_FORMAT_COMPATIBILITY_CLASS_NONE_BIT}},
{VK_FORMAT_X8_D24_UNORM_PACK32, {4, 1, VK_FORMAT_COMPATIBILITY_CLASS_NONE_BIT}},
{VK_FORMAT_D32_SFLOAT, {4, 1, VK_FORMAT_COMPATIBILITY_CLASS_NONE_BIT}},
{VK_FORMAT_S8_UINT, {1, 1, VK_FORMAT_COMPATIBILITY_CLASS_NONE_BIT}},
{VK_FORMAT_D16_UNORM_S8_UINT, {3, 2, VK_FORMAT_COMPATIBILITY_CLASS_NONE_BIT}},
{VK_FORMAT_D24_UNORM_S8_UINT, {4, 2, VK_FORMAT_COMPATIBILITY_CLASS_NONE_BIT}},
{VK_FORMAT_D32_SFLOAT_S8_UINT, {8, 2, VK_FORMAT_COMPATIBILITY_CLASS_NONE_BIT}},
{VK_FORMAT_BC1_RGB_UNORM_BLOCK, {8, 4, VK_FORMAT_COMPATIBILITY_CLASS_BC1_RGB_BIT}},
{VK_FORMAT_BC1_RGB_SRGB_BLOCK, {8, 4, VK_FORMAT_COMPATIBILITY_CLASS_BC1_RGB_BIT}},
{VK_FORMAT_BC1_RGBA_UNORM_BLOCK, {8, 4, VK_FORMAT_COMPATIBILITY_CLASS_BC1_RGBA_BIT}},
{VK_FORMAT_BC1_RGBA_SRGB_BLOCK, {8, 4, VK_FORMAT_COMPATIBILITY_CLASS_BC1_RGBA_BIT}},
{VK_FORMAT_BC2_UNORM_BLOCK, {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_BC2_BIT}},
{VK_FORMAT_BC2_SRGB_BLOCK, {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_BC2_BIT}},
{VK_FORMAT_BC3_UNORM_BLOCK, {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_BC3_BIT}},
{VK_FORMAT_BC3_SRGB_BLOCK, {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_BC3_BIT}},
{VK_FORMAT_BC4_UNORM_BLOCK, {8, 4, VK_FORMAT_COMPATIBILITY_CLASS_BC4_BIT}},
{VK_FORMAT_BC4_SNORM_BLOCK, {8, 4, VK_FORMAT_COMPATIBILITY_CLASS_BC4_BIT}},
{VK_FORMAT_BC5_UNORM_BLOCK, {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_BC5_BIT}},
{VK_FORMAT_BC5_SNORM_BLOCK, {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_BC5_BIT}},
{VK_FORMAT_BC6H_UFLOAT_BLOCK, {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_BC6H_BIT}},
{VK_FORMAT_BC6H_SFLOAT_BLOCK, {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_BC6H_BIT}},
{VK_FORMAT_BC7_UNORM_BLOCK, {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_BC7_BIT}},
{VK_FORMAT_BC7_SRGB_BLOCK, {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_BC7_BIT}},
{VK_FORMAT_ETC2_R8G8B8_UNORM_BLOCK, {8, 3, VK_FORMAT_COMPATIBILITY_CLASS_ETC2_RGB_BIT}},
{VK_FORMAT_ETC2_R8G8B8_SRGB_BLOCK, {8, 3, VK_FORMAT_COMPATIBILITY_CLASS_ETC2_RGB_BIT}},
{VK_FORMAT_ETC2_R8G8B8A1_UNORM_BLOCK, {8, 4, VK_FORMAT_COMPATIBILITY_CLASS_ETC2_RGBA_BIT}},
{VK_FORMAT_ETC2_R8G8B8A1_SRGB_BLOCK, {8, 4, VK_FORMAT_COMPATIBILITY_CLASS_ETC2_RGBA_BIT}},
{VK_FORMAT_ETC2_R8G8B8A8_UNORM_BLOCK, {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_ETC2_EAC_RGBA_BIT}},
{VK_FORMAT_ETC2_R8G8B8A8_SRGB_BLOCK, {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_ETC2_EAC_RGBA_BIT}},
{VK_FORMAT_EAC_R11_UNORM_BLOCK, {8, 1, VK_FORMAT_COMPATIBILITY_CLASS_EAC_R_BIT}},
{VK_FORMAT_EAC_R11_SNORM_BLOCK, {8, 1, VK_FORMAT_COMPATIBILITY_CLASS_EAC_R_BIT}},
{VK_FORMAT_EAC_R11G11_UNORM_BLOCK, {16, 2, VK_FORMAT_COMPATIBILITY_CLASS_EAC_RG_BIT}},
{VK_FORMAT_EAC_R11G11_SNORM_BLOCK, {16, 2, VK_FORMAT_COMPATIBILITY_CLASS_EAC_RG_BIT}},
{VK_FORMAT_ASTC_4x4_UNORM_BLOCK, {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_ASTC_4X4_BIT}},
{VK_FORMAT_ASTC_4x4_SRGB_BLOCK, {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_ASTC_4X4_BIT}},
{VK_FORMAT_ASTC_5x4_UNORM_BLOCK, {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_ASTC_5X4_BIT}},
{VK_FORMAT_ASTC_5x4_SRGB_BLOCK, {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_ASTC_5X4_BIT}},
{VK_FORMAT_ASTC_5x5_UNORM_BLOCK, {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_ASTC_5X5_BIT}},
{VK_FORMAT_ASTC_5x5_SRGB_BLOCK, {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_ASTC_5X5_BIT}},
{VK_FORMAT_ASTC_6x5_UNORM_BLOCK, {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_ASTC_6X5_BIT}},
{VK_FORMAT_ASTC_6x5_SRGB_BLOCK, {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_ASTC_6X5_BIT}},
{VK_FORMAT_ASTC_6x6_UNORM_BLOCK, {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_ASTC_6X6_BIT}},
{VK_FORMAT_ASTC_6x6_SRGB_BLOCK, {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_ASTC_6X6_BIT}},
{VK_FORMAT_ASTC_8x5_UNORM_BLOCK, {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_ASTC_8X5_BIT}},
{VK_FORMAT_ASTC_8x5_SRGB_BLOCK, {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_ASTC_8X5_BIT}},
{VK_FORMAT_ASTC_8x6_UNORM_BLOCK, {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_ASTC_8X6_BIT}},
{VK_FORMAT_ASTC_8x6_SRGB_BLOCK, {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_ASTC_8X6_BIT}},
{VK_FORMAT_ASTC_8x8_UNORM_BLOCK, {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_ASTC_8X8_BIT}},
{VK_FORMAT_ASTC_8x8_SRGB_BLOCK, {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_ASTC_8X8_BIT}},
{VK_FORMAT_ASTC_10x5_UNORM_BLOCK, {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_ASTC_10X5_BIT}},
{VK_FORMAT_ASTC_10x5_SRGB_BLOCK, {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_ASTC_10X5_BIT}},
{VK_FORMAT_ASTC_10x6_UNORM_BLOCK, {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_ASTC_10X6_BIT}},
{VK_FORMAT_ASTC_10x6_SRGB_BLOCK, {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_ASTC_10X6_BIT}},
{VK_FORMAT_ASTC_10x8_UNORM_BLOCK, {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_ASTC_10X8_BIT}},
{VK_FORMAT_ASTC_10x8_SRGB_BLOCK, {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_ASTC_10X8_BIT}},
{VK_FORMAT_ASTC_10x10_UNORM_BLOCK, {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_ASTC_10X10_BIT}},
{VK_FORMAT_ASTC_10x10_SRGB_BLOCK, {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_ASTC_10X10_BIT}},
{VK_FORMAT_ASTC_12x10_UNORM_BLOCK, {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_ASTC_12X10_BIT}},
{VK_FORMAT_ASTC_12x10_SRGB_BLOCK, {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_ASTC_12X10_BIT}},
{VK_FORMAT_ASTC_12x12_UNORM_BLOCK, {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_ASTC_12X12_BIT}},
{VK_FORMAT_ASTC_12x12_SRGB_BLOCK, {16, 4, VK_FORMAT_COMPATIBILITY_CLASS_ASTC_12X12_BIT}},
{VK_FORMAT_PVRTC1_2BPP_UNORM_BLOCK_IMG, {8, 4, VK_FORMAT_COMPATIBILITY_CLASS_PVRTC1_2BPP_BIT}},
{VK_FORMAT_PVRTC1_4BPP_UNORM_BLOCK_IMG, {8, 4, VK_FORMAT_COMPATIBILITY_CLASS_PVRTC1_4BPP_BIT}},
{VK_FORMAT_PVRTC2_2BPP_UNORM_BLOCK_IMG, {8, 4, VK_FORMAT_COMPATIBILITY_CLASS_PVRTC2_2BPP_BIT}},
{VK_FORMAT_PVRTC2_4BPP_UNORM_BLOCK_IMG, {8, 4, VK_FORMAT_COMPATIBILITY_CLASS_PVRTC2_4BPP_BIT}},
{VK_FORMAT_PVRTC1_2BPP_SRGB_BLOCK_IMG, {8, 4, VK_FORMAT_COMPATIBILITY_CLASS_PVRTC1_2BPP_BIT}},
{VK_FORMAT_PVRTC1_4BPP_SRGB_BLOCK_IMG, {8, 4, VK_FORMAT_COMPATIBILITY_CLASS_PVRTC1_4BPP_BIT}},
{VK_FORMAT_PVRTC2_2BPP_SRGB_BLOCK_IMG, {8, 4, VK_FORMAT_COMPATIBILITY_CLASS_PVRTC2_2BPP_BIT}},
{VK_FORMAT_PVRTC2_4BPP_SRGB_BLOCK_IMG, {8, 4, VK_FORMAT_COMPATIBILITY_CLASS_PVRTC2_4BPP_BIT}},
// KHR_sampler_YCbCr_conversion extension - single-plane variants
// 'PACK' formats are normal, uncompressed
{VK_FORMAT_R10X6_UNORM_PACK16, {2, 1, VK_FORMAT_COMPATIBILITY_CLASS_16_BIT}},
{VK_FORMAT_R10X6G10X6_UNORM_2PACK16, {4, 2, VK_FORMAT_COMPATIBILITY_CLASS_32_BIT}},
{VK_FORMAT_R10X6G10X6B10X6A10X6_UNORM_4PACK16, {8, 4, VK_FORMAT_COMPATIBILITY_CLASS_64BIT_R10G10B10A10}},
{VK_FORMAT_R12X4_UNORM_PACK16, {2, 1, VK_FORMAT_COMPATIBILITY_CLASS_16_BIT}},
{VK_FORMAT_R12X4G12X4_UNORM_2PACK16, {4, 2, VK_FORMAT_COMPATIBILITY_CLASS_16_BIT}},
{VK_FORMAT_R12X4G12X4B12X4A12X4_UNORM_4PACK16, {8, 4, VK_FORMAT_COMPATIBILITY_CLASS_64BIT_R12G12B12A12}},
// _422 formats encode 2 texels per entry with B, R components shared - treated as compressed w/ 2x1 block size
{VK_FORMAT_G8B8G8R8_422_UNORM, {4, 4, VK_FORMAT_COMPATIBILITY_CLASS_32BIT_G8B8G8R8}},
{VK_FORMAT_B8G8R8G8_422_UNORM, {4, 4, VK_FORMAT_COMPATIBILITY_CLASS_32BIT_B8G8R8G8}},
{VK_FORMAT_G10X6B10X6G10X6R10X6_422_UNORM_4PACK16, {8, 4, VK_FORMAT_COMPATIBILITY_CLASS_64BIT_G10B10G10R10}},
{VK_FORMAT_B10X6G10X6R10X6G10X6_422_UNORM_4PACK16, {8, 4, VK_FORMAT_COMPATIBILITY_CLASS_64BIT_B10G10R10G10}},
{VK_FORMAT_G12X4B12X4G12X4R12X4_422_UNORM_4PACK16, {8, 4, VK_FORMAT_COMPATIBILITY_CLASS_64BIT_G12B12G12R12}},
{VK_FORMAT_B12X4G12X4R12X4G12X4_422_UNORM_4PACK16, {8, 4, VK_FORMAT_COMPATIBILITY_CLASS_64BIT_B12G12R12G12}},
{VK_FORMAT_G16B16G16R16_422_UNORM, {8, 4, VK_FORMAT_COMPATIBILITY_CLASS_64BIT_G16B16G16R16}},
{VK_FORMAT_B16G16R16G16_422_UNORM, {8, 4, VK_FORMAT_COMPATIBILITY_CLASS_64BIT_B16G16R16G16}},
// KHR_sampler_YCbCr_conversion extension - multi-plane variants
// Formats that 'share' components among texels (_420 and _422), size represents total bytes for the smallest possible texel block
// _420 share B, R components within a 2x2 texel block
{VK_FORMAT_G8_B8_R8_3PLANE_420_UNORM, {6, 3, VK_FORMAT_COMPATIBILITY_CLASS_8BIT_3PLANE_420}},
{VK_FORMAT_G8_B8R8_2PLANE_420_UNORM, {6, 3, VK_FORMAT_COMPATIBILITY_CLASS_8BIT_2PLANE_420}},
{VK_FORMAT_G10X6_B10X6_R10X6_3PLANE_420_UNORM_3PACK16, {12, 3, VK_FORMAT_COMPATIBILITY_CLASS_10BIT_3PLANE_420}},
{VK_FORMAT_G10X6_B10X6R10X6_2PLANE_420_UNORM_3PACK16, {12, 3, VK_FORMAT_COMPATIBILITY_CLASS_10BIT_2PLANE_420}},
{VK_FORMAT_G12X4_B12X4_R12X4_3PLANE_420_UNORM_3PACK16, {12, 3, VK_FORMAT_COMPATIBILITY_CLASS_12BIT_3PLANE_420}},
{VK_FORMAT_G12X4_B12X4R12X4_2PLANE_420_UNORM_3PACK16, {12, 3, VK_FORMAT_COMPATIBILITY_CLASS_12BIT_2PLANE_420}},
{VK_FORMAT_G16_B16_R16_3PLANE_420_UNORM, {12, 3, VK_FORMAT_COMPATIBILITY_CLASS_16BIT_3PLANE_420}},
{VK_FORMAT_G16_B16R16_2PLANE_420_UNORM, {12, 3, VK_FORMAT_COMPATIBILITY_CLASS_16BIT_2PLANE_420}},
// _422 share B, R components within a 2x1 texel block
{VK_FORMAT_G8_B8_R8_3PLANE_422_UNORM, {4, 3, VK_FORMAT_COMPATIBILITY_CLASS_8BIT_3PLANE_422}},
{VK_FORMAT_G8_B8R8_2PLANE_422_UNORM, {4, 3, VK_FORMAT_COMPATIBILITY_CLASS_8BIT_2PLANE_422}},
{VK_FORMAT_G10X6_B10X6_R10X6_3PLANE_422_UNORM_3PACK16, {8, 3, VK_FORMAT_COMPATIBILITY_CLASS_10BIT_3PLANE_422}},
{VK_FORMAT_G10X6_B10X6R10X6_2PLANE_422_UNORM_3PACK16, {8, 3, VK_FORMAT_COMPATIBILITY_CLASS_10BIT_2PLANE_422}},
{VK_FORMAT_G12X4_B12X4_R12X4_3PLANE_422_UNORM_3PACK16, {8, 3, VK_FORMAT_COMPATIBILITY_CLASS_12BIT_3PLANE_422}},
{VK_FORMAT_G12X4_B12X4R12X4_2PLANE_422_UNORM_3PACK16, {8, 3, VK_FORMAT_COMPATIBILITY_CLASS_12BIT_2PLANE_422}},
{VK_FORMAT_G16_B16_R16_3PLANE_422_UNORM, {8, 3, VK_FORMAT_COMPATIBILITY_CLASS_16BIT_3PLANE_422}},
{VK_FORMAT_G16_B16R16_2PLANE_422_UNORM, {8, 3, VK_FORMAT_COMPATIBILITY_CLASS_16BIT_2PLANE_422}},
// _444 do not share
{VK_FORMAT_G8_B8_R8_3PLANE_444_UNORM, {3, 3, VK_FORMAT_COMPATIBILITY_CLASS_8BIT_3PLANE_444}},
{VK_FORMAT_G10X6_B10X6_R10X6_3PLANE_444_UNORM_3PACK16, {6, 3, VK_FORMAT_COMPATIBILITY_CLASS_10BIT_3PLANE_444}},
{VK_FORMAT_G12X4_B12X4_R12X4_3PLANE_444_UNORM_3PACK16, {6, 3, VK_FORMAT_COMPATIBILITY_CLASS_12BIT_3PLANE_444}},
{VK_FORMAT_G16_B16_R16_3PLANE_444_UNORM, {6, 3, VK_FORMAT_COMPATIBILITY_CLASS_16BIT_3PLANE_444}}
};
// Renable formatting
// clang-format on
// Return true if format is an ETC2 or EAC compressed texture format
VK_LAYER_EXPORT bool FormatIsCompressed_ETC2_EAC(VkFormat format) {
bool found = false;
switch (format) {
case VK_FORMAT_ETC2_R8G8B8_UNORM_BLOCK:
case VK_FORMAT_ETC2_R8G8B8_SRGB_BLOCK:
case VK_FORMAT_ETC2_R8G8B8A1_UNORM_BLOCK:
case VK_FORMAT_ETC2_R8G8B8A1_SRGB_BLOCK:
case VK_FORMAT_ETC2_R8G8B8A8_UNORM_BLOCK:
case VK_FORMAT_ETC2_R8G8B8A8_SRGB_BLOCK:
case VK_FORMAT_EAC_R11_UNORM_BLOCK:
case VK_FORMAT_EAC_R11_SNORM_BLOCK:
case VK_FORMAT_EAC_R11G11_UNORM_BLOCK:
case VK_FORMAT_EAC_R11G11_SNORM_BLOCK:
found = true;
break;
default:
break;
}
return found;
}
// Return true if format is an ASTC compressed texture format
VK_LAYER_EXPORT bool FormatIsCompressed_ASTC_LDR(VkFormat format) {
bool found = false;
switch (format) {
case VK_FORMAT_ASTC_4x4_UNORM_BLOCK:
case VK_FORMAT_ASTC_4x4_SRGB_BLOCK:
case VK_FORMAT_ASTC_5x4_UNORM_BLOCK:
case VK_FORMAT_ASTC_5x4_SRGB_BLOCK:
case VK_FORMAT_ASTC_5x5_UNORM_BLOCK:
case VK_FORMAT_ASTC_5x5_SRGB_BLOCK:
case VK_FORMAT_ASTC_6x5_UNORM_BLOCK:
case VK_FORMAT_ASTC_6x5_SRGB_BLOCK:
case VK_FORMAT_ASTC_6x6_UNORM_BLOCK:
case VK_FORMAT_ASTC_6x6_SRGB_BLOCK:
case VK_FORMAT_ASTC_8x5_UNORM_BLOCK:
case VK_FORMAT_ASTC_8x5_SRGB_BLOCK:
case VK_FORMAT_ASTC_8x6_UNORM_BLOCK:
case VK_FORMAT_ASTC_8x6_SRGB_BLOCK:
case VK_FORMAT_ASTC_8x8_UNORM_BLOCK:
case VK_FORMAT_ASTC_8x8_SRGB_BLOCK:
case VK_FORMAT_ASTC_10x5_UNORM_BLOCK:
case VK_FORMAT_ASTC_10x5_SRGB_BLOCK:
case VK_FORMAT_ASTC_10x6_UNORM_BLOCK:
case VK_FORMAT_ASTC_10x6_SRGB_BLOCK:
case VK_FORMAT_ASTC_10x8_UNORM_BLOCK:
case VK_FORMAT_ASTC_10x8_SRGB_BLOCK:
case VK_FORMAT_ASTC_10x10_UNORM_BLOCK:
case VK_FORMAT_ASTC_10x10_SRGB_BLOCK:
case VK_FORMAT_ASTC_12x10_UNORM_BLOCK:
case VK_FORMAT_ASTC_12x10_SRGB_BLOCK:
case VK_FORMAT_ASTC_12x12_UNORM_BLOCK:
case VK_FORMAT_ASTC_12x12_SRGB_BLOCK:
found = true;
break;
default:
break;
}
return found;
}
// Return true if format is a BC compressed texture format
VK_LAYER_EXPORT bool FormatIsCompressed_BC(VkFormat format) {
bool found = false;
switch (format) {
case VK_FORMAT_BC1_RGB_UNORM_BLOCK:
case VK_FORMAT_BC1_RGB_SRGB_BLOCK:
case VK_FORMAT_BC1_RGBA_UNORM_BLOCK:
case VK_FORMAT_BC1_RGBA_SRGB_BLOCK:
case VK_FORMAT_BC2_UNORM_BLOCK:
case VK_FORMAT_BC2_SRGB_BLOCK:
case VK_FORMAT_BC3_UNORM_BLOCK:
case VK_FORMAT_BC3_SRGB_BLOCK:
case VK_FORMAT_BC4_UNORM_BLOCK:
case VK_FORMAT_BC4_SNORM_BLOCK:
case VK_FORMAT_BC5_UNORM_BLOCK:
case VK_FORMAT_BC5_SNORM_BLOCK:
case VK_FORMAT_BC6H_UFLOAT_BLOCK:
case VK_FORMAT_BC6H_SFLOAT_BLOCK:
case VK_FORMAT_BC7_UNORM_BLOCK:
case VK_FORMAT_BC7_SRGB_BLOCK:
found = true;
break;
default:
break;
}
return found;
}
// Return true if format is a PVRTC compressed texture format
VK_LAYER_EXPORT bool FormatIsCompressed_PVRTC(VkFormat format) {
bool found = false;
switch (format) {
case VK_FORMAT_PVRTC1_2BPP_UNORM_BLOCK_IMG:
case VK_FORMAT_PVRTC1_4BPP_UNORM_BLOCK_IMG:
case VK_FORMAT_PVRTC2_2BPP_UNORM_BLOCK_IMG:
case VK_FORMAT_PVRTC2_4BPP_UNORM_BLOCK_IMG:
case VK_FORMAT_PVRTC1_2BPP_SRGB_BLOCK_IMG:
case VK_FORMAT_PVRTC1_4BPP_SRGB_BLOCK_IMG:
case VK_FORMAT_PVRTC2_2BPP_SRGB_BLOCK_IMG:
case VK_FORMAT_PVRTC2_4BPP_SRGB_BLOCK_IMG:
found = true;
break;
default:
break;
}
return found;
}
// Single-plane "_422" formats are treated as 2x1 compressed (for copies)
VK_LAYER_EXPORT bool FormatIsSinglePlane_422(VkFormat format) {
bool found = false;
switch (format) {
case VK_FORMAT_G8B8G8R8_422_UNORM_KHR:
case VK_FORMAT_B8G8R8G8_422_UNORM_KHR:
case VK_FORMAT_G10X6B10X6G10X6R10X6_422_UNORM_4PACK16_KHR:
case VK_FORMAT_B10X6G10X6R10X6G10X6_422_UNORM_4PACK16_KHR:
case VK_FORMAT_G12X4B12X4G12X4R12X4_422_UNORM_4PACK16_KHR:
case VK_FORMAT_B12X4G12X4R12X4G12X4_422_UNORM_4PACK16_KHR:
case VK_FORMAT_G16B16G16R16_422_UNORM_KHR:
case VK_FORMAT_B16G16R16G16_422_UNORM_KHR:
found = true;
break;
default:
break;
}
return found;
}
// Return true if format is compressed
VK_LAYER_EXPORT bool FormatIsCompressed(VkFormat format) {
return (FormatIsCompressed_ASTC_LDR(format) || FormatIsCompressed_BC(format) || FormatIsCompressed_ETC2_EAC(format) ||
FormatIsCompressed_PVRTC(format));
}
// Return true if format is packed
VK_LAYER_EXPORT bool FormatIsPacked(VkFormat format) {
bool found = false;
switch (format) {
case VK_FORMAT_R4G4_UNORM_PACK8:
case VK_FORMAT_R4G4B4A4_UNORM_PACK16:
case VK_FORMAT_B4G4R4A4_UNORM_PACK16:
case VK_FORMAT_R5G6B5_UNORM_PACK16:
case VK_FORMAT_B5G6R5_UNORM_PACK16:
case VK_FORMAT_R5G5B5A1_UNORM_PACK16:
case VK_FORMAT_B5G5R5A1_UNORM_PACK16:
case VK_FORMAT_A1R5G5B5_UNORM_PACK16:
case VK_FORMAT_A8B8G8R8_UNORM_PACK32:
case VK_FORMAT_A8B8G8R8_SNORM_PACK32:
case VK_FORMAT_A8B8G8R8_USCALED_PACK32:
case VK_FORMAT_A8B8G8R8_SSCALED_PACK32:
case VK_FORMAT_A8B8G8R8_UINT_PACK32:
case VK_FORMAT_A8B8G8R8_SINT_PACK32:
case VK_FORMAT_A8B8G8R8_SRGB_PACK32:
case VK_FORMAT_A2R10G10B10_UNORM_PACK32:
case VK_FORMAT_A2R10G10B10_SNORM_PACK32:
case VK_FORMAT_A2R10G10B10_USCALED_PACK32:
case VK_FORMAT_A2R10G10B10_SSCALED_PACK32:
case VK_FORMAT_A2R10G10B10_UINT_PACK32:
case VK_FORMAT_A2R10G10B10_SINT_PACK32:
case VK_FORMAT_A2B10G10R10_UNORM_PACK32:
case VK_FORMAT_A2B10G10R10_SNORM_PACK32:
case VK_FORMAT_A2B10G10R10_USCALED_PACK32:
case VK_FORMAT_A2B10G10R10_SSCALED_PACK32:
case VK_FORMAT_A2B10G10R10_UINT_PACK32:
case VK_FORMAT_A2B10G10R10_SINT_PACK32:
case VK_FORMAT_B10G11R11_UFLOAT_PACK32:
case VK_FORMAT_E5B9G9R9_UFLOAT_PACK32:
case VK_FORMAT_X8_D24_UNORM_PACK32:
case VK_FORMAT_R10X6_UNORM_PACK16:
case VK_FORMAT_R10X6G10X6_UNORM_2PACK16:
case VK_FORMAT_R10X6G10X6B10X6A10X6_UNORM_4PACK16:
case VK_FORMAT_G10X6B10X6G10X6R10X6_422_UNORM_4PACK16:
case VK_FORMAT_B10X6G10X6R10X6G10X6_422_UNORM_4PACK16:
case VK_FORMAT_R12X4_UNORM_PACK16:
case VK_FORMAT_R12X4G12X4_UNORM_2PACK16:
case VK_FORMAT_R12X4G12X4B12X4A12X4_UNORM_4PACK16:
case VK_FORMAT_G12X4B12X4G12X4R12X4_422_UNORM_4PACK16:
case VK_FORMAT_B12X4G12X4R12X4G12X4_422_UNORM_4PACK16:
case VK_FORMAT_G10X6_B10X6_R10X6_3PLANE_420_UNORM_3PACK16:
case VK_FORMAT_G10X6_B10X6R10X6_2PLANE_420_UNORM_3PACK16:
case VK_FORMAT_G10X6_B10X6_R10X6_3PLANE_422_UNORM_3PACK16:
case VK_FORMAT_G10X6_B10X6R10X6_2PLANE_422_UNORM_3PACK16:
case VK_FORMAT_G10X6_B10X6_R10X6_3PLANE_444_UNORM_3PACK16:
case VK_FORMAT_G12X4_B12X4_R12X4_3PLANE_420_UNORM_3PACK16:
case VK_FORMAT_G12X4_B12X4R12X4_2PLANE_420_UNORM_3PACK16:
case VK_FORMAT_G12X4_B12X4_R12X4_3PLANE_422_UNORM_3PACK16:
case VK_FORMAT_G12X4_B12X4R12X4_2PLANE_422_UNORM_3PACK16:
case VK_FORMAT_G12X4_B12X4_R12X4_3PLANE_444_UNORM_3PACK16:
found = true;
break;
default:
break;
}
return found;
}
// Return true if format is 'normal', with one texel per format element
VK_LAYER_EXPORT bool FormatElementIsTexel(VkFormat format) {
if (FormatIsPacked(format) || FormatIsCompressed(format) || FormatIsSinglePlane_422(format) || FormatIsMultiplane(format)) {
return false;
} else {
return true;
}
}
// Return true if format is a depth or stencil format
VK_LAYER_EXPORT bool FormatIsDepthOrStencil(VkFormat format) {
return (FormatIsDepthAndStencil(format) || FormatIsDepthOnly(format) || FormatIsStencilOnly(format));
}
// Return true if format contains depth and stencil information
VK_LAYER_EXPORT bool FormatIsDepthAndStencil(VkFormat format) {
bool is_ds = false;
switch (format) {
case VK_FORMAT_D16_UNORM_S8_UINT:
case VK_FORMAT_D24_UNORM_S8_UINT:
case VK_FORMAT_D32_SFLOAT_S8_UINT:
is_ds = true;
break;
default:
break;
}
return is_ds;
}
// Return true if format is a stencil-only format
VK_LAYER_EXPORT bool FormatIsStencilOnly(VkFormat format) { return (format == VK_FORMAT_S8_UINT); }
// Return true if format is a depth-only format
VK_LAYER_EXPORT bool FormatIsDepthOnly(VkFormat format) {
bool is_depth = false;
switch (format) {
case VK_FORMAT_D16_UNORM:
case VK_FORMAT_X8_D24_UNORM_PACK32:
case VK_FORMAT_D32_SFLOAT:
is_depth = true;
break;
default:
break;
}
return is_depth;
}
// Return true if format is of type NORM
VK_LAYER_EXPORT bool FormatIsNorm(VkFormat format) {
bool is_norm = false;
switch (format) {
case VK_FORMAT_R4G4_UNORM_PACK8:
case VK_FORMAT_R4G4B4A4_UNORM_PACK16:
case VK_FORMAT_R5G6B5_UNORM_PACK16:
case VK_FORMAT_R5G5B5A1_UNORM_PACK16:
case VK_FORMAT_A1R5G5B5_UNORM_PACK16:
case VK_FORMAT_R8_UNORM:
case VK_FORMAT_R8_SNORM:
case VK_FORMAT_R8G8_UNORM:
case VK_FORMAT_R8G8_SNORM:
case VK_FORMAT_R8G8B8_UNORM:
case VK_FORMAT_R8G8B8_SNORM:
case VK_FORMAT_R8G8B8A8_UNORM:
case VK_FORMAT_R8G8B8A8_SNORM:
case VK_FORMAT_A8B8G8R8_UNORM_PACK32:
case VK_FORMAT_A8B8G8R8_SNORM_PACK32:
case VK_FORMAT_A2B10G10R10_UNORM_PACK32:
case VK_FORMAT_A2B10G10R10_SNORM_PACK32:
case VK_FORMAT_R16_UNORM:
case VK_FORMAT_R16_SNORM:
case VK_FORMAT_R16G16_UNORM:
case VK_FORMAT_R16G16_SNORM:
case VK_FORMAT_R16G16B16_UNORM:
case VK_FORMAT_R16G16B16_SNORM:
case VK_FORMAT_R16G16B16A16_UNORM:
case VK_FORMAT_R16G16B16A16_SNORM:
case VK_FORMAT_BC1_RGB_UNORM_BLOCK:
case VK_FORMAT_BC2_UNORM_BLOCK:
case VK_FORMAT_BC3_UNORM_BLOCK:
case VK_FORMAT_BC4_UNORM_BLOCK:
case VK_FORMAT_BC4_SNORM_BLOCK:
case VK_FORMAT_BC5_UNORM_BLOCK:
case VK_FORMAT_BC5_SNORM_BLOCK:
case VK_FORMAT_BC7_UNORM_BLOCK:
case VK_FORMAT_ETC2_R8G8B8_UNORM_BLOCK:
case VK_FORMAT_ETC2_R8G8B8A1_UNORM_BLOCK:
case VK_FORMAT_ETC2_R8G8B8A8_UNORM_BLOCK:
case VK_FORMAT_EAC_R11_UNORM_BLOCK:
case VK_FORMAT_EAC_R11_SNORM_BLOCK:
case VK_FORMAT_EAC_R11G11_UNORM_BLOCK:
case VK_FORMAT_EAC_R11G11_SNORM_BLOCK:
case VK_FORMAT_ASTC_4x4_UNORM_BLOCK:
case VK_FORMAT_ASTC_5x4_UNORM_BLOCK:
case VK_FORMAT_ASTC_5x5_UNORM_BLOCK:
case VK_FORMAT_ASTC_6x5_UNORM_BLOCK:
case VK_FORMAT_ASTC_6x6_UNORM_BLOCK:
case VK_FORMAT_ASTC_8x5_UNORM_BLOCK:
case VK_FORMAT_ASTC_8x6_UNORM_BLOCK:
case VK_FORMAT_ASTC_8x8_UNORM_BLOCK:
case VK_FORMAT_ASTC_10x5_UNORM_BLOCK:
case VK_FORMAT_ASTC_10x6_UNORM_BLOCK:
case VK_FORMAT_ASTC_10x8_UNORM_BLOCK:
case VK_FORMAT_ASTC_10x10_UNORM_BLOCK:
case VK_FORMAT_ASTC_12x10_UNORM_BLOCK:
case VK_FORMAT_ASTC_12x12_UNORM_BLOCK:
case VK_FORMAT_B5G6R5_UNORM_PACK16:
case VK_FORMAT_B8G8R8_UNORM:
case VK_FORMAT_B8G8R8_SNORM:
case VK_FORMAT_B8G8R8A8_UNORM:
case VK_FORMAT_B8G8R8A8_SNORM:
case VK_FORMAT_A2R10G10B10_UNORM_PACK32:
case VK_FORMAT_A2R10G10B10_SNORM_PACK32:
is_norm = true;
break;
default:
break;
}
return is_norm;
}
// Return true if format is of type UNORM
VK_LAYER_EXPORT bool FormatIsUNorm(VkFormat format) {
bool is_unorm = false;
switch (format) {
case VK_FORMAT_R4G4_UNORM_PACK8:
case VK_FORMAT_R4G4B4A4_UNORM_PACK16:
case VK_FORMAT_R5G6B5_UNORM_PACK16:
case VK_FORMAT_R5G5B5A1_UNORM_PACK16:
case VK_FORMAT_A1R5G5B5_UNORM_PACK16:
case VK_FORMAT_R8_UNORM:
case VK_FORMAT_R8G8_UNORM:
case VK_FORMAT_R8G8B8_UNORM:
case VK_FORMAT_R8G8B8A8_UNORM:
case VK_FORMAT_A8B8G8R8_UNORM_PACK32:
case VK_FORMAT_A2B10G10R10_UNORM_PACK32:
case VK_FORMAT_R16_UNORM:
case VK_FORMAT_R16G16_UNORM:
case VK_FORMAT_R16G16B16_UNORM:
case VK_FORMAT_R16G16B16A16_UNORM:
case VK_FORMAT_BC1_RGB_UNORM_BLOCK:
case VK_FORMAT_BC2_UNORM_BLOCK:
case VK_FORMAT_BC3_UNORM_BLOCK:
case VK_FORMAT_BC4_UNORM_BLOCK:
case VK_FORMAT_BC5_UNORM_BLOCK:
case VK_FORMAT_BC7_UNORM_BLOCK:
case VK_FORMAT_ETC2_R8G8B8_UNORM_BLOCK:
case VK_FORMAT_ETC2_R8G8B8A1_UNORM_BLOCK:
case VK_FORMAT_ETC2_R8G8B8A8_UNORM_BLOCK:
case VK_FORMAT_EAC_R11_UNORM_BLOCK:
case VK_FORMAT_EAC_R11G11_UNORM_BLOCK:
case VK_FORMAT_ASTC_4x4_UNORM_BLOCK:
case VK_FORMAT_ASTC_5x4_UNORM_BLOCK:
case VK_FORMAT_ASTC_5x5_UNORM_BLOCK:
case VK_FORMAT_ASTC_6x5_UNORM_BLOCK:
case VK_FORMAT_ASTC_6x6_UNORM_BLOCK:
case VK_FORMAT_ASTC_8x5_UNORM_BLOCK:
case VK_FORMAT_ASTC_8x6_UNORM_BLOCK:
case VK_FORMAT_ASTC_8x8_UNORM_BLOCK:
case VK_FORMAT_ASTC_10x5_UNORM_BLOCK:
case VK_FORMAT_ASTC_10x6_UNORM_BLOCK:
case VK_FORMAT_ASTC_10x8_UNORM_BLOCK:
case VK_FORMAT_ASTC_10x10_UNORM_BLOCK:
case VK_FORMAT_ASTC_12x10_UNORM_BLOCK:
case VK_FORMAT_ASTC_12x12_UNORM_BLOCK:
case VK_FORMAT_B5G6R5_UNORM_PACK16:
case VK_FORMAT_B8G8R8_UNORM:
case VK_FORMAT_B8G8R8A8_UNORM:
case VK_FORMAT_A2R10G10B10_UNORM_PACK32:
is_unorm = true;
break;
default:
break;
}
return is_unorm;
}
// Return true if format is of type SNORM
VK_LAYER_EXPORT bool FormatIsSNorm(VkFormat format) {
bool is_snorm = false;
switch (format) {
case VK_FORMAT_R8_SNORM:
case VK_FORMAT_R8G8_SNORM:
case VK_FORMAT_R8G8B8_SNORM:
case VK_FORMAT_R8G8B8A8_SNORM:
case VK_FORMAT_A8B8G8R8_SNORM_PACK32:
case VK_FORMAT_A2B10G10R10_SNORM_PACK32:
case VK_FORMAT_R16_SNORM:
case VK_FORMAT_R16G16_SNORM:
case VK_FORMAT_R16G16B16_SNORM:
case VK_FORMAT_R16G16B16A16_SNORM:
case VK_FORMAT_BC4_SNORM_BLOCK:
case VK_FORMAT_BC5_SNORM_BLOCK:
case VK_FORMAT_EAC_R11_SNORM_BLOCK:
case VK_FORMAT_EAC_R11G11_SNORM_BLOCK:
case VK_FORMAT_B8G8R8_SNORM:
case VK_FORMAT_B8G8R8A8_SNORM:
case VK_FORMAT_A2R10G10B10_SNORM_PACK32:
is_snorm = true;
break;
default:
break;
}
return is_snorm;
}
// Return true if format is an integer format
VK_LAYER_EXPORT bool FormatIsInt(VkFormat format) { return (FormatIsSInt(format) || FormatIsUInt(format)); }
// Return true if format is an unsigned integer format
VK_LAYER_EXPORT bool FormatIsUInt(VkFormat format) {
bool is_uint = false;
switch (format) {
case VK_FORMAT_R8_UINT:
case VK_FORMAT_S8_UINT:
case VK_FORMAT_R8G8_UINT:
case VK_FORMAT_R8G8B8_UINT:
case VK_FORMAT_R8G8B8A8_UINT:
case VK_FORMAT_A8B8G8R8_UINT_PACK32:
case VK_FORMAT_A2B10G10R10_UINT_PACK32:
case VK_FORMAT_R16_UINT:
case VK_FORMAT_R16G16_UINT:
case VK_FORMAT_R16G16B16_UINT:
case VK_FORMAT_R16G16B16A16_UINT:
case VK_FORMAT_R32_UINT:
case VK_FORMAT_R32G32_UINT:
case VK_FORMAT_R32G32B32_UINT:
case VK_FORMAT_R32G32B32A32_UINT:
case VK_FORMAT_R64_UINT:
case VK_FORMAT_R64G64_UINT:
case VK_FORMAT_R64G64B64_UINT:
case VK_FORMAT_R64G64B64A64_UINT:
case VK_FORMAT_B8G8R8_UINT:
case VK_FORMAT_B8G8R8A8_UINT:
case VK_FORMAT_A2R10G10B10_UINT_PACK32:
is_uint = true;
break;
default:
break;
}
return is_uint;
}
// Return true if format is a signed integer format
VK_LAYER_EXPORT bool FormatIsSInt(VkFormat format) {
bool is_sint = false;
switch (format) {
case VK_FORMAT_R8_SINT:
case VK_FORMAT_R8G8_SINT:
case VK_FORMAT_R8G8B8_SINT:
case VK_FORMAT_R8G8B8A8_SINT:
case VK_FORMAT_A8B8G8R8_SINT_PACK32:
case VK_FORMAT_A2B10G10R10_SINT_PACK32:
case VK_FORMAT_R16_SINT:
case VK_FORMAT_R16G16_SINT:
case VK_FORMAT_R16G16B16_SINT:
case VK_FORMAT_R16G16B16A16_SINT:
case VK_FORMAT_R32_SINT:
case VK_FORMAT_R32G32_SINT:
case VK_FORMAT_R32G32B32_SINT:
case VK_FORMAT_R32G32B32A32_SINT:
case VK_FORMAT_R64_SINT:
case VK_FORMAT_R64G64_SINT:
case VK_FORMAT_R64G64B64_SINT:
case VK_FORMAT_R64G64B64A64_SINT:
case VK_FORMAT_B8G8R8_SINT:
case VK_FORMAT_B8G8R8A8_SINT:
case VK_FORMAT_A2R10G10B10_SINT_PACK32:
is_sint = true;
break;
default:
break;
}
return is_sint;
}
// Return true if format is a floating-point format
VK_LAYER_EXPORT bool FormatIsFloat(VkFormat format) {
bool is_float = false;
switch (format) {
case VK_FORMAT_R16_SFLOAT:
case VK_FORMAT_R16G16_SFLOAT:
case VK_FORMAT_R16G16B16_SFLOAT:
case VK_FORMAT_R16G16B16A16_SFLOAT:
case VK_FORMAT_R32_SFLOAT:
case VK_FORMAT_R32G32_SFLOAT:
case VK_FORMAT_R32G32B32_SFLOAT:
case VK_FORMAT_R32G32B32A32_SFLOAT:
case VK_FORMAT_R64_SFLOAT:
case VK_FORMAT_R64G64_SFLOAT:
case VK_FORMAT_R64G64B64_SFLOAT:
case VK_FORMAT_R64G64B64A64_SFLOAT:
case VK_FORMAT_B10G11R11_UFLOAT_PACK32:
case VK_FORMAT_E5B9G9R9_UFLOAT_PACK32:
case VK_FORMAT_BC6H_UFLOAT_BLOCK:
case VK_FORMAT_BC6H_SFLOAT_BLOCK:
is_float = true;
break;
default:
break;
}
return is_float;
}
// Return true if format is in the SRGB colorspace
VK_LAYER_EXPORT bool FormatIsSRGB(VkFormat format) {
bool is_srgb = false;
switch (format) {
case VK_FORMAT_R8_SRGB:
case VK_FORMAT_R8G8_SRGB:
case VK_FORMAT_R8G8B8_SRGB:
case VK_FORMAT_R8G8B8A8_SRGB:
case VK_FORMAT_A8B8G8R8_SRGB_PACK32:
case VK_FORMAT_BC1_RGB_SRGB_BLOCK:
case VK_FORMAT_BC2_SRGB_BLOCK:
case VK_FORMAT_BC3_SRGB_BLOCK:
case VK_FORMAT_BC7_SRGB_BLOCK:
case VK_FORMAT_ETC2_R8G8B8_SRGB_BLOCK:
case VK_FORMAT_ETC2_R8G8B8A1_SRGB_BLOCK:
case VK_FORMAT_ETC2_R8G8B8A8_SRGB_BLOCK:
case VK_FORMAT_ASTC_4x4_SRGB_BLOCK:
case VK_FORMAT_ASTC_5x4_SRGB_BLOCK:
case VK_FORMAT_ASTC_5x5_SRGB_BLOCK:
case VK_FORMAT_ASTC_6x5_SRGB_BLOCK:
case VK_FORMAT_ASTC_6x6_SRGB_BLOCK:
case VK_FORMAT_ASTC_8x5_SRGB_BLOCK:
case VK_FORMAT_ASTC_8x6_SRGB_BLOCK:
case VK_FORMAT_ASTC_8x8_SRGB_BLOCK:
case VK_FORMAT_ASTC_10x5_SRGB_BLOCK:
case VK_FORMAT_ASTC_10x6_SRGB_BLOCK:
case VK_FORMAT_ASTC_10x8_SRGB_BLOCK:
case VK_FORMAT_ASTC_10x10_SRGB_BLOCK:
case VK_FORMAT_ASTC_12x10_SRGB_BLOCK:
case VK_FORMAT_ASTC_12x12_SRGB_BLOCK:
case VK_FORMAT_B8G8R8_SRGB:
case VK_FORMAT_B8G8R8A8_SRGB:
is_srgb = true;
break;
default:
break;
}
return is_srgb;
}
// Return true if format is a USCALED format
VK_LAYER_EXPORT bool FormatIsUScaled(VkFormat format) {
bool is_uscaled = false;
switch (format) {
case VK_FORMAT_R8_USCALED:
case VK_FORMAT_R8G8_USCALED:
case VK_FORMAT_R8G8B8_USCALED:
case VK_FORMAT_B8G8R8_USCALED:
case VK_FORMAT_R8G8B8A8_USCALED:
case VK_FORMAT_B8G8R8A8_USCALED:
case VK_FORMAT_A8B8G8R8_USCALED_PACK32:
case VK_FORMAT_A2R10G10B10_USCALED_PACK32:
case VK_FORMAT_A2B10G10R10_USCALED_PACK32:
case VK_FORMAT_R16_USCALED:
case VK_FORMAT_R16G16_USCALED:
case VK_FORMAT_R16G16B16_USCALED:
case VK_FORMAT_R16G16B16A16_USCALED:
is_uscaled = true;
break;
default:
break;
}
return is_uscaled;
}
// Return true if format is a SSCALED format
VK_LAYER_EXPORT bool FormatIsSScaled(VkFormat format) {
bool is_sscaled = false;
switch (format) {
case VK_FORMAT_R8_SSCALED:
case VK_FORMAT_R8G8_SSCALED:
case VK_FORMAT_R8G8B8_SSCALED:
case VK_FORMAT_B8G8R8_SSCALED:
case VK_FORMAT_R8G8B8A8_SSCALED:
case VK_FORMAT_B8G8R8A8_SSCALED:
case VK_FORMAT_A8B8G8R8_SSCALED_PACK32:
case VK_FORMAT_A2R10G10B10_SSCALED_PACK32:
case VK_FORMAT_A2B10G10R10_SSCALED_PACK32:
case VK_FORMAT_R16_SSCALED:
case VK_FORMAT_R16G16_SSCALED:
case VK_FORMAT_R16G16B16_SSCALED:
case VK_FORMAT_R16G16B16A16_SSCALED:
is_sscaled = true;
break;
default:
break;
}
return is_sscaled;
}
// Return texel block sizes for all formats
// Uncompressed formats return {1, 1, 1}
// Compressed formats return the compression block extents
// Multiplane formats return the 'shared' extent of their low-res channel(s)
VK_LAYER_EXPORT VkExtent3D FormatTexelBlockExtent(VkFormat format) {
VkExtent3D block_size = {1, 1, 1};
switch (format) {
case VK_FORMAT_BC1_RGB_UNORM_BLOCK:
case VK_FORMAT_BC1_RGB_SRGB_BLOCK:
case VK_FORMAT_BC1_RGBA_UNORM_BLOCK:
case VK_FORMAT_BC1_RGBA_SRGB_BLOCK:
case VK_FORMAT_BC2_UNORM_BLOCK:
case VK_FORMAT_BC2_SRGB_BLOCK:
case VK_FORMAT_BC3_UNORM_BLOCK:
case VK_FORMAT_BC3_SRGB_BLOCK:
case VK_FORMAT_BC4_UNORM_BLOCK:
case VK_FORMAT_BC4_SNORM_BLOCK:
case VK_FORMAT_BC5_UNORM_BLOCK:
case VK_FORMAT_BC5_SNORM_BLOCK:
case VK_FORMAT_BC6H_UFLOAT_BLOCK:
case VK_FORMAT_BC6H_SFLOAT_BLOCK:
case VK_FORMAT_BC7_UNORM_BLOCK:
case VK_FORMAT_BC7_SRGB_BLOCK:
case VK_FORMAT_ETC2_R8G8B8_UNORM_BLOCK:
case VK_FORMAT_ETC2_R8G8B8_SRGB_BLOCK:
case VK_FORMAT_ETC2_R8G8B8A1_UNORM_BLOCK:
case VK_FORMAT_ETC2_R8G8B8A1_SRGB_BLOCK:
case VK_FORMAT_ETC2_R8G8B8A8_UNORM_BLOCK:
case VK_FORMAT_ETC2_R8G8B8A8_SRGB_BLOCK:
case VK_FORMAT_EAC_R11_UNORM_BLOCK:
case VK_FORMAT_EAC_R11_SNORM_BLOCK:
case VK_FORMAT_EAC_R11G11_UNORM_BLOCK:
case VK_FORMAT_EAC_R11G11_SNORM_BLOCK:
case VK_FORMAT_ASTC_4x4_UNORM_BLOCK:
case VK_FORMAT_ASTC_4x4_SRGB_BLOCK:
block_size = {4, 4, 1};
break;
case VK_FORMAT_ASTC_5x4_UNORM_BLOCK:
case VK_FORMAT_ASTC_5x4_SRGB_BLOCK:
block_size = {5, 4, 1};
break;
case VK_FORMAT_ASTC_5x5_UNORM_BLOCK:
case VK_FORMAT_ASTC_5x5_SRGB_BLOCK:
block_size = {5, 5, 1};
break;
case VK_FORMAT_ASTC_6x5_UNORM_BLOCK:
case VK_FORMAT_ASTC_6x5_SRGB_BLOCK:
block_size = {6, 5, 1};
break;
case VK_FORMAT_ASTC_6x6_UNORM_BLOCK:
case VK_FORMAT_ASTC_6x6_SRGB_BLOCK:
block_size = {6, 6, 1};
break;
case VK_FORMAT_ASTC_8x5_UNORM_BLOCK:
case VK_FORMAT_ASTC_8x5_SRGB_BLOCK:
block_size = {8, 5, 1};
break;
case VK_FORMAT_ASTC_8x6_UNORM_BLOCK:
case VK_FORMAT_ASTC_8x6_SRGB_BLOCK:
block_size = {8, 6, 1};
break;
case VK_FORMAT_ASTC_8x8_UNORM_BLOCK:
case VK_FORMAT_ASTC_8x8_SRGB_BLOCK:
block_size = {8, 8, 1};
break;
case VK_FORMAT_ASTC_10x5_UNORM_BLOCK:
case VK_FORMAT_ASTC_10x5_SRGB_BLOCK:
block_size = {10, 5, 1};
break;
case VK_FORMAT_ASTC_10x6_UNORM_BLOCK:
case VK_FORMAT_ASTC_10x6_SRGB_BLOCK:
block_size = {10, 6, 1};
break;
case VK_FORMAT_ASTC_10x8_UNORM_BLOCK:
case VK_FORMAT_ASTC_10x8_SRGB_BLOCK:
block_size = {10, 8, 1};
break;
case VK_FORMAT_ASTC_10x10_UNORM_BLOCK:
case VK_FORMAT_ASTC_10x10_SRGB_BLOCK:
block_size = {10, 10, 1};
break;
case VK_FORMAT_ASTC_12x10_UNORM_BLOCK:
case VK_FORMAT_ASTC_12x10_SRGB_BLOCK:
block_size = {12, 10, 1};
break;
case VK_FORMAT_ASTC_12x12_UNORM_BLOCK:
case VK_FORMAT_ASTC_12x12_SRGB_BLOCK:
block_size = {12, 12, 1};
break;
case VK_FORMAT_PVRTC1_2BPP_UNORM_BLOCK_IMG:
case VK_FORMAT_PVRTC2_2BPP_UNORM_BLOCK_IMG:
case VK_FORMAT_PVRTC1_2BPP_SRGB_BLOCK_IMG:
case VK_FORMAT_PVRTC2_2BPP_SRGB_BLOCK_IMG:
block_size = {8, 4, 1};
break;
case VK_FORMAT_PVRTC1_4BPP_UNORM_BLOCK_IMG:
case VK_FORMAT_PVRTC2_4BPP_UNORM_BLOCK_IMG:
case VK_FORMAT_PVRTC1_4BPP_SRGB_BLOCK_IMG:
case VK_FORMAT_PVRTC2_4BPP_SRGB_BLOCK_IMG:
block_size = {4, 4, 1};
break;
// (KHR_sampler_ycbcr_conversion) _422 single-plane formats are treated as 2x1 compressed (for copies)
case VK_FORMAT_G8B8G8R8_422_UNORM: