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skia / external / github.com / KhronosGroup / MoltenVK / 6c0ab0f4c25413fc27f0f88231e35da2835e0828 / . / MoltenVK / MoltenVK / Vulkan / mvk_datatypes.mm
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/*
* mvk_datatypes.mm
*
* Copyright (c) 2014-2018 The Brenwill Workshop Ltd. (http://www.brenwill.com)
*
* 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.
*/
#include "MVKEnvironment.h"
#include "mvk_datatypes.h"
#include "MVKFoundation.h"
#include "MVKOSExtensions.h"
#include "MVKLogging.h"
#include <unordered_map>
#include <string>
#include <limits>
using namespace std;
#pragma mark -
#pragma mark Image properties
#define MVK_FMT_IMAGE_FEATS (VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT \
| VK_FORMAT_FEATURE_STORAGE_IMAGE_BIT \
| VK_FORMAT_FEATURE_STORAGE_IMAGE_ATOMIC_BIT \
| VK_FORMAT_FEATURE_TRANSFER_SRC_BIT \
| VK_FORMAT_FEATURE_TRANSFER_DST_BIT)
#define MVK_FMT_COLOR_INTEGER_FEATS (MVK_FMT_IMAGE_FEATS \
| VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT \
| VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BLEND_BIT \
| VK_FORMAT_FEATURE_BLIT_SRC_BIT \
| VK_FORMAT_FEATURE_BLIT_DST_BIT)
#define MVK_FMT_COLOR_FEATS (MVK_FMT_COLOR_INTEGER_FEATS | VK_FORMAT_FEATURE_SAMPLED_IMAGE_FILTER_LINEAR_BIT)
#if MVK_IOS
// iOS does not support filtering of float32 values.
# define MVK_FMT_COLOR_FLOAT32_FEATS MVK_FMT_COLOR_INTEGER_FEATS
#else
# define MVK_FMT_COLOR_FLOAT32_FEATS MVK_FMT_COLOR_FEATS
#endif
#define MVK_FMT_STENCIL_FEATS (MVK_FMT_IMAGE_FEATS | VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT)
#if MVK_IOS
// iOS does not support filtering of depth values.
# define MVK_FMT_DEPTH_FEATS MVK_FMT_STENCIL_FEATS
#else
# define MVK_FMT_DEPTH_FEATS (MVK_FMT_STENCIL_FEATS | VK_FORMAT_FEATURE_SAMPLED_IMAGE_FILTER_LINEAR_BIT)
#endif
#if MVK_MACOS
// macOS does not support linear images as framebuffer attachments.
#define MVK_FMT_LINEAR_TILING_FEATS (MVK_FMT_IMAGE_FEATS \
| VK_FORMAT_FEATURE_BLIT_SRC_BIT \
| VK_FORMAT_FEATURE_BLIT_DST_BIT)
#else
#define MVK_FMT_LINEAR_TILING_FEATS MVK_FMT_COLOR_FEATS
#endif
#define MVK_FMT_BUFFER_FEATS (VK_FORMAT_FEATURE_UNIFORM_TEXEL_BUFFER_BIT \
| VK_FORMAT_FEATURE_STORAGE_TEXEL_BUFFER_BIT \
| VK_FORMAT_FEATURE_STORAGE_TEXEL_BUFFER_ATOMIC_BIT)
#define MVK_FMT_BUFFER_VTX_FEATS (MVK_FMT_BUFFER_FEATS | VK_FORMAT_FEATURE_VERTEX_BUFFER_BIT)
#define MVK_FMT_NO_FEATS 0
#define MVK_MAKE_FMT_STRUCT(VK_FMT, MTL_FMT, MTL_FMT_ALT, IOS_SINCE, MACOS_SINCE, BLK_W, BLK_H, BLK_BYTE_CNT, MTL_VTX_FMT, CLR_TYPE, PIXEL_FEATS, BUFFER_FEATS) \
{ VK_FMT, MTL_FMT, MTL_FMT_ALT, IOS_SINCE, MACOS_SINCE, { BLK_W, BLK_H }, BLK_BYTE_CNT, MTL_VTX_FMT, CLR_TYPE, { (PIXEL_FEATS & MVK_FMT_LINEAR_TILING_FEATS), PIXEL_FEATS, BUFFER_FEATS }, #VK_FMT, #MTL_FMT }
#pragma mark Texture formats
static const MVKOSVersion kMTLFmtNA = numeric_limits<MVKOSVersion>::max();
/** Describes the properties of each VkFormat, including the corresponding Metal pixel format. */
typedef struct {
VkFormat vk;
MTLPixelFormat mtl;
MTLPixelFormat mtlSubstitute;
MVKOSVersion sinceIOSVersion;
MVKOSVersion sinceMacOSVersion;
VkExtent2D blockTexelSize;
uint32_t bytesPerBlock;
MTLVertexFormat mtlVertexFormat;
MVKFormatType formatType;
VkFormatProperties properties;
const char* vkName;
const char* mtlName;
inline double bytesPerTexel() const { return (double)bytesPerBlock / (double)(blockTexelSize.width * blockTexelSize.height); };
inline MVKOSVersion sinceOSVersion() const {
#if MVK_IOS
return sinceIOSVersion;
#endif
#if MVK_MACOS
return sinceMacOSVersion;
#endif
}
inline bool isSupported() const { return (mtl != MTLPixelFormatInvalid) && (mvkOSVersion() >= sinceOSVersion()); };
inline bool isSupportedOrSubstitutable() const { return isSupported() || (mtlSubstitute != MTLPixelFormatInvalid); };
} MVKFormatDesc;
/** Mapping between Vulkan and Metal pixel formats. */
#if MVK_MACOS
# define MTLPixelFormatABGR4Unorm MTLPixelFormatInvalid
# define MTLPixelFormatB5G6R5Unorm MTLPixelFormatInvalid
# define MTLPixelFormatA1BGR5Unorm MTLPixelFormatInvalid
# define MTLPixelFormatBGR5A1Unorm MTLPixelFormatInvalid
# define MTLPixelFormatR8Unorm_sRGB MTLPixelFormatInvalid
# define MTLPixelFormatRG8Unorm_sRGB MTLPixelFormatInvalid
# define MTLPixelFormatETC2_RGB8 MTLPixelFormatInvalid
# define MTLPixelFormatETC2_RGB8_sRGB MTLPixelFormatInvalid
# define MTLPixelFormatETC2_RGB8A1 MTLPixelFormatInvalid
# define MTLPixelFormatETC2_RGB8A1_sRGB MTLPixelFormatInvalid
# define MTLPixelFormatEAC_RGBA8 MTLPixelFormatInvalid
# define MTLPixelFormatEAC_RGBA8_sRGB MTLPixelFormatInvalid
# define MTLPixelFormatEAC_R11Unorm MTLPixelFormatInvalid
# define MTLPixelFormatEAC_R11Snorm MTLPixelFormatInvalid
# define MTLPixelFormatEAC_RG11Unorm MTLPixelFormatInvalid
# define MTLPixelFormatEAC_RG11Snorm MTLPixelFormatInvalid
# define MTLPixelFormatASTC_4x4_LDR MTLPixelFormatInvalid
# define MTLPixelFormatASTC_4x4_sRGB MTLPixelFormatInvalid
# define MTLPixelFormatASTC_5x4_LDR MTLPixelFormatInvalid
# define MTLPixelFormatASTC_5x4_sRGB MTLPixelFormatInvalid
# define MTLPixelFormatASTC_5x5_LDR MTLPixelFormatInvalid
# define MTLPixelFormatASTC_5x5_sRGB MTLPixelFormatInvalid
# define MTLPixelFormatASTC_6x5_LDR MTLPixelFormatInvalid
# define MTLPixelFormatASTC_6x5_sRGB MTLPixelFormatInvalid
# define MTLPixelFormatASTC_6x6_LDR MTLPixelFormatInvalid
# define MTLPixelFormatASTC_6x6_sRGB MTLPixelFormatInvalid
# define MTLPixelFormatASTC_8x5_LDR MTLPixelFormatInvalid
# define MTLPixelFormatASTC_8x5_sRGB MTLPixelFormatInvalid
# define MTLPixelFormatASTC_8x6_LDR MTLPixelFormatInvalid
# define MTLPixelFormatASTC_8x6_sRGB MTLPixelFormatInvalid
# define MTLPixelFormatASTC_8x8_LDR MTLPixelFormatInvalid
# define MTLPixelFormatASTC_8x8_sRGB MTLPixelFormatInvalid
# define MTLPixelFormatASTC_10x5_LDR MTLPixelFormatInvalid
# define MTLPixelFormatASTC_10x5_sRGB MTLPixelFormatInvalid
# define MTLPixelFormatASTC_10x6_LDR MTLPixelFormatInvalid
# define MTLPixelFormatASTC_10x6_sRGB MTLPixelFormatInvalid
# define MTLPixelFormatASTC_10x8_LDR MTLPixelFormatInvalid
# define MTLPixelFormatASTC_10x8_sRGB MTLPixelFormatInvalid
# define MTLPixelFormatASTC_10x10_LDR MTLPixelFormatInvalid
# define MTLPixelFormatASTC_10x10_sRGB MTLPixelFormatInvalid
# define MTLPixelFormatASTC_12x10_LDR MTLPixelFormatInvalid
# define MTLPixelFormatASTC_12x10_sRGB MTLPixelFormatInvalid
# define MTLPixelFormatASTC_12x12_LDR MTLPixelFormatInvalid
# define MTLPixelFormatASTC_12x12_sRGB MTLPixelFormatInvalid
# define MTLPixelFormatPVRTC_RGB_2BPP MTLPixelFormatInvalid
# define MTLPixelFormatPVRTC_RGB_2BPP_sRGB MTLPixelFormatInvalid
# define MTLPixelFormatPVRTC_RGB_4BPP MTLPixelFormatInvalid
# define MTLPixelFormatPVRTC_RGB_4BPP_sRGB MTLPixelFormatInvalid
# define MTLPixelFormatPVRTC_RGBA_2BPP MTLPixelFormatInvalid
# define MTLPixelFormatPVRTC_RGBA_2BPP_sRGB MTLPixelFormatInvalid
# define MTLPixelFormatPVRTC_RGBA_4BPP MTLPixelFormatInvalid
# define MTLPixelFormatPVRTC_RGBA_4BPP_sRGB MTLPixelFormatInvalid
# define MTLPixelFormatDepth16Unorm_Stencil8 MTLPixelFormatDepth24Unorm_Stencil8
#endif
#if MVK_IOS
# define MTLPixelFormatDepth16Unorm MTLPixelFormatInvalid
# define MTLPixelFormatDepth24Unorm_Stencil8 MTLPixelFormatInvalid
# define MTLPixelFormatBC1_RGBA MTLPixelFormatInvalid
# define MTLPixelFormatBC1_RGBA_sRGB MTLPixelFormatInvalid
# define MTLPixelFormatBC2_RGBA MTLPixelFormatInvalid
# define MTLPixelFormatBC2_RGBA_sRGB MTLPixelFormatInvalid
# define MTLPixelFormatBC3_RGBA MTLPixelFormatInvalid
# define MTLPixelFormatBC3_RGBA_sRGB MTLPixelFormatInvalid
# define MTLPixelFormatBC4_RUnorm MTLPixelFormatInvalid
# define MTLPixelFormatBC4_RSnorm MTLPixelFormatInvalid
# define MTLPixelFormatBC5_RGUnorm MTLPixelFormatInvalid
# define MTLPixelFormatBC5_RGSnorm MTLPixelFormatInvalid
# define MTLPixelFormatBC6H_RGBUfloat MTLPixelFormatInvalid
# define MTLPixelFormatBC6H_RGBFloat MTLPixelFormatInvalid
# define MTLPixelFormatBC7_RGBAUnorm MTLPixelFormatInvalid
# define MTLPixelFormatBC7_RGBAUnorm_sRGB MTLPixelFormatInvalid
# define MTLPixelFormatDepth16Unorm_Stencil8 MTLPixelFormatDepth32Float_Stencil8
#endif
static const MVKFormatDesc _formatDescriptions[] {
MVK_MAKE_FMT_STRUCT( VK_FORMAT_UNDEFINED, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 1, 1, 0, MTLVertexFormatInvalid, kMVKFormatNone, MVK_FMT_NO_FEATS, MVK_FMT_NO_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R4G4_UNORM_PACK8, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 1, 1, 1, MTLVertexFormatInvalid, kMVKFormatColorFloat, MVK_FMT_NO_FEATS, MVK_FMT_NO_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R4G4B4A4_UNORM_PACK16, MTLPixelFormatABGR4Unorm, MTLPixelFormatInvalid, 8.0, kMTLFmtNA, 1, 1, 2, MTLVertexFormatInvalid, kMVKFormatColorFloat, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_FEATS ), // Vulkan packed is reversed
MVK_MAKE_FMT_STRUCT( VK_FORMAT_B4G4R4A4_UNORM_PACK16, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 1, 1, 2, MTLVertexFormatInvalid, kMVKFormatColorFloat, MVK_FMT_NO_FEATS, MVK_FMT_NO_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R5G6B5_UNORM_PACK16, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 1, 1, 2, MTLVertexFormatInvalid, kMVKFormatColorFloat, MVK_FMT_NO_FEATS, MVK_FMT_NO_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_B5G6R5_UNORM_PACK16, MTLPixelFormatB5G6R5Unorm, MTLPixelFormatInvalid, 8.0, kMTLFmtNA, 1, 1, 2, MTLVertexFormatInvalid, kMVKFormatColorFloat, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R5G5B5A1_UNORM_PACK16, MTLPixelFormatA1BGR5Unorm, MTLPixelFormatInvalid, 8.0, kMTLFmtNA, 1, 1, 2, MTLVertexFormatInvalid, kMVKFormatColorFloat, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_B5G5R5A1_UNORM_PACK16, MTLPixelFormatBGR5A1Unorm, MTLPixelFormatInvalid, 8.0, kMTLFmtNA, 1, 1, 2, MTLVertexFormatInvalid, kMVKFormatColorFloat, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_A1R5G5B5_UNORM_PACK16, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 1, 1, 2, MTLVertexFormatInvalid, kMVKFormatColorFloat, MVK_FMT_NO_FEATS, MVK_FMT_NO_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R8_UNORM, MTLPixelFormatR8Unorm, MTLPixelFormatInvalid, 8.0, 10.11, 1, 1, 1, MTLVertexFormatUChar2Normalized, kMVKFormatColorFloat, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_VTX_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R8_SNORM, MTLPixelFormatR8Snorm, MTLPixelFormatInvalid, 8.0, 10.11, 1, 1, 1, MTLVertexFormatChar2Normalized, kMVKFormatColorFloat, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_VTX_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R8_USCALED, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 1, 1, 1, MTLVertexFormatInvalid, kMVKFormatColorFloat, MVK_FMT_NO_FEATS, MVK_FMT_NO_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R8_SSCALED, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 1, 1, 1, MTLVertexFormatInvalid, kMVKFormatColorFloat, MVK_FMT_NO_FEATS, MVK_FMT_NO_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R8_UINT, MTLPixelFormatR8Uint, MTLPixelFormatInvalid, 8.0, 10.11, 1, 1, 1, MTLVertexFormatUChar2, kMVKFormatColorUInt32, MVK_FMT_COLOR_INTEGER_FEATS, MVK_FMT_BUFFER_VTX_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R8_SINT, MTLPixelFormatR8Sint, MTLPixelFormatInvalid, 8.0, 10.11, 1, 1, 1, MTLVertexFormatChar2, kMVKFormatColorInt32, MVK_FMT_COLOR_INTEGER_FEATS, MVK_FMT_BUFFER_VTX_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R8_SRGB, MTLPixelFormatR8Unorm_sRGB, MTLPixelFormatInvalid, 8.0, kMTLFmtNA, 1, 1, 1, MTLVertexFormatUChar2, kMVKFormatColorFloat, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_VTX_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R8G8_UNORM, MTLPixelFormatRG8Unorm, MTLPixelFormatInvalid, 8.0, 10.11, 1, 1, 2, MTLVertexFormatUChar2Normalized, kMVKFormatColorFloat, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_VTX_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R8G8_SNORM, MTLPixelFormatRG8Snorm, MTLPixelFormatInvalid, 8.0, 10.11, 1, 1, 2, MTLVertexFormatChar2Normalized, kMVKFormatColorFloat, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_VTX_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R8G8_USCALED, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 1, 1, 2, MTLVertexFormatInvalid, kMVKFormatColorFloat, MVK_FMT_NO_FEATS, MVK_FMT_NO_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R8G8_SSCALED, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 1, 1, 2, MTLVertexFormatInvalid, kMVKFormatColorFloat, MVK_FMT_NO_FEATS, MVK_FMT_NO_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R8G8_UINT, MTLPixelFormatRG8Uint, MTLPixelFormatInvalid, 8.0, 10.11, 1, 1, 2, MTLVertexFormatUChar2, kMVKFormatColorUInt32, MVK_FMT_COLOR_INTEGER_FEATS, MVK_FMT_BUFFER_VTX_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R8G8_SINT, MTLPixelFormatRG8Sint, MTLPixelFormatInvalid, 8.0, 10.11, 1, 1, 2, MTLVertexFormatChar2, kMVKFormatColorInt32, MVK_FMT_COLOR_INTEGER_FEATS, MVK_FMT_BUFFER_VTX_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R8G8_SRGB, MTLPixelFormatRG8Unorm_sRGB, MTLPixelFormatInvalid, 8.0, kMTLFmtNA, 1, 1, 2, MTLVertexFormatUChar2, kMVKFormatColorFloat, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_VTX_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R8G8B8_UNORM, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 1, 1, 3, MTLVertexFormatUChar3Normalized, kMVKFormatColorFloat, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_VTX_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R8G8B8_SNORM, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 1, 1, 3, MTLVertexFormatChar3Normalized, kMVKFormatColorFloat, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_VTX_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R8G8B8_USCALED, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 1, 1, 3, MTLVertexFormatInvalid, kMVKFormatColorFloat, MVK_FMT_NO_FEATS, MVK_FMT_NO_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R8G8B8_SSCALED, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 1, 1, 3, MTLVertexFormatInvalid, kMVKFormatColorFloat, MVK_FMT_NO_FEATS, MVK_FMT_NO_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R8G8B8_UINT, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 1, 1, 3, MTLVertexFormatUChar3, kMVKFormatColorUInt32, MVK_FMT_COLOR_INTEGER_FEATS, MVK_FMT_BUFFER_VTX_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R8G8B8_SINT, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 1, 1, 3, MTLVertexFormatChar3, kMVKFormatColorInt32, MVK_FMT_COLOR_INTEGER_FEATS, MVK_FMT_BUFFER_VTX_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R8G8B8_SRGB, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 1, 1, 3, MTLVertexFormatUChar3, kMVKFormatColorFloat, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_VTX_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_B8G8R8_UNORM, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 1, 1, 3, MTLVertexFormatInvalid, kMVKFormatColorFloat, MVK_FMT_NO_FEATS, MVK_FMT_NO_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_B8G8R8_SNORM, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 1, 1, 3, MTLVertexFormatInvalid, kMVKFormatColorFloat, MVK_FMT_NO_FEATS, MVK_FMT_NO_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_B8G8R8_USCALED, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 1, 1, 3, MTLVertexFormatInvalid, kMVKFormatColorFloat, MVK_FMT_NO_FEATS, MVK_FMT_NO_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_B8G8R8_SSCALED, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 1, 1, 3, MTLVertexFormatInvalid, kMVKFormatColorFloat, MVK_FMT_NO_FEATS, MVK_FMT_NO_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_B8G8R8_UINT, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 1, 1, 3, MTLVertexFormatInvalid, kMVKFormatColorUInt32, MVK_FMT_NO_FEATS, MVK_FMT_NO_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_B8G8R8_SINT, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 1, 1, 3, MTLVertexFormatInvalid, kMVKFormatColorInt32, MVK_FMT_NO_FEATS, MVK_FMT_NO_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_B8G8R8_SRGB, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 1, 1, 3, MTLVertexFormatInvalid, kMVKFormatColorFloat, MVK_FMT_NO_FEATS, MVK_FMT_NO_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R8G8B8A8_UNORM, MTLPixelFormatRGBA8Unorm, MTLPixelFormatInvalid, 8.0, 10.11, 1, 1, 4, MTLVertexFormatUChar4Normalized, kMVKFormatColorFloat, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_VTX_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R8G8B8A8_SNORM, MTLPixelFormatRGBA8Snorm, MTLPixelFormatInvalid, 8.0, 10.11, 1, 1, 4, MTLVertexFormatChar4Normalized, kMVKFormatColorFloat, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_VTX_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R8G8B8A8_USCALED, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 1, 1, 4, MTLVertexFormatInvalid, kMVKFormatColorFloat, MVK_FMT_NO_FEATS, MVK_FMT_NO_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R8G8B8A8_SSCALED, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 1, 1, 4, MTLVertexFormatInvalid, kMVKFormatColorFloat, MVK_FMT_NO_FEATS, MVK_FMT_NO_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R8G8B8A8_UINT, MTLPixelFormatRGBA8Uint, MTLPixelFormatInvalid, 8.0, 10.11, 1, 1, 4, MTLVertexFormatUChar4, kMVKFormatColorUInt32, MVK_FMT_COLOR_INTEGER_FEATS, MVK_FMT_BUFFER_VTX_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R8G8B8A8_SINT, MTLPixelFormatRGBA8Sint, MTLPixelFormatInvalid, 8.0, 10.11, 1, 1, 4, MTLVertexFormatChar4, kMVKFormatColorInt32, MVK_FMT_COLOR_INTEGER_FEATS, MVK_FMT_BUFFER_VTX_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R8G8B8A8_SRGB, MTLPixelFormatRGBA8Unorm_sRGB, MTLPixelFormatInvalid, 8.0, 10.11, 1, 1, 4, MTLVertexFormatUChar4, kMVKFormatColorFloat, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_VTX_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_B8G8R8A8_UNORM, MTLPixelFormatBGRA8Unorm, MTLPixelFormatInvalid, 8.0, 10.11, 1, 1, 4, MTLVertexFormatInvalid, kMVKFormatColorFloat, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_B8G8R8A8_SNORM, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 1, 1, 4, MTLVertexFormatInvalid, kMVKFormatColorFloat, MVK_FMT_NO_FEATS, MVK_FMT_NO_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_B8G8R8A8_USCALED, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 1, 1, 4, MTLVertexFormatInvalid, kMVKFormatColorFloat, MVK_FMT_NO_FEATS, MVK_FMT_NO_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_B8G8R8A8_SSCALED, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 1, 1, 4, MTLVertexFormatInvalid, kMVKFormatColorFloat, MVK_FMT_NO_FEATS, MVK_FMT_NO_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_B8G8R8A8_UINT, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 1, 1, 4, MTLVertexFormatInvalid, kMVKFormatColorUInt32, MVK_FMT_NO_FEATS, MVK_FMT_NO_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_B8G8R8A8_SINT, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 1, 1, 4, MTLVertexFormatInvalid, kMVKFormatColorInt32, MVK_FMT_NO_FEATS, MVK_FMT_NO_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_B8G8R8A8_SRGB, MTLPixelFormatBGRA8Unorm_sRGB, MTLPixelFormatInvalid, 8.0, 10.11, 1, 1, 4, MTLVertexFormatInvalid, kMVKFormatColorFloat, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_A8B8G8R8_UNORM_PACK32, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 1, 1, 4, MTLVertexFormatInvalid, kMVKFormatColorUInt32, MVK_FMT_NO_FEATS, MVK_FMT_NO_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_A8B8G8R8_SNORM_PACK32, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 1, 1, 4, MTLVertexFormatInvalid, kMVKFormatColorInt32, MVK_FMT_NO_FEATS, MVK_FMT_NO_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_A8B8G8R8_USCALED_PACK32, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 1, 1, 4, MTLVertexFormatInvalid, kMVKFormatColorUInt32, MVK_FMT_NO_FEATS, MVK_FMT_NO_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_A8B8G8R8_SSCALED_PACK32, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 1, 1, 4, MTLVertexFormatInvalid, kMVKFormatColorInt32, MVK_FMT_NO_FEATS, MVK_FMT_NO_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_A8B8G8R8_UINT_PACK32, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 1, 1, 4, MTLVertexFormatInvalid, kMVKFormatColorUInt32, MVK_FMT_NO_FEATS, MVK_FMT_NO_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_A8B8G8R8_SINT_PACK32, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 1, 1, 4, MTLVertexFormatInvalid, kMVKFormatColorInt32, MVK_FMT_NO_FEATS, MVK_FMT_NO_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_A8B8G8R8_SRGB_PACK32, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 1, 1, 4, MTLVertexFormatInvalid, kMVKFormatColorUInt32, MVK_FMT_NO_FEATS, MVK_FMT_NO_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_A2R10G10B10_UNORM_PACK32, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 1, 1, 4, MTLVertexFormatInvalid, kMVKFormatColorFloat, MVK_FMT_NO_FEATS, MVK_FMT_NO_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_A2R10G10B10_SNORM_PACK32, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 1, 1, 4, MTLVertexFormatInt1010102Normalized, kMVKFormatColorFloat, MVK_FMT_NO_FEATS, MVK_FMT_NO_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_A2R10G10B10_USCALED_PACK32, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 1, 1, 4, MTLVertexFormatInvalid, kMVKFormatColorFloat, MVK_FMT_NO_FEATS, MVK_FMT_NO_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_A2R10G10B10_SSCALED_PACK32, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 1, 1, 4, MTLVertexFormatInvalid, kMVKFormatColorFloat, MVK_FMT_NO_FEATS, MVK_FMT_NO_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_A2R10G10B10_UINT_PACK32, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 1, 1, 4, MTLVertexFormatInvalid, kMVKFormatColorUInt32, MVK_FMT_NO_FEATS, MVK_FMT_NO_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_A2R10G10B10_SINT_PACK32, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 1, 1, 4, MTLVertexFormatInvalid, kMVKFormatColorInt32, MVK_FMT_NO_FEATS, MVK_FMT_NO_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_A2B10G10R10_UNORM_PACK32, MTLPixelFormatRGB10A2Unorm, MTLPixelFormatInvalid, 8.0, 10.11, 1, 1, 4, MTLVertexFormatUInt1010102Normalized, kMVKFormatColorFloat, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_VTX_FEATS ), // Vulkan packed is reversed
MVK_MAKE_FMT_STRUCT( VK_FORMAT_A2B10G10R10_SNORM_PACK32, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 1, 1, 4, MTLVertexFormatInt1010102Normalized, kMVKFormatColorFloat, MVK_FMT_NO_FEATS, MVK_FMT_NO_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_A2B10G10R10_USCALED_PACK32, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 1, 1, 4, MTLVertexFormatInvalid, kMVKFormatColorFloat, MVK_FMT_NO_FEATS, MVK_FMT_NO_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_A2B10G10R10_SSCALED_PACK32, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 1, 1, 4, MTLVertexFormatInvalid, kMVKFormatColorFloat, MVK_FMT_NO_FEATS, MVK_FMT_NO_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_A2B10G10R10_UINT_PACK32, MTLPixelFormatRGB10A2Uint, MTLPixelFormatInvalid, 8.0, 10.11, 1, 1, 4, MTLVertexFormatInvalid, kMVKFormatColorUInt32, MVK_FMT_COLOR_INTEGER_FEATS, MVK_FMT_BUFFER_FEATS ), // Vulkan packed is reversed
MVK_MAKE_FMT_STRUCT( VK_FORMAT_A2B10G10R10_SINT_PACK32, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 1, 1, 4, MTLVertexFormatInvalid, kMVKFormatColorInt32, MVK_FMT_NO_FEATS, MVK_FMT_NO_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R16_UNORM, MTLPixelFormatR16Unorm, MTLPixelFormatInvalid, 8.0, 10.11, 1, 1, 2, MTLVertexFormatUShort2Normalized, kMVKFormatColorFloat, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_VTX_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R16_SNORM, MTLPixelFormatR16Snorm, MTLPixelFormatInvalid, 8.0, 10.11, 1, 1, 2, MTLVertexFormatShort2Normalized, kMVKFormatColorFloat, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_VTX_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R16_USCALED, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 1, 1, 2, MTLVertexFormatInvalid, kMVKFormatColorFloat, MVK_FMT_NO_FEATS, MVK_FMT_NO_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R16_SSCALED, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 1, 1, 2, MTLVertexFormatInvalid, kMVKFormatColorFloat, MVK_FMT_NO_FEATS, MVK_FMT_NO_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R16_UINT, MTLPixelFormatR16Uint, MTLPixelFormatInvalid, 8.0, 10.11, 1, 1, 2, MTLVertexFormatUShort2, kMVKFormatColorUInt32, MVK_FMT_COLOR_INTEGER_FEATS, MVK_FMT_BUFFER_VTX_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R16_SINT, MTLPixelFormatR16Sint, MTLPixelFormatInvalid, 8.0, 10.11, 1, 1, 2, MTLVertexFormatShort2, kMVKFormatColorInt32, MVK_FMT_COLOR_INTEGER_FEATS, MVK_FMT_BUFFER_VTX_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R16_SFLOAT, MTLPixelFormatR16Float, MTLPixelFormatInvalid, 8.0, 10.11, 1, 1, 2, MTLVertexFormatHalf2, kMVKFormatColorFloat, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_VTX_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R16G16_UNORM, MTLPixelFormatRG16Unorm, MTLPixelFormatInvalid, 8.0, 10.11, 1, 1, 4, MTLVertexFormatUShort2Normalized, kMVKFormatColorFloat, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_VTX_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R16G16_SNORM, MTLPixelFormatRG16Snorm, MTLPixelFormatInvalid, 8.0, 10.11, 1, 1, 4, MTLVertexFormatShort2Normalized, kMVKFormatColorFloat, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_VTX_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R16G16_USCALED, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 1, 1, 4, MTLVertexFormatInvalid, kMVKFormatColorFloat, MVK_FMT_NO_FEATS, MVK_FMT_NO_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R16G16_SSCALED, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 1, 1, 4, MTLVertexFormatInvalid, kMVKFormatColorFloat, MVK_FMT_NO_FEATS, MVK_FMT_NO_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R16G16_UINT, MTLPixelFormatRG16Uint, MTLPixelFormatInvalid, 8.0, 10.11, 1, 1, 4, MTLVertexFormatUShort2, kMVKFormatColorUInt32, MVK_FMT_COLOR_INTEGER_FEATS, MVK_FMT_BUFFER_VTX_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R16G16_SINT, MTLPixelFormatRG16Sint, MTLPixelFormatInvalid, 8.0, 10.11, 1, 1, 4, MTLVertexFormatShort2, kMVKFormatColorInt32, MVK_FMT_COLOR_INTEGER_FEATS, MVK_FMT_BUFFER_VTX_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R16G16_SFLOAT, MTLPixelFormatRG16Float, MTLPixelFormatInvalid, 8.0, 10.11, 1, 1, 4, MTLVertexFormatHalf2, kMVKFormatColorFloat, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_VTX_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R16G16B16_UNORM, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 1, 1, 6, MTLVertexFormatUShort3Normalized, kMVKFormatColorFloat, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_VTX_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R16G16B16_SNORM, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 1, 1, 6, MTLVertexFormatShort3Normalized, kMVKFormatColorFloat, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_VTX_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R16G16B16_USCALED, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 1, 1, 6, MTLVertexFormatInvalid, kMVKFormatColorFloat, MVK_FMT_NO_FEATS, MVK_FMT_NO_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R16G16B16_SSCALED, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 1, 1, 6, MTLVertexFormatInvalid, kMVKFormatColorFloat, MVK_FMT_NO_FEATS, MVK_FMT_NO_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R16G16B16_UINT, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 1, 1, 6, MTLVertexFormatUShort3, kMVKFormatColorUInt32, MVK_FMT_COLOR_INTEGER_FEATS, MVK_FMT_BUFFER_VTX_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R16G16B16_SINT, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 1, 1, 6, MTLVertexFormatShort3, kMVKFormatColorInt32, MVK_FMT_COLOR_INTEGER_FEATS, MVK_FMT_BUFFER_VTX_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R16G16B16_SFLOAT, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 1, 1, 6, MTLVertexFormatHalf3, kMVKFormatColorFloat, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_VTX_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R16G16B16A16_UNORM, MTLPixelFormatRGBA16Unorm, MTLPixelFormatInvalid, 8.0, 10.11, 1, 1, 8, MTLVertexFormatUShort4Normalized, kMVKFormatColorFloat, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_VTX_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R16G16B16A16_SNORM, MTLPixelFormatRGBA16Snorm, MTLPixelFormatInvalid, 8.0, 10.11, 1, 1, 8, MTLVertexFormatShort4Normalized, kMVKFormatColorFloat, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_VTX_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R16G16B16A16_USCALED, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 1, 1, 8, MTLVertexFormatInvalid, kMVKFormatColorFloat, MVK_FMT_NO_FEATS, MVK_FMT_NO_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R16G16B16A16_SSCALED, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 1, 1, 8, MTLVertexFormatInvalid, kMVKFormatColorFloat, MVK_FMT_NO_FEATS, MVK_FMT_NO_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R16G16B16A16_UINT, MTLPixelFormatRGBA16Uint, MTLPixelFormatInvalid, 8.0, 10.11, 1, 1, 8, MTLVertexFormatUShort4, kMVKFormatColorUInt32, MVK_FMT_COLOR_INTEGER_FEATS, MVK_FMT_BUFFER_VTX_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R16G16B16A16_SINT, MTLPixelFormatRGBA16Sint, MTLPixelFormatInvalid, 8.0, 10.11, 1, 1, 8, MTLVertexFormatShort4, kMVKFormatColorInt32, MVK_FMT_COLOR_INTEGER_FEATS, MVK_FMT_BUFFER_VTX_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R16G16B16A16_SFLOAT, MTLPixelFormatRGBA16Float, MTLPixelFormatInvalid, 8.0, 10.11, 1, 1, 8, MTLVertexFormatHalf4, kMVKFormatColorFloat, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_VTX_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R32_UINT, MTLPixelFormatR32Uint, MTLPixelFormatInvalid, 8.0, 10.11, 1, 1, 4, MTLVertexFormatUInt, kMVKFormatColorUInt32, MVK_FMT_COLOR_INTEGER_FEATS, MVK_FMT_BUFFER_VTX_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R32_SINT, MTLPixelFormatR32Sint, MTLPixelFormatInvalid, 8.0, 10.11, 1, 1, 4, MTLVertexFormatInt, kMVKFormatColorInt32, MVK_FMT_COLOR_INTEGER_FEATS, MVK_FMT_BUFFER_VTX_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R32_SFLOAT, MTLPixelFormatR32Float, MTLPixelFormatInvalid, 8.0, 10.11, 1, 1, 4, MTLVertexFormatFloat, kMVKFormatColorFloat, MVK_FMT_COLOR_FLOAT32_FEATS, MVK_FMT_BUFFER_VTX_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R32G32_UINT, MTLPixelFormatRG32Uint, MTLPixelFormatInvalid, 8.0, 10.11, 1, 1, 8, MTLVertexFormatUInt2, kMVKFormatColorUInt32, MVK_FMT_COLOR_INTEGER_FEATS, MVK_FMT_BUFFER_VTX_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R32G32_SINT, MTLPixelFormatRG32Sint, MTLPixelFormatInvalid, 8.0, 10.11, 1, 1, 8, MTLVertexFormatInt2, kMVKFormatColorInt32, MVK_FMT_COLOR_INTEGER_FEATS, MVK_FMT_BUFFER_VTX_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R32G32_SFLOAT, MTLPixelFormatRG32Float, MTLPixelFormatInvalid, 8.0, 10.11, 1, 1, 8, MTLVertexFormatFloat2, kMVKFormatColorFloat, MVK_FMT_COLOR_FLOAT32_FEATS, MVK_FMT_BUFFER_VTX_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R32G32B32_UINT, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 1, 1, 12, MTLVertexFormatUInt3, kMVKFormatColorUInt32, MVK_FMT_COLOR_INTEGER_FEATS, MVK_FMT_BUFFER_VTX_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R32G32B32_SINT, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 1, 1, 12, MTLVertexFormatInt3, kMVKFormatColorInt32, MVK_FMT_COLOR_INTEGER_FEATS, MVK_FMT_BUFFER_VTX_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R32G32B32_SFLOAT, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 1, 1, 12, MTLVertexFormatFloat3, kMVKFormatColorFloat, MVK_FMT_COLOR_FLOAT32_FEATS, MVK_FMT_BUFFER_VTX_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R32G32B32A32_UINT, MTLPixelFormatRGBA32Uint, MTLPixelFormatInvalid, 8.0, 10.11, 1, 1, 16, MTLVertexFormatUInt4, kMVKFormatColorUInt32, MVK_FMT_COLOR_INTEGER_FEATS, MVK_FMT_BUFFER_VTX_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R32G32B32A32_SINT, MTLPixelFormatRGBA32Sint, MTLPixelFormatInvalid, 8.0, 10.11, 1, 1, 16, MTLVertexFormatInt4, kMVKFormatColorInt32, MVK_FMT_COLOR_INTEGER_FEATS, MVK_FMT_BUFFER_VTX_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R32G32B32A32_SFLOAT, MTLPixelFormatRGBA32Float, MTLPixelFormatInvalid, 8.0, 10.11, 1, 1, 16, MTLVertexFormatFloat4, kMVKFormatColorFloat, MVK_FMT_COLOR_FLOAT32_FEATS, MVK_FMT_BUFFER_VTX_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R64_UINT, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 1, 1, 8, MTLVertexFormatInvalid, kMVKFormatColorFloat, MVK_FMT_NO_FEATS, MVK_FMT_NO_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R64_SINT, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 1, 1, 8, MTLVertexFormatInvalid, kMVKFormatColorFloat, MVK_FMT_NO_FEATS, MVK_FMT_NO_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R64_SFLOAT, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 1, 1, 8, MTLVertexFormatInvalid, kMVKFormatColorFloat, MVK_FMT_NO_FEATS, MVK_FMT_NO_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R64G64_UINT, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 1, 1, 16, MTLVertexFormatInvalid, kMVKFormatColorFloat, MVK_FMT_NO_FEATS, MVK_FMT_NO_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R64G64_SINT, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 1, 1, 16, MTLVertexFormatInvalid, kMVKFormatColorFloat, MVK_FMT_NO_FEATS, MVK_FMT_NO_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R64G64_SFLOAT, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 1, 1, 16, MTLVertexFormatInvalid, kMVKFormatColorFloat, MVK_FMT_NO_FEATS, MVK_FMT_NO_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R64G64B64_UINT, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 1, 1, 24, MTLVertexFormatInvalid, kMVKFormatColorFloat, MVK_FMT_NO_FEATS, MVK_FMT_NO_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R64G64B64_SINT, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 1, 1, 24, MTLVertexFormatInvalid, kMVKFormatColorFloat, MVK_FMT_NO_FEATS, MVK_FMT_NO_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R64G64B64_SFLOAT, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 1, 1, 24, MTLVertexFormatInvalid, kMVKFormatColorFloat, MVK_FMT_NO_FEATS, MVK_FMT_NO_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R64G64B64A64_UINT, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 1, 1, 32, MTLVertexFormatInvalid, kMVKFormatColorFloat, MVK_FMT_NO_FEATS, MVK_FMT_NO_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R64G64B64A64_SINT, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 1, 1, 32, MTLVertexFormatInvalid, kMVKFormatColorFloat, MVK_FMT_NO_FEATS, MVK_FMT_NO_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_R64G64B64A64_SFLOAT, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 1, 1, 32, MTLVertexFormatInvalid, kMVKFormatColorFloat, MVK_FMT_NO_FEATS, MVK_FMT_NO_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_B10G11R11_UFLOAT_PACK32, MTLPixelFormatRG11B10Float, MTLPixelFormatInvalid, 8.0, 10.11, 1, 1, 4, MTLVertexFormatInvalid, kMVKFormatColorFloat, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_FEATS ), // Vulkan packed is reversed
MVK_MAKE_FMT_STRUCT( VK_FORMAT_E5B9G9R9_UFLOAT_PACK32, MTLPixelFormatRGB9E5Float, MTLPixelFormatInvalid, 8.0, 10.11, 1, 1, 4, MTLVertexFormatInvalid, kMVKFormatColorFloat, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_FEATS ), // Vulkan packed is reversed
MVK_MAKE_FMT_STRUCT( VK_FORMAT_D32_SFLOAT, MTLPixelFormatDepth32Float, MTLPixelFormatInvalid, 8.0, 10.11, 1, 1, 4, MTLVertexFormatInvalid, kMVKFormatDepthStencil, MVK_FMT_DEPTH_FEATS, MVK_FMT_BUFFER_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_D32_SFLOAT_S8_UINT, MTLPixelFormatDepth32Float_Stencil8, MTLPixelFormatInvalid, 9.0, 10.11, 1, 1, 5, MTLVertexFormatInvalid, kMVKFormatDepthStencil, MVK_FMT_DEPTH_FEATS, MVK_FMT_BUFFER_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_S8_UINT, MTLPixelFormatStencil8, MTLPixelFormatInvalid, 8.0, 10.11, 1, 1, 1, MTLVertexFormatInvalid, kMVKFormatDepthStencil, MVK_FMT_STENCIL_FEATS, MVK_FMT_BUFFER_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_D16_UNORM, MTLPixelFormatDepth16Unorm, MTLPixelFormatDepth32Float, kMTLFmtNA, 10.12, 1, 1, 2, MTLVertexFormatInvalid, kMVKFormatDepthStencil, MVK_FMT_DEPTH_FEATS, MVK_FMT_BUFFER_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_D16_UNORM_S8_UINT, MTLPixelFormatInvalid, MTLPixelFormatDepth16Unorm_Stencil8, kMTLFmtNA, kMTLFmtNA, 1, 1, 3, MTLVertexFormatInvalid, kMVKFormatDepthStencil, MVK_FMT_DEPTH_FEATS, MVK_FMT_BUFFER_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_D24_UNORM_S8_UINT, MTLPixelFormatDepth24Unorm_Stencil8, MTLPixelFormatDepth32Float_Stencil8, kMTLFmtNA, 10.11, 1, 1, 4, MTLVertexFormatInvalid, kMVKFormatDepthStencil, MVK_FMT_DEPTH_FEATS, MVK_FMT_BUFFER_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_X8_D24_UNORM_PACK32, MTLPixelFormatInvalid, MTLPixelFormatDepth24Unorm_Stencil8, kMTLFmtNA, kMTLFmtNA, 1, 1, 4, MTLVertexFormatInvalid, kMVKFormatDepthStencil, MVK_FMT_DEPTH_FEATS, MVK_FMT_BUFFER_FEATS ), // Vulkan packed is reversed
MVK_MAKE_FMT_STRUCT( VK_FORMAT_BC1_RGB_UNORM_BLOCK, MTLPixelFormatBC1_RGBA, MTLPixelFormatInvalid, kMTLFmtNA, 10.11, 4, 4, 8, MTLVertexFormatInvalid, kMVKFormatNone, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_BC1_RGB_SRGB_BLOCK, MTLPixelFormatBC1_RGBA_sRGB, MTLPixelFormatInvalid, kMTLFmtNA, 10.11, 4, 4, 8, MTLVertexFormatInvalid, kMVKFormatNone, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_BC1_RGBA_UNORM_BLOCK, MTLPixelFormatBC1_RGBA, MTLPixelFormatInvalid, kMTLFmtNA, 10.11, 4, 4, 8, MTLVertexFormatInvalid, kMVKFormatNone, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_BC1_RGBA_SRGB_BLOCK, MTLPixelFormatBC1_RGBA_sRGB, MTLPixelFormatInvalid, kMTLFmtNA, 10.11, 4, 4, 8, MTLVertexFormatInvalid, kMVKFormatNone, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_BC2_UNORM_BLOCK, MTLPixelFormatBC2_RGBA, MTLPixelFormatInvalid, kMTLFmtNA, 10.11, 4, 4, 16, MTLVertexFormatInvalid, kMVKFormatNone, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_BC2_SRGB_BLOCK, MTLPixelFormatBC2_RGBA_sRGB, MTLPixelFormatInvalid, kMTLFmtNA, 10.11, 4, 4, 16, MTLVertexFormatInvalid, kMVKFormatNone, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_BC3_UNORM_BLOCK, MTLPixelFormatBC3_RGBA, MTLPixelFormatInvalid, kMTLFmtNA, 10.11, 4, 4, 16, MTLVertexFormatInvalid, kMVKFormatNone, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_BC3_SRGB_BLOCK, MTLPixelFormatBC3_RGBA_sRGB, MTLPixelFormatInvalid, kMTLFmtNA, 10.11, 4, 4, 16, MTLVertexFormatInvalid, kMVKFormatNone, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_BC4_UNORM_BLOCK, MTLPixelFormatBC4_RUnorm, MTLPixelFormatInvalid, kMTLFmtNA, 10.11, 4, 4, 8, MTLVertexFormatInvalid, kMVKFormatNone, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_BC4_SNORM_BLOCK, MTLPixelFormatBC4_RSnorm, MTLPixelFormatInvalid, kMTLFmtNA, 10.11, 4, 4, 8, MTLVertexFormatInvalid, kMVKFormatNone, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_BC5_UNORM_BLOCK, MTLPixelFormatBC5_RGUnorm, MTLPixelFormatInvalid, kMTLFmtNA, 10.11, 4, 4, 16, MTLVertexFormatInvalid, kMVKFormatNone, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_BC5_SNORM_BLOCK, MTLPixelFormatBC5_RGSnorm, MTLPixelFormatInvalid, kMTLFmtNA, 10.11, 4, 4, 16, MTLVertexFormatInvalid, kMVKFormatNone, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_BC6H_UFLOAT_BLOCK, MTLPixelFormatBC6H_RGBUfloat, MTLPixelFormatInvalid, kMTLFmtNA, 10.11, 4, 4, 16, MTLVertexFormatInvalid, kMVKFormatNone, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_BC6H_SFLOAT_BLOCK, MTLPixelFormatBC6H_RGBFloat, MTLPixelFormatInvalid, kMTLFmtNA, 10.11, 4, 4, 16, MTLVertexFormatInvalid, kMVKFormatNone, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_BC7_UNORM_BLOCK, MTLPixelFormatBC7_RGBAUnorm, MTLPixelFormatInvalid, kMTLFmtNA, 10.11, 4, 4, 16, MTLVertexFormatInvalid, kMVKFormatNone, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_BC7_SRGB_BLOCK, MTLPixelFormatBC7_RGBAUnorm_sRGB, MTLPixelFormatInvalid, kMTLFmtNA, 10.11, 4, 4, 16, MTLVertexFormatInvalid, kMVKFormatNone, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_ETC2_R8G8B8_UNORM_BLOCK, MTLPixelFormatETC2_RGB8, MTLPixelFormatInvalid, 8.0, kMTLFmtNA, 4, 4, 8, MTLVertexFormatInvalid, kMVKFormatNone, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_ETC2_R8G8B8_SRGB_BLOCK, MTLPixelFormatETC2_RGB8_sRGB, MTLPixelFormatInvalid, 8.0, kMTLFmtNA, 4, 4, 8, MTLVertexFormatInvalid, kMVKFormatNone, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_ETC2_R8G8B8A1_UNORM_BLOCK, MTLPixelFormatETC2_RGB8A1, MTLPixelFormatInvalid, 8.0, kMTLFmtNA, 4, 4, 8, MTLVertexFormatInvalid, kMVKFormatNone, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_ETC2_R8G8B8A1_SRGB_BLOCK, MTLPixelFormatETC2_RGB8A1_sRGB, MTLPixelFormatInvalid, 8.0, kMTLFmtNA, 4, 4, 8, MTLVertexFormatInvalid, kMVKFormatNone, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_ETC2_R8G8B8A8_UNORM_BLOCK, MTLPixelFormatEAC_RGBA8, MTLPixelFormatInvalid, 8.0, kMTLFmtNA, 4, 4, 16, MTLVertexFormatInvalid, kMVKFormatNone, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_ETC2_R8G8B8A8_SRGB_BLOCK, MTLPixelFormatEAC_RGBA8_sRGB, MTLPixelFormatInvalid, 8.0, kMTLFmtNA, 4, 4, 16, MTLVertexFormatInvalid, kMVKFormatNone, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_EAC_R11_UNORM_BLOCK, MTLPixelFormatEAC_R11Unorm, MTLPixelFormatInvalid, 8.0, kMTLFmtNA, 4, 4, 8, MTLVertexFormatInvalid, kMVKFormatNone, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_EAC_R11_SNORM_BLOCK, MTLPixelFormatEAC_R11Snorm, MTLPixelFormatInvalid, 8.0, kMTLFmtNA, 4, 4, 8, MTLVertexFormatInvalid, kMVKFormatNone, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_EAC_R11G11_UNORM_BLOCK, MTLPixelFormatEAC_RG11Unorm, MTLPixelFormatInvalid, 8.0, kMTLFmtNA, 4, 4, 16, MTLVertexFormatInvalid, kMVKFormatNone, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_EAC_R11G11_SNORM_BLOCK, MTLPixelFormatEAC_RG11Snorm, MTLPixelFormatInvalid, 8.0, kMTLFmtNA, 4, 4, 16, MTLVertexFormatInvalid, kMVKFormatNone, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_ASTC_4x4_UNORM_BLOCK, MTLPixelFormatASTC_4x4_LDR, MTLPixelFormatInvalid, 8.0, kMTLFmtNA, 4, 4, 16, MTLVertexFormatInvalid, kMVKFormatNone, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_ASTC_4x4_SRGB_BLOCK, MTLPixelFormatASTC_4x4_sRGB, MTLPixelFormatInvalid, 8.0, kMTLFmtNA, 4, 4, 16, MTLVertexFormatInvalid, kMVKFormatNone, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_ASTC_5x4_UNORM_BLOCK, MTLPixelFormatASTC_5x4_LDR, MTLPixelFormatInvalid, 8.0, kMTLFmtNA, 5, 4, 16, MTLVertexFormatInvalid, kMVKFormatNone, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_ASTC_5x4_SRGB_BLOCK, MTLPixelFormatASTC_5x4_sRGB, MTLPixelFormatInvalid, 8.0, kMTLFmtNA, 5, 4, 16, MTLVertexFormatInvalid, kMVKFormatNone, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_ASTC_5x5_UNORM_BLOCK, MTLPixelFormatASTC_5x5_LDR, MTLPixelFormatInvalid, 8.0, kMTLFmtNA, 5, 5, 16, MTLVertexFormatInvalid, kMVKFormatNone, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_ASTC_5x5_SRGB_BLOCK, MTLPixelFormatASTC_5x5_sRGB, MTLPixelFormatInvalid, 8.0, kMTLFmtNA, 5, 5, 16, MTLVertexFormatInvalid, kMVKFormatNone, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_ASTC_6x5_UNORM_BLOCK, MTLPixelFormatASTC_6x5_LDR, MTLPixelFormatInvalid, 8.0, kMTLFmtNA, 6, 5, 16, MTLVertexFormatInvalid, kMVKFormatNone, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_ASTC_6x5_SRGB_BLOCK, MTLPixelFormatASTC_6x5_sRGB, MTLPixelFormatInvalid, 8.0, kMTLFmtNA, 6, 5, 16, MTLVertexFormatInvalid, kMVKFormatNone, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_ASTC_6x6_UNORM_BLOCK, MTLPixelFormatASTC_6x6_LDR, MTLPixelFormatInvalid, 8.0, kMTLFmtNA, 6, 6, 16, MTLVertexFormatInvalid, kMVKFormatNone, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_ASTC_6x6_SRGB_BLOCK, MTLPixelFormatASTC_6x6_sRGB, MTLPixelFormatInvalid, 8.0, kMTLFmtNA, 6, 6, 16, MTLVertexFormatInvalid, kMVKFormatNone, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_ASTC_8x5_UNORM_BLOCK, MTLPixelFormatASTC_8x5_LDR, MTLPixelFormatInvalid, 8.0, kMTLFmtNA, 8, 5, 16, MTLVertexFormatInvalid, kMVKFormatNone, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_ASTC_8x5_SRGB_BLOCK, MTLPixelFormatASTC_8x5_sRGB, MTLPixelFormatInvalid, 8.0, kMTLFmtNA, 8, 5, 16, MTLVertexFormatInvalid, kMVKFormatNone, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_ASTC_8x6_UNORM_BLOCK, MTLPixelFormatASTC_8x6_LDR, MTLPixelFormatInvalid, 8.0, kMTLFmtNA, 8, 6, 16, MTLVertexFormatInvalid, kMVKFormatNone, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_ASTC_8x6_SRGB_BLOCK, MTLPixelFormatASTC_8x6_sRGB, MTLPixelFormatInvalid, 8.0, kMTLFmtNA, 8, 6, 16, MTLVertexFormatInvalid, kMVKFormatNone, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_ASTC_8x8_UNORM_BLOCK, MTLPixelFormatASTC_8x8_LDR, MTLPixelFormatInvalid, 8.0, kMTLFmtNA, 8, 8, 16, MTLVertexFormatInvalid, kMVKFormatNone, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_ASTC_8x8_SRGB_BLOCK, MTLPixelFormatASTC_8x8_sRGB, MTLPixelFormatInvalid, 8.0, kMTLFmtNA, 8, 8, 16, MTLVertexFormatInvalid, kMVKFormatNone, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_ASTC_10x5_UNORM_BLOCK, MTLPixelFormatASTC_10x5_LDR, MTLPixelFormatInvalid, 8.0, kMTLFmtNA, 10, 5, 16, MTLVertexFormatInvalid, kMVKFormatNone, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_ASTC_10x5_SRGB_BLOCK, MTLPixelFormatASTC_10x5_sRGB, MTLPixelFormatInvalid, 8.0, kMTLFmtNA, 10, 5, 16, MTLVertexFormatInvalid, kMVKFormatNone, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_ASTC_10x6_UNORM_BLOCK, MTLPixelFormatASTC_10x6_LDR, MTLPixelFormatInvalid, 8.0, kMTLFmtNA, 10, 6, 16, MTLVertexFormatInvalid, kMVKFormatNone, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_ASTC_10x6_SRGB_BLOCK, MTLPixelFormatASTC_10x6_sRGB, MTLPixelFormatInvalid, 8.0, kMTLFmtNA, 10, 6, 16, MTLVertexFormatInvalid, kMVKFormatNone, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_ASTC_10x8_UNORM_BLOCK, MTLPixelFormatASTC_10x8_LDR, MTLPixelFormatInvalid, 8.0, kMTLFmtNA, 10, 8, 16, MTLVertexFormatInvalid, kMVKFormatNone, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_ASTC_10x8_SRGB_BLOCK, MTLPixelFormatASTC_10x8_sRGB, MTLPixelFormatInvalid, 8.0, kMTLFmtNA, 10, 8, 16, MTLVertexFormatInvalid, kMVKFormatNone, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_ASTC_10x10_UNORM_BLOCK, MTLPixelFormatASTC_10x10_LDR, MTLPixelFormatInvalid, 8.0, kMTLFmtNA, 10, 10, 16, MTLVertexFormatInvalid, kMVKFormatNone, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_ASTC_10x10_SRGB_BLOCK, MTLPixelFormatASTC_10x10_sRGB, MTLPixelFormatInvalid, 8.0, kMTLFmtNA, 10, 10, 16, MTLVertexFormatInvalid, kMVKFormatNone, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_ASTC_12x10_UNORM_BLOCK, MTLPixelFormatASTC_12x10_LDR, MTLPixelFormatInvalid, 8.0, kMTLFmtNA, 12, 10, 16, MTLVertexFormatInvalid, kMVKFormatNone, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_ASTC_12x10_SRGB_BLOCK, MTLPixelFormatASTC_12x10_sRGB, MTLPixelFormatInvalid, 8.0, kMTLFmtNA, 12, 10, 16, MTLVertexFormatInvalid, kMVKFormatNone, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_ASTC_12x12_UNORM_BLOCK, MTLPixelFormatASTC_12x12_LDR, MTLPixelFormatInvalid, 8.0, kMTLFmtNA, 12, 12, 16, MTLVertexFormatInvalid, kMVKFormatNone, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_ASTC_12x12_SRGB_BLOCK, MTLPixelFormatASTC_12x12_sRGB, MTLPixelFormatInvalid, 8.0, kMTLFmtNA, 12, 12, 16, MTLVertexFormatInvalid, kMVKFormatNone, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_FEATS ),
// Extension VK_IMG_format_pvrtc
MVK_MAKE_FMT_STRUCT( VK_FORMAT_PVRTC1_2BPP_UNORM_BLOCK_IMG, MTLPixelFormatPVRTC_RGBA_2BPP, MTLPixelFormatInvalid, 8.0, kMTLFmtNA, 8, 4, 8, MTLVertexFormatInvalid, kMVKFormatColorFloat, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_PVRTC1_4BPP_UNORM_BLOCK_IMG, MTLPixelFormatPVRTC_RGBA_4BPP, MTLPixelFormatInvalid, 8.0, kMTLFmtNA, 8, 4, 8, MTLVertexFormatInvalid, kMVKFormatColorFloat, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_PVRTC2_2BPP_UNORM_BLOCK_IMG, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 4, 4, 8, MTLVertexFormatInvalid, kMVKFormatColorFloat, MVK_FMT_NO_FEATS, MVK_FMT_NO_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_PVRTC2_4BPP_UNORM_BLOCK_IMG, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 4, 4, 8, MTLVertexFormatInvalid, kMVKFormatColorFloat, MVK_FMT_NO_FEATS, MVK_FMT_NO_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_PVRTC1_2BPP_SRGB_BLOCK_IMG, MTLPixelFormatPVRTC_RGBA_2BPP_sRGB, MTLPixelFormatInvalid, 8.0, kMTLFmtNA, 8, 4, 8, MTLVertexFormatInvalid, kMVKFormatColorFloat, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_PVRTC1_4BPP_SRGB_BLOCK_IMG, MTLPixelFormatPVRTC_RGBA_4BPP_sRGB, MTLPixelFormatInvalid, 8.0, kMTLFmtNA, 8, 4, 8, MTLVertexFormatInvalid, kMVKFormatColorFloat, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_PVRTC2_2BPP_SRGB_BLOCK_IMG, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 4, 4, 8, MTLVertexFormatInvalid, kMVKFormatColorFloat, MVK_FMT_NO_FEATS, MVK_FMT_NO_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_PVRTC2_4BPP_SRGB_BLOCK_IMG, MTLPixelFormatInvalid, MTLPixelFormatInvalid, kMTLFmtNA, kMTLFmtNA, 4, 4, 8, MTLVertexFormatInvalid, kMVKFormatColorFloat, MVK_FMT_NO_FEATS, MVK_FMT_NO_FEATS ),
// Future extension VK_KHX_color_conversion and Vulkan 1.1.
MVK_MAKE_FMT_STRUCT( VK_FORMAT_UNDEFINED, MTLPixelFormatGBGR422, MTLPixelFormatInvalid, 8.0, 10.11, 2, 1, 4, MTLVertexFormatInvalid, kMVKFormatColorFloat, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_FEATS ),
MVK_MAKE_FMT_STRUCT( VK_FORMAT_UNDEFINED, MTLPixelFormatBGRG422, MTLPixelFormatInvalid, 8.0, 10.11, 2, 1, 4, MTLVertexFormatInvalid, kMVKFormatColorFloat, MVK_FMT_COLOR_FEATS, MVK_FMT_BUFFER_FEATS ),
};
static const uint32_t _vkFormatCoreCount = VK_FORMAT_ASTC_12x12_SRGB_BLOCK + 1;
static const uint32_t _mtlFormatCount = MTLPixelFormatX32_Stencil8 + 2; // The actual last enum value is not available on iOS
// Map for mapping large VkFormat values to an index.
typedef unordered_map<uint32_t, uint32_t> MVKFormatIndexByVkFormatMap;
// Vulkan core formats have small values and are mapped by simple lookup array.
// Vulkan extension formats have larger values and are mapped by a map.
// MVKFormatIndexByVkFormatMap held as global pointer to allow it to be populated during global init functions.
static uint16_t _fmtDescIndicesByVkFormatsCore[_vkFormatCoreCount];
static MVKFormatIndexByVkFormatMap* _pFmtDescIndicesByVkFormatsExt;
// Metal formats have small values and are mapped by simple lookup array.
static uint16_t _fmtDescIndicesByMTLPixelFormats[_mtlFormatCount];
/**
* Populates the lookup maps that map Vulkan and Metal pixel formats to one-another.
*
* Because both Metal and core Vulkan format value are enumerations that start at zero and are
* more or less consecutively enumerated, we can use a simple lookup array in each direction
* to map the value in one architecture (as an array index) to the corresponding value in the
* other architecture. Values that exist in one API but not the other are given a default value.
*
* Vulkan extension formats have very large values, and are tracked in a separate map.
*/
static void MVKInitFormatMaps() {
// Set all VkFormats and MTLPixelFormats to undefined/invalid
memset(_fmtDescIndicesByVkFormatsCore, 0, sizeof(_fmtDescIndicesByVkFormatsCore));
memset(_fmtDescIndicesByMTLPixelFormats, 0, sizeof(_fmtDescIndicesByMTLPixelFormats));
_pFmtDescIndicesByVkFormatsExt = new MVKFormatIndexByVkFormatMap();
// Iterate through the format descriptions and populate the lookup maps.
uint32_t fmtCnt = sizeof(_formatDescriptions) / sizeof(MVKFormatDesc);
for (uint32_t fmtIdx = 0; fmtIdx < fmtCnt; fmtIdx++) {
// Access the mapping
const MVKFormatDesc& tfm = _formatDescriptions[fmtIdx];
// If the Vulkan format is defined, create a lookup between the Vulkan format
// and an index to the format info. For core Vulkan formats, which are small
// and consecutive, use a simple lookup array. For extension formats, use a map.
if (tfm.vk != VK_FORMAT_UNDEFINED) {
if (tfm.vk < _vkFormatCoreCount) {
_fmtDescIndicesByVkFormatsCore[tfm.vk] = fmtIdx;
} else {
(*_pFmtDescIndicesByVkFormatsExt)[tfm.vk] = fmtIdx;
}
}
// If the Metal format is defined, create a lookup between the Metal format and an
// index to the format info. Metal formats are small, so use a simple lookup array.
if (tfm.mtl != MTLPixelFormatInvalid) { _fmtDescIndicesByMTLPixelFormats[tfm.mtl] = fmtIdx; }
}
}
// Return a reference to the format description corresponding to the VkFormat.
inline const MVKFormatDesc& formatDescForVkFormat(VkFormat vkFormat) {
uint16_t fmtIdx = (vkFormat < _vkFormatCoreCount) ? _fmtDescIndicesByVkFormatsCore[vkFormat] : (*_pFmtDescIndicesByVkFormatsExt)[vkFormat];
return _formatDescriptions[fmtIdx];
}
// Return a reference to the format description corresponding to the MTLPixelFormat.
inline const MVKFormatDesc& formatDescForMTLPixelFormat(MTLPixelFormat mtlFormat) {
uint16_t fmtIdx = (mtlFormat < _mtlFormatCount) ? _fmtDescIndicesByMTLPixelFormats[mtlFormat] : 0;
return _formatDescriptions[fmtIdx];
}
MVK_PUBLIC_SYMBOL bool mvkVkFormatIsSupported(VkFormat vkFormat) {
return formatDescForVkFormat(vkFormat).isSupported();
}
MVK_PUBLIC_SYMBOL bool mvkMTLPixelFormatIsSupported(MTLPixelFormat mtlFormat) {
return formatDescForMTLPixelFormat(mtlFormat).isSupported();
}
MVK_PUBLIC_SYMBOL MVKFormatType mvkFormatTypeFromVkFormat(VkFormat vkFormat) {
return formatDescForVkFormat(vkFormat).formatType;
}
MVK_PUBLIC_SYMBOL MVKFormatType mvkFormatTypeFromMTLPixelFormat(MTLPixelFormat mtlFormat) {
return formatDescForMTLPixelFormat(mtlFormat).formatType;
}
MVK_PUBLIC_SYMBOL MTLPixelFormat mvkMTLPixelFormatFromVkFormat(VkFormat vkFormat) {
MTLPixelFormat mtlPixFmt = MTLPixelFormatInvalid;
const MVKFormatDesc& fmtDesc = formatDescForVkFormat(vkFormat);
if (fmtDesc.isSupported()) {
mtlPixFmt = fmtDesc.mtl;
} else if (vkFormat != VK_FORMAT_UNDEFINED) {
// If the MTLPixelFormat is not supported but VkFormat is valid,
// report an error, and possibly substitute a different MTLPixelFormat.
string errMsg;
errMsg += "VkFormat ";
errMsg += (fmtDesc.vkName) ? fmtDesc.vkName : to_string(fmtDesc.vk);
errMsg += " is not supported on this platform.";
if (fmtDesc.isSupportedOrSubstitutable()) {
mtlPixFmt = fmtDesc.mtlSubstitute;
const MVKFormatDesc& fmtDescSubs = formatDescForMTLPixelFormat(mtlPixFmt);
errMsg += " Using VkFormat ";
errMsg += (fmtDescSubs.vkName) ? fmtDescSubs.vkName : to_string(fmtDescSubs.vk);
errMsg += " instead.";
}
mvkNotifyErrorWithText(VK_ERROR_FORMAT_NOT_SUPPORTED, "%s", errMsg.c_str());
}
return mtlPixFmt;
}
MVK_PUBLIC_SYMBOL VkFormat mvkVkFormatFromMTLPixelFormat(MTLPixelFormat mtlFormat) {
return formatDescForMTLPixelFormat(mtlFormat).vk;
}
MVK_PUBLIC_SYMBOL uint32_t mvkVkFormatBytesPerBlock(VkFormat vkFormat) {
return formatDescForVkFormat(vkFormat).bytesPerBlock;
}
MVK_PUBLIC_SYMBOL uint32_t mvkMTLPixelFormatBytesPerBlock(MTLPixelFormat mtlFormat) {
return formatDescForMTLPixelFormat(mtlFormat).bytesPerBlock;
}
MVK_PUBLIC_SYMBOL VkExtent2D mvkVkFormatBlockTexelSize(VkFormat vkFormat) {
return formatDescForVkFormat(vkFormat).blockTexelSize;
}
MVK_PUBLIC_SYMBOL VkExtent2D mvkMTLPixelFormatBlockTexelSize(MTLPixelFormat mtlFormat) {
return formatDescForMTLPixelFormat(mtlFormat).blockTexelSize;
}
MVK_PUBLIC_SYMBOL float mvkVkFormatBytesPerTexel(VkFormat vkFormat) {
return formatDescForVkFormat(vkFormat).bytesPerTexel();
}
MVK_PUBLIC_SYMBOL float mvkMTLPixelFormatBytesPerTexel(MTLPixelFormat mtlFormat) {
return formatDescForMTLPixelFormat(mtlFormat).bytesPerTexel();
}
MVK_PUBLIC_SYMBOL size_t mvkVkFormatBytesPerRow(VkFormat vkFormat, uint32_t texelsPerRow) {
const MVKFormatDesc& fmtDesc = formatDescForVkFormat(vkFormat);
return mvkCeilingDivide(texelsPerRow, fmtDesc.blockTexelSize.width) * fmtDesc.bytesPerBlock;
}
MVK_PUBLIC_SYMBOL size_t mvkMTLPixelFormatBytesPerRow(MTLPixelFormat mtlFormat, uint32_t texelsPerRow) {
const MVKFormatDesc& fmtDesc = formatDescForMTLPixelFormat(mtlFormat);
return mvkCeilingDivide(texelsPerRow, fmtDesc.blockTexelSize.width) * fmtDesc.bytesPerBlock;
}
MVK_PUBLIC_SYMBOL size_t mvkVkFormatBytesPerLayer(VkFormat vkFormat, size_t bytesPerRow, uint32_t texelRowsPerLayer) {
return mvkCeilingDivide(texelRowsPerLayer, formatDescForVkFormat(vkFormat).blockTexelSize.height) * bytesPerRow;
}
MVK_PUBLIC_SYMBOL size_t mvkMTLPixelFormatBytesPerLayer(MTLPixelFormat mtlFormat, size_t bytesPerRow, uint32_t texelRowsPerLayer) {
return mvkCeilingDivide(texelRowsPerLayer, formatDescForMTLPixelFormat(mtlFormat).blockTexelSize.height) * bytesPerRow;
}
MVK_PUBLIC_SYMBOL VkFormatProperties mvkVkFormatProperties(VkFormat vkFormat, bool assumeGPUSupportsDefault) {
const MVKFormatDesc& fmtDesc = formatDescForVkFormat(vkFormat);
if (assumeGPUSupportsDefault && fmtDesc.isSupported()) {
return fmtDesc.properties;
} else {
// If texture format is unsupported, vertex buffer format may still be.
VkFormatProperties fmtProps = {MVK_FMT_NO_FEATS, MVK_FMT_NO_FEATS, MVK_FMT_NO_FEATS};
fmtProps.bufferFeatures |= fmtDesc.properties.bufferFeatures & VK_FORMAT_FEATURE_VERTEX_BUFFER_BIT;
return fmtProps;
}
}
MVK_PUBLIC_SYMBOL const char* mvkVkFormatName(VkFormat vkFormat) {
return formatDescForVkFormat(vkFormat).vkName;
}
MVK_PUBLIC_SYMBOL const char* mvkMTLPixelFormatName(MTLPixelFormat mtlFormat) {
return formatDescForMTLPixelFormat(mtlFormat).mtlName;
}
MVK_PUBLIC_SYMBOL MTLVertexFormat mvkMTLVertexFormatFromVkFormat(VkFormat vkFormat) {
return formatDescForVkFormat(vkFormat).mtlVertexFormat;
}
MVK_PUBLIC_SYMBOL MTLClearColor mvkMTLClearColorFromVkClearValue(VkClearValue vkClearValue,
VkFormat vkFormat) {
MTLClearColor mtlClr;
switch (mvkFormatTypeFromVkFormat(vkFormat)) {
case kMVKFormatColorHalf:
case kMVKFormatColorFloat:
mtlClr.red = vkClearValue.color.float32[0];
mtlClr.green = vkClearValue.color.float32[1];
mtlClr.blue = vkClearValue.color.float32[2];
mtlClr.alpha = vkClearValue.color.float32[3];
break;
case kMVKFormatColorUInt8:
case kMVKFormatColorUInt16:
case kMVKFormatColorUInt32:
mtlClr.red = vkClearValue.color.uint32[0];
mtlClr.green = vkClearValue.color.uint32[1];
mtlClr.blue = vkClearValue.color.uint32[2];
mtlClr.alpha = vkClearValue.color.uint32[3];
break;
case kMVKFormatColorInt8:
case kMVKFormatColorInt16:
case kMVKFormatColorInt32:
mtlClr.red = vkClearValue.color.int32[0];
mtlClr.green = vkClearValue.color.int32[1];
mtlClr.blue = vkClearValue.color.int32[2];
mtlClr.alpha = vkClearValue.color.int32[3];
break;
default:
mtlClr.red = 0.0;
mtlClr.green = 0.0;
mtlClr.blue = 0.0;
mtlClr.alpha = 1.0;
break;
}
return mtlClr;
}
MVK_PUBLIC_SYMBOL double mvkMTLClearDepthFromVkClearValue(VkClearValue vkClearValue) {
return vkClearValue.depthStencil.depth;
}
MVK_PUBLIC_SYMBOL uint32_t mvkMTLClearStencilFromVkClearValue(VkClearValue vkClearValue) {
return vkClearValue.depthStencil.stencil;
}
MVK_PUBLIC_SYMBOL bool mvkMTLPixelFormatIsDepthFormat(MTLPixelFormat mtlFormat) {
switch (mtlFormat) {
case MTLPixelFormatDepth32Float:
#if MVK_MACOS
case MTLPixelFormatDepth16Unorm:
case MTLPixelFormatDepth24Unorm_Stencil8:
#endif
case MTLPixelFormatDepth32Float_Stencil8:
return true;
default:
return false;
}
}
MVK_PUBLIC_SYMBOL bool mvkMTLPixelFormatIsStencilFormat(MTLPixelFormat mtlFormat) {
switch (mtlFormat) {
case MTLPixelFormatStencil8:
#if MVK_MACOS
case MTLPixelFormatDepth24Unorm_Stencil8:
case MTLPixelFormatX24_Stencil8:
#endif
case MTLPixelFormatDepth32Float_Stencil8:
case MTLPixelFormatX32_Stencil8:
return true;
default:
return false;
}
}
MVK_PUBLIC_SYMBOL MTLTextureType mvkMTLTextureTypeFromVkImageType(VkImageType vkImageType,
uint32_t arraySize,
bool isMultisample) {
switch (vkImageType) {
case VK_IMAGE_TYPE_1D: return (arraySize > 1 ? MTLTextureType1DArray : MTLTextureType1D);
case VK_IMAGE_TYPE_3D: return MTLTextureType3D;
case VK_IMAGE_TYPE_2D:
default: {
if (arraySize > 1) { return MTLTextureType2DArray; }
if (isMultisample) { return MTLTextureType2DMultisample; }
return MTLTextureType2D;
}
}
}
MVK_PUBLIC_SYMBOL VkImageType mvkVkImageTypeFromMTLTextureType(MTLTextureType mtlTextureType) {
switch (mtlTextureType) {
case MTLTextureType1D: return VK_IMAGE_TYPE_1D;
case MTLTextureType1DArray: return VK_IMAGE_TYPE_1D;
case MTLTextureType3D: return VK_IMAGE_TYPE_3D;
default: return VK_IMAGE_TYPE_2D;
}
}
MVK_PUBLIC_SYMBOL MTLTextureType mvkMTLTextureTypeFromVkImageViewType(VkImageViewType vkImageViewType,
bool isMultisample) {
switch (vkImageViewType) {
case VK_IMAGE_VIEW_TYPE_1D: return MTLTextureType1D;
case VK_IMAGE_VIEW_TYPE_1D_ARRAY: return MTLTextureType1DArray;
case VK_IMAGE_VIEW_TYPE_2D: return (isMultisample ? MTLTextureType2DMultisample : MTLTextureType2D);
case VK_IMAGE_VIEW_TYPE_2D_ARRAY: return MTLTextureType2DArray;
case VK_IMAGE_VIEW_TYPE_3D: return MTLTextureType3D;
case VK_IMAGE_VIEW_TYPE_CUBE: return MTLTextureTypeCube;
#if MVK_MACOS
case VK_IMAGE_VIEW_TYPE_CUBE_ARRAY: return MTLTextureTypeCubeArray;
#endif
default: return MTLTextureType2D;
}
}
MVK_PUBLIC_SYMBOL MTLTextureUsage mvkMTLTextureUsageFromVkImageUsageFlags(VkImageUsageFlags vkImageUsageFlags) {
MTLTextureUsage mtlUsage = MTLTextureUsageUnknown;
if ( mvkAreFlagsEnabled(vkImageUsageFlags, VK_IMAGE_USAGE_TRANSFER_SRC_BIT) ) {
mvkEnableFlag(mtlUsage, MTLTextureUsageShaderRead);
}
if ( mvkAreFlagsEnabled(vkImageUsageFlags, VK_IMAGE_USAGE_TRANSFER_DST_BIT) ) {
mvkEnableFlag(mtlUsage, MTLTextureUsageRenderTarget);
}
if ( mvkAreFlagsEnabled(vkImageUsageFlags, VK_IMAGE_USAGE_SAMPLED_BIT) ) {
mvkEnableFlag(mtlUsage, MTLTextureUsageShaderRead);
mvkEnableFlag(mtlUsage, MTLTextureUsagePixelFormatView);
}
if ( mvkAreFlagsEnabled(vkImageUsageFlags, VK_IMAGE_USAGE_STORAGE_BIT) ) {
mvkEnableFlag(mtlUsage, MTLTextureUsageShaderWrite);
mvkEnableFlag(mtlUsage, MTLTextureUsagePixelFormatView);
}
if ( mvkAreFlagsEnabled(vkImageUsageFlags, VK_IMAGE_USAGE_INPUT_ATTACHMENT_BIT) ) {
mvkEnableFlag(mtlUsage, MTLTextureUsageShaderRead);
mvkEnableFlag(mtlUsage, MTLTextureUsagePixelFormatView);
}
if ( mvkAreFlagsEnabled(vkImageUsageFlags, VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT) ) {
mvkEnableFlag(mtlUsage, MTLTextureUsageRenderTarget);
mvkEnableFlag(mtlUsage, MTLTextureUsagePixelFormatView);
}
if ( mvkAreFlagsEnabled(vkImageUsageFlags, VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT) ) {
mvkEnableFlag(mtlUsage, MTLTextureUsageRenderTarget);
mvkDisableFlag(mtlUsage, MTLTextureUsagePixelFormatView); // Clears bit. Do this last.
}
return mtlUsage;
}
MVK_PUBLIC_SYMBOL VkImageUsageFlags mvkVkImageUsageFlagsFromMTLTextureUsage(MTLTextureUsage mtlUsage, MTLPixelFormat mtlFormat) {
VkImageUsageFlags vkImageUsageFlags = 0;
if ( mvkAreFlagsEnabled(mtlUsage, MTLTextureUsageShaderRead) ) {
mvkEnableFlag(vkImageUsageFlags, VK_IMAGE_USAGE_TRANSFER_SRC_BIT);
mvkEnableFlag(vkImageUsageFlags, VK_IMAGE_USAGE_SAMPLED_BIT);
mvkEnableFlag(vkImageUsageFlags, VK_IMAGE_USAGE_INPUT_ATTACHMENT_BIT);
}
if ( mvkAreFlagsEnabled(mtlUsage, MTLTextureUsageRenderTarget) ) {
mvkEnableFlag(vkImageUsageFlags, VK_IMAGE_USAGE_TRANSFER_DST_BIT);
if (mvkMTLPixelFormatIsDepthFormat(mtlFormat) || mvkMTLPixelFormatIsStencilFormat(mtlFormat)) {
mvkEnableFlag(vkImageUsageFlags, VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT);
} else {
mvkEnableFlag(vkImageUsageFlags, VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT);
}
}
if ( mvkAreFlagsEnabled(mtlUsage, MTLTextureUsageShaderWrite) ) {
mvkEnableFlag(vkImageUsageFlags, VK_IMAGE_USAGE_STORAGE_BIT);
}
return vkImageUsageFlags;
}
MVK_PUBLIC_SYMBOL uint32_t mvkSampleCountFromVkSampleCountFlagBits(VkSampleCountFlagBits vkSampleCountFlag) {
// The bits are already in the correct mathematical sequence (assuming only one bit is set)
return uint32_t(vkSampleCountFlag);
}
MVK_PUBLIC_SYMBOL VkSampleCountFlagBits mvkVkSampleCountFlagBitsFromSampleCount(NSUInteger sampleCount) {
// The bits are already in the correct mathematical sequence (assuming only POT sample counts)
return VkSampleCountFlagBits(sampleCount);
}
#pragma mark Mipmaps
MVK_PUBLIC_SYMBOL uint32_t mvkMipmapLevels(uint32_t dim) {
if ( !mvkIsPowerOfTwo(dim) ) { return 0; }
uint32_t exp = 0;
while (dim) {
exp++;
dim >>= 1;
}
return exp;
}
MVK_PUBLIC_SYMBOL uint32_t mvkMipmapLevels2D(VkExtent2D extent) {
return mvkMipmapLevels3D(mvkVkExtent3DFromVkExtent2D(extent));
}
MVK_PUBLIC_SYMBOL uint32_t mvkMipmapLevels3D(VkExtent3D extent) {
uint32_t maxDim = max({extent.width, extent.height, extent.depth});
return max(mvkMipmapLevels(maxDim), 1U);
}
MVK_PUBLIC_SYMBOL VkExtent2D mvkMipmapLevelSizeFromBaseSize2D(VkExtent2D baseSize, uint32_t level) {
return mvkVkExtent2DFromVkExtent3D(mvkMipmapLevelSizeFromBaseSize3D(mvkVkExtent3DFromVkExtent2D(baseSize), level));
}
MVK_PUBLIC_SYMBOL VkExtent3D mvkMipmapLevelSizeFromBaseSize3D(VkExtent3D baseSize, uint32_t level) {
VkExtent3D lvlSize;
lvlSize.width = max(baseSize.width >> level, 1U);
lvlSize.height = max(baseSize.height >> level, 1U);
lvlSize.depth = max(baseSize.depth >> level, 1U);
return lvlSize;
}
MVK_PUBLIC_SYMBOL VkExtent2D mvkMipmapBaseSizeFromLevelSize2D(VkExtent2D levelSize, uint32_t level) {
return mvkVkExtent2DFromVkExtent3D(mvkMipmapBaseSizeFromLevelSize3D(mvkVkExtent3DFromVkExtent2D(levelSize), level));
}
MVK_PUBLIC_SYMBOL VkExtent3D mvkMipmapBaseSizeFromLevelSize3D(VkExtent3D levelSize, uint32_t level) {
VkExtent3D baseSize;
baseSize.width = levelSize.width << level;
baseSize.height = levelSize.height << level;
baseSize.depth = levelSize.depth << level;
return baseSize;
}
#pragma mark Samplers
MVK_PUBLIC_SYMBOL MTLSamplerAddressMode mvkMTLSamplerAddressModeFromVkSamplerAddressMode(VkSamplerAddressMode vkMode) {
switch (vkMode) {
case VK_SAMPLER_ADDRESS_MODE_REPEAT: return MTLSamplerAddressModeRepeat;
case VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_EDGE: return MTLSamplerAddressModeClampToEdge;
case VK_SAMPLER_ADDRESS_MODE_CLAMP_TO_BORDER: return MTLSamplerAddressModeClampToZero;
case VK_SAMPLER_ADDRESS_MODE_MIRRORED_REPEAT: return MTLSamplerAddressModeMirrorRepeat;
#if MVK_MACOS
case VK_SAMPLER_ADDRESS_MODE_MIRROR_CLAMP_TO_EDGE: return MTLSamplerAddressModeMirrorClampToEdge;
#endif
default: return MTLSamplerAddressModeClampToZero;
}
}
MVK_PUBLIC_SYMBOL MTLSamplerMinMagFilter mvkMTLSamplerMinMagFilterFromVkFilter(VkFilter vkFilter) {
switch (vkFilter) {
case VK_FILTER_NEAREST: return MTLSamplerMinMagFilterNearest;
case VK_FILTER_LINEAR: return MTLSamplerMinMagFilterLinear;
default: return MTLSamplerMinMagFilterNearest;
}
}
MVK_PUBLIC_SYMBOL MTLSamplerMipFilter mvkMTLSamplerMipFilterFromVkSamplerMipmapMode(VkSamplerMipmapMode vkMode) {
switch (vkMode) {
case VK_SAMPLER_MIPMAP_MODE_NEAREST: return MTLSamplerMipFilterNearest;
case VK_SAMPLER_MIPMAP_MODE_LINEAR: return MTLSamplerMipFilterLinear;
default: return MTLSamplerMipFilterNotMipmapped;
}
}
#pragma mark -
#pragma mark Render pipeline
MVK_PUBLIC_SYMBOL MTLColorWriteMask mvkMTLColorWriteMaskFromVkChannelFlags(VkColorComponentFlags vkWriteFlags) {
MTLColorWriteMask mtlWriteMask = MTLColorWriteMaskNone;
if (mvkAreFlagsEnabled(vkWriteFlags, VK_COLOR_COMPONENT_R_BIT)) { mvkEnableFlag(mtlWriteMask, MTLColorWriteMaskRed); }
if (mvkAreFlagsEnabled(vkWriteFlags, VK_COLOR_COMPONENT_G_BIT)) { mvkEnableFlag(mtlWriteMask, MTLColorWriteMaskGreen); }
if (mvkAreFlagsEnabled(vkWriteFlags, VK_COLOR_COMPONENT_B_BIT)) { mvkEnableFlag(mtlWriteMask, MTLColorWriteMaskBlue); }
if (mvkAreFlagsEnabled(vkWriteFlags, VK_COLOR_COMPONENT_A_BIT)) { mvkEnableFlag(mtlWriteMask, MTLColorWriteMaskAlpha); }
return mtlWriteMask;
}
MVK_PUBLIC_SYMBOL MTLBlendOperation mvkMTLBlendOperationFromVkBlendOp(VkBlendOp vkBlendOp) {
switch (vkBlendOp) {
case VK_BLEND_OP_ADD: return MTLBlendOperationAdd;
case VK_BLEND_OP_SUBTRACT: return MTLBlendOperationSubtract;
case VK_BLEND_OP_REVERSE_SUBTRACT: return MTLBlendOperationReverseSubtract;
case VK_BLEND_OP_MIN: return MTLBlendOperationMin;
case VK_BLEND_OP_MAX: return MTLBlendOperationMax;
default: return MTLBlendOperationAdd;
}
}
MVK_PUBLIC_SYMBOL MTLBlendFactor mvkMTLBlendFactorFromVkBlendFactor(VkBlendFactor vkBlendFactor) {
switch (vkBlendFactor) {
case VK_BLEND_FACTOR_ZERO: return MTLBlendFactorZero;
case VK_BLEND_FACTOR_ONE: return MTLBlendFactorOne;
case VK_BLEND_FACTOR_SRC_COLOR: return MTLBlendFactorSourceColor;
case VK_BLEND_FACTOR_ONE_MINUS_SRC_COLOR: return MTLBlendFactorOneMinusSourceColor;
case VK_BLEND_FACTOR_DST_COLOR: return MTLBlendFactorDestinationColor;
case VK_BLEND_FACTOR_ONE_MINUS_DST_COLOR: return MTLBlendFactorOneMinusDestinationColor;
case VK_BLEND_FACTOR_SRC_ALPHA: return MTLBlendFactorSourceAlpha;
case VK_BLEND_FACTOR_ONE_MINUS_SRC_ALPHA: return MTLBlendFactorOneMinusSourceAlpha;
case VK_BLEND_FACTOR_DST_ALPHA: return MTLBlendFactorDestinationAlpha;
case VK_BLEND_FACTOR_ONE_MINUS_DST_ALPHA: return MTLBlendFactorOneMinusDestinationAlpha;
case VK_BLEND_FACTOR_CONSTANT_COLOR: return MTLBlendFactorBlendColor;
case VK_BLEND_FACTOR_ONE_MINUS_CONSTANT_COLOR: return MTLBlendFactorOneMinusBlendColor;
case VK_BLEND_FACTOR_CONSTANT_ALPHA: return MTLBlendFactorBlendAlpha;
case VK_BLEND_FACTOR_ONE_MINUS_CONSTANT_ALPHA: return MTLBlendFactorOneMinusBlendAlpha;
case VK_BLEND_FACTOR_SRC_ALPHA_SATURATE: return MTLBlendFactorSourceAlphaSaturated;
#if MVK_IOS
case VK_BLEND_FACTOR_SRC1_COLOR: return MTLBlendFactorSourceColor;
case VK_BLEND_FACTOR_ONE_MINUS_SRC1_COLOR: return MTLBlendFactorOneMinusSourceColor;
case VK_BLEND_FACTOR_SRC1_ALPHA: return MTLBlendFactorSourceAlpha;
case VK_BLEND_FACTOR_ONE_MINUS_SRC1_ALPHA: return MTLBlendFactorOneMinusSourceAlpha;
#endif
#if MVK_MACOS
case VK_BLEND_FACTOR_SRC1_COLOR: return MTLBlendFactorSource1Color;
case VK_BLEND_FACTOR_ONE_MINUS_SRC1_COLOR: return MTLBlendFactorOneMinusSource1Color;
case VK_BLEND_FACTOR_SRC1_ALPHA: return MTLBlendFactorSource1Alpha;
case VK_BLEND_FACTOR_ONE_MINUS_SRC1_ALPHA: return MTLBlendFactorOneMinusSource1Alpha;
#endif
default: return MTLBlendFactorZero;
}
}
MVK_PUBLIC_SYMBOL MTLVertexStepFunction mvkMTLVertexStepFunctionFromVkVertexInputRate(VkVertexInputRate vkVtxStep) {
switch (vkVtxStep) {
case VK_VERTEX_INPUT_RATE_VERTEX: return MTLVertexStepFunctionPerVertex;
case VK_VERTEX_INPUT_RATE_INSTANCE: return MTLVertexStepFunctionPerInstance;
default: return MTLVertexStepFunctionPerVertex;
}
}
MVK_PUBLIC_SYMBOL MTLPrimitiveType mvkMTLPrimitiveTypeFromVkPrimitiveTopology(VkPrimitiveTopology vkTopology) {
switch (vkTopology) {
case VK_PRIMITIVE_TOPOLOGY_POINT_LIST:
return MTLPrimitiveTypePoint;
case VK_PRIMITIVE_TOPOLOGY_LINE_LIST:
case VK_PRIMITIVE_TOPOLOGY_LINE_LIST_WITH_ADJACENCY:
return MTLPrimitiveTypeLine;
case VK_PRIMITIVE_TOPOLOGY_LINE_STRIP:
case VK_PRIMITIVE_TOPOLOGY_LINE_STRIP_WITH_ADJACENCY:
return MTLPrimitiveTypeLineStrip;
case VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST:
case VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST_WITH_ADJACENCY:
return MTLPrimitiveTypeTriangle;
case VK_PRIMITIVE_TOPOLOGY_TRIANGLE_STRIP:
case VK_PRIMITIVE_TOPOLOGY_TRIANGLE_STRIP_WITH_ADJACENCY:
return MTLPrimitiveTypeTriangleStrip;
case VK_PRIMITIVE_TOPOLOGY_TRIANGLE_FAN:
case VK_PRIMITIVE_TOPOLOGY_PATCH_LIST:
default:
mvkNotifyErrorWithText(VK_ERROR_FORMAT_NOT_SUPPORTED, "VkPrimitiveTopology value %d is not supported for rendering.", vkTopology);
return MTLPrimitiveTypePoint;
}
}
MVK_PUBLIC_SYMBOL NSUInteger mvkMTLPrimitiveTopologyClassFromVkPrimitiveTopology(VkPrimitiveTopology vkTopology) {
#if MVK_MACOS
switch (vkTopology) {
case VK_PRIMITIVE_TOPOLOGY_POINT_LIST:
return MTLPrimitiveTopologyClassPoint;
case VK_PRIMITIVE_TOPOLOGY_LINE_LIST:
case VK_PRIMITIVE_TOPOLOGY_LINE_STRIP:
case VK_PRIMITIVE_TOPOLOGY_LINE_LIST_WITH_ADJACENCY:
case VK_PRIMITIVE_TOPOLOGY_LINE_STRIP_WITH_ADJACENCY:
return MTLPrimitiveTopologyClassLine;
case VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST:
case VK_PRIMITIVE_TOPOLOGY_TRIANGLE_STRIP:
case VK_PRIMITIVE_TOPOLOGY_TRIANGLE_FAN:
case VK_PRIMITIVE_TOPOLOGY_TRIANGLE_LIST_WITH_ADJACENCY:
case VK_PRIMITIVE_TOPOLOGY_TRIANGLE_STRIP_WITH_ADJACENCY:
return MTLPrimitiveTopologyClassTriangle;
case VK_PRIMITIVE_TOPOLOGY_PATCH_LIST:
default:
mvkNotifyErrorWithText(VK_ERROR_FORMAT_NOT_SUPPORTED, "VkPrimitiveTopology value %d is not supported for render pipelines.", vkTopology);
return MTLPrimitiveTopologyClassUnspecified;
}
#endif
#if MVK_IOS
return 0;
#endif
}
MVK_PUBLIC_SYMBOL MTLLoadAction mvkMTLLoadActionFromVkAttachmentLoadOp(VkAttachmentLoadOp vkLoadOp) {
switch (vkLoadOp) {
case VK_ATTACHMENT_LOAD_OP_LOAD: return MTLLoadActionLoad;
case VK_ATTACHMENT_LOAD_OP_CLEAR: return MTLLoadActionClear;
case VK_ATTACHMENT_LOAD_OP_DONT_CARE: return MTLLoadActionDontCare;
default:
mvkNotifyErrorWithText(VK_ERROR_FORMAT_NOT_SUPPORTED, "VkAttachmentLoadOp value %d is not supported.", vkLoadOp);
return MTLLoadActionLoad;
}
}
MVK_PUBLIC_SYMBOL MTLStoreAction mvkMTLStoreActionFromVkAttachmentStoreOp(VkAttachmentStoreOp vkStoreOp) {
switch (vkStoreOp) {
case VK_ATTACHMENT_STORE_OP_STORE: return MTLStoreActionStore;
case VK_ATTACHMENT_STORE_OP_DONT_CARE: return MTLStoreActionDontCare;
default:
mvkNotifyErrorWithText(VK_ERROR_FORMAT_NOT_SUPPORTED, "VkAttachmentStoreOp value %d is not supported.", vkStoreOp);
return MTLStoreActionStore;
}
}
MVK_PUBLIC_SYMBOL MTLViewport mvkMTLViewportFromVkViewport(VkViewport vkViewport) {
MTLViewport mtlViewport;
mtlViewport.originX = vkViewport.x;
mtlViewport.originY = vkViewport.y;
mtlViewport.width = vkViewport.width;
mtlViewport.height = vkViewport.height;
mtlViewport.znear = vkViewport.minDepth;
mtlViewport.zfar = vkViewport.maxDepth;
return mtlViewport;
}
MVK_PUBLIC_SYMBOL MTLScissorRect mvkMTLScissorRectFromVkRect2D(VkRect2D vkRect) {
MTLScissorRect mtlScissor;
mtlScissor.x = vkRect.offset.x;
mtlScissor.y = vkRect.offset.y;
mtlScissor.width = vkRect.extent.width;
mtlScissor.height = vkRect.extent.height;
return mtlScissor;
}
MVK_PUBLIC_SYMBOL MTLCompareFunction mvkMTLCompareFunctionFromVkCompareOp(VkCompareOp vkOp) {
switch (vkOp) {
case VK_COMPARE_OP_NEVER: return MTLCompareFunctionNever;
case VK_COMPARE_OP_LESS: return MTLCompareFunctionLess;
case VK_COMPARE_OP_EQUAL: return MTLCompareFunctionEqual;
case VK_COMPARE_OP_LESS_OR_EQUAL: return MTLCompareFunctionLessEqual;
case VK_COMPARE_OP_GREATER: return MTLCompareFunctionGreater;
case VK_COMPARE_OP_NOT_EQUAL: return MTLCompareFunctionNotEqual;
case VK_COMPARE_OP_GREATER_OR_EQUAL: return MTLCompareFunctionGreaterEqual;
case VK_COMPARE_OP_ALWAYS: return MTLCompareFunctionAlways;
default: return MTLCompareFunctionNever;
}
}
MVK_PUBLIC_SYMBOL MTLStencilOperation mvkMTLStencilOperationFromVkStencilOp(VkStencilOp vkOp) {
switch (vkOp) {
case VK_STENCIL_OP_KEEP: return MTLStencilOperationKeep;
case VK_STENCIL_OP_ZERO: return MTLStencilOperationZero;
case VK_STENCIL_OP_REPLACE: return MTLStencilOperationReplace;
case VK_STENCIL_OP_INCREMENT_AND_CLAMP: return MTLStencilOperationIncrementClamp;
case VK_STENCIL_OP_DECREMENT_AND_CLAMP: return MTLStencilOperationDecrementClamp;
case VK_STENCIL_OP_INVERT: return MTLStencilOperationInvert;
case VK_STENCIL_OP_INCREMENT_AND_WRAP: return MTLStencilOperationIncrementWrap;
case VK_STENCIL_OP_DECREMENT_AND_WRAP: return MTLStencilOperationDecrementWrap;
default: return MTLStencilOperationKeep;
}
}
MVK_PUBLIC_SYMBOL MTLCullMode mvkMTLCullModeFromVkCullModeFlags(VkCullModeFlags vkCull) {
switch (vkCull) {
case VK_CULL_MODE_NONE: return MTLCullModeNone;
case VK_CULL_MODE_FRONT_BIT: return MTLCullModeFront;
case VK_CULL_MODE_BACK_BIT: return MTLCullModeBack;
default: return MTLCullModeNone;
}
}
MVK_PUBLIC_SYMBOL MTLWinding mvkMTLWindingFromVkFrontFace(VkFrontFace vkWinding) {
switch (vkWinding) {
case VK_FRONT_FACE_COUNTER_CLOCKWISE: return MTLWindingCounterClockwise;
case VK_FRONT_FACE_CLOCKWISE: return MTLWindingClockwise;
default: return MTLWindingCounterClockwise;
}
}
MVK_PUBLIC_SYMBOL MTLTriangleFillMode mvkMTLTriangleFillModeFromVkPolygonMode(VkPolygonMode vkFillMode) {
switch (vkFillMode) {
case VK_POLYGON_MODE_FILL: return MTLTriangleFillModeFill;
case VK_POLYGON_MODE_LINE: return MTLTriangleFillModeLines;
case VK_POLYGON_MODE_POINT: return MTLTriangleFillModeLines;
default: return MTLTriangleFillModeLines;
}
}
MVK_PUBLIC_SYMBOL MTLIndexType mvkMTLIndexTypeFromVkIndexType(VkIndexType vkIdxType) {
switch (vkIdxType) {
case VK_INDEX_TYPE_UINT32: return MTLIndexTypeUInt32;
case VK_INDEX_TYPE_UINT16: return MTLIndexTypeUInt16;
default: return MTLIndexTypeUInt16;
}
}
MVK_PUBLIC_SYMBOL size_t mvkMTLIndexTypeSizeInBytes(MTLIndexType mtlIdxType) {
switch (mtlIdxType) {
case MTLIndexTypeUInt16: return 2;
case MTLIndexTypeUInt32: return 4;
}
}
#pragma mark -
#pragma mark Memory options
MVK_PUBLIC_SYMBOL MTLStorageMode mvkMTLStorageModeFromVkMemoryPropertyFlags(VkMemoryPropertyFlags vkFlags) {
// If not visible to the host: Private
if ( !mvkAreFlagsEnabled(vkFlags, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT) ) {
return MTLStorageModePrivate;
}
// If visible to the host and coherent: Shared
if (mvkAreFlagsEnabled(vkFlags, VK_MEMORY_PROPERTY_HOST_COHERENT_BIT)) {
return MTLStorageModeShared;
}
// If visible to the host, and not coherent: Managed on macOS, Shared on iOS
#if MVK_MACOS
return MTLStorageModeManaged;
#else
return MTLStorageModeShared;
#endif
}
MVK_PUBLIC_SYMBOL MTLCPUCacheMode mvkMTLCPUCacheModeFromVkMemoryPropertyFlags(VkMemoryPropertyFlags vkFlags) {
return MTLCPUCacheModeDefaultCache;
}
MVK_PUBLIC_SYMBOL MTLResourceOptions mvkMTLResourceOptionsFromVkMemoryPropertyFlags(VkMemoryPropertyFlags vkFlags) {
MTLResourceOptions mtlFlags = 0;
// First set the resource CPU cache mode
MTLCPUCacheMode mtlCPUMode = mvkMTLCPUCacheModeFromVkMemoryPropertyFlags(vkFlags);
switch (mtlCPUMode) {
case MTLCPUCacheModeDefaultCache:
mvkEnableFlag(mtlFlags, MTLResourceCPUCacheModeDefaultCache);
break;
case MTLCPUCacheModeWriteCombined:
mvkEnableFlag(mtlFlags, MTLResourceCPUCacheModeWriteCombined);
break;
}
// Then set the resource storage mode
MTLStorageMode mtlStgMode = mvkMTLStorageModeFromVkMemoryPropertyFlags(vkFlags);
switch (mtlStgMode) {
case MTLStorageModePrivate:
mvkEnableFlag(mtlFlags, MTLResourceStorageModePrivate);
break;
case MTLStorageModeShared:
mvkEnableFlag(mtlFlags, MTLResourceStorageModeShared);
break;
#if MVK_MACOS
case MTLStorageModeManaged:
mvkEnableFlag(mtlFlags, MTLResourceStorageModeManaged);
break;
#endif
default: // Silence erroneous -Wswitch-enum warning on MTLResourceStorageModeManaged under iOS
break;
}
return mtlFlags;
}
#pragma mark -
#pragma mark Library initialization
/**
* Called automatically when the framework is loaded and initialized.
*
* Initialize various data type lookups.
*/
static bool _mvkDataTypesInitialized = false;
__attribute__((constructor)) static void MVKInitDataTypes() {
if (_mvkDataTypesInitialized ) { return; }
MVKInitFormatMaps();
_mvkDataTypesInitialized = true;
}