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skia / skia / c0a7f7db46ffbeac16c078bb56e323da9bf8e019 / . / src / gpu / graphite / vk / VulkanCaps.cpp
blob: 487876dfca77954ee2b9af443d353b4537cd0228 [file] [log] [blame]
/*
* Copyright 2022 Google LLC
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "src/gpu/graphite/vk/VulkanCaps.h"
#include "include/core/SkTextureCompressionType.h"
#include "include/gpu/graphite/ContextOptions.h"
#include "include/gpu/graphite/TextureInfo.h"
#include "include/gpu/graphite/vk/VulkanGraphiteTypes.h"
#include "include/gpu/vk/VulkanExtensions.h"
#include "include/gpu/vk/VulkanTypes.h"
#include "src/gpu/graphite/ContextUtils.h"
#include "src/gpu/graphite/GraphicsPipelineDesc.h"
#include "src/gpu/graphite/GraphiteResourceKey.h"
#include "src/gpu/graphite/RenderPassDesc.h"
#include "src/gpu/graphite/RendererProvider.h"
#include "src/gpu/graphite/RuntimeEffectDictionary.h"
#include "src/gpu/graphite/vk/VulkanGraphiteUtilsPriv.h"
#include "src/gpu/graphite/vk/VulkanRenderPass.h"
#include "src/gpu/graphite/vk/VulkanSamplerYcbcrConversion.h"
#include "src/gpu/graphite/vk/VulkanSharedContext.h"
#include "src/gpu/vk/VulkanUtilsPriv.h"
#ifdef SK_BUILD_FOR_ANDROID
#include <sys/system_properties.h>
#endif
namespace skgpu::graphite {
VulkanCaps::VulkanCaps(const ContextOptions& contextOptions,
const skgpu::VulkanInterface* vkInterface,
VkPhysicalDevice physDev,
uint32_t physicalDeviceVersion,
const VkPhysicalDeviceFeatures2* features,
const skgpu::VulkanExtensions* extensions,
Protected isProtected)
: Caps() {
this->init(contextOptions, vkInterface, physDev, physicalDeviceVersion, features, extensions,
isProtected);
}
VulkanCaps::~VulkanCaps() {}
void VulkanCaps::init(const ContextOptions& contextOptions,
const skgpu::VulkanInterface* vkInterface,
VkPhysicalDevice physDev,
uint32_t physicalDeviceVersion,
const VkPhysicalDeviceFeatures2* features,
const skgpu::VulkanExtensions* extensions,
Protected isProtected) {
VkPhysicalDeviceProperties physDevProperties;
VULKAN_CALL(vkInterface, GetPhysicalDeviceProperties(physDev, &physDevProperties));
#if defined(GRAPHITE_TEST_UTILS)
this->setDeviceName(physDevProperties.deviceName);
#endif
// Graphite requires Vulkan version 1.1 or later, which always has protected support.
if (isProtected == Protected::kYes) {
fProtectedSupport = true;
fShouldAlwaysUseDedicatedImageMemory = true;
}
fPhysicalDeviceMemoryProperties2.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_MEMORY_PROPERTIES_2;
fPhysicalDeviceMemoryProperties2.pNext = nullptr;
VULKAN_CALL(vkInterface,
GetPhysicalDeviceMemoryProperties2(physDev, &fPhysicalDeviceMemoryProperties2));
// We could actually query and get a max size for each config, however maxImageDimension2D will
// give the minimum max size across all configs. So for simplicity we will use that for now.
fMaxTextureSize = std::min(physDevProperties.limits.maxImageDimension2D, (uint32_t)INT_MAX);
fRequiredUniformBufferAlignment = physDevProperties.limits.minUniformBufferOffsetAlignment;
fRequiredStorageBufferAlignment = physDevProperties.limits.minStorageBufferOffsetAlignment;
fRequiredTransferBufferAlignment = 4;
fResourceBindingReqs.fUniformBufferLayout = Layout::kStd140;
// TODO(skia:14639): We cannot use std430 layout for SSBOs until SkSL gracefully handles
// implicit array stride.
fResourceBindingReqs.fStorageBufferLayout = Layout::kStd140;
fResourceBindingReqs.fSeparateTextureAndSamplerBinding = false;
fResourceBindingReqs.fDistinctIndexRanges = false;
VkPhysicalDeviceMemoryProperties deviceMemoryProperties;
VULKAN_CALL(vkInterface, GetPhysicalDeviceMemoryProperties(physDev, &deviceMemoryProperties));
fSupportsMemorylessAttachments = false;
VkMemoryPropertyFlags requiredLazyFlags = VK_MEMORY_PROPERTY_LAZILY_ALLOCATED_BIT;
if (fProtectedSupport) {
// If we have a protected context we can only use memoryless images if they also support
// being protected. With current devices we don't actually expect this combination to be
// supported, but this at least covers us for future devices that may allow it.
requiredLazyFlags |= VK_MEMORY_PROPERTY_PROTECTED_BIT;
}
for (uint32_t i = 0; i < deviceMemoryProperties.memoryTypeCount; ++i) {
if (deviceMemoryProperties.memoryTypes[i].propertyFlags & requiredLazyFlags) {
fSupportsMemorylessAttachments = true;
}
}
#ifdef SK_BUILD_FOR_UNIX
if (kNvidia_VkVendor == physDevProperties.vendorID) {
// On NVIDIA linux we see a big perf regression when not using dedicated image allocations.
fShouldAlwaysUseDedicatedImageMemory = true;
}
#endif
if (physDevProperties.vendorID == kNvidia_VkVendor ||
physDevProperties.vendorID == kAMD_VkVendor) {
// On discrete GPUs, it can be faster to read gpu-only memory compared to memory that is
// also mappable on the host.
fGpuOnlyBuffersMorePerformant = true;
// On discrete GPUs we try to use special DEVICE_LOCAL and HOST_VISIBLE memory for our
// cpu write, gpu read buffers. This memory is not ideal to be kept persistently mapped.
// Some discrete GPUs do not expose this special memory, however we still disable
// persistently mapped buffers for all of them since most GPUs with updated drivers do
// expose it. If this becomes an issue we can try to be more fine grained.
fShouldPersistentlyMapCpuToGpuBuffers = false;
}
if (!contextOptions.fDisableDriverCorrectnessWorkarounds) {
this->applyDriverCorrectnessWorkarounds(physDevProperties);
}
if (physDevProperties.vendorID == kAMD_VkVendor) {
// AMD advertises support for MAX_UINT vertex attributes but in reality only supports 32.
fMaxVertexAttributes = 32;
} else {
fMaxVertexAttributes = physDevProperties.limits.maxVertexInputAttributes;
}
fMaxUniformBufferRange = physDevProperties.limits.maxUniformBufferRange;
#ifdef SK_BUILD_FOR_ANDROID
if (extensions->hasExtension(
VK_ANDROID_EXTERNAL_MEMORY_ANDROID_HARDWARE_BUFFER_EXTENSION_NAME, 2)) {
fSupportsAHardwareBufferImages = true;
}
#endif
// Determine whether the client enabled certain physical device features.
if (features) {
auto ycbcrFeatures =
skgpu::GetExtensionFeatureStruct<VkPhysicalDeviceSamplerYcbcrConversionFeatures>(
*features,
VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_SAMPLER_YCBCR_CONVERSION_FEATURES);
if (ycbcrFeatures && ycbcrFeatures->samplerYcbcrConversion) {
fSupportsYcbcrConversion = true;
}
}
if (extensions->hasExtension(VK_EXT_DEVICE_FAULT_EXTENSION_NAME, 1)) {
fSupportsDeviceFaultInfo = true;
}
// Note that format table initialization should be performed at the end of this method to ensure
// all capability determinations are completed prior to populating the format tables.
this->initFormatTable(vkInterface, physDev, physDevProperties);
this->initDepthStencilFormatTable(vkInterface, physDev, physDevProperties);
this->finishInitialization(contextOptions);
}
void VulkanCaps::applyDriverCorrectnessWorkarounds(const VkPhysicalDeviceProperties& properties) {
// By default, we initialize the Android API version to 0 since we consider certain things
// "fixed" only once above a certain version. This way, we default to enabling the workarounds.
int androidAPIVersion = 0;
#if defined(SK_BUILD_FOR_ANDROID)
char androidAPIVersionStr[PROP_VALUE_MAX];
int strLength = __system_property_get("ro.build.version.sdk", androidAPIVersionStr);
// Defaults to zero since most checks care if it is greater than a specific value. So this will
// just default to it being less.
androidAPIVersion = (strLength == 0) ? 0 : atoi(androidAPIVersionStr);
#endif
// On Mali galaxy s7 we see lots of rendering issues when we suballocate VkImages.
if (kARM_VkVendor == properties.vendorID && androidAPIVersion <= 28) {
fShouldAlwaysUseDedicatedImageMemory = true;
}
}
// These are all the valid VkFormats that we support in Skia. They are roughly ordered from most
// frequently used to least to improve look up times in arrays.
static constexpr VkFormat kVkFormats[] = {
VK_FORMAT_R8G8B8A8_UNORM,
VK_FORMAT_R8_UNORM,
VK_FORMAT_B8G8R8A8_UNORM,
VK_FORMAT_R5G6B5_UNORM_PACK16,
VK_FORMAT_R16G16B16A16_SFLOAT,
VK_FORMAT_R16_SFLOAT,
VK_FORMAT_R8G8B8_UNORM,
VK_FORMAT_R8G8_UNORM,
VK_FORMAT_A2B10G10R10_UNORM_PACK32,
VK_FORMAT_A2R10G10B10_UNORM_PACK32,
VK_FORMAT_B4G4R4A4_UNORM_PACK16,
VK_FORMAT_R4G4B4A4_UNORM_PACK16,
VK_FORMAT_R8G8B8A8_SRGB,
VK_FORMAT_ETC2_R8G8B8_UNORM_BLOCK,
VK_FORMAT_BC1_RGB_UNORM_BLOCK,
VK_FORMAT_BC1_RGBA_UNORM_BLOCK,
VK_FORMAT_R16_UNORM,
VK_FORMAT_R16G16_UNORM,
VK_FORMAT_G8_B8_R8_3PLANE_420_UNORM,
VK_FORMAT_G8_B8R8_2PLANE_420_UNORM,
VK_FORMAT_R16G16B16A16_UNORM,
VK_FORMAT_R16G16_SFLOAT,
};
// These are all the valid depth/stencil formats that we support in Skia.
static constexpr VkFormat kDepthStencilVkFormats[] = {
VK_FORMAT_S8_UINT,
VK_FORMAT_D16_UNORM,
VK_FORMAT_D32_SFLOAT,
VK_FORMAT_D24_UNORM_S8_UINT,
VK_FORMAT_D32_SFLOAT_S8_UINT,
};
TextureInfo VulkanCaps::getDefaultSampledTextureInfo(SkColorType ct,
Mipmapped mipmapped,
Protected isProtected,
Renderable isRenderable) const {
VkFormat format = this->getFormatFromColorType(ct);
const FormatInfo& formatInfo = this->getFormatInfo(format);
static constexpr int defaultSampleCount = 1;
if ((isProtected == Protected::kYes && !this->protectedSupport()) ||
!formatInfo.isTexturable(VK_IMAGE_TILING_OPTIMAL) ||
(isRenderable == Renderable::kYes &&
!formatInfo.isRenderable(VK_IMAGE_TILING_OPTIMAL, defaultSampleCount)) ) {
return {};
}
VulkanTextureInfo info;
info.fSampleCount = defaultSampleCount;
info.fMipmapped = mipmapped;
info.fFlags = (isProtected == Protected::kYes) ? VK_IMAGE_CREATE_PROTECTED_BIT : 0;
info.fFormat = format;
info.fImageTiling = VK_IMAGE_TILING_OPTIMAL;
info.fImageUsageFlags = VK_IMAGE_USAGE_SAMPLED_BIT |
VK_IMAGE_USAGE_TRANSFER_SRC_BIT |
VK_IMAGE_USAGE_TRANSFER_DST_BIT;
if (isRenderable == Renderable::kYes) {
// We make all renderable images support being used as input attachment
info.fImageUsageFlags = info.fImageUsageFlags |
VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT |
VK_IMAGE_USAGE_INPUT_ATTACHMENT_BIT;
}
info.fSharingMode = VK_SHARING_MODE_EXCLUSIVE;
info.fAspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
return info;
}
TextureInfo VulkanCaps::getTextureInfoForSampledCopy(const TextureInfo& textureInfo,
Mipmapped mipmapped) const {
VulkanTextureInfo info;
if (!textureInfo.getVulkanTextureInfo(&info)) {
return {};
}
info.fSampleCount = 1;
info.fMipmapped = mipmapped;
info.fFlags = (textureInfo.fProtected == Protected::kYes) ? VK_IMAGE_CREATE_PROTECTED_BIT : 0;
info.fImageTiling = VK_IMAGE_TILING_OPTIMAL;
info.fImageUsageFlags = VK_IMAGE_USAGE_SAMPLED_BIT | VK_IMAGE_USAGE_TRANSFER_SRC_BIT |
VK_IMAGE_USAGE_TRANSFER_DST_BIT;
info.fSharingMode = VK_SHARING_MODE_EXCLUSIVE;
return info;
}
namespace {
VkFormat format_from_compression(SkTextureCompressionType compression) {
switch (compression) {
case SkTextureCompressionType::kETC2_RGB8_UNORM:
return VK_FORMAT_ETC2_R8G8B8_UNORM_BLOCK;
case SkTextureCompressionType::kBC1_RGB8_UNORM:
return VK_FORMAT_BC1_RGB_UNORM_BLOCK;
case SkTextureCompressionType::kBC1_RGBA8_UNORM:
return VK_FORMAT_BC1_RGBA_UNORM_BLOCK;
default:
return VK_FORMAT_UNDEFINED;
}
}
}
TextureInfo VulkanCaps::getDefaultCompressedTextureInfo(SkTextureCompressionType compression,
Mipmapped mipmapped,
Protected isProtected) const {
VkFormat format = format_from_compression(compression);
const FormatInfo& formatInfo = this->getFormatInfo(format);
static constexpr int defaultSampleCount = 1;
if ((isProtected == Protected::kYes && !this->protectedSupport()) ||
!formatInfo.isTexturable(VK_IMAGE_TILING_OPTIMAL)) {
return {};
}
VulkanTextureInfo info;
info.fSampleCount = defaultSampleCount;
info.fMipmapped = mipmapped;
info.fFlags = (isProtected == Protected::kYes) ? VK_IMAGE_CREATE_PROTECTED_BIT : 0;
info.fFormat = format;
info.fImageTiling = VK_IMAGE_TILING_OPTIMAL;
info.fImageUsageFlags = VK_IMAGE_USAGE_SAMPLED_BIT |
VK_IMAGE_USAGE_TRANSFER_SRC_BIT |
VK_IMAGE_USAGE_TRANSFER_DST_BIT;
info.fSharingMode = VK_SHARING_MODE_EXCLUSIVE;
info.fAspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
return info;
}
TextureInfo VulkanCaps::getDefaultMSAATextureInfo(const TextureInfo& singleSampledInfo,
Discardable discardable) const {
if (fDefaultMSAASamples <= 1) {
return {};
}
const VkFormat singleSpecFormat = singleSampledInfo.vulkanTextureSpec().fFormat;
const FormatInfo& formatInfo = this->getFormatInfo(singleSpecFormat);
if ((singleSampledInfo.isProtected() == Protected::kYes && !this->protectedSupport()) ||
!formatInfo.isRenderable(VK_IMAGE_TILING_OPTIMAL, fDefaultMSAASamples)) {
return {};
}
VulkanTextureInfo info;
info.fSampleCount = fDefaultMSAASamples;
info.fMipmapped = Mipmapped::kNo;
info.fFlags = (singleSampledInfo.isProtected() == Protected::kYes) ?
VK_IMAGE_CREATE_PROTECTED_BIT : 0;
info.fFormat = singleSpecFormat;
info.fImageTiling = VK_IMAGE_TILING_OPTIMAL;
/**
* Graphite, unlike ganesh, does not require a dedicated MSAA attachment on every surface.
* MSAA textures now get resolved within the scope of a render pass, which can be done simply
* with the color attachment usage flag. So we no longer require transfer src/dst usage flags.
*/
VkImageUsageFlags flags = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
if (discardable == Discardable::kYes && fSupportsMemorylessAttachments) {
flags = flags | VK_IMAGE_USAGE_TRANSIENT_ATTACHMENT_BIT;
}
info.fImageUsageFlags = flags;
info.fSharingMode = VK_SHARING_MODE_EXCLUSIVE;
info.fAspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
return info;
}
TextureInfo VulkanCaps::getDefaultDepthStencilTextureInfo(SkEnumBitMask<DepthStencilFlags> flags,
uint32_t sampleCount,
Protected isProtected) const {
VkFormat format = this->getFormatFromDepthStencilFlags(flags);
const DepthStencilFormatInfo& formatInfo = this->getDepthStencilFormatInfo(format);
if ( (isProtected == Protected::kYes && !this->protectedSupport()) ||
!formatInfo.isDepthStencilSupported(formatInfo.fFormatProperties.optimalTilingFeatures) ||
!formatInfo.fSupportedSampleCounts.isSampleCountSupported(sampleCount)) {
return {};
}
VulkanTextureInfo info;
info.fSampleCount = sampleCount;
info.fMipmapped = Mipmapped::kNo;
info.fFlags = (isProtected == Protected::kYes) ? VK_IMAGE_CREATE_PROTECTED_BIT : 0;
info.fFormat = format;
info.fImageTiling = VK_IMAGE_TILING_OPTIMAL;
// TODO: Passing in a discardable flag to this method, and if true, add the TRANSIENT bit.
info.fImageUsageFlags = VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT;
info.fSharingMode = VK_SHARING_MODE_EXCLUSIVE;
info.fAspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
return info;
}
TextureInfo VulkanCaps::getDefaultStorageTextureInfo(SkColorType colorType) const {
VkFormat format = this->getFormatFromColorType(colorType);
const FormatInfo& formatInfo = this->getFormatInfo(format);
if (!formatInfo.isTexturable(VK_IMAGE_TILING_OPTIMAL) ||
!formatInfo.isStorage(VK_IMAGE_TILING_OPTIMAL)) {
return {};
}
VulkanTextureInfo info;
info.fSampleCount = 1;
info.fMipmapped = Mipmapped::kNo;
info.fFlags = 0;
info.fFormat = format;
info.fImageTiling = VK_IMAGE_TILING_OPTIMAL;
// Storage textures are currently always sampleable from a shader
info.fImageUsageFlags = VK_IMAGE_USAGE_STORAGE_BIT |
VK_IMAGE_USAGE_SAMPLED_BIT |
VK_IMAGE_USAGE_TRANSFER_SRC_BIT;
info.fSharingMode = VK_SHARING_MODE_EXCLUSIVE;
info.fAspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
return info;
}
uint32_t VulkanCaps::channelMask(const TextureInfo& textureInfo) const {
return skgpu::VkFormatChannels(textureInfo.vulkanTextureSpec().fFormat);
}
void VulkanCaps::initFormatTable(const skgpu::VulkanInterface* interface,
VkPhysicalDevice physDev,
const VkPhysicalDeviceProperties& properties) {
static_assert(std::size(kVkFormats) == VulkanCaps::kNumVkFormats,
"Size of VkFormats array must match static value in header");
std::fill_n(fColorTypeToFormatTable, kSkColorTypeCnt, VK_FORMAT_UNDEFINED);
// Go through all the formats and init their support surface and data ColorTypes.
// Format: VK_FORMAT_R8G8B8A8_UNORM
{
constexpr VkFormat format = VK_FORMAT_R8G8B8A8_UNORM;
auto& info = this->getFormatInfo(format);
info.init(interface, physDev, properties, format);
if (info.isTexturable(VK_IMAGE_TILING_OPTIMAL)) {
info.fColorTypeInfoCount = 2;
info.fColorTypeInfos = std::make_unique<ColorTypeInfo[]>(info.fColorTypeInfoCount);
int ctIdx = 0;
// Format: VK_FORMAT_R8G8B8A8_UNORM, Surface: kRGBA_8888
{
constexpr SkColorType ct = SkColorType::kRGBA_8888_SkColorType;
auto& ctInfo = info.fColorTypeInfos[ctIdx++];
ctInfo.fColorType = ct;
ctInfo.fTransferColorType = ct;
ctInfo.fFlags = ColorTypeInfo::kUploadData_Flag | ColorTypeInfo::kRenderable_Flag;
}
// Format: VK_FORMAT_R8G8B8A8_UNORM, Surface: kRGB_888x
{
constexpr SkColorType ct = SkColorType::kRGB_888x_SkColorType;
auto& ctInfo = info.fColorTypeInfos[ctIdx++];
ctInfo.fColorType = ct;
ctInfo.fTransferColorType = ct;
ctInfo.fFlags = ColorTypeInfo::kUploadData_Flag;
ctInfo.fReadSwizzle = skgpu::Swizzle::RGB1();
}
}
}
// Format: VK_FORMAT_R8_UNORM
{
constexpr VkFormat format = VK_FORMAT_R8_UNORM;
auto& info = this->getFormatInfo(format);
info.init(interface, physDev, properties, format);
if (info.isTexturable(VK_IMAGE_TILING_OPTIMAL)) {
info.fColorTypeInfoCount = 3;
info.fColorTypeInfos = std::make_unique<ColorTypeInfo[]>(info.fColorTypeInfoCount);
int ctIdx = 0;
// Format: VK_FORMAT_R8_UNORM, Surface: kR_8
{
constexpr SkColorType ct = SkColorType::kR8_unorm_SkColorType;
auto& ctInfo = info.fColorTypeInfos[ctIdx++];
ctInfo.fColorType = ct;
ctInfo.fTransferColorType = ct;
ctInfo.fFlags = ColorTypeInfo::kUploadData_Flag | ColorTypeInfo::kRenderable_Flag;
}
// Format: VK_FORMAT_R8_UNORM, Surface: kAlpha_8
{
constexpr SkColorType ct = SkColorType::kAlpha_8_SkColorType;
auto& ctInfo = info.fColorTypeInfos[ctIdx++];
ctInfo.fColorType = ct;
ctInfo.fTransferColorType = ct;
ctInfo.fFlags = ColorTypeInfo::kUploadData_Flag | ColorTypeInfo::kRenderable_Flag;
ctInfo.fReadSwizzle = skgpu::Swizzle("000r");
ctInfo.fWriteSwizzle = skgpu::Swizzle("a000");
}
// Format: VK_FORMAT_R8_UNORM, Surface: kGray_8
{
constexpr SkColorType ct = SkColorType::kGray_8_SkColorType;
auto& ctInfo = info.fColorTypeInfos[ctIdx++];
ctInfo.fColorType = ct;
ctInfo.fTransferColorType = ct;
ctInfo.fFlags = ColorTypeInfo::kUploadData_Flag;
ctInfo.fReadSwizzle = skgpu::Swizzle("rrr1");
}
}
}
// Format: VK_FORMAT_B8G8R8A8_UNORM
{
constexpr VkFormat format = VK_FORMAT_B8G8R8A8_UNORM;
auto& info = this->getFormatInfo(format);
info.init(interface, physDev, properties, format);
if (info.isTexturable(VK_IMAGE_TILING_OPTIMAL)) {
info.fColorTypeInfoCount = 1;
info.fColorTypeInfos = std::make_unique<ColorTypeInfo[]>(info.fColorTypeInfoCount);
int ctIdx = 0;
// Format: VK_FORMAT_B8G8R8A8_UNORM, Surface: kBGRA_8888
{
constexpr SkColorType ct = SkColorType::kBGRA_8888_SkColorType;
auto& ctInfo = info.fColorTypeInfos[ctIdx++];
ctInfo.fColorType = ct;
ctInfo.fTransferColorType = ct;
ctInfo.fFlags = ColorTypeInfo::kUploadData_Flag | ColorTypeInfo::kRenderable_Flag;
}
}
}
// Format: VK_FORMAT_R5G6B5_UNORM_PACK16
{
constexpr VkFormat format = VK_FORMAT_R5G6B5_UNORM_PACK16;
auto& info = this->getFormatInfo(format);
info.init(interface, physDev, properties, format);
if (info.isTexturable(VK_IMAGE_TILING_OPTIMAL)) {
info.fColorTypeInfoCount = 1;
info.fColorTypeInfos = std::make_unique<ColorTypeInfo[]>(info.fColorTypeInfoCount);
int ctIdx = 0;
// Format: VK_FORMAT_R5G6B5_UNORM_PACK16, Surface: kRGB_565_SkColorType
{
constexpr SkColorType ct = SkColorType::kRGB_565_SkColorType;
auto& ctInfo = info.fColorTypeInfos[ctIdx++];
ctInfo.fColorType = ct;
ctInfo.fTransferColorType = ct;
ctInfo.fFlags = ColorTypeInfo::kUploadData_Flag | ColorTypeInfo::kRenderable_Flag;
}
}
}
// Format: VK_FORMAT_R16G16B16A16_SFLOAT
{
constexpr VkFormat format = VK_FORMAT_R16G16B16A16_SFLOAT;
auto& info = this->getFormatInfo(format);
info.init(interface, physDev, properties, format);
if (info.isTexturable(VK_IMAGE_TILING_OPTIMAL)) {
info.fColorTypeInfoCount = 2;
info.fColorTypeInfos = std::make_unique<ColorTypeInfo[]>(info.fColorTypeInfoCount);
int ctIdx = 0;
// Format: VK_FORMAT_R16G16B16A16_SFLOAT, Surface: SkColorType::kRGBA_F16_SkColorType
{
constexpr SkColorType ct = SkColorType::kRGBA_F16_SkColorType;
auto& ctInfo = info.fColorTypeInfos[ctIdx++];
ctInfo.fColorType = ct;
ctInfo.fTransferColorType = ct;
ctInfo.fFlags = ColorTypeInfo::kUploadData_Flag | ColorTypeInfo::kRenderable_Flag;
}
}
}
// Format: VK_FORMAT_R16_SFLOAT
{
constexpr VkFormat format = VK_FORMAT_R16_SFLOAT;
auto& info = this->getFormatInfo(format);
info.init(interface, physDev, properties, format);
if (info.isTexturable(VK_IMAGE_TILING_OPTIMAL)) {
info.fColorTypeInfoCount = 1;
info.fColorTypeInfos = std::make_unique<ColorTypeInfo[]>(info.fColorTypeInfoCount);
int ctIdx = 0;
// Format: VK_FORMAT_R16_SFLOAT, Surface: kAlpha_F16
{
constexpr SkColorType ct = SkColorType::kA16_float_SkColorType;
auto& ctInfo = info.fColorTypeInfos[ctIdx++];
ctInfo.fColorType = ct;
ctInfo.fTransferColorType = ct;
ctInfo.fFlags = ColorTypeInfo::kUploadData_Flag | ColorTypeInfo::kRenderable_Flag;
ctInfo.fReadSwizzle = skgpu::Swizzle("000r");
ctInfo.fWriteSwizzle = skgpu::Swizzle("a000");
}
}
}
// Format: VK_FORMAT_R8G8B8_UNORM
{
constexpr VkFormat format = VK_FORMAT_R8G8B8_UNORM;
auto& info = this->getFormatInfo(format);
info.init(interface, physDev, properties, format);
if (info.isTexturable(VK_IMAGE_TILING_OPTIMAL)) {
info.fColorTypeInfoCount = 1;
info.fColorTypeInfos = std::make_unique<ColorTypeInfo[]>(info.fColorTypeInfoCount);
int ctIdx = 0;
// Format: VK_FORMAT_R8G8B8_UNORM, Surface: kRGB_888x
{
constexpr SkColorType ct = SkColorType::kRGB_888x_SkColorType;
auto& ctInfo = info.fColorTypeInfos[ctIdx++];
ctInfo.fColorType = ct;
// This SkColorType is a lie, but we don't have a kRGB_888_SkColorType. The Vulkan
// format is 3 bpp so we must manualy convert to/from this and kRGB_888x when doing
// transfers. We signal this need for manual conversions in the
// supportedRead/WriteColorType calls.
ctInfo.fTransferColorType = SkColorType::kRGB_888x_SkColorType;
ctInfo.fFlags = ColorTypeInfo::kUploadData_Flag | ColorTypeInfo::kRenderable_Flag;
}
}
}
// Format: VK_FORMAT_R8G8_UNORM
{
constexpr VkFormat format = VK_FORMAT_R8G8_UNORM;
auto& info = this->getFormatInfo(format);
info.init(interface, physDev, properties, format);
if (info.isTexturable(VK_IMAGE_TILING_OPTIMAL)) {
info.fColorTypeInfoCount = 1;
info.fColorTypeInfos = std::make_unique<ColorTypeInfo[]>(info.fColorTypeInfoCount);
int ctIdx = 0;
// Format: VK_FORMAT_R8G8_UNORM, Surface: kR8G8_unorm
{
constexpr SkColorType ct = SkColorType::kR8G8_unorm_SkColorType;
auto& ctInfo = info.fColorTypeInfos[ctIdx++];
ctInfo.fColorType = ct;
ctInfo.fTransferColorType = ct;
ctInfo.fFlags = ColorTypeInfo::kUploadData_Flag | ColorTypeInfo::kRenderable_Flag;
}
}
}
// Format: VK_FORMAT_A2B10G10R10_UNORM_PACK32
{
constexpr VkFormat format = VK_FORMAT_A2B10G10R10_UNORM_PACK32;
auto& info = this->getFormatInfo(format);
info.init(interface, physDev, properties, format);
if (info.isTexturable(VK_IMAGE_TILING_OPTIMAL)) {
info.fColorTypeInfoCount = 1;
info.fColorTypeInfos = std::make_unique<ColorTypeInfo[]>(info.fColorTypeInfoCount);
int ctIdx = 0;
// Format: VK_FORMAT_A2B10G10R10_UNORM_PACK32, Surface: kRGBA_1010102
{
constexpr SkColorType ct = SkColorType::kRGBA_1010102_SkColorType;
auto& ctInfo = info.fColorTypeInfos[ctIdx++];
ctInfo.fColorType = ct;
ctInfo.fTransferColorType = ct;
ctInfo.fFlags = ColorTypeInfo::kUploadData_Flag | ColorTypeInfo::kRenderable_Flag;
}
}
}
// Format: VK_FORMAT_A2R10G10B10_UNORM_PACK32
{
constexpr VkFormat format = VK_FORMAT_A2R10G10B10_UNORM_PACK32;
auto& info = this->getFormatInfo(format);
info.init(interface, physDev, properties, format);
if (info.isTexturable(VK_IMAGE_TILING_OPTIMAL)) {
info.fColorTypeInfoCount = 1;
info.fColorTypeInfos = std::make_unique<ColorTypeInfo[]>(info.fColorTypeInfoCount);
int ctIdx = 0;
// Format: VK_FORMAT_A2R10G10B10_UNORM_PACK32, Surface: kBGRA_1010102
{
constexpr SkColorType ct = SkColorType::kBGRA_1010102_SkColorType;
auto& ctInfo = info.fColorTypeInfos[ctIdx++];
ctInfo.fColorType = ct;
ctInfo.fTransferColorType = ct;
ctInfo.fFlags = ColorTypeInfo::kUploadData_Flag | ColorTypeInfo::kRenderable_Flag;
}
}
}
// Format: VK_FORMAT_B4G4R4A4_UNORM_PACK16
{
constexpr VkFormat format = VK_FORMAT_B4G4R4A4_UNORM_PACK16;
auto& info = this->getFormatInfo(format);
info.init(interface, physDev, properties, format);
if (info.isTexturable(VK_IMAGE_TILING_OPTIMAL)) {
info.fColorTypeInfoCount = 1;
info.fColorTypeInfos = std::make_unique<ColorTypeInfo[]>(info.fColorTypeInfoCount);
int ctIdx = 0;
// Format: VK_FORMAT_B4G4R4A4_UNORM_PACK16, Surface: kARGB_4444_SkColorType
{
constexpr SkColorType ct = SkColorType::kARGB_4444_SkColorType;
auto& ctInfo = info.fColorTypeInfos[ctIdx++];
ctInfo.fColorType = ct;
ctInfo.fTransferColorType = ct;
ctInfo.fFlags = ColorTypeInfo::kUploadData_Flag | ColorTypeInfo::kRenderable_Flag;
ctInfo.fReadSwizzle = skgpu::Swizzle::BGRA();
ctInfo.fWriteSwizzle = skgpu::Swizzle::BGRA();
}
}
}
// Format: VK_FORMAT_R4G4B4A4_UNORM_PACK16
{
constexpr VkFormat format = VK_FORMAT_R4G4B4A4_UNORM_PACK16;
auto& info = this->getFormatInfo(format);
info.init(interface, physDev, properties, format);
if (info.isTexturable(VK_IMAGE_TILING_OPTIMAL)) {
info.fColorTypeInfoCount = 1;
info.fColorTypeInfos = std::make_unique<ColorTypeInfo[]>(info.fColorTypeInfoCount);
int ctIdx = 0;
// Format: VK_FORMAT_R4G4B4A4_UNORM_PACK16, Surface: kARGB_4444_SkColorType
{
constexpr SkColorType ct = SkColorType::kARGB_4444_SkColorType;
auto& ctInfo = info.fColorTypeInfos[ctIdx++];
ctInfo.fColorType = ct;
ctInfo.fTransferColorType = ct;
ctInfo.fFlags = ColorTypeInfo::kUploadData_Flag | ColorTypeInfo::kRenderable_Flag;
}
}
}
// Format: VK_FORMAT_R8G8B8A8_SRGB
{
constexpr VkFormat format = VK_FORMAT_R8G8B8A8_SRGB;
auto& info = this->getFormatInfo(format);
info.init(interface, physDev, properties, format);
if (info.isTexturable(VK_IMAGE_TILING_OPTIMAL)) {
info.fColorTypeInfoCount = 1;
info.fColorTypeInfos = std::make_unique<ColorTypeInfo[]>(info.fColorTypeInfoCount);
int ctIdx = 0;
// Format: VK_FORMAT_R8G8B8A8_SRGB, Surface: kRGBA_8888_SRGB
{
constexpr SkColorType ct = SkColorType::kSRGBA_8888_SkColorType;
auto& ctInfo = info.fColorTypeInfos[ctIdx++];
ctInfo.fColorType = ct;
ctInfo.fTransferColorType = ct;
ctInfo.fFlags = ColorTypeInfo::kUploadData_Flag | ColorTypeInfo::kRenderable_Flag;
}
}
}
// Format: VK_FORMAT_R16_UNORM
{
constexpr VkFormat format = VK_FORMAT_R16_UNORM;
auto& info = this->getFormatInfo(format);
info.init(interface, physDev, properties, format);
if (info.isTexturable(VK_IMAGE_TILING_OPTIMAL)) {
info.fColorTypeInfoCount = 1;
info.fColorTypeInfos = std::make_unique<ColorTypeInfo[]>(info.fColorTypeInfoCount);
int ctIdx = 0;
// Format: VK_FORMAT_R16_UNORM, Surface: kAlpha_16
{
constexpr SkColorType ct = SkColorType::kA16_unorm_SkColorType;
auto& ctInfo = info.fColorTypeInfos[ctIdx++];
ctInfo.fColorType = ct;
ctInfo.fTransferColorType = ct;
ctInfo.fFlags = ColorTypeInfo::kUploadData_Flag | ColorTypeInfo::kRenderable_Flag;
ctInfo.fReadSwizzle = skgpu::Swizzle("000r");
ctInfo.fWriteSwizzle = skgpu::Swizzle("a000");
}
}
}
// Format: VK_FORMAT_R16G16_UNORM
{
constexpr VkFormat format = VK_FORMAT_R16G16_UNORM;
auto& info = this->getFormatInfo(format);
info.init(interface, physDev, properties, format);
if (info.isTexturable(VK_IMAGE_TILING_OPTIMAL)) {
info.fColorTypeInfoCount = 1;
info.fColorTypeInfos = std::make_unique<ColorTypeInfo[]>(info.fColorTypeInfoCount);
int ctIdx = 0;
// Format: VK_FORMAT_R16G16_UNORM, Surface: kRG_1616
{
constexpr SkColorType ct = SkColorType::kR16G16_unorm_SkColorType;
auto& ctInfo = info.fColorTypeInfos[ctIdx++];
ctInfo.fColorType = ct;
ctInfo.fTransferColorType = ct;
ctInfo.fFlags = ColorTypeInfo::kUploadData_Flag | ColorTypeInfo::kRenderable_Flag;
}
}
}
// Format: VK_FORMAT_R16G16B16A16_UNORM
{
constexpr VkFormat format = VK_FORMAT_R16G16B16A16_UNORM;
auto& info = this->getFormatInfo(format);
info.init(interface, physDev, properties, format);
if (info.isTexturable(VK_IMAGE_TILING_OPTIMAL)) {
info.fColorTypeInfoCount = 1;
info.fColorTypeInfos = std::make_unique<ColorTypeInfo[]>(info.fColorTypeInfoCount);
int ctIdx = 0;
// Format: VK_FORMAT_R16G16B16A16_UNORM, Surface: kRGBA_16161616
{
constexpr SkColorType ct = SkColorType::kR16G16B16A16_unorm_SkColorType;
auto& ctInfo = info.fColorTypeInfos[ctIdx++];
ctInfo.fColorType = ct;
ctInfo.fTransferColorType = ct;
ctInfo.fFlags = ColorTypeInfo::kUploadData_Flag | ColorTypeInfo::kRenderable_Flag;
}
}
}
// Format: VK_FORMAT_R16G16_SFLOAT
{
constexpr VkFormat format = VK_FORMAT_R16G16_SFLOAT;
auto& info = this->getFormatInfo(format);
info.init(interface, physDev, properties, format);
if (info.isTexturable(VK_IMAGE_TILING_OPTIMAL)) {
info.fColorTypeInfoCount = 1;
info.fColorTypeInfos = std::make_unique<ColorTypeInfo[]>(info.fColorTypeInfoCount);
int ctIdx = 0;
// Format: VK_FORMAT_R16G16_SFLOAT, Surface: kRG_F16
{
constexpr SkColorType ct = SkColorType::kR16G16_float_SkColorType;
auto& ctInfo = info.fColorTypeInfos[ctIdx++];
ctInfo.fColorType = ct;
ctInfo.fTransferColorType = ct;
ctInfo.fFlags = ColorTypeInfo::kUploadData_Flag | ColorTypeInfo::kRenderable_Flag;
}
}
}
// Format: VK_FORMAT_G8_B8_R8_3PLANE_420_UNORM
{
constexpr VkFormat format = VK_FORMAT_G8_B8_R8_3PLANE_420_UNORM;
auto& info = this->getFormatInfo(format);
if (fSupportsYcbcrConversion) {
info.init(interface, physDev, properties, format);
}
if (info.isTexturable(VK_IMAGE_TILING_OPTIMAL)) {
info.fColorTypeInfoCount = 1;
info.fColorTypeInfos = std::make_unique<ColorTypeInfo[]>(info.fColorTypeInfoCount);
int ctIdx = 0;
// Format: VK_FORMAT_G8_B8_R8_3PLANE_420_UNORM, Surface: kRGB_888x
{
constexpr SkColorType ct = SkColorType::kRGB_888x_SkColorType;
auto& ctInfo = info.fColorTypeInfos[ctIdx++];
ctInfo.fColorType = ct;
ctInfo.fTransferColorType = ct;
ctInfo.fFlags = ColorTypeInfo::kUploadData_Flag;
}
SkDEBUGCODE(info.fIsWrappedOnly = true;)
}
}
// Format: VK_FORMAT_G8_B8R8_2PLANE_420_UNORM
{
constexpr VkFormat format = VK_FORMAT_G8_B8R8_2PLANE_420_UNORM;
auto& info = this->getFormatInfo(format);
if (fSupportsYcbcrConversion) {
info.init(interface, physDev, properties, format);
}
if (info.isTexturable(VK_IMAGE_TILING_OPTIMAL)) {
info.fColorTypeInfoCount = 1;
info.fColorTypeInfos = std::make_unique<ColorTypeInfo[]>(info.fColorTypeInfoCount);
int ctIdx = 0;
// Format: VK_FORMAT_G8_B8R8_2PLANE_420_UNORM, Surface: kRGB_888x
{
constexpr SkColorType ct = SkColorType::kRGB_888x_SkColorType;
auto& ctInfo = info.fColorTypeInfos[ctIdx++];
ctInfo.fColorType = ct;
ctInfo.fTransferColorType = ct;
ctInfo.fFlags = ColorTypeInfo::kUploadData_Flag;
}
SkDEBUGCODE(info.fIsWrappedOnly = true;)
}
}
// Format: VK_FORMAT_ETC2_R8G8B8_UNORM_BLOCK
{
constexpr VkFormat format = VK_FORMAT_ETC2_R8G8B8_UNORM_BLOCK;
auto& info = this->getFormatInfo(format);
info.init(interface, physDev, properties, format);
if (info.isTexturable(VK_IMAGE_TILING_OPTIMAL)) {
info.fColorTypeInfoCount = 1;
info.fColorTypeInfos = std::make_unique<ColorTypeInfo[]>(info.fColorTypeInfoCount);
int ctIdx = 0;
// Format: VK_FORMAT_ETC2_R8G8B8_UNORM_BLOCK, Surface: kRGB_888x
{
constexpr SkColorType ct = SkColorType::kRGB_888x_SkColorType;
auto& ctInfo = info.fColorTypeInfos[ctIdx++];
ctInfo.fColorType = ct;
ctInfo.fTransferColorType = ct;
ctInfo.fFlags = ColorTypeInfo::kUploadData_Flag;
}
}
}
// Format: VK_FORMAT_BC1_RGB_UNORM_BLOCK
{
constexpr VkFormat format = VK_FORMAT_BC1_RGB_UNORM_BLOCK;
auto& info = this->getFormatInfo(format);
info.init(interface, physDev, properties, format);
if (info.isTexturable(VK_IMAGE_TILING_OPTIMAL)) {
info.fColorTypeInfoCount = 1;
info.fColorTypeInfos = std::make_unique<ColorTypeInfo[]>(info.fColorTypeInfoCount);
int ctIdx = 0;
// Format: VK_FORMAT_BC1_RGB_UNORM_BLOCK, Surface: kRGB_888x
{
constexpr SkColorType ct = SkColorType::kRGB_888x_SkColorType;
auto& ctInfo = info.fColorTypeInfos[ctIdx++];
ctInfo.fColorType = ct;
ctInfo.fTransferColorType = ct;
ctInfo.fFlags = ColorTypeInfo::kUploadData_Flag;
}
}
}
// Format: VK_FORMAT_BC1_RGBA_UNORM_BLOCK
{
constexpr VkFormat format = VK_FORMAT_BC1_RGBA_UNORM_BLOCK;
auto& info = this->getFormatInfo(format);
info.init(interface, physDev, properties, format);
if (info.isTexturable(VK_IMAGE_TILING_OPTIMAL)) {
info.fColorTypeInfoCount = 1;
info.fColorTypeInfos = std::make_unique<ColorTypeInfo[]>(info.fColorTypeInfoCount);
int ctIdx = 0;
// Format: VK_FORMAT_BC1_RGBA_UNORM_BLOCK, Surface: kRGB_888x
{
constexpr SkColorType ct = SkColorType::kRGBA_8888_SkColorType;
auto& ctInfo = info.fColorTypeInfos[ctIdx++];
ctInfo.fColorType = ct;
ctInfo.fTransferColorType = ct;
ctInfo.fFlags = ColorTypeInfo::kUploadData_Flag;
}
}
}
////////////////////////////////////////////////////////////////////////////
// Map SkColorType (used for creating Surfaces) to VkFormats. The order in which the formats are
// passed into the setColorType function indicates the priority in selecting which format we use
// for a given SkColorType.
typedef SkColorType ct;
this->setColorType(ct::kAlpha_8_SkColorType, { VK_FORMAT_R8_UNORM });
this->setColorType(ct::kRGB_565_SkColorType, { VK_FORMAT_R5G6B5_UNORM_PACK16 });
this->setColorType(ct::kARGB_4444_SkColorType, { VK_FORMAT_R4G4B4A4_UNORM_PACK16,
VK_FORMAT_B4G4R4A4_UNORM_PACK16 });
this->setColorType(ct::kRGBA_8888_SkColorType, { VK_FORMAT_R8G8B8A8_UNORM });
this->setColorType(ct::kSRGBA_8888_SkColorType, { VK_FORMAT_R8G8B8A8_SRGB });
this->setColorType(ct::kRGB_888x_SkColorType, { VK_FORMAT_R8G8B8_UNORM,
VK_FORMAT_R8G8B8A8_UNORM });
this->setColorType(ct::kR8G8_unorm_SkColorType, { VK_FORMAT_R8G8_UNORM });
this->setColorType(ct::kBGRA_8888_SkColorType, { VK_FORMAT_B8G8R8A8_UNORM });
this->setColorType(ct::kRGBA_1010102_SkColorType, { VK_FORMAT_A2B10G10R10_UNORM_PACK32 });
this->setColorType(ct::kBGRA_1010102_SkColorType, { VK_FORMAT_A2R10G10B10_UNORM_PACK32 });
this->setColorType(ct::kGray_8_SkColorType, { VK_FORMAT_R8_UNORM });
this->setColorType(ct::kA16_float_SkColorType, { VK_FORMAT_R16_SFLOAT });
this->setColorType(ct::kRGBA_F16_SkColorType, { VK_FORMAT_R16G16B16A16_SFLOAT });
this->setColorType(ct::kA16_unorm_SkColorType, { VK_FORMAT_R16_UNORM });
this->setColorType(ct::kR16G16_unorm_SkColorType, { VK_FORMAT_R16G16_UNORM });
this->setColorType(ct::kR16G16B16A16_unorm_SkColorType, { VK_FORMAT_R16G16B16A16_UNORM });
this->setColorType(ct::kR16G16_float_SkColorType, { VK_FORMAT_R16G16_SFLOAT });
}
namespace {
void set_ds_flags_to_format(VkFormat& slot, VkFormat format) {
if (slot == VK_FORMAT_UNDEFINED) {
slot = format;
}
}
} // namespace
void VulkanCaps::initDepthStencilFormatTable(const skgpu::VulkanInterface* interface,
VkPhysicalDevice physDev,
const VkPhysicalDeviceProperties& properties) {
static_assert(std::size(kDepthStencilVkFormats) == VulkanCaps::kNumDepthStencilVkFormats,
"Size of DepthStencilVkFormats array must match static value in header");
using DSFlags = SkEnumBitMask<DepthStencilFlags>;
constexpr DSFlags stencilFlags = DepthStencilFlags::kStencil;
constexpr DSFlags depthFlags = DepthStencilFlags::kDepth;
constexpr DSFlags dsFlags = DepthStencilFlags::kDepthStencil;
std::fill_n(fDepthStencilFlagsToFormatTable, kNumDepthStencilFlags, VK_FORMAT_UNDEFINED);
// Format: VK_FORMAT_S8_UINT
{
constexpr VkFormat format = VK_FORMAT_S8_UINT;
auto& info = this->getDepthStencilFormatInfo(format);
info.init(interface, physDev, properties, format);
if (info.fFormatProperties.optimalTilingFeatures &
VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT) {
set_ds_flags_to_format(fDepthStencilFlagsToFormatTable[stencilFlags.value()], format);
}
}
// Format: VK_FORMAT_D16_UNORM
{
constexpr VkFormat format = VK_FORMAT_D16_UNORM;
auto& info = this->getDepthStencilFormatInfo(format);
info.init(interface, physDev, properties, format);
if (info.fFormatProperties.optimalTilingFeatures &
VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT) {
set_ds_flags_to_format(fDepthStencilFlagsToFormatTable[depthFlags.value()], format);
}
}
// Format: VK_FORMAT_D32_SFLOAT
{
constexpr VkFormat format = VK_FORMAT_D32_SFLOAT;
auto& info = this->getDepthStencilFormatInfo(format);
info.init(interface, physDev, properties, format);
if (info.fFormatProperties.optimalTilingFeatures &
VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT) {
set_ds_flags_to_format(fDepthStencilFlagsToFormatTable[depthFlags.value()], format);
}
}
// Format: VK_FORMAT_D24_UNORM_S8_UINT
{
constexpr VkFormat format = VK_FORMAT_D24_UNORM_S8_UINT;
auto& info = this->getDepthStencilFormatInfo(format);
info.init(interface, physDev, properties, format);
if (info.fFormatProperties.optimalTilingFeatures &
VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT) {
set_ds_flags_to_format(fDepthStencilFlagsToFormatTable[stencilFlags.value()], format);
set_ds_flags_to_format(fDepthStencilFlagsToFormatTable[depthFlags.value()], format);
set_ds_flags_to_format(fDepthStencilFlagsToFormatTable[dsFlags.value()], format);
}
}
// Format: VK_FORMAT_D32_SFLOAT_S8_UINT
{
constexpr VkFormat format = VK_FORMAT_D32_SFLOAT_S8_UINT;
auto& info = this->getDepthStencilFormatInfo(format);
info.init(interface, physDev, properties, format);
if (info.fFormatProperties.optimalTilingFeatures &
VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT) {
set_ds_flags_to_format(fDepthStencilFlagsToFormatTable[stencilFlags.value()], format);
set_ds_flags_to_format(fDepthStencilFlagsToFormatTable[depthFlags.value()], format);
set_ds_flags_to_format(fDepthStencilFlagsToFormatTable[dsFlags.value()], format);
}
}
}
void VulkanCaps::SupportedSampleCounts::initSampleCounts(const skgpu::VulkanInterface* interface,
VkPhysicalDevice physDev,
const VkPhysicalDeviceProperties& physProps,
VkFormat format,
VkImageUsageFlags usage) {
VkImageFormatProperties properties;
VkResult result;
// VULKAN_CALL_RESULT requires a VulkanSharedContext for tracking DEVICE_LOST, but VulkanCaps
// are initialized before a VulkanSharedContext is available. The _NOCHECK variant only requires
// a VulkanInterface, so we can use that and log failures manually.
VULKAN_CALL_RESULT_NOCHECK(interface,
result,
GetPhysicalDeviceImageFormatProperties(physDev,
format,
VK_IMAGE_TYPE_2D,
VK_IMAGE_TILING_OPTIMAL,
usage,
0, // createFlags
&properties));
if (result != VK_SUCCESS) {
SKGPU_LOG_W("Vulkan call GetPhysicalDeviceImageFormatProperties failed: %d", result);
return;
}
VkSampleCountFlags flags = properties.sampleCounts;
if (flags & VK_SAMPLE_COUNT_1_BIT) {
fSampleCounts.push_back(1);
}
if (kImagination_VkVendor == physProps.vendorID) {
// MSAA does not work on imagination
return;
}
if (kIntel_VkVendor == physProps.vendorID) {
// MSAA doesn't work well on Intel GPUs chromium:527565, chromium:983926
return;
}
if (flags & VK_SAMPLE_COUNT_2_BIT) {
fSampleCounts.push_back(2);
}
if (flags & VK_SAMPLE_COUNT_4_BIT) {
fSampleCounts.push_back(4);
}
if (flags & VK_SAMPLE_COUNT_8_BIT) {
fSampleCounts.push_back(8);
}
if (flags & VK_SAMPLE_COUNT_16_BIT) {
fSampleCounts.push_back(16);
}
// Standard sample locations are not defined for more than 16 samples, and we don't need more
// than 16. Omit 32 and 64.
}
bool VulkanCaps::SupportedSampleCounts::isSampleCountSupported(int requestedCount) const {
requestedCount = std::max(1, requestedCount);
for (int i = 0; i < fSampleCounts.size(); i++) {
if (fSampleCounts[i] == requestedCount) {
return true;
} else if (requestedCount < fSampleCounts[i]) {
return false;
}
}
return false;
}
namespace {
bool is_texturable(VkFormatFeatureFlags flags) {
return SkToBool(VK_FORMAT_FEATURE_SAMPLED_IMAGE_BIT & flags) &&
SkToBool(VK_FORMAT_FEATURE_SAMPLED_IMAGE_FILTER_LINEAR_BIT & flags);
}
bool is_renderable(VkFormatFeatureFlags flags) {
return SkToBool(VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BLEND_BIT & flags);
}
bool is_storage(VkFormatFeatureFlags flags) {
return SkToBool(VK_FORMAT_FEATURE_STORAGE_IMAGE_BIT & flags);
}
bool is_transfer_src(VkFormatFeatureFlags flags) {
return SkToBool(VK_FORMAT_FEATURE_TRANSFER_SRC_BIT & flags);
}
bool is_transfer_dst(VkFormatFeatureFlags flags) {
return SkToBool(VK_FORMAT_FEATURE_TRANSFER_DST_BIT & flags);
}
}
void VulkanCaps::FormatInfo::init(const skgpu::VulkanInterface* interface,
VkPhysicalDevice physDev,
const VkPhysicalDeviceProperties& properties,
VkFormat format) {
memset(&fFormatProperties, 0, sizeof(VkFormatProperties));
VULKAN_CALL(interface, GetPhysicalDeviceFormatProperties(physDev, format, &fFormatProperties));
if (is_renderable(fFormatProperties.optimalTilingFeatures)) {
// We make all renderable images support being used as input attachment
VkImageUsageFlags usageFlags = VK_IMAGE_USAGE_TRANSFER_SRC_BIT |
VK_IMAGE_USAGE_TRANSFER_DST_BIT |
VK_IMAGE_USAGE_SAMPLED_BIT |
VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT |
VK_IMAGE_USAGE_INPUT_ATTACHMENT_BIT;
this->fSupportedSampleCounts.initSampleCounts(interface, physDev, properties, format,
usageFlags);
}
}
bool VulkanCaps::FormatInfo::isTexturable(VkImageTiling imageTiling) const {
switch (imageTiling) {
case VK_IMAGE_TILING_OPTIMAL:
return is_texturable(fFormatProperties.optimalTilingFeatures);
case VK_IMAGE_TILING_LINEAR:
return is_texturable(fFormatProperties.linearTilingFeatures);
default:
return false;
}
SkUNREACHABLE;
}
bool VulkanCaps::FormatInfo::isRenderable(VkImageTiling imageTiling,
uint32_t sampleCount) const {
if (!fSupportedSampleCounts.isSampleCountSupported(sampleCount)) {
return false;
}
switch (imageTiling) {
case VK_IMAGE_TILING_OPTIMAL:
return is_renderable(fFormatProperties.optimalTilingFeatures);
case VK_IMAGE_TILING_LINEAR:
return is_renderable(fFormatProperties.linearTilingFeatures);
default:
return false;
}
SkUNREACHABLE;
}
bool VulkanCaps::FormatInfo::isStorage(VkImageTiling imageTiling) const {
switch (imageTiling) {
case VK_IMAGE_TILING_OPTIMAL:
return is_storage(fFormatProperties.optimalTilingFeatures);
case VK_IMAGE_TILING_LINEAR:
return is_storage(fFormatProperties.linearTilingFeatures);
default:
return false;
}
SkUNREACHABLE;
}
bool VulkanCaps::FormatInfo::isTransferSrc(VkImageTiling imageTiling) const {
switch (imageTiling) {
case VK_IMAGE_TILING_OPTIMAL:
return is_transfer_src(fFormatProperties.optimalTilingFeatures);
case VK_IMAGE_TILING_LINEAR:
return is_transfer_src(fFormatProperties.linearTilingFeatures);
default:
return false;
}
SkUNREACHABLE;
}
bool VulkanCaps::FormatInfo::isTransferDst(VkImageTiling imageTiling) const {
switch (imageTiling) {
case VK_IMAGE_TILING_OPTIMAL:
return is_transfer_dst(fFormatProperties.optimalTilingFeatures);
case VK_IMAGE_TILING_LINEAR:
return is_transfer_dst(fFormatProperties.linearTilingFeatures);
default:
return false;
}
SkUNREACHABLE;
}
void VulkanCaps::setColorType(SkColorType colorType, std::initializer_list<VkFormat> formats) {
int idx = static_cast<int>(colorType);
for (auto it = formats.begin(); it != formats.end(); ++it) {
const auto& info = this->getFormatInfo(*it);
for (int i = 0; i < info.fColorTypeInfoCount; ++i) {
if (info.fColorTypeInfos[i].fColorType == colorType) {
fColorTypeToFormatTable[idx] = *it;
return;
}
}
}
}
VkFormat VulkanCaps::getFormatFromColorType(SkColorType colorType) const {
int idx = static_cast<int>(colorType);
return fColorTypeToFormatTable[idx];
}
VulkanCaps::FormatInfo& VulkanCaps::getFormatInfo(VkFormat format) {
static_assert(std::size(kVkFormats) == VulkanCaps::kNumVkFormats,
"Size of VkFormats array must match static value in header");
for (size_t i = 0; i < std::size(kVkFormats); ++i) {
if (kVkFormats[i] == format) {
return fFormatTable[i];
}
}
static FormatInfo kInvalidFormat;
return kInvalidFormat;
}
const VulkanCaps::FormatInfo& VulkanCaps::getFormatInfo(VkFormat format) const {
VulkanCaps* nonConstThis = const_cast<VulkanCaps*>(this);
return nonConstThis->getFormatInfo(format);
}
void VulkanCaps::DepthStencilFormatInfo::init(const skgpu::VulkanInterface* interface,
VkPhysicalDevice physDev,
const VkPhysicalDeviceProperties& properties,
VkFormat format) {
memset(&fFormatProperties, 0, sizeof(VkFormatProperties));
VULKAN_CALL(interface, GetPhysicalDeviceFormatProperties(physDev, format, &fFormatProperties));
if (this->isDepthStencilSupported(fFormatProperties.optimalTilingFeatures)) {
VkImageUsageFlags usageFlags = VK_IMAGE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT;
fSupportedSampleCounts.initSampleCounts(interface, physDev, properties, format, usageFlags);
}
}
bool VulkanCaps::DepthStencilFormatInfo::isDepthStencilSupported(VkFormatFeatureFlags flags) const {
return SkToBool(VK_FORMAT_FEATURE_DEPTH_STENCIL_ATTACHMENT_BIT & flags);
}
VkFormat VulkanCaps::getFormatFromDepthStencilFlags(const SkEnumBitMask<DepthStencilFlags>& flags)
const {
return fDepthStencilFlagsToFormatTable[flags.value()];
}
VulkanCaps::DepthStencilFormatInfo& VulkanCaps::getDepthStencilFormatInfo(VkFormat format) {
static_assert(std::size(kDepthStencilVkFormats) == VulkanCaps::kNumDepthStencilVkFormats,
"Size of VkFormats array must match static value in header");
for (size_t i = 0; i < std::size(kDepthStencilVkFormats); ++i) {
if (kVkFormats[i] == format) {
return fDepthStencilFormatTable[i];
}
}
static DepthStencilFormatInfo kInvalidFormat;
return kInvalidFormat;
}
const VulkanCaps::DepthStencilFormatInfo& VulkanCaps::getDepthStencilFormatInfo(VkFormat format)
const {
VulkanCaps* nonConstThis = const_cast<VulkanCaps*>(this);
return nonConstThis->getDepthStencilFormatInfo(format);
}
const Caps::ColorTypeInfo* VulkanCaps::getColorTypeInfo(SkColorType ct,
const TextureInfo& textureInfo) const {
VkFormat vkFormat = textureInfo.vulkanTextureSpec().fFormat;
if (vkFormat == VK_FORMAT_UNDEFINED) {
return nullptr;
}
const FormatInfo& info = this->getFormatInfo(vkFormat);
for (int i = 0; i < info.fColorTypeInfoCount; ++i) {
const ColorTypeInfo& ctInfo = info.fColorTypeInfos[i];
if (ctInfo.fColorType == ct) {
return &ctInfo;
}
}
return nullptr;
}
bool VulkanCaps::onIsTexturable(const TextureInfo& texInfo) const {
VulkanTextureInfo vkInfo;
if (!texInfo.getVulkanTextureInfo(&vkInfo)) {
return false;
}
// TODO:
// Once we support external formats with associated YCbCr conversion info, check for that
// and return true here because we can always texture from an external format.
const FormatInfo& info = this->getFormatInfo(vkInfo.fFormat);
return info.isTexturable(vkInfo.fImageTiling);
}
bool VulkanCaps::isRenderable(const TextureInfo& texInfo) const {
VulkanTextureInfo vkInfo;
if (!texInfo.getVulkanTextureInfo(&vkInfo)) {
return false;
}
const FormatInfo& info = this->getFormatInfo(vkInfo.fFormat);
return info.isRenderable(vkInfo.fImageTiling, texInfo.numSamples());
}
bool VulkanCaps::isStorage(const TextureInfo& texInfo) const {
VulkanTextureInfo vkInfo;
if (!texInfo.getVulkanTextureInfo(&vkInfo)) {
return false;
}
const FormatInfo& info = this->getFormatInfo(vkInfo.fFormat);
return info.isStorage(vkInfo.fImageTiling);
}
bool VulkanCaps::isTransferSrc(const VulkanTextureInfo& vkInfo) const {
const FormatInfo& info = this->getFormatInfo(vkInfo.fFormat);
return info.isTransferSrc(vkInfo.fImageTiling);
}
bool VulkanCaps::isTransferDst(const VulkanTextureInfo& vkInfo) const {
const FormatInfo& info = this->getFormatInfo(vkInfo.fFormat);
return info.isTransferDst(vkInfo.fImageTiling);
}
bool VulkanCaps::supportsWritePixels(const TextureInfo& texInfo) const {
VulkanTextureInfo vkInfo;
if (!texInfo.getVulkanTextureInfo(&vkInfo)) {
return false;
}
// Can't write if it needs a YCbCr sampler
if (VkFormatNeedsYcbcrSampler(vkInfo.fFormat)) {
return false;
}
if (vkInfo.fSampleCount > 1) {
return false;
}
if (!SkToBool(vkInfo.fImageUsageFlags & VK_IMAGE_USAGE_TRANSFER_DST_BIT)) {
return false;
}
return true;
}
bool VulkanCaps::supportsReadPixels(const TextureInfo& texInfo) const {
if (texInfo.isProtected() == Protected::kYes) {
return false;
}
VulkanTextureInfo vkInfo;
if (!texInfo.getVulkanTextureInfo(&vkInfo)) {
return false;
}
// Can't read if it needs a YCbCr sampler
if (VkFormatNeedsYcbcrSampler(vkInfo.fFormat)) {
return false;
}
if (VkFormatIsCompressed(vkInfo.fFormat)) {
return false;
}
if (vkInfo.fSampleCount > 1) {
return false;
}
if (!SkToBool(vkInfo.fImageUsageFlags & VK_IMAGE_USAGE_TRANSFER_SRC_BIT)) {
return false;
}
return true;
}
std::pair<SkColorType, bool /*isRGBFormat*/> VulkanCaps::supportedWritePixelsColorType(
SkColorType dstColorType,
const TextureInfo& dstTextureInfo,
SkColorType srcColorType) const {
VulkanTextureInfo vkInfo;
if (!dstTextureInfo.getVulkanTextureInfo(&vkInfo)) {
return {kUnknown_SkColorType, false};
}
// Can't write to YCbCr formats
// TODO: Can't write to external formats, either
if (VkFormatNeedsYcbcrSampler(vkInfo.fFormat)) {
return {kUnknown_SkColorType, false};
}
const FormatInfo& info = this->getFormatInfo(vkInfo.fFormat);
for (int i = 0; i < info.fColorTypeInfoCount; ++i) {
const auto& ctInfo = info.fColorTypeInfos[i];
if (ctInfo.fColorType == dstColorType) {
return {ctInfo.fTransferColorType, vkInfo.fFormat == VK_FORMAT_R8G8B8_UNORM};
}
}
return {kUnknown_SkColorType, false};
}
std::pair<SkColorType, bool /*isRGBFormat*/> VulkanCaps::supportedReadPixelsColorType(
SkColorType srcColorType,
const TextureInfo& srcTextureInfo,
SkColorType dstColorType) const {
VulkanTextureInfo vkInfo;
if (!srcTextureInfo.getVulkanTextureInfo(&vkInfo)) {
return {kUnknown_SkColorType, false};
}
// Can't read from YCbCr formats
// TODO: external formats?
if (VkFormatNeedsYcbcrSampler(vkInfo.fFormat)) {
return {kUnknown_SkColorType, false};
}
// TODO: handle compressed formats
if (VkFormatIsCompressed(vkInfo.fFormat)) {
SkASSERT(this->isTexturable(vkInfo));
return {kUnknown_SkColorType, false};
}
const FormatInfo& info = this->getFormatInfo(vkInfo.fFormat);
for (int i = 0; i < info.fColorTypeInfoCount; ++i) {
const auto& ctInfo = info.fColorTypeInfos[i];
if (ctInfo.fColorType == srcColorType) {
return {ctInfo.fTransferColorType, vkInfo.fFormat == VK_FORMAT_R8G8B8_UNORM};
}
}
return {kUnknown_SkColorType, false};
}
UniqueKey VulkanCaps::makeGraphicsPipelineKey(const GraphicsPipelineDesc& pipelineDesc,
const RenderPassDesc& renderPassDesc) const {
UniqueKey pipelineKey;
{
static const skgpu::UniqueKey::Domain kGraphicsPipelineDomain =
UniqueKey::GenerateDomain();
VulkanRenderPass::VulkanRenderPassMetaData rpMetaData {renderPassDesc};
// Reserve 3 uint32s for the render step id, paint id, and write swizzle.
static constexpr int kUint32sNeededForPipelineInfo = 3;
// The uint32s needed for a RenderPass is variable number, so consult rpMetaData to
// determine how many to reserve.
UniqueKey::Builder builder(&pipelineKey,
kGraphicsPipelineDomain,
kUint32sNeededForPipelineInfo + rpMetaData.fUint32DataCnt,
"GraphicsPipeline");
int idx = 0;
// Add GraphicsPipelineDesc information
builder[idx++] = pipelineDesc.renderStepID();
builder[idx++] = pipelineDesc.paintParamsID().asUInt();
// Add RenderPass info relevant for pipeline creation that's not captured in RenderPass keys
builder[idx++] = renderPassDesc.fWriteSwizzle.asKey();
// Add RenderPassDesc information
VulkanRenderPass::AddRenderPassInfoToKey(rpMetaData, builder, idx, /*compatibleOnly=*/true);
builder.finish();
}
return pipelineKey;
}
GraphiteResourceKey VulkanCaps::makeSamplerKey(const SamplerDesc& samplerDesc) const {
GraphiteResourceKey samplerKey;
// Non-zero conversion information means the sampler utilizes a ycbcr conversion.
uint32_t nonFormatYcbcrInfo =
(uint32_t)(samplerDesc.desc() >> SamplerDesc::kImmutableSamplerInfoShift);
bool usesYcbcrConversion = nonFormatYcbcrInfo != 0;
int uint32Quantity = 1;
bool usesExternalFormat = false;
if (usesYcbcrConversion) {
// If using a YCbCr conversion, check nonFormatYcbcrInfo to see if we are using an external
// format and update uint32Quantity accordingly.
usesExternalFormat = static_cast<bool>(
((nonFormatYcbcrInfo & ycbcrPackaging::kUseExternalFormatMask) >>
ycbcrPackaging::kUsesExternalFormatShift));
// Reassign uint32Quantity. This is an assignment instead of an additive operation because
// non-format ycbcr information and sampler information cam be fit into just one int32.
uint32Quantity = usesExternalFormat ? ycbcrPackaging::kInt32sNeededExternalFormat
: ycbcrPackaging::kInt32sNeededKnownFormat;
}
static const ResourceType kSamplerType = GraphiteResourceKey::GenerateResourceType();
GraphiteResourceKey::Builder builder(&samplerKey, kSamplerType, uint32Quantity,
Shareable::kYes);
int i = 0;
builder[i++] = samplerDesc.desc();
if (usesYcbcrConversion) {
if (usesExternalFormat) {
builder[i++] = samplerDesc.externalFormatMSBs();
}
builder[i++] = samplerDesc.format();
}
SkASSERT(i == uint32Quantity);
builder.finish();
return samplerKey;
}
void VulkanCaps::buildKeyForTexture(SkISize dimensions,
const TextureInfo& info,
ResourceType type,
Shareable shareable,
GraphiteResourceKey* key) const {
SkASSERT(!dimensions.isEmpty());
const VulkanTextureSpec& vkSpec = info.vulkanTextureSpec();
// We expect that the VkFormat enum is at most a 32-bit value.
static_assert(VK_FORMAT_MAX_ENUM == 0x7FFFFFFF);
// We should either be using a known VkFormat or have a valid ycbcr conversion.
SkASSERT(vkSpec.fFormat != VK_FORMAT_UNDEFINED || vkSpec.fYcbcrConversionInfo.isValid());
uint32_t format = static_cast<uint32_t>(vkSpec.fFormat);
uint32_t samples = SamplesToKey(info.numSamples());
// We don't have to key the number of mip levels because it is inherit in the combination of
// isMipped and dimensions.
bool isMipped = info.mipmapped() == Mipmapped::kYes;
Protected isProtected = info.isProtected();
// Confirm all the below parts of the key can fit in a single uint32_t. The sum of the shift
// amounts in the asserts must be less than or equal to 32. vkSpec.fFlags will go into its
// own 32-bit block.
SkASSERT(samples < (1u << 3)); // sample key is first 3 bits
SkASSERT(static_cast<uint32_t>(isMipped) < (1u << 1)); // isMapped is 4th bit
SkASSERT(static_cast<uint32_t>(isProtected) < (1u << 1)); // isProtected is 5th bit
SkASSERT(vkSpec.fImageTiling < (1u << 1)); // imageTiling is 6th bit
SkASSERT(vkSpec.fSharingMode < (1u << 1)); // sharingMode is 7th bit
SkASSERT(vkSpec.fAspectMask < (1u << 11)); // aspectMask is bits 8 - 19
SkASSERT(vkSpec.fImageUsageFlags < (1u << 12)); // imageUsageFlags are bits 20-32
// We need two uint32_ts for dimensions, 1 for format, and 2 for the rest of the information.
static constexpr int kNum32DataCntNoYcbcr = 2 + 1 + 2;
int num32DataCnt = kNum32DataCntNoYcbcr;
// If a texture w/ an external format is being used, that information must also be appended.
const VulkanYcbcrConversionInfo& ycbcrInfo = info.vulkanTextureSpec().fYcbcrConversionInfo;
num32DataCnt += ycbcrPackaging::numInt32sNeeded(ycbcrInfo);
GraphiteResourceKey::Builder builder(key, type, num32DataCnt, shareable);
int i = 0;
builder[i++] = dimensions.width();
builder[i++] = dimensions.height();
if (ycbcrInfo.isValid()) {
SkASSERT(ycbcrInfo.fFormat != VK_FORMAT_UNDEFINED || ycbcrInfo.fExternalFormat != 0);
bool useExternalFormat = ycbcrInfo.fFormat == VK_FORMAT_UNDEFINED;
builder[i++] = ycbcrPackaging::nonFormatInfoAsUInt32(ycbcrInfo);
if (useExternalFormat) {
builder[i++] = (uint32_t)ycbcrInfo.fExternalFormat;
builder[i++] = (uint32_t)(ycbcrInfo.fExternalFormat >> 32);
} else {
builder[i++] = ycbcrInfo.fFormat;
}
} else {
builder[i++] = format;
}
builder[i++] = (static_cast<uint32_t>(vkSpec.fFlags));
builder[i++] = (samples << 0 ) |
(static_cast<uint32_t>(isMipped) << 3 ) |
(static_cast<uint32_t>(isProtected) << 4 ) |
(static_cast<uint32_t>(vkSpec.fImageTiling) << 5 ) |
(static_cast<uint32_t>(vkSpec.fSharingMode) << 6 ) |
(static_cast<uint32_t>(vkSpec.fAspectMask) << 7 ) |
(static_cast<uint32_t>(vkSpec.fImageUsageFlags) << 19);
SkASSERT(i == num32DataCnt);
}
ImmutableSamplerInfo VulkanCaps::getImmutableSamplerInfo(sk_sp<TextureProxy> proxy) const {
if (proxy) {
const skgpu::VulkanYcbcrConversionInfo& ycbcrConversionInfo =
proxy->textureInfo().vulkanTextureSpec().fYcbcrConversionInfo;
if (ycbcrConversionInfo.isValid()) {
ImmutableSamplerInfo immutableSamplerInfo;
// ycbcrConversionInfo's fFormat being VK_FORMAT_UNDEFINED indicates we are using an
// external format rather than a known VkFormat.
immutableSamplerInfo.fFormat = ycbcrConversionInfo.fFormat == VK_FORMAT_UNDEFINED
? ycbcrConversionInfo.fExternalFormat
: ycbcrConversionInfo.fFormat;
immutableSamplerInfo.fNonFormatYcbcrConversionInfo =
ycbcrPackaging::nonFormatInfoAsUInt32(ycbcrConversionInfo);
return immutableSamplerInfo;
}
}
// If the proxy is null or the YCbCr conversion for that proxy is invalid, then return a
// default ImmutableSamplerInfo struct.
return {};
}
} // namespace skgpu::graphite