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Code Issues Releases Wiki Activity

vk_device: Add miscellaneous features and minor style changes

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* Increase minimum Vulkan requirements
* Require VK_EXT_vertex_attribute_divisor
* Require depthClamp, samplerAnisotropy and largePoints features
* Search and expose VK_KHR_uniform_buffer_standard_layout
* Search and expose VK_EXT_index_type_uint8
* Search and expose native float16 arithmetics
* Track current driver with VK_KHR_driver_properties
* Query and expose SSBO alignment
* Query more image formats
* Improve logging overall
* Minor style changes
* Minor rephrasing of commentaries
This commit is contained in:
ReinUsesLisp
2019-09-13 01:55:28 -03:00
parent 78d078e183
commit 01d96e1136
3 changed files with 258 additions and 111 deletions
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301
src/video_core/renderer_vulkan/vk_device.cpp
View File

@@ -2,9 +2,10 @@
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <map>
#include <bitset>
#include <optional>
#include <set>
#include <string_view>
#include <vector>
#include "common/assert.h"
#include "video_core/renderer_vulkan/declarations.h"
@@ -12,13 +13,32 @@
namespace Vulkan {
namespace {
template <typename T>
void SetNext(void**& next, T& data) {
*next = &data;
next = &data.pNext;
}
template <typename T>
T GetFeatures(vk::PhysicalDevice physical, vk::DispatchLoaderDynamic dldi) {
vk::PhysicalDeviceFeatures2 features;
T extension_features;
features.pNext = &extension_features;
physical.getFeatures2(&features, dldi);
return extension_features;
}
} // Anonymous namespace
namespace Alternatives {
constexpr std::array<vk::Format, 3> Depth24UnormS8Uint = {
vk::Format::eD32SfloatS8Uint, vk::Format::eD16UnormS8Uint, {}};
constexpr std::array<vk::Format, 3> Depth16UnormS8Uint = {
vk::Format::eD24UnormS8Uint, vk::Format::eD32SfloatS8Uint, {}};
constexpr std::array<vk::Format, 2> Astc = {vk::Format::eA8B8G8R8UnormPack32, {}};
constexpr std::array Depth24UnormS8Uint = {vk::Format::eD32SfloatS8Uint,
vk::Format::eD16UnormS8Uint, vk::Format{}};
constexpr std::array Depth16UnormS8Uint = {vk::Format::eD24UnormS8Uint,
vk::Format::eD32SfloatS8Uint, vk::Format{}};
constexpr std::array Astc = {vk::Format::eA8B8G8R8UnormPack32, vk::Format{}};
} // namespace Alternatives
@@ -58,16 +78,53 @@ VKDevice::VKDevice(const vk::DispatchLoaderDynamic& dldi, vk::PhysicalDevice phy
VKDevice::~VKDevice() = default;
bool VKDevice::Create(const vk::DispatchLoaderDynamic& dldi, vk::Instance instance) {
vk::PhysicalDeviceFeatures device_features;
device_features.vertexPipelineStoresAndAtomics = true;
device_features.independentBlend = true;
device_features.textureCompressionASTC_LDR = is_optimal_astc_supported;
const auto queue_cis = GetDeviceQueueCreateInfos();
const std::vector<const char*> extensions = LoadExtensions(dldi);
const vk::DeviceCreateInfo device_ci({}, static_cast<u32>(queue_cis.size()), queue_cis.data(),
0, nullptr, static_cast<u32>(extensions.size()),
extensions.data(), &device_features);
const std::vector extensions = LoadExtensions(dldi);
vk::PhysicalDeviceFeatures2 features2;
void** next = &features2.pNext;
auto& features = features2.features;
features.vertexPipelineStoresAndAtomics = true;
features.independentBlend = true;
features.depthClamp = true;
features.samplerAnisotropy = true;
features.largePoints = true;
features.textureCompressionASTC_LDR = is_optimal_astc_supported;
vk::PhysicalDeviceVertexAttributeDivisorFeaturesEXT vertex_divisor;
vertex_divisor.vertexAttributeInstanceRateDivisor = true;
vertex_divisor.vertexAttributeInstanceRateZeroDivisor = true;
SetNext(next, vertex_divisor);
vk::PhysicalDeviceFloat16Int8FeaturesKHR float16_int8;
if (is_float16_supported) {
float16_int8.shaderFloat16 = true;
SetNext(next, float16_int8);
} else {
LOG_INFO(Render_Vulkan, "Device doesn't support float16 natively");
}
vk::PhysicalDeviceUniformBufferStandardLayoutFeaturesKHR std430_layout;
if (khr_uniform_buffer_standard_layout) {
std430_layout.uniformBufferStandardLayout = true;
SetNext(next, std430_layout);
} else {
LOG_INFO(Render_Vulkan, "Device doesn't support packed UBOs");
}
vk::PhysicalDeviceIndexTypeUint8FeaturesEXT index_type_uint8;
if (ext_index_type_uint8) {
index_type_uint8.indexTypeUint8 = true;
SetNext(next, index_type_uint8);
} else {
LOG_INFO(Render_Vulkan, "Device doesn't support uint8 indexes");
}
vk::DeviceCreateInfo device_ci({}, static_cast<u32>(queue_cis.size()), queue_cis.data(), 0,
nullptr, static_cast<u32>(extensions.size()), extensions.data(),
nullptr);
device_ci.pNext = &features2;
vk::Device dummy_logical;
if (physical.createDevice(&device_ci, nullptr, &dummy_logical, dldi) != vk::Result::eSuccess) {
LOG_CRITICAL(Render_Vulkan, "Logical device failed to be created!");
@@ -78,6 +135,17 @@ bool VKDevice::Create(const vk::DispatchLoaderDynamic& dldi, vk::Instance instan
logical = UniqueDevice(
dummy_logical, vk::ObjectDestroy<vk::NoParent, vk::DispatchLoaderDynamic>(nullptr, dld));
if (khr_driver_properties) {
vk::PhysicalDeviceDriverPropertiesKHR driver;
vk::PhysicalDeviceProperties2 properties;
properties.pNext = &driver;
physical.getProperties2(&properties, dld);
driver_id = driver.driverID;
LOG_INFO(Render_Vulkan, "Driver: {} {}", driver.driverName, driver.driverInfo);
} else {
LOG_INFO(Render_Vulkan, "Driver: Unknown");
}
graphics_queue = logical->getQueue(graphics_family, 0, dld);
present_queue = logical->getQueue(present_family, 0, dld);
return true;
@@ -92,20 +160,19 @@ vk::Format VKDevice::GetSupportedFormat(vk::Format wanted_format,
// The wanted format is not supported by hardware, search for alternatives
const vk::Format* alternatives = GetFormatAlternatives(wanted_format);
if (alternatives == nullptr) {
LOG_CRITICAL(Render_Vulkan,
"Format={} with usage={} and type={} has no defined alternatives and host "
"hardware does not support it",
vk::to_string(wanted_format), vk::to_string(wanted_usage),
static_cast<u32>(format_type));
UNREACHABLE();
UNREACHABLE_MSG("Format={} with usage={} and type={} has no defined alternatives and host "
"hardware does not support it",
vk::to_string(wanted_format), vk::to_string(wanted_usage),
static_cast<u32>(format_type));
return wanted_format;
}
std::size_t i = 0;
for (vk::Format alternative = alternatives[0]; alternative != vk::Format{};
alternative = alternatives[++i]) {
if (!IsFormatSupported(alternative, wanted_usage, format_type))
if (!IsFormatSupported(alternative, wanted_usage, format_type)) {
continue;
}
LOG_WARNING(Render_Vulkan,
"Emulating format={} with alternative format={} with usage={} and type={}",
static_cast<u32>(wanted_format), static_cast<u32>(alternative),
@@ -114,12 +181,10 @@ vk::Format VKDevice::GetSupportedFormat(vk::Format wanted_format,
}
// No alternatives found, panic
LOG_CRITICAL(Render_Vulkan,
"Format={} with usage={} and type={} is not supported by the host hardware and "
"doesn't support any of the alternatives",
static_cast<u32>(wanted_format), static_cast<u32>(wanted_usage),
static_cast<u32>(format_type));
UNREACHABLE();
UNREACHABLE_MSG("Format={} with usage={} and type={} is not supported by the host hardware and "
"doesn't support any of the alternatives",
static_cast<u32>(wanted_format), static_cast<u32>(wanted_usage),
static_cast<u32>(format_type));
return wanted_format;
}
@@ -132,7 +197,7 @@ bool VKDevice::IsOptimalAstcSupported(const vk::PhysicalDeviceFeatures& features
vk::FormatFeatureFlagBits::eSampledImage | vk::FormatFeatureFlagBits::eBlitSrc |
vk::FormatFeatureFlagBits::eBlitDst | vk::FormatFeatureFlagBits::eTransferSrc |
vk::FormatFeatureFlagBits::eTransferDst};
constexpr std::array<vk::Format, 9> astc_formats = {
constexpr std::array astc_formats = {
vk::Format::eAstc4x4UnormBlock, vk::Format::eAstc4x4SrgbBlock,
vk::Format::eAstc8x8SrgbBlock, vk::Format::eAstc8x6SrgbBlock,
vk::Format::eAstc5x4SrgbBlock, vk::Format::eAstc5x5UnormBlock,
@@ -151,76 +216,120 @@ bool VKDevice::IsFormatSupported(vk::Format wanted_format, vk::FormatFeatureFlag
FormatType format_type) const {
const auto it = format_properties.find(wanted_format);
if (it == format_properties.end()) {
LOG_CRITICAL(Render_Vulkan, "Unimplemented format query={}", vk::to_string(wanted_format));
UNREACHABLE();
UNIMPLEMENTED_MSG("Unimplemented format query={}", vk::to_string(wanted_format));
return true;
}
const vk::FormatFeatureFlags supported_usage = GetFormatFeatures(it->second, format_type);
const auto supported_usage = GetFormatFeatures(it->second, format_type);
return (supported_usage & wanted_usage) == wanted_usage;
}
bool VKDevice::IsSuitable(const vk::DispatchLoaderDynamic& dldi, vk::PhysicalDevice physical,
vk::SurfaceKHR surface) {
bool has_swapchain{};
LOG_INFO(Render_Vulkan, "{}", physical.getProperties(dldi).deviceName);
bool is_suitable = true;
constexpr std::array required_extensions = {VK_KHR_SWAPCHAIN_EXTENSION_NAME,
VK_EXT_VERTEX_ATTRIBUTE_DIVISOR_EXTENSION_NAME};
std::bitset<required_extensions.size()> available_extensions{};
for (const auto& prop : physical.enumerateDeviceExtensionProperties(nullptr, dldi)) {
has_swapchain |= prop.extensionName == std::string(VK_KHR_SWAPCHAIN_EXTENSION_NAME);
for (std::size_t i = 0; i < required_extensions.size(); ++i) {
if (available_extensions[i]) {
continue;
}
available_extensions[i] =
required_extensions[i] == std::string_view{prop.extensionName};
}
}
if (!has_swapchain) {
// The device doesn't support creating swapchains.
return false;
if (!available_extensions.all()) {
for (std::size_t i = 0; i < required_extensions.size(); ++i) {
if (available_extensions[i]) {
continue;
}
LOG_INFO(Render_Vulkan, "Missing required extension: {}", required_extensions[i]);
is_suitable = false;
}
}
bool has_graphics{}, has_present{};
const auto queue_family_properties = physical.getQueueFamilyProperties(dldi);
for (u32 i = 0; i < static_cast<u32>(queue_family_properties.size()); ++i) {
const auto& family = queue_family_properties[i];
if (family.queueCount == 0)
if (family.queueCount == 0) {
continue;
}
has_graphics |=
(family.queueFlags & vk::QueueFlagBits::eGraphics) != static_cast<vk::QueueFlagBits>(0);
has_present |= physical.getSurfaceSupportKHR(i, surface, dldi) != 0;
}
if (!has_graphics || !has_present) {
// The device doesn't have a graphics and present queue.
return false;
LOG_INFO(Render_Vulkan, "Device lacks a graphics and present queue");
is_suitable = false;
}
// TODO(Rodrigo): Check if the device matches all requeriments.
const auto properties{physical.getProperties(dldi)};
const auto limits{properties.limits};
if (limits.maxUniformBufferRange < 65536) {
return false;
const auto& limits{properties.limits};
constexpr u32 required_ubo_size = 65536;
if (limits.maxUniformBufferRange < required_ubo_size) {
LOG_INFO(Render_Vulkan, "Device UBO size {} is too small, {} is required)",
limits.maxUniformBufferRange, required_ubo_size);
is_suitable = false;
}
const vk::PhysicalDeviceFeatures features{physical.getFeatures(dldi)};
if (!features.vertexPipelineStoresAndAtomics || !features.independentBlend) {
return false;
const auto features{physical.getFeatures(dldi)};
const std::array feature_report = {
std::make_pair(features.vertexPipelineStoresAndAtomics, "vertexPipelineStoresAndAtomics"),
std::make_pair(features.independentBlend, "independentBlend"),
std::make_pair(features.depthClamp, "depthClamp"),
std::make_pair(features.samplerAnisotropy, "samplerAnisotropy"),
std::make_pair(features.largePoints, "largePoints"),
};
for (const auto& [supported, name] : feature_report) {
if (supported) {
continue;
}
LOG_INFO(Render_Vulkan, "Missing required feature: {}", name);
is_suitable = false;
}
// Device is suitable.
return true;
return is_suitable;
}
std::vector<const char*> VKDevice::LoadExtensions(const vk::DispatchLoaderDynamic& dldi) {
std::vector<const char*> extensions;
extensions.reserve(2);
extensions.reserve(7);
extensions.push_back(VK_KHR_SWAPCHAIN_EXTENSION_NAME);
extensions.push_back(VK_EXT_VERTEX_ATTRIBUTE_DIVISOR_EXTENSION_NAME);
const auto Test = [&](const vk::ExtensionProperties& extension,
std::optional<std::reference_wrapper<bool>> status, const char* name,
u32 revision) {
if (extension.extensionName != std::string(name)) {
bool push) {
if (extension.extensionName != std::string_view(name)) {
return;
}
extensions.push_back(name);
if (push) {
extensions.push_back(name);
}
if (status) {
status->get() = true;
}
};
bool khr_shader_float16_int8{};
for (const auto& extension : physical.enumerateDeviceExtensionProperties(nullptr, dldi)) {
Test(extension, ext_scalar_block_layout, VK_EXT_SCALAR_BLOCK_LAYOUT_EXTENSION_NAME, 1);
Test(extension, khr_uniform_buffer_standard_layout,
VK_KHR_UNIFORM_BUFFER_STANDARD_LAYOUT_EXTENSION_NAME, true);
Test(extension, ext_index_type_uint8, VK_EXT_INDEX_TYPE_UINT8_EXTENSION_NAME, true);
Test(extension, khr_driver_properties, VK_KHR_DRIVER_PROPERTIES_EXTENSION_NAME, true);
Test(extension, khr_shader_float16_int8, VK_KHR_SHADER_FLOAT16_INT8_EXTENSION_NAME, false);
}
if (khr_shader_float16_int8) {
is_float16_supported =
GetFeatures<vk::PhysicalDeviceFloat16Int8FeaturesKHR>(physical, dldi).shaderFloat16;
extensions.push_back(VK_KHR_SHADER_FLOAT16_INT8_EXTENSION_NAME);
}
return extensions;
@@ -250,9 +359,10 @@ void VKDevice::SetupFamilies(const vk::DispatchLoaderDynamic& dldi, vk::SurfaceK
}
void VKDevice::SetupProperties(const vk::DispatchLoaderDynamic& dldi) {
const vk::PhysicalDeviceProperties props = physical.getProperties(dldi);
const auto props = physical.getProperties(dldi);
device_type = props.deviceType;
uniform_buffer_alignment = static_cast<u64>(props.limits.minUniformBufferOffsetAlignment);
storage_buffer_alignment = static_cast<u64>(props.limits.minStorageBufferOffsetAlignment);
max_storage_buffer_range = static_cast<u64>(props.limits.maxStorageBufferRange);
}
@@ -273,42 +383,53 @@ std::vector<vk::DeviceQueueCreateInfo> VKDevice::GetDeviceQueueCreateInfos() con
return queue_cis;
}
std::map<vk::Format, vk::FormatProperties> VKDevice::GetFormatProperties(
std::unordered_map<vk::Format, vk::FormatProperties> VKDevice::GetFormatProperties(
const vk::DispatchLoaderDynamic& dldi, vk::PhysicalDevice physical) {
static constexpr std::array formats{vk::Format::eA8B8G8R8UnormPack32,
vk::Format::eB5G6R5UnormPack16,
vk::Format::eA2B10G10R10UnormPack32,
vk::Format::eR32G32B32A32Sfloat,
vk::Format::eR16G16Unorm,
vk::Format::eR16G16Snorm,
vk::Format::eR8G8B8A8Srgb,
vk::Format::eR8Unorm,
vk::Format::eB10G11R11UfloatPack32,
vk::Format::eR32Sfloat,
vk::Format::eR16Sfloat,
vk::Format::eR16G16B16A16Sfloat,
vk::Format::eD32Sfloat,
vk::Format::eD16Unorm,
vk::Format::eD16UnormS8Uint,
vk::Format::eD24UnormS8Uint,
vk::Format::eD32SfloatS8Uint,
vk::Format::eBc1RgbaUnormBlock,
vk::Format::eBc2UnormBlock,
vk::Format::eBc3UnormBlock,
vk::Format::eBc4UnormBlock,
vk::Format::eBc5UnormBlock,
vk::Format::eBc5SnormBlock,
vk::Format::eBc7UnormBlock,
vk::Format::eAstc4x4UnormBlock,
vk::Format::eAstc4x4SrgbBlock,
vk::Format::eAstc8x8SrgbBlock,
vk::Format::eAstc8x6SrgbBlock,
vk::Format::eAstc5x4SrgbBlock,
vk::Format::eAstc5x5UnormBlock,
vk::Format::eAstc5x5SrgbBlock,
vk::Format::eAstc10x8UnormBlock,
vk::Format::eAstc10x8SrgbBlock};
std::map<vk::Format, vk::FormatProperties> format_properties;
constexpr std::array formats{vk::Format::eA8B8G8R8UnormPack32,
vk::Format::eA8B8G8R8SnormPack32,
vk::Format::eA8B8G8R8SrgbPack32,
vk::Format::eB5G6R5UnormPack16,
vk::Format::eA2B10G10R10UnormPack32,
vk::Format::eR32G32B32A32Sfloat,
vk::Format::eR16G16B16A16Uint,
vk::Format::eR16G16Unorm,
vk::Format::eR16G16Snorm,
vk::Format::eR16G16Sfloat,
vk::Format::eR16Unorm,
vk::Format::eR8G8B8A8Srgb,
vk::Format::eR8G8Unorm,
vk::Format::eR8G8Snorm,
vk::Format::eR8Unorm,
vk::Format::eB10G11R11UfloatPack32,
vk::Format::eR32Sfloat,
vk::Format::eR16Sfloat,
vk::Format::eR16G16B16A16Sfloat,
vk::Format::eB8G8R8A8Unorm,
vk::Format::eD32Sfloat,
vk::Format::eD16Unorm,
vk::Format::eD16UnormS8Uint,
vk::Format::eD24UnormS8Uint,
vk::Format::eD32SfloatS8Uint,
vk::Format::eBc1RgbaUnormBlock,
vk::Format::eBc2UnormBlock,
vk::Format::eBc3UnormBlock,
vk::Format::eBc4UnormBlock,
vk::Format::eBc5UnormBlock,
vk::Format::eBc5SnormBlock,
vk::Format::eBc7UnormBlock,
vk::Format::eBc1RgbaSrgbBlock,
vk::Format::eBc3SrgbBlock,
vk::Format::eBc7SrgbBlock,
vk::Format::eAstc4x4UnormBlock,
vk::Format::eAstc4x4SrgbBlock,
vk::Format::eAstc8x8SrgbBlock,
vk::Format::eAstc8x6SrgbBlock,
vk::Format::eAstc5x4SrgbBlock,
vk::Format::eAstc5x5UnormBlock,
vk::Format::eAstc5x5SrgbBlock,
vk::Format::eAstc10x8UnormBlock,
vk::Format::eAstc10x8SrgbBlock};
std::unordered_map<vk::Format, vk::FormatProperties> format_properties;
for (const auto format : formats) {
format_properties.emplace(format, physical.getFormatProperties(format, dldi));
}

62
src/video_core/renderer_vulkan/vk_device.h
View File

@@ -4,7 +4,7 @@
#pragma once
#include <map>
#include <unordered_map>
#include <vector>
#include "common/common_types.h"
#include "video_core/renderer_vulkan/declarations.h"
@@ -69,16 +69,26 @@ public:
return present_family;
}
/// Returns if the device is integrated with the host CPU.
/// Returns true if the device is integrated with the host CPU.
bool IsIntegrated() const {
return device_type == vk::PhysicalDeviceType::eIntegratedGpu;
}
/// Returns the driver ID.
vk::DriverIdKHR GetDriverID() const {
return driver_id;
}
/// Returns uniform buffer alignment requeriment.
u64 GetUniformBufferAlignment() const {
return uniform_buffer_alignment;
}
/// Returns storage alignment requeriment.
u64 GetStorageBufferAlignment() const {
return storage_buffer_alignment;
}
/// Returns the maximum range for storage buffers.
u64 GetMaxStorageBufferRange() const {
return max_storage_buffer_range;
@@ -89,9 +99,19 @@ public:
return is_optimal_astc_supported;
}
/// Returns true if the device supports float16 natively
bool IsFloat16Supported() const {
return is_float16_supported;
}
/// Returns true if the device supports VK_EXT_scalar_block_layout.
bool IsExtScalarBlockLayoutSupported() const {
return ext_scalar_block_layout;
bool IsKhrUniformBufferStandardLayoutSupported() const {
return khr_uniform_buffer_standard_layout;
}
/// Returns true if the device supports VK_EXT_index_type_uint8.
bool IsExtIndexTypeUint8Supported() const {
return ext_index_type_uint8;
}
/// Checks if the physical device is suitable.
@@ -123,22 +143,28 @@ private:
FormatType format_type) const;
/// Returns the device properties for Vulkan formats.
static std::map<vk::Format, vk::FormatProperties> GetFormatProperties(
static std::unordered_map<vk::Format, vk::FormatProperties> GetFormatProperties(
const vk::DispatchLoaderDynamic& dldi, vk::PhysicalDevice physical);
const vk::PhysicalDevice physical; ///< Physical device.
vk::DispatchLoaderDynamic dld; ///< Device function pointers.
UniqueDevice logical; ///< Logical device.
vk::Queue graphics_queue; ///< Main graphics queue.
vk::Queue present_queue; ///< Main present queue.
u32 graphics_family{}; ///< Main graphics queue family index.
u32 present_family{}; ///< Main present queue family index.
vk::PhysicalDeviceType device_type; ///< Physical device type.
u64 uniform_buffer_alignment{}; ///< Uniform buffer alignment requeriment.
u64 max_storage_buffer_range{}; ///< Max storage buffer size.
bool is_optimal_astc_supported{}; ///< Support for native ASTC.
bool ext_scalar_block_layout{}; ///< Support for VK_EXT_scalar_block_layout.
std::map<vk::Format, vk::FormatProperties> format_properties; ///< Format properties dictionary.
const vk::PhysicalDevice physical; ///< Physical device.
vk::DispatchLoaderDynamic dld; ///< Device function pointers.
UniqueDevice logical; ///< Logical device.
vk::Queue graphics_queue; ///< Main graphics queue.
vk::Queue present_queue; ///< Main present queue.
u32 graphics_family{}; ///< Main graphics queue family index.
u32 present_family{}; ///< Main present queue family index.
vk::PhysicalDeviceType device_type; ///< Physical device type.
vk::DriverIdKHR driver_id{}; ///< Driver ID.
u64 uniform_buffer_alignment{}; ///< Uniform buffer alignment requeriment.
u64 storage_buffer_alignment{}; ///< Storage buffer alignment requeriment.
u64 max_storage_buffer_range{}; ///< Max storage buffer size.
bool is_optimal_astc_supported{}; ///< Support for native ASTC.
bool is_float16_supported{}; ///< Support for float16 arithmetics.
bool khr_uniform_buffer_standard_layout{}; ///< Support for std430 on UBOs.
bool ext_index_type_uint8{}; ///< Support for VK_EXT_index_type_uint8.
bool khr_driver_properties{}; ///< Support for VK_KHR_driver_properties.
std::unordered_map<vk::Format, vk::FormatProperties>
format_properties; ///< Format properties dictionary.
};
} // namespace Vulkan

6
src/video_core/renderer_vulkan/vk_shader_decompiler.cpp
View File

@@ -370,8 +370,8 @@ private:
u32 binding = const_buffers_base_binding;
for (const auto& entry : ir.GetConstantBuffers()) {
const auto [index, size] = entry;
const Id type =
device.IsExtScalarBlockLayoutSupported() ? t_cbuf_scalar_ubo : t_cbuf_std140_ubo;
const Id type = device.IsKhrUniformBufferStandardLayoutSupported() ? t_cbuf_scalar_ubo
: t_cbuf_std140_ubo;
const Id id = OpVariable(type, spv::StorageClass::Uniform);
AddGlobalVariable(Name(id, fmt::format("cbuf_{}", index)));
@@ -565,7 +565,7 @@ private:
const Id buffer_id = constant_buffers.at(cbuf->GetIndex());
Id pointer{};
if (device.IsExtScalarBlockLayoutSupported()) {
if (device.IsKhrUniformBufferStandardLayoutSupported()) {
const Id buffer_offset = Emit(OpShiftRightLogical(
t_uint, BitcastTo<Type::Uint>(Visit(offset)), Constant(t_uint, 2u)));
pointer = Emit(