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Set VkQueue's global priority to high

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We want Skyline to have the most favorable GPU scheduling possible due to low latency and high throughput requirements, we request high priority scheduling due to this reason.
This commit is contained in:
PixelyIon 2022-04-24 13:34:09 +05:30
parent f9c052d1b7
commit 5adafbff04
3 changed files with 26 additions and 16 deletions
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36
app/src/main/cpp/skyline/gpu.cpp
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@ -182,21 +182,29 @@ namespace skyline::gpu {
auto queueFamilies{physicalDevice.getQueueFamilyProperties()};
float queuePriority{1.0f}; //!< The priority of the only queue we use, it's set to the maximum of 1.0
vk::DeviceQueueCreateInfo queue{[&] {
decltype(vk::DeviceQueueCreateInfo::queueFamilyIndex) index{};
for (const auto &queueFamily : queueFamilies) {
if (queueFamily.queueFlags & vk::QueueFlagBits::eGraphics && queueFamily.queueFlags & vk::QueueFlagBits::eCompute) {
vkQueueFamilyIndex = index;
return vk::DeviceQueueCreateInfo{
.queueFamilyIndex = index,
.queueCount = 1,
.pQueuePriorities = &queuePriority,
};
vk::StructureChain<vk::DeviceQueueCreateInfo, vk::DeviceQueueGlobalPriorityCreateInfoEXT> queueCreateInfo{
[&]() -> vk::DeviceQueueCreateInfo {
decltype(vk::DeviceQueueCreateInfo::queueFamilyIndex) index{};
for (const auto &queueFamily : queueFamilies) {
if (queueFamily.queueFlags & vk::QueueFlagBits::eGraphics && queueFamily.queueFlags & vk::QueueFlagBits::eCompute) {
vkQueueFamilyIndex = index;
return vk::DeviceQueueCreateInfo{
.queueFamilyIndex = index,
.queueCount = 1,
.pQueuePriorities = &queuePriority,
};
}
index++;
}
index++;
throw exception("Cannot find a queue family with both eGraphics and eCompute bits set");
}(),
vk::DeviceQueueGlobalPriorityCreateInfoEXT{
.globalPriority = vk::QueueGlobalPriorityEXT::eHigh,
}
throw exception("Cannot find a queue family with both eGraphics and eCompute bits set");
}()};
};
if (!traits.supportsGlobalPriority)
queueCreateInfo.unlink<vk::DeviceQueueGlobalPriorityCreateInfoEXT>();
if (Logger::configLevel >= Logger::LogLevel::Info) {
std::string extensionString;
@ -220,7 +228,7 @@ namespace skyline::gpu {
return vk::raii::Device(physicalDevice, vk::DeviceCreateInfo{
.pNext = &enabledFeatures2,
.queueCreateInfoCount = 1,
.pQueueCreateInfos = &queue,
.pQueueCreateInfos = &queueCreateInfo.get<vk::DeviceQueueCreateInfo>(),
.enabledExtensionCount = static_cast<uint32_t>(pEnabledExtensions.size()),
.ppEnabledExtensionNames = pEnabledExtensions.data(),
});

5
app/src/main/cpp/skyline/gpu/trait_manager.cpp
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@ -35,6 +35,7 @@ namespace skyline::gpu {
EXT_SET("VK_EXT_custom_border_color", hasCustomBorderColorExt);
EXT_SET("VK_EXT_provoking_vertex", hasProvokingVertexExt);
EXT_SET("VK_EXT_vertex_attribute_divisor", hasVertexAttributeDivisorExt);
EXT_SET("VK_EXT_global_priority", supportsGlobalPriority);
EXT_SET("VK_EXT_shader_viewport_index_layer", supportsShaderViewportIndexLayer);
EXT_SET("VK_KHR_spirv_1_4", supportsSpirv14);
EXT_SET("VK_EXT_shader_demote_to_helper_invocation", hasShaderDemoteToHelperExt);
@ -130,8 +131,8 @@ namespace skyline::gpu {
std::string TraitManager::Summary() {
return fmt::format(
"\n* Supports U8 Indices: {}\n* Supports Sampler Mirror Clamp To Edge: {}\n* Supports Sampler Reduction Mode: {}\n* Supports Custom Border Color (Without Format): {}\n* Supports Last Provoking Vertex: {}\n* Supports Logical Operations: {}\n* Supports Vertex Attribute Divisor: {}\n* Supports Vertex Attribute Zero Divisor: {}\n* Supports Multiple Viewports: {}\n* Supports Shader Viewport Index: {}\n* Supports SPIR-V 1.4: {}\n* Supports Shader Invocation Demotion: {}\n* Supports 16-bit FP: {}\n* Supports 8-bit Integers: {}\n* Supports 16-bit Integers: {}\n* Supports 64-bit Integers: {}\n* Supports Atomic 64-bit Integers: {}\n* Supports Floating Point Behavior Control: {}\n* Supports Image Read Without Format: {}\n* Supports List Primitive Topology Restart: {}\n* Supports Patch List Primitive Topology Restart: {}\n* Supports Subgroup Vote: {}\n* Subgroup Size: {}",
supportsUint8Indices, supportsSamplerMirrorClampToEdge, supportsSamplerReductionMode, supportsCustomBorderColor, supportsLastProvokingVertex, supportsLogicOp, supportsVertexAttributeDivisor, supportsVertexAttributeZeroDivisor, supportsMultipleViewports, supportsShaderViewportIndexLayer, supportsSpirv14, supportsShaderDemoteToHelper, supportsFloat16, supportsInt8, supportsInt16, supportsInt64, supportsAtomicInt64, supportsFloatControls, supportsImageReadWithoutFormat, supportsTopologyListRestart, supportsTopologyPatchListRestart, supportsSubgroupVote, subgroupSize
"\n* Supports U8 Indices: {}\n* Supports Sampler Mirror Clamp To Edge: {}\n* Supports Sampler Reduction Mode: {}\n* Supports Custom Border Color (Without Format): {}\n* Supports Last Provoking Vertex: {}\n* Supports Logical Operations: {}\n* Supports Vertex Attribute Divisor: {}\n* Supports Vertex Attribute Zero Divisor: {}\n* Supports Global Priority: {}\n* Supports Multiple Viewports: {}\n* Supports Shader Viewport Index: {}\n* Supports SPIR-V 1.4: {}\n* Supports Shader Invocation Demotion: {}\n* Supports 16-bit FP: {}\n* Supports 8-bit Integers: {}\n* Supports 16-bit Integers: {}\n* Supports 64-bit Integers: {}\n* Supports Atomic 64-bit Integers: {}\n* Supports Floating Point Behavior Control: {}\n* Supports Image Read Without Format: {}\n* Supports List Primitive Topology Restart: {}\n* Supports Patch List Primitive Topology Restart: {}\n* Supports Subgroup Vote: {}\n* Subgroup Size: {}",
supportsUint8Indices, supportsSamplerMirrorClampToEdge, supportsSamplerReductionMode, supportsCustomBorderColor, supportsLastProvokingVertex, supportsLogicOp, supportsVertexAttributeDivisor, supportsVertexAttributeZeroDivisor, supportsGlobalPriority, supportsMultipleViewports, supportsShaderViewportIndexLayer, supportsSpirv14, supportsShaderDemoteToHelper, supportsFloat16, supportsInt8, supportsInt16, supportsInt64, supportsAtomicInt64, supportsFloatControls, supportsImageReadWithoutFormat, supportsTopologyListRestart, supportsTopologyPatchListRestart, supportsSubgroupVote, subgroupSize
);
}

1
app/src/main/cpp/skyline/gpu/trait_manager.h
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@ -20,6 +20,7 @@ namespace skyline::gpu {
bool supportsLogicOp{}; //!< If the device supports framebuffer logical operations during blending
bool supportsVertexAttributeDivisor{}; //!< If the device supports a divisor for instance-rate vertex attributes (with VK_EXT_vertex_attribute_divisor)
bool supportsVertexAttributeZeroDivisor{}; //!< If the device supports a zero divisor for instance-rate vertex attributes (with VK_EXT_vertex_attribute_divisor)
bool supportsGlobalPriority{}; //!< If the device supports global priorities for queues (with VK_EXT_global_priority)
bool supportsMultipleViewports{}; //!< If the device supports more than one viewport
bool supportsShaderViewportIndexLayer{}; //!< If the device supports retrieving the viewport index in shaders (with VK_EXT_shader_viewport_index_layer)
bool supportsSpirv14{}; //!< If SPIR-V 1.4 is supported (with VK_KHR_spirv_1_4)