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// Copyright 2018 The Dawn Authors
//
// 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 "dawn_native/vulkan/ComputePipelineVk.h"
#include "dawn_native/CreatePipelineAsyncTask.h"
#include "dawn_native/vulkan/DeviceVk.h"
#include "dawn_native/vulkan/FencedDeleter.h"
#include "dawn_native/vulkan/PipelineLayoutVk.h"
#include "dawn_native/vulkan/ShaderModuleVk.h"
#include "dawn_native/vulkan/UtilsVulkan.h"
#include "dawn_native/vulkan/VulkanError.h"
namespace dawn_native { namespace vulkan {
// static
ResultOrError<Ref<ComputePipeline>> ComputePipeline::Create(
Device* device,
const ComputePipelineDescriptor* descriptor) {
Ref<ComputePipeline> pipeline = AcquireRef(new ComputePipeline(device, descriptor));
DAWN_TRY(pipeline->Initialize(descriptor));
return pipeline;
}
MaybeError ComputePipeline::Initialize(const ComputePipelineDescriptor* descriptor) {
VkComputePipelineCreateInfo createInfo;
createInfo.sType = VK_STRUCTURE_TYPE_COMPUTE_PIPELINE_CREATE_INFO;
createInfo.pNext = nullptr;
createInfo.flags = 0;
createInfo.layout = ToBackend(descriptor->layout)->GetHandle();
createInfo.basePipelineHandle = ::VK_NULL_HANDLE;
createInfo.basePipelineIndex = -1;
createInfo.stage.sType = VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
createInfo.stage.pNext = nullptr;
createInfo.stage.flags = 0;
createInfo.stage.stage = VK_SHADER_STAGE_COMPUTE_BIT;
// Generate a new VkShaderModule with BindingRemapper tint transform for each pipeline
DAWN_TRY_ASSIGN(createInfo.stage.module,
ToBackend(descriptor->compute.module)
->GetTransformedModuleHandle(descriptor->compute.entryPoint,
ToBackend(GetLayout())));
createInfo.stage.pName = descriptor->compute.entryPoint;
createInfo.stage.pSpecializationInfo = nullptr;
Device* device = ToBackend(GetDevice());
PNextChainBuilder stageExtChain(&createInfo.stage);
VkPipelineShaderStageRequiredSubgroupSizeCreateInfoEXT subgroupSizeInfo = {};
uint32_t computeSubgroupSize = device->GetComputeSubgroupSize();
if (computeSubgroupSize != 0u) {
ASSERT(device->GetDeviceInfo().HasExt(DeviceExt::SubgroupSizeControl));
subgroupSizeInfo.requiredSubgroupSize = computeSubgroupSize;
stageExtChain.Add(
&subgroupSizeInfo,
VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_REQUIRED_SUBGROUP_SIZE_CREATE_INFO_EXT);
}
DAWN_TRY(CheckVkSuccess(
device->fn.CreateComputePipelines(device->GetVkDevice(), ::VK_NULL_HANDLE, 1,
&createInfo, nullptr, &*mHandle),
"CreateComputePipeline"));
SetLabelImpl();
return {};
}
void ComputePipeline::SetLabelImpl() {
SetDebugName(ToBackend(GetDevice()), VK_OBJECT_TYPE_PIPELINE,
reinterpret_cast<uint64_t&>(mHandle), "Dawn_ComputePipeline", GetLabel());
}
ComputePipeline::~ComputePipeline() {
if (mHandle != VK_NULL_HANDLE) {
ToBackend(GetDevice())->GetFencedDeleter()->DeleteWhenUnused(mHandle);
mHandle = VK_NULL_HANDLE;
}
}
VkPipeline ComputePipeline::GetHandle() const {
return mHandle;
}
void ComputePipeline::CreateAsync(Device* device,
std::unique_ptr<FlatComputePipelineDescriptor> descriptor,
size_t blueprintHash,
WGPUCreateComputePipelineAsyncCallback callback,
void* userdata) {
Ref<ComputePipeline> pipeline = AcquireRef(new ComputePipeline(device, descriptor.get()));
std::unique_ptr<CreateComputePipelineAsyncTask> asyncTask =
std::make_unique<CreateComputePipelineAsyncTask>(pipeline, std::move(descriptor),
blueprintHash, callback, userdata);
CreateComputePipelineAsyncTask::RunAsync(std::move(asyncTask));
}
}} // namespace dawn_native::vulkan