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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.
#ifndef DAWNNATIVE_VULKAN_SHADERMODULEVK_H_
#define DAWNNATIVE_VULKAN_SHADERMODULEVK_H_
#include "dawn_native/ShaderModule.h"
#include "common/vulkan_platform.h"
#include "dawn_native/Error.h"
#include <mutex>
namespace dawn_native { namespace vulkan {
class Device;
class PipelineLayout;
class ShaderModule final : public ShaderModuleBase {
public:
static ResultOrError<Ref<ShaderModule>> Create(Device* device,
const ShaderModuleDescriptor* descriptor,
ShaderModuleParseResult* parseResult);
ResultOrError<VkShaderModule> GetTransformedModuleHandle(const char* entryPointName,
PipelineLayout* layout);
private:
ShaderModule(Device* device, const ShaderModuleDescriptor* descriptor);
~ShaderModule() override;
MaybeError Initialize(ShaderModuleParseResult* parseResult);
void DestroyImpl() override;
// New handles created by GetTransformedModuleHandle at pipeline creation time
class ConcurrentTransformedShaderModuleCache {
public:
explicit ConcurrentTransformedShaderModuleCache(Device* device);
~ConcurrentTransformedShaderModuleCache();
VkShaderModule FindShaderModule(const PipelineLayoutEntryPointPair& key);
VkShaderModule AddOrGetCachedShaderModule(const PipelineLayoutEntryPointPair& key,
VkShaderModule value);
private:
Device* mDevice;
std::mutex mMutex;
std::unordered_map<PipelineLayoutEntryPointPair,
VkShaderModule,
PipelineLayoutEntryPointPairHashFunc>
mTransformedShaderModuleCache;
};
std::unique_ptr<ConcurrentTransformedShaderModuleCache> mTransformedShaderModuleCache;
};
}} // namespace dawn_native::vulkan
#endif // DAWNNATIVE_VULKAN_SHADERMODULEVK_H_