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// Copyright 2018 The Amber 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 SRC_VULKAN_ENGINE_VULKAN_H_
#define SRC_VULKAN_ENGINE_VULKAN_H_
#include <memory>
#include <unordered_map>
#include <vector>
#include "src/cast_hash.h"
#include "src/engine.h"
#include "src/vulkan/command.h"
#include "src/vulkan/device.h"
#include "src/vulkan/pipeline.h"
#include "vulkan/vulkan.h"
namespace amber {
namespace vulkan {
class EngineVulkan : public Engine {
public:
EngineVulkan();
~EngineVulkan() override;
// Engine
Result Initialize() override;
Result InitializeWithDevice(void* default_device) override;
Result Shutdown() override;
Result AddRequirement(Feature feature, const Format*, uint32_t) override;
Result CreatePipeline(PipelineType type) override;
Result SetShader(ShaderType type, const std::vector<uint32_t>& data) override;
Result SetBuffer(BufferType type,
uint8_t location,
const Format& format,
const std::vector<Value>& data) override;
Result DoClearColor(const ClearColorCommand* cmd) override;
Result DoClearStencil(const ClearStencilCommand* cmd) override;
Result DoClearDepth(const ClearDepthCommand* cmd) override;
Result DoClear(const ClearCommand* cmd) override;
Result DoDrawRect(const DrawRectCommand* cmd) override;
Result DoDrawArrays(const DrawArraysCommand* cmd) override;
Result DoCompute(const ComputeCommand* cmd) override;
Result DoEntryPoint(const EntryPointCommand* cmd) override;
Result DoPatchParameterVertices(
const PatchParameterVerticesCommand* cmd) override;
Result DoBuffer(const BufferCommand* cmd) override;
Result DoProcessCommands(uint32_t* stride,
uint32_t* width,
uint32_t* height,
const void** buf) override;
private:
Result InitDeviceAndCreateCommand();
std::vector<VkPipelineShaderStageCreateInfo> GetShaderStageInfo();
uint32_t fence_timeout_ms_ = 100;
std::unique_ptr<Device> device_;
std::unique_ptr<CommandPool> pool_;
std::unique_ptr<Pipeline> pipeline_;
std::unordered_map<ShaderType, VkShaderModule, CastHash<ShaderType>> modules_;
struct Requirement {
Feature feature;
const Format* format;
};
std::vector<Requirement> requirements_;
std::vector<Requirement>::iterator FindFeature(Feature feature);
};
} // namespace vulkan
} // namespace amber
#endif // SRC_VULKAN_ENGINE_VULKAN_H_
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