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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_AMBERSCRIPT_PIPELINE_H_
#define SRC_AMBERSCRIPT_PIPELINE_H_
#include <string>
#include <vector>
#include "amber/result.h"
#include "src/shader.h"
namespace amber {
namespace amberscript {
enum class PipelineType { kCompute = 0, kGraphics };
class Pipeline {
public:
class ShaderInfo {
public:
explicit ShaderInfo(const Shader*);
ShaderInfo(const ShaderInfo&);
~ShaderInfo();
void SetShaderOptimizations(const std::vector<std::string>& opts) {
shader_optimizations_ = opts;
}
const std::vector<std::string>& GetShaderOptimizations() const {
return shader_optimizations_;
}
const Shader* GetShader() const { return shader_; }
void SetEntryPoint(const std::string& ep) { entry_point_ = ep; }
std::string GetEntryPoint() const { return entry_point_; }
private:
const Shader* shader_ = nullptr;
std::vector<std::string> shader_optimizations_;
std::string entry_point_;
};
explicit Pipeline(PipelineType type);
~Pipeline();
PipelineType GetType() const { return pipeline_type_; }
void SetName(const std::string& name) { name_ = name; }
const std::string& GetName() const { return name_; }
Result AddShader(const Shader*);
const std::vector<ShaderInfo>& GetShaders() const { return shaders_; }
Result SetShaderEntryPoint(const Shader* shader, const std::string& name);
Result SetShaderOptimizations(const Shader* shader,
const std::vector<std::string>& opts);
// Validates that the pipeline has been created correctly.
Result Validate() const;
private:
Result ValidateGraphics() const;
Result ValidateCompute() const;
PipelineType pipeline_type_ = PipelineType::kCompute;
std::string name_;
std::vector<ShaderInfo> shaders_;
};
} // namespace amberscript
} // namespace amber
#endif // SRC_AMBERSCRIPT_PIPELINE_H_
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