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63 lines
1.9 KiB
C++
63 lines
1.9 KiB
C++
// Copyright 2017 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include <memory>
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#include <boost/serialization/export.hpp>
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#include "video_core/shader/shader.h"
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namespace Pica {
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struct State;
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class GeometryPipelineBackend;
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class GeometryPipeline_Point;
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class GeometryPipeline_VariablePrimitive;
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class GeometryPipeline_FixedPrimitive;
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/// A pipeline receiving from vertex shader and sending to geometry shader and primitive assembler
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class GeometryPipeline {
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public:
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explicit GeometryPipeline(State& state);
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~GeometryPipeline();
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/// Sets the handler for receiving vertex outputs from vertex shader
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void SetVertexHandler(Shader::VertexHandler vertex_handler);
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/**
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* Setup the geometry shader unit if it is in use
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* @param shader_engine the shader engine for the geometry shader to run
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*/
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void Setup(Shader::ShaderEngine* shader_engine);
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/// Reconfigures the pipeline according to current register settings
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void Reconfigure();
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/// Checks if the pipeline needs a direct input from index buffer
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bool NeedIndexInput() const;
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/// Submits an index from index buffer. Call this only when NeedIndexInput returns true
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void SubmitIndex(unsigned int val);
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/// Submits vertex attributes output from vertex shader
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void SubmitVertex(const Shader::AttributeBuffer& input);
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private:
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Shader::VertexHandler vertex_handler;
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Shader::ShaderEngine* shader_engine;
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std::unique_ptr<GeometryPipelineBackend> backend;
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State& state;
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template <class Archive>
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void serialize(Archive& ar, const unsigned int version);
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friend class boost::serialization::access;
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};
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} // namespace Pica
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BOOST_CLASS_EXPORT_KEY(Pica::GeometryPipeline_Point)
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BOOST_CLASS_EXPORT_KEY(Pica::GeometryPipeline_VariablePrimitive)
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BOOST_CLASS_EXPORT_KEY(Pica::GeometryPipeline_FixedPrimitive)
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