forked from dolphin-emu/dolphin
		
	
		
			
				
	
	
		
			86 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			86 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
// Copyright 2015 Dolphin Emulator Project
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// Licensed under GPLv2+
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// Refer to the license.txt file included.
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#pragma once
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#include <map>
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#include <memory>
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#include "VideoCommon/GeometryShaderGen.h"
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#include "VideoCommon/PixelShaderGen.h"
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#include "VideoCommon/VertexShaderGen.h"
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#include "VideoCommon/VideoCommon.h"
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namespace Null
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{
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template <typename Uid>
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class ShaderCache
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{
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public:
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  ShaderCache();
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  virtual ~ShaderCache();
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  void Clear();
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  bool SetShader(u32 primitive_type);
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protected:
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  virtual Uid GetUid(u32 primitive_type, APIType api_type) = 0;
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  virtual ShaderCode GenerateCode(APIType api_type, Uid uid) = 0;
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private:
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  std::map<Uid, std::string> m_shaders;
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  const std::string* m_last_entry = nullptr;
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  Uid m_last_uid;
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};
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class VertexShaderCache : public ShaderCache<VertexShaderUid>
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{
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public:
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  static std::unique_ptr<VertexShaderCache> s_instance;
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protected:
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  VertexShaderUid GetUid(u32 primitive_type, APIType api_type) override
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  {
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    return GetVertexShaderUid();
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  }
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  ShaderCode GenerateCode(APIType api_type, VertexShaderUid uid) override
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  {
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    return GenerateVertexShaderCode(api_type, uid.GetUidData());
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  }
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};
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class GeometryShaderCache : public ShaderCache<GeometryShaderUid>
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{
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public:
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  static std::unique_ptr<GeometryShaderCache> s_instance;
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protected:
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  GeometryShaderUid GetUid(u32 primitive_type, APIType api_type) override
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  {
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    return GetGeometryShaderUid(primitive_type);
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  }
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  ShaderCode GenerateCode(APIType api_type, GeometryShaderUid uid) override
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  {
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    return GenerateGeometryShaderCode(api_type, uid.GetUidData());
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  }
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};
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class PixelShaderCache : public ShaderCache<PixelShaderUid>
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{
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public:
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  static std::unique_ptr<PixelShaderCache> s_instance;
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protected:
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  PixelShaderUid GetUid(u32 primitive_type, APIType api_type) override
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  {
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    return GetPixelShaderUid();
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  }
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  ShaderCode GenerateCode(APIType api_type, PixelShaderUid uid) override
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  {
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    return GeneratePixelShaderCode(api_type, uid.GetUidData());
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  }
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};
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}  // namespace NULL
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