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https://github.com/dolphin-emu/dolphin.git
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24e5d21780
Note: It's not 100% perfect, as some of the GPU capablities leak into the pixel shader UID. Currently our UIDs don't get exported, so there is no issue. But someone might want to fix this in the future.
94 lines
2.6 KiB
C++
94 lines
2.6 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(DSTALPHA_MODE dst_alpha_mode, u32 primitive_type);
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protected:
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virtual Uid GetUid(DSTALPHA_MODE dst_alpha_mode, u32 primitive_type, API_TYPE api_type) = 0;
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virtual ShaderCode GenerateCode(DSTALPHA_MODE dst_alpha_mode, u32 primitive_type,
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API_TYPE 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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UidChecker<Uid, ShaderCode> m_uid_checker;
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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(DSTALPHA_MODE dst_alpha_mode, u32 primitive_type,
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API_TYPE api_type) override
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{
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return GetVertexShaderUid();
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}
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ShaderCode GenerateCode(DSTALPHA_MODE dst_alpha_mode, u32 primitive_type, API_TYPE api_type,
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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(DSTALPHA_MODE dst_alpha_mode, u32 primitive_type,
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API_TYPE 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(DSTALPHA_MODE dst_alpha_mode, u32 primitive_type, API_TYPE api_type,
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GeometryShaderUid uid) override
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{
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return GenerateGeometryShaderCode(primitive_type, 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(DSTALPHA_MODE dst_alpha_mode, u32 primitive_type,
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API_TYPE api_type) override
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{
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return GetPixelShaderUid(dst_alpha_mode);
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}
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ShaderCode GenerateCode(DSTALPHA_MODE dst_alpha_mode, u32 primitive_type, API_TYPE api_type,
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PixelShaderUid uid) override
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{
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return GeneratePixelShaderCode(dst_alpha_mode, api_type, uid.GetUidData());
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}
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};
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} // namespace NULL
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