dolphin/Source/Core/VideoBackends/Null/ShaderCache.h

91 lines
2.4 KiB
C++

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