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113 lines
2.2 KiB
C++
113 lines
2.2 KiB
C++
// Copyright 2013 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 "Common/LinearDiskCache.h"
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#include "Core/ConfigManager.h"
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#include "VideoBackends/OGL/GLUtil.h"
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#include "VideoCommon/PixelShaderGen.h"
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#include "VideoCommon/VertexShaderGen.h"
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namespace OGL
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{
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class SHADERUID
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{
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public:
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VertexShaderUid vuid;
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PixelShaderUid puid;
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SHADERUID() {}
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SHADERUID(const SHADERUID& r) : vuid(r.vuid), puid(r.puid) {}
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bool operator <(const SHADERUID& r) const
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{
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if (puid < r.puid)
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return true;
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if (r.puid < puid)
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return false;
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if (vuid < r.vuid)
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return true;
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return false;
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}
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bool operator ==(const SHADERUID& r) const
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{
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return puid == r.puid && vuid == r.vuid;
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}
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};
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struct SHADER
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{
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SHADER() : glprogid(0) { }
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void Destroy()
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{
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glDeleteProgram(glprogid);
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glprogid = 0;
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}
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GLuint glprogid; // opengl program id
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std::string strvprog, strpprog;
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void SetProgramVariables();
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void SetProgramBindings();
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void Bind();
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};
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class ProgramShaderCache
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{
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public:
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struct PCacheEntry
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{
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SHADER shader;
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bool in_cache;
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void Destroy()
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{
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shader.Destroy();
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}
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};
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typedef std::map<SHADERUID, PCacheEntry> PCache;
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static PCacheEntry GetShaderProgram();
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static GLuint GetCurrentProgram();
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static SHADER* SetShader(DSTALPHA_MODE dstAlphaMode, u32 components);
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static void GetShaderId(SHADERUID *uid, DSTALPHA_MODE dstAlphaMode, u32 components);
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static bool CompileShader(SHADER &shader, const char* vcode, const char* pcode);
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static GLuint CompileSingleShader(GLuint type, const char *code);
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static void UploadConstants();
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static void Init();
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static void Shutdown();
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static void CreateHeader();
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private:
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class ProgramShaderCacheInserter : public LinearDiskCacheReader<SHADERUID, u8>
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{
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public:
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void Read(const SHADERUID &key, const u8 *value, u32 value_size) override;
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};
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static PCache pshaders;
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static PCacheEntry* last_entry;
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static SHADERUID last_uid;
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static UidChecker<PixelShaderUid,PixelShaderCode> pixel_uid_checker;
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static UidChecker<VertexShaderUid,VertexShaderCode> vertex_uid_checker;
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static u32 s_ubo_buffer_size;
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static s32 s_ubo_align;
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};
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} // namespace OGL
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