mirror of
https://github.com/dolphin-emu/dolphin.git
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138 lines
3.3 KiB
C++
138 lines
3.3 KiB
C++
// Copyright (C) 2003 Dolphin Project.
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, version 2.0.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License 2.0 for more details.
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// A copy of the GPL 2.0 should have been included with the program.
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// If not, see http://www.gnu.org/licenses/
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// Official SVN repository and contact information can be found at
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// http://code.google.com/p/dolphin-emu/
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#ifndef PROGRAM_SHADER_CACHE_H_
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#define PROGRAM_SHADER_CACHE_H_
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#include "GLUtil.h"
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#include "PixelShaderGen.h"
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#include "VertexShaderGen.h"
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#include "LinearDiskCache.h"
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#include "ConfigManager.h"
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namespace OGL
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{
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template<bool safe>
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class _SHADERUID
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{
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public:
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_VERTEXSHADERUID<safe> vuid;
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_PIXELSHADERUID<safe> 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) return true;
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if(r.puid < puid) return false;
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if(vuid < r.vuid) 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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typedef _SHADERUID<false> SHADERUID;
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typedef _SHADERUID<true> SHADERUIDSAFE;
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const int NUM_UNIFORMS = 19;
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extern const char *UniformNames[NUM_UNIFORMS];
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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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GLint UniformLocations[NUM_UNIFORMS];
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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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SHADERUIDSAFE safe_uid;
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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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static PCacheEntry GetShaderProgram(void);
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static GLuint GetCurrentProgram(void);
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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 void GetSafeShaderId(SHADERUIDSAFE *uid, DSTALPHA_MODE dstAlphaMode, u32 components);
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static void ValidateShaderIDs(PCacheEntry *entry, 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 SetMultiPSConstant4fv(unsigned int offset, const float *f, unsigned int count);
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static void SetMultiVSConstant4fv(unsigned int offset, const float *f, unsigned int count);
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static void UploadConstants();
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static void Init(void);
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static void Shutdown(void);
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static void CreateHeader(void);
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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);
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};
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typedef std::map<SHADERUID, PCacheEntry> PCache;
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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 GLintptr s_vs_data_size;
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static GLintptr s_ps_data_size;
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static GLintptr s_vs_data_offset;
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static u8 *s_ubo_buffer;
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static u32 s_ubo_buffer_size;
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static bool s_ubo_dirty;
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};
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} // namespace OGL
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#endif
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