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Viewing changes to engine/shaders.h

  • Committer: Bazaar Package Importer
  • Author(s): Bruno "Fuddl" Kleinert
  • Date: 2007-01-09 18:19:30 UTC
  • Revision ID: james.westby@ubuntu.com-20070109181930-zy2ulzq3ukfjhrix
Tags: upstream-0.0.20061204.dfsg
Import upstream version 0.0.20061204.dfsg

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engine/shaders.h
 
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// GL_ARB_vertex_program, GL_ARB_fragment_program
 
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extern PFNGLGENPROGRAMSARBPROC            glGenPrograms_;
 
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extern PFNGLBINDPROGRAMARBPROC            glBindProgram_;
 
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extern PFNGLPROGRAMSTRINGARBPROC          glProgramString;
 
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extern PFNGLPROGRAMENVPARAMETER4FARBPROC  glProgramEnvParameter4f_;
 
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extern PFNGLPROGRAMENVPARAMETER4FVARBPROC glProgramEnvParameter4fv_;
 
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extern int renderpath;
 
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enum { R_FIXEDFUNCTION = 0, R_ASMSHADER, /* R_GLSLANG */ };
 
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enum { SHPARAM_VERTEX = 0, SHPARAM_PIXEL };
 
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#define MAXSHADERPARAMS 10
 
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struct ShaderParam
 
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{
 
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    int type;
 
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    int index;
 
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    float val[4];
 
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};
 
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enum { SHADER_DEFAULT = 0, SHADER_NORMALSLMS };
 
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extern int shaderdetail;
 
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struct Shader
 
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{
 
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    char *name;
 
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    int type;
 
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    GLuint vs, ps;
 
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    vector<ShaderParam> defaultparams;
 
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    Shader *fastshader;
 
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    int fastdetail;
 
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    void bindprograms()
 
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    {
 
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        glBindProgram_(GL_VERTEX_PROGRAM_ARB,   vs);
 
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        glBindProgram_(GL_FRAGMENT_PROGRAM_ARB, ps);
 
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    };
 
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    void set()
 
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    {
 
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        if(renderpath==R_FIXEDFUNCTION) return;
 
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        if(fastshader && shaderdetail <= fastdetail) fastshader->bindprograms();
 
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        else bindprograms();
 
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    };
 
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};
 
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extern Shader *defaultshader;
 
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extern Shader *notextureshader;
 
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extern Shader *nocolorshader;
 
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extern Shader *lookupshaderbyname(const char *name);
 
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