glmd/glxhooks.c at main · lappn99/glmd · GitHub

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#include <dlfcn.h> //dlsym
#include <GL/glx.h>
#include <GL/glext.h>
#include <stdio.h>
#include <string.h> //strcmp
#include "glmd.h"


typedef void (*glxFuncPointer)(void);
typedef Bool (*_glXMakeCurrentFunc)(Display*, GLXDrawable, GLXContext );
typedef Bool (*_glXMakeContextCurrentFunc)(Display*, GLXDrawable, GLXDrawable, GLXContext );
typedef GLXContext (*_glXCreateContextFunc)(Display*, XVisualInfo*, GLXContext, Bool);
typedef GLXContext (*_glXCreateNewContextFunc)(Display*, GLXFBConfig,int , GLXContext, Bool);
typedef glxFuncPointer (*_glXGetProcAddressFunc)(const GLubyte*);
typedef void (*_glXDestroyContextFunc)(Display*, GLXContext);

extern Bool
glXMakeCurrent(Display* dsp, GLXDrawable draw, GLXContext ctx)
{
    _glXMakeCurrentFunc newFunc = glmdGetFuncAddr("glXMakeCurrent");

    Bool result = newFunc(dsp,draw,ctx);
    if(result)
    {
        glmdMakeContextCurrent();
    }
    return result;


}

extern Bool
glXMakeContextCurrent(Display* dsp, GLXDrawable draw,GLXDrawable read, GLXContext ctx)
{

    _glXMakeContextCurrentFunc newFunc = glmdGetFuncAddr("glXMakeContextCurrent");
    Bool result = newFunc(dsp,read,draw,ctx);
    if(result)
    {
        glmdMakeContextCurrent();
    }

    return result;

}

extern GLXContext
glXCreateContext(Display* dpy, XVisualInfo* vis, GLXContext shareList, Bool direct)
{
    _glXCreateContextFunc newFunc = glmdGetFuncAddr("glXCreateContext");
    glmdCreateContext();
    return newFunc(dpy, vis, shareList, direct);
}

extern GLXContext
glXCreateNewContext(Display* dpy, GLXFBConfig config, int renderType,GLXContext shareList, Bool direct)
{
    _glXCreateNewContextFunc newFunc = glmdGetFuncAddr("glXCreateNewContext");
    glmdCreateContext();
    return newFunc(dpy, config, renderType, shareList, direct);
}

extern glxFuncPointer
glXGetProcAddress(const GLubyte* name)
{
    _glXGetProcAddressFunc newFunc = glmdGetFuncAddr("glXGetProcAddress");
    return newFunc(name);

}

extern void
glXDestroyContext(Display* dsp, GLXContext ctx)
{
    _glXDestroyContextFunc newFunc = glmdGetFuncAddr("glXDestroyContext");
    glmdDeinit();
    return newFunc(dsp, ctx);

}