void glx_CheckExtensions(Display *display, int screen)
{
ClearExtensionVariables();
{
ProcExtsFromExtString((const char *)glXQueryExtensionsString(display, screen));
}
}
int glx_LoadFunctions(Display *display, int screen)
{
ClearExtensionVars();
ProcExtsFromExtString((const char *)glXQueryExtensionsString(display, screen));
return glx_LOAD_SUCCEEDED;
}
int sfglx_LoadFunctions(Display* display, int screen)
{
ClearExtensionVars();
ProcExtsFromExtString(reinterpret_cast<const char*>(glXQueryExtensionsString(display, screen)));
return sfglx_LOAD_SUCCEEDED;
}
int sfogl_LoadFunctions()
{
int numFailed = 0;
ClearExtensionVars();
const char* extensionString = NULL;
if (sfogl_GetMajorVersion() < 3)
{
// Try to load the < 3.0 way
glCheck(extensionString = (const char *)glGetString(GL_EXTENSIONS));
ProcExtsFromExtString(extensionString);
}
else
{
// Try to load the >= 3.0 way
const GLubyte* (CODEGEN_FUNCPTR *glGetStringiFunc)(GLenum, GLuint) = NULL;
glGetStringiFunc = (const GLubyte* (CODEGEN_FUNCPTR *)(GLenum, GLuint))IntGetProcAddress("glGetStringi");
if (glGetStringiFunc)
{
int numExtensions = 0;
glCheck(glGetIntegerv(GL_NUM_EXTENSIONS, &numExtensions));
if (numExtensions)
{
for (unsigned int i = 0; i < static_cast<unsigned int>(numExtensions); ++i)
{
glCheck(extensionString = (const char *)glGetStringiFunc(GL_EXTENSIONS, i));
ProcExtsFromExtString(extensionString);
}
}
}
}
numFailed = Load_Version_1_1();
if (numFailed == 0)
return sfogl_LOAD_SUCCEEDED;
else
return sfogl_LOAD_SUCCEEDED + numFailed;
}
int wgl_LoadFunctions(HDC hdc)
{
ClearExtensionVars();
_ptrc_wglGetExtensionsStringARB = (const char * (CODEGEN_FUNCPTR *)(HDC))IntGetProcAddress("wglGetExtensionsStringARB");
if(!_ptrc_wglGetExtensionsStringARB) return wgl_LOAD_FAILED;
ProcExtsFromExtString((const char *)_ptrc_wglGetExtensionsStringARB(hdc));
return wgl_LOAD_SUCCEEDED;
}
void wgl_CheckExtensions(HDC hdc)
{
ClearExtensionVariables();
{
typedef const char * (CODEGEN_FUNCPTR *MYGETEXTSTRINGPROC)(HDC);
MYGETEXTSTRINGPROC InternalGetExtensionString = (MYGETEXTSTRINGPROC)IntGetProcAddress("wglGetExtensionsStringARB");
if(!InternalGetExtensionString) return;
ProcExtsFromExtString((const char *)InternalGetExtensionString(hdc));
}
}
static int InternalLoad(HDC hdc)
{
ClearExtensionVars();
_funcptr_wglGetExtensionsStringARB = (PFNWGLGETEXTENSIONSSTRINGARBPROC)IntGetProcAddress("wglGetExtensionsStringARB");
if(!_funcptr_wglGetExtensionsStringARB) return 0;
ProcExtsFromExtString((const char *)_funcptr_wglGetExtensionsStringARB(hdc));
return wgl_LOAD_SUCCEEDED;
}
