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Fixed bug 1006

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Get the GLX functions with glXGetProcAddress() when available.
This commit is contained in:
Sam Lantinga
2010-07-18 11:18:36 -07:00
parent b0a9c9d932
commit 21a2822b79
1 changed files with 14 additions and 16 deletions
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30
src/video/x11/SDL_x11opengl.c
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@@ -121,28 +121,29 @@ X11_GL_LoadLibrary(_THIS, const char *path)
/* Load function pointers */
handle = _this->gl_config.dll_handle;
_this->gl_data->glXGetProcAddress =
(void *(*)(const GLubyte *)) GL_LoadFunction(handle,
"glXGetProcAddressARB");
(void *(*)(const GLubyte *))
GL_LoadFunction(handle, "glXGetProcAddressARB");
_this->gl_data->glXChooseVisual =
(XVisualInfo * (*)(Display *, int, int *)) GL_LoadFunction(handle,
"glXChooseVisual");
(XVisualInfo * (*)(Display *, int, int *))
X11_GL_GetProcAddress(_this, "glXChooseVisual");
_this->gl_data->glXCreateContext =
(GLXContext(*)(Display *, XVisualInfo *, GLXContext, int))
GL_LoadFunction(handle, "glXCreateContext");
X11_GL_GetProcAddress(_this, "glXCreateContext");
_this->gl_data->glXDestroyContext =
(void (*)(Display *, GLXContext)) GL_LoadFunction(handle,
"glXDestroyContext");
(void (*)(Display *, GLXContext))
X11_GL_GetProcAddress(_this, "glXDestroyContext");
_this->gl_data->glXMakeCurrent =
(int (*)(Display *, GLXDrawable, GLXContext)) GL_LoadFunction(handle,
"glXMakeCurrent");
(int (*)(Display *, GLXDrawable, GLXContext))
X11_GL_GetProcAddress(_this, "glXMakeCurrent");
_this->gl_data->glXSwapBuffers =
(void (*)(Display *, GLXDrawable)) GL_LoadFunction(handle,
"glXSwapBuffers");
(void (*)(Display *, GLXDrawable))
X11_GL_GetProcAddress(_this, "glXSwapBuffers");
if (!_this->gl_data->glXChooseVisual ||
!_this->gl_data->glXCreateContext ||
!_this->gl_data->glXDestroyContext ||
!_this->gl_data->glXMakeCurrent || !_this->gl_data->glXSwapBuffers) {
!_this->gl_data->glXMakeCurrent ||
!_this->gl_data->glXSwapBuffers) {
SDL_SetError("Could not retrieve OpenGL functions");
return -1;
}
@@ -156,13 +157,10 @@ X11_GL_LoadLibrary(_THIS, const char *path)
void *
X11_GL_GetProcAddress(_THIS, const char *proc)
{
void *handle;
handle = _this->gl_config.dll_handle;
if (_this->gl_data->glXGetProcAddress) {
return _this->gl_data->glXGetProcAddress((const GLubyte *) proc);
}
return GL_LoadFunction(handle, proc);
return GL_LoadFunction(_this->gl_config.dll_handle, proc);
}
void