void X11Window::setVerticalSync(bool enable)
{
#ifdef OPENGL_ES
//TODO
#else
typedef GLint (*glSwapIntervalProc)(GLint);
glSwapIntervalProc glSwapInterval = NULL;
if(isExtensionSupported("GLX_MESA_swap_control"))
glSwapInterval = (glSwapIntervalProc)getExtensionProcAddress("glXSwapIntervalMESA");
else if(isExtensionSupported("GLX_SGI_swap_control"))
glSwapInterval = (glSwapIntervalProc)getExtensionProcAddress("glXSwapIntervalSGI");
if(glSwapInterval)
glSwapInterval(enable ? 1 : 0);
#endif
}
void WIN32Window::setVerticalSync(bool enable)
{
#ifdef OPENGL_ES
eglSwapInterval(m_eglDisplay, enable ? 1 : 0);
#else
if(!isExtensionSupported("WGL_EXT_swap_control"))
return;
typedef BOOL (WINAPI * wglSwapIntervalProc)(int);
wglSwapIntervalProc wglSwapInterval = (wglSwapIntervalProc)getExtensionProcAddress("wglSwapIntervalEXT");
if(!wglSwapInterval)
return;
wglSwapInterval(enable ? 1 : 0);
#endif
}
bool WIN32Window::isExtensionSupported(const char *ext)
{
#ifdef OPENGL_ES
//TODO
return false;
#else
typedef const char* (WINAPI * wglGetExtensionsStringProc)();
wglGetExtensionsStringProc wglGetExtensionsString = (wglGetExtensionsStringProc)getExtensionProcAddress("wglGetExtensionsStringEXT");
if(!wglGetExtensionsString)
return false;
const char *exts = wglGetExtensionsString();
if(exts && strstr(exts, ext))
return true;
return false;
#endif
}
