void
TopCanvas::CreateGLX(_XDisplay *_x_display,
X11Window x_window,
GLXFBConfig *fb_cfg)
{
x_display = _x_display;
glx_context = glXCreateNewContext(_x_display, *fb_cfg, GLX_RGBA_TYPE,
nullptr, true);
if (glx_context == nullptr) {
fprintf(stderr, "Failed to create GLX context\n");
exit(EXIT_FAILURE);
}
glx_window = glXCreateWindow(_x_display, *fb_cfg, x_window, nullptr);
XSync(x_display, false);
if (!glXMakeContextCurrent(_x_display, glx_window, glx_window, glx_context)) {
fprintf(stderr, "Failed to attach GLX context to GLX window\n");
exit(EXIT_FAILURE);
}
const PixelSize effective_size = GetNativeSize();
if (effective_size.cx <= 0 || effective_size.cy <= 0) {
fprintf(stderr, "Failed to query GLX drawable size\n");
exit(EXIT_FAILURE);
}
OpenGL::SetupContext();
SetupViewport(effective_size);
}
void
TopCanvas::SetDisplayOrientation(DisplayOrientation orientation)
{
const auto native_size = GetNativeSize();
if (native_size.cx <= 0 || native_size.cy <= 0)
return;
OpenGL::display_orientation = orientation;
SetupViewport(PixelSize(OpenGL::window_size.x, OpenGL::window_size.y));
}
bool
TopCanvas::CheckResize()
{
return CheckResize(GetNativeSize());
}
