def test_SDL_GL_GetSetSwapInterval(self):
if video.SDL_GetCurrentVideoDriver() == b"dummy":
pytest.skip("dummy video driver does not support GL loading")
#self.assertRaises(ValueError, video.SDL_GL_SetSwapInterval, None)
#self.assertRaises(ValueError, video.SDL_GL_SetSwapInterval, "Test")
#self.assertRaises(ValueError, video.SDL_GL_SetSwapInterval, 1234)
# No current OpenGL context yet.
# Might crash on certain platforms, since the internal state of
# SDL2 does not support calling GL functions without having a
# GL library loaded.
# self.assertRaises(sdl.SDLError, video.SDL_GL_SetSwapInterval, 1)
# self.assertRaises(sdl.SDLError, video.SDL_GL_SetSwapInterval, 0)
assert video.SDL_GL_LoadLibrary(None) == 0, SDL_GetError()
window = video.SDL_CreateWindow(b"OpenGL", 10, 10, 10, 10,
video.SDL_WINDOW_OPENGL)
ctx = video.SDL_GL_CreateContext(window)
video.SDL_GL_MakeCurrent(window, ctx)
ret = video.SDL_GL_SetSwapInterval(0)
if ret == 0:
assert video.SDL_GL_GetSwapInterval() == 0
ret = video.SDL_GL_SetSwapInterval(1)
if ret == 0:
assert video.SDL_GL_GetSwapInterval() == 1
video.SDL_GL_DeleteContext(ctx)
video.SDL_DestroyWindow(window)
video.SDL_GL_UnloadLibrary()
def test_SDL_GL_SwapWindow(self):
if video.SDL_GetCurrentVideoDriver() == b"dummy":
pytest.skip("dummy video driver does not support GL loading")
assert video.SDL_GL_LoadLibrary(None) == 0, SDL_GetError()
window = video.SDL_CreateWindow(b"OpenGL", 10, 10, 10, 10,
video.SDL_WINDOW_OPENGL)
ctx = video.SDL_GL_CreateContext(window)
video.SDL_GL_MakeCurrent(window, ctx)
video.SDL_GL_SwapWindow(window)
video.SDL_GL_SwapWindow(window)
video.SDL_GL_SwapWindow(window)
video.SDL_GL_SwapWindow(window)
video.SDL_GL_DeleteContext(ctx)
video.SDL_DestroyWindow(window)
video.SDL_GL_UnloadLibrary()