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import sys
from ctypes import c_int, byref
import pytest
import sdl2
from sdl2 import SDL_Init, SDL_Quit, SDL_INIT_VIDEO
from sdl2 import metal, video, error
macos = sys.platform == "darwin"
# TODO: Add more complete tests with pyobjc
class TestSDLMetal(object):
__tags__ = ["sdl"]
@classmethod
def setup_class(cls):
if SDL_Init(SDL_INIT_VIDEO) != 0:
raise pytest.skip('Video subsystem not supported')
@classmethod
def teardown_class(cls):
SDL_Quit()
@pytest.mark.xfail(reason="Metal not supported on all macs")
@pytest.mark.skipif(sdl2.dll.version < 2012 or not macos, reason="not available")
def test_SDL_Metal_CreateDestroyView(self):
error.SDL_ClearError()
flags = video.SDL_WINDOW_HIDDEN | video.SDL_WINDOW_METAL
window = video.SDL_CreateWindow(b"Test", 10, 10, 10, 10, flags)
assert isinstance(window.contents, video.SDL_Window)
view = metal.SDL_Metal_CreateView(window)
err = error.SDL_GetError()
if len(err):
print("Metal Error: '{0}'".format(err.decode('utf-8')))
assert view # Verify pointer is not null
metal.SDL_Metal_DestroyView(view)
video.SDL_DestroyWindow(window)
@pytest.mark.xfail(reason="Metal not supported on all macs")
@pytest.mark.skipif(sdl2.dll.version < 2014 or not macos, reason="not available")
def test_SDL_Metal_GetLayer(self):
flags = video.SDL_WINDOW_HIDDEN | video.SDL_WINDOW_METAL
window = video.SDL_CreateWindow(b"Test", 10, 10, 10, 10, flags)
assert isinstance(window.contents, video.SDL_Window)
view = metal.SDL_Metal_CreateView(window)
assert view # Verify pointer is not null
layer = metal.SDL_Metal_GetLayer(view)
assert layer # Verify pointer is not null
metal.SDL_Metal_DestroyView(view)
video.SDL_DestroyWindow(window)
@pytest.mark.xfail(reason="Metal not supported on all macs")
@pytest.mark.skipif(sdl2.dll.version < 2014 or not macos, reason="not available")
def test_SDL_Metal_GetDrawableSize(self):
flags = video.SDL_WINDOW_HIDDEN | video.SDL_WINDOW_METAL
window = video.SDL_CreateWindow(b"Test", 10, 10, 10, 10, flags)
assert isinstance(window.contents, video.SDL_Window)
view = metal.SDL_Metal_CreateView(window)
assert view # Verify pointer is not null
w, h = c_int(0), c_int(0)
metal.SDL_Metal_GetDrawableSize(window, byref(w), byref(h))
assert w.value == 10 and h.value == 10
metal.SDL_Metal_DestroyView(view)
video.SDL_DestroyWindow(window)
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