def __init__(self):
super().__init__()
# TODO: fix this placeholder:
self._screens = [HeadlessScreen(self, 0, 0, 1920, 1080)]
num_devices = egl.EGLint()
eglext.eglQueryDevicesEXT(0, None, byref(num_devices))
if num_devices.value > 0:
headless_device = pyglet.options['headless_device']
if headless_device < 0 or headless_device >= num_devices.value:
raise ValueError('Invalid EGL devide id: %d' % headless_device)
devices = (eglext.EGLDeviceEXT * num_devices.value)()
eglext.eglQueryDevicesEXT(num_devices.value, devices, byref(num_devices))
self._display_connection = eglext.eglGetPlatformDisplayEXT(eglext.EGL_PLATFORM_DEVICE_EXT, devices[headless_device], None)
else:
warning.warn('No device available for EGL device platform. Using native display type.')
display = egl.EGLNativeDisplayType()
self._display_connection = egl.eglGetDisplay(display)
egl.eglInitialize(self._display_connection, None, None)
_buffer_types = {
EGL_SINGLE_BUFFER: "EGL_RENDER_BUFFER",
EGL_BACK_BUFFER: "EGL_BACK_BUFFER",
EGL_NONE: "EGL_NONE"
}
_api_types = {
EGL_OPENGL_API: "EGL_OPENGL_API",
EGL_OPENGL_ES_API: "EGL_OPENGL_ES_API",
EGL_NONE: "EGL_NONE"
}
# Initialize a display:
display = libegl.EGLNativeDisplayType()
display_connection = libegl.eglGetDisplay(display)
majorver = libegl.EGLint()
minorver = libegl.EGLint()
result = libegl.eglInitialize(display_connection, majorver, minorver)
assert result == 1, "EGL Initialization Failed"
egl_version = majorver.value, minorver.value
print(f"EGL version: {egl_version}")
# Get the number of configs:
num_configs = libegl.EGLint()
config_size = libegl.EGLint()
result = libegl.eglGetConfigs(display_connection, None, config_size,
num_configs)
assert result == 1, "Failed to query Configs"