107 lines
3.8 KiB
Python
107 lines
3.8 KiB
Python
# ----------------------------------------------------------------------------
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# pyglet
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# Copyright (c) 2006-2008 Alex Holkner
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# Copyright (c) 2008-2022 pyglet contributors
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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#
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in
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# the documentation and/or other materials provided with the
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# distribution.
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# * Neither the name of pyglet nor the names of its
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# contributors may be used to endorse or promote products
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# derived from this software without specific prior written
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# permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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# ----------------------------------------------------------------------------
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import pyglet
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import warnings
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from .base import Display, Screen, ScreenMode, Canvas
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from ctypes import *
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from pyglet.libs.egl import egl
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from pyglet.libs.egl import eglext
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class HeadlessDisplay(Display):
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def __init__(self):
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super().__init__()
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# TODO: fix this placeholder:
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self._screens = [HeadlessScreen(self, 0, 0, 1920, 1080)]
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num_devices = egl.EGLint()
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eglext.eglQueryDevicesEXT(0, None, byref(num_devices))
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if num_devices.value > 0:
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headless_device = pyglet.options['headless_device']
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if headless_device < 0 or headless_device >= num_devices.value:
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raise ValueError('Invalid EGL devide id: %d' % headless_device)
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devices = (eglext.EGLDeviceEXT * num_devices.value)()
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eglext.eglQueryDevicesEXT(num_devices.value, devices, byref(num_devices))
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self._display_connection = eglext.eglGetPlatformDisplayEXT(
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eglext.EGL_PLATFORM_DEVICE_EXT, devices[headless_device], None)
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else:
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warnings.warn('No device available for EGL device platform. Using native display type.')
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display = egl.EGLNativeDisplayType()
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self._display_connection = egl.eglGetDisplay(display)
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egl.eglInitialize(self._display_connection, None, None)
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def get_screens(self):
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return self._screens
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def __del__(self):
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egl.eglTerminate(self._display_connection)
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class HeadlessCanvas(Canvas):
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def __init__(self, display, egl_surface):
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super().__init__(display)
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self.egl_surface = egl_surface
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class HeadlessScreen(Screen):
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def __init__(self, display, x, y, width, height):
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super().__init__(display, x, y, width, height)
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def get_matching_configs(self, template):
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canvas = HeadlessCanvas(self.display, None)
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configs = template.match(canvas)
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# XXX deprecate
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for config in configs:
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config.screen = self
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return configs
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def get_modes(self):
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pass
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def get_mode(self):
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pass
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def set_mode(self, mode):
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pass
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def restore_mode(self):
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pass
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