334 lines
12 KiB
Python
334 lines
12 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 platform
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from ctypes import c_uint32, c_int, byref
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from pyglet.gl.base import Config, CanvasConfig, Context
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from pyglet.gl import ContextException
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from pyglet.canvas.cocoa import CocoaCanvas
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from pyglet.libs.darwin import cocoapy, quartz
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NSOpenGLPixelFormat = cocoapy.ObjCClass('NSOpenGLPixelFormat')
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NSOpenGLContext = cocoapy.ObjCClass('NSOpenGLContext')
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# Version info, needed as OpenGL different Lion and onward
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"""Version is based on Darwin kernel, not OS-X version.
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OS-X / Darwin version history
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http://en.wikipedia.org/wiki/Darwin_(operating_system)#Release_history
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pre-release: 0.1, 0.2, 1.0, 1.1,
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kodiak: 1.2.1,
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cheetah: 1.3.1,
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puma: 1.4.1, 5.1 -> 5.5
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jaguar: 6.0.1 -> 6.8
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panther: 7.0 -> 7.9
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tiger: 8.0 -> 8.11
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leopard: 9.0 -> 9.8
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snow_leopard: 10.0 -> 10.8
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lion: 11.0 -> 11.4
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mountain_lion: 12.0 -> 12.5
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mavericks: 13.0 -> 13.4
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yosemite: 14.0 -> 14.5
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el_capitan: 15.0 -> 15.6
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sierra: 16.0 -> 16.6
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high_sierra: 17.0 -> 17.7
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mojave: 18.0 -> 18.2
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catalina: 19.0 -> 19.6
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big_sur: 20.0 ->
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"""
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os_x_release = {
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'pre-release': (0,1),
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'kodiak': (1,2,1),
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'cheetah': (1,3,1),
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'puma': (1,4.1),
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'jaguar': (6,0,1),
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'panther': (7,),
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'tiger': (8,),
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'leopard': (9,),
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'snow_leopard': (10,),
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'lion': (11,),
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'mountain_lion': (12,),
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'mavericks': (13,),
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'yosemite': (14,),
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'el_capitan': (15,),
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'sierra': (16,),
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'high_sierra': (17,),
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'mojave': (18,),
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'catalina': (19,),
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'big_sur': (20,)
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}
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def os_x_version():
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version = tuple([int(v) for v in platform.release().split('.')])
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# ensure we return a tuple
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if len(version) > 0:
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return version
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return (version,)
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_os_x_version = os_x_version()
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# Valid names for GL attributes and their corresponding NSOpenGL constant.
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_gl_attributes = {
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'double_buffer': cocoapy.NSOpenGLPFADoubleBuffer,
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'stereo': cocoapy.NSOpenGLPFAStereo,
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'buffer_size': cocoapy.NSOpenGLPFAColorSize,
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'sample_buffers': cocoapy.NSOpenGLPFASampleBuffers,
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'samples': cocoapy.NSOpenGLPFASamples,
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'aux_buffers': cocoapy.NSOpenGLPFAAuxBuffers,
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'alpha_size': cocoapy.NSOpenGLPFAAlphaSize,
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'depth_size': cocoapy.NSOpenGLPFADepthSize,
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'stencil_size': cocoapy.NSOpenGLPFAStencilSize,
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# Not exposed by pyglet API (set internally)
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'all_renderers': cocoapy.NSOpenGLPFAAllRenderers,
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'fullscreen': cocoapy.NSOpenGLPFAFullScreen,
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'minimum_policy': cocoapy.NSOpenGLPFAMinimumPolicy,
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'maximum_policy': cocoapy.NSOpenGLPFAMaximumPolicy,
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'screen_mask' : cocoapy.NSOpenGLPFAScreenMask,
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# Not supported in current pyglet API
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'color_float': cocoapy.NSOpenGLPFAColorFloat,
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'offscreen': cocoapy.NSOpenGLPFAOffScreen,
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'sample_alpha': cocoapy.NSOpenGLPFASampleAlpha,
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'multisample': cocoapy.NSOpenGLPFAMultisample,
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'supersample': cocoapy.NSOpenGLPFASupersample,
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}
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# NSOpenGL constants which do not require a value.
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_boolean_gl_attributes = frozenset([
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cocoapy.NSOpenGLPFAAllRenderers,
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cocoapy.NSOpenGLPFADoubleBuffer,
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cocoapy.NSOpenGLPFAStereo,
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cocoapy.NSOpenGLPFAMinimumPolicy,
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cocoapy.NSOpenGLPFAMaximumPolicy,
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cocoapy.NSOpenGLPFAOffScreen,
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cocoapy.NSOpenGLPFAFullScreen,
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cocoapy.NSOpenGLPFAColorFloat,
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cocoapy.NSOpenGLPFAMultisample,
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cocoapy.NSOpenGLPFASupersample,
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cocoapy.NSOpenGLPFASampleAlpha,
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])
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# Attributes for which no NSOpenGLPixelFormatAttribute name exists.
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# We could probably compute actual values for these using
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# NSOpenGLPFAColorSize / 4 and NSOpenGLFAAccumSize / 4, but I'm not that
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# confident I know what I'm doing.
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_fake_gl_attributes = {
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'red_size': 0,
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'green_size': 0,
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'blue_size': 0,
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'accum_red_size': 0,
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'accum_green_size': 0,
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'accum_blue_size': 0,
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'accum_alpha_size': 0
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}
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class CocoaConfig(Config):
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def match(self, canvas):
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# Construct array of attributes for NSOpenGLPixelFormat
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attrs = []
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for name, value in self.get_gl_attributes():
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attr = _gl_attributes.get(name)
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if not attr or not value:
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continue
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attrs.append(attr)
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if attr not in _boolean_gl_attributes:
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attrs.append(int(value))
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# Support for RAGE-II, which is not compliant.
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attrs.append(cocoapy.NSOpenGLPFAAllRenderers)
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# Force selection policy.
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attrs.append(cocoapy.NSOpenGLPFAMaximumPolicy)
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# NSOpenGLPFAFullScreen is always supplied so we can switch to and
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# from fullscreen without losing the context. Also must supply the
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# NSOpenGLPFAScreenMask attribute with appropriate display ID.
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# Note that these attributes aren't necessary to render in fullscreen
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# on Mac OS X 10.6, because there we are simply rendering into a
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# screen sized window. See:
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# http://developer.apple.com/library/mac/#documentation/GraphicsImaging/Conceptual/OpenGL-MacProgGuide/opengl_fullscreen/opengl_cgl.html%23//apple_ref/doc/uid/TP40001987-CH210-SW6
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# Otherwise, make sure we refer to the correct Profile for OpenGL (Core or
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# Legacy) on Lion and afterwards
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if _os_x_version < os_x_release['snow_leopard']:
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attrs.append(cocoapy.NSOpenGLPFAFullScreen)
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attrs.append(cocoapy.NSOpenGLPFAScreenMask)
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attrs.append(quartz.CGDisplayIDToOpenGLDisplayMask(quartz.CGMainDisplayID()))
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elif _os_x_version >= os_x_release['lion']:
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# check for opengl profile
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# This requires OS-X Lion (Darwin 11) or higher
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version = (
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getattr(self, 'major_version', None) or 2,
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getattr(self, 'minor_version', None)
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)
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# tell os-x we want to request a profile
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attrs.append(cocoapy.NSOpenGLPFAOpenGLProfile)
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# check if we're wanting core or legacy
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# Mavericks (Darwin 13) and up are capable of the Core 4.1 profile,
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# while Lion and up are only capable of Core 3.2
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if version[0] >= 4 and _os_x_version >= os_x_release['mavericks']:
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attrs.append(int(cocoapy.NSOpenGLProfileVersion4_1Core))
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elif version[0] >= 3:
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attrs.append(int(cocoapy.NSOpenGLProfileVersion3_2Core))
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else:
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attrs.append(int(cocoapy.NSOpenGLProfileVersionLegacy))
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# Terminate the list.
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attrs.append(0)
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# Create the pixel format.
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attrsArrayType = c_uint32 * len(attrs)
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attrsArray = attrsArrayType(*attrs)
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pixel_format = NSOpenGLPixelFormat.alloc().initWithAttributes_(attrsArray)
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# Return the match list.
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if pixel_format is None:
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return []
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else:
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return [CocoaCanvasConfig(canvas, self, pixel_format)]
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class CocoaCanvasConfig(CanvasConfig):
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def __init__(self, canvas, config, pixel_format):
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super(CocoaCanvasConfig, self).__init__(canvas, config)
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self._pixel_format = pixel_format
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# Query values for the attributes of the pixel format, and then set the
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# corresponding attributes of the canvas config.
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for name, attr in _gl_attributes.items():
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vals = c_int()
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self._pixel_format.getValues_forAttribute_forVirtualScreen_(byref(vals), attr, 0)
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setattr(self, name, vals.value)
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# Set these attributes so that we can run pyglet.info.
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for name, value in _fake_gl_attributes.items():
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setattr(self, name, value)
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# Update the minor/major version from profile if (Mountain)Lion
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if _os_x_version >= os_x_release['lion']:
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vals = c_int()
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profile = self._pixel_format.getValues_forAttribute_forVirtualScreen_(
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byref(vals),
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cocoapy.NSOpenGLPFAOpenGLProfile,
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0
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)
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if vals.value == cocoapy.NSOpenGLProfileVersion4_1Core:
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setattr(self, "major_version", 4)
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setattr(self, "minor_version", 1)
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elif vals.value == cocoapy.NSOpenGLProfileVersion3_2Core:
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setattr(self, "major_version", 3)
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setattr(self, "minor_version", 2)
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else:
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setattr(self, "major_version", 2)
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setattr(self, "minor_version", 1)
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def create_context(self, share):
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# Determine the shared NSOpenGLContext.
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if share:
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share_context = share._nscontext
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else:
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share_context = None
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# Create a new NSOpenGLContext.
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nscontext = NSOpenGLContext.alloc().initWithFormat_shareContext_(
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self._pixel_format,
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share_context)
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return CocoaContext(self, nscontext, share)
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def compatible(self, canvas):
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return isinstance(canvas, CocoaCanvas)
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class CocoaContext(Context):
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def __init__(self, config, nscontext, share):
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super(CocoaContext, self).__init__(config, share)
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self.config = config
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self._nscontext = nscontext
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def attach(self, canvas):
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# See if we want OpenGL 3 in a non-Lion OS
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if _os_x_version < os_x_release['lion'] and self.config.requires_gl_3():
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raise ContextException('OpenGL 3 not supported')
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super(CocoaContext, self).attach(canvas)
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# The NSView instance should be attached to a nondeferred window before calling
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# setView, otherwise you get an "invalid drawable" message.
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self._nscontext.setView_(canvas.nsview)
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self._nscontext.view().setWantsBestResolutionOpenGLSurface_(1)
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self.set_current()
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def detach(self):
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super(CocoaContext, self).detach()
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self._nscontext.clearDrawable()
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def set_current(self):
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self._nscontext.makeCurrentContext()
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super(CocoaContext, self).set_current()
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def update_geometry(self):
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# Need to call this method whenever the context drawable (an NSView)
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# changes size or location.
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self._nscontext.update()
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def set_full_screen(self):
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self._nscontext.makeCurrentContext()
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self._nscontext.setFullScreen()
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def destroy(self):
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super(CocoaContext, self).destroy()
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self._nscontext.release()
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self._nscontext = None
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def set_vsync(self, vsync=True):
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vals = c_int(vsync)
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self._nscontext.setValues_forParameter_(byref(vals), cocoapy.NSOpenGLCPSwapInterval)
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def get_vsync(self):
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vals = c_int()
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self._nscontext.getValues_forParameter_(byref(vals), cocoapy.NSOpenGLCPSwapInterval)
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return vals.value
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def flip(self):
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self._nscontext.flushBuffer()
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