| """EGL (cross-platform) platform library""" |
| import ctypes, ctypes.util |
| from OpenGL.platform import baseplatform, ctypesloader |
|
|
| class EGLPlatform( baseplatform.BasePlatform ): |
| """EGL platform for opengl-es only platforms""" |
| @baseplatform.lazy_property |
| def GLES1(self): |
| try: |
| return ctypesloader.loadLibrary( |
| ctypes.cdll, |
| 'GLESv1_CM', |
| mode=ctypes.RTLD_GLOBAL |
| ) |
| except OSError as err: |
| return None |
| @baseplatform.lazy_property |
| def GLES2(self): |
| try: |
| return ctypesloader.loadLibrary( |
| ctypes.cdll, |
| 'GLESv2', |
| mode=ctypes.RTLD_GLOBAL |
| ) |
| except OSError as err: |
| return None |
| @baseplatform.lazy_property |
| def GLES3(self): |
| |
| return self.GLES2 |
| @baseplatform.lazy_property |
| def GL(self): |
| try: |
| return ctypesloader.loadLibrary( |
| ctypes.cdll, |
| 'GL', |
| mode=ctypes.RTLD_GLOBAL |
| ) |
| except OSError as err: |
| return self.GLES2 or self.GLES1 |
| @baseplatform.lazy_property |
| def GLU(self): |
| try: |
| return ctypesloader.loadLibrary( |
| ctypes.cdll, |
| 'GLU', |
| mode=ctypes.RTLD_GLOBAL |
| ) |
| except OSError as err: |
| return None |
| @baseplatform.lazy_property |
| def GLUT( self ): |
| try: |
| return ctypesloader.loadLibrary( |
| ctypes.cdll, |
| 'glut', |
| mode=ctypes.RTLD_GLOBAL |
| ) |
| except OSError as err: |
| return None |
| @baseplatform.lazy_property |
| def OpenGL(self): return self.GL |
| |
| @baseplatform.lazy_property |
| def EGL(self): |
| try: |
| return ctypesloader.loadLibrary( |
| ctypes.cdll, |
| 'EGL', |
| mode=ctypes.RTLD_GLOBAL |
| ) |
| except OSError as err: |
| raise ImportError("Unable to load EGL library", *err.args) |
| @baseplatform.lazy_property |
| def getExtensionProcedure( self ): |
| eglGetProcAddress = self.EGL.eglGetProcAddress |
| eglGetProcAddress.restype = ctypes.c_void_p |
| return eglGetProcAddress |
| @baseplatform.lazy_property |
| def GLE( self ): |
| try: |
| return ctypesloader.loadLibrary( |
| ctypes.cdll, |
| 'gle', |
| mode=ctypes.RTLD_GLOBAL |
| ) |
| except OSError as err: |
| return None |
|
|
| DEFAULT_FUNCTION_TYPE = staticmethod( ctypes.CFUNCTYPE ) |
| @baseplatform.lazy_property |
| def GetCurrentContext( self ): |
| return self.EGL.eglGetCurrentContext |
|
|
