Python glGetError示例

示例#1

文件： extensions.py 项目： CaptainAL/Spyder

 def pullExtensions( self ):
     from OpenGL import platform
     if not platform.PLATFORM.CurrentContextIsValid():
         return False
     from OpenGL.raw.GL._types import GLint
     from OpenGL.raw.GL.VERSION.GL_1_1 import glGetString, glGetError
     from OpenGL.raw.GL.VERSION.GL_1_1 import GL_EXTENSIONS
     from OpenGL import error
     try:
         extensions = glGetString( GL_EXTENSIONS )
         if glGetError():
             raise error.GLError()
         if extensions:
             extensions = extensions.split()
         else:
             return False
     except (AttributeError, error.GLError):
         # OpenGL 3.0 deprecates glGetString( GL_EXTENSIONS )
         from OpenGL.raw.GL.VERSION.GL_3_0 import GL_NUM_EXTENSIONS, glGetStringi
         from OpenGL.raw.GL.VERSION.GL_1_1 import glGetIntegerv
         count = GLint()
         glGetIntegerv( GL_NUM_EXTENSIONS, count )
         extensions = []
         for i in range( count.value ):
             extension = glGetStringi( GL_EXTENSIONS, i )
             extensions.append(
                 extension
             )
     # Add included-by-reference extensions...
     version = self.getVersion()
     if not version:
         # should not be possible?
         return version 
     check = tuple( version[:2] )
     for (v,v_exts) in VERSION_EXTENSIONS:
         if v <= check:
             for v_ext in v_exts:
                 if v_ext not in extensions:
                     extensions.append( as_8_bit(v_ext) )
         else:
             break
     return extensions

示例#2

文件： extensions.py 项目： mauromazzei/TD-Madrid-Object-Detection

 def pullExtensions( self ):
     from OpenGL import platform
     if not platform.PLATFORM.CurrentContextIsValid():
         return False
     from OpenGL.raw.GL._types import GLint
     from OpenGL.raw.GL.VERSION.GL_1_1 import glGetString, glGetError
     from OpenGL.raw.GL.VERSION.GL_1_1 import GL_EXTENSIONS
     from OpenGL import error
     try:
         extensions = glGetString( GL_EXTENSIONS )
         if glGetError():
             raise error.GLError()
         if extensions:
             extensions = extensions.split()
         else:
             return False
     except (AttributeError, error.GLError) as err:
         # OpenGL 3.0 deprecates glGetString( GL_EXTENSIONS )
         from OpenGL.raw.GL.VERSION.GL_3_0 import GL_NUM_EXTENSIONS, glGetStringi
         from OpenGL.raw.GL.VERSION.GL_1_1 import glGetIntegerv
         count = GLint()
         glGetIntegerv( GL_NUM_EXTENSIONS, count )
         extensions = []
         for i in range( count.value ):
             extension = glGetStringi( GL_EXTENSIONS, i )
             extensions.append(
                 extension
             )
     # Add included-by-reference extensions...
     version = self.getVersion()
     if not version:
         # should not be possible?
         return version 
     check = tuple( version[:2] )
     for (v,v_exts) in VERSION_EXTENSIONS:
         if v <= check:
             for v_ext in v_exts:
                 if v_ext not in extensions:
                     extensions.append( as_8_bit(v_ext) )
         else:
             break
     return extensions