def destroy(self):
"""Must be called when this ``RenderTexture`` is no longer needed.
Destroys the frame buffer and render buffer, and calls
:meth:`.Texture2D.destroy`.
"""
texture.Texture2D.destroy(self)
log.debug('Deleting FBO{} [{}]'.format(self.__frameBuffer,
self.__rttype))
glfbo.glDeleteFramebuffersEXT(gltypes.GLuint(self.__frameBuffer))
if self.__renderBuffer is not None:
rb = gltypes.GLuint(self.__renderBuffer)
glfbo.glDeleteRenderbuffersEXT(1, rb)
if self.__depthTexture is not None:
self.__depthTexture.destroy()
self.__frameBuffer = None
self.__renderBuffer = None
self.__depthTexture = None
self.__oldFrameBuffer = None
self.__oldRenderBuffer = None
def destroy(self):
"""Deletes all GL resources managed by this ``ARBPShader``. """
if self.vertexProgram is not None:
arbvp.glDeleteProgramsARB(1, gltypes.GLuint(self.vertexProgram))
if self.fragmentProgram is not None:
arbfp.glDeleteProgramsARB(1, gltypes.GLuint(self.fragmentProgram))
self.vertexProgram = None
self.fragmentProgram = None
def destroy(self):
"""Deletes all GL resources managed by this ``GLSLShader``. """
gl.glDeleteProgram(self.program)
for buf in self.buffers.values():
gl.glDeleteBuffers(1, gltypes.GLuint(buf))
self.program = None
def _get_texture_level_dims(target,level):
"""Retrieve texture dims for given level and target"""
dims = []
dim = _types.GLuint()
GL_1_1.glGetTexLevelParameteriv( target, level, GL_1_1.GL_TEXTURE_WIDTH, dim )
dims = [dim.value]
if target != GL_1_1.GL_TEXTURE_1D:
GL_1_1.glGetTexLevelParameteriv( target, level, GL_1_1.GL_TEXTURE_HEIGHT, dim )
dims.append( dim.value )
if target != GL_1_1.GL_TEXTURE_2D:
GL_1_1.glGetTexLevelParameteriv( target, level, GL_1_1.GL_TEXTURE_DEPTH, dim )
dims.append( dim.value )
return dims
def _get_texture_level_dims(target, level):
dim = _types.GLuint()
GL_1_1.glGetTexLevelParameteriv(target, level, GL_1_1.GL_TEXTURE_WIDTH,
dim)
dims = [dim.value]
if target != GL_1_1.GL_TEXTURE_1D:
GL_1_1.glGetTexLevelParameteriv(target, level,
GL_1_1.GL_TEXTURE_HEIGHT, dim)
dims.append(dim.value)
if target != GL_1_1.GL_TEXTURE_2D:
# bug fixed : GL_1_1.GL_TEXTURE_DEPTH -> GL_1_2.GL_TEXTURE_DEPTH
GL_1_1.glGetTexLevelParameteriv(target, level,
GL_1_2.GL_TEXTURE_DEPTH, dim)
dims.append(dim.value)
return dims
def glGenTextures(baseFunction, count, textures=None):
"""Generate count new texture names
Note: for compatibility with PyOpenGL 2.x and below,
a count of 1 will return a single integer, rather than
an array of integers.
"""
if count <= 0:
raise ValueError("""Can't generate 0 or fewer textures""")
elif count == 1 and _configflags.SIZE_1_ARRAY_UNPACK:
# this traditionally returned a single int/long, so we'll continue to
# do so, even though it would be easier not to bother.
textures = _types.GLuint(0)
baseFunction(count, textures)
return textures.value
else:
textures = arrays.GLuintArray.zeros((count, ))
baseFunction(count, textures)
return textures
