Hello,
I would like do Picking but I have the error:
Segmentation fault
My code:
viewport = (GLint*4)()
glGetIntegerv(GL_VIEWPORT, viewport)
---------------------------------------------------------------
buffer = (GLuint*512)()
glSelectBuffer(512, buffer)
#Segmentation fault
-------------------------------------------------------------
or
-------------------------------------------------------------
select_buffer = ctypes.cast((512 * GLuint)(),
ctypes.POINTER(GLuint))
glSelectBuffer(512, select_buffer)
#pyglet.gl.lib.GLException: invalid operation
-------------------------------------------------------------
glRenderMode(GL_SELECT)
glMatrixMode(GL_PROJECTION)
glPushMatrix()
glLoadIdentity()
gluPickMatrix(x,viewport[3]-y,5,5,viewport)
gluOrtho2D(-self.w*self.z,self.w*self.z,-self.h*self.z,self.h*self.z)
glMatrixMode(GL_MODELVIEW)
glInitNames()
What I am doing wrong?
Thanks in advance.
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