def test_valid(self):
" Test if generated programs are valid"
prog1 = ShaderProgram.new_program()
prog2 = ShaderProgram(8000, owned = True)
self.assertTrue(prog1.valid())
self.assertFalse(prog2.valid())
self.assertTrue(prog1)
self.assertFalse(prog2)
def test_freeing(self):
" Test if programs are freed correctly "
prog = ShaderProgram.new_program()
vert, frag = self.get_objects()
prog.attach(vert, frag)
# Warning, borrowed_obj do not own the underlying shader so it will not be freed automatically
borrowed_prog = ShaderProgram(glCreateProgram(), owned=False)
pid = prog.pid
pid2 = borrowed_prog.pid
del prog
del borrowed_prog
gc.collect()
self.assertEqual(glIsProgram(pid), GL_FALSE, 'Program was not freed')
self.assertEqual(glIsProgram(pid2), GL_TRUE, 'Program was freed')
self.assertFalse(vert.valid(), 'vert was not freed')
self.assertFalse(frag.valid(), 'frag was not freed')
# Free the program object
glDeleteProgram(pid2)
def test_eq(self):
prog = ShaderProgram.new_program()
prog_clone = ShaderProgram(prog.pid)
self.assertEqual(prog, prog_clone, 'prog and prog clone are not equal')