def testIt(self):
w = QGLWidget()
w.makeCurrent()
b = QGLBuffer()
b.setUsagePattern(QGLBuffer.DynamicDraw)
self.assertTrue(b.create())
self.assertTrue(b.bufferId() != 0)
self.assertTrue(b.bind())
data = QByteArray("12345")
b.allocate(data)
self.assertEqual(b.size(), data.size())
m = b.map(QGLBuffer.ReadOnly)
if m:
self.assertEqual(m, py3k.buffer(py3k.b(data.data())))
b.unmap()
m = b.map(QGLBuffer.ReadWrite)
m[3] = py3k.b('A')
b.unmap()
result, rdata = b.read(3, 1)
self.assertTrue(result)
self.assertEqual(py3k.b('A'), rdata.data())
else:
print(" memory mapping is not possible in this OpenGL implementation.")
b.release()
def testIt(self):
w = QGLWidget()
w.makeCurrent()
b = QGLBuffer()
b.setUsagePattern(QGLBuffer.DynamicDraw)
self.assertTrue(b.create())
self.assertTrue(b.bufferId() != 0)
self.assertTrue(b.bind())
data = QByteArray("12345")
b.allocate(data)
self.assertEqual(b.size(), data.size())
m = b.map(QGLBuffer.ReadOnly)
if m:
self.assertEqual(m, py3k.buffer(py3k.b(data.data())))
b.unmap()
m = b.map(QGLBuffer.ReadWrite)
m[3] = py3k.b('A')
b.unmap()
result, rdata = b.read(3, 1)
self.assertTrue(result)
self.assertEqual(py3k.b('A'), rdata.data())
else:
print(
" memory mapping is not possible in this OpenGL implementation."
)
b.release()
