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# Copyright (C) 2022 The Qt Company Ltd.
# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
'''Unit tests for QOpenGLBuffer'''
import ctypes
import os
import sys
import unittest
from pathlib import Path
sys.path.append(os.fspath(Path(__file__).resolve().parents[1]))
from init_paths import init_test_paths
init_test_paths(False)
from helper.usesqapplication import UsesQApplication
from PySide6.QtGui import QOffscreenSurface, QOpenGLContext, QSurface, QWindow
from PySide6.QtOpenGL import QOpenGLBuffer
def createSurface(surfaceClass):
if surfaceClass == QSurface.Window:
window = QWindow()
window.setSurfaceType(QWindow.OpenGLSurface)
window.setGeometry(0, 0, 10, 10)
window.create()
return window
elif surfaceClass == QSurface.Offscreen:
# Create a window and get the format from that. For example, if an EGL
# implementation provides 565 and 888 configs for PBUFFER_BIT but only
# 888 for WINDOW_BIT, we may end up with a pbuffer surface that is
# incompatible with the context since it could choose the 565 while the
# window and the context uses a config with 888.
format = QSurfaceFormat
if format.redBufferSize() == -1:
window = QWindow()
window.setSurfaceType(QWindow.OpenGLSurface)
window.setGeometry(0, 0, 10, 10)
window.create()
format = window.format()
offscreenSurface = QOffscreenSurface()
offscreenSurface.setFormat(format)
offscreenSurface.create()
return offscreenSurface
return 0
class QOpenGLBufferTest(UsesQApplication):
def testBufferCreate(self):
surface = createSurface(QSurface.Window)
ctx = QOpenGLContext()
ctx.create()
ctx.makeCurrent(surface)
buf = QOpenGLBuffer()
self.assertTrue(not buf.isCreated())
self.assertTrue(buf.create())
self.assertTrue(buf.isCreated())
self.assertEqual(buf.type(), QOpenGLBuffer.VertexBuffer)
buf.bind()
buf.allocate(128)
self.assertEqual(buf.size(), 128)
buf.release()
buf.destroy()
self.assertTrue(not buf.isCreated())
ctx.doneCurrent()
if __name__ == '__main__':
unittest.main()
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