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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 test for QOpenGLContext, QOpenGLTexture, QOpenGLWindow and related classes'''
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.QtCore import QSize, QTimer, Qt
from PySide6.QtGui import (QColor, QGuiApplication, QImage, QOpenGLContext,
QSurfaceFormat)
from PySide6.QtOpenGL import QOpenGLTexture, QOpenGLWindow
try:
from OpenGL import GL
from PySide6.QtOpenGL import QOpenGLVersionProfile, QOpenGLVersionFunctionsFactory
except ImportError:
print("Skipping test due to missing OpenGL module/GLES only build")
sys.exit(0)
class OpenGLWindow(QOpenGLWindow):
def __init__(self):
super().__init__()
self.m_functions = None
self.m_texture = None
self.visibleChanged.connect(self.slotVisibleChanged)
def slotVisibleChanged(self, visible):
if not visible and self.m_texture is not None and self.context().makeCurrent(self):
self.m_texture = None
self.context().doneCurrent()
def initializeGL(self):
profile = QOpenGLVersionProfile()
profile.setVersion(1, 3)
profile.setProfile(QSurfaceFormat.CompatibilityProfile)
self.m_functions = QOpenGLVersionFunctionsFactory.get(profile)
self.m_functions.initializeOpenGLFunctions()
print("GL_MAX_LIGHTS=", self.m_functions.glGetIntegerv(GL.GL_MAX_LIGHTS))
image = QImage(QSize(200, 200), QImage.Format_RGBA8888)
image.fill(QColor(Qt.red))
self.m_texture = QOpenGLTexture(image)
def paintGL(self):
self.m_functions.glMatrixMode(GL.GL_MODELVIEW)
self.m_functions.glLoadIdentity()
self.m_functions.glMatrixMode(GL.GL_PROJECTION)
self.m_functions.glLoadIdentity()
self.m_functions.glOrtho(0, 1, 1, 0, -1, 1)
self.m_functions.glClear(GL.GL_COLOR_BUFFER_BIT)
self.m_functions.glEnable(GL.GL_TEXTURE_2D)
self.m_texture.bind()
d = 0.5
self.m_functions.glBegin(GL.GL_QUADS)
self.m_functions.glTexCoord2f(0, 0)
self.m_functions.glVertex2f(0, 0)
self.m_functions.glTexCoord2f(d, 0)
self.m_functions.glVertex2f(d, 0)
self.m_functions.glTexCoord2f(d, d)
self.m_functions.glVertex2f(d, d)
self.m_functions.glTexCoord2f(0, d)
self.m_functions.glVertex2f(0, d)
self.m_functions.glEnd()
self.m_texture.release()
def resizeGL(self, w, h):
self.m_functions.glViewport(0, 0, self.width(), self.height())
class QOpenGLWindowTest(UsesQApplication):
# On macOS, glClear(), glViewport() are rejected due to GLbitfield/GLint not being resolved properly
def test(self):
openGlWindow = OpenGLWindow()
openGlWindow.resize(640, 480)
openGlWindow.show()
QTimer.singleShot(100, openGlWindow.close)
self.app.exec()
if __name__ == '__main__':
unittest.main()
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