Details
-
Bug
-
Resolution: Done
-
P2: Important
-
6.4.0
-
None
-
-
ba7a3b8d4a (qt/qtbase/dev) ba7a3b8d4a (qt/tqtc-qtbase/dev)
Description
Using Qt6.4.0-0-202205051700 the makeCurrent() call inside of resizeGL()
#include <QApplication> #include <QMainWindow> #include <QOpenGLFunctions_2_1> #include <QOpenGLWidget> class GL21Widget : public QOpenGLWidget, public QOpenGLFunctions_2_1 { void initializeGL() override { initializeOpenGLFunctions(); } void resizeGL(int width, int height) override { makeCurrent(); glMatrixMode(GL_PROJECTION); glLoadIdentity(); glOrtho(0.0, 1.0, 0.0, 1.0, 0.0, 1.0); } void paintGL() override { glClear(GL_COLOR_BUFFER_BIT); glPolygonMode(GL_FRONT_AND_BACK, GL_FILL); glBegin(GL_TRIANGLES); glColor3d(1.0, 0.0, 0.0); glVertex3d(0.5, 1.0, 0.0); glColor3d(0.0, 1.0, 0.0); glVertex3d(0.0, 0.0, 0.0); glColor3d(0.0, 0.0, 1.0); glVertex3d(1.0, 0.0, 0.0); glEnd(); } }; class GL21Window : public QMainWindow { public: GL21Window() { setCentralWidget(new GL21Widget{}); setGeometry(500, 200, 750, 750); show(); } }; int main(int argc, char* argv[]) { auto app = QApplication{argc, argv}; auto win = GL21Window{}; return QApplication::exec(); }
is needed now. This call should NOT be needed.