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cube example: always set required state in paintGL

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...instead of expecting whatever was set in initializeGL will persist.

Task-number: QTBUG-111304
Pick-to: 6.5 6.4
Change-Id: Ifcf75a3df9bed6a45d2e9264a5e3f32504b42313
Reviewed-by: Morten Johan Sørvig <morten.sorvig@qt.io>
Reviewed-by: Lorn Potter <lorn.potter@gmail.com>
This commit is contained in:
Laszlo Agocs 2023-04-18 13:57:45 +02:00
parent 84f9293ea2
commit 25fcded977
1 changed files with 8 additions and 8 deletions
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16
examples/opengl/cube/mainwidget.cpp
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@ -72,14 +72,6 @@ void MainWidget::initializeGL()
initShaders(); initShaders();
initTextures(); initTextures();
//! [2]
// Enable depth buffer
glEnable(GL_DEPTH_TEST);
// Enable back face culling
glEnable(GL_CULL_FACE);
//! [2]
geometries = new GeometryEngine; geometries = new GeometryEngine;
// Use QBasicTimer because its faster than QTimer // Use QBasicTimer because its faster than QTimer
@ -147,6 +139,14 @@ void MainWidget::paintGL()
// Clear color and depth buffer // Clear color and depth buffer
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
//! [2]
// Enable depth buffer
glEnable(GL_DEPTH_TEST);
// Enable back face culling
glEnable(GL_CULL_FACE);
//! [2]
texture->bind(); texture->bind();
program.bind(); program.bind();