Qt5OpenGL: fix transparency issue with framebuffer objects with old OpenGL API

2017-03-12 22:34:00 +01:00
parent f13538a016
commit 79f961ee9c
4 changed files with 10 additions and 3 deletions
--- a/src/Gui/SoFCOffscreenRenderer.cpp
+++ b/src/Gui/SoFCOffscreenRenderer.cpp
@@ -589,6 +589,8 @@ SoQtOffscreenRenderer::makeFrameBuffer(int width, int height, int samples)
    fmt.setAttachment(QtGLFramebufferObject::Depth);
 #if defined(HAVE_QT5_OPENGL)
    fmt.setInternalTextureFormat(GL_RGB32F_ARB);
+#else
+    fmt.setInternalTextureFormat(GL_RGB);
 #endif
 #else
    QtGLFramebufferObject::Attachment fmt;