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Don't render shadows if there are no quads

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This commit is contained in:
Martin Gräßlin 2011-06-26 12:00:08 +02:00
parent a9dcadfd33
commit bb8b92f93d
1 changed files with 3 additions and 0 deletions
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3
scene_opengl.cpp
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@ -665,6 +665,9 @@ void SceneOpenGL::Window::paintShadow(const QRegion &region, const WindowPaintDa
quads.append(data.quads.select(WindowQuadShadowBottom)); quads.append(data.quads.select(WindowQuadShadowBottom));
quads.append(data.quads.select(WindowQuadShadowBottomLeft)); quads.append(data.quads.select(WindowQuadShadowBottomLeft));
quads.append(data.quads.select(WindowQuadShadowLeft)); quads.append(data.quads.select(WindowQuadShadowLeft));
if (quads.isEmpty()) {
return;
}
GLTexture *texture = static_cast<SceneOpenGLShadow*>(m_shadow)->shadowTexture(); GLTexture *texture = static_cast<SceneOpenGLShadow*>(m_shadow)->shadowTexture();
if (!texture) { if (!texture) {
return; return;