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Blending is also useful in legacy mode...

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This commit is contained in:
Martin Gräßlin 2011-01-01 17:57:09 +01:00
parent 8d196da880
commit db7a072c2b
1 changed files with 3 additions and 3 deletions
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6
effects/cube/cube.cpp
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@ -522,11 +522,11 @@ void CubeEffect::paintScreen( int mask, QRegion region, ScreenPaintData& data )
alpha = 0.3 + 0.4 * timeLine.value();
if( stop )
alpha = 0.3 + 0.4 * ( 1.0 - timeLine.value() );
glEnable( GL_BLEND );
glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
ShaderManager *shaderManager = ShaderManager::instance();
if (shaderManager->isValid() && m_reflectionShader->isValid()) {
// ensure blending is enabled - no attribute stack
glEnable( GL_BLEND );
glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
shaderManager->pushShader(m_reflectionShader);
QMatrix4x4 windowTransformation;
windowTransformation.translate(rect.x() + rect.width()*0.5f, 0.0, 0.0);
@ -554,7 +554,6 @@ void CubeEffect::paintScreen( int mask, QRegion region, ScreenPaintData& data )
vbo->render(GL_TRIANGLES);
shaderManager->popShader();
glDisable( GL_BLEND );
} else {
#ifndef KWIN_HAVE_OPENGLES
glColor4f( 0.0, 0.0, 0.0, alpha );
@ -572,6 +571,7 @@ void CubeEffect::paintScreen( int mask, QRegion region, ScreenPaintData& data )
glPopMatrix();
#endif
}
glDisable( GL_BLEND );
PaintClipper::pop( QRegion( rect ));
}
glEnable( GL_CULL_FACE );