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Cache the matrix for cube cap mirroring

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This commit is contained in:
Martin Gräßlin 2011-01-01 19:34:16 +01:00
parent fe614119e5
commit 802dd6b5fe
2 changed files with 4 additions and 4 deletions
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7
effects/cube/cube.cpp
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@ -99,6 +99,8 @@ CubeEffect::CubeEffect()
m_reflectionShader = ShaderManager::instance()->loadFragmentShader(ShaderManager::GenericShader, fragmentshader);
const QString capshader = KGlobal::dirs()->findResource("data", "kwin/cube-cap.glsl");
m_capShader = ShaderManager::instance()->loadFragmentShader(ShaderManager::GenericShader, capshader);
m_textureMirrorMatrix.scale(1.0, -1.0, 1.0);
m_textureMirrorMatrix.translate(0.0, -1.0, 0.0);
reconfigure( ReconfigureAll );
}
@ -819,11 +821,8 @@ void CubeEffect::paintCap(bool frontFirst, float zOffset)
#ifndef KWIN_HAVE_OPENGLES
glMatrixMode( GL_TEXTURE );
#endif
QMatrix4x4 textureMirrorMatrix;
textureMirrorMatrix.scale(1.0, -1.0, 1.0);
textureMirrorMatrix.translate(0.0, -1.0, 0.0);
pushMatrix();
loadMatrix(textureMirrorMatrix);
loadMatrix(m_textureMirrorMatrix);
#ifndef KWIN_HAVE_OPENGLES
glMatrixMode( GL_MODELVIEW );

1
effects/cube/cube.h
View file

@ -167,6 +167,7 @@ class CubeEffect
QMatrix4x4 m_rotationMatrix;
QMatrix4x4 m_reflectionMatrix;
QMatrix4x4 m_textureMirrorMatrix;
GLVertexBuffer *m_cubeCapBuffer;
// Shortcuts - needed to toggle the effect