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[effects] Adjust Cube to use shader traits shader for window rendering

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Main change is that the rotation for each face of the cube is now
done through a QMatrix4x4 instead of specifying through ScreenPaintData.
This commit is contained in:
Martin Gräßlin 2015-12-01 11:24:53 +01:00
parent b366f0ac01
commit 6e35aded0b
2 changed files with 22 additions and 23 deletions
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44
effects/cube/cube.cpp
View file

@ -693,12 +693,14 @@ void CubeEffect::paintCube(int mask, QRegion region, ScreenPaintData& data)
if (painting_desktop == 0) {
painting_desktop = effects->numberOfDesktops();
}
ScreenPaintData newData = data;
newData.setRotationAxis(Qt::YAxis);
newData.setRotationAngle(internalCubeAngle * i);
newData.setRotationOrigin(QVector3D(rect.width() / 2, 0.0, -point));
newData.setZTranslation(-zTranslate);
effects->paintScreen(mask, region, newData);
QMatrix4x4 matrix;
matrix.translate(0, 0, -zTranslate);
const QVector3D origin(rect.width() / 2, 0.0, -point);
matrix.translate(origin);
matrix.rotate(internalCubeAngle * i, 0, 1, 0);
matrix.translate(-origin);
m_currentFaceMatrix = matrix;
effects->paintScreen(mask, region, data);
}
cube_painting = false;
painting_desktop = effects->currentDesktop();
@ -1222,11 +1224,8 @@ void CubeEffect::prePaintWindow(EffectWindow* w, WindowPrePaintData& data, int t
void CubeEffect::paintWindow(EffectWindow* w, int mask, QRegion region, WindowPaintData& data)
{
ShaderManager *shaderManager = ShaderManager::instance();
GLShader *shader = NULL;
QMatrix4x4 origMatrix;
if (activated && cube_painting) {
region= infiniteRegion(); // we need to explicitly prevent any clipping, bug #325432
shader = shaderManager->pushShader(ShaderManager::GenericShader);
//qCDebug(KWINEFFECTS) << w->caption();
float opacity = cubeOpacity;
if (start) {
@ -1344,8 +1343,7 @@ void CubeEffect::paintWindow(EffectWindow* w, int mask, QRegion region, WindowPa
}
data.quads = new_quads;
}
origMatrix = shader->getUniformMatrix4x4("screenTransformation");
GLShader *currentShader = shader;
GLShader *currentShader = nullptr;
if (mode == Cylinder) {
shaderManager->pushShader(cylinderShader);
cylinderShader->setUniform("xCoord", (float)w->x());
@ -1370,21 +1368,21 @@ void CubeEffect::paintWindow(EffectWindow* w, int mask, QRegion region, WindowPa
sphereShader->setUniform("timeLine", factor);
currentShader = sphereShader;
}
if (reflectionPainting) {
currentShader->setUniform(GLShader::ScreenTransformation, m_reflectionMatrix * m_rotationMatrix * origMatrix);
} else {
currentShader->setUniform(GLShader::ScreenTransformation, m_rotationMatrix*origMatrix);
}
if (currentShader) {
data.shader = currentShader;
}
data.setProjectionMatrix(data.screenProjectionMatrix());
if (reflectionPainting) {
data.setModelViewMatrix(m_reflectionMatrix * m_rotationMatrix * m_currentFaceMatrix);
} else {
data.setModelViewMatrix(m_rotationMatrix * m_currentFaceMatrix);
}
}
effects->paintWindow(w, mask, region, data);
if (activated && cube_painting) {
if (mode == Cylinder || mode == Sphere) {
shaderManager->popShader();
} else {
shader->setUniform(GLShader::ScreenTransformation, origMatrix);
}
shaderManager->popShader();
if (w->isDesktop() && effects->numScreens() > 1 && paintCaps) {
QRect rect = effects->clientArea(FullArea, activeScreen, painting_desktop);
QRegion paint = QRegion(rect);
@ -1426,17 +1424,17 @@ void CubeEffect::paintWindow(EffectWindow* w, int mask, QRegion region, WindowPa
}
bool capShader = false;
if (effects->compositingType() == OpenGL2Compositing && m_capShader && m_capShader->isValid()) {
// FIXME: needs projection being passed through to WindowPaintData
capShader = true;
ShaderManager::instance()->pushShader(m_capShader);
m_capShader->setUniform("u_mirror", 0);
m_capShader->setUniform("u_untextured", 1);
QMatrix4x4 mvp = data.screenProjectionMatrix();
if (reflectionPainting) {
m_capShader->setUniform(GLShader::ScreenTransformation, m_reflectionMatrix * m_rotationMatrix * origMatrix);
mvp = mvp * m_reflectionMatrix * m_rotationMatrix * m_currentFaceMatrix;
} else {
m_capShader->setUniform(GLShader::ScreenTransformation, m_rotationMatrix * origMatrix);
mvp = mvp * m_rotationMatrix * m_currentFaceMatrix;
}
m_capShader->setUniform(GLShader::WindowTransformation, QMatrix4x4());
m_capShader->setUniform(GLShader::ModelViewProjectionMatrix, mvp);
}
GLVertexBuffer *vbo = GLVertexBuffer::streamingBuffer();
vbo->reset();

1
effects/cube/cube.h
View file

@ -237,6 +237,7 @@ private:
QMatrix4x4 m_rotationMatrix;
QMatrix4x4 m_reflectionMatrix;
QMatrix4x4 m_textureMirrorMatrix;
QMatrix4x4 m_currentFaceMatrix;
GLVertexBuffer *m_cubeCapBuffer;
// Shortcuts - needed to toggle the effect