vitalif
/
kwin
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Safety checks in cube and coverswitch if shaders are not available 

Do not try to load the shaders if using the OpenGL1 compositor - it
might crash the driver.

REVIEW: 110798
icc-effect-5.14.5
Martin Gräßlin 2013-06-03 10:38:04 +02:00
parent aa92d2dbd9
commit 2657476db0
2 changed files with 25 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
effects/coverswitch/coverswitch.cpp
View File

@ -67,16 +67,20 @@ CoverSwitchEffect::CoverSwitchEffect()
captionFont.setBold(true);
captionFont.setPointSize(captionFont.pointSize() * 2);
QString shadersDir = "kwin/shaders/1.10/";
if (effects->compositingType() == OpenGL2Compositing) {
QString shadersDir = "kwin/shaders/1.10/";
#ifdef KWIN_HAVE_OPENGLES
const qint64 coreVersionNumber = kVersionNumber(3, 0);
const qint64 coreVersionNumber = kVersionNumber(3, 0);
#else
const qint64 coreVersionNumber = kVersionNumber(1, 40);
const qint64 coreVersionNumber = kVersionNumber(1, 40);
#endif
if (GLPlatform::instance()->glslVersion() >= coreVersionNumber)
shadersDir = "kwin/shaders/1.40/";
const QString fragmentshader = KGlobal::dirs()->findResource("data", shadersDir + "coverswitch-reflection.glsl");
m_reflectionShader = ShaderManager::instance()->loadFragmentShader(ShaderManager::GenericShader, fragmentshader);
if (GLPlatform::instance()->glslVersion() >= coreVersionNumber)
shadersDir = "kwin/shaders/1.40/";
const QString fragmentshader = KGlobal::dirs()->findResource("data", shadersDir + "coverswitch-reflection.glsl");
m_reflectionShader = ShaderManager::instance()->loadFragmentShader(ShaderManager::GenericShader, fragmentshader);
} else {
m_reflectionShader = NULL;
}
connect(effects, SIGNAL(windowClosed(KWin::EffectWindow*)), this, SLOT(slotWindowClosed(KWin::EffectWindow*)));
connect(effects, SIGNAL(tabBoxAdded(int)), this, SLOT(slotTabBoxAdded(int)));
connect(effects, SIGNAL(tabBoxClosed()), this, SLOT(slotTabBoxClosed()));
@ -309,7 +313,7 @@ void CoverSwitchEffect::paintScreen(int mask, QRegion region, ScreenPaintData& d
glScissor(area.x(), y, area.width(), area.height());
glEnable(GL_SCISSOR_TEST);
if (shaderManager->isValid() && m_reflectionShader->isValid()) {
if (shaderManager->isValid() && m_reflectionShader && m_reflectionShader->isValid()) {
shaderManager->pushShader(m_reflectionShader);
QMatrix4x4 windowTransformation;
windowTransformation.translate(area.x() + area.width() * 0.5f, 0.0, 0.0);

21
effects/cube/cube.cpp
View File

@ -108,10 +108,15 @@ CubeEffect::CubeEffect()
if (GLPlatform::instance()->glslVersion() >= coreVersionNumber)
m_shadersDir = "kwin/shaders/1.40/";
const QString fragmentshader = KGlobal::dirs()->findResource("data", m_shadersDir + "cube-reflection.glsl");
m_reflectionShader = ShaderManager::instance()->loadFragmentShader(ShaderManager::GenericShader, fragmentshader);
const QString capshader = KGlobal::dirs()->findResource("data", m_shadersDir + "cube-cap.glsl");
m_capShader = ShaderManager::instance()->loadFragmentShader(ShaderManager::GenericShader, capshader);
if (effects->compositingType() == OpenGL2Compositing) {
const QString fragmentshader = KGlobal::dirs()->findResource("data", m_shadersDir + "cube-reflection.glsl");
m_reflectionShader = ShaderManager::instance()->loadFragmentShader(ShaderManager::GenericShader, fragmentshader);
const QString capshader = KGlobal::dirs()->findResource("data", m_shadersDir + "cube-cap.glsl");
m_capShader = ShaderManager::instance()->loadFragmentShader(ShaderManager::GenericShader, capshader);
} else {
m_reflectionShader = NULL;
m_capShader = NULL;
}
m_textureMirrorMatrix.scale(1.0, -1.0, 1.0);
m_textureMirrorMatrix.translate(0.0, -1.0, 0.0);
connect(effects, SIGNAL(tabBoxAdded(int)), this, SLOT(slotTabBoxAdded(int)));
@ -219,7 +224,7 @@ void CubeEffect::reconfigure(ReconfigureFlags)
}
// set the cap color on the shader
if (m_capShader->isValid()) {
if (m_capShader && m_capShader->isValid()) {
ShaderBinder binder(m_capShader);
m_capShader->setUniform("u_capColor", capColor);
}
@ -485,7 +490,7 @@ void CubeEffect::paintScreen(int mask, QRegion region, ScreenPaintData& data)
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
ShaderManager *shaderManager = ShaderManager::instance();
if (shaderManager->isValid() && m_reflectionShader->isValid()) {
if (shaderManager->isValid() && m_reflectionShader && m_reflectionShader->isValid()) {
// ensure blending is enabled - no attribute stack
ShaderBinder binder(m_reflectionShader);
QMatrix4x4 windowTransformation;
@ -771,7 +776,7 @@ void CubeEffect::paintCap(bool frontFirst, float zOffset)
}
bool capShader = false;
if (effects->compositingType() == OpenGL2Compositing && m_capShader->isValid()) {
if (effects->compositingType() == OpenGL2Compositing && m_capShader && m_capShader->isValid()) {
capShader = true;
ShaderManager::instance()->pushShader(m_capShader);
float opacity = cubeOpacity;
@ -1544,7 +1549,7 @@ void CubeEffect::paintWindow(EffectWindow* w, int mask, QRegion region, WindowPa
}
}
bool capShader = false;
if (effects->compositingType() == OpenGL2Compositing && m_capShader->isValid()) {
if (effects->compositingType() == OpenGL2Compositing && m_capShader && m_capShader->isValid()) {
capShader = true;
ShaderManager::instance()->pushShader(m_capShader);
m_capShader->setUniform("u_mirror", 0);