bool MainCamera::validateCompositionTargetPass(Ogre::CompositionTargetPass& compositionPass)
{
Ogre::CompositionTargetPass::PassIterator compPassIter = compositionPass.getPassIterator();
while (compPassIter.hasMoreElements()) {
Ogre::CompositionPass* compositorPass = compPassIter.getNext();
compositorPass->getMaterial()->load();
Ogre::Material::TechniqueIterator techIter = compositorPass->getMaterial()->getSupportedTechniqueIterator();
while (techIter.hasMoreElements()) {
Ogre::Technique::PassIterator _passIter = techIter.getNext()->getPassIterator();
while (_passIter.hasMoreElements()) {
Ogre::Pass* pass = _passIter.getNext();
//Also disallow camera polygon mode overide. This is because if it's turned on,
//and the camera is switched to polygon mode, the end result will be one single
//large polygon being shown. This is not what we want.
pass->setPolygonModeOverrideable(false);
if (pass->hasFragmentProgram()) {
if (pass->getFragmentProgram()->hasCompileError()) {
return false;
}
}
}
}
}
return true;
}
void CompositionHandler::SetCompositorTargetParameters(Ogre::CompositionTargetPass *target, const QList< std::pair<std::string, Ogre::Vector4> > &source) const
{
if (target)
for(uint p=0 ; p<target->getNumPasses() ; ++p)
{
Ogre::CompositionPass *pass = target->getPass(p);
if (pass)
SetMaterialParameters(pass->getMaterial(), source);
}
}
KBOOL Kylin::EffectFade::Initialize()
{
Ogre::CompositorPtr spCompositor = Ogre::CompositorManager::getSingleton().create(
m_sName, Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME
);
Ogre::CompositionTechnique *t;
Ogre::CompositionTechnique::TextureDefinition *td;
Ogre::CompositionTargetPass *tp;
Ogre::CompositionPass *pass;
t = spCompositor->createTechnique();
td = t->createTextureDefinition("scene");
td->width = 1;
td->height = 1;
td->formatList.push_back(Ogre::PF_X8R8G8B8);
tp = t->createTargetPass();
tp->setInputMode(Ogre::CompositionTargetPass::IM_PREVIOUS);
tp->setOutputName("scene");
tp = t->getOutputTargetPass();
tp->setInputMode(Ogre::CompositionTargetPass::IM_NONE);
pass = tp->createPass();
pass->setType(Ogre::CompositionPass::PT_RENDERQUAD);
pass->setMaterialName("PostFilters/Fade");
pass->setInput(0, "scene");
pass->setIdentifier(0xDEADBADE);
// receive default parameters from material script
m_fColourAmount = 0;
m_fGrayAmount = 1;
if (!pass->getMaterial().isNull())
{
Ogre::GpuProgramParametersSharedPtr parameters = pass->getMaterial()->getTechnique(0)->getPass(0)->getFragmentProgramParameters();
/*#if OGRE_VERSION >= 0x010300*/
const Ogre::GpuConstantDefinition* def;
def = parameters->_findNamedConstantDefinition("colour_amount");
if (def)
parameters->_readRawConstants(def->physicalIndex, 1, &m_fColourAmount);
def = parameters->_findNamedConstantDefinition("gray_amount");
if (def)
parameters->_readRawConstants(def->physicalIndex, 1, &m_fGrayAmount);
// #else
// GpuProgramParameters::RealConstantEntry* entry;
//
// entry = parameters->getNamedRealConstantEntry("colour_amount");
// if (entry && entry->isSet)
// m_fColourAmount = entry->val[0];
//
// entry = parameters->getNamedRealConstantEntry("gray_amount");
// if (entry && entry->isSet)
// m_fGrayAmount = entry->val[0];
// #endif
}
KBOOL bRet = EffectCompositor::Initialize();
if (bRet)
m_pCompositor->addListener(this);
return bRet;
}
