本文整理汇总了C++中ogre::GpuProgramParametersSharedPtr::_readRawConstants方法的典型用法代码示例。如果您正苦于以下问题：C++ GpuProgramParametersSharedPtr::_readRawConstants方法的具体用法？C++ GpuProgramParametersSharedPtr::_readRawConstants怎么用？C++ GpuProgramParametersSharedPtr::_readRawConstants使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类ogre::GpuProgramParametersSharedPtr的用法示例。
在下文中一共展示了GpuProgramParametersSharedPtr::_readRawConstants方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1:
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;
}示例2: CreateProperties
bool OgreMaterialProperties::CreateProperties()
{
Ogre::MaterialPtr matPtr = material_->GetMaterial();
if (matPtr.isNull())
return false;
// Material
Ogre::Material::TechniqueIterator tIter = matPtr->getTechniqueIterator();
while(tIter.hasMoreElements())
{
// Technique
Ogre::Technique *tech = tIter.getNext();
Ogre::Technique::PassIterator pIter = tech->getPassIterator();
while(pIter.hasMoreElements())
{
// Pass
Ogre::Pass *pass = pIter.getNext();
if (!pass)
continue;
if(pass->hasVertexProgram())
{
// Vertex program
const Ogre::GpuProgramPtr &verProg = pass->getVertexProgram();
if (!verProg.isNull())
{
Ogre::GpuProgramParametersSharedPtr verPtr = pass->getVertexProgramParameters();
if (verPtr->hasNamedParameters())
{
// Named parameters (constants)
Ogre::GpuConstantDefinitionIterator mapIter = verPtr->getConstantDefinitionIterator();
while(mapIter.hasMoreElements())
{
QString paramName = mapIter.peekNextKey().c_str();
const Ogre::GpuConstantDefinition ¶mDef = mapIter.getNext();
// Filter names that end with '[0]'
int found = paramName.indexOf("[0]");
if (found != -1)
continue;
// Ignore auto parameters
bool is_auto_param = false;
Ogre::GpuProgramParameters::AutoConstantIterator autoConstIter = verPtr->getAutoConstantIterator();
while(autoConstIter.hasMoreElements())
{
Ogre::GpuProgramParameters::AutoConstantEntry autoConstEnt = autoConstIter.getNext();
if (autoConstEnt.physicalIndex == paramDef.physicalIndex)
{
is_auto_param = true;
break;
}
}
if (is_auto_param)
continue;
if (!paramDef.isFloat())
continue;
size_t count = paramDef.elementSize * paramDef.arraySize;
QVector<float> paramValue;
QVector<float>::iterator iter;
paramValue.resize(count);
verPtr->_readRawConstants(paramDef.physicalIndex, count, &*paramValue.begin());
QTextStream vector_string;
QString string;
vector_string.setString(&string, QIODevice::WriteOnly);
for(iter = paramValue.begin(); iter != paramValue.end(); ++iter)
vector_string << *iter << " ";
// Add QPROPERTY. Add to "VP" to the end of the parameter name in order to identify VP parameters.
QMap<QString, QVariant> typeValuePair;
typeValuePair[GpuConstantTypeToString(paramDef.constType)] = *vector_string.string();
setProperty(paramName.append(" VP").toLatin1(), QVariant(typeValuePair));
}
}
}
}
if(pass->hasFragmentProgram())
{
// Fragment program
const Ogre::GpuProgramPtr fragProg = pass->getFragmentProgram();
if (!fragProg.isNull())
{
Ogre::GpuProgramParametersSharedPtr fragPtr = pass->getFragmentProgramParameters();
if (!fragPtr.isNull())
{
if (fragPtr->hasNamedParameters())
{
// Named parameters (constants)
Ogre::GpuConstantDefinitionIterator mapIter = fragPtr->getConstantDefinitionIterator();
while(mapIter.hasMoreElements())
{
QString paramName = mapIter.peekNextKey().c_str();
const Ogre::GpuConstantDefinition ¶mDef = mapIter.getNext();
//.........这里部分代码省略.........