本文整理汇总了C++中ogre::GpuProgramParametersSharedPtr::getConstantDefinition方法的典型用法代码示例。如果您正苦于以下问题：C++ GpuProgramParametersSharedPtr::getConstantDefinition方法的具体用法？C++ GpuProgramParametersSharedPtr::getConstantDefinition怎么用？C++ GpuProgramParametersSharedPtr::getConstantDefinition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::getConstantDefinition方法的1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: frameRenderingQueued
bool frameRenderingQueued(const FrameEvent& evt)
{
Real seconds = (Real)(Root::getSingleton().getTimer()->getMilliseconds()) / 1000.0;
Pass* renderPass = mOgreEnt->getSubEntity(0)->getMaterial()->getTechnique(0)->getPass(0);
if (renderPass->hasFragmentProgram())
{
Ogre::GpuProgramParametersSharedPtr pParams = renderPass->getFragmentProgramParameters();
if ( pParams.isNull() )
{
//printf("SAD PANDA!");
}
else
{
if ( pParams->_findNamedConstantDefinition( "ColourMe[0]" ) )
{
Vector4 constParam = Ogre::Vector4(0.5, 0.1, 0.0, 1.0);
renderPass->getFragmentProgramParameters()->setNamedConstant("ColourMe[0]", constParam);
Vector4 timeParam = Ogre::Vector4(
Ogre::Math::Sin(seconds)*0.5, 0.0, Ogre::Math::Cos(seconds)*0.5, 0.0);
renderPass->getFragmentProgramParameters()->setNamedConstant("ColourMe[1]", timeParam);
}
const Ogre::GpuConstantDefinition* atom_counter_def;
if ( (atom_counter_def = &pParams->getConstantDefinition("atom_counter")) )
{
//TODO lock buffer, retrieve counter value similar to compute above
//const uint* counter = pParams->getUnsignedIntPointer(atom_counter_def->physicalIndex);
//const uint* counter2 = ;
//std::cout << "FOUND THE ATOMS: " << *counter << " " << std::endl; //<< *counter2 << std::endl;
}
}
}
// renderPass->getFragmentProgramParameters()->getConstantDefinition("atom_counter").getValue();
return SdkSample::frameRenderingQueued(evt);
}