//-----------------------------------------------------------------------------
void ProgramProcessor::bindAutoParameters(Program* pCpuProgram, GpuProgramPtr pGpuProgram)
{
GpuProgramParametersSharedPtr pGpuParams = pGpuProgram->getDefaultParameters();
const UniformParameterList& progParams = pCpuProgram->getParameters();
UniformParameterConstIterator itParams;
for (itParams=progParams.begin(); itParams != progParams.end(); ++itParams)
{
const UniformParameterPtr pCurParam = *itParams;
const GpuConstantDefinition* gpuConstDef = pGpuParams->_findNamedConstantDefinition(pCurParam->getName());
if (gpuConstDef != NULL)
{
// Handle auto parameters.
if (pCurParam->isAutoConstantParameter())
{
if (pCurParam->isAutoConstantRealParameter())
{
pGpuParams->setNamedAutoConstantReal(pCurParam->getName(),
pCurParam->getAutoConstantType(),
pCurParam->getAutoConstantRealData());
}
else if (pCurParam->isAutoConstantIntParameter())
{
pGpuParams->setNamedAutoConstant(pCurParam->getName(),
pCurParam->getAutoConstantType(),
pCurParam->getAutoConstantIntData());
}
}
// Case this is not auto constant - we have to update its variability ourself.
else
{
gpuConstDef->variability |= pCurParam->getVariability();
// Update variability in the float map.
if (gpuConstDef->isSampler() == false)
{
GpuLogicalBufferStructPtr floatLogical = pGpuParams->getFloatLogicalBufferStruct();
if (floatLogical.get())
{
for (GpuLogicalIndexUseMap::const_iterator i = floatLogical->map.begin(); i != floatLogical->map.end(); ++i)
{
if (i->second.physicalIndex == gpuConstDef->physicalIndex)
{
i->second.variability |= gpuConstDef->variability;
break;
}
}
}
}
}
}
}
}
//-----------------------------------------------------------------------------
UniformParameterPtr Program::resolveAutoParameterReal(GpuProgramParameters::AutoConstantType autoType, GpuConstantType type,
Real data, size_t size)
{
UniformParameterPtr param;
// Check if parameter already exists.
param = getParameterByAutoType(autoType);
if (param.get() != NULL)
{
if (param->isAutoConstantRealParameter() &&
param->getAutoConstantRealData() == data)
{
param->setSize(std::max(size, param->getSize()));
return param;
}
}
// Create new parameter.
param = UniformParameterPtr(OGRE_NEW UniformParameter(autoType, data, size, type));
addParameter(param);
return param;
}
