//-----------------------------------------------------------------------------
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;
							}
						}
					}
				}											
			}		
		}			
	}
}
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//-----------------------------------------------------------------------------
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;
}