UniformParameterPtr Program::resolveParameter(GpuProgramParameters::AutoConstantType autoType, size_t data)
{
UniformParameterPtr param;
// Check if parameter already exists.
param = getParameterByAutoType(autoType);
if (param)
{
return param;
}
// Create new parameter
size_t size = 0;
if(isArray(autoType)) std::swap(size, data); // for array autotypes the extra parameter is the size
param = UniformParameterPtr(OGRE_NEW UniformParameter(autoType, data, size));
addParameter(param);
return param;
}
//-----------------------------------------------------------------------------
UniformParameterPtr Program::resolveAutoParameterInt(GpuProgramParameters::AutoConstantType autoType, GpuConstantType type,
size_t data, size_t size)
{
UniformParameterPtr param;
// Check if parameter already exists.
param = getParameterByAutoType(autoType);
if (param.get() != NULL)
{
if (param->isAutoConstantIntParameter() &&
param->getAutoConstantIntData() == 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;
}