//-----------------------------------------------------------------------
UniformParameterPtr ParameterFactory::createSamplerCUBE(int index)
{
return UniformParameterPtr(OGRE_NEW UniformParameter(GCT_SAMPLERCUBE, "gSamplerCUBE_" + StringConverter::toString(index),
Parameter::SPS_UNKNOWN, index,
Parameter::SPC_UNKNOWN,
(uint16)GPV_GLOBAL));
}
//-----------------------------------------------------------------------
UniformParameterPtr ParameterFactory::createUniform(GpuConstantType type,
int index, uint16 variability,
const String& suggestedName)
{
UniformParameterPtr param;
param = UniformParameterPtr(OGRE_NEW UniformParameter(type, suggestedName + StringConverter::toString(index),
Parameter::SPS_UNKNOWN, index,
Parameter::SPC_UNKNOWN, variability));
return param;
}
//-----------------------------------------------------------------------------
UniformParameterPtr Program::getParameterByAutoType(GpuProgramParameters::AutoConstantType autoType)
{
UniformParameterIterator it;
for (it = mParameters.begin(); it != mParameters.end(); ++it)
{
if ((*it)->isAutoConstantParameter() && (*it)->getAutoConstantType() == autoType)
{
return *it;
}
}
return UniformParameterPtr();
}
//-----------------------------------------------------------------------------
UniformParameterPtr Program::getParameterByName(const String& name)
{
UniformParameterIterator it;
for (it = mParameters.begin(); it != mParameters.end(); ++it)
{
if ((*it)->getName() == name)
{
return *it;
}
}
return UniformParameterPtr();
}
//-----------------------------------------------------------------------------
UniformParameterPtr Program::getParameterByType(GpuConstantType type, int index)
{
UniformParameterIterator it;
for (it = mParameters.begin(); it != mParameters.end(); ++it)
{
if ((*it)->getType() == type &&
(*it)->getIndex() == index)
{
return *it;
}
}
return UniformParameterPtr();
}
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 ParameterFactory::createSampler(GpuConstantType type, int index)
{
switch (type)
{
case GCT_SAMPLER1D:
return createSampler1D(index);
case GCT_SAMPLER2D:
return createSampler2D(index);
case GCT_SAMPLER3D:
return createSampler3D(index);
case GCT_SAMPLERCUBE:
return createSamplerCUBE(index);
default:
case GCT_SAMPLER1DSHADOW:
case GCT_SAMPLER2DSHADOW:
case GCT_MATRIX_2X2:
case GCT_MATRIX_2X3:
case GCT_MATRIX_2X4:
case GCT_MATRIX_3X2:
case GCT_MATRIX_3X3:
case GCT_MATRIX_3X4:
case GCT_MATRIX_4X2:
case GCT_MATRIX_4X3:
case GCT_MATRIX_4X4:
case GCT_INT1:
case GCT_INT2:
case GCT_INT3:
case GCT_INT4:
case GCT_UNKNOWN:
break;
}
return UniformParameterPtr();
}
//-----------------------------------------------------------------------------
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;
}
