//-----------------------------------------------------------------------
bool FFPTexturing::preAddToRenderState(const RenderState* renderState, Pass* srcPass, Pass* dstPass)
{
//count the number of texture units we need to process
size_t validTexUnits = 0;
for (unsigned short i=0; i < srcPass->getNumTextureUnitStates(); ++i)
{
if (isProcessingNeeded(srcPass->getTextureUnitState(i)))
{
++validTexUnits;
}
}
setTextureUnitCount(validTexUnits);
// Build texture stage sub states.
for (unsigned short i=0; i < srcPass->getNumTextureUnitStates(); ++i)
{
TextureUnitState* texUnitState = srcPass->getTextureUnitState(i);
if (isProcessingNeeded(texUnitState))
{
setTextureUnit(i, texUnitState);
}
}
return true;
}
//-----------------------------------------------------------------------
void FFPTexturing::copyFrom(const SubRenderState& rhs)
{
const FFPTexturing& rhsTexture = static_cast<const FFPTexturing&>(rhs);
setTextureUnitCount(rhsTexture.getTextureUnitCount());
for (unsigned int i=0; i < rhsTexture.getTextureUnitCount(); ++i)
{
setTextureUnit(i, rhsTexture.mTextureUnitParamsList[i].mTextureUnitState);
}
}
//-----------------------------------------------------------------------
bool FFPTexturing::preAddToRenderState(RenderState* renderState, Pass* srcPass, Pass* dstPass)
{
setTextureUnitCount(srcPass->getNumTextureUnitStates());
// Build texture stage sub states.
for (unsigned short i=0; i < srcPass->getNumTextureUnitStates(); ++i)
{
TextureUnitState* texUnitState = srcPass->getTextureUnitState(i);
setTextureUnit(i, texUnitState);
}
return true;
}