void CompositorInstance::collectPasses(TargetOperation &finalState, CompositionTargetPass *target)
{
/// Here, passes are converted into render target operations
Pass *targetpass;
Technique *srctech;
MaterialPtr mat, srcmat;
CompositionTargetPass::PassIterator it = target->getPassIterator();
while(it.hasMoreElements())
{
CompositionPass *pass = it.getNext();
switch(pass->getType())
{
case CompositionPass::PT_CLEAR:
queueRenderSystemOp(finalState, new RSClearOperation(
pass->getClearBuffers(),
pass->getClearColour(),
pass->getClearDepth(),
pass->getClearStencil()
));
break;
case CompositionPass::PT_STENCIL:
queueRenderSystemOp(finalState, new RSStencilOperation(
pass->getStencilCheck(),pass->getStencilFunc(), pass->getStencilRefValue(),
pass->getStencilMask(), pass->getStencilFailOp(), pass->getStencilDepthFailOp(),
pass->getStencilPassOp(), pass->getStencilTwoSidedOperation()
));
break;
case CompositionPass::PT_RENDERSCENE:
if(pass->getFirstRenderQueue() < finalState.currentQueueGroupID)
{
/// Mismatch -- warn user
/// XXX We could support repeating the last queue, with some effort
LogManager::getSingleton().logMessage("Warning in compilation of Compositor "
+mCompositor->getName()+": Attempt to render queue "+
StringConverter::toString(pass->getFirstRenderQueue())+" before "+
StringConverter::toString(finalState.currentQueueGroupID));
}
/// Add render queues
for(int x=pass->getFirstRenderQueue(); x<=pass->getLastRenderQueue(); ++x)
{
assert(x>=0);
finalState.renderQueues.set(x);
}
finalState.currentQueueGroupID = pass->getLastRenderQueue()+1;
finalState.findVisibleObjects = true;
finalState.materialScheme = target->getMaterialScheme();
break;
case CompositionPass::PT_RENDERQUAD:
srcmat = pass->getMaterial();
if(srcmat.isNull())
{
/// No material -- warn user
LogManager::getSingleton().logMessage("Warning in compilation of Compositor "
+mCompositor->getName()+": No material defined for composition pass");
break;
}
srcmat->compile();
if(srcmat->getNumSupportedTechniques()==0)
{
/// No supported techniques -- warn user
LogManager::getSingleton().logMessage("Warning in compilation of Compositor "
+mCompositor->getName()+": material "+srcmat->getName()+" has no supported techniques");
break;
}
srctech = srcmat->getBestTechnique(0);
/// Create local material
MaterialPtr mat = createLocalMaterial();
/// Copy and adapt passes from source material
Technique::PassIterator i = srctech->getPassIterator();
while(i.hasMoreElements())
{
Pass *srcpass = i.getNext();
/// Create new target pass
targetpass = mat->getTechnique(0)->createPass();
(*targetpass) = (*srcpass);
/// Set up inputs
for(size_t x=0; x<pass->getNumInputs(); ++x)
{
String inp = pass->getInput(x);
if(!inp.empty())
{
if(x < targetpass->getNumTextureUnitStates())
{
targetpass->getTextureUnitState((ushort)x)->setTextureName(getSourceForTex(inp));
}
else
{
/// Texture unit not there
LogManager::getSingleton().logMessage("Warning in compilation of Compositor "
+mCompositor->getName()+": material "+srcmat->getName()+" texture unit "
+StringConverter::toString(x)+" out of bounds");
}
}
}
}
queueRenderSystemOp(finalState, new RSQuadOperation(this,pass->getIdentifier(),mat));
break;
}
}
}
void _init(void)
{
CompositorPtr compositor = CompositorManager::getSingleton().create(
_theType(), ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME);
CompositionTechnique *t;
CompositionTechnique::TextureDefinition *td;
CompositionTargetPass *tp;
CompositionPass *pass;
t = compositor->createTechnique();
td = t->createTextureDefinition("scene");
td->width.viewport = 1;
td->height.viewport = 1;
td->format = PF_X8R8G8B8;
td = t->createTextureDefinition("blur0");
td->width.viewport = 0.5;
td->height.viewport = 0.5;
td->format = PF_X8R8G8B8;
td = t->createTextureDefinition("blur1");
td->width.viewport = 0.5;
td->height.viewport = 0.5;
td->format = PF_X8R8G8B8;
tp = t->createTargetPass();
tp->setInputMode(CompositionTargetPass::IM_PREVIOUS);
tp->setOutputName("scene");
tp = t->createTargetPass();
tp->setInputMode(CompositionTargetPass::IM_NONE);
tp->setOutputName("blur0");
pass = tp->createPass();
pass->setType(CompositionPass::PT_RENDERQUAD);
pass->setMaterialName("PostFilters/Floodlighting/DownSample");
pass->setInput(0, "scene");
tp = t->createTargetPass();
tp->setInputMode(CompositionTargetPass::IM_NONE);
tp->setOutputName("blur1");
pass = tp->createPass();
pass->setType(CompositionPass::PT_RENDERQUAD);
pass->setMaterialName("PostFilters/Floodlighting/BlurHorizontal");
pass->setInput(0, "blur0");
tp = t->createTargetPass();
tp->setInputMode(CompositionTargetPass::IM_NONE);
tp->setOutputName("blur1");
pass = tp->createPass();
pass->setType(CompositionPass::PT_RENDERQUAD);
pass->setMaterialName("PostFilters/Floodlighting/BlurVertical");
pass->setInput(0, "blur0");
tp = t->getOutputTargetPass();
tp->setInputMode(CompositionTargetPass::IM_NONE);
pass = tp->createPass();
pass->setType(CompositionPass::PT_RENDERQUAD);
pass->setMaterialName("PostFilters/Floodlighting/Blend");
pass->setInput(0, "scene");
pass->setInput(1, "blur1");
pass->setIdentifier(0xDEADBADE);
mBlurAmount = 0.2f;
mShineAmount = 0.3f;
// receive default parameters from material script
if (!pass->getMaterial().isNull())
{
GpuProgramParametersSharedPtr parameters = pass->getMaterial()->getTechnique(0)->getPass(0)->getFragmentProgramParameters();
#if OGRE_VERSION >= 0x010300
const GpuConstantDefinition* def;
def = parameters->_findNamedConstantDefinition("blur_amount");
if (def)
parameters->_readRawConstants(def->physicalIndex, 1, &mBlurAmount);
def = parameters->_findNamedConstantDefinition("shine_amount");
if (def)
parameters->_readRawConstants(def->physicalIndex, 1, &mShineAmount);
#else
GpuProgramParameters::RealConstantEntry* entry;
entry = parameters->getNamedRealConstantEntry("blur_amount");
if (entry && entry->isSet)
mBlurAmount = entry->val[0];
entry = parameters->getNamedRealConstantEntry("shine_amount");
if (entry && entry->isSet)
mShineAmount = entry->val[0];
#endif
}
}
