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pass on the multiple target results

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The changes to pass on the results for each target to the children of that posteffect
This commit is contained in:
marauder2k7 2026-04-19 17:36:54 +01:00
parent 60e659aedc
commit d33edb051c
5 changed files with 43 additions and 35 deletions
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63
Engine/source/postFx/postEffect.cpp
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@ -1169,7 +1169,10 @@ void PostEffect::_setupConstants( const SceneRenderState *state )
}
}
void PostEffect::_setupTexture( U32 stage, GFXTexHandle &inputTex, const RectI *inTexViewport )
void PostEffect::_setupTexture(U32 stage,
GFXTexHandle* inputTex,
U32 inputTexCount,
const RectI* inTexViewport)
{
const String &texFilename = mTextureAsset[stage].notNull() ? mTextureAsset[stage]->getImageFile() : "";
@ -1178,17 +1181,17 @@ void PostEffect::_setupTexture( U32 stage, GFXTexHandle &inputTex, const RectI *
RectI viewport = GFX->getViewport();
if ( _inTexSlotFromName(texFilename) >= 0 )
S32 inSlot = _inTexSlotFromName(texFilename);
if (inSlot >= 0)
{
theTex = inputTex;
if ((U32)inSlot < inputTexCount)
{
theTex = inputTex[inSlot];
if ( inTexViewport )
{
viewport = *inTexViewport;
}
else if ( theTex )
{
viewport.set( 0, 0, theTex->getWidth(), theTex->getHeight() );
if (inSlot == 0 && inTexViewport)
viewport = *inTexViewport;
else if (theTex)
viewport.set(0, 0, theTex->getWidth(), theTex->getHeight());
}
}
else if ( texFilename.compare( "$backBuffer", 0, String::NoCase ) == 0 )
@ -1432,9 +1435,10 @@ void PostEffect::_cleanTargets( bool recurse )
}
}
void PostEffect::process( const SceneRenderState *state,
GFXTexHandle& inOutTex,
const RectI *inTexViewport )
void PostEffect::process( const SceneRenderState* state,
GFXTexHandle* inOutTex,
U32 inOutTexCount,
const RectI* inTexViewport)
{
// If the shader is forced to be skipped... then skip.
if ( mSkip )
@ -1470,11 +1474,16 @@ void PostEffect::process( const SceneRenderState *state,
}
GFXTransformSaver saver;
GFXTexHandle chain[NumMRTTargets];
U32 texCount = getMin(inOutTexCount, (U32)NumMRTTargets);
for (U32 c = 0; c < texCount; c++)
chain[c] = inOutTex[c];
// Set the textures.
for (U32 i = 0; i < NumTextures; i++)
{
if (mTextureType[i] == NormalTextureType)
_setupTexture(i, inOutTex, inTexViewport);
_setupTexture(i, chain, texCount, inTexViewport);
else if (mTextureType[i] == CubemapType)
_setupCubemapTexture(i, mCubemapTextures[i]);
else if (mTextureType[i] == CubemapArrayType)
@ -1490,12 +1499,13 @@ void PostEffect::process( const SceneRenderState *state,
const bool hasDepth = mTargetDepthStencil.isValid();
bool hasColorTarget = false;
U32 curTargetCount = 0;
for (U32 c = 0; c < NumMRTTargets; c++)
{
if (mTargetTex[c].isValid())
{
hasColorTarget = true;
break;
curTargetCount++;
}
}
@ -1621,9 +1631,11 @@ void PostEffect::process( const SceneRenderState *state,
PFXMGR->releaseBackBufferTex();
}
inOutTex = mTargetTex[0];
for (U32 c = 0; c < NumMRTTargets; c++)
{
if (c < texCount)
chain[c] = mTargetTex[c];
if (!mNamedTarget[c].isRegistered())
mTargetTex[c] = NULL;
}
@ -1632,12 +1644,13 @@ void PostEffect::process( const SceneRenderState *state,
// are processed as it screws up the viewport.
saver.restore();
const U32 nextTexCount = getMax(getMax(texCount, curTargetCount), 1u);
// Now process my children.
iterator i = begin();
for ( ; i != end(); i++ )
{
PostEffect *effect = static_cast<PostEffect*>(*i);
effect->process( state, inOutTex );
effect->process( state, chain, nextTexCount);
}
if ( mOneFrameOnly )
@ -2048,19 +2061,13 @@ void PostEffect::clearShaderMacros()
mUpdateShader = true;
}
GFXTextureObject* PostEffect::_getTargetTexture( U32 index)
GFXTextureObject* PostEffect::_getTargetTexture(U32 index)
{
// A TexGen PostEffect will generate its texture now if it
// has not already.
if ( mRenderTime == PFXTexGenOnDemand &&
( !mTargetTex[index] || mUpdateShader ) )
if (mRenderTime == PFXTexGenOnDemand
&& (!mTargetTex[index] || mUpdateShader))
{
GFXTexHandle chainTex;
process( NULL, chainTex );
// TODO: We should add a conditional copy
// to a non-RT texture here to reduce the
// amount of non-swappable RTs in use.
GFXTexHandle chainTex[NumMRTTargets]; // zero-initialised by GFXTexHandle ctor
process(NULL, chainTex, NumMRTTargets);
}
return mTargetTex[index].getPointer();