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postfx throttling

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don't execute shadercont updates via callback more than the standard tick
don't execute preprocess more than once, unless explicitly reloading
This commit is contained in:
AzaezelX 2025-05-18 09:59:12 -05:00
parent 2a9aa3a9d5
commit 091b75930b
2 changed files with 33 additions and 21 deletions
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52
Engine/source/postFx/postEffect.cpp
View file

@ -458,6 +458,7 @@ PostEffect::PostEffect()
mStateBlockData( NULL ),
mUpdateShader( true ),
mSkip( false ),
mPreProcessed(false),
mAllowReflectPass( false ),
mTargetClear( PFXTargetClear_None ),
mTargetScale( Point2F::One ),
@ -508,6 +509,7 @@ PostEffect::PostEffect()
dMemset( mTexSizeSC, 0, sizeof( GFXShaderConstHandle* ) * NumTextures );
dMemset( mRenderTargetParamsSC, 0, sizeof( GFXShaderConstHandle* ) * NumTextures );
mConstUpdateTimer = PlatformTimer::create();
}
PostEffect::~PostEffect()
@ -1109,28 +1111,32 @@ void PostEffect::_setupConstants( const SceneRenderState *state )
dSscanf( buffer.c_str(), "%g %g", texSizeScriptConst.x, texSizeScriptConst.y );
}
*/
{
PROFILE_SCOPE( PostEffect_SetShaderConsts );
// Pass some data about the current render state to script.
//
// TODO: This is pretty messy... it should go away. This info
// should be available from some other script accessible method
// or field which isn't PostEffect specific.
//
if ( state )
if (mConstUpdateTimer->getElapsedMs() > TickMs)
{
mConstUpdateTimer->reset();
{
Con::setFloatVariable( "$Param::NearDist", state->getNearPlane() );
Con::setFloatVariable( "$Param::FarDist", state->getFarPlane() );
PROFILE_SCOPE(PostEffect_SetShaderConsts);
// Pass some data about the current render state to script.
//
// TODO: This is pretty messy... it should go away. This info
// should be available from some other script accessible method
// or field which isn't PostEffect specific.
//
if (state)
{
Con::setFloatVariable("$Param::NearDist", state->getNearPlane());
Con::setFloatVariable("$Param::FarDist", state->getFarPlane());
}
setShaderConsts_callback();
}
setShaderConsts_callback();
}
EffectConstTable::Iterator iter = mEffectConsts.begin();
for ( ; iter != mEffectConsts.end(); iter++ )
iter->value->setToBuffer( mShaderConsts );
EffectConstTable::Iterator iter = mEffectConsts.begin();
for (; iter != mEffectConsts.end(); iter++)
iter->value->setToBuffer(mShaderConsts);
}
}
void PostEffect::_setupTexture( U32 stage, GFXTexHandle &inputTex, const RectI *inTexViewport )
@ -1423,9 +1429,11 @@ void PostEffect::process( const SceneRenderState *state,
return;
GFXDEBUGEVENT_SCOPE_EX( PostEffect_Process, ColorI::GREEN, avar("PostEffect: %s", getName()) );
preProcess_callback();
if (!mPreProcessed || mShader->getReloadKey() != mShaderReloadKey)
{
mPreProcessed = true;
preProcess_callback();
}
GFXTransformSaver saver;
// Set the textures.
@ -1578,6 +1586,7 @@ bool PostEffect::_setIsEnabled( void *object, const char *index, const char *dat
void PostEffect::enable()
{
mPreProcessed = false;
// Don't add TexGen PostEffects to the PostEffectManager!
if ( mRenderTime == PFXTexGenOnDemand )
return;
@ -1621,6 +1630,7 @@ void PostEffect::disable()
void PostEffect::reload()
{
mPreProcessed = false;
// Reload the shader if we have one or mark it
// for updating when its processed next.
if ( mShader )

2
Engine/source/postFx/postEffect.h
View file

@ -215,6 +215,7 @@ protected:
/// Parent and sibling PostEffects in the chain are still processed.
/// This is intended for debugging purposes.
bool mSkip;
bool mPreProcessed;
bool mOneFrameOnly;
bool mOnThisFrame;
@ -323,6 +324,7 @@ protected:
EffectConstTable mEffectConsts;
PlatformTimer* mConstUpdateTimer;
///
virtual void _updateScreenGeometry( const Frustum &frustum,
GFXVertexBufferHandle<PFXVertex> *outVB );