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Implement multi-input OFX clip wiring and texture handling

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Store PluginJob input values for lookup
Add per-clip texture inputs on plugin nodes
Map input clips to textures during render (with Source fallback)
This commit is contained in:
Mike-Solar
2026-01-04 22:30:41 +08:00
parent 7c0f37b0a7
commit f191486375
31 changed files with 1147 additions and 130 deletions
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app/render/renderprocessor.cpp
+1 -77
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@@ -175,83 +175,7 @@ void RenderProcessor::Run()
= node->getPlugin();
std::unique_ptr<OFX::Host::ImageEffect::Instance> instance(plugin->createInstance(kOfxImageEffectContextFilter, NULL));
OfxStatus stat;
stat = instance->createInstanceAction();
if(stat != kOfxStatOK && stat != kOfxStatReplyDefault) {
ticket_->Finish();
return;
}
// now we need to to call getClipPreferences on the instance so that it does the clip component/depth
// logic and caches away the components and depth on each clip.
bool ok = instance->getClipPreferences();
if (!ok) {
ticket_->Finish();
return;
}
// current render scale of 1
OfxPointD renderScale;
renderScale.x = renderScale.y = 1.0;
// The render window is in pixel coordinates
// ie: render scale and a PAR of not 1
OfxRectI renderWindow;
renderWindow.x1 = renderWindow.y1 = 0;
renderWindow.x2 = ticket_->property("size").value<QSize>().width();
renderWindow.y2 = ticket_->property("size").value<QSize>().height();
/// RoI is in canonical coords,
OfxRectD regionOfInterest;
regionOfInterest.x1 = regionOfInterest.y1 = 0;
regionOfInterest.x2 = renderWindow.x2 * instance->getProjectPixelAspectRatio();
regionOfInterest.y2 = renderWindow.y2 * instance->getProjectPixelAspectRatio();
OfxRectD regionOfDefinition;
regionOfDefinition.x1 = regionOfDefinition.y1 = 0;
regionOfDefinition.x2 = params.width();
regionOfDefinition.y2 = params.height();
int numFramesToRender=ticket_->property("time").value<rational>().toDouble()
* params.frame_rate().toDouble();
stat = instance->beginRenderAction(0, numFramesToRender, 1.0, false, renderScale, /*sequential=#1#true, /*interactive=#1#false
);
if (stat != kOfxStatOK && stat != kOfxStatReplyDefault) {
ticket_->Finish();
return;
}
plugin::OliveClipInstance *clip=dynamic_cast<plugin::OliveClipInstance *>(instance->getClip("Output"));
for(int t = 0; t <= numFramesToRender; ++t)
{
// call get region of interest on each of the inputs
OfxTime frame = t;
// get the RoI for each input clip
// the regions of interest for each input clip are returned in a std::map
// on a real host, these will be the regions of each input clip that the
// effect needs to render a given frame (clipped to the RoD).
//
// In our example we are doing full frame fetches regardless.
std::map<OFX::Host::ImageEffect::ClipInstance *, OfxRectD> rois;
stat = instance->getRegionOfInterestAction(frame, renderScale,
regionOfInterest, rois);
assert(stat == kOfxStatOK || stat == kOfxStatReplyDefault);
// render a frame
stat = instance->renderAction(t,kOfxImageFieldBoth,renderWindow, renderScale, /*sequential=#1#true, /*interactive=#1#false, /*draft=#1#false);
assert(stat == kOfxStatOK);
// get the output image buffer
OFX::Host::ImageEffect::Image *outputImage = clip->getOutputImage();
std::ostringstream ss;
ss << "Output." << t << ".ppm";
exportToPPM(ss.str(), outputImage);
}
instance->endRenderAction(0, numFramesToRender, 1.0, false, renderScale, /*sequential=#1#true, /*interactive=#1#false
);
}
*/
@@ -615,7 +539,7 @@ void RenderProcessor::ProcessShader(TexturePtr destination, const Node *node,
locker.unlock();
// Run shader
render_ctx_->BlitToTexture(shader, *job, destination.get());
render_ctx_->BlitToTexture(shader, const_cast<ShaderJob&>(*job), destination.get());
}
void RenderProcessor::ProcessSamples(SampleBuffer &destination,