void
HdxColorCorrectionTask::Sync(HdSceneDelegate* delegate,
HdTaskContext* ctx,
HdDirtyBits* dirtyBits)
{
HD_TRACE_FUNCTION();
HF_MALLOC_TAG_FUNCTION();
if ((*dirtyBits) & HdChangeTracker::DirtyParams) {
HdxColorCorrectionTaskParams params;
if (_GetTaskParams(delegate, ¶ms)) {
_framebufferSize = params.framebufferSize;
_colorCorrectionMode = params.colorCorrectionMode;
_displayOCIO = params.displayOCIO;
_viewOCIO = params.viewOCIO;
_colorspaceOCIO = params.colorspaceOCIO;
_looksOCIO = params.looksOCIO;
_lut3dSizeOCIO = params.lut3dSizeOCIO;
// Rebuild shader with new OCIO settings / shader-code.
_shaderProgram.reset();
}
}
*dirtyBits = HdChangeTracker::Clean;
}
void
HdxShadowTask::Sync(HdSceneDelegate* delegate,
HdTaskContext* ctx,
HdDirtyBits* dirtyBits)
{
HD_TRACE_FUNCTION();
HF_MALLOC_TAG_FUNCTION();
GLF_GROUP_FUNCTION();
// Extract the lighting context information from the task context
GlfSimpleLightingContextRefPtr lightingContext;
if (!_GetTaskContextData(ctx,
HdxTokens->lightingContext,
&lightingContext)) {
return;
}
GlfSimpleLightVector const glfLights = lightingContext->GetLights();
GlfSimpleShadowArrayRefPtr const shadows = lightingContext->GetShadows();
HdRenderIndex &renderIndex = delegate->GetRenderIndex();
const bool dirtyParams = (*dirtyBits) & HdChangeTracker::DirtyParams;
if (dirtyParams) {
// Extract the new shadow task params from exec
if (!_GetTaskParams(delegate, &_params)) {
return;
}
}
if (!renderIndex.IsSprimTypeSupported(HdPrimTypeTokens->simpleLight)) {
return;
}
// Iterate through all lights and for those that have shadows enabled
// and ensure we have enough passes to render the shadows.
size_t passCount = 0;
for (size_t lightId = 0; lightId < glfLights.size(); lightId++) {
const HdStLight* light = static_cast<const HdStLight*>(
renderIndex.GetSprim(HdPrimTypeTokens->simpleLight,
glfLights[lightId].GetID()));
if (!glfLights[lightId].HasShadow()) {
continue;
}
// It is possible the light is nullptr for area lights converted to
// simple lights, however they should not have shadows enabled.
TF_VERIFY(light);
// Extract the collection from the HD light
VtValue vtShadowCollection =
light->Get(HdLightTokens->shadowCollection);
const HdRprimCollection &col =
vtShadowCollection.IsHolding<HdRprimCollection>() ?
vtShadowCollection.Get<HdRprimCollection>() : HdRprimCollection();
// Creates or reuses a pass with the right geometry that will be
// used during Execute phase to draw the shadow maps.
if (passCount < _passes.size()) {
// Note here that we may want to sort the passes by collection
// to invalidate fewer passes if the collections match already.
// SetRprimCollection checks for identity changes on the collection
// and no-ops in that case.
_passes[passCount]->SetRprimCollection(col);
} else {
// Create a new pass if we didn't have enough already,
HdRenderPassSharedPtr p = boost::make_shared<HdSt_RenderPass>
(&renderIndex, col);
_passes.push_back(p);
}
passCount++;
}
// Shrink down to fit to conserve resources
// We may want hysteresis here if we find the count goes up and down
// frequently.
if (_passes.size() > passCount) {
_passes.resize(passCount);
}
// Shrink down to fit to conserve resources
if (_renderPassStates.size() > _passes.size()) {
_renderPassStates.resize(_passes.size());
}
// Ensure all passes have the right params set.
if (dirtyParams) {
TF_FOR_ALL(it, _renderPassStates) {
_UpdateDirtyParams(*it, _params);
}
}
