/*virtual*/
VtValue
UsdImagingCubeAdapter::GetPoints(UsdPrim const& prim,
SdfPath const& cachePath,
UsdTimeCode time) const
{
TF_UNUSED(cachePath);
return GetMeshPoints(prim, time);
}
/* virtual */
void
HdxLight::Sync(HdSceneDelegate *sceneDelegate,
HdRenderParam *renderParam,
HdDirtyBits *dirtyBits)
{
HD_TRACE_FUNCTION();
HF_MALLOC_TAG_FUNCTION();
TF_UNUSED(renderParam);
SdfPath const &id = GetID();
if (!TF_VERIFY(sceneDelegate != nullptr)) {
return;
}
// HdxLight communicates to the scene graph and caches all interesting
// values within this class.
// later on Get() is called from TaskState (RenderPass) to perform
// aggregation/pre-computation, in order to make the shader execution
// efficient.
HdDirtyBits bits = *dirtyBits;
// Change tracking
// Transform
if (bits & DirtyTransform) {
VtValue transform = sceneDelegate->Get(id, HdxLightTokens->transform);
if (transform.IsHolding<GfMatrix4d>()) {
_params[HdxLightTokens->transform] = transform;
} else {
_params[HdxLightTokens->transform] = GfMatrix4d(1);
}
}
// Lighting Params
if (bits & DirtyParams) {
_params[HdxLightTokens->params] =
sceneDelegate->Get(id, HdxLightTokens->params);
}
// Shadow Params
if (bits & DirtyShadowParams) {
_params[HdxLightTokens->shadowParams] =
sceneDelegate->Get(id, HdxLightTokens->shadowParams);
}
// Shadow Collection
if (bits & DirtyCollection) {
VtValue vtShadowCollection =
sceneDelegate->Get(id, HdxLightTokens->shadowCollection);
// Optional
if (vtShadowCollection.IsHolding<HdRprimCollection>()) {
HdRprimCollection newCollection =
vtShadowCollection.UncheckedGet<HdRprimCollection>();
if (_params[HdxLightTokens->shadowCollection] != newCollection) {
_params[HdxLightTokens->shadowCollection] = newCollection;
HdChangeTracker& changeTracker =
sceneDelegate->GetRenderIndex().GetChangeTracker();
changeTracker.MarkCollectionDirty(newCollection.GetName());
}
} else {
_params[HdxLightTokens->shadowCollection] = HdRprimCollection();
}
}
*dirtyBits = Clean;
}
/* virtual */
void
HdStLight::Sync(HdSceneDelegate *sceneDelegate,
HdRenderParam *renderParam,
HdDirtyBits *dirtyBits)
{
HD_TRACE_FUNCTION();
HF_MALLOC_TAG_FUNCTION();
TF_UNUSED(renderParam);
SdfPath const &id = GetId();
if (!TF_VERIFY(sceneDelegate != nullptr)) {
return;
}
// HdStLight communicates to the scene graph and caches all interesting
// values within this class. Later on Get() is called from
// TaskState (RenderPass) to perform aggregation/pre-computation,
// in order to make the shader execution efficient.
// Change tracking
HdDirtyBits bits = *dirtyBits;
// Transform
if (bits & DirtyTransform) {
VtValue transform = sceneDelegate->Get(id, HdLightTokens->transform);
if (transform.IsHolding<GfMatrix4d>()) {
_params[HdLightTokens->transform] = transform;
} else {
_params[HdLightTokens->transform] = GfMatrix4d(1);
}
}
// Lighting Params
if (bits & DirtyParams) {
// If it is an area light we will extract the parameters and convert
// them to a gl friendly representation.
if (_lightType == HdPrimTypeTokens->simpleLight) {
_params[HdLightTokens->params] =
sceneDelegate->Get(id, HdLightTokens->params);
} else {
_params[HdLightTokens->params] =
_ApproximateAreaLight(id, sceneDelegate);
}
}
// Shadow Params
if (bits & DirtyShadowParams) {
_params[HdLightTokens->shadowParams] =
sceneDelegate->Get(id, HdLightTokens->shadowParams);
}
// Shadow Collection
if (bits & DirtyCollection) {
VtValue vtShadowCollection =
sceneDelegate->Get(id, HdLightTokens->shadowCollection);
// Optional
if (vtShadowCollection.IsHolding<HdRprimCollection>()) {
HdRprimCollection newCollection =
vtShadowCollection.UncheckedGet<HdRprimCollection>();
if (_params[HdLightTokens->shadowCollection] != newCollection) {
_params[HdLightTokens->shadowCollection] = newCollection;
HdChangeTracker& changeTracker =
sceneDelegate->GetRenderIndex().GetChangeTracker();
changeTracker.MarkCollectionDirty(newCollection.GetName());
}
} else {
_params[HdLightTokens->shadowCollection] = HdRprimCollection();
}
}
*dirtyBits = Clean;
}
