Embree : Update to version 4.3.0

This also means disabling the Embree Hydra delegate, since that doesn't support Embree 4 yet - see PixarAnimationStudios/OpenUSD#2313 for work in progress. We put higher value in matching the Embree version to Cycles 4 than we do in having the Embree delegate in `usdview`.

Author: boberfly

Changes.md

@@ -2,8 +2,10 @@
 -------------
 
 - Cortex : Updated to version 10.5.5.0.
+- Embree : Updated to version 4.3.0.
 - OpenPGL : Updated to version 0.5.0.
 - OpenVDB : Updated to version 10.1.0.
+- USD : Disabled Embree Hydra delegate, since it is incompatible with Embree 4.
 
 8.0.0 alpha 3 (relative to 8.0.0 alpha 2)
 -------------

Embree/config.py

@@ -2,7 +2,7 @@
 
 	"downloads" : [
 
-		"https://github.com/embree/embree/archive/v3.13.4.tar.gz"
+		"https://github.com/embree/embree/archive/v4.3.0.tar.gz"
 
 	],
 
@@ -27,6 +27,9 @@
 			" -D EMBREE_RAY_MASK=ON"
 			" -D EMBREE_FILTER_FUNCTION=ON"
 			" -D EMBREE_BACKFACE_CULLING=OFF"
+			" -D EMBREE_BACKFACE_CULLING_CURVES=ON"
+			" -D EMBREE_BACKFACE_CULLING_SPHERES=ON"
+			" -D EMBREE_NO_SPLASH=ON"
 			" -D EMBREE_TASKING_SYSTEM=TBB"
 			" ..",
 		"cd gafferBuild && make install -j {jobs} VERBOSE=1",
@@ -35,9 +38,9 @@
 
 	"manifest" : [
 
-		"include/embree3",
+		"include/embree4",
 
-		"lib/libembree3*{sharedLibraryExtension}*",
+		"lib/libembree4*{sharedLibraryExtension}*",
 
 	],
 

USD/config.py

@@ -37,7 +37,7 @@
 			" -D PXR_BUILD_TESTS=FALSE"
 			" -D PXR_BUILD_OPENIMAGEIO_PLUGIN=TRUE"
 			" -D PXR_BUILD_ALEMBIC_PLUGIN=TRUE"
-			" -D PXR_BUILD_EMBREE_PLUGIN=TRUE"
+			" -D PXR_BUILD_EMBREE_PLUGIN=FALSE"
 			" -D PXR_ENABLE_HDF5_SUPPORT=FALSE"
 			" -D PXR_ENABLE_MATERIALX_SUPPORT=TRUE"
 			" -D MATERIALX_STDLIB_DIR={buildDir}/materialX"