Merge pull request #254 from johnhaddon/cyclesUpdates

Cycles updates

Changes.md

@@ -2,6 +2,9 @@
 -------------
 
 - Cortex : Updated to version 10.5.6.0.
+- Cycles :
+	- Patched shader `IOR` values to default to 1.5.
+	- Enabled CUDA and Optix devices.
 
 8.0.0 alpha 4 (relative to 8.0.0 alpha 3)
 -------------

Cycles/config.py

@@ -22,9 +22,10 @@
 			" -D CMAKE_BUILD_TYPE=Release"
 			" -D WITH_CYCLES_OPENIMAGEDENOISE=OFF"
 			" -D WITH_CYCLES_PATH_GUIDING=ON"
-			" -D WITH_CYCLES_DEVICE_CUDA=OFF"
+			" -D WITH_CYCLES_CUDA_BINARIES=ON"
+			" -D WITH_CYCLES_DEVICE_CUDA=ON"
 			" -D WITH_CYCLES_DEVICE_HIP=OFF"
-			" -D WITH_CYCLES_DEVICE_OPTIX=OFF"
+			" -D WITH_CYCLES_DEVICE_OPTIX=ON"
 			" -D WITH_CYCLES_HYDRA_RENDER_DELEGATE=OFF"
 			" -D CMAKE_POSITION_INDEPENDENT_CODE=ON"
 			" -D WITH_CYCLES_USD=OFF"

Cycles/patches/iorDefaults.patch

@@ -0,0 +1,28 @@
+--- a/src/scene/shader_nodes.cpp
++++ b/src/scene/shader_nodes.cpp
+@@ -2425,7 +2425,7 @@ NODE_DEFINE(GlassBsdfNode)
+   SOCKET_ENUM(
+       distribution, "Distribution", distribution_enum, CLOSURE_BSDF_MICROFACET_GGX_GLASS_ID);
+   SOCKET_IN_FLOAT(roughness, "Roughness", 0.0f);
+-  SOCKET_IN_FLOAT(IOR, "IOR", 0.3f);
++  SOCKET_IN_FLOAT(IOR, "IOR", 1.5f);
+
+   SOCKET_OUT_CLOSURE(BSDF, "BSDF");
+
+@@ -2623,7 +2623,7 @@ NODE_DEFINE(PrincipledBsdfNode)
+   SOCKET_IN_COLOR(base_color, "Base Color", make_float3(0.8f, 0.8f, 0.8f))
+   SOCKET_IN_FLOAT(metallic, "Metallic", 0.0f);
+   SOCKET_IN_FLOAT(roughness, "Roughness", 0.5f);
+-  SOCKET_IN_FLOAT(ior, "IOR", 0.0f);
++  SOCKET_IN_FLOAT(ior, "IOR", 1.5f);
+   SOCKET_IN_FLOAT(alpha, "Alpha", 1.0f);
+   SOCKET_IN_NORMAL(normal, "Normal", zero_float3(), SocketType::LINK_NORMAL);
+
+@@ -5781,7 +5781,7 @@ NODE_DEFINE(FresnelNode)
+
+   SOCKET_IN_NORMAL(
+       normal, "Normal", zero_float3(), SocketType::LINK_NORMAL | SocketType::OSL_INTERNAL);
+-  SOCKET_IN_FLOAT(IOR, "IOR", 1.45f);
++  SOCKET_IN_FLOAT(IOR, "IOR", 1.5f);
+
+   SOCKET_OUT_FLOAT(fac, "Fac");