Hydra: making HdTextureResource and HdSceneDelegate::GetTextureResour…

…ce[ID] deprecated.

(Internal change: 2092493)

pxr/imaging/hd/sceneDelegate.h

@@ -601,10 +601,20 @@ class HdSceneDelegate {
     /// \name Texture Aspects
     // -----------------------------------------------------------------------//
 
+    ///
+    /// \deprecated It is now the responsibility of the render delegate to load
+    /// the texture (using the file path authored on the texture node in a
+    /// material network).
+    ///
     /// Returns the texture resource ID for a given texture ID.
     HD_API
     virtual HdTextureResource::ID GetTextureResourceID(SdfPath const& textureId);
 
+    ///
+    /// \deprecated It is now the responsibility of the render delegate to load
+    /// the texture (using the file path authored on the texture node in a
+    /// material network).
+    ///
     /// Returns the texture resource for a given texture ID.
     HD_API
     virtual HdTextureResourceSharedPtr GetTextureResource(SdfPath const& textureId);

pxr/imaging/hd/textureResource.h

@@ -38,6 +38,13 @@ PXR_NAMESPACE_OPEN_SCOPE
 
 using HdTextureResourceSharedPtr = std::shared_ptr<class HdTextureResource>;
 
+///
+/// \class HdTextureResource
+///
+/// \deprecated It is now the responsibility of the render delegate to load
+/// the texture (using the file path authored on the texture node in a
+/// material network).
+///
 class HdTextureResource {
 public:
     typedef size_t ID;

pxr/imaging/hdSt/textureResource.h

@@ -48,7 +48,15 @@ PXR_NAMESPACE_OPEN_SCOPE
 
 using HdStTextureResourceSharedPtr = std::shared_ptr<class HdStTextureResource>;
 
-/// HdStTextureResource is an interface to a GL-backed texture.
+///
+/// \class HdStTextureResource
+///
+/// An interface to a GL-backed texture.
+///
+/// \deprecated It is now the responsibility of the render delegate to load
+/// the texture (using the file path authored on the texture node in a
+/// material network).
+///
 class HdStTextureResource : public HdTextureResource, boost::noncopyable {
 public:
     HDST_API