Changes to the SDK since the 8.5.0 release:

• Instancing data changes:
  • In Forest.h, SInstance, the right vector is no longer compressed.
  • Also in Forest.h, SInstance, terrain normal removed.
  • Shader structure SWindInstance in WindTypes.h adjusted to match SInstance on C++ side.
  • Associated functions in SInstance either edited or removed.
  • All forward and deferred shaders’ instance inputs/decoding adjusted accordingly.
• Alternate coordinate system updated in shaders:
  • Better comments that outline which values are in which coordinate systems in the main tree/billboard/grass shaders.
  • Updated default coordinate system defined in UnifyHlslAndGlsl.h.
• CCore::Wind() renamed to CCore::FileWind().
• CMyPopulate::LoadBaseTree() now has complete examples of loading trees via filename and memory block.
• Placement integer ID removed from several example grass placement functions in the reference application.
• TGA loading class now properly routes through the SpeedTree SDK callback system.
• PlayStation 5 version compiled against PS5 2.0.0 SDK.
• Xbox Series X version compiled against the November 2020 GDK.

• Overflow bug in CBaseFixedString::Format() fixed.
• CReader::LoadFile() now correctly routes through the SpeedTree SDK callback system.
• In the OpenGL reference application, initialization errors were not displayed in the console. It would silently close.