Sceneform 1.7pr6

This release of Filament is a check point release towards Sceneform 1.7.

List of changes since sceneform-1.7pr5:

Enhancements

Engine

• Exposed tangent utility to Java/Kotlin
• Allow mutation of non-direct buffers in Java/JNI
• FrameGraph is now enabled internally
• Improved render target management
• Added addEntities to Scene
• Windows debug libraries are now part of the distribution

Rendering

• Implemented blit in Vulkan
• Simplified command buffer management in Vulkan
• Progress on Metal backend

Tools

• The filamat library is now available as a library to generate materials at runtime

Bug fixes

Engine

• Fixed NaNs in math::slerp
• Fixed out-of-bounds access

Rendering

• Fixed generateMipmap implementation to properly honor base/max level
• Fixed OpenGL error with incorrect UBO size in GPU skinning
• Fixed iOS specific OpenGL issues