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USD & Hydra Notes
=================

Example USD & Hydra examples to investigate the API & functionality of USD & Hydra.

Project Structure
-----------------

* hydra [*hydra renderer examples*](hydra)
    * helloWorld [*Simple single triangle rendered using Hydra*](hydra/helloWorld)
    * simpleObject *simple .obj - lambert lit solid color object*
        * [tinyObj](https://github.com/syoyo/tinyobjloader)
        * [teapot](http://g3d.cs.williams.edu/g3d/data10/common/model/teapot/teapot.zip) 
    * shader [*triangle with a solid color shader assigned*](hydra/shader)
        * lighting has to be enabled for the shader to be acivated
    * texturing [*quad with a texture*](hydra/texturing)
        * Trying to use **pxr::GlfTextureRegistry::GetInstance().GetTextureHandle(pxr::TfToken("default.png"));**
        * looks like the plugin required for texture loading isn't loaded
        * What is the difference between **GetTextureResourceID** & **GetTextureResource**
    * deformation
    * displacement
    * dyanmicScene
    * indexPicking
    * instancing
    * lighting
    * material
    * textured
    * curves
    * points
    * primvar
    * renderTarget
    * shadows
    * subd
    * embree
    * redererPlugin
    * post processing & effects
    * deferred rendering
    * motion blur
    * streaming
* usd
    * sceneReader
    * sceneWriter

Open Questions
--------------

Hydra Engine include requires ptyhon?

~~~
#include "pxr/imaging/hd/engine.h"
~~~~

* Used **garch/glDebugWindow** to create a window with OpenGL context.
    * How can I setup GLEW extensions?

* Debug build using build_usd.py
* Ask about clion setup. Has anyone figured out how to get this working?



Questions:

Why doesn't `template<T> HdRenderIndex::InsertTask` return the newly created Task as `boost::shared_ptr<T>`?


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