Use a hardcoded array of vertices in the vertex shader indexed by gl_VertexID instead of passing in attribute data.
Rename variable for clarity.
Add an activeShaderToy pointer member to ShaderGalleryScene.
Get pointer to focused pane from Gallery scene instead of its Shadertoy.
Add a texture library pointer to ShaderGalleryScene.
Merge branch 'master' of https://github.com/jimbo00000/RiftRay