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the tree representation used by the decoder. return value is error*/

Initializes the mesh as a plane

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Returns a random float value between 0 and 1

Returns the contents of a file as a string

Computes the min and max depth from the depth buffer using a parallel reduction

Renders all meshes using depth-only rendering, using CPU-driven submission

Renders all meshes using depth-only rendering, using GPU-driven submission

Renders the shadow map for all cascades, and performs VSM conversion if necessary. This uses CPU-driven shadow map setup and scene submission

Renders the shadow map for all cascades using GPU batching, and performs VSM conversion if necessary

Global parameters

Variable parameters

Group parameters

Tests a frustum for intersection with a sphere