* Checks document order of two siblings * @param {Element} a * @param {Element} b * @returns {Number} Returns less than 0 if a precedes b, greater

* Loads and compiles RTXGI SDK shaders. */

* Create a window. */

* Load shaders and create a compute pipeline state object for the AO filtering. */

* Create a bottom level acceleration structure (BLAS) for the scene. */

* Create the back buffer and RTV. */

* Create the camera constant buffer. */

* Create a command allocator for each frame. */

* Create the command list. */

* Create a command queue. */

* Create the root signature used for compute shaders. */

* Create the RTV, CBV/SRV/UAV, and Sampler descriptor heaps. */

* Create a D3D12 device. */

* Device creation helper. */

* Create a fence and event handle. */

* Create the global DXR root signature. */

* Create the DXR hit group. * Loads and compiles the hit group's CHS and AHS. * Creates the hit group's local root signature. */

* Create the scene geometry index buffers. */

* Load shaders and create the graphics pipeline state object for the indirect fullscreen pass. */

* Create the lights constant buffer. */

* Load and compile the DXR Miss program. */

* Create the DXR ray tracing pipeline state object (RTPSO). */

* Create a bottom level acceleration structure (BLAS) for the probe visualization spheres. */

* Creates the resources used to visualize the RTXGI DDGIVolume's probes. */

* Create the root signature used for raster passes. */

* Load and compile the DXR Ray Generation Shaders. */

* Create the render targets. */

* Create the samplers. */

* Create the raster scissor. */

* Create the DXR shader table. */

* Creates the geometry for a unit sphere centered about the origin. */

* Create a swap chain. */

* Create a top level acceleration structure (TLAS) for the scene. */

* Create the scene textures. */

* Create the scene geometry vertex buffers. */

* Create the raster viewport. */

* Load shaders and create the graphics pipeline state object for the DDGIVolume buffer visualization fullscreen pass. */

* Create the top level acceleration structure (TLAS) for the probe visualization. */

* Create the compute PSO for the Vis TLAS update pass. */

* Load and compile the compute shader that updates the visualization TLAS instances. */

* Creates an RTXGI DDGI Volume. */

* Create resources used by the RTXGI DDGI Volume. */

* Builds the command list to filter the ambient occlusion data. */

* Generate the indices for a Cornell Box. */

* Generate the vertices for a Cornell Box. */

* Generate the indices for a sphere. */

* Generate the indices for a sphere with the given number of vertices. */

* Generate the vertices for a sphere. */

* Generate the vertices for a sphere. */