R3D Roadmap

v0.7

[ ] Adding the R3D_InstanceBuffer type to manage instances. See: https://github.com/Bigfoot71/r3d/discussions/121
[ ] Merge Scene Vertex Shaders Merge all vertex shaders used by the scene module into a single unified vertex shader.
[ ] Skybox Revision and Reflection Probes Revise the skybox system and add support for reflection probes, including probe blending.
[ ] Skybox Generation Support Add support for procedural skybox generation.

[ ] Add Support for Custom Screen-Space Shaders (Post-Processing) Allow custom shaders to be used in screen-space for post-processing effects.
[ ] Add Support for Custom Material Shaders Allow custom shaders per material. This will likely require a different approach for deferred vs. forward rendering. Deferred mode will probably offer fewer possibilities than forward mode for custom material shaders.
[ ] Better logs Add better logs for initialization, shutdown, loading operations, and failures.

[ ] Improve Shadow Map Management Instead of using one shadow map per light, implement an internal batching system with a 2D texture array and Sample2DArray in shaders. Note: This would remove per-light independent shadow map resolutions.
[ ] Implement Cascaded Shadow Maps (CSM) Add CSM support for directional lights.
[ ] Make a Wiki Add wiki pages to the Github repository.

Note: v0.9 features are still unsure and/or incomplete.

After implementing Sampler2DArray for shadow maps, explore using UBOs for lights, but also for environment and matrices/camera data.
Provide an easy way to configure the number of lights in forward shaders (preferably runtime-configurable).
Implement a system to save loaded skyboxes together with their generated irradiance and prefiltered textures for later reloading.
Improve support for shadow/transparency interaction (e.g., colored shadows).