feat(opensauce, halo1, rasterizer): utilize ReShade API for new post-processing API

[BinToss]

ReShade Official Homepage
ReShade API Reference

Currently, this is more of a nice-to-have idea than a solid plan. I talked to Jazz about this a few times in the past. Nothing in-depth.

Caveats

Licensing and Redistribution

ReShade is "BSD 3-Clause" licensed. This license states the binaries can be redistributed so long as certain conditions are met.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

• Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
• Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
• Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.

However, the homepage has a conflicting statement.

Do NOT share the binaries or shader files. Link users to this website instead.

Related Issues

• Mod Compatbility #51
• OpenCL for Post-Processing #50
• Preprocess maps' embedded effects to temporarily disable unused framebuffers #44
• Allow OS's DLL to work on any of the three classic branches of Halo:CE for Windows #33
• Detect game resolution and aspect ratio, then initialize post-processing surface to those values #32
• Some HCE post processing settings are reset when the overlay menu is opened. #19
• Velocity G-Buffer no longer working as intended #4