Share the SMAA, XeGTAO, MacLeod-Boynton, RCAS and dgVoodoo code between games, and draw RCAS from Core

[jhi721]

Moves the shader code that my mods had copied between each other into shared files, and moves the RCAS into Core.

Shared shaders

• Shaders/Includes/SMAA_Passes.hlsl: the six SMAA entry points Core draws. Each Luma_SMAA_impl.hlsl now only sets up SMAA and includes it. Used by BL2/TPS, BL GOTY, MEA, MELE, ME1, MoH Airborne and TW2, plus BioShock and MGS4 in a separate commit, since their files were the same copy.
• Shaders/Includes/XeGTAO.hlsl: the XeGTAO passes from BL GOTY, MELE and TW2. Each game keeps a small Luma_<Game>_XeGTAO.hlsl with its cbuffers, depth/normal decoding and a few defines.
• Shaders/Includes/MacLeodBoynton.hlsl: moved from the four identical copies in BL GOTY, ME1, MoH Airborne and TW2.
• Shaders/Global/Luma_RCAS_PS.hlsl: replaces the seven identical Luma_*_Sharpen.hlsl.
• Shaders/Includes/DgVoodoo.hlsl: ApplyDgvMask and the guarded rcp/log helpers from ME1, MoH Airborne and TW2.

RCAS and SMAA in Core

• ENABLE_RCAS (default 0, separate from ENABLE_SMAA) makes Core register "RCAS PS".
• draw.hpp adds PrepareRCAS() and DrawRCAS().
• DrawSMAA() now rebuilds its intermediates when the target size changes, not only on swapchain init.

[Izueh]

This looks pretty good, only recommendation I have is to move the loading of the new Sharpen/SMAA shaders to Core as well instead of having the game load them. could optionally make a helper function in Draw.hpp to easily call these shaders with parametrized inputs. What do you guys think?

[jhi721]

@Izueh moved RCAS to Core

[Izueh]

@garamond13 just give your thumbs up if you don't mind relating the GTAO changes to your games.

[garamond13]

Maybe make it optional to define own float3 XeGTAO_ComputeViewspacePosition(float2 screenPos, float viewspaceDepth), I'm having situation in Bioshock (original) where it's most conviniet to reuse games way of getting viewspace position.

Maybe make denoising opional, in some games it's convinient to rely on games own denoiser. It's done in Dishonored 2.

just give your thumbs up if you don't mind relating the GTAO changes to your games.

All fine with me.

[jhi721]

@Izueh @garamond13 done