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137 Commits

Author SHA1 Message Date
Stuart Kenny 217e1c8fae GS: Update lottes crt shader. 2024-09-19 17:51:29 +02:00
lightningterror 67d7744f7f GS/HW: Further expand blend multipass. 
For formulas:
Cs*Alpha + Cd*(1 - Alpha).
Cd*Alpha + Cs*(1 - Alpha).
Where Alpha is higher than 1 and is either As or Af.
 2024-08-27 13:38:44 +02:00
lightningterror 40d5c78573 GS/HW: Implement PABE(Per pixel alpha blending) on accumulation blend and add optimizations. 
PABE accumulation blend:
Idea is to achieve final output Cs when As < 1, we do this with manipulating Cd using the src1 output.
This can't be done with reverse subtraction as we want Cd to be 0 when As < 1.
Blend mix is excluded as no games were found, otherwise it can be added.

PABE Disable blending:
We can disable blending here as an optimization since alpha max is 128
which if alpha is 1 in the formula Cs*Alpha + Cd*(1 - Alpha) will give us a result of Cs.
 2024-08-22 21:39:19 +02:00
lightningterror f9fbecc783 GS: Match data types in shaders to be the same when doing bitwise operations. 2024-08-11 00:35:42 +02:00
GovanifY 132431b7c8 headers: relicense to GPL-3.0+ 
also update to 2024 while i'm at it
 2024-07-30 17:17:13 -04:00
lightningterror 75defbeded GS/HW: Adjust point sampler behavior. 
VK/GL/Metal: Get rid of it completely as it doesn't seem needed anymore.
DX: Only enable it with combination with GPU Palette Conversion enabled as that's when the issue occurs.

Test: See if Metal breaks with no point sampler.

2
 2024-07-09 19:20:38 +02:00
lightningterror fdcb0efe0a GS/HW: Make sure both bitwise values are unsigned for ps_convert_float32_float24 depth. 2024-07-09 15:19:45 +02:00
refractionpcsx2 a7047b605e GS/HW: Allow conversion from 32bit to 24bit depth 2024-06-28 04:15:12 +01:00
Stenzek 5b45913a6a GS/HW: Use box filtering for source downsampling 2024-06-27 10:49:46 +10:00
Stenzek ec8d5d1b71 GS/HW: Allow use of trilinear with shader sampling 2024-06-24 10:15:48 +10:00
lightningterror abec2738b9 GS/HW: Extend blend second pass to more blend formulas v2. 
Cd*(1 + Alpha).
Alpha = As, Ad or Af.
For As or Af case when alpha > 128.
For Ad case when there is no RTA correction.
 2024-06-14 21:40:31 +02:00
refractionpcsx2 d34f359621 GS/HW: Correct TEXA behaviour on shuffles 2024-06-08 19:26:35 +01:00
refractionpcsx2 256babd337 GS/HW: Allow forcing Dither to 32bit for 16bit draws 2024-05-25 02:13:33 +01:00
Stenzek aa48256010 GS/HW: Round alpha values for indexed sample of RTA 2024-04-28 17:40:20 +02:00
lightningterror d824ae6e0c GS/HW: Extend blend second pass to more blend formulas. 
`Cs + Cd*Ad, Cs - Cd*Ad, Cd*(1 - Ad), Cs*(1 + Ad), Cs*(1 - Ad).`
 2024-04-23 02:00:02 +02:00
refractionpcsx2 30f4e77b31 GS/HW: Rearrange color on shuffle if SW Blend or TFX 2024-04-08 12:09:30 +01:00
refractionpcsx2 effdfd5a22 GS/HW: Fix up some RTA behaviour and reduce copies 2024-04-02 21:48:32 +01:00
Stenzek 11ee0a8613 GS: Remove reduced-depth-range hack 2024-03-29 20:44:02 +10:00
Stenzek 7ddf6386f1 GS: Remove DSB feature 
No longer needed, since it's mandatory.
 2024-03-29 20:44:02 +10:00
Stenzek a317e9c038 GS/HW: Improve accuracy of RGB_ONLY AFAIL 
Instead of breaking the draw into two passes, which breaks when
fragments overlap each other and blending is enabled, use blending to
leave the value of Ad intact when a pixel fails the alpha test.

In the case of DATE being enabled, prefer PrimID over stencil, as since
we are changing Ad on a per-fragment basis, with some fragments not
being modified, stencil DATE will become desynchronized with the value
of Ad.
 2024-03-28 11:46:20 +10:00
Stenzek 0917d49a01 GS: Remove separate alpha pass fallback 
This is just wrong when overlap and depth writes are involved.
 2024-03-28 11:46:20 +10:00
refractionpcsx2 059ec49389 GS/HW: RTA improvements and enhancements 2024-03-25 17:58:12 +00:00
refractionpcsx2 4ba43b8496 GS/HW: Improve channel + texture shuffle detection and processing 2024-03-24 11:38:33 +00:00
refractionpcsx2 bfef8397d6 GS/HW: Allow source is rt to use corrected alpha in most cases. 2024-03-17 17:24:39 +01:00
lightningterror 3a2888a5d5 GS/HW: Adjust RTA shader precision. 2024-03-17 17:24:39 +01:00
lightningterror 0900c2fd8b GS/HW: RTA Correction, implement on DATE. 
Less copies, and makes it work with DATE.
 2024-03-17 17:24:39 +01:00
lightningterror 58628b8dd3 GS/HW: Make sure we don't multiply Cs if Ad is corrected. 
Another potential to avoid copies.
 2024-03-17 17:24:39 +01:00
lightningterror 71376ff4e6 GS/HW: Decorrect Ad on sw blend in tfx shader. 
Otherwise if we do decorrection in covert shader we add more copies.

Also make sure to decorrect for fbmask, tex is fb.
 2024-03-17 17:24:39 +01:00
lightningterror 6c9f132093 GS/HW: Add support for Ad (RTA) correction. 
The idea is to adjust the alpha destination for more
accurate hw blending which will work on all renderers.

Old behavior has Ad in range within 0-1 whereas for blending 0-2 is needed.

copy rt -> adjust the alpha -> copy back the adjusted alpha-> restore old alpha after blending is done
 2024-03-17 17:24:39 +01:00
lightningterror a7c5eebf99 GS/HW: Adjust blend mix for impossible blend. 
Since we can't do Cd*(Alpha + 1) - Cs*Alpha in hw blend what we can do is adjust the Cs value that will be subtracted,
this way we can get a better result in hw blend. Result is still wrong but less wrong than before.
 2024-03-14 16:16:11 +01:00
lightningterror c0e47767b7 GS/HW: Adjust dither on Blend Mix when Cs-Cd * Af blend. 2024-03-10 23:41:18 +00:00
refractionpcsx2 65649b3cbb GS/HW: Adjust dither on Blend Mix when Cs-Cd * As blend. 2024-03-10 23:41:18 +00:00
refractionpcsx2 4b88256df2 GS/HW: Allow palette lookups from depth and deswizzle manual deswizzles 2024-02-01 00:13:39 +00:00
refractionpcsx2 badede2e2d GS/HW: ignore lower 3 bits of 16bit color for AEM check 2024-01-15 14:45:00 +00:00
refractionpcsx2 01842a3c6b GS/HW: Allow blending on normal shuffles 2024-01-09 13:17:52 +00:00
Stenzek d9abe10308 Misc: Remove explicit PCH include, switch to SPDX 2023-12-24 14:03:14 +10:00
lightningterror f96e7a9156 GS/HW: Rename dfmt to dst_fmt. 
It was confusing whenever the d meant depth or destination, this should make the code easier to read.
 2023-10-19 19:25:13 +02:00
refractionpcsx2 5dc27ed275 GS/HW: Convert depth16->rgba16 shader to integer 2023-10-01 21:08:39 +01:00
lightningterror 846c9cec6a GS/HW: Adjust how we handle RT alpha in blending. 
When both rt min and max are equal then we know what Ad value is,
if so use Af bit instead and set AFIX value from rt alpha value that we know.

On OpenGL when BLEND C == 1 but reading the rt is disabled, set the value to 0 instead
of reading an undefined value.
 2023-08-12 18:14:37 +02:00
lightningterror 7fadb6ed05 GS/HW: Cleanup texture shuffle shaders. 2023-08-11 15:23:50 +01:00
refractionpcsx2 5a3ba4e563 GS/HW: Add support for complex offset shuffles 2023-08-11 13:14:19 +01:00
Stenzek 784118e9c1 GS/HW: Don't drop fractional colour before modulating 
Fixes banding in Xenosaga, Tales of the Abyss, Beyond Good and Evil.
 2023-07-28 16:31:35 +01:00
lightningterror 3dce969a5e GS-shaders: Add missing copyright headers. 2023-07-21 10:24:15 +02:00
lightningterror e3593574b0 GS-ogl: Fix initialization shader warnings. 2023-07-16 12:45:42 +02:00
KrossX 32aa24f6fd GS: Add fancy downsampling shaders. 2023-07-09 14:04:06 +01:00
Stenzek 02f3279dec GS/HW: Get rid of padding in present UBO 
It was adding additional padding, which blew the block size out.
 2023-06-11 13:02:36 +10:00
TellowKrinkle e221d31b45 GS:OGL:Shaders: Formatting 2023-04-30 23:48:49 +02:00
Stenzek d37ac992fc GS/HW: Use bitfield extract for VS expand (GL/VK) 2023-04-15 20:10:25 +01:00
Stenzek 7f7dd60587 GS/HW: VS expand instead of GS for DX/GL/Vulkan 2023-04-13 11:12:11 +01:00
Stenzek f569ad0970 GS/HW: Allow translating targets for depth sources 
Fixes broken half screen in Miami Vice and 10 Pin - Champions Alley.
 2023-04-09 17:56:49 +01:00