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89 commits

Author SHA1 Message Date
Henrik Rydgård
04a85b1da0 Allows "merging" render targets that overlap on the Y access. Fixes #7295 (Juiced 2) 
To be safe, gating this behind the related AllowLargeFBTextureOffsets,
which is also required for the effect to work.

Additionally, fixes the offset check for X offsets, which I guess is a
very small risk.
 2022-07-24 11:58:07 +02:00
Henrik Rydgård
6b2dec91b5 Finish BlueToAlpha functionality 2022-04-30 18:17:17 +02:00
Henrik Rydgård
462972f7ea Add option to redirect blue to alpha if 565 mode is rendered and mask is 0x0FFFFF. 
This is used by several games to render to the alpha channel of RGBA4444
images, which cannot normally be done directly on the PSP.

Can be used as a far more efficient replacement for
ReinterpretFramebuffers/ShaderColorBitmask
 2022-04-30 18:17:16 +02:00
Henrik Rydgård
7be86264d0 Move framebufFormat to gstate_c, so we can override it 2022-04-30 18:16:09 +02:00
Henrik Rydgård
32df78a2cc Make the existing ReinterpretFramebuffers/ShaderColorBitmask path work for Split/Second 
It took writing and debugging #15500 for me to understand what the issue with the old path was..

Much simpler alternative to #15500, or we could merge both but disable Split/Second
for this one. Needs some benchmarks I guess...
 2022-04-25 00:11:09 +02:00
Henrik Rydgård
69ae3f4c02 Better protection against broken viewports. 
It's ok if this emits a single pixel sized viewport, since the cause of
this is generally the viewport being specified outside the scissor
rectangle.

Fixes #13921
 2021-07-12 21:19:26 +02:00
Henrik Rydgård
7359c8f083 Revert "Make sure we don't try to set a negative viewport size." 
This reverts commit 0386cafe53.
 2021-07-12 21:03:29 +02:00
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9857e8d1b1 GPU: Respect stencil write mask for 5551 buffers. 
If the mask is 0x7F on 5551, that's equivalent to allowing the clear
entirely.  See #13391.
 2021-01-24 15:54:13 -08:00
Henrik Rydgård
0386cafe53 Make sure we don't try to set a negative viewport size. 
Should help #13921.
 2021-01-16 09:45:21 +01:00
Henrik Rydgård
d5fe6154b5 Enable color reinterpret for Ultimate Ghosts & Goblins 
The game uses it by accident probably, but whatever - it's a clean fix.

Fixes, but only for "modern" APIs, #13717.
 2020-11-27 23:52:33 +01:00
Henrik Rydgård
c61f9bfd09 Fix bug in the new color writemask code, failing to limit it to Outrun properly. Fixes #13650. 2020-11-10 22:07:20 +01:00
Henrik Rydgård
6310af25fa Get shader color write masking going on all backends. 2020-11-08 23:45:47 +01:00
Henrik Rydgård
793e89d2e3 Fix some comments, rename a function. 2020-11-08 14:34:04 +01:00
Henrik Rydgård
3d289594f9 ShaderBlend and FramebufferRead are separate concepts. Reflect that in naming. 
The former has forms that don't need to read the framebuffer.

This exposes that some logic is wrong...
 2020-11-08 12:54:05 +01:00
Henrik Rydgård
b7edf75437 Move Display.cpp/h to Common. 2020-10-04 11:42:16 +02:00
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3055deeba6 GPU: Fix some case warnings. 
Better to avoid the warnings.
 2020-08-19 21:18:44 -07:00
Henrik Rydgård
ba0d04a142 Vulkan: Implement depth texturing through depal. 2020-08-09 20:31:04 +02:00
Henrik Rydgård
e6dfb55d3d Optimize value conversion in (unused) depth readback. 
This also exposes factors we can feed into shaders to do the conversion
on the GPU.
 2020-08-09 10:47:01 +02:00
Henrik Rydgård
fd3a9d4202 Expand the viewport to cover the scissor region, if it doesn't. Fixes #4845 (bloom in Dante's Inferno). 2020-08-05 19:19:30 +02:00
Henrik Rydgård
1b2d4dd75d Viewport state conversion: Move the pixel scaling to after the overage clipping. 2020-08-05 19:04:12 +02:00
Henrik Rydgård
eadd3c5785 Remove the LARGE_VIEWPORTS separate path. The fewer paths the better, all need to work anyway. 
Required fixing a bug in ShaderUniforms.cpp (used by D3D11 and Vulkan,
the two backends that previously exposed LARGE_VIEWPORTS).
 2020-08-05 19:03:08 +02:00
Henrik Rydgård
d57edfbdac Rename FramebufferCommon.cpp/h to FramebufferManagerCommon.cpp/h for consistency 2020-08-03 23:17:22 +02:00
Henrik Rydgård
73046239e3 Android: Add option to ignore camera notches when sizing the display. 
This is generally what you want, at least on phones with small notches.

Not sure about the most intuitive polarity and name of the setting.. bit
of a shame to create another setting with a negation. But most people
should probably ignore this.
 2020-07-05 22:46:25 +02:00
Henrik Rydgård
c8d48a8777 Handle insets correctly for the in-game final screen blit. 
Should help #12982 in case of phones with inset cameras.
 2020-05-31 20:14:40 +02:00
Henrik Rydgård
e559fc022f Minor refactor in PresentationCommon (combine loose coordinates to a struct) 2020-05-31 19:45:28 +02:00
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d39b0bdca2 GPU: Split FramebufferCommon into two classes. 
Only some things moved over so far.

FramebufferCommon does too much, we want to share it with softgpu without
all the buffer management stuff.
 2020-05-13 18:07:22 -07:00
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30ede8240c GPU: Move hw transform decision to draw engine. 2020-04-04 11:14:32 -07:00
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7b8d3e0c36 GPU: Improve a 5551 stencil emulation case. 
Hammerin' Hero (see #10777) uses ALWAYS with INCR, which can be rewritten
to maintain more correct stencil values.
 2019-06-23 16:14:18 -07:00
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00d088ab58 GPU: Improve non dual source stencil replace. 
If we're replacing with a constant FF, we can make it work more often.
Fixes #11249.
 2019-04-07 15:20:56 -07:00
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c5b844cc98 GPU: Respect stencil write mask on clear. 
Actually identified this for the softgpu in #11319, but applying it for
RGBA is a problem in most renderers.  Forgot to at least apply it to
stencil.

Fixes #11901.
 2019-03-16 19:42:18 -07:00
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b955ec70c9 GPU: Correct depth clamp range in range cull. 
It was just wrong before, causing wrong culling when using a non-standard
viewport scale/center for depth.

Fixes #11701, fixes #11781.
 2019-02-10 09:58:01 -08:00
Henrik Rydgard
3f8aec5147 Remove the "Disable stencil test" hack. Doesn't seem to serve much purpose anymore. 2018-12-14 13:54:03 +01:00
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5932cbabc3 GPU: Avoid stencil emulation if possible. 
This reduces use of replaceAlpha, and reduces use of more complicated
blend states.  This simplifies fragment shaders a little.
 2018-12-01 14:05:29 -08:00
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29b5581416 GLES: Correct invalid scissor handling. 
Also improves Direct3D 9.  See #11444.

Per hardware tests, we should correctly not draw in this case.
 2018-10-28 15:56:02 -07:00
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274b1eaa0e GPU: Fix typo with wrong type. 
No behavior change, just fixes a warning.
 2018-08-26 11:51:06 -07:00
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5c01bf61e6 GPU: Apply logic op in more cases. 
It has well defined behavior with alpha blending, so let's apply it even
when we're blending.  Fixes #11316.
 2018-08-24 21:19:54 -07:00
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734db3d050 GPU: Refactor logic op simulation for better reuse. 2018-08-24 21:05:27 -07:00
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77f0499f7f GPU: Rename clipping flag to depth clamp. 
It seems to just to depth clamp.  When depth clamp happens, it affects
clipping a little, but only for vertices that needed clamping.
 2018-08-05 17:11:51 -07:00
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7885a88c0c GPU: Optimize > 0 alpha test using discard rules. 
It should be equally unsafe to use src color as dest blend factor, or
use blending with a subtract or min/max equation.
 2018-07-29 11:39:06 -07:00
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fba0de59c1 GPU: Restrict alpha test to zero for dest blend. 
We could end up with the wrong blending in other cases, because the
exiting color will get multiplied.

Luckily, this is still the common case.
 2018-07-29 11:26:04 -07:00
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5ccd3ee4dc GPU: Allow skipping discard when write disabled. 
Even if we depth test, if we don't write, we can still force alpha to
zero.
 2018-07-27 20:16:51 -07:00
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5ad948df73 Vulkan: Avoid discard when we can blend. 
Where possible, replace alpha and color testing with a zero alpha value.

This allows early fragment tests more often, which may help #11227.  It
may also generally help performance on PowerVR devices.
 2018-07-27 20:04:36 -07:00
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b4496f1975 Core: Move config enums to separate file. 
These are a bit strewn about and there are constants that aren't
consistently used, which just adds confusion.
 2018-06-23 10:59:18 -07:00
Henrik Rydgård
9340260802 Finish the shader manager (almost) 2018-01-27 15:10:17 +01:00
Henrik Rydgård
2dda2bfa78 Dual source blend: Remove bad #ifdef that killed dual src code on Android... oops. Re-enable on nVidia Shield TV/Tablet. Fixes #10136 properly. 2017-12-30 00:53:24 +01:00
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e8ca467bc9 Vulkan: Allow full depth range with depth clamp. 2017-12-26 16:54:40 -08:00
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c5897a1c5c GPU: Cleanup some feature flags usage. 2017-12-21 18:50:41 -08:00
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9c52155d3f GPU: Minor cleanup. 2017-12-02 09:47:59 -08:00
Henrik Rydgård
6a3d41892a Workarounds for issue with "accurate depth". See #9545, #10087 2017-11-21 12:11:05 +01:00
Henrik Rydgard
56cd991833 All: Only recompute the vertex shader ID when dirty 2017-08-14 11:36:06 +02:00