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65 commits

Author SHA1 Message Date
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
Henrik Rydgård
474db602ca UWP: Fix screen rotation in non-buffered rendering mode 2017-03-07 15:32:26 +01:00
Florent Castelli
70593d1004 android: Change preprocessor define to standard __ANDROID__ 
ANDROID is only standard to the old Makefile buildsystem, not the platform.
 2016-10-12 11:14:09 +02:00
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f101e2710c Avoid a c++11 rule violation. 
No default args on lambdas, unfortunately...?
 2016-08-06 20:01:50 -07:00
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fed0089c81 Rewrite 5551 test mask to 0xFF in more cases. 
If nothing else, this may improve cacheability or something, since states
will be more regular.

May somehow help PowerVR in #7740?
 2016-05-28 09:11:53 -07:00
Henrik Rydgard
0b1cfaf751 Be more economical with UBO pushbuffer space by reusing the last data when possible. 2016-03-20 19:35:31 +01:00
Henrik Rydgard
a995dd2ff4 Get rid of strange offset in Vulkan matrix converter 2016-03-20 19:31:02 +01:00
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944a1f380b Disable alpha test optimization with logic ops. 
We still need to discard the pixels in the case of a logic op, like
invert.  Otherwise we will invert the blended pixels too.

See #8632.
 2016-03-12 09:27:18 -08:00
Henrik Rydgard
58b07e00d7 Assorted fixes and cleanups. 2016-03-06 11:46:41 -08:00
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6b9b00aa16 Assume DUALSOURCE replace alpha means supported. 
We already check supports when generating this value, don't need to check
again when using it.
 2016-03-05 17:18:04 -08:00
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8b51bc5b0b Fix debugging and depth packing with old depth. 
Which means, OpenGL in general right now.
 2016-02-07 22:42:47 -08:00
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f1c06d25ea Switch to old-style depth in OpenGL. 
Some devices really aren't handling the new method well.  There seem to be
accuracy problems when specifying the values to OpenGL.
 2016-02-06 20:21:14 -08:00
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87b75235e7 Improve depth accuracy a bit in 16-bit slice mode. 2016-02-06 20:02:18 -08:00
Victor Xie
dc32805256 Made commit 0920f6c a little more robust. 
Eliminated division-by-zero when depth range is zero.
 2016-02-01 13:17:15 +08:00
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79750ed1ad Add a config setting to control depth quality. 
For those who want 1x PSP like behavior.
 2016-01-20 22:11:00 -08:00
Henrik Rydgård
4c8384aa09 Merge pull request #8461 from unknownbrackets/gpu-depth 
Swap depth range to use minz/maxz
 2016-01-20 10:19:51 +01:00
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02bf70a2d0 Where possible, rewrite 5551 stencil ops too. 
We can in most cases fix INVERT, and also INCR so INVERT works when we
can't fix it.

Fixes #8422.
 2016-01-19 23:17:58 -08:00
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e00c9940e8 Correct pixel depth rounding. 2016-01-19 20:19:50 -08:00
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5de7d2cf8f Oops, correctly center depth. 2016-01-19 07:51:56 -08:00
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6ef97f72d2 gedbg: Show scaled depth values properly. 2016-01-19 07:23:06 -08:00
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b80c02c272 Simulate depth clamping. 
We'll allow extra space in both directions.  It's not exactly right, but
it's a fast approximation.
 2016-01-19 07:12:58 -08:00
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0920f6c6eb Use minz/maxz as the depth range. 
This allows values that fall outside the viewport, but still within the
depth range, to be drawn.
 2016-01-19 07:12:57 -08:00
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d1b3768e49 Use a common func everywhere for float depth vals. 2016-01-18 19:29:45 -08:00
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0828721bc2 Simplify depth calculation a bit. 
This way we keep the original range better, so we should lose less
precision.
 2016-01-17 18:30:58 -08:00
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3aead9584b Oops, fix typo causing clamping to clamp wrong. 2016-01-03 19:59:59 -08:00