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53 Commits

Author SHA1 Message Date
Henrik Rydgard
e11d0a7e1c Minor GPU interface cleanup 2016-01-06 23:49:02 +01:00
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529abd7db4 Correct clamped depth range from [0, 65535]. 
This changes a few things:
 * All backends clamp the depth range and keep it positive.
 * The depth rounding uniform is now properly dirtied.
 * Projection is updated to translate and scale appropriately.
 * Depth rounding is halved on OpenGL to account for [-1, 1] range.

Fixes Phantasy Star Portable 2 without the need for a game-specific hack.
 2016-01-03 12:29:43 -08:00
Henrik Rydgard
f4248cb550 Remove a whole lot of flipping special cases 2015-11-02 20:07:30 +01:00
Henrik Rydgard
2430c283a5 More GPU cleaning, removing uses of GPUState.h where not needed. 
Want to get rid of direct accesses to GPUState in modules that may be reused in
my future next-gen backends, that will reformat display lists into command lists that will
then be optimized and executed, out of sync with the real GPUState.

Candidate modules that may be reused in full are Framebuffer and Depal, possibly TextureCache to some degree.
 2015-07-29 12:37:49 +02:00
Henrik Rydgard
01a1438dce Improve depth buffering in D3D by computing a depth-flipped proj matrix but only when needed. 2014-09-08 23:10:23 +02:00
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1f51fe7843 d3d: Avoid rewriting textures, just swizzle. 
Luckily A is in the same place and the same width, so we can do this for
all but framebuffers easily.

Technically we could do it in OpenGL as well.

Small (1-2%) performance improvement in FF2.
 2014-08-28 01:20:21 -07:00
Henrik Rydgard
1d7642fa48 Remove most mentions of the "_XBOX" define 2014-08-24 14:21:35 +02:00
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030b562eb9 Support render-to-offset within a framebuffer. 
Fixes #6324.
 2014-06-14 17:08:41 -07:00
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1d9f7b04fc Implement in-shader blending on gles2 / gl2. 
I'm sure it'll be slow, though...
 2014-06-13 23:42:59 -07:00
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acab898be0 Keep track of x/y offset for render-to-tex. 
Fixes intro in Valkyrie Profile now that we're wrapping correctly.
 2014-06-08 14:27:05 -07:00
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cc841bbe4c Apply tex wrap/clamp in shader for render-to-tex. 
Fixes graphical artifacts in Wild Arms XF (which depends on how you get
there, because it's based on the size of the framebuffer.)
 2014-06-07 13:13:58 -07:00
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f660c04983 Optimize double alpha blending for 1/0 textures. 
If the blend is 2*a / 1-a, and the alpha is either 1 or 0, we can still
use color doubling instead.  Fixes #3379 (Persona 2.)
 2014-05-11 14:17:19 -07:00
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748ce6a753 Fix typo breaking older savestates. 2014-04-21 22:40:50 -07:00
Henrik Rydgard
16f4622ac7 Remove cached light variables to reduce work when parsing DLs. 
Also removes some duplication between GL and the inactive D3D code.
 2014-04-21 12:51:19 +02:00
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58038c05fc Simplify gstate_c savestate code a bit. 
So it's not as awkward to modify.
 2014-04-13 15:16:51 -07:00
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4c1c694d4b Use flags to avoid hashing textures when unchanged. 
If only parameters change (like wrapping or clut, etc.) we don't need to
rehash the data - we know it hasn't changed.

Should reduce the distance between lazy texture hashing on and off.
 2014-04-13 14:22:39 -07:00
Ced2911
2ab34b5704 [gpu] Endian fix 2014-01-26 14:29:30 -08:00
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435115441d Reinitialize the GE on sceKernelLoadExec(). 
Mostly, reset the lists and draw completion, etc.

May be required for Capcom Classic Collection Reloaded to work.
 2013-11-28 15:35:12 -08:00
Henrik Rydgard
8c562a615f Bone matrix loading speedup. Bit of a hack but seems reliable enough. 2013-11-14 14:02:31 +01:00
Henrik Rydgard
7e67476b00 Simple unoptimized software skinning. 
Does not take advantage of the possible reduction in state changes yet.
 2013-11-13 18:10:57 +01:00
Sacha
aad70d8912 Symbian: Support software GPU. It seems to compile properly now. May allow Nokia 500 to run PPSSPP (albeit very slowly). 2013-11-12 16:20:52 +10:00
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3787471791 Add some initial methods to GPUDebugInterface. 2013-09-22 10:22:33 -07:00
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4078dcd917 Support save/restore of context on list run/finish. 2013-09-20 09:51:44 -07:00
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bb2e51160b Don't default lighting on / matrices filled. 
Seems like everything starts out at 0.
 2013-09-20 00:34:18 -07:00
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7906de26f7 Try to match especially the size of ge contexts. 
But also some of the actual data, most of it matches like this.
 2013-09-20 00:33:32 -07:00