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235 Commits

Author SHA1 Message Date
Albert Liu
1a0b1a3149 GPU: Use accurate VRAM display width rounding 
Modified version of Nocash algorithm, confirmed with hardware test.
Relies on proper horizontal display range rounding for correct results.
 2020-10-21 23:17:39 -07:00
Albert Liu
bbaebfd4c9 GPU: Round horizontal display range values down to clockdiv multiple 
GP1(06h) X1 and X2 are persistent across clockdiv changes, but the GPU
actively uses rounded values for display output. This behavior is
modeled by storing the rounded values in horizontal_display_start and
horizontal_display_end. Verified with hardware test.
 2020-10-21 23:17:39 -07:00
Connor McLaughlin
27697d0508 System: Implement CPU overclocking [SAVEVERSION+] 
Partial credit to @CookiePLMonster as well.
 2020-09-30 23:48:34 +10:00
Connor McLaughlin
cacf7a7cc9 GPU: Precompute texture window expression [SAVEVERSION+] 2020-09-30 23:03:52 +10:00
Connor McLaughlin
d73271ec0a GPU: Add option to force 4:3 for 24-bit content (e.g. FMVs) 2020-09-26 15:11:45 +10:00
Connor McLaughlin
f990d6ab3b GPU: Idle bit should be clear during an incomplete command 2020-09-24 22:16:15 +10:00
Silent
1918a5ddd4
STBI: Handle UTF-8 paths correctly 2020-09-14 21:27:22 +02:00
Connor McLaughlin
13e3095801 Core: Don't link to imgui for libretro core 2020-09-01 12:22:32 +10:00
Connor McLaughlin
60d3fffec1 Add per-game overrides (mainly for compatibility) 2020-08-21 00:09:37 +10:00
Connor McLaughlin
c9c2c00c1a GPU: Update GPUSTAT.13 with field 
Doubt this'll change much..
 2020-08-19 00:02:37 +10:00
Connor McLaughlin
f65651823e GPU: Simplify hsync handling 
Fixes character lighting in Monkey Hero.
 2020-08-17 01:22:03 +10:00
Connor McLaughlin
10a46a7fd8 OSD: Add option to show display resolution 2020-08-16 00:20:11 +10:00
Connor McLaughlin
d4665e8b22 GPU: Tweaks to ODE handling 
Fixes Team Buddies and The Next Tetris.
 2020-08-16 00:20:10 +10:00
Connor McLaughlin
818892cb1b GPU: Claer interlaced field buffer when enabling 
Fixes old frames getting briefly displayed.
 2020-08-03 03:26:13 +10:00
Connor McLaughlin
9b7512f7b8 GPU/HW: Implement automatic resolution scale from window size 2020-08-03 03:06:03 +10:00
Connor McLaughlin
4d9c2c1b6c GPU: Ensure pending time is used in events 
Fixes long delay in Syphon Filter.
 2020-08-02 14:09:22 +10:00
Connor McLaughlin
0c1b637549 PGXP: Add initial implementation 2020-08-02 00:25:07 +10:00
Connor McLaughlin
b6f871d2b9
JIT optimizations and refactoring (#675) 
* CPU/Recompiler: Use rel32 call where possible for no-args

* JitCodeBuffer: Support using preallocated buffer

* CPU/Recompiler/AArch64: Use bl instead of blr for short branches

* CPU/CodeCache: Allocate recompiler buffer in program space

This means we don't need 64-bit moves for every call out of the
recompiler.

* GTE: Don't store as u16 and load as u32

* CPU/Recompiler: Add methods to emit global load/stores

* GTE: Convert class to namespace

* CPU/Recompiler: Call GTE functions directly

* Settings: Turn into a global variable

* GPU: Replace local pointers with global

* InterruptController: Turn into a global pointer

* System: Replace local pointers with global

* Timers: Turn into a global instance

* DMA: Turn into a global instance

* SPU: Turn into a global instance

* CDROM: Turn into a global instance

* MDEC: Turn into a global instance

* Pad: Turn into a global instance

* SIO: Turn into a global instance

* CDROM: Move audio FIFO to the heap

* CPU/Recompiler: Drop ASMFunctions

No longer needed since we have code in the same 4GB window.

* CPUCodeCache: Turn class into namespace

* Bus: Local pointer -> global pointers

* CPU: Turn class into namespace

* Bus: Turn into namespace

* GTE: Store registers in CPU state struct

Allows relative addressing on ARM.

* CPU/Recompiler: Align code storage to page size

* CPU/Recompiler: Fix relative branches on A64

* HostInterface: Local references to global

* System: Turn into a namespace, move events out

* Add guard pages

* Android: Fix build
 2020-07-31 17:09:18 +10:00
Albert Liu
c44e74db80 GPU: Compute VRAM display width from GP1(06h) values 
Fixes overpadding in some specific cases, e.g. when cropping overscan in
Captain Commando.
 2020-07-11 10:57:23 -07:00
Albert Liu
e42d5fed75 GPU: Adjust 4-pixel boundary alignment formula 
Fixes missing edge in Tenchi wo Kurau II: Sekiheki no Tatakai.
 2020-07-05 06:00:36 -07:00
Albert Liu
000a51298a GPU: Don't round screen size to 4-pixel multiple 2020-07-05 06:00:36 -07:00
Albert Liu
e2b1158514 GPU: Report CRTC padding as signed in debug window 2020-07-05 06:00:36 -07:00
Connor McLaughlin
511c3133f1 GPU: Let GPU catch up before handling GP1 reset commands 
Fixes trashed VRAM writes in some homebrew.
 2020-07-05 02:25:56 +10:00
Connor McLaughlin
1231f6dafe GPU: Handle GP1 command mirrors 2020-07-04 01:28:18 +10:00
Connor McLaughlin
8a8ce8d41c NamcoGunCon: Use correct GPU clock as reference 2020-07-03 01:51:05 +10:00
Connor McLaughlin
936d92dfb8 System: Add option to force start in software mode 2020-06-30 02:44:19 +10:00
Connor McLaughlin
dad63f2303 GPU: Run draw clock at sysclk * 2 2020-06-13 01:40:05 +10:00
Connor McLaughlin
bdf9c91271 GPU: Fix double shader compilation 2020-06-09 03:04:02 +10:00
Connor McLaughlin
b4e45e865a GPU: Use correct clocks for NTSC region 
Fixes sync drift in Bust-a-Move 1/2.
 2020-06-07 19:15:06 +10:00
Connor McLaughlin
3848276fa2 GPU: Improvements to height calculations when interlaced 
Fixes screen doubling with interlacing force disabled, as well as
incorrect cropping area when non-interleaved framebuffers are used.
 2020-06-02 20:52:07 +10:00
Connor McLaughlin
23436f08ba GPU/HW: More improvements to GPUSTAT.31 
Fixes True Pinball without breaking intros to Final Fantasy 7/8.
 2020-05-26 22:57:58 +10:00
Connor McLaughlin
e368dbbadc GPU: Implement non-interleaved interlaced rendering 
Fixes screen shaking in True Pinball.
 2020-05-26 03:18:05 +10:00
Connor McLaughlin
19cebd97da GPU: Further refinements to crop overscan 
Fixes flickering line in South Park.
 2020-05-17 19:23:48 +10:00
Connor McLaughlin
0ef0c36704 GPU: Align display widths to 4 pixels 
Documentation thanks to nocash.

Fixes line on edge in X2 - No Relief, Gunbird.
 2020-05-17 18:46:59 +10:00
Connor McLaughlin
664bd06df6 GPU: Don't recursively execute commands 
This can happen with interlaced rendering on when a line is pending
scanout and a primitive is drawn.

Fixes screen transitions in Slap Happy Rhythm Busters.
 2020-05-17 17:58:48 +10:00
Connor McLaughlin
2185bbec73 GPU: Display state in debug window 2020-05-17 14:11:42 +10:00
Connor McLaughlin
597aa20d83 GPU: Don't panic when FIFO is non-empty with VRAM->CPU copy 
This probably is not a good state to be in though, since the DMA request
gets turned off and will never resume until it's copied out.
 2020-05-17 14:05:31 +10:00
Connor McLaughlin
b25ed6c151 GPU: Fix interlaced rendering in vblank breaking 2020-05-17 01:02:20 +10:00
Connor McLaughlin
c114873ed8 GPU: Fix height underflow in CRTC calculations 2020-05-14 01:25:43 +10:00
Connor McLaughlin
3472e37d21 GPU: Synchronize before clearing FIFO 2020-05-14 01:25:10 +10:00
Connor McLaughlin
c0ea35ccdc GPU: Fix parameters not applying on startup 2020-05-14 01:24:39 +10:00
Connor McLaughlin
65c42cd30e GPU: Don't use field offset for ODE in vblank 2020-05-11 22:26:10 +10:00
Connor McLaughlin
5a1b00825d GPU: Fix timer 1 IRQs sometimes triggering late 
Should hopefully fix missing voices in Akuji the Heartless.
 2020-04-28 20:31:16 +10:00
Connor McLaughlin
be9033b6c0 SPU: Add missing clamp in ADPCM decoder 2020-04-28 17:55:43 +10:00
Connor McLaughlin
8c6cb877eb GPU: Disable display when CRTC configuration is invalid 2020-04-27 21:49:34 +10:00
Connor McLaughlin
2ffcad3d37 GPU: Add method to convert from window coordinates to beam ticks/lines 2020-04-26 01:22:56 +10:00
Connor McLaughlin
b893c0abf5 GPU/Software: Fix copies when overlapping and oversized 2020-04-20 00:54:50 +10:00
Connor McLaughlin
1757932b3a GPU: Implement FIFO and timings 
This will cause a slight performance loss. I've left some knobs in which
can be tweaked to mitigate this, but the goal is to be compatible with
all games which require them.
 2020-04-19 01:17:28 +10:00
Connor McLaughlin
7779a54bc5 GPU: Rename 'Force Progressive Scan' to 'Disable Interlacing' 
It affects rendering as well as display/scanout now, after all.
 2020-04-11 16:37:53 +10:00
Connor McLaughlin
9e024b7a51 GPU: Handle VRAM wrap-around behavior on scanout 2020-04-11 16:09:03 +10:00