Code unscale the texture to ease the conversion. Quality is awful (same as before)
but I'm not sure we can support an upscaled texture
Maybe the quality loss is due to the reduction without mipmap
Maybe the best solution will be to add an hack to extract the blue channel
(with texture swizzle), and uses a "full page/screen" spirte instead.
(it would be faster too)
Note: won't be compatible with MSAA (but gl doesn't support it anyway)
// In theory new textures contain invalidated data. Still in theory a new target
// must contains the content of the GS memory.
// In practice, TC will wrongly invalidate some RT. For example due to write on the alpha
// channel but colors is still valid. Unfortunately TC doesn't support the upload of data
// in target.
//
// Cleaning the code here will likely break several games. However it might reduce
// the noise in draw call debugging. It is the main reason to enable it on debug build.
//
// From a performance point of view, it might cost a little on big upscaling
// but normally few RT are miss so it must remain reasonable.
Game can directly uploads a background or the full image in
"CTRC" buffer. Previous code was a full black screen.
It will also avoid various black screen issue in gs dump.
hidden option: preload_frame_with_gs_data
Note: impact on upscaling was not tested and it's likely broken
Improve the rendering in MGS3 (even if the game is still broken
due to others TC issues)
// Typical bug (MGS3 blue cloud):
// 1/ RT used as 32 bits => alpha channel written
// 2/ RT used as 24 bits => no update of alpha channel
// 3/ Lookup of texture that used alpha channel as index, HasSharedBits will return false
// because of the previous draw call format
//
// Solution: consider the RT as 32 bits if the alpha was used in the past
It avoid various upscaling glitches on GS post-processing effect
// 1/ Palette is used to interpret the alpha channel of the RT as an index.
// Star Ocean 3 uses it to emulate a stencil buffer.
// 2/ Z formats are a bad idea to interpolate (discontinuties).
// 3/ 16 bits buffer is used to move data from a channel to another.
//
// I keep linear filtering for standard color even if I'm not sure that it is
// working correctly.
// Indeed, texture is reduced so you need to read all covered pixels (9 in 3x)
// to correctly interpolate the value. Linear interpolation is likely acceptable
// only in 2x scaling
//
// Src texture will still be bilinear interpolated so I'm really not sure
// that we need to do it here too.
//
// Future note: instead to do
// RT 2048x2048 -> T 1024x1024 -> RT 2048x2048
// We can maybe sample directly a bigger texture
// RT 2048x2048 -> T 2048x2048 -> RT 2048x2048
// Pro: better quality. Copy instead of StretchRect (must be faster)
// Cons: consume more memory
//
// In distant future: investigate to reuse the RT directly without any
// copy. Likely a speed boost and memory usage reduction.
It seems to impacts lots of games that still have issue (VP2, MTG3, PoP)
The PSMT32 format is read a PSMT8. I think we need to convert it as PSMT8H (i.e.
unpack it to have only an alpha channel)
GS doesn't supports texture shuffle/swizzle so it is emulated in a
complex way.
The idea is to read/write the 32 bits color format as a 16 bit format.
This way, RG (16 lsb bits) or BA (16 msb bits) can be read or written with
square texture that targets pixels 1-8 or pixels 8-16.
However shuffle is limited. For example you can copy the green channel
to either the alpha channel or another green channel.
Note: Partial masking of channel is not yet implemented
V2: improve logging
V3: better support of green channel in shader
V4: improve detection of destination (issue due to rounding)
When the RT is used as an input texture, we need to rescale it.
Previous behavior was to always uses a linear filtering (more smooth).
Unfortunately it broke some games that expected an exact value like Star Ocean 3
This commit will disable the linear filtering in normal filtering mode (filter = 0
or filter = 2)
This way, shadow of Star Ocean 3 will appear correctly in upscaling (not
100% perfect but can't do better)
Note: SO3 only requires a nearest sampling of the alpha channel but
I don't know the behavior for others games.
Slight adjustments to positions in the GUI also (OCD'd the spacing a little :P)
git-svn-id: http://pcsx2.googlecode.com/svn/trunk@5796 96395faa-99c1-11dd-bbfe-3dabce05a288
* use svnrev.h on linux too
* replace sprintf_s with snprintf (hope it still compile on Windows)
* init integer with 0 instead of NULL
* various int -> u32/uint32/uint on for loop index
* remove a couple of unused variable
* init few variable
* disable unused warning results
git-svn-id: http://pcsx2.googlecode.com/svn/trunk@5683 96395faa-99c1-11dd-bbfe-3dabce05a288
So, in the end I only properly understood the old code after finding all the problems with my version. I'm not sure whether any changes I've made are improvements any more, I'll need to review it with what I've learned in mind. This effort might've been a big waste of time.
git-svn-id: http://pcsx2.googlecode.com/svn/trunk@5329 96395faa-99c1-11dd-bbfe-3dabce05a288
GSDX: (Old bug) When looking up a texture in the cache, the check didn't take into account CLUT formats, nor did it skip this check when "8 bit textures" is enabled.
git-svn-id: http://pcsx2.googlecode.com/svn/trunk@5292 96395faa-99c1-11dd-bbfe-3dabce05a288
Change a texture cache hack to fix half the flickering FMV games.
It could have issues though, or randomly fix other stuff. Please test :p
git-svn-id: http://pcsx2.googlecode.com/svn/trunk@5130 96395faa-99c1-11dd-bbfe-3dabce05a288
Another refinement to the Wild Arms hack by KrossX.
The hack now only applies to one kind of geometry (sent using the unpacked UV handler).
This works nicer in Wild Arms as it fixes "jumpy" characters.
git-svn-id: http://pcsx2.googlecode.com/svn/trunk@5124 96395faa-99c1-11dd-bbfe-3dabce05a288
Adding KrossX's Wild Arms text alignment hack to the new dialog box. This hack is actually very interesting for a number of games. It should work well in cases where game designers adjusted everything pixel perfect for the GS, that usually breaks with upscaling.
It should be generalized and renamed later.
git-svn-id: http://pcsx2.googlecode.com/svn/trunk@5120 96395faa-99c1-11dd-bbfe-3dabce05a288
Committing a hack KrossX prepared (thanks) ;)
It can be used to fix bad character sprites in Gust games.
git-svn-id: http://pcsx2.googlecode.com/svn/trunk@5101 96395faa-99c1-11dd-bbfe-3dabce05a288
This makes the Arc the Lad fog issue go away.
Review would be nice though :)
git-svn-id: http://pcsx2.googlecode.com/svn/trunk@5011 96395faa-99c1-11dd-bbfe-3dabce05a288
- 0: no multi-threading
- 1: gif packet processing and texture uploads run parallel with rendering, the slowest decides the fps, dual-cores can still suffer by the spin loops, I'll check that when I compile pcsx2 on my notebook
- 2: two rendering threads, on a decent cpu packet processing is going to be slower now, this is probably going to increase fps the most on quads
- 3: small fps increase
- 4+: even smaller.
If you have a quad cpu with HT, 6 is the max, 1 + 1 is needed for pcsx2 and gsdx's basic tasks.
Also hacked palette writes to not force a read-back in hw mode (added in previous rev), it hit render targets in a surprising large number of games.
git-svn-id: http://pcsx2.googlecode.com/svn/trunk@4998 96395faa-99c1-11dd-bbfe-3dabce05a288
Important: this is not a fix of the cause of the crashes, it just bypasses cases of sure crash. Once that spot is bypassed, things can go wrong elsewhere. Generally, however, things just continue normally. E.g. GT4 (camera changes), Tourist Trophy (camera changes), MGS3 (codec screen when CRC hacks are disabled) and probably more - now don't crash anymore, even at high resolution (but might still get some slowdowns).
git-svn-id: http://pcsx2.googlecode.com/svn/trunk@4895 96395faa-99c1-11dd-bbfe-3dabce05a288
Fallback to the old render target read for games that do block level reads (Gust titles).
git-svn-id: http://pcsx2.googlecode.com/svn/trunk@4643 96395faa-99c1-11dd-bbfe-3dabce05a288
Fixed Busin 0: Wizardry and Chaos Legion in hardware rendering, possibly others (that read back the output) as well.
The fix could use a review though, as I'm not sure it's safe :p
git-svn-id: http://pcsx2.googlecode.com/svn/trunk@4639 96395faa-99c1-11dd-bbfe-3dabce05a288
- Allow filtering setting for native resolution hardware rendering, as it's not tied to the resolution.
- Add ST / UV coordinate tweaking defines to more easily debug small rendering glitches.
- Add a define to bypass the hardware renderer texture cache. With this enabled, speed drops to slower than software rendering.
It fixes nearly all hardware rendering issues though and can be used to see how games *would* look if we had a new cache ;)
Thanks for the help, sudonim :)
git-svn-id: http://pcsx2.googlecode.com/svn/trunk@4635 96395faa-99c1-11dd-bbfe-3dabce05a288
- GSWnd is not implemented, no config dialogs either
- no output, just the null device
- threading classes were not tested (my first experience with pthread)
git-svn-id: http://pcsx2.googlecode.com/svn/trunk@4315 96395faa-99c1-11dd-bbfe-3dabce05a288
- Moved the offset hack to CreateSource(), it can work a bit more selectively there.
git-svn-id: http://pcsx2.googlecode.com/svn/trunk@2714 96395faa-99c1-11dd-bbfe-3dabce05a288
- The earlier FFX fix killed fmv in Xenosaga 2. Hacked up a bit more now! :p
- Few more CRC (Note: I will look at GoW 2 once I have time and dumps, not before!)
git-svn-id: http://pcsx2.googlecode.com/svn/trunk@2660 96395faa-99c1-11dd-bbfe-3dabce05a288
- Scene menu and pause screen transitions in FFX, FFX-2 and Grandia3 get invalidated (fixed) again.
No idea why Gabest ever turned that fix off. Coded by Feal87.
git-svn-id: http://pcsx2.googlecode.com/svn/trunk@2648 96395faa-99c1-11dd-bbfe-3dabce05a288
- Feal87 found and fixed a problem with shadows in Silent Hill Origins. Might help other games as well.
- Bit better fix for GoW's "wall of fog" problem. Patch originally from ZeroGravity.
Thanks guys :p
git-svn-id: http://pcsx2.googlecode.com/svn/trunk@2647 96395faa-99c1-11dd-bbfe-3dabce05a288
- Depth texture removal hack can now be configured via gamefix_skipdraw = x. (Front Mission 5)
git-svn-id: http://pcsx2.googlecode.com/svn/trunk@2423 96395faa-99c1-11dd-bbfe-3dabce05a288
- Converted an upscale hack to the format I plan to use from now on. (Also makes this hack work better :p)
git-svn-id: http://pcsx2.googlecode.com/svn/trunk@2422 96395faa-99c1-11dd-bbfe-3dabce05a288
- Added a macro that disables any upscale hacks.
- More work on the dx10 renderer upscale hacks.
PCSX2:
- Changed a warning so it reads more like a notice :p
git-svn-id: http://pcsx2.googlecode.com/svn/trunk@2366 96395faa-99c1-11dd-bbfe-3dabce05a288
- Remove the silly upscale hacks from an earlier commit
- Replace them with a less silly version in CreateSource() :p
- Remove a few of the outer pixels from the visible area, as they often contain glitches
git-svn-id: http://pcsx2.googlecode.com/svn/trunk@2241 96395faa-99c1-11dd-bbfe-3dabce05a288
- Reduced the overhead of the new scaler. Instead of just using 1024*1024 blindly, it tries to adapt to games native resolutions.
- Yet another change to IncAge(), since it seems to be (mis)used to do texture invalidation. (Fixes Disgaea 2 when booting through the BIOS)
- Added some comments
Note:
Before working on the texture cache GetDisplayRect(),GetFrameRect() and GetDeviceSize() really need fixing. It's useless to try and find surfaces when not knowing the real size of things.
git-svn-id: http://pcsx2.googlecode.com/svn/trunk@2174 96395faa-99c1-11dd-bbfe-3dabce05a288
- Added some sad attempt to fix small upscale annoyances. It's very hackish but better than nothing :p
- Small cleanups
git-svn-id: http://pcsx2.googlecode.com/svn/trunk@2169 96395faa-99c1-11dd-bbfe-3dabce05a288
- Bring back IncAge() for textures to avoid excessive memory usage by some games.
git-svn-id: http://pcsx2.googlecode.com/svn/trunk@2140 96395faa-99c1-11dd-bbfe-3dabce05a288
- Fixed many flickering scene change transitions (FF12, Gust games, etc).
- Found more info on how games do some special effects. Preliminary code included, but disabled.
git-svn-id: http://pcsx2.googlecode.com/svn/trunk@2101 96395faa-99c1-11dd-bbfe-3dabce05a288
- More work on the configuration, preparing for some reorganization.
- 8 Bit textures default to off again, since there are issue reports (mainly from ATI users).
- Add a gamefix that allows users to set an amount of "bad" frames to be skipped.
Add gamefix_skipdraw = x to the GSdx.ini to enable. (More work on this soon)
git-svn-id: http://pcsx2.googlecode.com/svn/trunk@2085 96395faa-99c1-11dd-bbfe-3dabce05a288
- Worked on the configuration dialog, bringing in the scaler option
- Changed the DeviceSize code to use Jake's kinda better method. Fixes some odd resolution games :)
git-svn-id: http://pcsx2.googlecode.com/svn/trunk@2061 96395faa-99c1-11dd-bbfe-3dabce05a288
- The Xenosaga fix was wrong, this is better.
- Disabled the pitch conversion code, it's too broken to be used :/
git-svn-id: http://pcsx2.googlecode.com/svn/trunk@2058 96395faa-99c1-11dd-bbfe-3dabce05a288
Added a somewhat more accurate upscale option via GSdx.ini. Not tested much! :p
git-svn-id: http://pcsx2.googlecode.com/svn/trunk@2055 96395faa-99c1-11dd-bbfe-3dabce05a288
Fix Xenosaga 2 and 3 fog effect, not sure it's handled correctly but at least it's handled.
git-svn-id: http://pcsx2.googlecode.com/svn/trunk@2050 96395faa-99c1-11dd-bbfe-3dabce05a288
* Removed GSTextureFX classes
* Built shaders right into GSState classes, using GSStateDX as an interface, so that all shader caches get auto-destroyed along with GSState.
In addition to being a bit of a code cleanup, it should be a bit more efficient too since all of the extra dereferences to GSState from GSTextureFX have been removed. :)
git-svn-id: http://pcsx2.googlecode.com/svn/branches/GSopen2@1849 96395faa-99c1-11dd-bbfe-3dabce05a288
- trying the dx10.1-only "gather" shader instruction for palletized lookups ("8-bit texture" mode), saves 4 instructions which isn't much but still... (not tested, don't have ati)
- may fix the intel gma "no output" bug (don't have gma either :P)
- and the usual small code optimizations
git-svn-id: http://pcsx2.googlecode.com/svn/trunk@1549 96395faa-99c1-11dd-bbfe-3dabce05a288
Gregory Hainaut