Initially we copy pitch by line in the PBO and tell the dma to only
use the first valid byte.
Now, we only copy useful data to the PBO. It reduce the copy and PBO memory requirement.
It seems a bit faster on native resolution
If there is no overlap, it is allowed to directly read from the render target.
On SotC testcase with 6x scaling: 30fps -> 40fps
Note: it requires GL_ARB_texture_barrier extension so be sure to have a recent driver
Note2: it requires a lots of testing too
Open question: in case of complex date (written alpha)
Will it be faster to split the draw call into multiple call with no
primitive overlap
UserHacks_UnscaleSprite = 1 will unscale flat sprites
UserHacks_UnscaleSprite = 2 will unscale all sprites (don't work well so far)
The idea of the hack is to redo the interpolation of texture coordinate
based on the non-upscaled pixel position.
It avoids various glitches but sprites aren't upscaled anymore (so no
more anti-aliasing, potentially a coefficient can be added).
* Don't use the stack
* Don't compare MinMax parameter (depends of others)
* Don't store not-compared parameter in the cache (HalfTexel/MinMax)
+0.3fps/46fps (well better than nothing)
* Only a single VAO
=> Format is set once
=> Only a single bind at startup
=> GSVertexBufferStateOGL is nearly useless
=> barely faster but better than nothing :)
* use DebugOutputToFile as a callback of gl error. Add a breakpoint to
find the culprit GL call
* use string instead of char[n]
Note: CheckDebugLog is potentially useless now
Add the --gles build option to the linux main script
Ifdef all gl code not supported on gles3 (note some will be reenabled for gles3.1)
Note: it probably doesn't run anymore. My Nvidia driver doesn't support
yet egl/gles so I can't test it. Feel free to contribute.
* restore the old fxaa (Asmodeam will be integrated when I got time)
* port the recently added new scanline algo
git-svn-id: http://pcsx2.googlecode.com/svn/trunk@5818 96395faa-99c1-11dd-bbfe-3dabce05a288
* try to use more subroutine on VS&PS, unfortunately hit a driver crash!
* Call Attach/DetachContext through GSDevice so I can unmap currently mapped buffer
* Implement glsl part of GL_ARB_bindless texture, again hit another driver crash!
* various fix of GL_ARB_buffer_storage. Basic benchmark show only improvement on 'cold' case, I guess it will improve smoothness
* try to fix GL_clear_texture, no success so far. It seem the extension is limited to basic texture (aka no depth/stencil)
git-svn-id: http://pcsx2.googlecode.com/svn/trunk@5752 96395faa-99c1-11dd-bbfe-3dabce05a288
* GL_ARB_shader_subroutine for perf
fix for nvidia => add missing shader declaration. Nvidia got +4fps on colin3 :)
For the moment only 2 PS parameters are supported. Code need to be extended to support others games that often
switch shader program (like xenosaga).
require GL4 class hardware and the option override_GL_ARB_shader_subroutine = 1
Note: strangely on AMD linux it is slower!
* GL_ARB_shader_image_load_store for accuraccy (Date)
Use a signed integer texture and reenable color buffer writing
Current status: Amagami_transparency.gs & P3_battle_shadows.gs are now working on Nvidia with a small perf impact.
Current implementation detail:
1/ setup the standard stencil as before
2/ on remaining pixel, draw once to compute first primitive that will write a fail alpha value.
3/ final draw based on primitive id of step 2
Note: I think we would get a bad behavior if depth test&mask are enabled on step 2/3
Note2: on my limited testcase the perf impact was on CPU. It would be possible to merge step1&2 to nullifying it (could
even be faster actually), however it would require more GPU power.
Again require GL4 class hardware. And the option UserHacks_DateGL4 = 1
git-svn-id: http://pcsx2.googlecode.com/svn/trunk@5725 96395faa-99c1-11dd-bbfe-3dabce05a288
* some preliminary work to test/benchmark bindless texture in the future (glsl was not yet updated)
Bindless texture allow to get a GPU texture pointer and then set it directly
to the shader as a basic uniform.
=> no more texture unit selection/validation
=> no more texture validation neither texture hash lookup
3rdparty: update gl header to the latest gl4.4
git-svn-id: http://pcsx2.googlecode.com/svn/trunk@5720 96395faa-99c1-11dd-bbfe-3dabce05a288
Card that support gs:
remain only a gs to generate sprite from a line. Even dummy gs are costly for the GPU.
Card that don't support gs:
remove useless copy of color for line and triangle primitives
Note for dx: opengl 3.2 (maybe not gles) supports both flat interpolation
convention (GL_FIRST_VERTEX_CONVENTION or GL_LAST_VERTEX_CONVENTION). It might
be possible to shuffle vertex index to put the last vertex in first position.
- buff[0] = head + 0;
- buff[1] = head + 1;
- buff[2] = head + 2;
+ buff[0] = head + 2;
+ buff[1] = head + 1;
+ buff[2] = head + 0;
git-svn-id: http://pcsx2.googlecode.com/svn/trunk@5718 96395faa-99c1-11dd-bbfe-3dabce05a288
The idea was to replace shader program swith by pointer function calls inside
shaders. At least parameters that are often changed between draw call. So far
I only ported atst and colclip. Unfortunately code is "slower" (on GSdx standalone).
For the moment keep the code but disabled.
If I understand well the validation of program is done in the "driver thread"
but the additional call are done in the overloaded MTGS thread. Apitrace
profiling shows faster GPU draw calls. Another possibility is that the driver still
need to validate the draw call because of others state change.
Here some stats on colin3 (90 frames):
without subroutine: UseProgram 125246
with subroutine: UseProgram 2906, subroutine 125945 => 3605 extra calls overhead (not
all parameters are ported to subroutine)
git-svn-id: http://pcsx2.googlecode.com/svn/trunk@5715 96395faa-99c1-11dd-bbfe-3dabce05a288
Note: I think we can do the same on DX11
Perf wise: on colin mcrae 3 it reduces shader prog setup from 3005 to 2086 each frames. It saves 2 ms of CPU processing (27->29fps)
git-svn-id: http://pcsx2.googlecode.com/svn/trunk@5714 96395faa-99c1-11dd-bbfe-3dabce05a288
* move most of gl states into a separate namespace. Extend it to depth/stencil/blend micro state
=> save 10,000 opengl call by frame for colin mcrae 3
* Only setup blend state of first drawbuffer
* Don't request anymore a debug context on dev/release build
git-svn-id: http://pcsx2.googlecode.com/svn/trunk@5713 96395faa-99c1-11dd-bbfe-3dabce05a288
* preliminary work for GL4.4 extensions (ARB_clear_texture & ARB_multi_bind). Disabled until I got a 4.4 driver
Note: I plan also to use ARB_buffer_storage
* compute texture gl option in the constructor (avoid a couple of swith case)
* redo texture unit management. Unit 0-2 for shaders, Unit 3 for texture operations. MultiBind will allow to bind
shader input without disturbing texture binding points.
git-svn-id: http://pcsx2.googlecode.com/svn/trunk@5711 96395faa-99c1-11dd-bbfe-3dabce05a288
* add a non-working hack: UserHacks_DateGL4, goal was to replace UserHacks_AlphaStencil
+ Detection of good/bad samples is based on primitive ID variable. However I'm not sure
the behavior is always the same between draw call...Anyway let's keep a copy of the current
work
* Dump integer texture into text csv
* add gl4.2 ARB_shader_image_load_store extension (needed by UserHacks_DateGL4)
git-svn-id: http://pcsx2.googlecode.com/svn/trunk@5707 96395faa-99c1-11dd-bbfe-3dabce05a288
* allow to switch renderer with F9
* skip first frame in stat of the replayer
* drop msaa. Fxaa and internal resolution will do the job
* move texture attachment from texture object into device object (allow to keep sanely the state)
* split the write buffer and attachment setup
* completely split sampler and texture input setup
* redo GSDeviceOGL::CopyOffscreen to avoid an extra copy.
git-svn-id: http://pcsx2.googlecode.com/svn/trunk@5704 96395faa-99c1-11dd-bbfe-3dabce05a288
* use gles header file, disable opengl code (mainly GLX, ARB_sso, geometry shader)
* Define properly the function pointer, GLES use basic linking whereas GL must get the symbol dynamically
* cmake: properly search and set libglesv2.so
* don't use dual source blending => HW renderer work (only miss unimportant FBA)
git-svn-id: http://pcsx2.googlecode.com/svn/trunk@5701 96395faa-99c1-11dd-bbfe-3dabce05a288
* remove the possibility to compile shader from file. Some people loads older shaders...
The feature might be readded later
git-svn-id: http://pcsx2.googlecode.com/svn/trunk@5697 96395faa-99c1-11dd-bbfe-3dabce05a288
* Separate state and shader compilation into separate function
* replace various hash_map by basic array
* Compact VertexScale and offset into a single vec4
* add the new option "ogl_vertex_subdata": subdata is faster on FGLRX, test are welcome on Nvidia drivers
0 => use map/unmap
1 => use subdata
replay: add "linux_replay" option and compute some nice stat (mean, standard deviation)
cmake: recreate shader header at build time
git-svn-id: http://pcsx2.googlecode.com/svn/trunk@5682 96395faa-99c1-11dd-bbfe-3dabce05a288
* Don't write color during stencil. Keep the old method to ease debug
* Realign date shader on DX
* keep stencil ref to 1. Reduce stencil management burder
* Fix texture pitch (was in pixels but need bytes). Fix Bleach Blade Battlers 2. Thanks Miseru for your trace
Remember note:
fxaa -> not yet implemented
msaa -> not implemented (I might drop it actually)
8 bit texture -> not yet implemented
git-svn-id: http://pcsx2.googlecode.com/svn/branches/gsdx-ogl-wnd@5657 96395faa-99c1-11dd-bbfe-3dabce05a288
* factorize sample object creation
* remember frame buffer attachment state
* Use a basic context on EGL. Allow to use Mesa 9.1 on AMD GPU.
* precompile vertex and geometry shader to avoid benchmark polution on replay
* Try harder to detect FGLRX driver on window
* various clean
Remain to fix the coordinate system for upscaling
git-svn-id: http://pcsx2.googlecode.com/svn/branches/gsdx-ogl-wnd@5651 96395faa-99c1-11dd-bbfe-3dabce05a288
* clean texture management & use different texture unit for various texture operation
* separate sampler and texture setup
* Always disable GL_SCISSOR_TEST before any cleaning to be sure the all pixels are reset
* properly set upscale_multiplier in the linux gui (was mixed with msaa). Unfortunately it is still broken...
* Fix EGL with GSopen1
* Use stdcall for function definition in the replay (avoid segmentation fault)
* Directly use gl_Position in shader instead of an extra user defined variable
git-svn-id: http://pcsx2.googlecode.com/svn/branches/gsdx-ogl-wnd@5648 96395faa-99c1-11dd-bbfe-3dabce05a288
* remove an old&useles dummy geometry shader (was used to workaround amd bug)
* use a basic X11 window for GSopen1
* redo the replayer: it is now based on dlopen rather than standard static/dynamic library. AMD driver doesn't play nicely with the later...
git-svn-id: http://pcsx2.googlecode.com/svn/branches/gsdx-ogl-wnd@5639 96395faa-99c1-11dd-bbfe-3dabce05a288
* replace both DISABLE_GL41_SSO and DISABLE_GL42 macro with a dynamic check based on the extension support
* glsl2h: use static instead of extern
git-svn-id: http://pcsx2.googlecode.com/svn/branches/gsdx-ogl-wnd@5636 96395faa-99c1-11dd-bbfe-3dabce05a288
* add a perl script to convert shader to char*
* By default use *.glsl file (handy to do some trials).
Only drawback, glsl2h need to be manually called at the moment
git-svn-id: http://pcsx2.googlecode.com/svn/trunk@5632 96395faa-99c1-11dd-bbfe-3dabce05a288
* workaround AMD driver bleding issue (got at least a nice rendering in GoW)
* would run on the opensource driver when they support geometry shader
Stil got some crash on the driver. Arg!!!
FGLRX user if you want to do some trials
uncomment #define DISABLE_GL41_SSO in GSdx/config.h
git-svn-id: http://pcsx2.googlecode.com/svn/trunk@5630 96395faa-99c1-11dd-bbfe-3dabce05a288
* Use bigger index for Uniform buffer to avoid any collision with sampler.
* add a new config to disable openGL 4.2 requirement. Would be done at runtime later.
git-svn-id: http://pcsx2.googlecode.com/svn/trunk@5620 96395faa-99c1-11dd-bbfe-3dabce05a288
* port KrossX patch from r5556 to openGL
* add a basic gui entry, would love an additional description
* also add the pointsampler hack but don't activate it yet
git-svn-id: http://pcsx2.googlecode.com/svn/trunk@5570 96395faa-99c1-11dd-bbfe-3dabce05a288
* Update project files
* basic compilation fix: include stdafx, s/uint/uint32/
* add selection of the opengl renderer/device in gsopen
Remain to fix opengl function declaration/initialization
git-svn-id: http://pcsx2.googlecode.com/svn/branches/gsdx-ogl-wnd@5505 96395faa-99c1-11dd-bbfe-3dabce05a288
* move all remaining glx into the dedicated GLwin object
* rework a bit WGL to separate opengl context and window creation (like linux actually)
gsdx: Allow to control vsync. Not sure I used the good extension.
cmake:
* check that EGL opengl context creation
* Shut up gcc warning when force inline might not work...
git-svn-id: http://pcsx2.googlecode.com/svn/trunk@5437 96395faa-99c1-11dd-bbfe-3dabce05a288
* add some dummy shader. Can be modify inside the debugger apitrace
* glclear* commands` seem to depend on scissor test and depth mask. Allow full write for the depth buffer
* texture debug, try to output some nice colors for the depth buffers
git-svn-id: http://pcsx2.googlecode.com/svn/trunk@5365 96395faa-99c1-11dd-bbfe-3dabce05a288
* Keep the state of the draw buffer (save few opengl call)
* AMD fix the shader unloading (12.2 and above). So disable the workaround
git-svn-id: http://pcsx2.googlecode.com/svn/branches/gsdx-ogl@5137 96395faa-99c1-11dd-bbfe-3dabce05a288
* Use the new map interface/separate texture coordinate inside shader
* support new format on texture
Note: it is quite instable with various crashes and GL error but at least it compiles now :p
git-svn-id: http://pcsx2.googlecode.com/svn/branches/gsdx-ogl@5094 96395faa-99c1-11dd-bbfe-3dabce05a288
* implement some missing shader for DATE, invert coordinate like strech rectangle
* Use glCopyImageSubDataNV nvidia extension to copy image (you need latest AMD drivers)
git-svn-id: http://pcsx2.googlecode.com/svn/branches/gsdx-ogl@5086 96395faa-99c1-11dd-bbfe-3dabce05a288
* fix bad setup issue for constant blend factor
* Use a read framebuffer to read back the texture (less disruptive)
* cmake separate the loader to the main plugins
git-svn-id: http://pcsx2.googlecode.com/svn/branches/gsdx-ogl@5064 96395faa-99c1-11dd-bbfe-3dabce05a288
* add some define to enable/disable SDL so we could build gsdx without SDL
* debug: dump data based on frame count rather from draw count
git-svn-id: http://pcsx2.googlecode.com/svn/branches/gsdx-ogl@5044 96395faa-99c1-11dd-bbfe-3dabce05a288
Gregory Hainaut