Enhanced performance of MAMEdev MAME in X11?!?!
-
Thanks @mitu,
I'll have to retest the Steamlink setup to see if I can recreate what I was seeing. It also installs Xorg (of course), but it's also possible that I've been installing more than I remember.
I've been doing some further testing to see where the speed increase is coming from. From within the Pixel Desktop, I can run MAME with ddp3 or outrun at full speed without having to reduce the resolution before hand. It would seem to be that MAME will draw the screen at the game's native resolution and then scale it upwards as needed. Games without a native screen resolution don't get this enhancement though (like the Coleco tabletop arcade games), and will render at the full resolution of the screen when launched. Reducing the resolution before hand and launching the game shows a marked improvement, even more than what I see when running through Emulation Station and reducing the screen resolution. That makes be believe that X11 is able to access more of the GPU than the KMSDRM driver, even though they are both using OpenGL.
The audio seems to be the same, both using ALSA drivers, same sample rate, etc.
That's all I have for now. I'll update when I have more.
- George
-
@George very curious stuff. can you try adding the
-verbosearg to mame in both x11 and without? curious as to the output. certainly when we tried-video accelwhen testing your mame PR there was large performance increases, but i certainly wouldn't have got ddp3 full speed. see https://github.com/RetroPie/RetroPie-Setup/pull/2697#issuecomment-629698811hopefully a verbose log should show us the difference between the two.
-
Thanks @dankcushions!
Yes, I actually tested ddp3 because you had tested it already and I wanted to try some comparisons. It was certainly unexpected. I also tested Tekken 2 and found that it ran at 66% in X11 vs. 50% in KMSDRM. I think the big difference with Tekken 2 though is that it's 3D rendering and the hardware uses a GPU which is probably being emulated in software. So there's probably a bit of a performance increase for rendering the final pixel output, but still a lot of overhead for the 3D rendering.
I have some verbose output from Outrun (because it loads up fast and I get a good idea of the performance pretty immediately). I'll have to run my tests again with ddp3.
The verbose output makes my post too long, so adding to multiple posts.
-
Running through EmulationStation with video set to 1680x1050 (my native resolution)
Parameters: Executing: /opt/retropie/emulators/mame/mame "outrun" Reading translation file English: 1 strings, original table at word offset 7, translated table at word offset 9 Loaded 0 translations from file English Starting plugin hiscore... Starting plugin data... Attempting load of mame.ini Parsing mame.ini Attempting load of mame.ini Parsing mame.ini Attempting load of horizont.ini Attempting load of arcade.ini Attempting load of raster.ini Attempting load of source/segaorun.ini Attempting load of outrun.ini Available videodrivers: x11 KMSDRM RPI dummy Current Videodriver: KMSDRM Display #0 Renderdrivers: opengl (0x0) opengles2 (0x0) opengles (0x0) software (0x0) Available audio drivers: alsa sndio dsp disk dummy Build version: 0.224 (mame0224) Build architecure: Build defines 1: SDLMAME_UNIX=1 SDLMAME_X11=1 SDLMAME_LINUX=1 Build defines 1: LSB_FIRST=1 MAME_NOASM=1 SDL/OpenGL defines: SDL_COMPILEDVERSION=2009 USE_OPENGL=1 Compiler defines A: __GNUC__=8 __GNUC_MINOR__=3 __GNUC_PATCHLEVEL__=0 __VERSION__="8.3.0" Compiler defines B: __unix__=1 Compiler defines C: __USE_FORTIFY_LEVEL=0 Enter init_monitors Adding monitor screen0 (1680 x 1050) Leave init_monitors Enter sdlwindow_init Using SDL native texturing driver (SDL 2.0+) Loaded opengl shared library: <default> Hints: SDL_FRAMEBUFFER_ACCELERATION (NULL) SDL_RENDER_DRIVER (NULL) SDL_RENDER_OPENGL_SHADERS (NULL) SDL_RENDER_SCALE_QUALITY (NULL) SDL_RENDER_VSYNC (NULL) SDL_VIDEO_X11_XVIDMODE (NULL) SDL_VIDEO_X11_XINERAMA (NULL) SDL_VIDEO_X11_XRANDR (NULL) SDL_GRAB_KEYBOARD (NULL) SDL_VIDEO_MINIMIZE_ON_FOCUS_LOSS (NULL) SDL_IOS_IDLE_TIMER_DISABLED (NULL) SDL_IOS_ORIENTATIONS (NULL) SDL_XINPUT_ENABLED (NULL) SDL_GAMECONTROLLERCONFIG (NULL) SDL_JOYSTICK_ALLOW_BACKGROUND_EVENTS (NULL) SDL_ALLOW_TOPMOST (NULL) SDL_TIMER_RESOLUTION (NULL) SDL_RENDER_DIRECT3D_THREADSAFE (NULL) SDL_VIDEO_ALLOW_SCREENSAVER (NULL) SDL_ACCELEROMETER_AS_JOYSTICK (NULL) SDL_MAC_CTRL_CLICK_EMULATE_RIGHT_CLICK (NULL) SDL_VIDEO_WIN_D3DCOMPILER (NULL) SDL_VIDEO_WINDOW_SHARE_PIXEL_FORMAT (NULL) SDL_VIDEO_MAC_FULLSCREEN_SPACES (NULL) SDL_MOUSE_RELATIVE_MODE_WARP (NULL) SDL_RENDER_DIRECT3D11_DEBUG (NULL) SDL_VIDEO_HIGHDPI_DISABLED (NULL) SDL_WINRT_PRIVACY_POLICY_URL (NULL) SDL_WINRT_PRIVACY_POLICY_LABEL (NULL) SDL_WINRT_HANDLE_BACK_BUTTON (NULL) Leave sdlwindow_init Enter sdl_info::create Leave renderer_sdl2::create window: using renderer opengl renderer: flag SDL_RENDERER_ACCELERATED renderer: flag SDL_RENDERER_TARGETTEXTURE Audio: Start initialization Audio: Driver is alsa Audio: frequency: 44100, channels: 2, samples: 512 sdl_create_buffers: creating stream buffer of 22528 bytes Audio: End initialization Keyboard: Start initialization Input: Adding keyboard #0: System keyboard (device id: System keyboard) Keyboard: Registered System keyboard Keyboard: End initialization Mouse: Start initialization Input: Adding mouse #0: System mouse (device id: System mouse) Mouse: Registered System mouse Mouse: End initialization Joystick: Start initialization Joystick: End initialization Searching font Liberation Sans in -. path/s font Liberation Sans|Regular is not TrueType or BDF, using MAME default Region ':maincpu' created unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: found /home/pi/RetroPie/roms/mame/outrun.zip ECD unzip: /home/pi/RetroPie/roms/mame/outrun.zip has no ZIP64 ECD locator unzip: read /home/pi/RetroPie/roms/mame/outrun.zip central directory unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache Region ':subcpu' created unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache Region ':gfx1' created unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache Region ':sprites' created unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache Region ':segaic16road' created unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache Region ':soundcpu' created unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache Region ':pcm' created unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache Optional I/O port ':ADC.7' not found Optional I/O port ':ADC.6' not found Optional I/O port ':ADC.5' not found Optional I/O port ':ADC.4' not found Optional memory region ':screen' not found Optional shared pointer ':rotateram' not found Optional memory region ':nvram' not found Starting Out Run (sitdown/upright, Rev B) ':' (missing dependencies; rescheduling) Starting Motorola MC68000 ':maincpu' Starting Motorola MC68000 ':subcpu' Starting Zilog Z80 ':soundcpu' Starting Watchdog Timer ':watchdog' Starting Intel 8255 PPI ':i8255' Starting ADC0804 A/D Converter ':adc' Starting Sega 315-5195 Memory Mapper ':mapper' Starting gfxdecode ':gfxdecode' Starting palette ':palette' Starting Video Screen ':screen' Starting Sega 16-bit Video ':segaic16vid' Starting Sega 16-bit Road Generator ':segaic16road' Starting Speaker ':lspeaker' (missing dependencies; rescheduling) Starting Speaker ':rspeaker' (missing dependencies; rescheduling) Starting Yamaha YM2151 OPM ':ymsnd' Starting Sega PCM ':pcm' Starting Timer ':bankmotor' Starting Sega Custom Sprites (Out Run) ':sprites' Starting NVRAM ':nvram' Starting Out Run (sitdown/upright, Rev B) ':' (missing dependencies; rescheduling) Starting Speaker ':lspeaker' Starting Speaker ':rspeaker' Starting Out Run (sitdown/upright, Rev B) ':' Attempting to parse: default.cfg Attempting to parse: outrun.cfg Starting Out Run (sitdown/upright, Rev B) hiscore: config found hiscore: found hiscore.dat entry for outrun Searching font Liberation Sans in -. path/s font Liberation Sans|Regular is not TrueType or BDF, using MAME default Searching font Liberation Sans in -. path/s font Liberation Sans|Regular is not TrueType or BDF, using MAME default hiscore: scores read FAIL Average speed: 53.18% (2 seconds) sdl_kill: closing audio Sound buffer: overflows=0 underflows=147 Enter sdlwindow_exit Leave sdlwindow_exit -
Run through EmulationStation with video set to 640x480.
Parameters: Executing: SDL_VIDEO_KMSDRM_CRTCID=87 SDL_VIDEO_KMSDRM_MODEID=24 /opt/retropie/emulators/mame/mame "outrun" Reading translation file English: 1 strings, original table at word offset 7, translated table at word offset 9 Loaded 0 translations from file English Starting plugin data... Starting plugin hiscore... Attempting load of mame.ini Parsing mame.ini Attempting load of mame.ini Parsing mame.ini Attempting load of horizont.ini Attempting load of arcade.ini Attempting load of raster.ini Attempting load of source/segaorun.ini Attempting load of outrun.ini Available videodrivers: x11 KMSDRM RPI dummy Current Videodriver: KMSDRM Display #0 Renderdrivers: opengl (0x0) opengles2 (0x0) opengles (0x0) software (0x0) Available audio drivers: alsa sndio dsp disk dummy Build version: 0.224 (mame0224) Build architecure: Build defines 1: SDLMAME_UNIX=1 SDLMAME_X11=1 SDLMAME_LINUX=1 Build defines 1: LSB_FIRST=1 MAME_NOASM=1 SDL/OpenGL defines: SDL_COMPILEDVERSION=2009 USE_OPENGL=1 Compiler defines A: __GNUC__=8 __GNUC_MINOR__=3 __GNUC_PATCHLEVEL__=0 __VERSION__="8.3.0" Compiler defines B: __unix__=1 Compiler defines C: __USE_FORTIFY_LEVEL=0 Enter init_monitors Adding monitor screen0 (640 x 480) Leave init_monitors Enter sdlwindow_init Using SDL native texturing driver (SDL 2.0+) Loaded opengl shared library: <default> Hints: SDL_FRAMEBUFFER_ACCELERATION (NULL) SDL_RENDER_DRIVER (NULL) SDL_RENDER_OPENGL_SHADERS (NULL) SDL_RENDER_SCALE_QUALITY (NULL) SDL_RENDER_VSYNC (NULL) SDL_VIDEO_X11_XVIDMODE (NULL) SDL_VIDEO_X11_XINERAMA (NULL) SDL_VIDEO_X11_XRANDR (NULL) SDL_GRAB_KEYBOARD (NULL) SDL_VIDEO_MINIMIZE_ON_FOCUS_LOSS (NULL) SDL_IOS_IDLE_TIMER_DISABLED (NULL) SDL_IOS_ORIENTATIONS (NULL) SDL_XINPUT_ENABLED (NULL) SDL_GAMECONTROLLERCONFIG (NULL) SDL_JOYSTICK_ALLOW_BACKGROUND_EVENTS (NULL) SDL_ALLOW_TOPMOST (NULL) SDL_TIMER_RESOLUTION (NULL) SDL_RENDER_DIRECT3D_THREADSAFE (NULL) SDL_VIDEO_ALLOW_SCREENSAVER (NULL) SDL_ACCELEROMETER_AS_JOYSTICK (NULL) SDL_MAC_CTRL_CLICK_EMULATE_RIGHT_CLICK (NULL) SDL_VIDEO_WIN_D3DCOMPILER (NULL) SDL_VIDEO_WINDOW_SHARE_PIXEL_FORMAT (NULL) SDL_VIDEO_MAC_FULLSCREEN_SPACES (NULL) SDL_MOUSE_RELATIVE_MODE_WARP (NULL) SDL_RENDER_DIRECT3D11_DEBUG (NULL) SDL_VIDEO_HIGHDPI_DISABLED (NULL) SDL_WINRT_PRIVACY_POLICY_URL (NULL) SDL_WINRT_PRIVACY_POLICY_LABEL (NULL) SDL_WINRT_HANDLE_BACK_BUTTON (NULL) Leave sdlwindow_init Enter sdl_info::create Leave renderer_sdl2::create window: using renderer opengl renderer: flag SDL_RENDERER_ACCELERATED renderer: flag SDL_RENDERER_TARGETTEXTURE Audio: Start initialization Audio: Driver is alsa Audio: frequency: 44100, channels: 2, samples: 512 sdl_create_buffers: creating stream buffer of 22528 bytes Audio: End initialization Keyboard: Start initialization Input: Adding keyboard #0: System keyboard (device id: System keyboard) Keyboard: Registered System keyboard Keyboard: End initialization Mouse: Start initialization Input: Adding mouse #0: System mouse (device id: System mouse) Mouse: Registered System mouse Mouse: End initialization Joystick: Start initialization Joystick: End initialization Searching font Liberation Sans in -. path/s font Liberation Sans|Regular is not TrueType or BDF, using MAME default Region ':maincpu' created unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: found /home/pi/RetroPie/roms/mame/outrun.zip ECD unzip: /home/pi/RetroPie/roms/mame/outrun.zip has no ZIP64 ECD locator unzip: read /home/pi/RetroPie/roms/mame/outrun.zip central directory unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache Region ':subcpu' created unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache Region ':gfx1' created unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache Region ':sprites' created unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache Region ':segaic16road' created unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache Region ':soundcpu' created unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache Region ':pcm' created unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache Optional I/O port ':ADC.7' not found Optional I/O port ':ADC.6' not found Optional I/O port ':ADC.5' not found Optional I/O port ':ADC.4' not found Optional memory region ':screen' not found Optional shared pointer ':rotateram' not found Optional memory region ':nvram' not found Starting Out Run (sitdown/upright, Rev B) ':' (missing dependencies; rescheduling) Starting Motorola MC68000 ':maincpu' Starting Motorola MC68000 ':subcpu' Starting Zilog Z80 ':soundcpu' Starting Watchdog Timer ':watchdog' Starting Intel 8255 PPI ':i8255' Starting ADC0804 A/D Converter ':adc' Starting Sega 315-5195 Memory Mapper ':mapper' Starting gfxdecode ':gfxdecode' Starting palette ':palette' Starting Video Screen ':screen' Starting Sega 16-bit Video ':segaic16vid' Starting Sega 16-bit Road Generator ':segaic16road' Starting Speaker ':lspeaker' (missing dependencies; rescheduling) Starting Speaker ':rspeaker' (missing dependencies; rescheduling) Starting Yamaha YM2151 OPM ':ymsnd' Starting Sega PCM ':pcm' Starting Timer ':bankmotor' Starting Sega Custom Sprites (Out Run) ':sprites' Starting NVRAM ':nvram' Starting Out Run (sitdown/upright, Rev B) ':' (missing dependencies; rescheduling) Starting Speaker ':lspeaker' Starting Speaker ':rspeaker' Starting Out Run (sitdown/upright, Rev B) ':' Attempting to parse: default.cfg Attempting to parse: outrun.cfg Starting Out Run (sitdown/upright, Rev B) hiscore: config found hiscore: found hiscore.dat entry for outrun Searching font Liberation Sans in -. path/s font Liberation Sans|Regular is not TrueType or BDF, using MAME default Searching font Liberation Sans in -. path/s font Liberation Sans|Regular is not TrueType or BDF, using MAME default hiscore: scores read FAIL Average speed: 99.91% (6 seconds) sdl_kill: closing audio Enter sdlwindow_exit Leave sdlwindow_exit -
Running Outrun in X11 from an xterm with 1680x1050 resolution:
Reading translation file English: 1 strings, original table at word offset 7, translated table at word offset 9 Loaded 0 translations from file English Starting plugin hiscore... Starting plugin data... Attempting load of mame.ini Parsing mame.ini Attempting load of mame.ini Parsing mame.ini Attempting load of horizont.ini Attempting load of arcade.ini Attempting load of raster.ini Attempting load of source/segaorun.ini Attempting load of outrun.ini Available videodrivers: x11 KMSDRM RPI dummy Current Videodriver: x11 Display #0 Renderdrivers: opengl (0x0) opengles2 (0x0) opengles (0x0) software (0x0) Available audio drivers: alsa sndio dsp disk dummy Build version: 0.224 (mame0224) Build architecure: Build defines 1: SDLMAME_UNIX=1 SDLMAME_X11=1 SDLMAME_LINUX=1 Build defines 1: LSB_FIRST=1 MAME_NOASM=1 SDL/OpenGL defines: SDL_COMPILEDVERSION=2009 USE_OPENGL=1 Compiler defines A: __GNUC__=8 __GNUC_MINOR__=3 __GNUC_PATCHLEVEL__=0 __VERSION__="8.3.0" Compiler defines B: __unix__=1 Compiler defines C: __USE_FORTIFY_LEVEL=0 Enter init_monitors Adding monitor screen0 (1680 x 1050) Leave init_monitors Enter sdlwindow_init Using SDL native texturing driver (SDL 2.0+) Loaded opengl shared library: <default> Hints: SDL_FRAMEBUFFER_ACCELERATION (NULL) SDL_RENDER_DRIVER (NULL) SDL_RENDER_OPENGL_SHADERS (NULL) SDL_RENDER_SCALE_QUALITY (NULL) SDL_RENDER_VSYNC (NULL) SDL_VIDEO_X11_XVIDMODE (NULL) SDL_VIDEO_X11_XINERAMA (NULL) SDL_VIDEO_X11_XRANDR (NULL) SDL_GRAB_KEYBOARD (NULL) SDL_VIDEO_MINIMIZE_ON_FOCUS_LOSS (NULL) SDL_IOS_IDLE_TIMER_DISABLED (NULL) SDL_IOS_ORIENTATIONS (NULL) SDL_XINPUT_ENABLED (NULL) SDL_GAMECONTROLLERCONFIG (NULL) SDL_JOYSTICK_ALLOW_BACKGROUND_EVENTS (NULL) SDL_ALLOW_TOPMOST (NULL) SDL_TIMER_RESOLUTION (NULL) SDL_RENDER_DIRECT3D_THREADSAFE (NULL) SDL_VIDEO_ALLOW_SCREENSAVER (NULL) SDL_ACCELEROMETER_AS_JOYSTICK (NULL) SDL_MAC_CTRL_CLICK_EMULATE_RIGHT_CLICK (NULL) SDL_VIDEO_WIN_D3DCOMPILER (NULL) SDL_VIDEO_WINDOW_SHARE_PIXEL_FORMAT (NULL) SDL_VIDEO_MAC_FULLSCREEN_SPACES (NULL) SDL_MOUSE_RELATIVE_MODE_WARP (NULL) SDL_RENDER_DIRECT3D11_DEBUG (NULL) SDL_VIDEO_HIGHDPI_DISABLED (NULL) SDL_WINRT_PRIVACY_POLICY_URL (NULL) SDL_WINRT_PRIVACY_POLICY_LABEL (NULL) SDL_WINRT_HANDLE_BACK_BUTTON (NULL) Leave sdlwindow_init Enter sdl_info::create Leave renderer_sdl2::create window: using renderer opengl renderer: flag SDL_RENDERER_ACCELERATED renderer: flag SDL_RENDERER_TARGETTEXTURE Audio: Start initialization Audio: Driver is alsa Audio: frequency: 44100, channels: 2, samples: 512 sdl_create_buffers: creating stream buffer of 22528 bytes Audio: End initialization Keyboard: Start initialization Input: Adding keyboard #0: System keyboard (device id: System keyboard) Keyboard: Registered System keyboard Keyboard: End initialization Mouse: Start initialization Input: Adding mouse #0: System mouse (device id: System mouse) Mouse: Registered System mouse Mouse: End initialization Lightgun: Begin initialization Lightgun: End initialization Joystick: Start initialization Joystick: End initialization Searching font Liberation Sans in -. path/s font Liberation Sans|Regular is not TrueType or BDF, using MAME default Region ':maincpu' created unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: found /home/pi/RetroPie/roms/mame/outrun.zip ECD unzip: /home/pi/RetroPie/roms/mame/outrun.zip has no ZIP64 ECD locator unzip: read /home/pi/RetroPie/roms/mame/outrun.zip central directory unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache Region ':subcpu' created unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache Region ':gfx1' created unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache Region ':sprites' created unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache Region ':segaic16road' created unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache Region ':soundcpu' created unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache Region ':pcm' created unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache unzip: found /home/pi/RetroPie/roms/mame/outrun.zip in cache unzip: opened archive file /home/pi/RetroPie/roms/mame/outrun.zip unzip: closing archive file /home/pi/RetroPie/roms/mame/outrun.zip and sending to cache Optional I/O port ':ADC.7' not found Optional I/O port ':ADC.6' not found Optional I/O port ':ADC.5' not found Optional I/O port ':ADC.4' not found Optional memory region ':screen' not found Optional shared pointer ':rotateram' not found Optional memory region ':nvram' not found Starting Out Run (sitdown/upright, Rev B) ':' (missing dependencies; rescheduling) Starting Motorola MC68000 ':maincpu' Starting Motorola MC68000 ':subcpu' Starting Zilog Z80 ':soundcpu' Starting Watchdog Timer ':watchdog' Starting Intel 8255 PPI ':i8255' Starting ADC0804 A/D Converter ':adc' Starting Sega 315-5195 Memory Mapper ':mapper' Starting gfxdecode ':gfxdecode' Starting palette ':palette' Starting Video Screen ':screen' Starting Sega 16-bit Video ':segaic16vid' Starting Sega 16-bit Road Generator ':segaic16road' Starting Speaker ':lspeaker' (missing dependencies; rescheduling) Starting Speaker ':rspeaker' (missing dependencies; rescheduling) Starting Yamaha YM2151 OPM ':ymsnd' Starting Sega PCM ':pcm' Starting Timer ':bankmotor' Starting Sega Custom Sprites (Out Run) ':sprites' Starting NVRAM ':nvram' Starting Out Run (sitdown/upright, Rev B) ':' (missing dependencies; rescheduling) Starting Speaker ':lspeaker' Starting Speaker ':rspeaker' Starting Out Run (sitdown/upright, Rev B) ':' Attempting to parse: default.cfg Attempting to parse: outrun.cfg Starting Out Run (sitdown/upright, Rev B) hiscore: config found hiscore: found hiscore.dat entry for outrun Searching font Liberation Sans in -. path/s font Liberation Sans|Regular is not TrueType or BDF, using MAME default Searching font Liberation Sans in -. path/s font Liberation Sans|Regular is not TrueType or BDF, using MAME default hiscore: scores read FAIL Average speed: 100.00% (11 seconds) sdl_kill: closing audio Enter sdlwindow_exit Leave sdlwindow_exitThe environment variable setting (
SDL_VIDEO_KMSDRM_CRTCID=87 SDL_VIDEO_KMSDRM_MODEID=24) in the second case is interesting. Maybe it is not MAME, but perhaps there is something going on with SDL when using KMSDRM vs. X11.Will run ddp3 in verbose mode and post up results later.
- George
-
I did a bit more testing, this time by SSHing into the machine and using
tvservice -s. I found out some more interesting tidbits.When running Outrun from EmulationStation with my monitor's native resolution (1680x1050). Performance is poor and
tvservice -sshows:state 0xa [HDMI CUSTOM RGB full unknown AR], 1680x1050 @ 60.00Hz, progressiveWhen I run it from EmulationStation with 640x480 resolution selected. Performance is great and
tvservice -sshows:state 0xa [HDMI CUSTOM RGB full 4:3], 640x480 @ 60.00Hz, progressiveEverything seems straightforward, until I then get into the Pixel Desktop, which is running at 1680x1050, and without changing the resolution, I run Outrun in MAME. Performance is great and
tvservice -sunexpectedly shows:state 0xa [HDMI CUSTOM RGB full unknown AR], 1680x1050 @ 60.00Hz, progressiveThis seems to support my idea that when X11 is used, the pixel data is being rendered at the original machine's native resolution and then being scaled up by the GPU. Contrarily, when KMSDRM is being used, I believe something else is going on.
I'll have to take a look at the MAME and SDL source code to see if. anything pops up. Any other ideas are welcome!
- George
-
This post is deleted! -
@george thanks for this. i guess the difference is
Current Videodriver: x11(fast)
vs
Current Videodriver: KMSDRM(slow)
out of interest, in /boot/config.txt are you running
dtoverlay=vc4-fkms-v3d(default, "fake" kms) or
dtoverlay=vc4-kms-v3d(pure kms)
i wonder if the latter makes a difference?
-
@dankcushions yeah, the video driver does seem to be the difference, but I'm unable to determine how.
My config.txt shows the following:
[pi4] # Enable DRM VC4 V3D driver on top of the dispmanx display stack dtoverlay=vc4-fkms-v3d max_framebuffers=2I can check if pure KMS makes any difference.
- George
-
Well that didn't take long. I switched to kms and MAME won't even run correctly from within EmulationStation. The screen blanks out and I can't get out of MAME. SSHing in and looking at the runcommand.log makes it appear that the game is loaded. From within X11, I can run the game, but when I exit out, the screen blanks out and doesn't come back. Interestingly, there is also no sound when running MAME on X11. Switching back to fkms and everything is back to normal.
While looking at the source for SDL and MAME, I noticed that the MAME repository also includes source for SDL. I also noticed that RetroPie has its own repository for SDL. Though I can't find in either any references to
SDL_VIDEO_KMSDRM_CRTCIDorSDL_VIDEO_KMSDRM_MODEID. Could there be a conflict? Am I not looking in the correct place?Thanks!
- George
-
@george our SDL code is on a retropie-2.0.10 branch.
-
@george said in Enhanced performance of MAMEdev MAME in X11?!?!:
Well that didn't take long. I switched to kms and MAME won't even run correctly from within EmulationStation. The screen blanks out and I can't get out of MAME. SSHing in and looking at the runcommand.log makes it appear that the game is loaded. From within X11, I can run the game, but when I exit out, the screen blanks out and doesn't come back. Interestingly, there is also no sound when running MAME on X11. Switching back to fkms and everything is back to normal.
The KMS driver for the current stable kernel (5.4) in Raspbian has issues. If you wish to switch to the (pure) KMS driver, you should also switch to the next LTS Rapbian kernel (5.9, soon to be 5.10), where the KMS driver should be working much better. See https://www.raspberrypi.org/forums/viewtopic.php?f=29&t=288234.
While looking at the source for SDL and MAME, I noticed that the MAME repository also includes source for SDL. I also noticed that RetroPie has its own repository for SDL. Though I can't find in either any references to SDL_VIDEO_KMSDRM_CRTCID or SDL_VIDEO_KMSDRM_MODEID. Could there be a conflict? Am I not looking in the correct place?
Those env vars are set by
runcommand, to set the video resolution. It's a RetroPie local patch to be able to switch video modes with SDL2 based applications, since there was (at the time) no method to do so - the KMSDRM driver would report only the (fullscreen) current resolution to the application and mode switching would no be possible otherwise. Instead, based on those vars, SDL2 switches resolution on video initialization and reports the (new) resolution to the applications.This kind of ties up with what you noticed.One of the important differences between the
x11andkmsSDL2 video drivers is thatx11is able to switch to any resolution supported by the display - on the fly - whilekmsdoes not. Having said that, the KMS SDL2 driver has been radically changed in newer SDL2 version (since 2.0.10, the version that RetroPie includes and patched), but unfortunately those changes are not without issues so they haven't been included in RetroPie. -
@mitu Sorry to hijack this thread but is this not one of the main reasons that people can't use on the fly resolution switching with vga666 and a crt?
-
@rion said in Enhanced performance of MAMEdev MAME in X11?!?!:
@mitu Sorry to hijack this thread but
No, it's not related.
-
This info gives me some good pointers to test. I can try the base versions of SDL (2.0.10 and the latest) vs. what comes with RetroPie (i.e. retropie-2.0.10) to see if there are any performance differences at all. I also noticed that there is some debug messages in the code, so perhaps I can enable debug logging to possibly get additional information.
Post that, I'll see if there's anything to be gleaned in how MAME handles (or doesn't handle) resolution changes.
Side note: I see some changes in the retropie-2.0.10 branch with SDL_sysjoystick.c that seem to be related in some way to a bug I reported to SDL. I'll have to check that out as well.
Thanks again!
- George
-
Looks like I've hit a couple of snags while trying to compile. I modified the RetroPi sdl2.sh scriptmodule to pull from a different source/branch. I tried
release-2.0.10andrelease-2.0.12. I get the error message:/home/pi/RetroPie-Setup/tmp/build/sdl210/2.0.12+5rpi/src/video/SDL_egl.c:289:53: error: 'F_OK' undeclared (first use in this function) SDL_bool vc4 = (0 == access("/sys/module/vc4/", F_OK));And if I fix that by adding
#include <unistd.h>I get the following error message:/usr/include/GLES/gl.h:63:25: error: conflicting types for 'GLsizeiptr' typedef khronos_ssize_t GLsizeiptr;But when I compile the
retropie-2.0.10branch it compiles fine. Perhaps there are some hints in that branch that I can port over. Continuing to work on it, but any pointers would be helpful.Thanks!
- George
-
Quick note as I continue to work on this. I've found on the RPi4 that even if Pixel Desktop and XOrg is installed, the following check:
if isPlatform "x11"; thenWill return false. This seems to matter when SDL is being compiled because libpulse-dev is a dependency that is not automatically installed with the latest version of RetroPie. So if you try to compile SDL yourself using the supplementary script module
sdl2.sh. The script will check x11 and then installlibpulse-dev libwayland-devduring the depends phase.Interestingly, libpulse-dev isn't needed for SDL on RPi 4 when installed via binary.
If this is of interest to anyone, I can file a ticket.
- George
-
@george x11 platform flag is set by the script for specific platforms. eg: https://github.com/RetroPie/RetroPie-Setup/blob/master/scriptmodules/system.sh#L518
it's not set for rpi in any scenario because running retropie on pi + desktop isn't a tested/supported configuration, but could manually add it into system.sh i guess.
-
Contributions to the project are always appreciated, so if you would like to support us with a donation you can do so here.
Hosting provided by Mythic-Beasts. See the Hosting Information page for more information.