a i‚j—ã@sØdZddlZddlZddlZddlZddlZddlmZddlm Z e  e ¡Z e  ejd¡ZdZiZdZdZeZd Zd Zd Ze  d ¡Ze  d ¡Zeej_eej_ddd„Zdd„Zdd„Z dd„Z!dddefdd„Z"dS)z¶Utility module for interacting with GBM to select rendering device The base code here comes from github bug report #6 in the pyopengl project, thanks to @abandoned-cocoon for that. éN)Ú ctypesloader)Ú_opaqueÚgbm)Úenumerate_devicesÚ open_deviceÚ close_deviceréééééÚ GBMDeviceÚ GBMSurface©ZnvidiacsŽtƒ‰t d¡D]f}tj |¡}|dd…}tj t d|f¡¡}||vrtj t |¡¡}t d||¡ˆ |¡q‡fdd„|Dƒ}|S)zALookup the driver for each card to exclude loading nvidia devicesz/dev/dri/by-path/pci-*-cardr éûÿÿÿz/sys/bus/pci/devices/%s/driverz%Skipping %s because it uses %s drivercs g|]}tj |¡ˆvr|‘qS©)ÚosÚpathÚbasename)Ú.0Úcard©Z bad_cardsrúR/home/ghrups/robot-bench/.venv/lib/python3.9/site-packages/OpenGL/EGL/gbmdevice.pyÚ 'sÿz&filter_bad_drivers..) ÚsetÚglobrrrÚreadlinkÚlogÚdebugÚadd)ZcardsZ bad_driversÚlinkÚbaseZpci_idZdriverrÚfilteredrrrÚfilter_bad_driverss    ÿr#cCsddl}tt| d¡ƒƒS)zšEnumerate the set of gbm renderD* devices on the system Attempts to filter out any nvidia drivers with filter_bad_drivers along the way. rNz/dev/dri/card*)rr#Úsorted)rrrrr.srcCs t|tƒrFztƒ}|t}WqTtyBtdt|ƒ|fƒ‚YqT0ntj d|¡}t   d|¡t |dƒ}t   | ¡¡}|dkr”| ¡td|ƒ‚|t|<|S)acOpen a particular gbm device * path -- integer index of devices in sorted enumeration, or device basename (`renderD128`) or a full path-name as returned from enumerate_devices Will raise (at least): * RuntimeError for invalid indices * IOError/OSError for device access failures * RuntimeError if we cannot create the gbm device Caller is responsible for calling close_device(display) on the resulting opaque pointer in order to release the open file-handle and deallocate the gbm_device record. returns GBMDevice, an opaque pointer z0Only %s devices available, cannot use 0-index %sz/dev/drizFinal device path: %sÚwrz)Unable to create rendering device for: %s)Ú isinstanceÚintrÚ IndexErrorÚ RuntimeErrorÚlenrrÚjoinrrÚopenrÚgbm_create_deviceÚfilenoÚcloseÚ_DEVICE_HANDLES)rZdevicesÚfhÚdevrrrr7s      rcCs8t |¡zt |¡}| ¡Wnty2Yn0dS)zClose an opened gbm deviceN)rZgbm_device_destroyr0Úpopr/ÚKeyError)ÚdeviceÚhandlerrrrZs     ricCs|s tdƒ‚t |||||¡S)aRCreate a GBM surface to use on the given device devices -- opaque GBMDevice pointer width,height -- dimensions format -- EGL_NATIVE_VISUAL_ID from an EGL configuration flags -- surface flags regarding reading/writing pattern that is expected for the buffer returns GBMSurface opaque pointer z\Use eglGetConfigAttrib(display,config,EGL_NATIVE_VISUAL_ID) to get the native surface format)Ú ValueErrorrÚgbm_surface_create)r5ÚwidthÚheightÚformatÚflagsrrrÚcreate_surfacecs ÿr=)r)#Ú__doc__ÚweakrefÚctypesÚloggingrrZOpenGL.platformrZOpenGLrÚ getLoggerÚ__name__rZ loadLibraryÚCDLLrÚ__all__r0ZGBM_BO_USE_SCANOUTZGBM_BO_USE_CURSORZGBM_BO_USE_CURSOR_64X64ZGBM_BO_USE_RENDERINGZGBM_BO_USE_WRITEZGBM_BO_USE_LINEARZopaque_pointer_clsr rr-Úrestyper8r#rrrr=rrrrÚs,(       #