On Mon, 2017-08-07 at 09:24 +0100, Daniel Stone wrote: > On 2 August 2017 at 21:24, Adam Jackson <a...@redhat.com> wrote: > > +Overview > > + > > + A system may support multiple devices and multiple window systems. For > > + example, a Wayland environment may drive multiple GPUs and support both > > + GLX and EGL clients. In order to realize this, the implementation must > > + allow the client to specify both device and platform explicitly. > > s/GLX/X11/ > > > +New Behavior > > + > > + If EGL_DEVICE_EXT is specified as an attribute for > > eglGetPlatformDisplay, > > + the value of the attribute is interpreted as an EGLDeviceEXT as > > returned > > + by eglQueryDevicesEXT. The platform will attempt to initialize using > > + exactly the specified device. If the attribute does not name a known > > + EGLDeviceEXT, EGL_BAD_DEVICE_EXT is generated. If the device and > > platform > > + are not compatible for any reason, EGL_BAD_MATCH is generated. > > + > > + If EGL_EXT_platform_device is supported, passing EGL_DEVICE_EXT as an > > + attribute to eglGetPlatformDisplay(EGL_PLATFORM_DEVICE_EXT) is > > + undefined. > > Might as well make it an error, else someone will come to rely on > those semantics. > > Also, given it seems like something other people will want to support, > we should definitely make this EXT.
Word, thanks. I've folded in the review suggestions and opened an EGL registry PR for this to (hopefully) get non-Mesa feedback: https://github.com/KhronosGroup/EGL-Registry/pull/23 - ajax _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/mesa-dev
