On Fri, 18 Nov 2011 22:35:13 +0100 David Herrmann <dh.herrmann@xxxxxxxxxxxxxx> wrote: > 2011/11/15 Kristian Høgsberg <krh@xxxxxxxxxxxxx>: > > 2011/11/15 David Herrmann <dh.herrmann@xxxxxxxxxxxxxx>: > >> 2011/11/15 Kristian Høgsberg <krh@xxxxxxxxxxxxx>: > >>> On Mon, Nov 14, 2011 at 5:54 PM, Jesse Barnes <jbarnes@xxxxxxxxxxxxxxxx> wrote: > >>>> On Mon, 14 Nov 2011 21:47:09 +0100 > >>>> David Herrmann <dh.herrmann@xxxxxxxxxxxxxx> wrote: > >>>>> > I had to modify the resolution the test was searching for > >>>>> > to 1920x1200 instead of 1024x600 since I tested on a DP attached > >>>>> > monitor, and fix the connector id, but other than that it seemed to > >>>>> > work fine. > >>>>> > >>>>> Thanks for testing. At least my code seems right now, but I still > >>>>> cannot get it to work on my machine. The output of modetest is: > >>>>> https://gist.github.com/1365083 > >>>>> > >>>>> There is only one connected connector+encoder+mode so I don't know > >>>>> where the problem exactly is. Are there any debug options? Is it > >>>>> possible to query the EGLImage for width/height? > >>>> > >>>> Ok maybe the gen3 vs gen4 EGL image code isn't calculating the > >>>> width/stride correctly somewhere then. You'd have to walk through the > >>>> gbm_dri2.c and egl_dri2.c code and see where the width is going off > >>>> into the weeds. > >>> > >>> Could be, I know I've run Wayland on Pineview though, so that works at > >>> least. David, did you try eglkms from mesa demos? > >>> > >>> http://cgit.freedesktop.org/mesa/demos/tree/src/egl/opengl/eglkms.c > >> > >> I tried it now. I get a black screen and in the left quarter there is > >> one white triangle which fades to black. But again, the right 3/4 of > >> the screen are black. > >> > >>> Kristian > >>> > >> > >> I will try to debug my mesa package but this will probably take some > >> time. If someone has an idea how to find the bug faster, just tell me > >> ;) > > > > It's all very odd. The gbm allocation ends up in intel_create_image > > in src/mesa/drivers/dri/intel/intel_screen.c, so you can try to > > compare the stride, width and height there with what modetest uses. > > I just recompiled with newest git revision and I cannot reproduce the > bug anymore. I cannot tell what fixed it as I recompiled with other > configure options. Previously I used --disable-glx-tls and > --enable-gallium-drivers=i915. Now I use --enable-glx-tls and no i915 > in gallium but only --with-dri-drivers=i915. > My laptop takes about 30min to compile mesa so I haven't tracked it down, yet. Ah it's probably gallium vs classic then. We don't support the gallium driver at all, so I'm not sure what state it's in. -- Jesse Barnes, Intel Open Source Technology Center
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