ping On Thu, May 24, 2018 at 2:02 PM, vadym.shovkoplias < vadim.shovkopl...@gmail.com> wrote:
> Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=104388 > Signed-off-by: Andriy Khulap <andriy.khu...@globallogic.com> > --- > src/mesa/drivers/dri/i965/genX_state_upload.c | 11 +++++++++++ > 1 file changed, 11 insertions(+) > > diff --git a/src/mesa/drivers/dri/i965/genX_state_upload.c > b/src/mesa/drivers/dri/i965/genX_state_upload.c > index b485e2c..5aa8033 100644 > --- a/src/mesa/drivers/dri/i965/genX_state_upload.c > +++ b/src/mesa/drivers/dri/i965/genX_state_upload.c > @@ -2473,6 +2473,17 @@ brw_calculate_guardband_size(uint32_t fb_width, > uint32_t fb_height, > */ > const float gb_size = GEN_GEN >= 7 ? 16384.0f : 8192.0f; > > + /* Workaround: prevent gpu hangs on SandyBridge > + * by disabling guardband clipping for odd dimensions. > + */ > + if (GEN_GEN == 6 && (fb_width & 1 || fb_height & 1)) { > + *xmin = -1.0f; > + *xmax = 1.0f; > + *ymin = -1.0f; > + *ymax = 1.0f; > + return; > + } > + > if (m00 != 0 && m11 != 0) { > /* First, we compute the screen-space render area */ > const float ss_ra_xmin = MIN3( 0, m30 + m00, m30 - m00); > -- > 2.7.4 > > _______________________________________________ > mesa-dev mailing list > mesa-dev@lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/mesa-dev > -- Vadym Shovkoplias | Senior Software Engineer GlobalLogic P +380.57.766.7667 M +3.8050.931.7304 S vadym.shovkoplias www.globallogic.com <http://www.globallogic.com/> http://www.globallogic.com/email_disclaimer.txt
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