On Wed, Oct 22, 2014 at 8:58 AM, Kenneth Graunke <kenn...@whitecape.org> wrote: > Improves performance in GLBenchmark 2.7 TRex by 3.88889% +/- 0.336383% > (n=80) at 1280x720 on Broadwell GT3. Together with the previous patch, > it improves performance by 5.42738% +/- 0.541971% (n=10) at 1920x1080. > > Note that without the PMA stall fix, this would instead decrease > performance by 22%. > > Signed-off-by: Kenneth Graunke <kenn...@whitecape.org> > --- > src/mesa/drivers/dri/i965/brw_surface_formats.c | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/src/mesa/drivers/dri/i965/brw_surface_formats.c > b/src/mesa/drivers/dri/i965/brw_surface_formats.c > index 5407ef6..ce6f88c 100644 > --- a/src/mesa/drivers/dri/i965/brw_surface_formats.c > +++ b/src/mesa/drivers/dri/i965/brw_surface_formats.c > @@ -619,6 +619,8 @@ brw_init_surface_formats(struct brw_context *brw) > brw->format_supported_as_render_target[MESA_FORMAT_S_UINT8] = true; > brw->format_supported_as_render_target[MESA_FORMAT_Z_FLOAT32] = true; > brw->format_supported_as_render_target[MESA_FORMAT_Z32_FLOAT_S8X24_UINT] > = true; > + if (brw->gen >= 8) > + brw->format_supported_as_render_target[MESA_FORMAT_Z_UNORM16] = true; > > /* We remap depth formats to a supported texturing format in > * translate_tex_format(). > @@ -639,6 +641,8 @@ brw_init_surface_formats(struct brw_context *brw) > * Other speculation is that we may be hitting increased fragment shader > * execution from GL_LEQUAL/GL_EQUAL depth tests at reduced precision. > */ > + if (brw->gen >= 8) > + ctx->TextureFormatSupported[MESA_FORMAT_Z_UNORM16] = true;
Edit the comment above to mention that we get the expected performance with the pma stall workaround? Either way, Reviewed-by: Kristian Høgsberg <k...@bitplanet.net> > /* On hardware that lacks support for ETC1, we map ETC1 to RGBX > * during glCompressedTexImage2D(). See intel_mipmap_tree::wraps_etc1. > -- > 2.1.2 > > _______________________________________________ > mesa-dev mailing list > mesa-dev@lists.freedesktop.org > http://lists.freedesktop.org/mailman/listinfo/mesa-dev _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev
