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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [GEN9+] 50% perf drop in SynMark Fill* tests (E2E RBC gets disabled?)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=107223#c8">Comment # 8</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [GEN9+] 50% perf drop in SynMark Fill* tests (E2E RBC gets disabled?)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=107223">bug 107223</a>
from <span class="vcard"><a class="email" href="mailto:kenneth@whitecape.org" title="Kenneth Graunke <kenneth@whitecape.org>"> <span class="fn">Kenneth Graunke</span></a>
</span></b>
<pre>Eero is spot on, I can confirm this. OglFillPixel on my Skull Canyon (SKL
GT4e) improves from ~46 FPS to ~93 FPS with the following change on top of
master (partial revert of the cited commit):
diff --git a/src/mesa/drivers/dri/i965/intel_screen.c
b/src/mesa/drivers/dri/i965/intel_screen.c
index eaf5a3b9feb..19ddf2b4072 100644
--- a/src/mesa/drivers/dri/i965/intel_screen.c
+++ b/src/mesa/drivers/dri/i965/intel_screen.c
@@ -1333,9 +1333,6 @@ intel_query_dma_buf_modifiers(__DRIscreen *_screen, int
fourcc, int max,
if (f == NULL)
return false;
- if (!intel_image_format_is_supported(&screen->devinfo, f))
- return false;
-
for (i = 0; i < ARRAY_SIZE(supported_modifiers); i++) {
uint64_t modifier = supported_modifiers[i].modifier;
if (!modifier_is_supported(&screen->devinfo, f, 0, modifier))</pre>
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