ac/surface: disable DCC for 3D textures on gfx9 to improve performance
This improves Viewperf/Energy perf by 60% on Vega10. Acked-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/28846>
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@@ -2018,6 +2018,7 @@ static int gfx9_compute_miptree(struct ac_addrlib *addrlib, const struct radeon_
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use_dcc = ac_modifier_has_dcc(surf->modifier);
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} else {
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use_dcc = info->has_graphics && !(surf->flags & RADEON_SURF_DISABLE_DCC) && !compressed &&
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!config->is_3d &&
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is_dcc_supported_by_CB(info, in->swizzleMode) &&
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(!in->flags.display ||
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gfx9_is_dcc_supported_by_DCN(info, config, surf, !in->flags.metaRbUnaligned,
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