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freedreno/a6xx: Skip blitter for L/A conversions

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The blitter cannot do the needed swizzle gymnastics for blitting to
luminance and/or alpha formats.  So fallback to the 3d path.

Signed-off-by: Rob Clark <robdclark@chromium.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/30064>
This commit is contained in:
Rob Clark
2024-07-11 15:24:00 -07:00
committed by Marge Bot
parent 3bb393e7b9
commit 89dd8d101b
1 changed files with 12 additions and 0 deletions
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12
src/gallium/drivers/freedreno/a6xx/fd6_blitter.cc
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@@ -217,6 +217,18 @@ can_do_blit(const struct pipe_blit_info *info)
fail_if(info->window_rectangle_include);
/* The blitter can't handle the needed swizzle gymnastics to convert
* to/from L/A formats:
*/
if (info->src.format != info->dst.format) {
fail_if(util_format_is_luminance(info->dst.format));
fail_if(util_format_is_alpha(info->dst.format));
fail_if(util_format_is_luminance_alpha(info->dst.format));
fail_if(util_format_is_luminance(info->src.format));
fail_if(util_format_is_alpha(info->src.format));
fail_if(util_format_is_luminance_alpha(info->src.format));
}
const struct util_format_description *src_desc =
util_format_description(info->src.format);
const struct util_format_description *dst_desc =