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sna: Enlarge the minimum pixmap size to migrate for Render 

This is to workaround a ping-pong issue involving small icons. The
horrible sequence of operations appears to use a tiled FillRect to copy
from the scanout onto to a temporary pixmap, which causes us to
readback from the scanout. We are destined to hit the fallback path there
anyway until we implement stippling...

References: https://bugs.freedesktop.org/show_bug.cgi?id=41718
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2011-10-19 13:49:55 +01:00
parent 87ba33bc0b
commit 5515f75647
1 changed files with 1 additions and 1 deletions
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2
src/sna/sna_render_inline.h
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@ -87,7 +87,7 @@ is_dirty_gpu(DrawablePtr drawable)
static inline Bool
too_small(DrawablePtr drawable)
{
return (drawable->width * drawable->height <= 256) &&
return (drawable->width * drawable->height * drawable->bitsPerPixel <= 8*4096) &&
!is_dirty_gpu(drawable);
}