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sna/gen5: If we need to flush the composite op, check to see if we can blit 

If we need to halt the 3D engine in order to flush the pipeline for a
dirty source, we may as well re-evaluate whether we can use the BLT
instead.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2011-12-18 01:45:47 +00:00
parent de530f89a3
commit 507debe801
1 changed files with 12 additions and 1 deletions
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13
src/sna/gen5_render.c
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@ -2174,8 +2174,19 @@ gen5_render_composite(struct sna *sna,
tmp->dst.bo, tmp->src.bo, tmp->mask.bo, NULL))
kgem_submit(&sna->kgem);
if (kgem_bo_is_dirty(tmp->src.bo) || kgem_bo_is_dirty(tmp->mask.bo))
if (kgem_bo_is_dirty(tmp->src.bo) || kgem_bo_is_dirty(tmp->mask.bo)) {
if (mask == NULL &&
tmp->redirect.real_bo == NULL &&
sna_blt_composite(sna, op,
src, dst,
src_x, src_y,
dst_x, dst_y,
width, height, tmp)) {
kgem_bo_destroy(&sna->kgem, tmp->src.bo);
return TRUE;
}
kgem_emit_flush(&sna->kgem);
}
gen5_bind_surfaces(sna, tmp);
gen5_align_vertex(sna, tmp);