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sna: Add reminder about possible future tiling optimisations 

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2012-01-10 10:38:43 +00:00
parent 21948578d0
commit 8dd913fd3a
1 changed files with 8 additions and 3 deletions
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11
src/sna/sna_accel.c
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@ -1079,8 +1079,8 @@ sna_drawable_move_region_to_cpu(DrawablePtr drawable,
region->extents.y2 - region->extents.y1));
if ((flags & MOVE_WRITE) == 0 &&
region->extents.x2 - region->extents.x1 == 1 &&
region->extents.y2 - region->extents.y1 == 1) {
region->extents.x2 - region->extents.x1 == 1 &&
region->extents.y2 - region->extents.y1 == 1) {
/* Often associated with synchronisation, KISS */
sna_read_boxes(sna,
priv->gpu_bo, 0, 0,
@ -6753,12 +6753,17 @@ sna_poly_fill_rect_tiled_blt(DrawablePtr drawable,
tile_width = tile->drawable.width;
tile_height = tile->drawable.height;
if (tile_width == 1 && tile_height == 1)
if ((tile_width | tile_height) == 1)
return sna_poly_fill_rect_blt(drawable, bo, damage,
gc, get_pixel(tile),
n, rect,
extents, clipped);
/* XXX [248]x[238] tiling can be reduced to a pattern fill.
* Also we can do the lg2 reduction for BLT and use repeat modes for
* RENDER.
*/
if (!sna_pixmap_move_to_gpu(tile, MOVE_READ))
return FALSE;