From 05131f7502150968d7ee19673676f74d4c2fd22b Mon Sep 17 00:00:00 2001 From: Keith Whitwell Date: Fri, 9 Oct 2009 16:19:00 +0100 Subject: llvmpipe: properly clip tile writes --- src/gallium/drivers/llvmpipe/lp_rast.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) (limited to 'src/gallium/drivers/llvmpipe/lp_rast.c') diff --git a/src/gallium/drivers/llvmpipe/lp_rast.c b/src/gallium/drivers/llvmpipe/lp_rast.c index e73331535fb..3585011ace0 100644 --- a/src/gallium/drivers/llvmpipe/lp_rast.c +++ b/src/gallium/drivers/llvmpipe/lp_rast.c @@ -269,15 +269,23 @@ static void lp_rast_store_color( struct lp_rasterizer *rast ) { const unsigned x = rast->x; const unsigned y = rast->y; + unsigned w = TILESIZE; + unsigned h = TILESIZE; - RAST_DEBUG("%s %d,%d\n", __FUNCTION__, x, y); + if (x + w > rast->width) + w -= x + w - rast->width; + + if (y + h > rast->height) + h -= y + h - rast->height; + + RAST_DEBUG("%s %d,%d %dx%d\n", __FUNCTION__, x, y, w, h); lp_tile_write_4ub(rast->cbuf_transfer->format, rast->tile.color, rast->cbuf_map, rast->cbuf_transfer->stride, x, y, - TILESIZE, TILESIZE); + w, h); } -- cgit v1.2.3