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path: root/src/gallium/drivers/llvmpipe/lp_setup_tri.c
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Diffstat (limited to 'src/gallium/drivers/llvmpipe/lp_setup_tri.c')
-rw-r--r--src/gallium/drivers/llvmpipe/lp_setup_tri.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_setup_tri.c b/src/gallium/drivers/llvmpipe/lp_setup_tri.c
index d4ef8f4c9c..2cd10ed420 100644
--- a/src/gallium/drivers/llvmpipe/lp_setup_tri.c
+++ b/src/gallium/drivers/llvmpipe/lp_setup_tri.c
@@ -487,6 +487,18 @@ lp_setup_bin_triangle( struct lp_setup_context *setup,
(bbox->y1 - (bbox->y0 & ~3)));
if (nr_planes == 3) {
+ if (sz < 4 && dx < 64)
+ {
+ /* Triangle is contained in a single 4x4 stamp:
+ */
+ int mask = (bbox->x0 & 63 & ~3) | ((bbox->y0 & 63 & ~3) << 8);
+
+ return lp_scene_bin_command( scene,
+ bbox->x0/64, bbox->y0/64,
+ LP_RAST_OP_TRIANGLE_3_4,
+ lp_rast_arg_triangle(tri, mask) );
+ }
+
if (sz < 16 && dx < 64)
{
int mask = (bbox->x0 & 63 & ~3) | ((bbox->y0 & 63 & ~3) << 8);