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broadcom/vc4: Fix the scaling factor for the GFXH-515 workaround.
authorEric Anholt <eric@anholt.net>
Fri, 1 Dec 2017 23:29:05 +0000 (15:29 -0800)
committerEric Anholt <eric@anholt.net>
Fri, 1 Dec 2017 23:37:28 +0000 (15:37 -0800)
For triangle strips, we step by max_verts - 2.

src/gallium/drivers/vc4/vc4_draw.c patch | blob | history

diff --git a/src/gallium/drivers/vc4/vc4_draw.c b/src/gallium/drivers/vc4/vc4_draw.c
index 9522bb94dda845b187e1e994f2ddf7356af1fb0d..0df2293141060e6b01327cd0738162d7b989c54d 100644 (file)
--- a/src/gallium/drivers/vc4/vc4_draw.c
+++ b/src/gallium/drivers/vc4/vc4_draw.c
@@ -40,7 +40,7 @@ vc4_get_draw_cl_space(struct vc4_job *job, int vert_count)
         /* The SW-5891 workaround may cause us to emit multiple shader recs
          * and draw packets.
          */
-        int num_draws = DIV_ROUND_UP(vert_count, 65535) + 1;
+        int num_draws = DIV_ROUND_UP(vert_count, 65535 - 2) + 1;
 
         /* Binner gets our packet state -- vc4_emit.c contents,
          * and the primitive itself.