diff options
Diffstat (limited to 'src/sna/sna_trapezoids.c')
| -rw-r--r-- | src/sna/sna_trapezoids.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/sna/sna_trapezoids.c b/src/sna/sna_trapezoids.c index c9c031a4..8827b9c6 100644 --- a/src/sna/sna_trapezoids.c +++ b/src/sna/sna_trapezoids.c @@ -390,6 +390,7 @@ trapezoids_fallback(struct sna *sna, y = bounds.y1; dy = (height + num_threads - 1) / num_threads; + num_threads = (bounds.y2 - bounds.y1 + dy - 1) / dy; for (n = 1; n < num_threads; n++) { threads[n] = threads[0]; @@ -400,9 +401,9 @@ trapezoids_fallback(struct sna *sna, sna_threads_run(rasterize_traps_thread, &threads[n]); } + assert(y < threads[0].bounds.y2); threads[0].ptr += (y - bounds.y1) * threads[0].stride; threads[0].bounds.y1 = y; - threads[0].bounds.y2 = bounds.y2; rasterize_traps_thread(&threads[0]); sna_threads_wait(); |