diff --git a/src/freedreno/vulkan/tu_pipeline.c b/src/freedreno/vulkan/tu_pipeline.c index 794aa4abb32..54d011b002a 100644 --- a/src/freedreno/vulkan/tu_pipeline.c +++ b/src/freedreno/vulkan/tu_pipeline.c @@ -1562,6 +1562,15 @@ tu6_emit_scissor(struct tu_cs *cs, const VkRect2D *scissor) if (max.y == 0) min.y = max.y = 1; + /* avoid overflow with large scissor + * note the max will be limited to min - 1, so that empty scissor works + */ + uint32_t scissor_max = BITFIELD_MASK(15); + min.x = MIN2(scissor_max, min.x); + min.y = MIN2(scissor_max, min.y); + max.x = MIN2(scissor_max, max.x); + max.y = MIN2(scissor_max, max.y); + tu_cs_emit_regs(cs, A6XX_GRAS_SC_SCREEN_SCISSOR_TL_0(.x = min.x, .y = min.y), A6XX_GRAS_SC_SCREEN_SCISSOR_BR_0(.x = max.x - 1, .y = max.y - 1));