diff options
| -rw-r--r-- | src/mesa/drivers/dri/i965/gen6_blorp.cpp | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/gen6_blorp.cpp b/src/mesa/drivers/dri/i965/gen6_blorp.cpp index 6a5841f78c0..441d61fb018 100644 --- a/src/mesa/drivers/dri/i965/gen6_blorp.cpp +++ b/src/mesa/drivers/dri/i965/gen6_blorp.cpp @@ -1012,6 +1012,19 @@ gen6_blorp_emit_primitive(struct brw_context *brw, ADVANCE_BATCH(); } +static void +gen6_emit_hiz_workaround(struct brw_context *brw, enum gen6_hiz_op hiz_op) +{ + /* This fixes a HiZ hang in WebGL Google Maps. A more minimal fix likely + * exists, but this gets the job done. + */ + if (hiz_op == GEN6_HIZ_OP_DEPTH_RESOLVE || + hiz_op == GEN6_HIZ_OP_HIZ_RESOLVE) { + brw->batch.need_workaround_flush = true; + intel_emit_post_sync_nonzero_flush(brw); + intel_emit_depth_stall_flushes(brw); + } +} /** * \brief Execute a blit or render pass operation. @@ -1034,6 +1047,8 @@ gen6_blorp_exec(struct brw_context *brw, uint32_t wm_bind_bo_offset = 0; uint32_t prog_offset = params->get_wm_prog(brw, &prog_data); + + gen6_emit_hiz_workaround(brw, params->hiz_op); gen6_emit_3dstate_multisample(brw, params->dst.num_samples); gen6_emit_3dstate_sample_mask(brw, params->dst.num_samples > 1 ? |