summaryrefslogtreecommitdiffstats
path: root/src/mesa
diff options
context:
space:
mode:
Diffstat (limited to 'src/mesa')
-rw-r--r--src/mesa/drivers/dri/i965/gen8_ps_state.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/src/mesa/drivers/dri/i965/gen8_ps_state.c b/src/mesa/drivers/dri/i965/gen8_ps_state.c
index b9a06e7b2c7..7dfd4bfb8de 100644
--- a/src/mesa/drivers/dri/i965/gen8_ps_state.c
+++ b/src/mesa/drivers/dri/i965/gen8_ps_state.c
@@ -91,10 +91,15 @@ gen8_upload_ps_extra(struct brw_context *brw,
* GEN8_PSX_PIXEL_SHADER_NO_RT_WRITE is not set it shouldn't make any
* difference so we may just disable it here.
*
+ * Gen8 hardware tries to compute ThreadDispatchEnable for us but doesn't
+ * take into account KillPixels when no depth or stencil writes are enabled.
+ * In order for occlusion queries to work correctly with no attachments, we
+ * need to force-enable here.
+ *
* BRW_NEW_FS_PROG_DATA | BRW_NEW_FRAGMENT_PROGRAM | _NEW_BUFFERS | _NEW_COLOR
*/
- if (_mesa_active_fragment_shader_has_side_effects(&brw->ctx) &&
- !brw_color_buffer_write_enabled(brw))
+ if ((_mesa_active_fragment_shader_has_side_effects(ctx) ||
+ prog_data->uses_kill) && !brw_color_buffer_write_enabled(brw))
dw1 |= GEN8_PSX_SHADER_HAS_UAV;
if (prog_data->computed_stencil) {