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-rw-r--r--src/mesa/drivers/dri/i965/brw_defines.h3
-rw-r--r--src/mesa/drivers/dri/i965/gen8_surface_state.c10
2 files changed, 11 insertions, 2 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_defines.h b/src/mesa/drivers/dri/i965/brw_defines.h
index 54e5a8f78bc..bfcc4424c3b 100644
--- a/src/mesa/drivers/dri/i965/brw_defines.h
+++ b/src/mesa/drivers/dri/i965/brw_defines.h
@@ -598,6 +598,9 @@
#define GEN9_SURFACE_TRMODE_TILEYF 1
#define GEN9_SURFACE_TRMODE_TILEYS 2
+#define GEN9_SURFACE_MIP_TAIL_START_LOD_SHIFT 8
+#define GEN9_SURFACE_MIP_TAIL_START_LOD_MASK INTEL_MASK(11, 8)
+
/* Surface state DW6 */
#define GEN7_SURFACE_MCS_ENABLE (1 << 0)
#define GEN7_SURFACE_MCS_PITCH_SHIFT 3
diff --git a/src/mesa/drivers/dri/i965/gen8_surface_state.c b/src/mesa/drivers/dri/i965/gen8_surface_state.c
index 2514d960e2e..b2d1a579815 100644
--- a/src/mesa/drivers/dri/i965/gen8_surface_state.c
+++ b/src/mesa/drivers/dri/i965/gen8_surface_state.c
@@ -255,8 +255,11 @@ gen8_emit_texture_surface_state(struct brw_context *brw,
surf[5] = SET_FIELD(min_level - mt->first_level, GEN7_SURFACE_MIN_LOD) |
(max_level - min_level - 1); /* mip count */
- if (brw->gen >= 9)
+ if (brw->gen >= 9) {
surf[5] |= SET_FIELD(tr_mode, GEN9_SURFACE_TRMODE);
+ /* Disable Mip Tail by setting a large value. */
+ surf[5] |= SET_FIELD(15, GEN9_SURFACE_MIP_TAIL_START_LOD);
+ }
if (aux_mt) {
surf[6] = SET_FIELD(mt->qpitch / 4, GEN8_SURFACE_AUX_QPITCH) |
@@ -478,8 +481,11 @@ gen8_update_renderbuffer_surface(struct brw_context *brw,
surf[5] = irb->mt_level - irb->mt->first_level;
- if (brw->gen >= 9)
+ if (brw->gen >= 9) {
surf[5] |= SET_FIELD(tr_mode, GEN9_SURFACE_TRMODE);
+ /* Disable Mip Tail by setting a large value. */
+ surf[5] |= SET_FIELD(15, GEN9_SURFACE_MIP_TAIL_START_LOD);
+ }
if (aux_mt) {
surf[6] = SET_FIELD(mt->qpitch / 4, GEN8_SURFACE_AUX_QPITCH) |