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-rw-r--r--src/mesa/drivers/dri/i965/brw_defines.h1
-rw-r--r--src/mesa/drivers/dri/i965/gen7_wm_state.c5
-rw-r--r--src/mesa/drivers/dri/i965/gen8_ps_state.c5
3 files changed, 7 insertions, 4 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_defines.h b/src/mesa/drivers/dri/i965/brw_defines.h
index bd3218a1d3e..7d55d85bfae 100644
--- a/src/mesa/drivers/dri/i965/brw_defines.h
+++ b/src/mesa/drivers/dri/i965/brw_defines.h
@@ -2259,6 +2259,7 @@ enum brw_wm_barycentric_interp_mode {
# define GEN7_PS_SPF_MODE (1 << 31)
# define GEN7_PS_VECTOR_MASK_ENABLE (1 << 30)
# define GEN7_PS_SAMPLER_COUNT_SHIFT 27
+# define GEN7_PS_SAMPLER_COUNT_MASK INTEL_MASK(29, 27)
# define GEN7_PS_BINDING_TABLE_ENTRY_COUNT_SHIFT 18
# define GEN7_PS_FLOATING_POINT_MODE_IEEE_754 (0 << 16)
# define GEN7_PS_FLOATING_POINT_MODE_ALT (1 << 16)
diff --git a/src/mesa/drivers/dri/i965/gen7_wm_state.c b/src/mesa/drivers/dri/i965/gen7_wm_state.c
index 923414edfb8..55a1acd563d 100644
--- a/src/mesa/drivers/dri/i965/gen7_wm_state.c
+++ b/src/mesa/drivers/dri/i965/gen7_wm_state.c
@@ -135,8 +135,9 @@ upload_ps_state(struct brw_context *brw)
dw2 = dw4 = dw5 = ksp2 = 0;
- dw2 |=
- (ALIGN(brw->wm.base.sampler_count, 4) / 4) << GEN7_PS_SAMPLER_COUNT_SHIFT;
+ const unsigned sampler_count =
+ DIV_ROUND_UP(CLAMP(brw->wm.base.sampler_count, 0, 16), 4);
+ dw2 |= SET_FIELD(sampler_count, GEN7_PS_SAMPLER_COUNT);
dw2 |= ((prog_data->base.binding_table.size_bytes / 4) <<
GEN7_PS_BINDING_TABLE_ENTRY_COUNT_SHIFT);
diff --git a/src/mesa/drivers/dri/i965/gen8_ps_state.c b/src/mesa/drivers/dri/i965/gen8_ps_state.c
index 5f39e12b89c..84811533bba 100644
--- a/src/mesa/drivers/dri/i965/gen8_ps_state.c
+++ b/src/mesa/drivers/dri/i965/gen8_ps_state.c
@@ -133,8 +133,9 @@ upload_ps_state(struct brw_context *brw)
*/
dw3 |= GEN7_PS_VECTOR_MASK_ENABLE;
- dw3 |=
- (ALIGN(brw->wm.base.sampler_count, 4) / 4) << GEN7_PS_SAMPLER_COUNT_SHIFT;
+ const unsigned sampler_count =
+ DIV_ROUND_UP(CLAMP(brw->wm.base.sampler_count, 0, 16), 4);
+ dw3 |= SET_FIELD(sampler_count, GEN7_PS_SAMPLER_COUNT);
/* BRW_NEW_FS_PROG_DATA */
dw3 |=