From: Marek Olšák <marek.ol...@amd.com>
Also needed for the DB in-place decompression according to hw docs.
---
src/gallium/drivers/radeonsi/si_state.c | 11 ++++++++---
1 file changed, 8 insertions(+), 3 deletions(-)
diff --git a/src/gallium/drivers/radeonsi/si_state.c
b/src/gallium/drivers/radeonsi/si_state.c
index 5c18538..5274eff 100644
--- a/src/gallium/drivers/radeonsi/si_state.c
+++ b/src/gallium/drivers/radeonsi/si_state.c
@@ -252,20 +252,18 @@ static void *si_create_blend_state_mode(struct
pipe_context *ctx,
struct si_state_blend *blend = CALLOC_STRUCT(si_state_blend);
struct si_pm4_state *pm4 = &blend->pm4;
- uint32_t color_control;
+ uint32_t color_control = 0;
if (blend == NULL)
return NULL;
blend->alpha_to_one = state->alpha_to_one;
- color_control = S_028808_MODE(mode);
if (state->logicop_enable) {
color_control |= S_028808_ROP3(state->logicop_func |
(state->logicop_func << 4));
} else {
color_control |= S_028808_ROP3(0xcc);
}
- si_pm4_set_reg(pm4, R_028808_CB_COLOR_CONTROL, color_control);
si_pm4_set_reg(pm4, R_028B70_DB_ALPHA_TO_MASK,
S_028B70_ALPHA_TO_MASK_ENABLE(state->alpha_to_coverage) |
@@ -310,6 +308,13 @@ static void *si_create_blend_state_mode(struct
pipe_context *ctx,
si_pm4_set_reg(pm4, R_028780_CB_BLEND0_CONTROL + i * 4,
blend_cntl);
}
+ if (blend->cb_target_mask) {
+ color_control |= S_028808_MODE(mode);
+ } else {
+ color_control |= S_028808_MODE(V_028808_CB_DISABLE);
+ }
+ si_pm4_set_reg(pm4, R_028808_CB_COLOR_CONTROL, color_control);
+
return blend;
}
--
1.8.3.2
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