Module: Mesa
Branch: 12.0
Commit: 4f71f93878f6aca0fee09fe59449cfe453596b10
URL:
http://cgit.freedesktop.org/mesa/mesa/commit/?id=4f71f93878f6aca0fee09fe59449cfe453596b10
Author: Marek Olšák <marek.ol...@amd.com>
Date: Sat Nov 26 15:43:39 2016 +0100
radeonsi: set CB_BLEND1_CONTROL.ENABLE for dual source blending
copied from Vulkan
Cc: 13.0 <mesa-sta...@lists.freedesktop.org>
Reviewed-by: Nicolai Hähnle <nicolai.haeh...@amd.com>
(cherry picked from commit ff50c44a5fb4411715da828af5b8706c8a456d26)
---
src/gallium/drivers/radeonsi/si_state.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/src/gallium/drivers/radeonsi/si_state.c
b/src/gallium/drivers/radeonsi/si_state.c
index eb84d61..48665f8 100644
--- a/src/gallium/drivers/radeonsi/si_state.c
+++ b/src/gallium/drivers/radeonsi/si_state.c
@@ -462,6 +462,10 @@ static void *si_create_blend_state_mode(struct
pipe_context *ctx,
/* Only set dual source blending for MRT0 to avoid a hang. */
if (i >= 1 && blend->dual_src_blend) {
+ /* Vulkan does this for dual source blending. */
+ if (i == 1)
+ blend_cntl |= S_028780_ENABLE(1);
+
si_pm4_set_reg(pm4, R_028780_CB_BLEND0_CONTROL + i * 4,
blend_cntl);
continue;
}
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