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-rw-r--r--src/gallium/drivers/radeonsi/si_state.c4
-rw-r--r--src/gallium/drivers/radeonsi/si_state.h1
-rw-r--r--src/gallium/drivers/radeonsi/si_state_shaders.c1
3 files changed, 6 insertions, 0 deletions
diff --git a/src/gallium/drivers/radeonsi/si_state.c b/src/gallium/drivers/radeonsi/si_state.c
index 41b08f8de4f..5ee8bb9cd57 100644
--- a/src/gallium/drivers/radeonsi/si_state.c
+++ b/src/gallium/drivers/radeonsi/si_state.c
@@ -441,6 +441,8 @@ static void *si_create_blend_state_mode(struct pipe_context *ctx,
blend->need_src_alpha_4bit |= 0xf;
blend->cb_target_mask = 0;
+ blend->cb_target_enabled_4bit = 0;
+
for (int i = 0; i < 8; i++) {
/* state->rt entries > 0 only written if independent blending */
const int j = state->independent_blend_enable ? i : 0;
@@ -482,6 +484,8 @@ static void *si_create_blend_state_mode(struct pipe_context *ctx,
/* cb_render_state will disable unused ones */
blend->cb_target_mask |= (unsigned)state->rt[j].colormask << (4 * i);
+ if (state->rt[j].colormask)
+ blend->cb_target_enabled_4bit |= 0xf << (4 * i);
if (!state->rt[j].colormask || !state->rt[j].blend_enable) {
si_pm4_set_reg(pm4, R_028780_CB_BLEND0_CONTROL + i * 4, blend_cntl);
diff --git a/src/gallium/drivers/radeonsi/si_state.h b/src/gallium/drivers/radeonsi/si_state.h
index 26c7b4ca9a3..7b7d96c0665 100644
--- a/src/gallium/drivers/radeonsi/si_state.h
+++ b/src/gallium/drivers/radeonsi/si_state.h
@@ -55,6 +55,7 @@ struct si_state_blend {
/* Set 0xf or 0x0 (4 bits) per render target if the following is
* true. ANDed with spi_shader_col_format.
*/
+ unsigned cb_target_enabled_4bit;
unsigned blend_enable_4bit;
unsigned need_src_alpha_4bit;
};
diff --git a/src/gallium/drivers/radeonsi/si_state_shaders.c b/src/gallium/drivers/radeonsi/si_state_shaders.c
index 71d798749c1..061b3d213e8 100644
--- a/src/gallium/drivers/radeonsi/si_state_shaders.c
+++ b/src/gallium/drivers/radeonsi/si_state_shaders.c
@@ -1355,6 +1355,7 @@ static inline void si_shader_selector_key(struct pipe_context *ctx,
sctx->framebuffer.spi_shader_col_format_alpha) |
(~blend->blend_enable_4bit & ~blend->need_src_alpha_4bit &
sctx->framebuffer.spi_shader_col_format);
+ key->part.ps.epilog.spi_shader_col_format &= blend->cb_target_enabled_4bit;
/* The output for dual source blending should have
* the same format as the first output.