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radeonsi: always set all blend registers

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better safe than sorry

Cc: 13.0 <mesa-stable@lists.freedesktop.org>
Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
This commit is contained in:
Marek Olšák 2016-11-26 15:39:06 +01:00
parent fc9f7fc9d0
commit 87b208a54e
1 changed files with 5 additions and 5 deletions
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10
src/gallium/drivers/radeonsi/si_state.c
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@ -453,8 +453,10 @@ static void *si_create_blend_state_mode(struct pipe_context *ctx,
S_028760_ALPHA_COMB_FCN(V_028760_OPT_COMB_BLEND_DISABLED);
/* Only set dual source blending for MRT0 to avoid a hang. */
if (i >= 1 && blend->dual_src_blend)
if (i >= 1 && blend->dual_src_blend) {
si_pm4_set_reg(pm4, R_028780_CB_BLEND0_CONTROL + i * 4, blend_cntl);
continue;
}
/* Only addition and subtraction equations are supported with
* dual source blending.
@ -463,16 +465,14 @@ static void *si_create_blend_state_mode(struct pipe_context *ctx,
(eqRGB == PIPE_BLEND_MIN || eqRGB == PIPE_BLEND_MAX ||
eqA == PIPE_BLEND_MIN || eqA == PIPE_BLEND_MAX)) {
assert(!"Unsupported equation for dual source blending");
si_pm4_set_reg(pm4, R_028780_CB_BLEND0_CONTROL + i * 4, blend_cntl);
continue;
}
if (!state->rt[j].colormask)
continue;
/* cb_render_state will disable unused ones */
blend->cb_target_mask |= (unsigned)state->rt[j].colormask << (4 * i);
if (!state->rt[j].blend_enable) {
if (!state->rt[j].colormask || !state->rt[j].blend_enable) {
si_pm4_set_reg(pm4, R_028780_CB_BLEND0_CONTROL + i * 4, blend_cntl);
continue;
}