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-rw-r--r--src/mesa/state_tracker/st_atom_blend.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/src/mesa/state_tracker/st_atom_blend.c b/src/mesa/state_tracker/st_atom_blend.c
index a5f7edbcfe4..2a8da75f360 100644
--- a/src/mesa/state_tracker/st_atom_blend.c
+++ b/src/mesa/state_tracker/st_atom_blend.c
@@ -153,6 +153,10 @@ st_update_blend( struct st_context *st )
num_state = ctx->Const.MaxDrawBuffers;
blend->independent_blend_enable = 1;
}
+
+ for (i = 0; i < num_state; i++)
+ blend->rt[i].colormask = GET_COLORMASK(ctx->Color.ColorMask, i);
+
if (ctx->Color.ColorLogicOpEnabled) {
/* logicop enabled */
blend->logicop_enable = 1;
@@ -161,7 +165,8 @@ st_update_blend( struct st_context *st )
else if (ctx->Color.BlendEnabled && !ctx->Color._AdvancedBlendMode) {
/* blending enabled */
for (i = 0, j = 0; i < num_state; i++) {
- if (!(ctx->Color.BlendEnabled & (1 << i)))
+ if (!(ctx->Color.BlendEnabled & (1 << i)) ||
+ !blend->rt[i].colormask)
continue;
if (ctx->Extensions.ARB_draw_buffers_blend)
@@ -205,9 +210,6 @@ st_update_blend( struct st_context *st )
/* no blending / logicop */
}
- for (i = 0; i < num_state; i++)
- blend->rt[i].colormask = GET_COLORMASK(ctx->Color.ColorMask, i);
-
blend->dither = ctx->Color.DitherFlag;
if (_mesa_is_multisample_enabled(ctx) &&