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iris: Fix multiple RTs with non-independent blending 

rt[i] isn't filled out in this case, so we have to use rt[0]
This commit is contained in:
Kenneth Graunke 2018-11-08 00:15:50 -08:00
parent 58507c02ce
commit 64af1d9248
1 changed files with 13 additions and 11 deletions
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24
src/gallium/drivers/iris/iris_state.c
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@ -812,6 +812,8 @@ iris_create_blend_state(struct pipe_context *ctx,
blend_state += GENX(BLEND_STATE_length);
for (int i = 0; i < BRW_MAX_DRAW_BUFFERS; i++) {
const struct pipe_rt_blend_state *rt =
&state->rt[state->independent_blend_enable ? i : 0];
iris_pack_state(GENX(BLEND_STATE_ENTRY), blend_state, be) {
be.LogicOpEnable = state->logicop_enable;
be.LogicOpFunction = state->logicop_func;
@ -821,19 +823,19 @@ iris_create_blend_state(struct pipe_context *ctx,
be.PreBlendColorClampEnable = true;
be.PostBlendColorClampEnable = true;
be.ColorBufferBlendEnable = state->rt[i].blend_enable;
be.ColorBufferBlendEnable = rt->blend_enable;
be.ColorBlendFunction = state->rt[i].rgb_func;
be.AlphaBlendFunction = state->rt[i].alpha_func;
be.SourceBlendFactor = state->rt[i].rgb_src_factor;
be.SourceAlphaBlendFactor = state->rt[i].alpha_func;
be.DestinationBlendFactor = state->rt[i].rgb_dst_factor;
be.DestinationAlphaBlendFactor = state->rt[i].alpha_dst_factor;
be.ColorBlendFunction = rt->rgb_func;
be.AlphaBlendFunction = rt->alpha_func;
be.SourceBlendFactor = rt->rgb_src_factor;
be.SourceAlphaBlendFactor = rt->alpha_func;
be.DestinationBlendFactor = rt->rgb_dst_factor;
be.DestinationAlphaBlendFactor = rt->alpha_dst_factor;
be.WriteDisableRed = !(state->rt[i].colormask & PIPE_MASK_R);
be.WriteDisableGreen = !(state->rt[i].colormask & PIPE_MASK_G);
be.WriteDisableBlue = !(state->rt[i].colormask & PIPE_MASK_B);
be.WriteDisableAlpha = !(state->rt[i].colormask & PIPE_MASK_A);
be.WriteDisableRed = !(rt->colormask & PIPE_MASK_R);
be.WriteDisableGreen = !(rt->colormask & PIPE_MASK_G);
be.WriteDisableBlue = !(rt->colormask & PIPE_MASK_B);
be.WriteDisableAlpha = !(rt->colormask & PIPE_MASK_A);
}
blend_state += GENX(BLEND_STATE_ENTRY_length);
}