From: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Date: Fri, 15 May 2020 16:19:22 +0000 (-0400)
Subject: panfrost: Handle !independent_blend for blend shaders
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=f7cf5a30c747e83ef728142e472c341a01f19a70;p=mesa.git

panfrost: Handle !independent_blend for blend shaders

Fixes MRT blending.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5153>
---

diff --git a/src/gallium/drivers/panfrost/pan_blend_shaders.c b/src/gallium/drivers/panfrost/pan_blend_shaders.c
index a639e66c1cb..079080879a9 100644
--- a/src/gallium/drivers/panfrost/pan_blend_shaders.c
+++ b/src/gallium/drivers/panfrost/pan_blend_shaders.c
@@ -85,6 +85,9 @@ nir_make_options(const struct pipe_blend_state *blend, unsigned i)
 
         options.logicop_enable = false;
 
+        if (!blend->independent_blend_enable)
+                i = 0;
+
         /* If blend is disabled, we just use replace mode */
 
         nir_lower_blend_channel rgb = {