From 0eaf7cca35b48f001c59f3818d7ac8e30e32e6eb Mon Sep 17 00:00:00 2001
From: Erik Faye-Lund <erik.faye-lund@collabora.com>
Date: Mon, 11 Mar 2024 22:39:10 +0100
Subject: [PATCH] mesa: prefer read-format of RG for snorm
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There's no good reason we want to read RGBA for SNORM RB textures. Let's
correct the preferred read-format here.

Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Reviewed-by: Tapani Pälli <tapani.palli@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/28120>
---
 src/mesa/main/framebuffer.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/mesa/main/framebuffer.c b/src/mesa/main/framebuffer.c
index 962cd7c5334..baa66fc4ee5 100644
--- a/src/mesa/main/framebuffer.c
+++ b/src/mesa/main/framebuffer.c
@@ -905,6 +905,7 @@ _mesa_get_color_read_format(struct gl_context *ctx,
          return GL_RGB;
       case MESA_FORMAT_RG_FLOAT32:
       case MESA_FORMAT_RG_FLOAT16:
+      case MESA_FORMAT_RG_SNORM8:
       case MESA_FORMAT_RG_UNORM8:
          return GL_RG;
       case MESA_FORMAT_RG_SINT32: