From 88acbcadbb27169eaf171465b753b10c49eec46e Mon Sep 17 00:00:00 2001
From: =?utf8?q?Pedro=20J=2E=20Est=C3=A9banez?= <pedrojrulez@gmail.com>
Date: Tue, 4 Apr 2023 20:26:36 +0200
Subject: [PATCH] spirv: Assume input attachments are read-only

Reviewed-by: Jesse Natalie <jenatali@microsoft.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/22289>
---
 src/compiler/spirv/vtn_variables.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/compiler/spirv/vtn_variables.c b/src/compiler/spirv/vtn_variables.c
index 805831e..8db61c8 100644
--- a/src/compiler/spirv/vtn_variables.c
+++ b/src/compiler/spirv/vtn_variables.c
@@ -1416,6 +1416,7 @@ var_decoration_cb(struct vtn_builder *b, struct vtn_value *val, int member,
       return;
    case SpvDecorationInputAttachmentIndex:
       vtn_var->input_attachment_index = dec->operands[0];
+      vtn_var->access |= ACCESS_NON_WRITEABLE;
       return;
    case SpvDecorationPatch:
       vtn_var->var->data.patch = true;
-- 
2.7.4