From ebfb17ec6c56087a22ce86ec630643ec4d9d80a1 Mon Sep 17 00:00:00 2001
From: Elias Naur <mail@eliasnaur.com>
Date: Tue, 9 Feb 2021 11:08:11 +0100
Subject: [PATCH] gpu/gl: add support for read-only images to BindImageTexture

Signed-off-by: Elias Naur <mail@eliasnaur.com>
---
 gpu/gl/backend.go | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/gpu/gl/backend.go b/gpu/gl/backend.go
index 04d915ab..401252e8 100644
--- a/gpu/gl/backend.go
+++ b/gpu/gl/backend.go
@@ -334,6 +334,8 @@ func (b *Backend) BindImageTexture(unit int, tex backend.Texture, access backend
 	switch access {
 	case backend.AccessWrite:
 		acc = glimpl.WRITE_ONLY
+	case backend.AccessRead:
+		acc = glimpl.READ_ONLY
 	default:
 		panic("unsupported access bits")
 	}