From 6bae0eb504e01ece067e79edc3a31a4f00024b8b Mon Sep 17 00:00:00 2001
From: Nicolas Silva <nical@fastmail.com>
Date: Fri, 6 Oct 2017 11:33:58 +0200
Subject: [PATCH] Insert the shader name in the source.

This makes life easier when looking at apitrace recordings.
---
 webrender/src/device.rs | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/webrender/src/device.rs b/webrender/src/device.rs
index 37fd6dffb8..688f374e9d 100644
--- a/webrender/src/device.rs
+++ b/webrender/src/device.rs
@@ -183,6 +183,11 @@ pub fn build_shader_strings(
     vs_source.push_str(gl_version_string);
     fs_source.push_str(gl_version_string);
 
+    // Insert the shader name to make debugging easier.
+    let name_string = format!("// {}\n", base_filename);
+    vs_source.push_str(&name_string);
+    fs_source.push_str(&name_string);
+
     // Define a constant depending on whether we are compiling VS or FS.
     vs_source.push_str(SHADER_KIND_VERTEX);
     fs_source.push_str(SHADER_KIND_FRAGMENT);