From b62d69dcf6d03ff1317f111a2a035ad0b0374d56 Mon Sep 17 00:00:00 2001
From: Sergey Tikhomirov <sergey@tikhomirov.io>
Date: Sun, 9 Feb 2014 16:10:13 +0200
Subject: Add syntax highlighting for WebGL shaders in <script> tags

---
 after/syntax/html.vim | 9 +++++++++
 ftdetect/glsl.vim     | 1 -
 indent/glsl.vim       | 1 -
 syntax/glsl.vim       | 7 ++++---
 4 files changed, 13 insertions(+), 5 deletions(-)
 create mode 100644 after/syntax/html.vim

diff --git a/after/syntax/html.vim b/after/syntax/html.vim
new file mode 100644
index 0000000..667b27a
--- /dev/null
+++ b/after/syntax/html.vim
@@ -0,0 +1,9 @@
+" Language: OpenGL Shading Language
+" Maintainer: Sergey Tikhomirov <sergey@tikhomirov.io>
+
+syn include @GLSL syntax/glsl.vim
+syn region ShaderScript
+      \ start="<script [^>]*type=\('\|\"\)x-shader/x-\(vertex\|fragment\)\('\|\"\)[^>]*>"
+      \ keepend
+      \ end="</script>"me=s-1
+      \ contains=@GLSL,htmlScriptTag,@htmlPreproc
diff --git a/ftdetect/glsl.vim b/ftdetect/glsl.vim
index af8fb02..a37d16a 100644
--- a/ftdetect/glsl.vim
+++ b/ftdetect/glsl.vim
@@ -1,4 +1,3 @@
-" Vim syntax file
 " Language: OpenGL Shading Language
 " Maintainer: Sergey Tikhomirov <sergey@tikhomirov.io>
 
diff --git a/indent/glsl.vim b/indent/glsl.vim
index 6f363ac..a3cba2b 100644
--- a/indent/glsl.vim
+++ b/indent/glsl.vim
@@ -1,4 +1,3 @@
-" Vim syntax file
 " Language: OpenGL Shading Language
 " Maintainer: Sergey Tikhomirov <sergey@tikhomirov.io>
 
diff --git a/syntax/glsl.vim b/syntax/glsl.vim
index 92aeb9c..2b9a0df 100644
--- a/syntax/glsl.vim
+++ b/syntax/glsl.vim
@@ -1,8 +1,7 @@
-" Vim syntax file
 " Language: OpenGL Shading Language
 " Maintainer: Sergey Tikhomirov <sergey@tikhomirov.io>
 
-if exists("b:current_syntax")
+if exists("b:current_syntax") && b:current_syntax == "glsl"
   finish
 endif
 
@@ -258,6 +257,8 @@ hi def link glslBuiltinFunction   Function
 hi def link glslBuiltinVariable   Identifier
 hi def link glslSwizzle           SpecialChar
 
-let b:current_syntax = "glsl"
+if !exists("b:current_syntax")
+  let b:current_syntax = "glsl"
+endif
 
 " vim:set sts=2 sw=2 :
-- 
cgit v1.2.3