From bd188f9e83f75bac5962badb57d9fe7714aa9dd2 Mon Sep 17 00:00:00 2001
From: Josh Holtrop <jholtrop@gmail.com>
Date: Tue, 22 Jul 2014 18:51:38 -0400
Subject: [PATCH] add GLShader_id()

---
 src/GLShader.cc | 11 ++++++++---
 src/GLShader.h  |  4 ++++
 2 files changed, 12 insertions(+), 3 deletions(-)

diff --git a/src/GLShader.cc b/src/GLShader.cc
index 32d8b25..7f58a85 100644
--- a/src/GLShader.cc
+++ b/src/GLShader.cc
@@ -1,6 +1,4 @@
 #include "GLShader.h"
-#include "ruby.h"
-#include "gl3w.h"
 
 typedef struct
 {
@@ -95,5 +93,12 @@ void GLShader_Init()
 {
     ruby_class = rb_define_class("GLShader", rb_cObject);
     rb_define_singleton_method(ruby_class, "new", (VALUE(*)(...))GLShader_new, 2);
-    rb_define_attr(ruby_class, "id", 0, 1);
+}
+
+GLuint GLShader_id(VALUE shader)
+{
+    GLShader * glshader;
+    Data_Get_Struct(shader, GLShader, glshader);
+
+    return glshader->id;
 }
diff --git a/src/GLShader.h b/src/GLShader.h
index 26d44f3..00b1013 100644
--- a/src/GLShader.h
+++ b/src/GLShader.h
@@ -1,6 +1,10 @@
 #ifndef GLSHADER_H
 #define GLSHADER_H
 
+#include "ruby.h"
+#include "gl3w.h"
+
 void GLShader_Init();
+GLuint GLShader_id(VALUE shader);
 
 #endif