From 7c3dab6af9f63e3fab4b96a349cb006d072b8422 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Benjamin=20=E2=80=98Touky=E2=80=99=20Huet?=
 <huet.benjamin@gmail.com>
Date: Wed, 25 Sep 2013 20:58:46 +0000
Subject: [PATCH] Fixed an error for Emscripten.

---
 src/gpu/shader.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/gpu/shader.cpp b/src/gpu/shader.cpp
index fc0a662b..c2b19525 100644
--- a/src/gpu/shader.cpp
+++ b/src/gpu/shader.cpp
@@ -352,8 +352,12 @@ Shader::Shader(char const *vert, char const *frag)
     GLint num_attribs;
     glGetProgramiv(data->prog_id, GL_ACTIVE_ATTRIBUTES, &num_attribs);
 
+#if EMSCRIPTEN //WebGL doesn't support GL_ACTIVE_ATTRIBUTE_MAX_LENGTH, so chose a default size value.
+    GLint max_len = 256;
+#else
     GLint max_len;
     glGetProgramiv(data->prog_id, GL_ACTIVE_ATTRIBUTE_MAX_LENGTH, &max_len);
+#endif
 
     char* name_buffer = new char[max_len];
     for (int i = 0; i < num_attribs; ++i)