From 14ff4649f7a31244e23ccb7c0ae3299aa7835e4e Mon Sep 17 00:00:00 2001
From: Joshua Granick <jgranick@users.noreply.github.com>
Date: Tue, 27 Feb 2018 09:00:58 -0800
Subject: [PATCH] Start trying to improve support for KHR_debug

---
 project/src/graphics/opengl/OpenGLBindings.cpp | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/project/src/graphics/opengl/OpenGLBindings.cpp b/project/src/graphics/opengl/OpenGLBindings.cpp
index c14104b13..e47e80457 100644
--- a/project/src/graphics/opengl/OpenGLBindings.cpp
+++ b/project/src/graphics/opengl/OpenGLBindings.cpp
@@ -183,6 +183,13 @@ namespace lime {
 	}
 	
 	
+	void GLAPIENTRY gl_debug_callback (GLenum source, GLenum type, GLuint id, GLenum severity, GLsizei length, const GLchar *message, GLvoid *userParam) {
+		
+		puts (message);
+		
+	}
+	
+	
 	void lime_gl_active_texture (int texture) {
 		
 		glActiveTexture (texture);
@@ -1156,6 +1163,16 @@ namespace lime {
 			
 			if (!init) {
 				
+				if (strcmp (name.__s, "KHR_debug") == 0) {
+					
+					#ifdef LIME_GLES
+					glDebugMessageCallbackKHR ((GLDEBUGPROCARB)gl_debug_callback, NULL);
+					#elif !defined(HX_MACOS)
+					glDebugMessageCallback ((GLDEBUGPROCARB)gl_debug_callback, NULL);
+					#endif
+					
+				}
+				
 				init = true;
 				kind_share (&functionKind, "function");