From 85fc5ec31f0a241645b3b9a7a93a5f8868c4722d Mon Sep 17 00:00:00 2001
From: Francisco Zurita <fzurita@gmail.com>
Date: Sun, 29 Jan 2017 21:48:12 +0700
Subject: [PATCH] Fix GLFunctions for EGL.

---
 src/Graphics/OpenGLContext/GLFunctions.cpp |  6 ++++++
 src/Graphics/OpenGLContext/GLFunctions.h   | 10 ++++++++++
 2 files changed, 16 insertions(+)

diff --git a/src/Graphics/OpenGLContext/GLFunctions.cpp b/src/Graphics/OpenGLContext/GLFunctions.cpp
index 62a8b82c..b454029e 100644
--- a/src/Graphics/OpenGLContext/GLFunctions.cpp
+++ b/src/Graphics/OpenGLContext/GLFunctions.cpp
@@ -63,6 +63,9 @@ PFNGLGETFLOATVPROC glGetFloatv;
 PFNGLDELETETEXTURESPROC glDeleteTextures;
 PFNGLGENTEXTURESPROC glGenTextures;
 PFNGLTEXPARAMETERFPROC glTexParameterf;
+PFNGLACTIVETEXTUREPROC glActiveTexture;
+PFNGLBLENDCOLORPROC glBlendColor;
+PFNGLREADBUFFERPROC glReadBuffer;
 #endif
 PFNGLCREATESHADERPROC glCreateShader;
 PFNGLCOMPILESHADERPROC glCompileShader;
@@ -185,6 +188,9 @@ void initGLFunctions()
 	GL_GET_PROC_ADR(PFNGLDELETETEXTURESPROC, glDeleteTextures);
 	GL_GET_PROC_ADR(PFNGLGENTEXTURESPROC, glGenTextures);
 	GL_GET_PROC_ADR(PFNGLTEXPARAMETERFPROC, glTexParameterf);
+	GL_GET_PROC_ADR(PFNGLACTIVETEXTUREPROC, glActiveTexture);
+	GL_GET_PROC_ADR(PFNGLBLENDCOLORPROC, glBlendColor);
+	GL_GET_PROC_ADR(PFNGLREADBUFFERPROC, glReadBuffer);
 #endif
 
 	GL_GET_PROC_ADR(PFNGLCREATESHADERPROC, glCreateShader);
diff --git a/src/Graphics/OpenGLContext/GLFunctions.h b/src/Graphics/OpenGLContext/GLFunctions.h
index 0def3b31..68de8300 100644
--- a/src/Graphics/OpenGLContext/GLFunctions.h
+++ b/src/Graphics/OpenGLContext/GLFunctions.h
@@ -8,10 +8,16 @@
 #include <winlnxdefs.h>
 #endif
 
+#ifdef EGL
+#include <GL/glcorearb.h>
+#else
 #include <GL/gl.h>
+#endif
+
 #include <GL/glext.h>
 
 #ifdef EGL
+
 extern PFNGLBLENDFUNCPROC glBlendFunc;
 extern PFNGLPIXELSTOREIPROC glPixelStorei;
 extern PFNGLCLEARCOLORPROC glClearColor;
@@ -39,12 +45,16 @@ extern PFNGLGETFLOATVPROC glGetFloatv;
 extern PFNGLDELETETEXTURESPROC glDeleteTextures;
 extern PFNGLGENTEXTURESPROC glGenTextures;
 extern PFNGLTEXPARAMETERFPROC glTexParameterf;
+extern PFNGLACTIVETEXTUREPROC glActiveTexture;
+extern PFNGLBLENDCOLORPROC glBlendColor;
+extern PFNGLREADBUFFERPROC glReadBuffer;
 #endif
 
 #ifdef OS_WINDOWS
 extern PFNGLACTIVETEXTUREPROC glActiveTexture;
 extern PFNGLBLENDCOLORPROC glBlendColor;
 #endif
+
 extern PFNGLCREATESHADERPROC glCreateShader;
 extern PFNGLCOMPILESHADERPROC glCompileShader;
 extern PFNGLSHADERSOURCEPROC glShaderSource;