diff --git a/src/common/RefCountObject.h b/src/common/RefCountObject.h
index 4e475d8..8635aa5 100644
--- a/src/common/RefCountObject.h
+++ b/src/common/RefCountObject.h
@@ -14,8 +14,7 @@
 
 #include <cstddef>
 
-#include <GLES3/gl3.h>
-#include <GLES2/gl2.h>
+#include "angle_gl.h"
 
 #include "common/debug.h"
 
diff --git a/src/common/blocklayout.h b/src/common/blocklayout.h
index 37724e4..4ee5800 100644
--- a/src/common/blocklayout.h
+++ b/src/common/blocklayout.h
@@ -11,8 +11,7 @@
 #define COMMON_BLOCKLAYOUT_H_
 
 #include <vector>
-#include <GLES3/gl3.h>
-#include <GLES2/gl2.h>
+#include "angle_gl.h"
 #include <GLSLANG/ShaderLang.h>
 #include <cstddef>
 
diff --git a/src/common/utilities.h b/src/common/utilities.h
index 95f174c..248b1f2 100644
--- a/src/common/utilities.h
+++ b/src/common/utilities.h
@@ -9,11 +9,7 @@
 #ifndef LIBGLESV2_UTILITIES_H
 #define LIBGLESV2_UTILITIES_H
 
-#include <GLES3/gl3.h>
-#include <GLES3/gl3ext.h>
-#include <GLES2/gl2.h>
-#include <GLES2/gl2ext.h>
-
+#include "angle_gl.h"
 #include <string>
 #include <math.h>
 
diff --git a/src/compiler/translator/OutputHLSL.h b/src/compiler/translator/OutputHLSL.h
index 2c94636..4bcc82d 100644
--- a/src/compiler/translator/OutputHLSL.h
+++ b/src/compiler/translator/OutputHLSL.h
@@ -11,9 +11,7 @@
 #include <set>
 #include <map>
 
-#include <GLES3/gl3.h>
-#include <GLES2/gl2.h>
-
+#include "angle_gl.h"
 #include "compiler/translator/intermediate.h"
 #include "compiler/translator/ParseContext.h"
 #include "common/shadervars.h"
diff --git a/src/compiler/translator/UtilsHLSL.h b/src/compiler/translator/UtilsHLSL.h
index f49d4bb..aaa3ddf 100644
--- a/src/compiler/translator/UtilsHLSL.h
+++ b/src/compiler/translator/UtilsHLSL.h
@@ -13,8 +13,7 @@
 #include <vector>
 #include "compiler/translator/Types.h"
 
-#include <GLES3/gl3.h>
-#include <GLES2/gl2.h>
+#include "angle_gl.h"
 
 namespace sh
 {
diff --git a/src/compiler/translator/util.h b/src/compiler/translator/util.h
index 74dfb9b..4dbaf3c 100644
--- a/src/compiler/translator/util.h
+++ b/src/compiler/translator/util.h
@@ -8,8 +8,7 @@
 #define COMPILER_UTIL_H
 
 #include "compiler/translator/Types.h"
-#include <GLES3/gl3.h>
-#include <GLES2/gl2.h>
+#include "angle_gl.h"
 #include "common/shadervars.h"
 
 // atof_clamp is like atof but
diff --git a/src/libEGL/Config.cpp b/src/libEGL/Config.cpp
index 0b47d55..fdc41a9 100644
--- a/src/libEGL/Config.cpp
+++ b/src/libEGL/Config.cpp
@@ -13,10 +13,7 @@
 #include <algorithm>
 #include <vector>
 
-#include <GLES3/gl3.h>
-#include <GLES3/gl3ext.h>
-#include <GLES2/gl2.h>
-#include <GLES2/gl2ext.h>
+#include "angle_gl.h"
 #include <EGL/eglext.h>
 
 #include "common/debug.h"
diff --git a/src/libGLESv2/Caps.cpp b/src/libGLESv2/Caps.cpp
index 088e502..39e81dd 100644
--- a/src/libGLESv2/Caps.cpp
+++ b/src/libGLESv2/Caps.cpp
@@ -8,8 +8,7 @@
 #include "common/debug.h"
 #include "common/angleutils.h"
 
-#include <GLES2/gl2ext.h>
-#include <GLES3/gl3ext.h>
+#include "angle_gl.h"
 
 #include <algorithm>
 #include <sstream>
diff --git a/src/libGLESv2/Caps.h b/src/libGLESv2/Caps.h
index 7fd5443..04da664 100644
--- a/src/libGLESv2/Caps.h
+++ b/src/libGLESv2/Caps.h
@@ -7,8 +7,7 @@
 // found in the LICENSE file.
 //
 
-#include <GLES2/gl2.h>
-#include <GLES3/gl3.h>
+#include "angle_gl.h"
 
 #include <set>
 #include <unordered_map>
diff --git a/src/libGLESv2/Context.h b/src/libGLESv2/Context.h
index 8ecab63..cc86603 100644
--- a/src/libGLESv2/Context.h
+++ b/src/libGLESv2/Context.h
@@ -10,10 +10,7 @@
 #ifndef LIBGLESV2_CONTEXT_H_
 #define LIBGLESV2_CONTEXT_H_
 
-#include <GLES3/gl3.h>
-#include <GLES3/gl3ext.h>
-#include <GLES2/gl2.h>
-#include <GLES2/gl2ext.h>
+#include "angle_gl.h"
 #include <EGL/egl.h>
 
 #include <string>
diff --git a/src/libGLESv2/FramebufferAttachment.h b/src/libGLESv2/FramebufferAttachment.h
index d08d800..dea2995 100644
--- a/src/libGLESv2/FramebufferAttachment.h
+++ b/src/libGLESv2/FramebufferAttachment.h
@@ -10,8 +10,7 @@
 #ifndef LIBGLESV2_FRAMEBUFFERATTACHMENT_H_
 #define LIBGLESV2_FRAMEBUFFERATTACHMENT_H_
 
-#include <GLES3/gl3.h>
-#include <GLES2/gl2.h>
+#include "angle_gl.h"
 
 #include "common/angleutils.h"
 #include "common/RefCountObject.h"
diff --git a/src/libGLESv2/HandleAllocator.h b/src/libGLESv2/HandleAllocator.h
index e23010d..bbded02 100644
--- a/src/libGLESv2/HandleAllocator.h
+++ b/src/libGLESv2/HandleAllocator.h
@@ -10,8 +10,7 @@
 #ifndef LIBGLESV2_HANDLEALLOCATOR_H_
 #define LIBGLESV2_HANDLEALLOCATOR_H_
 
-#include <GLES3/gl3.h>
-#include <GLES2/gl2.h>
+#include "angle_gl.h"
 
 #include <vector>
 
diff --git a/src/libGLESv2/ProgramBinary.h b/src/libGLESv2/ProgramBinary.h
index bb63a98..aef4dad 100644
--- a/src/libGLESv2/ProgramBinary.h
+++ b/src/libGLESv2/ProgramBinary.h
@@ -10,10 +10,7 @@
 #ifndef LIBGLESV2_PROGRAM_BINARY_H_
 #define LIBGLESV2_PROGRAM_BINARY_H_
 
-#include <GLES3/gl3.h>
-#include <GLES3/gl3ext.h>
-#include <GLES2/gl2.h>
-#include <GLES2/gl2ext.h>
+#include "angle_gl.h"
 
 #include <string>
 #include <vector>
diff --git a/src/libGLESv2/Query.h b/src/libGLESv2/Query.h
index 4eb236f..a4726a8 100644
--- a/src/libGLESv2/Query.h
+++ b/src/libGLESv2/Query.h
@@ -9,8 +9,7 @@
 #ifndef LIBGLESV2_QUERY_H_
 #define LIBGLESV2_QUERY_H_
 
-#include <GLES3/gl3.h>
-#include <GLES2/gl2.h>
+#include "angle_gl.h"
 
 #include "common/angleutils.h"
 #include "common/RefCountObject.h"
diff --git a/src/libGLESv2/Renderbuffer.h b/src/libGLESv2/Renderbuffer.h
index 51c1eeb..fc4d234 100644
--- a/src/libGLESv2/Renderbuffer.h
+++ b/src/libGLESv2/Renderbuffer.h
@@ -12,8 +12,7 @@
 #ifndef LIBGLESV2_RENDERBUFFER_H_
 #define LIBGLESV2_RENDERBUFFER_H_
 
-#include <GLES3/gl3.h>
-#include <GLES2/gl2.h>
+#include "angle_gl.h"
 
 #include "common/angleutils.h"
 #include "common/RefCountObject.h"
diff --git a/src/libGLESv2/ResourceManager.h b/src/libGLESv2/ResourceManager.h
index 85e6b4b..d646c0d 100644
--- a/src/libGLESv2/ResourceManager.h
+++ b/src/libGLESv2/ResourceManager.h
@@ -10,8 +10,7 @@
 #ifndef LIBGLESV2_RESOURCEMANAGER_H_
 #define LIBGLESV2_RESOURCEMANAGER_H_
 
-#include <GLES3/gl3.h>
-#include <GLES2/gl2.h>
+#include "angle_gl.h"
 
 #include <unordered_map>
 
diff --git a/src/libGLESv2/Shader.h b/src/libGLESv2/Shader.h
index ed482e9..6b41bb7 100644
--- a/src/libGLESv2/Shader.h
+++ b/src/libGLESv2/Shader.h
@@ -12,8 +12,7 @@
 #ifndef LIBGLESV2_SHADER_H_
 #define LIBGLESV2_SHADER_H_
 
-#include <GLES3/gl3.h>
-#include <GLES2/gl2.h>
+#include "angle_gl.h"
 #include <string>
 #include <list>
 #include <vector>
diff --git a/src/libGLESv2/Texture.h b/src/libGLESv2/Texture.h
index 8a92a5e..8efa7b2 100644
--- a/src/libGLESv2/Texture.h
+++ b/src/libGLESv2/Texture.h
@@ -13,8 +13,7 @@
 
 #include <vector>
 
-#include <GLES3/gl3.h>
-#include <GLES2/gl2.h>
+#include "angle_gl.h"
 
 #include "common/debug.h"
 #include "common/RefCountObject.h"
diff --git a/src/libGLESv2/TransformFeedback.h b/src/libGLESv2/TransformFeedback.h
index 183873c..d6f4522 100644
--- a/src/libGLESv2/TransformFeedback.h
+++ b/src/libGLESv2/TransformFeedback.h
@@ -10,8 +10,7 @@
 #include "common/angleutils.h"
 #include "common/RefCountObject.h"
 
-#include <GLES3/gl3.h>
-#include <GLES2/gl2.h>
+#include "angle_gl.h"
 
 namespace gl
 {
diff --git a/src/libGLESv2/Uniform.h b/src/libGLESv2/Uniform.h
index 73e1295..9adfeac 100644
--- a/src/libGLESv2/Uniform.h
+++ b/src/libGLESv2/Uniform.h
@@ -10,8 +10,7 @@
 #include <string>
 #include <vector>
 
-#include <GLES3/gl3.h>
-#include <GLES2/gl2.h>
+#include "angle_gl.h"
 
 #include "common/debug.h"
 #include "angletypes.h"
diff --git a/src/libGLESv2/formatutils.h b/src/libGLESv2/formatutils.h
index 2a991a6..f321130 100644
--- a/src/libGLESv2/formatutils.h
+++ b/src/libGLESv2/formatutils.h
@@ -9,9 +9,7 @@
 #ifndef LIBGLESV2_FORMATUTILS_H_
 #define LIBGLESV2_FORMATUTILS_H_
 
-#include <GLES3/gl3.h>
-#include <GLES2/gl2.h>
-#include <GLES2/gl2ext.h>
+#include "angle_gl.h"
 
 #include "libGLESv2/Caps.h"
 #include "libGLESv2/angletypes.h"
diff --git a/src/libGLESv2/precompiled.h b/src/libGLESv2/precompiled.h
index 08ed564..51a13cc 100644
--- a/src/libGLESv2/precompiled.h
+++ b/src/libGLESv2/precompiled.h
@@ -6,12 +6,7 @@
 
 // precompiled.h: Precompiled header file for libGLESv2.
 
-#include <GLES3/gl3.h>
-#include <GLES3/gl3ext.h>
-#include <GLES2/gl2.h>
-
-#include <GLES2/gl2ext.h>
-
+#include "angle_gl.h"
 #include <EGL/egl.h>
 
 #include <assert.h>