diff --git a/base/logging.h b/base/logging.h
index 9433babef5..cd16386e81 100644
--- a/base/logging.h
+++ b/base/logging.h
@@ -22,7 +22,7 @@ inline void Crash() { __asm { int 3 }; }
 
 #else
 
-#if defined(ANDROID) || defined(BLACKBERRY)
+#if defined(ARM)
 #undef Crash
 
 inline void Crash() {
diff --git a/gfx/gl_common.h b/gfx/gl_common.h
new file mode 100644
index 0000000000..d96fd0533b
--- /dev/null
+++ b/gfx/gl_common.h
@@ -0,0 +1,22 @@
+#ifndef _GL_COMMON_H
+#define _GL_COMMON_H
+
+#if defined(USING_GLES2)
+#if defined(IOS)
+#include <OpenGLES/ES2/gl.h>
+#include <OpenGLES/ES2/glext.h>
+typedef char GLchar;
+#else
+#include <GLES2/gl2.h>
+#include <GLES2/gl2ext.h>
+#endif
+#else // OpenGL
+#include <GL/glew.h>
+#if defined(__APPLE__)
+#include <OpenGL/gl.h>
+#else
+#include <GL/gl.h>
+#endif
+#endif
+
+#endif //_GL_COMMON_H
diff --git a/gfx/gl_debug_log.cpp b/gfx/gl_debug_log.cpp
index 324bf7e497..e895fd81e6 100644
--- a/gfx/gl_debug_log.cpp
+++ b/gfx/gl_debug_log.cpp
@@ -1,16 +1,4 @@
-#if defined(ANDROID) || defined(BLACKBERRY)
-#include <GLES2/gl2.h>
-#include <GLES2/gl2ext.h>
-typedef char GLchar;
-#else
-#include <GL/glew.h>
-#if defined(__APPLE__)
-#include <OpenGL/gl.h>
-#else
-#include <GL/gl.h>
-#endif
-#endif
-
+#include "gfx/gl_common.h"
 #include "base/logging.h"
 
 void glCheckzor(const char *file, int line) {
@@ -20,7 +8,7 @@ void glCheckzor(const char *file, int line) {
 	}
 }
 
-#if !defined(ANDROID) && !defined(BLACKBERRY)
+#if !defined(USING_GLES2)
 #if 0
 void log_callback(GLenum source, GLenum type,
 	GLuint id,
@@ -56,7 +44,7 @@ void log_callback(GLenum source, GLenum type,
 #endif
 
 void gl_log_enable() {
-#if !defined(ANDROID) && !defined(BLACKBERRY)
+#if !defined(USING_GLES2)
 #if 0
 	glEnable(DEBUG_OUTPUT_SYNCHRONOUS_ARB);	// TODO: Look into disabling, for more perf
 	glDebugMessageCallback(&log_callback, 0);
diff --git a/gfx/gl_debug_log.h b/gfx/gl_debug_log.h
index cb2cd12f7e..411f55668d 100644
--- a/gfx/gl_debug_log.h
+++ b/gfx/gl_debug_log.h
@@ -6,7 +6,7 @@
 
 void gl_log_enable();
 
-#if !defined(ANDROID) && !defined(BLACKBERRY)
+#if !defined(USING_GLES2)
 //#define DEBUG_OPENGL
 #endif
 
diff --git a/gfx/texture.cpp b/gfx/texture.cpp
index 24e8079dfb..79b9736926 100644
--- a/gfx/texture.cpp
+++ b/gfx/texture.cpp
@@ -1,30 +1,19 @@
-#if defined(ANDROID) || defined(BLACKBERRY)
-#include <GLES2/gl2.h>
-#include <GLES2/gl2ext.h>
-#else
-#include <GL/glew.h>
-#if defined(__APPLE__)
-#include <OpenGL/gl.h>
-#else
-#include <GL/gl.h>
-#endif
-#endif
-
 #include <string.h>
 #include <stdio.h>
 #include <stdlib.h>
 
-#if !defined(ANDROID) && !defined(BLACKBERRY)
+#if !defined(USING_GLES2)
 #include "image/png_load.h"
 #include "ext/etcpack/etcdec.h"
 #endif
 
 #include "image/zim_load.h"
 #include "base/logging.h"
-#include "texture.h"
+#include "gfx/texture.h"
 #include "gfx/texture_gen.h"
 #include "gfx/gl_debug_log.h"
 #include "gfx/gl_lost_manager.h"
+#include "gfx/gl_common.h"
 
 Texture::Texture() : id_(0) {
 	register_gl_resource_holder(this);
@@ -76,7 +65,7 @@ bool Texture::Load(const char *filename) {
 		glBindTexture(GL_TEXTURE_2D, id_);
 		if (bpp == 1) {
 
-#if defined(ANDROID) || defined(BLACKBERRY)
+#if defined(USING_GLES2)
 			glTexImage2D(GL_TEXTURE_2D, 0, GL_LUMINANCE, w, h, 0, GL_LUMINANCE, GL_UNSIGNED_BYTE, data);
 #else
 			glTexImage2D(GL_TEXTURE_2D, 0, 1, w, h, 0, GL_LUMINANCE, GL_UNSIGNED_BYTE, data);
@@ -118,7 +107,7 @@ bool Texture::Load(const char *filename) {
 	const char *name = fn;
 	if (zim && 0==memcmp(name, "Media/textures/", strlen("Media/textures"))) name += strlen("Media/textures/");
 	len = strlen(name);
-#if !defined(ANDROID) && !defined(BLACKBERRY)
+#if !defined(USING_GLES2)
 	if (!strcmp("png", &name[len-3]) ||
 		!strcmp("PNG", &name[len-3])) {
 			if (!LoadPNG(fn)) {
@@ -141,7 +130,7 @@ bool Texture::Load(const char *filename) {
 	return false;
 }
 
-#if !defined(ANDROID) && !defined(BLACKBERRY)
+#if !defined(USING_GLES2)
 bool Texture::LoadPNG(const char *filename) {
 	unsigned char *image_data;
 	if (1 != pngLoad(filename, &width_, &height_, &image_data, false)) {
@@ -184,7 +173,7 @@ bool Texture::LoadXOR() {
 }
 
 
-#if !defined(ANDROID) && !defined(BLACKBERRY)
+#if !defined(USING_GLES2)
 
 // Allocates using new[], doesn't free.
 uint8_t *ETC1ToRGBA(uint8_t *etc1, int width, int height) {
@@ -244,7 +233,7 @@ bool Texture::LoadZIM(const char *filename) {
 			int data_h = height[l];
 			if (data_w < 4) data_w = 4;
 			if (data_h < 4) data_h = 4;
-#if defined(ANDROID) || defined(BLACKBERRY)
+#if defined(USING_GLES2)
 			int compressed_image_bytes = data_w * data_h / 2;
 			glCompressedTexImage2D(GL_TEXTURE_2D, l, GL_ETC1_RGB8_OES, width[l], height[l], 0, compressed_image_bytes, image_data[l]);
 			GL_CHECK();
@@ -255,7 +244,7 @@ bool Texture::LoadZIM(const char *filename) {
 #endif
 		}
 		GL_CHECK();
-#if !defined(ANDROID) && !defined(BLACKBERRY)
+#if !defined(USING_GLES2)
 		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, num_levels - 2);
 #endif
 	} else {
diff --git a/gfx/texture.h b/gfx/texture.h
index 1823c49494..65479f76a8 100644
--- a/gfx/texture.h
+++ b/gfx/texture.h
@@ -14,7 +14,7 @@ public:
 	~Texture();
 
 	bool LoadZIM(const char *filename);
-#if !defined(ANDROID) && !defined(BLACKBERRY)
+#if !defined(USING_GLES2)
 	bool LoadPNG(const char *filename);
 #endif
 	bool LoadXOR();	// Loads a placeholder texture.
diff --git a/gfx/texture_dx11.cpp b/gfx/texture_dx11.cpp
index a6ef42a750..5737aba3ca 100644
--- a/gfx/texture_dx11.cpp
+++ b/gfx/texture_dx11.cpp
@@ -1,23 +1,18 @@
 // WIP, please ignore
-
-
-
-#include "gfx/texture.h"
-
 #include <d3d11_1.h>
 
 #include <string.h>
 #include <stdio.h>
 #include <stdlib.h>
 
-#if !defined(ANDROID) && !defined(BLACKBERRY)
+#if !defined(USING_GLES2)
 #include "image/png_load.h"
 #include "ext/etcpack/etcdec.h"
 #endif
 
 #include "image/zim_load.h"
 #include "base/logging.h"
-#include "texture.h"
+#include "gfx/texture.h"
 #include "gfx/texture_gen.h"
 #include "gfx/gl_debug_log.h"
 #include "gfx/gl_lost_manager.h"
@@ -98,7 +93,7 @@ bool Texture::Load(const char *filename) {
 	const char *name = fn;
 	if (zim && 0 == memcmp(name, "Media/textures/", strlen("Media/textures"))) name += strlen("Media/textures/");
 	len = strlen(name);
-	#if !defined(ANDROID) && !defined(BLACKBERRY)
+	#if !defined(USING_GLES2)
 	if (!strcmp("png", &name[len-3]) ||
 			!strcmp("PNG", &name[len-3])) {
 		if (!LoadPNG(fn)) {
@@ -122,7 +117,7 @@ bool Texture::Load(const char *filename) {
 }
 
 #ifndef METRO
-#if !defined(ANDROID) && !defined(BLACKBERRY)
+#if !defined(USING_GLES2)
 bool Texture::LoadPNG(const char *filename) {
 	unsigned char *image_data;
 	if (1 != pngLoad(filename, &width_, &height_, &image_data, false)) {
@@ -176,7 +171,7 @@ bool Texture::LoadXOR() {
 }
 
 
-#if !defined(ANDROID) && !defined(BLACKBERRY)
+#if !defined(USING_GLES2)
 
 // Allocates using new[], doesn't free.
 uint8_t *ETC1ToRGBA(uint8_t *etc1, int width, int height) {
@@ -236,7 +231,7 @@ bool Texture::LoadZIM(const char *filename) {
 			int data_h = height[l];
 			if (data_w < 4) data_w = 4;
 			if (data_h < 4) data_h = 4;
-#if defined(ANDROID) || defined(BLACKBERRY)
+#if defined(USING_GLES2)
 			int compressed_image_bytes = data_w * data_h / 2;
 			glCompressedTexImage2D(GL_TEXTURE_2D, l, GL_ETC1_RGB8_OES, width[l], height[l], 0, compressed_image_bytes, image_data[l]);
 			GL_CHECK();
@@ -247,7 +242,7 @@ bool Texture::LoadZIM(const char *filename) {
 #endif
 		}
 		GL_CHECK();
-#if !defined(ANDROID) && !defined(BLACKBERRY)
+#if !defined(USING_GLES2)
 		//glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_LEVEL, num_levels - 2);
 #endif
 	} else {
diff --git a/gfx_es2/draw_buffer.cpp b/gfx_es2/draw_buffer.cpp
index b00d937d77..59db3ec0f2 100644
--- a/gfx_es2/draw_buffer.cpp
+++ b/gfx_es2/draw_buffer.cpp
@@ -1,15 +1,3 @@
-#if defined(ANDROID) || defined(BLACKBERRY)
-#include <GLES2/gl2.h>
-#include <GLES2/gl2ext.h>
-#else
-#include <GL/glew.h>
-#if defined(__APPLE__)
-#include <OpenGL/gl.h>
-#else
-#include <GL/gl.h>
-#endif
-#endif
-
 #include <algorithm>
 #include <cmath>
 
@@ -21,6 +9,7 @@
 #include "gfx_es2/gl_state.h"
 #include "gfx/texture_atlas.h"
 #include "gfx/gl_debug_log.h"
+#include "gfx/gl_common.h"
 
 enum {
   // Enough?
diff --git a/gfx_es2/fbo.cpp b/gfx_es2/fbo.cpp
index e28b003f6a..8a0517e0c4 100644
--- a/gfx_es2/fbo.cpp
+++ b/gfx_es2/fbo.cpp
@@ -1,29 +1,16 @@
-#if defined(ANDROID) || defined(BLACKBERRY)
-#include <GLES2/gl2.h>
-#include <GLES2/gl2ext.h>
+#include <string.h>
+
+#include "base/logging.h"
+#include "gfx_es2/fbo.h"
+#include "gfx/gl_common.h"
+
+#if defined(USING_GLES2)
 #define GL_READ_FRAMEBUFFER GL_FRAMEBUFFER
 #define GL_DRAW_FRAMEBUFFER GL_FRAMEBUFFER
 #define GL_RGBA8 GL_RGBA
 #ifndef GL_DEPTH_COMPONENT24
 #define GL_DEPTH_COMPONENT24 GL_DEPTH_COMPONENT24_OES
 #endif
-#else
-#include <GL/glew.h>
-#if defined(__APPLE__)
-#include <OpenGL/gl.h>
-#else
-#include <GL/gl.h>
-#endif
-#endif
-
-#include <string.h>
-
-#include "base/logging.h"
-#include "gfx_es2/fbo.h"
-
-// TODO: Move out
-#if defined(ANDROID) || defined(BLACKBERRY)
-#define GLES
 #endif
 
 // TODO: Breakout this GL extension checker in its own file.
@@ -94,7 +81,7 @@ FBO *fbo_create(int width, int height, int num_color_textures, bool z_stencil) {
 	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
 	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
 
-#ifdef GLES
+#ifdef USING_GLES2
 	if (gl_extensions.OES_packed_depth_stencil) {
 		ILOG("Creating FBO using DEPTH24_STENCIL8");
 		// Standard method
diff --git a/gfx_es2/gl_state.h b/gfx_es2/gl_state.h
index 7ed4ae3460..f6b36e4b9b 100644
--- a/gfx_es2/gl_state.h
+++ b/gfx_es2/gl_state.h
@@ -1,18 +1,8 @@
 #pragma once
 
-#if defined(ANDROID) || defined(BLACKBERRY)
-#include <GLES2/gl2.h>
-#include <GLES2/gl2ext.h>
-#else
-#include <GL/glew.h>
-#if defined(__APPLE__)
-#include <OpenGL/gl.h>
-#else
-#include <GL/gl.h>
-#endif
-#endif
 #include <functional>
 #include <string.h>
+#include "gfx/gl_common.h"
 
 
 // OpenGL state cache. Should convert all code to use this instead of directly calling glEnable etc,
@@ -128,7 +118,7 @@ public:
 
 	BoolState<GL_DEPTH_TEST, false> depthTest;
 	STATE1(glDepthFunc, GLenum, GL_LESS) depthFunc;
-#if defined(ANDROID) || defined(BLACKBERRY)
+#if defined(USING_GLES2)
 	STATE2(glDepthRangef, float, float, 0.f, 1.f) depthRange;
 #else
 	STATE2(glDepthRange, double, double, 0.0, 1.0) depthRange;
diff --git a/gfx_es2/glsl_program.cpp b/gfx_es2/glsl_program.cpp
index 2f7ecf8b1f..21483470a3 100644
--- a/gfx_es2/glsl_program.cpp
+++ b/gfx_es2/glsl_program.cpp
@@ -1,16 +1,3 @@
-#if defined(ANDROID) || defined(BLACKBERRY)
-#include <GLES2/gl2.h>
-#include <GLES2/gl2ext.h>
-typedef char GLchar;
-#else
-#include <GL/glew.h>
-#if defined(__APPLE__)
-#include <OpenGL/gl.h>
-#else
-#include <GL/gl.h>
-#endif
-#endif
-
 #include <set>
 
 #include <stdio.h>
@@ -19,7 +6,7 @@ typedef char GLchar;
 
 #include "base/logging.h"
 #include "file/vfs.h"
-#include "gfx_es2/glsl_program.h"
+#include "glsl_program.h"
 
 static std::set<GLSLProgram *> active_programs;
 
@@ -37,7 +24,7 @@ bool CompileShader(const char *source, GLuint shader, const char *filename) {
 		ELOG("Error in shader compilation of %s!\n", filename);
 		ELOG("Info log: %s\n", infoLog);
 		ELOG("Shader source:\n%s\n", (const char *)source);
-#if defined(ANDROID) || defined(BLACKBERRY)
+#if defined(ARM)
 		exit(1);
 #endif
 		return false;
diff --git a/gfx_es2/glsl_program.h b/gfx_es2/glsl_program.h
index 18fa819fc8..f2417d40a3 100644
--- a/gfx_es2/glsl_program.h
+++ b/gfx_es2/glsl_program.h
@@ -4,22 +4,11 @@
 #ifndef _RENDER_UTIL
 #define _RENDER_UTIL
 
-#if defined(ANDROID) || defined(BLACKBERRY)
-#include <GLES2/gl2.h>
-#include <GLES2/gl2ext.h>
-#else
-#include <GL/glew.h>
-#if defined(__APPLE__)
-#include <OpenGL/gl.h>
-#else
-#include <GL/gl.h>
-#endif
-#endif
-
 #include <map>
 #include <time.h>
 
 #include "gfx/gl_lost_manager.h"
+#include "gfx/gl_common.h"
 
 // Represent a compiled and linked vshader/fshader pair.
 // A just-constructed object is valid but cannot be used as a shader program, meaning that
diff --git a/math/math_util.cpp b/math/math_util.cpp
index 70ecede4da..bab216b95f 100644
--- a/math/math_util.cpp
+++ b/math/math_util.cpp
@@ -17,7 +17,7 @@ unsigned int GenerateRandomNumber() {
 
 #include <math.h>
 
-#if defined(ANDROID) || defined(BLACKBERRY)
+#if defined(ARM)
 
 void EnableFZ()
 {