Ghost Context Refactor

https://developer.blender.org/D643
Separates graphics context creation from window code in Ghost so that they can vary separately.

source/gameengine/VideoTexture/CMakeLists.txt

@@ -42,6 +42,7 @@ set(INC
 	../../blender/python/generic
 	../../../intern/container
 	../../../intern/ffmpeg
+	../../../intern/glew-mx
 	../../../intern/guardedalloc
 	../../../intern/string
 )
@@ -51,7 +52,7 @@ set(INC_SYS
 	${GLEW_INCLUDE_PATH}
 )
 
-add_definitions(-DGLEW_STATIC)
+add_definitions(${GL_DEFINITIONS})
 
 set(SRC
 	Exception.cpp

source/gameengine/VideoTexture/ImageBase.cpp

@@ -32,7 +32,7 @@
 extern "C" {
 #include "bgl.h"
 }
-#include "GL/glew.h"
+#include "glew-mx.h"
 
 #include <vector>
 #include <string.h>

source/gameengine/VideoTexture/ImageRender.cpp

@@ -36,7 +36,7 @@
 #include <math.h>
 
 
-#include "GL/glew.h"
+#include "glew-mx.h"
 
 #include "KX_PythonInit.h"
 #include "DNA_scene_types.h"

source/gameengine/VideoTexture/ImageViewport.cpp

@@ -33,7 +33,7 @@
 #include "PyObjectPlus.h"
 #include <structmember.h>
 
-#include "GL/glew.h"
+#include "glew-mx.h"
 
 #include "KX_PythonInit.h"
 #include "RAS_ICanvas.h"

source/gameengine/VideoTexture/SConscript

@@ -37,7 +37,8 @@ incs = [
     '#intern/ffmpeg',
     '#intern/guardedalloc',
     '#intern/string',
-    '#extern/glew/include',
+    env['BF_GLEW_INC'],
+    '#/intern/glew-mx',
     '#intern/moto/include',
     '#source/blender/blenkernel',
     '#source/blender/blenlib',
@@ -57,7 +58,8 @@ incs = [
     ]
 incs = ' '.join(incs)
 
-defs = ['GLEW_STATIC'] 
+defs = env['BF_GL_DEFINITIONS']
+
 if env['OURPLATFORM'] in ('win32-vc', 'win64-vc','win32-mingw', 'win64-mingw'):
     if env['BF_DEBUG']:
         defs.append('_DEBUG')

source/gameengine/VideoTexture/Texture.cpp

@@ -54,7 +54,7 @@
 #include "Exception.h"
 
 #include <memory.h>
-#include "GL/glew.h"
+#include "glew-mx.h"
 
 
 // macro for exception handling and logging