added Windows 8.1 ANGLE support

cocos/platform/winrt/CCGL.h

@@ -26,6 +26,25 @@ THE SOFTWARE.
 #ifndef __CCGL_H__
 #define __CCGL_H__
 
+#define GL_BGRA						GL_BGRA_EXT
+#define	glClearDepth				glClearDepthf
+#define GL_WRITE_ONLY				GL_WRITE_ONLY_OES
+
+#if CC_TARGET_PLATFORM == CC_PLATFORM_WINRT && !defined(WP8_SHADER_COMPILER)
+#include "EGL/egl.h"
+#include "EGL/eglext.h"
+#include "EGL/eglplatform.h"
+#include "GLES2/gl2.h"
+#include "GLES2/gl2ext.h"
+#include "GLES3/gl3.h"
+#include "GLES3/gl3ext.h"
+
+#define glMapBuffer                 glMapBufferOES
+
+#else
 #include "CCGL_Angle.h"
+#endif
+
+
 
 #endif // __CCGL_H__

cocos/platform/winrt/CCGL_Angle.h

@@ -37,16 +37,13 @@ THE SOFTWARE.
 #include "GLES2/gl2ext.h"
 #include "winrtangle.h"
 #include "esUtil.h"
-#include "ccMacros.h"
+#include "base/ccMacros.h"
 
 #define GL_WRITE_ONLY_OES                                       0x88B9
 #define GL_BUFFER_ACCESS_OES                                    0x88BB
 #define GL_BUFFER_MAPPED_OES                                    0x88BC
 #define GL_BUFFER_MAP_POINTER_OES                               0x88BD
 
-#define GL_BGRA						GL_BGRA_EXT
-
-#define	glClearDepth				glClearDepthf
 
 
 inline void glGenVertexArrays(GLsizei n, GLuint *arrays)
@@ -77,6 +74,5 @@ inline GLboolean glUnmapBuffer(GLenum targets)
 }
 
 #define GL_DEPTH24_STENCIL8			GL_DEPTH24_STENCIL8_OES
-#define GL_WRITE_ONLY				GL_WRITE_ONLY_OES
 
 #endif // __CCGL_ANGLE_H__