include/rays/opengl.h in rays-0.1.6 vs include/rays/opengl.h in rays-0.1.7

@@ -2,14 +2,67 @@
 #pragma once
 #ifndef __RAYS_GL_H__
 #define __RAYS_GL_H__
 
 
-#if defined(COCOA)
+#if defined(OSX)
 	#include <OpenGL/gl.h>
+	#include <OpenGL/glext.h>
+#elif defined(IOS)
+	#include <OpenGLES/ES1/gl.h>
+	#include <OpenGLES/ES1/glext.h>
 #elif defined(WIN32)
 	#include <GL/gl.h>
 	#include <GL/glext.h>
 #endif
+
+
+namespace Rays
+{
+
+
+	GLenum get_error ();
+
+	bool no_error ();
+
+	bool is_error (GLenum err);
+
+	void check_error(const char* file, int line);
+
+	void clear_error ();
+
+
+	void init_offscreen_context ();
+
+
+}// Rays
+
+
+#ifdef IOS
+
+	#define glGenFramebuffers        glGenFramebuffersOES
+	#define glGenRenderbuffers       glGenRenderbuffersOES
+	#define glDeleteFramebuffers     glDeleteFramebuffersOES
+	#define glDeleteRenderbuffers    glDeleteRenderbuffersOES
+	#define glBindFramebuffer        glBindFramebufferOES
+	#define glBindRenderbuffer       glBindRenderbufferOES
+	#define glCheckFramebufferStatus glCheckFramebufferStatusOES
+	#define glFramebufferTexture2D   glFramebufferTexture2DOES
+	#define glRenderbufferStorage    glRenderbufferStorageOES
+	#define glOrtho                  glOrthox
+
+	#define GL_UNSIGNED_INT             GL_UNSIGNED_INT_OES
+	#define GL_FRAMEBUFFER              GL_FRAMEBUFFER_OES
+	#define GL_RENDERBUFFER             GL_RENDERBUFFER_OES
+	#define GL_DRAW_FRAMEBUFFER         GL_DRAW_FRAMEBUFFER_APPLE
+	#define GL_READ_FRAMEBUFFER         GL_READ_FRAMEBUFFER_APPLE
+	#define GL_DRAW_FRAMEBUFFER_BINDING GL_DRAW_FRAMEBUFFER_BINDING_APPLE
+	#define GL_READ_FRAMEBUFFER_BINDING GL_READ_FRAMEBUFFER_BINDING_APPLE
+	#define GL_COLOR_ATTACHMENT0        GL_COLOR_ATTACHMENT0_OES
+	#define GL_DEPTH_ATTACHMENT         GL_DEPTH_ATTACHMENT_OES
+	#define GL_DEPTH_COMPONENT24        GL_DEPTH_COMPONENT24_OES
+	#define GL_FRAMEBUFFER_COMPLETE     GL_FRAMEBUFFER_COMPLETE_OES
+
+#endif// IOS
 
 
 #endif//EOH