Update openglexample

examples/opengl/gl.h

@@ -10,24 +10,33 @@
 #ifndef GL_H
 #define GL_H
 
-#define GL_GLEXT_PROTOTYPES
+#include <xcb/xcb.h>
+
+#define GL_GLEXT_PROTOTYPES 1
 #include <GL/gl.h>
 #include <GL/glext.h>
-
-#include <lvrc.h>
+#include <EGL/egl.h>
+#include <EGL/eglext.h>
 
 typedef struct {
-	unsigned int w, h;
-	EGLDisplay display;
-	EGLSurface surface;
-	EGLContext context;
+	int w, h;
+	xcb_connection_t* x_connection;
+	int x_screen;
+	xcb_window_t x_window;
+
+	EGLDisplay egl_display;
+	EGLConfig egl_config;
+	EGLContext egl_context;
+	EGLSurface egl_surface;
+
 	int is_fullscreen;
 } gl_ctx;
 
 void ortho(gl_ctx* ctx);
 void perspective(gl_ctx* ctx);
-void init_gl(gl_ctx* ctx, struct lvrcInstance * compositor);
-void draw_cube(void);
+void init_gl(gl_ctx* ctx, int w, int h);
+void draw_cube();
+GLuint compile_shader(const char* vertex, const char* fragment);
 void create_fbo(int eye_width, int eye_height, GLuint* fbo, GLuint* color_tex, GLuint* depth_tex);