nlua_canvas.h

/*
 * See Licensing and Copyright notice in naev.h
 */
#pragma once
 
#include "nlua.h"
 
#include "opengl.h"
 
#define CANVAS_METATABLE "canvas" 

typedef struct LuaCanvas_s {
   GLuint     fbo;   
   glTexture *tex;   
   GLuint     depth; 
} LuaCanvas_t;
 
/*
 * Library loading
 */
int nlua_loadCanvas( nlua_env env );
 
/* Basic operations. */
LuaCanvas_t *lua_tocanvas( lua_State *L, int ind );
LuaCanvas_t *luaL_checkcanvas( lua_State *L, int ind );
LuaCanvas_t *lua_pushcanvas( lua_State *L, LuaCanvas_t canvas );
int          lua_iscanvas( lua_State *L, int ind );
 
/*
 * Misc helpers.
 */
int  canvas_new( LuaCanvas_t *lc, int w, int h );
void canvas_reset( void );