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/*
* 3d render context object
* Copyright (c) 2003-2013 by Tom Schouten <tom@zwizwa.be>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
/* the 3d render context packet: platform independent data structure
and method prototypes */
#ifndef __zl_3dcontext_h__
#define __zl_3dcontext_h__
#include <stdint.h>
#include "zl/xwindow.h"
typedef struct zl_3Dcontext
{
uint32_t encoding; /* the kind of render context */
uint32_t width; /* context width */
uint32_t height; /* context height */
uint32_t sub_width; /* portion that is currently used */
uint32_t sub_height;
union {
zl_xwindow *xwindow;
} drawable; /* context's drawable (i.e. Window, GLXPbuffer, ...) */
void *context; /* context's context object */
} zl_3Dcontext;
#define ZL_3DCONTEXT_WINDOW 1 /* window context packet id */
#define ZL_3DCONTEXT_PBUFFER 2 /* pbuf context packet id */
/* all symbols are C-style */
#ifdef __cplusplus
extern "C"
{
#endif
uint32_t zl_3Dcontext_width(zl_3Dcontext *c);
uint32_t zl_3Dcontext_height(zl_3Dcontext *c);
uint32_t zl_3Dcontext_subwidth(zl_3Dcontext *c);
uint32_t zl_3Dcontext_subheight(zl_3Dcontext *c);
float zl_3Dcontext_subaspect(zl_3Dcontext *c);
/* setters */
void zl_3Dcontext_set_subwidth(zl_3Dcontext *c, uint32_t w);
void zl_3Dcontext_set_subheight(zl_3Dcontext *c, uint32_t h);
/* render context activation and initialization */
void zl_3Dcontext_set_rendering_context(zl_3Dcontext *c);
void zl_3Dcontext_unset_rendering_context(zl_3Dcontext *c);
void zl_3Dcontext_setup_3d_context(zl_3Dcontext *c);
void zl_3Dcontext_setup_2d_context(zl_3Dcontext *c);
/* constructors */
zl_3Dcontext* zl_3Dcontext_pbuf_new(uint32_t width, uint32_t height, uint32_t depth);
zl_3Dcontext* zl_3Dcontext_win_new(void);
/* window specific methods, just return window instance? */
void zl_3Dcontext_win_resize(zl_3Dcontext *c, int width, int height);
void zl_3Dcontext_win_cursor(zl_3Dcontext *c, int toggle);
void zl_3Dcontext_for_parsed_events(zl_3Dcontext *c, zl_receiver recever, void *context);
void zl_3Dcontext_win_swapbuffers(zl_3Dcontext *c);
/* converters */
void zl_3Dcontext_snap_to_bitmap(zl_3Dcontext *c, int w, int h, void *data);
void zl_3Dcontext_free(zl_3Dcontext *c);
/* global setup */
void zl_3Dcontext_glx_setup(void);
#ifdef __cplusplus
}
#endif
#endif
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