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#ifndef _ZL_GLX_H_
#define _ZL_GLX_H_
/*
* Pure Data Packet header file: glx glue code
* Copyright (c) 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.
*
*/
// x stuff
#define GLX_GLXEXT_PROTOTYPES
#include "zl/xwindow.h"
#include <string.h>
#include <stdbool.h>
#include <GL/gl.h>
#include <GL/glx.h>
#include <GL/glu.h>
// does not work on Darwin
//#include <GL/glxext.h>
/* glx class */
typedef struct zl_glx {
zl_xdisplay_p xdpy; //mother display object
int initialized;
/* texture */
XVisualInfo *vis_info;
GLXContext glx_context;
GLuint texture;
GLsizei tex_width;
GLsizei tex_height;
GLuint format;
/* image */
void *data;
int image_width;
int image_height;
} zl_glx, *zl_glx_p;
/* cons */
void zl_glx_init(zl_glx *x);
zl_glx *zl_glx_new(void);
/* des */
void zl_glx_cleanup(zl_glx* x);
void zl_glx_free(zl_glx* x);
/* Open an opengl context.
Call this before zl_xwindow_config() */
int zl_glx_open_on_display(zl_glx *x, zl_xwindow_p w, zl_xdisplay_p d);
/* close an opengl context */
void zl_glx_close(zl_glx* x);
/* display a packet */
//void zl_glx_display_packet(zl_glx *x, xwindow *xwin, pf_packet_t packet);
/* get texture data buffer */
void *zl_glx_image_data(zl_glx *x, zl_xwindow_p xwin,
unsigned int width, unsigned int height);
/* display the texture */
void zl_glx_image_display(zl_glx *x, zl_xwindow_p xwin);
/* call an OpenGL rendering function */
void zl_glx_2d_display(zl_glx *x, zl_xwindow_p xwin,
void (*draw)(void*,int,int), void *ctx);
/* opengl specific stuff*/
void zl_glx_swapbuffers(zl_glx *x, zl_xwindow_p xwin);
void zl_glx_makecurrent(zl_glx *x, zl_xwindow_p xwin);
void zl_glx_vsync(zl_glx *x, bool sync);
/* opengl sync module
this uses GLX_SGI_video_sync to sync to retrace
*/
//typedef struct {
// xdisplay *xdpy;
// Window dummy_window;
// GLXContext context;
//} glx_sync_t;
// glx_sync_t *glx_sync_new(void);
// oid glx_sync_free(glx_sync_t *x);
// void glx_sync_wait(glx_sync_t *x);
// int glx_sync_open_on_display(glx_sync_t *x, xdisplay *xdpy);
#endif
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