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/*
* Copyright © 2011 Collabora, Ltd.
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that copyright
* notice and this permission notice appear in supporting documentation, and
* that the name of the copyright holders not be used in advertising or
* publicity pertaining to distribution of the software without specific,
* written prior permission. The copyright holders make no representations
* about the suitability of this software for any purpose. It is provided "as
* is" without express or implied warranty.
*
* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
* OF THIS SOFTWARE.
*/
#ifndef WSCREENSAVER_GLUE_H
#define WSCREENSAVER_GLUE_H
/*
* This file is glue, that tries to avoid changing glmatrix.c from the
* original too much, hopefully easing the porting of other (GL)
* xscreensaver "hacks".
*/
#include "wscreensaver.h"
#include <stdbool.h>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <time.h>
#include <math.h>
#include <assert.h>
#include <GL/gl.h>
#include <GL/glu.h>
#include "window.h"
#define ENTRYPOINT static
typedef bool Bool;
#define True true
#define False false
typedef struct ModeInfo ModeInfo;
#define MI_DISPLAY(mi) NULL
#define MI_WINDOW(mi) (mi)
#define MI_SCREEN(mi) ((mi)->instance_number)
#define MI_WIDTH(mi) ((mi)->width)
#define MI_HEIGHT(mi) ((mi)->height)
#define MI_IS_WIREFRAME(mi) 0
#define MI_NUM_SCREENS(mi) 16
typedef EGLContext GLXContext;
double frand(double f);
void clear_gl_error(void);
void check_gl_error(const char *msg);
static inline void
glXMakeCurrent(void *dummy, ModeInfo *mi, EGLContext ctx)
{
assert(mi->eglctx == ctx);
}
static inline void
glXSwapBuffers(void *dummy, ModeInfo *mi)
{
mi->swap_buffers = 1;
}
static inline void
do_fps(ModeInfo *mi)
{
}
/* just enough XImage to satisfy glmatrix.c */
typedef struct _XImage {
int width;
int height;
char *data;
int bytes_per_line;
} XImage;
XImage *xpm_to_ximage(char **xpm_data);
void XDestroyImage(XImage *xi);
static inline unsigned long
XGetPixel(XImage *xi, int x, int y)
{
return *(uint32_t *)(xi->data + xi->bytes_per_line * y + 4 * x);
}
static inline void
XPutPixel(XImage *xi, int x, int y, unsigned long pixel)
{
*(uint32_t *)(xi->data + xi->bytes_per_line * y + 4 * x) = pixel;
}
/*
* override glViewport from the plugin, so we can set it up properly
* rendering to a regular decorated Wayland window.
*/
#ifdef glViewport
#undef glViewport
#endif
#define glViewport(x,y,w,h) do {} while (0)
#endif /* WSCREENSAVER_GLUE_H */
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