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