122 lines
3.0 KiB
C
122 lines
3.0 KiB
C
/*
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* Copyright © 2011 Collabora, Ltd.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE 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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