src/egl/wayland/wayland-egl/wayland-egl.c

   1 /*
   2  * Copyright © 2011 Kristian Høgsberg
   3  * Copyright © 2011 Benjamin Franzke
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the "Software"),
   7  * to deal in the Software without restriction, including without limitation
   8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   9  * and/or sell copies of the Software, and to permit persons to whom the
  10  * Software is furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice (including the next
  13  * paragraph) shall be included in all copies or substantial portions of the
  14  * Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  17  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  18  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  19  * NONINFRINGEMENT.  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
  20  * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  21  * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  22  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  23  * DEALINGS IN THE SOFTWARE.
  24  *
  25  * Authors:
  26  *    Kristian Høgsberg <krh@bitplanet.net>
  27  *    Benjamin Franzke <benjaminfranzke@googlemail.com>
  28  */
  29
  30 #include <stdlib.h>
  31
  32 #include <wayland-client.h>
  33 #include "wayland-egl.h"
  34 #include "wayland-egl-priv.h"
  35
  36 WL_EGL_EXPORT void
  37 wl_egl_window_resize(struct wl_egl_window *egl_window,
  38                      int width, int height,
  39                      int dx, int dy)
  40 {
  41         if (width <= 0 || height <= 0)
  42                 return;
  43
  44         egl_window->width  = width;
  45         egl_window->height = height;
  46         egl_window->dx     = dx;
  47         egl_window->dy     = dy;
  48
  49         if (egl_window->resize_callback)
  50                 egl_window->resize_callback(egl_window, egl_window->private);
  51 }
  52
  53 WL_EGL_EXPORT struct wl_egl_window *
  54 wl_egl_window_create(struct wl_surface *surface,
  55                      int width, int height)
  56 {
  57         struct wl_egl_window *egl_window;
  58
  59         if (width <= 0 || height <= 0)
  60                 return NULL;
  61
  62         egl_window = malloc(sizeof *egl_window);
  63         if (!egl_window)
  64                 return NULL;
  65
  66         egl_window->surface = surface;
  67         egl_window->private = NULL;
  68         egl_window->resize_callback = NULL;
  69         wl_egl_window_resize(egl_window, width, height, 0, 0);
  70         egl_window->attached_width  = 0;
  71         egl_window->attached_height = 0;
  72
  73         return egl_window;
  74 }
  75
  76 WL_EGL_EXPORT void
  77 wl_egl_window_destroy(struct wl_egl_window *egl_window)
  78 {
  79         free(egl_window);
  80 }
  81
  82 WL_EGL_EXPORT void
  83 wl_egl_window_get_attached_size(struct wl_egl_window *egl_window,
  84                                 int *width, int *height)
  85 {
  86         if (width)
  87                 *width = egl_window->attached_width;
  88         if (height)
  89                 *height = egl_window->attached_height;
  90 }