| /* |
| * Copyright © 2011 Kristian Høgsberg |
| * Copyright © 2011 Benjamin Franzke |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the next |
| * paragraph) shall be included in all copies or substantial portions of the |
| * Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT |
| * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, |
| * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
| * DEALINGS IN THE SOFTWARE. |
| * |
| * Authors: |
| * Kristian Høgsberg <krh@bitplanet.net> |
| * Benjamin Franzke <benjaminfranzke@googlemail.com> |
| */ |
| |
| #include <stdlib.h> |
| #include <string.h> |
| |
| #include "wayland-egl.h" |
| #include "wayland-egl-backend.h" |
| #include "wayland-util.h" |
| |
| |
| WL_EXPORT void |
| wl_egl_window_resize(struct wl_egl_window *egl_window, |
| int width, int height, |
| int dx, int dy) |
| { |
| if (width <= 0 || height <= 0) |
| return; |
| |
| egl_window->width = width; |
| egl_window->height = height; |
| egl_window->dx = dx; |
| egl_window->dy = dy; |
| |
| if (egl_window->resize_callback) |
| egl_window->resize_callback(egl_window, egl_window->driver_private); |
| } |
| |
| WL_EXPORT struct wl_egl_window * |
| wl_egl_window_create(struct wl_surface *surface, |
| int width, int height) |
| { |
| struct wl_egl_window *egl_window; |
| |
| if (width <= 0 || height <= 0) |
| return NULL; |
| |
| egl_window = calloc(1, sizeof *egl_window); |
| if (!egl_window) |
| return NULL; |
| |
| /* Cast away the constness to set the version number. |
| * |
| * We want the const notation since it gives an explicit |
| * feedback to the backend implementation, should it try to |
| * change it. |
| * |
| * The latter in itself is not too surprising as these days APIs |
| * tend to provide bidirectional version field. |
| */ |
| intptr_t *version = (intptr_t *)&egl_window->version; |
| *version = WL_EGL_WINDOW_VERSION; |
| |
| egl_window->surface = surface; |
| |
| egl_window->width = width; |
| egl_window->height = height; |
| |
| return egl_window; |
| } |
| |
| WL_EXPORT void |
| wl_egl_window_destroy(struct wl_egl_window *egl_window) |
| { |
| if (egl_window->destroy_window_callback) |
| egl_window->destroy_window_callback(egl_window->driver_private); |
| free(egl_window); |
| } |
| |
| WL_EXPORT void |
| wl_egl_window_get_attached_size(struct wl_egl_window *egl_window, |
| int *width, int *height) |
| { |
| if (width) |
| *width = egl_window->attached_width; |
| if (height) |
| *height = egl_window->attached_height; |
| } |