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/*
* 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"
/** Resize the EGL window
*
* \param egl_window A pointer to a struct wl_egl_window
* \param width The new width
* \param height The new height
* \param dx Offset on the X axis
* \param dy Offset on the Y axis
*
* Note that applications should prefer using the wl_surface.offset request if
* the associated wl_surface has the interface version 5 or higher.
*
* If the wl_surface.offset request is used, applications MUST pass 0 to both
* dx and dy.
*/
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;
}
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