weston/shared/platform.h
Jonny Lamb 51a7ae5f89 clients & tests: use eglGetPlatformDisplayEXT when supported
Reviewed-by: Derek Foreman <derekf@osg.samsung.com>
Reviewed-by: Bryce Harrington <bryce@osg.samsung.com>
2015-03-20 13:56:38 -07:00

80 lines
2.4 KiB
C

/*
* Copyright © 2015 Collabora, Ltd.
*
* Permission to use, copy, modify, distribute, and sell this software and
* its documentation for any purpose is hereby granted without fee, provided
* that the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of the copyright holders not be used in
* advertising or publicity pertaining to distribution of the software
* without specific, written prior permission. The copyright holders make
* no representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied warranty.
*
* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
* SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
* SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
* RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
* CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef WESTON_PLATFORM_H
#define WESTON_PLATFORM_H
#include <string.h>
#include <EGL/egl.h>
#include <EGL/eglext.h>
#ifdef __cplusplus
extern "C" {
#endif
#ifdef EGL_EXT_platform_base
static PFNEGLGETPLATFORMDISPLAYEXTPROC get_platform_display_ext = NULL;
#ifndef EGL_PLATFORM_WAYLAND_KHR
#define EGL_PLATFORM_WAYLAND_KHR 0x31D8
#endif
#endif /* EGL_EXT_platform_base */
static inline void
weston_platform_get_egl_proc_addresses(void)
{
#ifdef EGL_EXT_platform_base
if (!get_platform_display_ext) {
const char *extensions = eglQueryString(EGL_NO_DISPLAY, EGL_EXTENSIONS);
if (strstr(extensions, "EGL_EXT_platform_wayland")
|| strstr(extensions, "EGL_KHR_platform_wayland")) {
get_platform_display_ext =
(void *) eglGetProcAddress("eglGetPlatformDisplayEXT");
}
}
#endif
}
static inline EGLDisplay
weston_platform_get_egl_display(EGLenum platform, void *native_display,
const EGLint *attrib_list)
{
#ifdef EGL_EXT_platform_base
if (!get_platform_display_ext)
weston_platform_get_egl_proc_addresses();
if (get_platform_display_ext)
return get_platform_display_ext(platform,
native_display, attrib_list);
else
#endif
return eglGetDisplay((EGLNativeDisplayType) native_display);
}
#ifdef __cplusplus
}
#endif
#endif /* WESTON_PLATFORM_H */