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wayland-egl: import libwayland-egl.so frontend library from Mesa

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Currently the client-facing libwayland-egl API is defined by a header
file shipped by Wayland, but the implementation is left to each vendor.

This can cause collisions when multiple implementations are installed on
the same system. Importing the implementation into Wayland with a stable
and versioned driver-facing ABI allows multiple drivers to coexist on
the same system.

Pull the sample implementation from Mesa commit 677edff5cfd
("wayland-egl: rework and simplify wl_egl_window initialization")
It has been used by the Mesa open source drivers, NVIDIA and others[1].

v2: Reword commit message, rebase on top of newer Mesa.

[1] https://github.com/thayama/wayland-egl

Cc: Miguel A. Vico <mvicomoya@nvidia.com>
Cc: James Jones <jajones@nvidia.com>
Cc: Daniel Stone <daniels@collabora.com>
Cc: duncan-roe <duncan_roe@optusnet.com.au>
Cc: Takanari Hayama <taki@igel.co.jp>
Suggested-by: Daniel Stone <daniels@collabora.com>
Signed-off-by: Emil Velikov <emil.velikov@collabora.com>
Reviewed-by: Miguel A Vico Moya <mvicomoya@nvidia.com>
Reviewed-by: Arnaud Vrac <avrac@freebox.fr>
This commit is contained in:
Emil Velikov 2017-10-10 14:43:43 +01:00 • committed by Daniel Stone
parent 0fa3474be3
commit 549a5ea710
5 changed files with 434 additions and 0 deletions
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63
egl/wayland-egl-backend.h Normal file
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/*
* 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:
* Benjamin Franzke <benjaminfranzke@googlemail.com>
*/
#ifndef _WAYLAND_EGL_PRIV_H
#define _WAYLAND_EGL_PRIV_H
#include <stdint.h>
#ifdef __cplusplus
extern "C" {
#endif
#define WL_EGL_WINDOW_VERSION 3
struct wl_surface;
struct wl_egl_window {
const intptr_t version;
int width;
int height;
int dx;
int dy;
int attached_width;
int attached_height;
void *private;
void (*resize_callback)(struct wl_egl_window *, void *);
void (*destroy_window_callback)(void *);
struct wl_surface *surface;
};
#ifdef __cplusplus
}
#endif
#endif