-/*
- * Copyright (c) 2017, NVIDIA CORPORATION. All rights reserved.
- *
- * 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 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.
- */
-
-#include <stddef.h> /* offsetof */
-#include <stdio.h> /* printf */
-
-#include "wayland-egl-backend.h" /* Current struct wl_egl_window implementation */
-
-/*
- * Following are previous implementations of wl_egl_window.
- *
- * DO NOT EVER CHANGE!
- */
-
-/* From: 214fc6e850 - Benjamin Franzke : egl: Implement libwayland-egl */
-struct wl_egl_window_v0 {
- struct wl_surface *surface;
-
- int width;
- int height;
- int dx;
- int dy;
-
- int attached_width;
- int attached_height;
-};
-
-/* From: ca3ed3e024 - Ander Conselvan de Oliveira : egl/wayland: Don't invalidate drawable on swap buffers */
-struct wl_egl_window_v1 {
- struct wl_surface *surface;
-
- int width;
- int height;
- int dx;
- int dy;
-
- int attached_width;
- int attached_height;
-
- void *private;
- void (*resize_callback)(struct wl_egl_window *, void *);
-};
-
-/* From: 690ead4a13 - Stencel, Joanna : egl/wayland-egl: Fix for segfault in dri2_wl_destroy_surface. */
-#define WL_EGL_WINDOW_VERSION_v2 2
-struct wl_egl_window_v2 {
- struct wl_surface *surface;
-
- 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 *);
-};
-
-/* From: 2d5d61bc49 - Miguel A. Vico : wayland-egl: Make wl_egl_window a versioned struct */
-#define WL_EGL_WINDOW_VERSION_v3 3
-struct wl_egl_window_v3 {
- 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;
-};
-
-
-/* This program checks we keep a backwards-compatible struct wl_egl_window
- * definition whenever it is modified in wayland-egl-backend.h.
- *
- * The previous definition should be added above as a new struct
- * wl_egl_window_vN, and the appropriate checks should be added below
- */
-
-#define MEMBER_SIZE(type, member) sizeof(((type *)0)->member)
-
-#define CHECK_RENAMED_MEMBER(a_ver, b_ver, a_member, b_member) \
- do { \
- if (offsetof(struct wl_egl_window ## a_ver, a_member) != \
- offsetof(struct wl_egl_window ## b_ver, b_member)) { \
- printf("Backards incompatible change detected!\n " \
- "offsetof(struct wl_egl_window" #a_ver "::" #a_member ") != " \
- "offsetof(struct wl_egl_window" #b_ver "::" #b_member ")\n"); \
- return 1; \
- } \
- \
- if (MEMBER_SIZE(struct wl_egl_window ## a_ver, a_member) != \
- MEMBER_SIZE(struct wl_egl_window ## b_ver, b_member)) { \
- printf("Backards incompatible change detected!\n " \
- "MEMBER_SIZE(struct wl_egl_window" #a_ver "::" #a_member ") != " \
- "MEMBER_SIZE(struct wl_egl_window" #b_ver "::" #b_member ")\n"); \
- return 1; \
- } \
- } while (0)
-
-#define CHECK_MEMBER(a_ver, b_ver, member) CHECK_RENAMED_MEMBER(a_ver, b_ver, member, member)
-#define CHECK_MEMBER_CURRENT(a_ver, member) CHECK_MEMBER(a_ver,, member)
-
-#define CHECK_SIZE(a_ver, b_ver) \
- do { \
- if (sizeof(struct wl_egl_window ## a_ver) > \
- sizeof(struct wl_egl_window ## b_ver)) { \
- printf("Backards incompatible change detected!\n " \
- "sizeof(struct wl_egl_window" #a_ver ") > " \
- "sizeof(struct wl_egl_window" #b_ver ")\n"); \
- return 1; \
- } \
- } while (0)
-
-#define CHECK_SIZE_CURRENT(a_ver) \
- do { \
- if (sizeof(struct wl_egl_window ## a_ver) != \
- sizeof(struct wl_egl_window)) { \
- printf("Backards incompatible change detected!\n " \
- "sizeof(struct wl_egl_window" #a_ver ") != " \
- "sizeof(struct wl_egl_window)\n"); \
- return 1; \
- } \
- } while (0)
-
-#define CHECK_VERSION(a_ver, b_ver) \
- do { \
- if ((WL_EGL_WINDOW_VERSION ## a_ver) >= \
- (WL_EGL_WINDOW_VERSION ## b_ver)) { \
- printf("Backards incompatible change detected!\n " \
- "WL_EGL_WINDOW_VERSION" #a_ver " >= " \
- "WL_EGL_WINDOW_VERSION" #b_ver "\n"); \
- return 1; \
- } \
- } while (0)
-
-#define CHECK_VERSION_CURRENT(a_ver) \
- do { \
- if ((WL_EGL_WINDOW_VERSION ## a_ver) != \
- (WL_EGL_WINDOW_VERSION)) { \
- printf("Backards incompatible change detected!\n " \
- "WL_EGL_WINDOW_VERSION" #a_ver " != " \
- "WL_EGL_WINDOW_VERSION\n"); \
- return 1; \
- } \
- } while (0)
-
-int main(int argc, char **argv)
-{
- /* Check wl_egl_window_v1 ABI against wl_egl_window_v0 */
- CHECK_MEMBER(_v0, _v1, surface);
- CHECK_MEMBER(_v0, _v1, width);
- CHECK_MEMBER(_v0, _v1, height);
- CHECK_MEMBER(_v0, _v1, dx);
- CHECK_MEMBER(_v0, _v1, dy);
- CHECK_MEMBER(_v0, _v1, attached_width);
- CHECK_MEMBER(_v0, _v1, attached_height);
-
- CHECK_SIZE(_v0, _v1);
-
- /* Check wl_egl_window_v2 ABI against wl_egl_window_v1 */
- CHECK_MEMBER(_v1, _v2, surface);
- CHECK_MEMBER(_v1, _v2, width);
- CHECK_MEMBER(_v1, _v2, height);
- CHECK_MEMBER(_v1, _v2, dx);
- CHECK_MEMBER(_v1, _v2, dy);
- CHECK_MEMBER(_v1, _v2, attached_width);
- CHECK_MEMBER(_v1, _v2, attached_height);
- CHECK_MEMBER(_v1, _v2, private);
- CHECK_MEMBER(_v1, _v2, resize_callback);
-
- CHECK_SIZE(_v1, _v2);
-
- /* Check wl_egl_window_v3 ABI against wl_egl_window_v2 */
- CHECK_RENAMED_MEMBER(_v2, _v3, surface, version);
- CHECK_MEMBER (_v2, _v3, width);
- CHECK_MEMBER (_v2, _v3, height);
- CHECK_MEMBER (_v2, _v3, dx);
- CHECK_MEMBER (_v2, _v3, dy);
- CHECK_MEMBER (_v2, _v3, attached_width);
- CHECK_MEMBER (_v2, _v3, attached_height);
- CHECK_MEMBER (_v2, _v3, private);
- CHECK_MEMBER (_v2, _v3, resize_callback);
- CHECK_MEMBER (_v2, _v3, destroy_window_callback);
-
- CHECK_SIZE (_v2, _v3);
- CHECK_VERSION(_v2, _v3);
-
- /* Check current wl_egl_window ABI against wl_egl_window_v3 */
- CHECK_MEMBER_CURRENT(_v3, version);
- CHECK_MEMBER_CURRENT(_v3, width);
- CHECK_MEMBER_CURRENT(_v3, height);
- CHECK_MEMBER_CURRENT(_v3, dx);
- CHECK_MEMBER_CURRENT(_v3, dy);
- CHECK_MEMBER_CURRENT(_v3, attached_width);
- CHECK_MEMBER_CURRENT(_v3, attached_height);
- CHECK_MEMBER_CURRENT(_v3, private);
- CHECK_MEMBER_CURRENT(_v3, resize_callback);
- CHECK_MEMBER_CURRENT(_v3, destroy_window_callback);
- CHECK_MEMBER_CURRENT(_v3, surface);
-
- CHECK_SIZE_CURRENT (_v3);
- CHECK_VERSION_CURRENT(_v3);
-
- return 0;
-}
projects / mesa.git / commitdiff