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diff --git a/src/weston-egl-ext.h b/src/weston-egl-ext.h
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+/**************************************************************************
+ *
+ * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * 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, sub license, 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.
+ *
+ **************************************************************************/
+
+/* Extensions used by Weston, copied from Mesa's eglmesaext.h, */
+
+#ifndef WESTON_EGL_EXT_H
+#define WESTON_EGL_EXT_H
+
+#ifndef EGL_WL_bind_wayland_display
+#define EGL_WL_bind_wayland_display 1
+
+#define EGL_WAYLAND_BUFFER_WL		0x31D5 /* eglCreateImageKHR target */
+#define EGL_WAYLAND_PLANE_WL		0x31D6 /* eglCreateImageKHR target */
+
+#define EGL_TEXTURE_Y_U_V_WL            0x31D7
+#define EGL_TEXTURE_Y_UV_WL             0x31D8
+#define EGL_TEXTURE_Y_XUXV_WL           0x31D9
+#define EGL_TEXTURE_EXTERNAL_WL         0x31DA
+
+struct wl_display;
+struct wl_resource;
+#ifdef EGL_EGLEXT_PROTOTYPES
+EGLAPI EGLBoolean EGLAPIENTRY eglBindWaylandDisplayWL(EGLDisplay dpy, struct wl_display *display);
+EGLAPI EGLBoolean EGLAPIENTRY eglUnbindWaylandDisplayWL(EGLDisplay dpy, struct wl_display *display);
+EGLAPI EGLBoolean EGLAPIENTRY eglQueryWaylandBufferWL(EGLDisplay dpy, struct wl_resource *buffer, EGLint attribute, EGLint *value);
+#endif
+typedef EGLBoolean (EGLAPIENTRYP PFNEGLBINDWAYLANDDISPLAYWL) (EGLDisplay dpy, struct wl_display *display);
+typedef EGLBoolean (EGLAPIENTRYP PFNEGLUNBINDWAYLANDDISPLAYWL) (EGLDisplay dpy, struct wl_display *display);
+typedef EGLBoolean (EGLAPIENTRYP PFNEGLQUERYWAYLANDBUFFERWL) (EGLDisplay dpy, struct wl_resource *buffer, EGLint attribute, EGLint *value);
+
+#endif
+
+#ifndef EGL_TEXTURE_EXTERNAL_WL
+#define EGL_TEXTURE_EXTERNAL_WL         0x31DA
+#endif
+
+#ifndef EGL_BUFFER_AGE_EXT
+#define EGL_BUFFER_AGE_EXT              0x313D
+#endif
+
+#ifndef EGL_WAYLAND_Y_INVERTED_WL
+#define EGL_WAYLAND_Y_INVERTED_WL		0x31DB /* eglQueryWaylandBufferWL attribute */
+#endif
+
+/* Mesas gl2ext.h and probably Khronos upstream defined
+ * GL_EXT_unpack_subimage with non _EXT suffixed GL_UNPACK_* tokens.
+ * In case we're using that mess, manually define the _EXT versions
+ * of the tokens here.*/
+#if defined(GL_EXT_unpack_subimage) && !defined(GL_UNPACK_ROW_LENGTH_EXT)
+#define GL_UNPACK_ROW_LENGTH_EXT                                0x0CF2
+#define GL_UNPACK_SKIP_ROWS_EXT                                 0x0CF3
+#define GL_UNPACK_SKIP_PIXELS_EXT                               0x0CF4
+#endif
+
+
+#endif