Remove third_party/golang.org/x/mobile as it is no longer used with Go 1.5.

third_party/go/src/golang.org/x/mobile/app/x11.c

-// Copyright 2014 The Go Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-// +build linux,!android
-
-#include "_cgo_export.h"
-#include <EGL/egl.h>
-#include <GLES2/gl2.h>
-#include <X11/Xlib.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-static Window
-new_window(Display *x_dpy, EGLDisplay e_dpy, int w, int h, EGLContext *ctx, EGLSurface *surf) {
-        static const EGLint attribs[] = {
-                EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
-                EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
-                EGL_BLUE_SIZE, 8,
-                EGL_GREEN_SIZE, 8,
-                EGL_RED_SIZE, 8,
-                EGL_DEPTH_SIZE, 16,
-                EGL_CONFIG_CAVEAT, EGL_NONE,
-                EGL_NONE
-        };
-        EGLConfig config;
-        EGLint num_configs;
-        if (!eglChooseConfig(e_dpy, attribs, &config, 1, &num_configs)) {
-                fprintf(stderr, "eglChooseConfig failed\n");
-                exit(1);
-        }
-        EGLint vid;
-        if (!eglGetConfigAttrib(e_dpy, config, EGL_NATIVE_VISUAL_ID, &vid)) {
-                fprintf(stderr, "eglGetConfigAttrib failed\n");
-                exit(1);
-        }
-
-        XVisualInfo visTemplate;
-        visTemplate.visualid = vid;
-        int num_visuals;
-        XVisualInfo *visInfo = XGetVisualInfo(x_dpy, VisualIDMask, &visTemplate, &num_visuals);
-        if (!visInfo) {
-                fprintf(stderr, "XGetVisualInfo failed\n");
-                exit(1);
-        }
-
-        Window root = RootWindow(x_dpy, DefaultScreen(x_dpy));
-        XSetWindowAttributes attr;
-        attr.event_mask = StructureNotifyMask | ExposureMask |
-                ButtonPressMask | ButtonReleaseMask | ButtonMotionMask;
-        Window win = XCreateWindow(
-                x_dpy, root, 0, 0, w, h, 0, visInfo->depth, InputOutput,
-                visInfo->visual, CWEventMask, &attr);
-        XFree(visInfo);
-
-        XSizeHints sizehints;
-        sizehints.width  = w;
-        sizehints.height = h;
-        sizehints.flags = USSize;
-        XSetNormalHints(x_dpy, win, &sizehints);
-        XSetStandardProperties(x_dpy, win, "App", "App", None, (char **)NULL, 0, &sizehints);
-
-        static const EGLint ctx_attribs[] = {
-                EGL_CONTEXT_CLIENT_VERSION, 2,
-                EGL_NONE
-        };
-        *ctx = eglCreateContext(e_dpy, config, EGL_NO_CONTEXT, ctx_attribs);
-        if (!*ctx) {
-                fprintf(stderr, "eglCreateContext failed\n");
-                exit(1);
-        }
-        *surf = eglCreateWindowSurface(e_dpy, config, win, NULL);
-        if (!*surf) {
-                fprintf(stderr, "eglCreateWindowSurface failed\n");
-                exit(1);
-        }
-        return win;
-}
-
-void
-runApp(void) {
-        Display *x_dpy = XOpenDisplay(NULL);
-        if (!x_dpy) {
-                fprintf(stderr, "XOpenDisplay failed\n");
-                exit(1);
-        }
-        EGLDisplay e_dpy = eglGetDisplay(x_dpy);
-        if (!e_dpy) {
-                fprintf(stderr, "eglGetDisplay failed\n");
-                exit(1);
-        }
-        EGLint e_major, e_minor;
-        if (!eglInitialize(e_dpy, &e_major, &e_minor)) {
-                fprintf(stderr, "eglInitialize failed\n");
-                exit(1);
-        }
-        eglBindAPI(EGL_OPENGL_ES_API);
-        EGLContext e_ctx;
-        EGLSurface e_surf;
-        Window win = new_window(x_dpy, e_dpy, 400, 400, &e_ctx, &e_surf);
-        XMapWindow(x_dpy, win);
-        if (!eglMakeCurrent(e_dpy, e_surf, e_surf, e_ctx)) {
-                fprintf(stderr, "eglMakeCurrent failed\n");
-                exit(1);
-        }
-
-        while (1) {
-                XEvent ev;
-                XNextEvent(x_dpy, &ev);
-                switch (ev.type) {
-                case ButtonPress:
-                        onTouchStart((float)ev.xbutton.x, (float)ev.xbutton.y);
-                        break;
-                case ButtonRelease:
-                        onTouchEnd((float)ev.xbutton.x, (float)ev.xbutton.y);
-                        break;
-                case MotionNotify:
-                        onTouchMove((float)ev.xmotion.x, (float)ev.xmotion.y);
-                        break;
-                case Expose:
-                        onDraw();
-                        eglSwapBuffers(e_dpy, e_surf);
-
-                        // TODO(nigeltao): subscribe to vblank events instead of forcing another
-                        // expose event to keep the event loop ticking over.
-                        // TODO(nigeltao): no longer #include <string.h> when we don't use memset.
-                        XExposeEvent fakeEvent;
-                        memset(&fakeEvent, 0, sizeof(XExposeEvent));
-                        fakeEvent.type = Expose;
-                        fakeEvent.window = win;
-                        XSendEvent(x_dpy, win, 0, 0, (XEvent*)&fakeEvent);
-                        XFlush(x_dpy);
-
-                        break;
-                case ConfigureNotify:
-                        onResize(ev.xconfigure.width, ev.xconfigure.height);
-                        glViewport(0, 0, (GLint)ev.xconfigure.width, (GLint)ev.xconfigure.height);
-                        break;
-                }
-        }
-}