1// Copyright 2016 The SwiftShader Authors. All Rights Reserved.
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7// http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15#ifndef libX11_hpp
16#define libX11_hpp
17
18#define Bool int
19#include <X11/Xlib.h>
20#include <X11/Xutil.h>
21#include <X11/extensions/XShm.h>
22
23struct LibX11exports
24{
25 LibX11exports(void *libX11, void *libXext);
26
27 Display *(*XOpenDisplay)(char *display_name);
28 Status (*XGetWindowAttributes)(Display *display, Window w, XWindowAttributes *window_attributes_return);
29 Screen *(*XDefaultScreenOfDisplay)(Display *display);
30 int (*XWidthOfScreen)(Screen *screen);
31 int (*XHeightOfScreen)(Screen *screen);
32 int (*XPlanesOfScreen)(Screen *screen);
33 GC (*XDefaultGC)(Display *display, int screen_number);
34 int (*XDefaultDepth)(Display *display, int screen_number);
35 Status (*XMatchVisualInfo)(Display *display, int screen, int depth, int screen_class, XVisualInfo *vinfo_return);
36 Visual *(*XDefaultVisual)(Display *display, int screen_number);
37 int (*(*XSetErrorHandler)(int (*handler)(Display*, XErrorEvent*)))(Display*, XErrorEvent*);
38 int (*XSync)(Display *display, Bool discard);
39 XImage *(*XCreateImage)(Display *display, Visual *visual, unsigned int depth, int format, int offset, char *data, unsigned int width, unsigned int height, int bitmap_pad, int bytes_per_line);
40 int (*XCloseDisplay)(Display *display);
41 int (*XPutImage)(Display *display, Drawable d, GC gc, XImage *image, int src_x, int src_y, int dest_x, int dest_y, unsigned int width, unsigned int height);
42 int (*XDrawString)(Display *display, Drawable d, GC gc, int x, int y, char *string, int length);
43
44 Bool (*XShmQueryExtension)(Display *display);
45 XImage *(*XShmCreateImage)(Display *display, Visual *visual, unsigned int depth, int format, char *data, XShmSegmentInfo *shminfo, unsigned int width, unsigned int height);
46 Bool (*XShmAttach)(Display *display, XShmSegmentInfo *shminfo);
47 Bool (*XShmDetach)(Display *display, XShmSegmentInfo *shminfo);
48 int (*XShmPutImage)(Display *display, Drawable d, GC gc, XImage *image, int src_x, int src_y, int dest_x, int dest_y, unsigned int width, unsigned int height, bool send_event);
49};
50
51#undef Bool // b/127920555
52
53class LibX11
54{
55public:
56 operator bool()
57 {
58 return loadExports();
59 }
60
61 LibX11exports *operator->();
62
63private:
64 LibX11exports *loadExports();
65};
66
67extern LibX11 libX11;
68
69#endif // libX11_hpp
70