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 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