// Copyright 2016 The SwiftShader Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef libX11_hpp
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#define libX11_hpp
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#define Bool int
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#include <X11/Xlib.h>
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#include <X11/Xutil.h>
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#include <X11/extensions/XShm.h>
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struct LibX11exports
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{
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LibX11exports(void *libX11, void *libXext);
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Display *(*XOpenDisplay)(char *display_name);
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Status (*XGetWindowAttributes)(Display *display, Window w, XWindowAttributes *window_attributes_return);
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Screen *(*XDefaultScreenOfDisplay)(Display *display);
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int (*XWidthOfScreen)(Screen *screen);
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int (*XHeightOfScreen)(Screen *screen);
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int (*XPlanesOfScreen)(Screen *screen);
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GC (*XDefaultGC)(Display *display, int screen_number);
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int (*XDefaultDepth)(Display *display, int screen_number);
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Status (*XMatchVisualInfo)(Display *display, int screen, int depth, int screen_class, XVisualInfo *vinfo_return);
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Visual *(*XDefaultVisual)(Display *display, int screen_number);
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int (*(*XSetErrorHandler)(int (*handler)(Display*, XErrorEvent*)))(Display*, XErrorEvent*);
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int (*XSync)(Display *display, Bool discard);
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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);
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int (*XCloseDisplay)(Display *display);
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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);
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int (*XDrawString)(Display *display, Drawable d, GC gc, int x, int y, char *string, int length);
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Bool (*XShmQueryExtension)(Display *display);
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XImage *(*XShmCreateImage)(Display *display, Visual *visual, unsigned int depth, int format, char *data, XShmSegmentInfo *shminfo, unsigned int width, unsigned int height);
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Bool (*XShmAttach)(Display *display, XShmSegmentInfo *shminfo);
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Bool (*XShmDetach)(Display *display, XShmSegmentInfo *shminfo);
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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);
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};
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#undef Bool // b/127920555
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class LibX11
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{
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public:
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operator bool()
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{
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return loadExports();
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}
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LibX11exports *operator->();
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private:
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LibX11exports *loadExports();
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};
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extern LibX11 libX11;
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#endif // libX11_hpp
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