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 sw_FrameBufferX11_hpp
16#define sw_FrameBufferX11_hpp
17
18#include "Main/FrameBuffer.hpp"
19#include "Common/Debug.hpp"
20
21#include <X11/Xlib.h>
22#include <X11/Xutil.h>
23#include <X11/extensions/XShm.h>
24
25namespace sw
26{
27	class FrameBufferX11 : public FrameBuffer
28	{
29	public:
30		FrameBufferX11(Display *display, Window window, int width, int height);
31
32		~FrameBufferX11() override;
33
34		void flip(sw::Surface *source) override {blit(source, nullptr, nullptr);};
35		void blit(sw::Surface *source, const Rect *sourceRect, const Rect *destRect) override;
36
37		void *lock() override;
38		void unlock() override;
39
40	private:
41		bool ownX11;
42		Display *x_display;
43		Window x_window;
44		XImage *x_image;
45		GC x_gc;
46		XVisualInfo x_visual;
47
48		bool mit_shm;
49		XShmSegmentInfo shminfo;
50
51		char *buffer;
52	};
53}
54
55#endif   // sw_FrameBufferX11_hpp
56