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// Copyright 2016 The SwiftShader Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Surface.cpp: Implements the egl::Surface class, representing a drawing surface
// such as the client area of a window, including any back buffers.
// Implements EGLSurface and related functionality. [EGL 1.4] section 2.2 page 3.
#ifndef sw_FrameBufferX11_hpp
#define sw_FrameBufferX11_hpp
#include "Main/FrameBuffer.hpp"
#include "Common/Debug.hpp"
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/extensions/XShm.h>
namespace sw
{
class FrameBufferX11 : public FrameBuffer
{
public:
FrameBufferX11(Display *display, Window window, int width, int height);
~FrameBufferX11();
void flip(void *source, Format sourceFormat, size_t sourceStride) override {blit(source, 0, 0, sourceFormat, sourceStride);};
void blit(void *source, const Rect *sourceRect, const Rect *destRect, Format sourceFormat, size_t sourceStride) override;
void *lock() override;
void unlock() override;
private:
bool ownX11;
Display *x_display;
Window x_window;
XImage *x_image;
GC x_gc;
XVisualInfo x_visual;
bool mit_shm;
XShmSegmentInfo shminfo;
char *buffer;
};
}
#endif // sw_FrameBufferX11_hpp