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 // Surface.cpp: Implements the egl::Surface class, representing a drawing surface 16 // such as the client area of a window, including any back buffers. 17 // Implements EGLSurface and related functionality. [EGL 1.4] section 2.2 page 3. 18 19 #ifndef sw_FrameBufferX11_hpp 20 #define sw_FrameBufferX11_hpp 21 22 #include "Main/FrameBuffer.hpp" 23 #include "Common/Debug.hpp" 24 25 #include <X11/Xlib.h> 26 #include <X11/Xutil.h> 27 #include <X11/extensions/XShm.h> 28 29 namespace sw 30 { 31 class FrameBufferX11 : public FrameBuffer 32 { 33 public: 34 FrameBufferX11(Display *display, Window window, int width, int height); 35 36 ~FrameBufferX11(); 37 flip(void * source,Format sourceFormat,size_t sourceStride)38 void flip(void *source, Format sourceFormat, size_t sourceStride) override {blit(source, 0, 0, sourceFormat, sourceStride);}; 39 void blit(void *source, const Rect *sourceRect, const Rect *destRect, Format sourceFormat, size_t sourceStride) override; 40 41 void *lock() override; 42 void unlock() override; 43 44 private: 45 bool ownX11; 46 Display *x_display; 47 Window x_window; 48 XImage *x_image; 49 GC x_gc; 50 XVisualInfo x_visual; 51 52 bool mit_shm; 53 XShmSegmentInfo shminfo; 54 55 char *buffer; 56 }; 57 } 58 59 #endif // sw_FrameBufferX11_hpp 60