1 // Copyright 2013 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "content/browser/aura/software_output_device_x11.h" 6 7 #include <X11/Xlib.h> 8 #include <X11/Xutil.h> 9 10 #include "content/public/browser/browser_thread.h" 11 #include "third_party/skia/include/core/SkBitmap.h" 12 #include "third_party/skia/include/core/SkDevice.h" 13 #include "ui/compositor/compositor.h" 14 15 namespace content { 16 17 SoftwareOutputDeviceX11::SoftwareOutputDeviceX11(ui::Compositor* compositor) 18 : compositor_(compositor), 19 display_(ui::GetXDisplay()), 20 gc_(NULL), 21 image_(NULL) { 22 // TODO(skaslev) Remove this when crbug.com/180702 is fixed. 23 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); 24 25 gc_ = XCreateGC(display_, compositor_->widget(), 0, NULL); 26 } 27 28 SoftwareOutputDeviceX11::~SoftwareOutputDeviceX11() { 29 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); 30 31 XFreeGC(display_, gc_); 32 ClearImage(); 33 } 34 35 void SoftwareOutputDeviceX11::ClearImage() { 36 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); 37 38 if (image_) { 39 // XDestroyImage deletes the data referenced by the image which 40 // is actually owned by the device_. So we have to reset data here. 41 image_->data = NULL; 42 XDestroyImage(image_); 43 image_ = NULL; 44 } 45 } 46 47 void SoftwareOutputDeviceX11::Resize(gfx::Size viewport_size) { 48 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); 49 50 cc::SoftwareOutputDevice::Resize(viewport_size); 51 52 ClearImage(); 53 if (!device_) 54 return; 55 56 const SkBitmap& bitmap = device_->accessBitmap(false); 57 image_ = XCreateImage(display_, CopyFromParent, 58 DefaultDepth(display_, DefaultScreen(display_)), 59 ZPixmap, 0, 60 static_cast<char*>(bitmap.getPixels()), 61 viewport_size_.width(), viewport_size_.height(), 62 32, 4 * viewport_size_.width()); 63 } 64 65 void SoftwareOutputDeviceX11::EndPaint(cc::SoftwareFrameData* frame_data) { 66 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); 67 DCHECK(device_); 68 DCHECK(frame_data); 69 70 if (!device_) 71 return; 72 73 SoftwareOutputDevice::EndPaint(frame_data); 74 75 gfx::Rect rect = damage_rect_; 76 rect.Intersect(gfx::Rect(viewport_size_)); 77 if (rect.IsEmpty()) 78 return; 79 80 // TODO(skaslev): Maybe switch XShmPutImage since it's async. 81 XPutImage(display_, compositor_->widget(), gc_, image_, 82 rect.x(), rect.y(), 83 rect.x(), rect.y(), 84 rect.width(), rect.height()); 85 } 86 87 } // namespace content 88
