| // Copyright 2013 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "content/browser/aura/software_output_device_x11.h" |
| |
| #include <X11/Xlib.h> |
| #include <X11/Xutil.h> |
| |
| #include "content/public/browser/browser_thread.h" |
| #include "third_party/skia/include/core/SkBitmap.h" |
| #include "third_party/skia/include/core/SkDevice.h" |
| #include "ui/compositor/compositor.h" |
| |
| namespace content { |
| |
| SoftwareOutputDeviceX11::SoftwareOutputDeviceX11(ui::Compositor* compositor) |
| : compositor_(compositor), |
| display_(gfx::GetXDisplay()), |
| gc_(NULL), |
| image_(NULL) { |
| // TODO(skaslev) Remove this when crbug.com/180702 is fixed. |
| DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); |
| |
| gc_ = XCreateGC(display_, compositor_->widget(), 0, NULL); |
| } |
| |
| SoftwareOutputDeviceX11::~SoftwareOutputDeviceX11() { |
| DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); |
| |
| XFreeGC(display_, gc_); |
| ClearImage(); |
| } |
| |
| void SoftwareOutputDeviceX11::ClearImage() { |
| DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); |
| |
| if (image_) { |
| // XDestroyImage deletes the data referenced by the image which |
| // is actually owned by the device_. So we have to reset data here. |
| image_->data = NULL; |
| XDestroyImage(image_); |
| image_ = NULL; |
| } |
| } |
| |
| void SoftwareOutputDeviceX11::Resize(gfx::Size viewport_size) { |
| DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); |
| |
| cc::SoftwareOutputDevice::Resize(viewport_size); |
| |
| ClearImage(); |
| if (!device_) |
| return; |
| |
| const SkBitmap& bitmap = device_->accessBitmap(false); |
| image_ = XCreateImage(display_, CopyFromParent, |
| DefaultDepth(display_, DefaultScreen(display_)), |
| ZPixmap, 0, |
| static_cast<char*>(bitmap.getPixels()), |
| viewport_size_.width(), viewport_size_.height(), |
| 32, 4 * viewport_size_.width()); |
| } |
| |
| void SoftwareOutputDeviceX11::EndPaint(cc::SoftwareFrameData* frame_data) { |
| DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); |
| DCHECK(device_); |
| DCHECK(frame_data); |
| |
| if (!device_) |
| return; |
| |
| SoftwareOutputDevice::EndPaint(frame_data); |
| |
| gfx::Rect rect = damage_rect_; |
| rect.Intersect(gfx::Rect(viewport_size_)); |
| if (rect.IsEmpty()) |
| return; |
| |
| // TODO(skaslev): Maybe switch XShmPutImage since it's async. |
| XPutImage(display_, compositor_->widget(), gc_, image_, |
| rect.x(), rect.y(), |
| rect.x(), rect.y(), |
| rect.width(), rect.height()); |
| } |
| |
| } // namespace content |