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// 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"
#include "ui/gfx/x/x11_types.h"
namespace content {
SoftwareOutputDeviceX11::SoftwareOutputDeviceX11(ui::Compositor* compositor)
: compositor_(compositor), display_(gfx::GetXDisplay()), gc_(NULL) {
// TODO(skaslev) Remove this when crbug.com/180702 is fixed.
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
gc_ = XCreateGC(display_, compositor_->widget(), 0, NULL);
if (!XGetWindowAttributes(display_, compositor_->widget(), &attributes_)) {
LOG(ERROR) << "XGetWindowAttributes failed for window "
<< compositor_->widget();
return;
}
}
SoftwareOutputDeviceX11::~SoftwareOutputDeviceX11() {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
XFreeGC(display_, gc_);
}
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(jbauman): Switch to XShmPutImage since it's async.
const SkBitmap& bitmap = device_->accessBitmap(false);
gfx::PutARGBImage(display_,
attributes_.visual,
attributes_.depth,
compositor_->widget(),
gc_,
static_cast<const uint8*>(bitmap.getPixels()),
viewport_size_.width(),
viewport_size_.height(),
rect.x(),
rect.y(),
rect.x(),
rect.y(),
rect.width(),
rect.height());
}
} // namespace content
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