зеркало из https://github.com/mozilla/gecko-dev.git
84 строки
2.7 KiB
C++
84 строки
2.7 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
|
|
*
|
|
* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#include "WindowSurfaceXRender.h"
|
|
|
|
#include "mozilla/gfx/2D.h"
|
|
#include "mozilla/gfx/Types.h"
|
|
#include "gfxPlatform.h"
|
|
|
|
namespace mozilla {
|
|
namespace widget {
|
|
|
|
WindowSurfaceXRender::WindowSurfaceXRender(Display* aDisplay,
|
|
Window aWindow,
|
|
Visual* aVisual,
|
|
unsigned int aDepth)
|
|
: WindowSurfaceX11(aDisplay, aWindow, aVisual, aDepth)
|
|
, mXlibSurface(nullptr)
|
|
, mGC(X11None)
|
|
{
|
|
}
|
|
|
|
WindowSurfaceXRender::~WindowSurfaceXRender()
|
|
{
|
|
if (mGC != X11None) {
|
|
XFreeGC(mDisplay, mGC);
|
|
}
|
|
}
|
|
|
|
already_AddRefed<gfx::DrawTarget>
|
|
WindowSurfaceXRender::Lock(const LayoutDeviceIntRegion& aRegion)
|
|
{
|
|
gfx::IntRect bounds = aRegion.GetBounds().ToUnknownRect();
|
|
gfx::IntSize size(bounds.XMost(), bounds.YMost());
|
|
if (!mXlibSurface || mXlibSurface->CairoStatus() ||
|
|
!(size <= mXlibSurface->GetSize())) {
|
|
mXlibSurface = gfxXlibSurface::Create(DefaultScreenOfDisplay(mDisplay),
|
|
mVisual,
|
|
size,
|
|
mWindow);
|
|
}
|
|
if (!mXlibSurface || mXlibSurface->CairoStatus()) {
|
|
return nullptr;
|
|
}
|
|
|
|
return gfxPlatform::GetPlatform()->CreateDrawTargetForSurface(mXlibSurface, size);
|
|
}
|
|
|
|
void
|
|
WindowSurfaceXRender::Commit(const LayoutDeviceIntRegion& aInvalidRegion)
|
|
{
|
|
AutoTArray<XRectangle, 32> xrects;
|
|
xrects.SetCapacity(aInvalidRegion.GetNumRects());
|
|
|
|
for (auto iter = aInvalidRegion.RectIter(); !iter.Done(); iter.Next()) {
|
|
const LayoutDeviceIntRect &r = iter.Get();
|
|
XRectangle xrect = { (short)r.x, (short)r.y, (unsigned short)r.width, (unsigned short)r.height };
|
|
xrects.AppendElement(xrect);
|
|
}
|
|
|
|
if (!mGC) {
|
|
mGC = XCreateGC(mDisplay, mWindow, 0, nullptr);
|
|
if (!mGC) {
|
|
NS_WARNING("Couldn't create X11 graphics context for window!");
|
|
return;
|
|
}
|
|
}
|
|
|
|
XSetClipRectangles(mDisplay, mGC, 0, 0, xrects.Elements(), xrects.Length(), YXBanded);
|
|
|
|
MOZ_ASSERT(mXlibSurface && mXlibSurface->CairoStatus() == 0,
|
|
"Attempted to commit invalid surface!");
|
|
gfx::IntRect bounds = aInvalidRegion.GetBounds().ToUnknownRect();
|
|
gfx::IntSize size(bounds.XMost(), bounds.YMost());
|
|
XCopyArea(mDisplay, mXlibSurface->XDrawable(), mWindow, mGC, bounds.x, bounds.y,
|
|
size.width, size.height, bounds.x, bounds.y);
|
|
}
|
|
|
|
} // namespace widget
|
|
} // namespace mozilla
|