gecko-dev/widget/gtk/WindowSurfaceProvider.cpp
Martin Stransky 54fb55b16f Bug 1430018 - Don't use nsWindow::IsX11Display() as it's not implemented, r=jhorak
MozReview-Commit-ID: cR6q3fBhTo

--HG--
extra : rebase_source : ab137c3fe504555155f998b7d7e4332f9f802fae
2018-01-12 10:30:38 +01:00

144 lines
3.9 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 "WindowSurfaceProvider.h"
#include "gfxPlatformGtk.h"
#include "mozilla/layers/LayersTypes.h"
#include "WindowSurfaceX11Image.h"
#include "WindowSurfaceX11SHM.h"
#include "WindowSurfaceXRender.h"
#ifdef MOZ_WAYLAND
#include "WindowSurfaceWayland.h"
#endif
namespace mozilla {
namespace widget {
using namespace mozilla::gfx;
using namespace mozilla::layers;
WindowSurfaceProvider::WindowSurfaceProvider()
: mIsX11Display(false)
, mXDisplay(nullptr)
, mXWindow(0)
, mXVisual(nullptr)
, mXDepth(0)
, mWindowSurface(nullptr)
#ifdef MOZ_WAYLAND
, mWidget(nullptr)
#endif
{
}
void WindowSurfaceProvider::Initialize(
Display* aDisplay,
Window aWindow,
Visual* aVisual,
int aDepth)
{
// We should not be initialized
MOZ_ASSERT(!mXDisplay);
// This should also be a valid initialization
MOZ_ASSERT(aDisplay && aWindow != X11None && aVisual);
mXDisplay = aDisplay;
mXWindow = aWindow;
mXVisual = aVisual;
mXDepth = aDepth;
mIsX11Display = true;
}
#ifdef MOZ_WAYLAND
void WindowSurfaceProvider::Initialize(nsWindow *aWidget)
{
MOZ_ASSERT(aWidget->GetWaylandDisplay(),
"We are supposed to have a Wayland display!");
mWidget = aWidget;
mIsX11Display = false;
}
#endif
void WindowSurfaceProvider::CleanupResources()
{
mWindowSurface = nullptr;
}
UniquePtr<WindowSurface>
WindowSurfaceProvider::CreateWindowSurface()
{
#ifdef MOZ_WAYLAND
if (!mIsX11Display) {
LOGDRAW(("Drawing to nsWindow %p using wl_surface\n", (void*)this));
return MakeUnique<WindowSurfaceWayland>(mWidget);
}
#endif
// We should be initialized
MOZ_ASSERT(mXDisplay);
// Blit to the window with the following priority:
// 1. XRender (iff XRender is enabled && we are in-process)
// 2. MIT-SHM
// 3. XPutImage
#ifdef MOZ_WIDGET_GTK
if (gfxVars::UseXRender()) {
LOGDRAW(("Drawing to nsWindow %p using XRender\n", (void*)this));
return MakeUnique<WindowSurfaceXRender>(mXDisplay, mXWindow, mXVisual, mXDepth);
}
#endif // MOZ_WIDGET_GTK
#ifdef MOZ_HAVE_SHMIMAGE
if (nsShmImage::UseShm()) {
LOGDRAW(("Drawing to nsWindow %p using MIT-SHM\n", (void*)this));
return MakeUnique<WindowSurfaceX11SHM>(mXDisplay, mXWindow, mXVisual, mXDepth);
}
#endif // MOZ_HAVE_SHMIMAGE
LOGDRAW(("Drawing to nsWindow %p using XPutImage\n", (void*)this));
return MakeUnique<WindowSurfaceX11Image>(mXDisplay, mXWindow, mXVisual, mXDepth);
}
already_AddRefed<gfx::DrawTarget>
WindowSurfaceProvider::StartRemoteDrawingInRegion(LayoutDeviceIntRegion& aInvalidRegion,
layers::BufferMode* aBufferMode)
{
if (aInvalidRegion.IsEmpty())
return nullptr;
if (!mWindowSurface) {
mWindowSurface = CreateWindowSurface();
if (!mWindowSurface)
return nullptr;
}
*aBufferMode = BufferMode::BUFFER_NONE;
RefPtr<DrawTarget> dt = nullptr;
if (!(dt = mWindowSurface->Lock(aInvalidRegion)) &&
mIsX11Display && !mWindowSurface->IsFallback()) {
// We can't use WindowSurfaceX11Image fallback on Wayland but
// Lock() call on WindowSurfaceWayland should never fail.
gfxWarningOnce() << "Failed to lock WindowSurface, falling back to XPutImage backend.";
mWindowSurface = MakeUnique<WindowSurfaceX11Image>(mXDisplay, mXWindow, mXVisual, mXDepth);
dt = mWindowSurface->Lock(aInvalidRegion);
}
return dt.forget();
}
void
WindowSurfaceProvider::EndRemoteDrawingInRegion(gfx::DrawTarget* aDrawTarget,
LayoutDeviceIntRegion& aInvalidRegion)
{
if (mWindowSurface)
mWindowSurface->Commit(aInvalidRegion);
}
} // namespace mozilla
} // namespace widget