Adding upstream version 86.0.1.upstream/86.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 75 insertions, 0 deletions

diff --git a/widget/gtk/WindowSurfaceXRender.cpp b/widget/gtk/WindowSurfaceXRender.cpp
new file mode 100644
index 0000000000..9f040d9ce3
--- /dev/null
+++ b/widget/gtk/WindowSurfaceXRender.cpp
@@ -0,0 +1,75 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * 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::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