Add m-esr52 at 52.6.0

1 files changed, 65 insertions, 0 deletions

diff --git a/gfx/layers/basic/X11BasicCompositor.h b/gfx/layers/basic/X11BasicCompositor.h
new file mode 100644
index 000000000..2504e3f67
--- /dev/null
+++ b/gfx/layers/basic/X11BasicCompositor.h
@@ -0,0 +1,65 @@
+/* -*- Mode: C++; tab-width: 20; 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/. */
+
+#ifndef MOZILLA_GFX_X11BASICCOMPOSITOR_H
+#define MOZILLA_GFX_X11BASICCOMPOSITOR_H
+
+#include "mozilla/layers/BasicCompositor.h"
+#include "mozilla/layers/X11TextureSourceBasic.h"
+#include "mozilla/layers/TextureHostBasic.h"
+#include "gfxXlibSurface.h"
+#include "mozilla/gfx/2D.h"
+
+namespace mozilla {
+namespace layers {
+
+// TextureSource for Image-backed surfaces.
+class X11DataTextureSourceBasic : public DataTextureSource
+                                , public TextureSourceBasic
+{
+public:
+  X11DataTextureSourceBasic() {};
+
+  virtual const char* Name() const override { return "X11DataTextureSourceBasic"; }
+
+  virtual bool Update(gfx::DataSourceSurface* aSurface,
+                      nsIntRegion* aDestRegion = nullptr,
+                      gfx::IntPoint* aSrcOffset = nullptr) override;
+
+  virtual TextureSourceBasic* AsSourceBasic() override;
+
+  virtual gfx::SourceSurface* GetSurface(gfx::DrawTarget* aTarget) override;
+
+  virtual void DeallocateDeviceData() override;
+
+  virtual gfx::IntSize GetSize() const override;
+
+  virtual gfx::SurfaceFormat GetFormat() const override;
+
+private:
+  // We are going to buffer layer content on this xlib draw target
+  RefPtr<mozilla::gfx::DrawTarget> mBufferDrawTarget;
+};
+
+class X11BasicCompositor : public BasicCompositor
+{
+public:
+  explicit X11BasicCompositor(CompositorBridgeParent* aParent, widget::CompositorWidget* aWidget)
+    : BasicCompositor(aParent, aWidget)
+  {}
+
+  virtual already_AddRefed<DataTextureSource>
+  CreateDataTextureSource(TextureFlags aFlags = TextureFlags::NO_FLAGS) override;
+
+  virtual already_AddRefed<DataTextureSource>
+  CreateDataTextureSourceAround(gfx::DataSourceSurface* aSurface) override { return nullptr; }
+
+  virtual void EndFrame() override;
+};
+
+} // namespace layers
+} // namespace mozilla
+
+#endif /* MOZILLA_GFX_X11BASICCOMPOSITOR_H */