Bug 1736367 - Remove unused ReadbackLayer.h. r=gfx-reviewers,mstange

Differential Revision: https://phabricator.services.mozilla.com/D128741

build/win32/orderfile.txt

@@ -12026,7 +12026,6 @@ ARGBSetRow_X86
 ?HasMultipleChildren@ContainerLayer@layers@mozilla@@QAE_NXZ
 ?GetEffectiveOpacity@Layer@layers@mozilla@@QAEMXZ
 ?ComputeEffectiveTransformsForChildren@ContainerLayer@layers@mozilla@@IAEXABV?$Matrix4x4Typed@UUnknownUnits@gfx@mozilla@@U123@M@gfx@3@@Z
-??_GReadbackLayer@layers@mozilla@@UAEPAXI@Z
 ?JS_GetFunctionDisplayId@@YAPAVJSString@@PAVJSFunction@@@Z
 ??1ReadbackProcessor@layers@mozilla@@QAE@XZ
 ?GetClipExtents@gfxContext@@QBE?AU?$RectTyped@UUnknownUnits@gfx@mozilla@@N@gfx@mozilla@@W4ClipExtentsSpace@1@@Z
@@ -17447,7 +17446,6 @@ FluentBuiltInDateTimeFormatterFormat
 ?Unlink@cycleCollection@DOMEventTargetHelper@mozilla@@UAGXPAX@Z
 ?nsCycleCollector_doDeferredDeletion@@YA_NXZ
 ?WriteToFile@nsINIParser_internal@@QAE?AW4nsresult@@PAVnsIFile@@@Z
-?GetType@ReadbackLayer@layers@mozilla@@UBE?AW4LayerType@Layer@23@XZ
 ?functionBodyString@ScriptSource@js@@QAEPAVJSLinearString@@PAUJSContext@@@Z
 ??0Compressor@js@@QAE@PBEI@Z
 ?init@Compressor@js@@QAE_NXZ

build/win64/orderfile.txt

@@ -13261,7 +13261,6 @@ ZN5style10properties9longhands11caret_color16cascade_property17hc6f704988876f49c
 ?GetEffectiveOperator@layers@mozilla@@YA?AW4CompositionOp@gfx@2@PEAVLayer@12@@Z
 ?HasMultipleChildren@ContainerLayer@layers@mozilla@@QEAA_NXZ
 ?ComputeEffectiveTransformsForChildren@ContainerLayer@layers@mozilla@@IEAAXAEBV?$Matrix4x4Typed@UUnknownUnits@gfx@mozilla@@U123@M@gfx@3@@Z
-??_GReadbackLayer@layers@mozilla@@UEAAPEAXI@Z
 ?GetClipExtents@gfxContext@@QEBA?AU?$RectTyped@UUnknownUnits@gfx@mozilla@@N@gfx@mozilla@@W4ClipExtentsSpace@1@@Z
 ?GetRect@DrawTarget@gfx@mozilla@@UEBA?AU?$IntRectTyped@UUnknownUnits@gfx@mozilla@@@23@XZ
 ?ToOutsideIntRect@layers@mozilla@@YA?AU?$IntRectTyped@UUnknownUnits@gfx@mozilla@@@gfx@2@AEBU?$RectTyped@UUnknownUnits@gfx@mozilla@@N@42@@Z

gfx/layers/Layers.cpp

@@ -16,7 +16,6 @@
 #include "CompositableHost.h"  // for CompositableHost
 #include "GeckoProfiler.h"  // for profiler_can_accept_markers, PROFILER_MARKER_TEXT
 #include "LayerUserData.h"  // for LayerUserData
-#include "ReadbackLayer.h"  // for ReadbackLayer
 #include "TreeTraversal.h"  // for ForwardIterator, ForEachNode, DepthFirstSearch, TraversalFlag, TraversalFl...
 #include "UnitTransforms.h"  // for ViewAs, PixelCastJustification, PixelCastJustification::RenderTargetIsPare...
 #include "apz/src/AsyncPanZoomController.h"  // for AsyncPanZoomController

gfx/layers/ReadbackLayer.h

@@ -1,71 +0,0 @@
-/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
-/* vim: set ts=8 sts=2 et sw=2 tw=80: */
-/* 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 GFX_READBACKLAYER_H
-#define GFX_READBACKLAYER_H
-
-#include <stdint.h>             // for uint64_t
-#include "Layers.h"             // for Layer, etc
-#include "mozilla/gfx/Rect.h"   // for gfxRect
-#include "mozilla/gfx/Point.h"  // for IntPoint
-#include "mozilla/mozalloc.h"   // for operator delete
-#include "nsCOMPtr.h"           // for already_AddRefed
-#include "nsDebug.h"            // for NS_ASSERTION
-#include "nsPoint.h"            // for nsIntPoint
-#include "nscore.h"             // for nsACString
-
-class gfxContext;
-
-namespace mozilla {
-namespace layers {
-
-class ReadbackProcessor;
-
-/**
- * A ReadbackSink receives a stream of updates to a rectangle of pixels.
- * These update callbacks are always called on the main thread, either during
- * EndTransaction or from the event loop.
- */
-class ReadbackSink {
- public:
-  ReadbackSink() = default;
-  virtual ~ReadbackSink() = default;
-
-  /**
-   * Sends an update to indicate that the background is currently unknown.
-   */
-  virtual void SetUnknown(uint64_t aSequenceNumber) = 0;
-  /**
-   * Called by the layer system to indicate that the contents of part of
-   * the readback area are changing.
-   * @param aRect is the rectangle of content that is being updated,
-   * in the coordinate system of the ReadbackLayer.
-   * @param aSequenceNumber updates issued out of order should be ignored.
-   * Only use updates whose sequence counter is greater than all other updates
-   * seen so far. Return null when a non-fresh sequence value is given.
-   * @return a context into which the update should be drawn. This should be
-   * set up to clip to aRect. Zero should never be passed as a sequence number.
-   * If this returns null, EndUpdate should NOT be called. If it returns
-   * non-null, EndUpdate must be called.
-   *
-   * We don't support partially unknown backgrounds. Therefore, the
-   * first BeginUpdate after a SetUnknown will have the complete background.
-   */
-  virtual already_AddRefed<gfx::DrawTarget> BeginUpdate(
-      const gfx::IntRect& aRect, uint64_t aSequenceNumber) = 0;
-  /**
-   * EndUpdate must be called immediately after BeginUpdate, without returning
-   * to the event loop.
-   * @param aContext the context returned by BeginUpdate
-   * Implicitly Restore()s the state of aContext.
-   */
-  virtual void EndUpdate(const gfx::IntRect& aRect) = 0;
-};
-
-}  // namespace layers
-}  // namespace mozilla
-
-#endif /* GFX_READBACKLAYER_H */

gfx/layers/d3d11/ReadbackManagerD3D11.cpp

@@ -5,7 +5,6 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 #include "ReadbackManagerD3D11.h"
-#include "ReadbackLayer.h"
 #include "mozilla/layers/TextureClient.h"
 #include "mozilla/gfx/2D.h"
 

gfx/layers/moz.build

@@ -25,7 +25,6 @@ EXPORTS += [
     "LayerUserData.h",
     "opengl/OGLShaderConfig.h",
     "opengl/OGLShaderProgram.h",
-    "ReadbackLayer.h",
 ]
 
 if CONFIG["MOZ_WIDGET_TOOLKIT"] == "windows":