Remove GrLayerHoister

src/gpu/GrLayerHoister.h

Index: src/gpu/GrLayerHoister.h
diff --git a/src/gpu/GrLayerHoister.h b/src/gpu/GrLayerHoister.h
deleted file mode 100644
index 2a41a35807d592a5339211bfe368675f1d2f5bb1..0000000000000000000000000000000000000000
--- a/src/gpu/GrLayerHoister.h
+++ /dev/null
@@ -1,130 +0,0 @@
-/*
- * Copyright 2014 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#ifndef GrLayerHoister_DEFINED
-#define GrLayerHoister_DEFINED
-
-#define SK_IGNORE_GPU_LAYER_HOISTING
-
-
-#include "SkPicture.h"
-#include "SkTDArray.h"
-
-#if !defined(SK_IGNORE_GPU_LAYER_HOISTING) && SK_SUPPORT_GPU
-
-struct GrCachedLayer;
-class GrReplacements;
-class SkGpuDevice;
-struct SkRect;
-
-class GrHoistedLayer {
-public:
-    const SkPicture* fPicture;  // the picture that actually contains the layer
-                                // (not necessarily the top-most picture)
-    GrCachedLayer*   fLayer;
-    SkMatrix         fInitialMat;
-    SkMatrix         fPreMat;
-    SkMatrix         fLocalMat;
-};
-
-// This class collects the layer hoisting functionality in one place.
-// For each picture rendering:
-//  FindLayersToHoist should be called once to collect the required layers
-//  DrawLayers should be called once to render them
-//  UnlockLayers should be called once to allow the texture resources to be recycled
-class GrLayerHoister {
-public:
-    /** Attempt to reattach layers that may have been atlased in the past
-     */
-    static void Begin(GrContext* context);
-
-    /** Release cache resources
-     */
-    static void End(GrContext* context);
-
-    /** Find the layers in 'topLevelPicture' that can be atlased. Note that the discovered
-        layers can be inside nested sub-pictures.
-        @param context    Owner of the layer cache (the source of new layers)
-        @param topLevelPicture The top-level picture that is about to be rendered
-        @param initialMat  The CTM of the canvas into which the layers will be drawn
-        @param query       The rectangle that is about to be drawn.
-        @param atlasedNeedRendering Out parameter storing the layers that
-                                    should be hoisted to the atlas
-        @param recycled    Out parameter storing layers that are atlased but do not need rendering
-        @param numSamples  The number if MSAA samples required
-        */
-    static void FindLayersToAtlas(GrContext* context,
-                                  const SkPicture* topLevelPicture,
-                                  const SkMatrix& initialMat,
-                                  const SkRect& query,
-                                  SkTDArray<GrHoistedLayer>* atlasedNeedRendering,
-                                  SkTDArray<GrHoistedLayer>* recycled,
-                                  int numSamples);
-
-    /** Find the layers in 'topLevelPicture' that need hoisting. Note that the discovered
-        layers can be inside nested sub-pictures.
-        @param context    Owner of the layer cache (the source of new layers)
-        @param topLevelPicture The top-level picture that is about to be rendered
-        @param initialMat  The CTM of the canvas into which the layers will be drawn
-        @param query       The rectangle that is about to be drawn.
-        @param needRendering Out parameter storing the layers that need rendering.
-                             This should never include atlased layers.
-        @param recycled    Out parameter storing layers that need hoisting but not rendering
-        @param numSamples  The number if MSAA samples required
-    */
-    static void FindLayersToHoist(GrContext* context,
-                                  const SkPicture* topLevelPicture,
-                                  const SkMatrix& initialMat,
-                                  const SkRect& query,
-                                  SkTDArray<GrHoistedLayer>* needRendering,
-                                  SkTDArray<GrHoistedLayer>* recycled,
-                                  int numSamples);
-
-    /** Draw the specified layers into the atlas.
-        @param context      Owner of the layer cache (and thus the layers)
-        @param layers       The layers to be drawn into the atlas
-    */
-    static void DrawLayersToAtlas(GrContext* context, const SkTDArray<GrHoistedLayer>& layers);
-
-    /** Draw the specified layers into their own individual textures.
-        @param context      Owner of the layer cache (and thus the layers)
-        @param layers       The layers to be drawn
-    */
-    static void DrawLayers(GrContext* context, const SkTDArray<GrHoistedLayer>& layers);
-
-    /** Convert all the layers in 'layers' into replacement objects in 'replacements'.
-        @param layers       The hoisted layers
-        @param replacements Replacement object that will be used for a replacement draw
-    */
-    static void ConvertLayersToReplacements(const SkPicture* topLevelPicture,
-                                            const SkTDArray<GrHoistedLayer>& layers,
-                                            GrReplacements* replacements);
-
-    /** Unlock a group of layers in the layer cache.
-        @param context    Owner of the layer cache (and thus the layers)
-        @param layers     Unneeded layers in the atlas
-    */
-    static void UnlockLayers(GrContext* context, const SkTDArray<GrHoistedLayer>& layers);
-
-    /** Forceably remove all cached layers and release the atlas. Useful for debugging and timing.
-        This is only functional when GR_CACHE_HOISTED_LAYERS is set to 1 in GrLayerCache.h
-        @param context    Owner of the layer cache (and thus the layers)
-     */
-    static void PurgeCache(GrContext* context);
-
-private:
-    /** Update the GrTexture in 'layer' with its filtered version
-        @param context    Owner of the layer cache (and thus the layers)
-        @param props      Surface properties
-        @param info       Layer info for a layer needing filtering prior to being composited
-     */
-    static void FilterLayer(GrContext* context, const SkSurfaceProps*, const GrHoistedLayer& info);
-
-};
-#endif
-
-#endif