commit 60029a5397f75aae4bdb994f26bd297edc3e433c
author robertphillips <robertphillips@google.com> Mon Nov 09 13:51:06 2015 -0800
committer Commit bot <commit-bot@chromium.org> Mon Nov 09 13:51:06 2015 -0800
tree ecfe56285b4e3810fb864bd3cb2c07d1855d9638
parent e5911c9c5b859d60208f4b9ac4bf2a638f4bc35f

Update Layer Hoisting to store its atlas texture in the resource cache

BUG=skia:4346

Committed: https://skia.googlesource.com/skia/+/42597bc99f00553825843b5ed41e81b121773368

Review URL: https://codereview.chromium.org/1406013006

src/gpu/GrLayerAtlas.h

diff --git a/src/gpu/GrLayerAtlas.h b/src/gpu/GrLayerAtlas.h
index ae08e45..e84667b 100644
--- a/src/gpu/GrLayerAtlas.h
+++ b/src/gpu/GrLayerAtlas.h
@@ -9,15 +9,13 @@
 #ifndef GrLayerAtlas_DEFINED
 #define GrLayerAtlas_DEFINED
 
-#include "GrTypes.h"
+#include "GrTexture.h"
 
 #include "SkPoint.h"
-#include "SkSize.h"
 #include "SkTDArray.h"
 #include "SkTInternalLList.h"
 
 class GrLayerAtlas;
-class GrTexture;
 class GrTextureProvider;
 class GrRectanizer;
 
@@ -109,10 +107,23 @@
     // nullptr is returned if there is no more space in the atlas.
     Plot* addToAtlas(ClientPlotUsage*, int width, int height, SkIPoint16* loc);
 
-    GrTexture* getTexture() const {
+    GrTexture* getTextureOrNull() const {
         return fTexture;
     }
 
+    GrTexture* getTexture() const {
+        SkASSERT(fTexture);
+        return fTexture;
+    }
+
+    bool reattachBackingTexture();
+
+    void detachBackingTexture() {
+        fTexture.reset(nullptr);
+    }
+
+    void resetPlots();
+
     enum IterOrder {
         kLRUFirst_IterOrder,
         kMRUFirst_IterOrder
@@ -127,12 +138,14 @@
     }
 
 private:
+    void createBackingTexture();
+
     void makeMRU(Plot* plot);
 
     GrTextureProvider* fTexProvider;
     GrPixelConfig      fPixelConfig;
     GrSurfaceFlags     fFlags;
-    GrTexture*         fTexture;
+    SkAutoTUnref<GrTexture> fTexture;
 
     SkISize            fBackingTextureSize;