Fix double-accounting of SkPictureShader bitmap memory
The pixels RAM is accounted via SkImageGenerator/SkImageCacherator, we
don't need to report it as part of SkPictureShader's BitmapShaderRec.
R=reed@google.com
BUG=chromium:619929
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2415673002
Review-Url: https://codereview.chromium.org/2415673002
diff --git a/src/core/SkPictureShader.cpp b/src/core/SkPictureShader.cpp
index 3349558..c7ceb76 100644
--- a/src/core/SkPictureShader.cpp
+++ b/src/core/SkPictureShader.cpp
@@ -11,6 +11,7 @@
#include "SkBitmapProcShader.h"
#include "SkCanvas.h"
#include "SkImage.h"
+#include "SkImageShader.h"
#include "SkMatrixUtils.h"
#include "SkPicture.h"
#include "SkReadBuffer.h"
@@ -63,10 +64,9 @@
};
struct BitmapShaderRec : public SkResourceCache::Rec {
- BitmapShaderRec(const BitmapShaderKey& key, SkShader* tileShader, size_t bitmapBytes)
+ BitmapShaderRec(const BitmapShaderKey& key, SkShader* tileShader)
: fKey(key)
- , fShader(SkRef(tileShader))
- , fBitmapBytes(bitmapBytes) {}
+ , fShader(SkRef(tileShader)) {}
BitmapShaderKey fKey;
SkAutoTUnref<SkShader> fShader;
@@ -74,7 +74,8 @@
const Key& getKey() const override { return fKey; }
size_t bytesUsed() const override {
- return sizeof(fKey) + sizeof(SkShader) + fBitmapBytes;
+ // Just the record overhead -- the actual pixels are accounted by SkImageCacherator.
+ return sizeof(fKey) + sizeof(SkImageShader);
}
const char* getCategory() const override { return "bitmap-shader"; }
SkDiscardableMemory* diagnostic_only_getDiscardable() const override { return nullptr; }
@@ -233,9 +234,7 @@
shaderMatrix.preScale(1 / tileScale.width(), 1 / tileScale.height());
tileShader = tileImage->makeShader(fTmx, fTmy, &shaderMatrix);
- const SkImageInfo tileInfo = SkImageInfo::MakeN32Premul(tileSize);
- SkResourceCache::Add(new BitmapShaderRec(key, tileShader.get(),
- tileInfo.getSafeSize(tileInfo.minRowBytes())));
+ SkResourceCache::Add(new BitmapShaderRec(key, tileShader.get()));
}
return tileShader;