more cleanup after removing volatile from bitmap

Change-Id: I3d7b2f59a5657640c3d60f5a2f6e1277d7593096
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/302038
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Mike Reed <reed@google.com>
diff --git a/bench/BitmapBench.cpp b/bench/BitmapBench.cpp
index e6434ce..113d985 100644
--- a/bench/BitmapBench.cpp
+++ b/bench/BitmapBench.cpp
@@ -27,7 +27,6 @@
     const SkColorType   fColorType;
     const SkAlphaType   fAlphaType;
     const bool          fForceUpdate; //bitmap marked as dirty before each draw. forces bitmap to be updated on device cache
-    const bool          fIsVolatile;
     const bool          fDoScale;
 
     SkBitmap            fBitmap;
@@ -37,11 +36,10 @@
     enum { W = 128 };
     enum { H = 128 };
 public:
-    BitmapBench(SkColorType ct, SkAlphaType at, bool forceUpdate, bool isVolatile, bool doScale)
+    BitmapBench(SkColorType ct, SkAlphaType at, bool forceUpdate, bool doScale)
         : fColorType(ct)
         , fAlphaType(at)
         , fForceUpdate(forceUpdate)
-        , fIsVolatile(isVolatile)
         , fDoScale(doScale)
     {}
 
@@ -57,9 +55,6 @@
         if (fForceUpdate) {
             fName.append("_update");
         }
-        if (fIsVolatile) {
-            fName.append("_volatile");
-        }
 
         return fName.c_str();
     }
@@ -73,7 +68,6 @@
         this->onDrawIntoBitmap(bm);
 
         fBitmap = bm;
-    //    fBitmap.setIsVolatile(fIsVolatile);
     }
 
     void onDraw(int loops, SkCanvas* canvas) override {
@@ -146,9 +140,8 @@
     uint32_t    fFlags;
     SkString    fFullName;
 public:
-    FilterBitmapBench(SkColorType ct, SkAlphaType at,
-                      bool forceUpdate, bool isVolitile, uint32_t flags)
-        : INHERITED(ct, at, forceUpdate, isVolitile, false)
+    FilterBitmapBench(SkColorType ct, SkAlphaType at, bool forceUpdate, uint32_t flags)
+        : INHERITED(ct, at, forceUpdate, false)
         , fFlags(flags) {
     }
 
@@ -222,9 +215,8 @@
     SkString    fFullName;
     SourceAlpha fSourceAlpha;
 public:
-    SourceAlphaBitmapBench(SourceAlpha alpha, SkColorType ct,
-                bool forceUpdate = false, bool bitmapVolatile = false)
-        : INHERITED(ct, kPremul_SkAlphaType, forceUpdate, bitmapVolatile, false)
+    SourceAlphaBitmapBench(SourceAlpha alpha, SkColorType ct, bool forceUpdate = false)
+        : INHERITED(ct, kPremul_SkAlphaType, forceUpdate, false)
         , fSourceAlpha(alpha) {
     }
 
@@ -301,31 +293,31 @@
     typedef BitmapBench INHERITED;
 };
 
-DEF_BENCH( return new BitmapBench(kN32_SkColorType, kPremul_SkAlphaType, false, false, false); )
-DEF_BENCH( return new BitmapBench(kN32_SkColorType, kOpaque_SkAlphaType, false, false, false); )
-DEF_BENCH( return new BitmapBench(kN32_SkColorType, kOpaque_SkAlphaType, false, false, true); )
-DEF_BENCH( return new BitmapBench(kRGB_565_SkColorType, kOpaque_SkAlphaType, false, false, false); )
-DEF_BENCH( return new BitmapBench(kN32_SkColorType, kOpaque_SkAlphaType, true, true, false); )
-DEF_BENCH( return new BitmapBench(kN32_SkColorType, kOpaque_SkAlphaType, true, false, false); )
+DEF_BENCH( return new BitmapBench(kN32_SkColorType, kPremul_SkAlphaType, false, false); )
+DEF_BENCH( return new BitmapBench(kN32_SkColorType, kOpaque_SkAlphaType, false, false); )
+DEF_BENCH( return new BitmapBench(kN32_SkColorType, kOpaque_SkAlphaType, false, true); )
+DEF_BENCH( return new BitmapBench(kRGB_565_SkColorType, kOpaque_SkAlphaType, false, false); )
+DEF_BENCH( return new BitmapBench(kN32_SkColorType, kOpaque_SkAlphaType, true, false); )
+DEF_BENCH( return new BitmapBench(kN32_SkColorType, kOpaque_SkAlphaType, true, false); )
 
 // scale filter -> S32_opaque_D32_filter_DX_{SSE2,SSSE3} and Fact9 is also for S32_D16_filter_DX_SSE2
-DEF_BENCH( return new FilterBitmapBench(kN32_SkColorType, kPremul_SkAlphaType, false, false, kScale_Flag | kBilerp_Flag); )
-DEF_BENCH( return new FilterBitmapBench(kN32_SkColorType, kOpaque_SkAlphaType, false, false, kScale_Flag | kBilerp_Flag); )
-DEF_BENCH( return new FilterBitmapBench(kN32_SkColorType, kOpaque_SkAlphaType, true, true, kScale_Flag | kBilerp_Flag); )
-DEF_BENCH( return new FilterBitmapBench(kN32_SkColorType, kOpaque_SkAlphaType, true, false, kScale_Flag | kBilerp_Flag); )
+DEF_BENCH( return new FilterBitmapBench(kN32_SkColorType, kPremul_SkAlphaType, false, kScale_Flag | kBilerp_Flag); )
+DEF_BENCH( return new FilterBitmapBench(kN32_SkColorType, kOpaque_SkAlphaType, false, kScale_Flag | kBilerp_Flag); )
+DEF_BENCH( return new FilterBitmapBench(kN32_SkColorType, kOpaque_SkAlphaType, true, kScale_Flag | kBilerp_Flag); )
+DEF_BENCH( return new FilterBitmapBench(kN32_SkColorType, kOpaque_SkAlphaType, true, kScale_Flag | kBilerp_Flag); )
 
 // The following two cases test the performance regression of b/70172912 .
-DEF_BENCH( return new FilterBitmapBench(kRGB_565_SkColorType, kOpaque_SkAlphaType, false, false, kScale_Flag | kBilerp_Flag); )
-DEF_BENCH( return new BitmapBench(kRGB_565_SkColorType, kOpaque_SkAlphaType, false, false, true); )
+DEF_BENCH( return new FilterBitmapBench(kRGB_565_SkColorType, kOpaque_SkAlphaType, false, kScale_Flag | kBilerp_Flag); )
+DEF_BENCH( return new BitmapBench(kRGB_565_SkColorType, kOpaque_SkAlphaType, false, true); )
 
 // scale rotate filter -> S32_opaque_D32_filter_DXDY_{SSE2,SSSE3}
-DEF_BENCH( return new FilterBitmapBench(kN32_SkColorType, kPremul_SkAlphaType, false, false, kScale_Flag | kRotate_Flag | kBilerp_Flag); )
-DEF_BENCH( return new FilterBitmapBench(kN32_SkColorType, kOpaque_SkAlphaType, false, false, kScale_Flag | kRotate_Flag | kBilerp_Flag); )
-DEF_BENCH( return new FilterBitmapBench(kN32_SkColorType, kOpaque_SkAlphaType, true, true, kScale_Flag | kRotate_Flag | kBilerp_Flag); )
-DEF_BENCH( return new FilterBitmapBench(kN32_SkColorType, kOpaque_SkAlphaType, true, false, kScale_Flag | kRotate_Flag | kBilerp_Flag); )
+DEF_BENCH( return new FilterBitmapBench(kN32_SkColorType, kPremul_SkAlphaType, false, kScale_Flag | kRotate_Flag | kBilerp_Flag); )
+DEF_BENCH( return new FilterBitmapBench(kN32_SkColorType, kOpaque_SkAlphaType, false, kScale_Flag | kRotate_Flag | kBilerp_Flag); )
+DEF_BENCH( return new FilterBitmapBench(kN32_SkColorType, kOpaque_SkAlphaType, true, kScale_Flag | kRotate_Flag | kBilerp_Flag); )
+DEF_BENCH( return new FilterBitmapBench(kN32_SkColorType, kOpaque_SkAlphaType, true, kScale_Flag | kRotate_Flag | kBilerp_Flag); )
 
-DEF_BENCH( return new FilterBitmapBench(kN32_SkColorType, kPremul_SkAlphaType, false, false, kScale_Flag | kBilerp_Flag | kBicubic_Flag); )
-DEF_BENCH( return new FilterBitmapBench(kN32_SkColorType, kPremul_SkAlphaType, false, false, kScale_Flag | kRotate_Flag | kBilerp_Flag | kBicubic_Flag); )
+DEF_BENCH( return new FilterBitmapBench(kN32_SkColorType, kPremul_SkAlphaType, false, kScale_Flag | kBilerp_Flag | kBicubic_Flag); )
+DEF_BENCH( return new FilterBitmapBench(kN32_SkColorType, kPremul_SkAlphaType, false, kScale_Flag | kRotate_Flag | kBilerp_Flag | kBicubic_Flag); )
 
 // source alpha tests -> S32A_Opaque_BlitRow32_{arm,neon}
 DEF_BENCH( return new SourceAlphaBitmapBench(SourceAlphaBitmapBench::kOpaque_SourceAlpha, kN32_SkColorType); )
diff --git a/docs/examples/Bitmap_isVolatile.cpp b/docs/examples/Bitmap_isVolatile.cpp
deleted file mode 100644
index f3a9f10..0000000
--- a/docs/examples/Bitmap_isVolatile.cpp
+++ /dev/null
@@ -1,17 +0,0 @@
-// Copyright 2019 Google LLC.
-// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
-#include "tools/fiddle/examples.h"
-// HASH=23c4543ac6cdd0e8fe762816a0dc2e03
-REG_FIDDLE(Bitmap_isVolatile, 256, 256, true, 0) {
-void draw(SkCanvas* canvas) {
-    SkBitmap original;
-    SkImageInfo info = SkImageInfo::Make(25, 35, kRGBA_8888_SkColorType, kOpaque_SkAlphaType);
-    if (original.tryAllocPixels(info)) {
-    //    original.setIsVolatile(true);
-        SkBitmap copy;
-        original.extractSubset(&copy, {5, 10, 15, 20});
-   //     SkDebugf("original is " "%s" "volatile\n", original.isVolatile() ? "" : "not ");
-        SkDebugf("copy is " "%s" "volatile\n", copy.isImmutable() ? "" : "not ");
-    }
-}
-}  // END FIDDLE
diff --git a/docs/examples/Bitmap_setIsVolatile.cpp b/docs/examples/Bitmap_setIsVolatile.cpp
deleted file mode 100644
index 798d00f..0000000
--- a/docs/examples/Bitmap_setIsVolatile.cpp
+++ /dev/null
@@ -1,19 +0,0 @@
-// Copyright 2019 Google LLC.
-// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
-#include "tools/fiddle/examples.h"
-// HASH=e8627a4df659b896402f89a91326618f
-REG_FIDDLE(Bitmap_setIsVolatile, 256, 20, false, 0) {
-void draw(SkCanvas* canvas) {
-    SkBitmap bitmap;
-    bitmap.setInfo(SkImageInfo::Make(1, 1, kRGBA_8888_SkColorType, kOpaque_SkAlphaType));
-    bitmap.allocPixels();
-    bitmap.eraseColor(SK_ColorRED);
-    canvas->scale(16, 16);
-    canvas->drawBitmap(bitmap, 0, 0);
-    *(SkPMColor*) bitmap.getPixels() = SkPreMultiplyColor(SK_ColorBLUE);
-    canvas->drawBitmap(bitmap, 2, 0);
- //   bitmap.setIsVolatile(true);
-    *(SkPMColor*) bitmap.getPixels() = SkPreMultiplyColor(SK_ColorGREEN);
-    canvas->drawBitmap(bitmap, 4, 0);
-}
-}  // END FIDDLE
diff --git a/include/core/SkBitmap.h b/include/core/SkBitmap.h
index e3b9296..12b90c6 100644
--- a/include/core/SkBitmap.h
+++ b/include/core/SkBitmap.h
@@ -48,6 +48,9 @@
 public:
     class SK_API Allocator;
 
+    // temporary, waiting to update call-sites
+    bool isVolatile() const { return false; }
+
     /** Creates an empty SkBitmap without pixels, with kUnknown_SkColorType,
         kUnknown_SkAlphaType, and with a width and height of zero. SkPixelRef origin is
         set to (0, 0). SkBitmap is not volatile.
diff --git a/samplecode/SampleAAGeometry.cpp b/samplecode/SampleAAGeometry.cpp
index 02d0d97..8eb82b9 100644
--- a/samplecode/SampleAAGeometry.cpp
+++ b/samplecode/SampleAAGeometry.cpp
@@ -1315,7 +1315,6 @@
 
     static uint8_t* set_up_dist_map(const SkImageInfo& imageInfo, SkBitmap* distMap) {
         distMap->setInfo(imageInfo);
-   //     distMap->setIsVolatile(true);
         SkAssertResult(distMap->tryAllocPixels());
         SkASSERT((int) distMap->rowBytes() == imageInfo.width());
         return distMap->getAddr8(0, 0);
diff --git a/src/core/SkPixmap.cpp b/src/core/SkPixmap.cpp
index eaea378..a31db4d 100644
--- a/src/core/SkPixmap.cpp
+++ b/src/core/SkPixmap.cpp
@@ -232,7 +232,6 @@
         return false;
     }
     bitmap.setImmutable();        // Don't copy when we create an image.
- //   bitmap.setIsVolatile(true);   // Disable any caching.
 
     SkMatrix scale = SkMatrix::MakeRectToRect(SkRect::Make(src.bounds()),
                                               SkRect::Make(dst.bounds()),
diff --git a/src/gpu/GrBitmapTextureMaker.cpp b/src/gpu/GrBitmapTextureMaker.cpp
index 566621d..62b1308 100644
--- a/src/gpu/GrBitmapTextureMaker.cpp
+++ b/src/gpu/GrBitmapTextureMaker.cpp
@@ -46,7 +46,7 @@
         , fBudgeted(cachePolicy == GrImageTexGenPolicy::kNew_Uncached_Unbudgeted
                             ? SkBudgeted::kNo
                             : SkBudgeted::kYes) {
-    if (/*!bitmap.isVolatile() && */ cachePolicy == GrImageTexGenPolicy::kDraw) {
+    if (cachePolicy == GrImageTexGenPolicy::kDraw) {
         SkIPoint origin = bitmap.pixelRefOrigin();
         SkIRect subset = SkIRect::MakeXYWH(origin.fX, origin.fY, bitmap.width(),
                                            bitmap.height());
diff --git a/tests/BitmapCopyTest.cpp b/tests/BitmapCopyTest.cpp
index b343c66..e98597f 100644
--- a/tests/BitmapCopyTest.cpp
+++ b/tests/BitmapCopyTest.cpp
@@ -91,13 +91,11 @@
         // Extract a subset which has the same width as the original. This
         // catches a bug where we cloned the genID incorrectly.
         r.setLTRB(0, 1, W, 3);
-   //     bitmap.setIsVolatile(true);
         // Relies on old behavior of extractSubset failing if colortype is unknown
         if (kUnknown_SkColorType != bitmap.colorType() && bitmap.extractSubset(&subset, r)) {
             REPORTER_ASSERT(reporter, subset.width() == W);
             REPORTER_ASSERT(reporter, subset.height() == 2);
             REPORTER_ASSERT(reporter, subset.alphaType() == bitmap.alphaType());
-    //        REPORTER_ASSERT(reporter, subset.isVolatile() == true);
 
             // Test copying an extracted subset.
             for (size_t j = 0; j < SK_ARRAY_COUNT(gPairs); j++) {
@@ -120,10 +118,8 @@
         }
 
         bitmap = srcPremul;
-  //      bitmap.setIsVolatile(false);
         if (bitmap.extractSubset(&subset, r)) {
             REPORTER_ASSERT(reporter, subset.alphaType() == bitmap.alphaType());
-   //         REPORTER_ASSERT(reporter, subset.isVolatile() == false);
         }
     }
 }
diff --git a/tools/fiddle/all_examples.cpp b/tools/fiddle/all_examples.cpp
index 3850ee0..ff0328e 100644
--- a/tools/fiddle/all_examples.cpp
+++ b/tools/fiddle/all_examples.cpp
@@ -54,7 +54,6 @@
 #include "../../docs/examples/Bitmap_isImmutable.cpp"
 #include "../../docs/examples/Bitmap_isNull.cpp"
 #include "../../docs/examples/Bitmap_isOpaque.cpp"
-#include "../../docs/examples/Bitmap_isVolatile.cpp"
 #include "../../docs/examples/Bitmap_move_SkBitmap.cpp"
 #include "../../docs/examples/Bitmap_move_operator.cpp"
 #include "../../docs/examples/Bitmap_notifyPixelsChanged.cpp"
@@ -73,7 +72,6 @@
 #include "../../docs/examples/Bitmap_setAlphaType.cpp"
 #include "../../docs/examples/Bitmap_setImmutable.cpp"
 #include "../../docs/examples/Bitmap_setInfo.cpp"
-#include "../../docs/examples/Bitmap_setIsVolatile.cpp"
 #include "../../docs/examples/Bitmap_setPixelRef.cpp"
 #include "../../docs/examples/Bitmap_setPixels.cpp"
 #include "../../docs/examples/Bitmap_shiftPerPixel.cpp"