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Only store width and height on SkPixelRef

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Bug: skia:6535
Change-Id: Id91e8d1e82f593be7d4b23ca5abde752f2666a77
Reviewed-on: https://skia-review.googlesource.com/14105
Commit-Queue: Matt Sarett <msarett@google.com>
Reviewed-by: Mike Reed <reed@google.com>
This commit is contained in:
Matt Sarett 2017-04-27 16:52:29 -04:00 committed by Skia Commit-Bot
parent 0122af08f6
commit 2cbb6662e3
11 changed files with 108 additions and 83 deletions
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1
gn/android_framework_defines.gni
View File

@ -9,6 +9,7 @@ android_framework_defines = [
"SK_IGNORE_LINEONLY_AA_CONVEX_PATH_OPTS",
"SK_SUPPORT_LEGACY_GRADIENT_DITHERING",
"SK_SUPPORT_LEGACY_DRAWFILTER",
"SK_SUPPORT_LEGACY_PIXELREF_API",
"SK_IGNORE_GPU_DITHER",
"SK_SUPPORT_LEGACY_SHADER_ISABITMAP",
"SK_SUPPORT_LEGACY_EMBOSSMASKFILTER",

2
include/core/SkMallocPixelRef.h
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@ -78,8 +78,6 @@ public:
protected:
~SkMallocPixelRef() override;
size_t getAllocatedSizeInBytes() const override;
private:
// Uses alloc to implement NewAllocate or NewZeroed.
static sk_sp<SkPixelRef> MakeUsing(void*(*alloc)(size_t),

59
include/core/SkPixelRef.h
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@ -32,13 +32,42 @@ class SkDiscardableMemory;
*/
class SK_API SkPixelRef : public SkRefCnt {
public:
#ifdef SK_SUPPORT_LEGACY_PIXELREF_API
SkPixelRef(const SkImageInfo&, void* addr, size_t rowBytes, sk_sp<SkColorTable> = nullptr);
~SkPixelRef() override;
const SkImageInfo& info() const {
return fInfo;
}
#ifdef SK_BUILD_FOR_ANDROID_FRAMEWORK
// This is undefined if there are clients in-flight trying to use us
void android_only_reset(const SkImageInfo&, size_t rowBytes, sk_sp<SkColorTable>);
#endif
/**
* Change the info's AlphaType. Note that this does not automatically
* invalidate the generation ID. If the pixel values themselves have
* changed, then you must explicitly call notifyPixelsChanged() as well.
*/
void changeAlphaType(SkAlphaType at);
/**
* Returns the size (in bytes) of the internally allocated memory.
* This should be implemented in all serializable SkPixelRef derived classes.
* SkBitmap::fPixelRefOffset + SkBitmap::getSafeSize() should never overflow this value,
* otherwise the rendering code may attempt to read memory out of bounds.
*
* @return default impl returns 0.
*/
virtual size_t getAllocatedSizeInBytes() const { return 0; }
#endif
SkPixelRef(int width, int height, void* addr, size_t rowBytes, sk_sp<SkColorTable> = nullptr);
~SkPixelRef() override;
int width() const { return fInfo.width(); }
int height() const { return fInfo.height(); }
void* pixels() const { return fPixels; }
SkColorTable* colorTable() const { return fCTable.get(); }
size_t rowBytes() const { return fRowBytes; }
@ -68,13 +97,6 @@ public:
*/
void notifyPixelsChanged();
/**
* Change the info's AlphaType. Note that this does not automatically
* invalidate the generation ID. If the pixel values themselves have
* changed, then you must explicitly call notifyPixelsChanged() as well.
*/
void changeAlphaType(SkAlphaType at);
/** Returns true if this pixelref is marked as immutable, meaning that the
contents of its pixels will not change for the lifetime of the pixelref.
*/
@ -114,27 +136,18 @@ protected:
// default impl does nothing.
virtual void onNotifyPixelsChanged();
/**
* Returns the size (in bytes) of the internally allocated memory.
* This should be implemented in all serializable SkPixelRef derived classes.
* SkBitmap::fPixelRefOffset + SkBitmap::getSafeSize() should never overflow this value,
* otherwise the rendering code may attempt to read memory out of bounds.
*
* @return default impl returns 0.
*/
virtual size_t getAllocatedSizeInBytes() const;
#ifdef SK_BUILD_FOR_ANDROID_FRAMEWORK
// This is undefined if there are clients in-flight trying to use us
void android_only_reset(const SkImageInfo&, size_t rowBytes, sk_sp<SkColorTable>);
void android_only_reset(int width, int height, size_t rowBytes, sk_sp<SkColorTable>);
#endif
private:
// mostly const. fInfo.fAlpahType can be changed at runtime.
const SkImageInfo fInfo;
// TODO (msarett): After we remove legacy APIs, we should replace |fInfo| with just a width
// and height.
const SkImageInfo fInfo;
sk_sp<SkColorTable> fCTable;
void* fPixels;
size_t fRowBytes;
void* fPixels;
size_t fRowBytes;
// Bottom bit indicates the Gen ID is unique.
bool genIDIsUnique() const { return SkToBool(fTaggedGenID.load() & 1); }

2
public.bzl
View File

@ -654,8 +654,10 @@ DEFINES_ALL = [
# Turn on a few Google3-specific build fixes.
"GOOGLE3",
# Staging flags for API changes
"SK_SUPPORT_LEGACY_PIXELREF_API",
# Temporarily Disable analytic AA for Google3
"SK_NO_ANALYTIC_AA",
]
################################################################################

38
src/core/SkBitmap.cpp
View File

@ -171,9 +171,6 @@ bool SkBitmap::setAlphaType(SkAlphaType newAlphaType) {
}
if (fInfo.alphaType() != newAlphaType) {
fInfo = fInfo.makeAlphaType(newAlphaType);
if (fPixelRef) {
fPixelRef->changeAlphaType(newAlphaType);
}
}
SkDEBUGCODE(this->validate();)
return true;
@ -198,32 +195,15 @@ void SkBitmap::setPixelRef(sk_sp<SkPixelRef> pr, int dx, int dy) {
#ifdef SK_DEBUG
if (pr) {
if (kUnknown_SkColorType != fInfo.colorType()) {
const SkImageInfo& prInfo = pr->info();
SkASSERT(fInfo.width() <= prInfo.width());
SkASSERT(fInfo.height() <= prInfo.height());
SkASSERT(fInfo.colorType() == prInfo.colorType());
switch (prInfo.alphaType()) {
case kUnknown_SkAlphaType:
SkASSERT(fInfo.alphaType() == kUnknown_SkAlphaType);
break;
case kOpaque_SkAlphaType:
case kPremul_SkAlphaType:
SkASSERT(fInfo.alphaType() == kOpaque_SkAlphaType ||
fInfo.alphaType() == kPremul_SkAlphaType);
break;
case kUnpremul_SkAlphaType:
SkASSERT(fInfo.alphaType() == kOpaque_SkAlphaType ||
fInfo.alphaType() == kUnpremul_SkAlphaType);
break;
}
SkASSERT(fInfo.width() <= pr->width());
SkASSERT(fInfo.height() <= pr->height());
}
}
#endif
fPixelRef = std::move(pr);
if (fPixelRef) {
const SkImageInfo& info = fPixelRef->info();
fPixelRefOrigin.set(SkTPin(dx, 0, info.width()), SkTPin(dy, 0, info.height()));
fPixelRefOrigin.set(SkTPin(dx, 0, fPixelRef->width()), SkTPin(dy, 0, fPixelRef->height()));
this->updatePixelsFromRef();
} else {
// ignore dx,dy if there is no pixelref
@ -677,9 +657,9 @@ bool SkBitmap::internalCopyTo(SkBitmap* dst, SkColorType dstColorType, Allocator
// if (src_pixelref->info == dst_pixelref->info)
//
if (srcPM.colorType() == dstColorType && tmpDst.getSize() == srcPM.getSize64()) {
SkPixelRef* dstPixelRef = tmpDst.pixelRef();
if (dstPixelRef->info() == fPixelRef->info()) {
dstPixelRef->cloneGenID(*fPixelRef);
if (tmpDst.info() == this->info() && tmpDst.pixelRef()->width() == fPixelRef->width() &&
tmpDst.pixelRef()->height() == fPixelRef->height()) {
tmpDst.pixelRef()->cloneGenID(*fPixelRef);
}
}
@ -916,7 +896,7 @@ bool SkBitmap::ReadRawPixels(SkReadBuffer* buffer, SkBitmap* bitmap) {
if (!pr) {
return false;
}
bitmap->setInfo(pr->info());
bitmap->setInfo(info);
bitmap->setPixelRef(std::move(pr), 0, 0);
return true;
}
@ -956,8 +936,8 @@ void SkBitmap::validate() const {
SkASSERT(fPixelRef->rowBytes() == fRowBytes);
SkASSERT(fPixelRefOrigin.fX >= 0);
SkASSERT(fPixelRefOrigin.fY >= 0);
SkASSERT(fPixelRef->info().width() >= (int)this->width() + fPixelRefOrigin.fX);
SkASSERT(fPixelRef->info().height() >= (int)this->height() + fPixelRefOrigin.fY);
SkASSERT(fPixelRef->width() >= (int)this->width() + fPixelRefOrigin.fX);
SkASSERT(fPixelRef->height() >= (int)this->height() + fPixelRefOrigin.fY);
SkASSERT(fPixelRef->rowBytes() >= fInfo.minRowBytes());
}
}

6
src/core/SkMallocPixelRef.cpp
View File

@ -156,7 +156,7 @@ SkMallocPixelRef::SkMallocPixelRef(const SkImageInfo& info, void* storage,
size_t rowBytes, sk_sp<SkColorTable> ctable,
SkMallocPixelRef::ReleaseProc proc,
void* context)
: INHERITED(info, storage, rowBytes, sanitize(info, std::move(ctable)))
: INHERITED(info.width(), info.height(), storage, rowBytes, sanitize(info, std::move(ctable)))
, fReleaseProc(proc)
, fReleaseProcContext(context)
{}
@ -167,7 +167,3 @@ SkMallocPixelRef::~SkMallocPixelRef() {
fReleaseProc(this->pixels(), fReleaseProcContext);
}
}
size_t SkMallocPixelRef::getAllocatedSizeInBytes() const {
return this->info().getSafeSize(this->rowBytes());
}

55
src/core/SkPixelRef.cpp
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@ -26,6 +26,12 @@ uint32_t SkNextID::ImageID() {
///////////////////////////////////////////////////////////////////////////////
#ifdef SK_TRACE_PIXELREF_LIFETIME
static int32_t gInstCounter;
#endif
#ifdef SK_SUPPORT_LEGACY_PIXELREF_API
static SkImageInfo validate_info(const SkImageInfo& info) {
SkAlphaType newAlphaType = info.alphaType();
SkAssertResult(SkColorTypeValidateAlphaType(info.colorType(), info.alphaType(), &newAlphaType));
@ -43,10 +49,6 @@ static void validate_pixels_ctable(const SkImageInfo& info, const SkColorTable*
}
}
#ifdef SK_TRACE_PIXELREF_LIFETIME
static int32_t gInstCounter;
#endif
SkPixelRef::SkPixelRef(const SkImageInfo& info, void* pixels, size_t rowBytes,
sk_sp<SkColorTable> ctable)
: fInfo(validate_info(info))
@ -68,6 +70,27 @@ SkPixelRef::SkPixelRef(const SkImageInfo& info, void* pixels, size_t rowBytes,
fAddedToCache.store(false);
}
#endif
SkPixelRef::SkPixelRef(int width, int height, void* pixels, size_t rowBytes,
sk_sp<SkColorTable> ctable)
: fInfo(SkImageInfo::MakeUnknown(width, height))
, fCTable(std::move(ctable))
, fPixels(pixels)
, fRowBytes(rowBytes)
#ifdef SK_BUILD_FOR_ANDROID_FRAMEWORK
, fStableID(SkNextID::ImageID())
#endif
{
#ifdef SK_TRACE_PIXELREF_LIFETIME
SkDebugf(" pixelref %d\n", sk_atomic_inc(&gInstCounter));
#endif
this->needsNewGenID();
fMutability = kMutable;
fAddedToCache.store(false);
}
SkPixelRef::~SkPixelRef() {
#ifdef SK_TRACE_PIXELREF_LIFETIME
SkDebugf("~pixelref %d\n", sk_atomic_dec(&gInstCounter) - 1);
@ -76,11 +99,11 @@ SkPixelRef::~SkPixelRef() {
}
#ifdef SK_BUILD_FOR_ANDROID_FRAMEWORK
#ifdef SK_SUPPORT_LEGACY_PIXELREF_API
// This is undefined if there are clients in-flight trying to use us
void SkPixelRef::android_only_reset(const SkImageInfo& info, size_t rowBytes,
sk_sp<SkColorTable> ctable) {
validate_pixels_ctable(info, ctable.get());
*const_cast<SkImageInfo*>(&fInfo) = info;
fRowBytes = rowBytes;
fCTable = std::move(ctable);
@ -91,6 +114,20 @@ void SkPixelRef::android_only_reset(const SkImageInfo& info, size_t rowBytes,
}
#endif
// This is undefined if there are clients in-flight trying to use us
void SkPixelRef::android_only_reset(int width, int height, size_t rowBytes,
sk_sp<SkColorTable> ctable) {
*const_cast<SkImageInfo*>(&fInfo) = fInfo.makeWH(width, height);
fRowBytes = rowBytes;
fCTable = std::move(ctable);
// note: we do not change fPixels
// conservative, since its possible the "new" settings are the same as the old.
this->notifyPixelsChanged();
}
#endif
void SkPixelRef::needsNewGenID() {
fTaggedGenID.store(0);
SkASSERT(!this->genIDIsUnique()); // This method isn't threadsafe, so the assert should be fine.
@ -163,9 +200,11 @@ void SkPixelRef::notifyPixelsChanged() {
this->onNotifyPixelsChanged();
}
#ifdef SK_SUPPORT_LEGACY_PIXELREF_API
void SkPixelRef::changeAlphaType(SkAlphaType at) {
*const_cast<SkImageInfo*>(&fInfo) = fInfo.makeAlphaType(at);
}
#endif
void SkPixelRef::setImmutable() {
fMutability = kImmutable;
@ -193,7 +232,3 @@ void SkPixelRef::restoreMutability() {
}
void SkPixelRef::onNotifyPixelsChanged() { }
size_t SkPixelRef::getAllocatedSizeInBytes() const {
return 0;
}

11
src/core/SkSpecialSurface.cpp
View File

@ -63,12 +63,11 @@ sk_sp<SkSpecialImage> SkSpecialSurface::makeImageSnapshot() {
class SkSpecialSurface_Raster : public SkSpecialSurface_Base {
public:
SkSpecialSurface_Raster(sk_sp<SkPixelRef> pr,
SkSpecialSurface_Raster(const SkImageInfo& info,
sk_sp<SkPixelRef> pr,
const SkIRect& subset,
const SkSurfaceProps* props)
: INHERITED(subset, props) {
const SkImageInfo& info = pr->info();
fBitmap.setInfo(info, info.minRowBytes());
fBitmap.setPixelRef(std::move(pr), 0, 0);
@ -93,7 +92,7 @@ private:
sk_sp<SkSpecialSurface> SkSpecialSurface::MakeFromBitmap(const SkIRect& subset, SkBitmap& bm,
const SkSurfaceProps* props) {
return sk_make_sp<SkSpecialSurface_Raster>(sk_ref_sp(bm.pixelRef()), subset, props);
return sk_make_sp<SkSpecialSurface_Raster>(bm.info(), sk_ref_sp(bm.pixelRef()), subset, props);
}
sk_sp<SkSpecialSurface> SkSpecialSurface::MakeRaster(const SkImageInfo& info,
@ -103,9 +102,9 @@ sk_sp<SkSpecialSurface> SkSpecialSurface::MakeRaster(const SkImageInfo& info,
return nullptr;
}
const SkIRect subset = SkIRect::MakeWH(pr->info().width(), pr->info().height());
const SkIRect subset = SkIRect::MakeWH(info.width(), info.height());
return sk_make_sp<SkSpecialSurface_Raster>(std::move(pr), subset, props);
return sk_make_sp<SkSpecialSurface_Raster>(info, std::move(pr), subset, props);
}
#if SK_SUPPORT_GPU

2
src/image/SkImage_Raster.cpp
View File

@ -28,7 +28,7 @@
// fixes https://bug.skia.org/5096
static bool is_not_subset(const SkBitmap& bm) {
SkASSERT(bm.pixelRef());
SkISize dim = bm.pixelRef()->info().dimensions();
SkISize dim = SkISize::Make(bm.pixelRef()->width(), bm.pixelRef()->height());
SkASSERT(dim != bm.dimensions() || bm.pixelRefOrigin().isZero());
return dim == bm.dimensions();
}

11
src/image/SkSurface_Raster.cpp
View File

@ -20,7 +20,7 @@ public:
SkSurface_Raster(const SkImageInfo&, void*, size_t rb,
void (*releaseProc)(void* pixels, void* context), void* context,
const SkSurfaceProps*);
SkSurface_Raster(sk_sp<SkPixelRef>, const SkSurfaceProps*);
SkSurface_Raster(const SkImageInfo& info, sk_sp<SkPixelRef>, const SkSurfaceProps*);
SkCanvas* onNewCanvas() override;
sk_sp<SkSurface> onNewSurface(const SkImageInfo&) override;
@ -108,11 +108,10 @@ SkSurface_Raster::SkSurface_Raster(const SkImageInfo& info, void* pixels, size_t
fWeOwnThePixels = false; // We are "Direct"
}
SkSurface_Raster::SkSurface_Raster(sk_sp<SkPixelRef> pr, const SkSurfaceProps* props)
: INHERITED(pr->info().width(), pr->info().height(), props)
SkSurface_Raster::SkSurface_Raster(const SkImageInfo& info, sk_sp<SkPixelRef> pr,
const SkSurfaceProps* props)
: INHERITED(pr->width(), pr->height(), props)
{
const SkImageInfo& info = pr->info();
fBitmap.setInfo(info, pr->rowBytes());
fRowBytes = pr->rowBytes(); // we track this, so that subsequent re-allocs will match
fBitmap.setPixelRef(std::move(pr), 0, 0);
@ -215,5 +214,5 @@ sk_sp<SkSurface> SkSurface::MakeRaster(const SkImageInfo& info, size_t rowBytes,
if (rowBytes) {
SkASSERT(pr->rowBytes() == rowBytes);
}
return sk_make_sp<SkSurface_Raster>(std::move(pr), props);
return sk_make_sp<SkSurface_Raster>(info, std::move(pr), props);
}

4
src/pdf/SkPDFDevice.cpp
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@ -106,7 +106,9 @@ static SkImageSubset make_image_subset(const SkBitmap& bitmap) {
SkIRect subset = bitmap.getSubset();
SkASSERT(bitmap.pixelRef());
SkBitmap tmp;
tmp.setInfo(bitmap.pixelRef()->info(), bitmap.rowBytes());
SkImageInfo pixelRefInfo =
bitmap.info().makeWH(bitmap.pixelRef()->width(), bitmap.pixelRef()->height());
tmp.setInfo(pixelRefInfo, bitmap.rowBytes());
tmp.setPixelRef(sk_ref_sp(bitmap.pixelRef()), 0, 0);
auto img = SkImage::MakeFromBitmap(tmp);
if (img) {