Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 0c5bedf9 authored by John Reck's avatar John Reck Committed by Automerger Merge Worker
Browse files

Merge "Fix gainmap size for recycled inBitmap in BRD" into udc-dev am: fae64dda am: 78c7b01d 

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23750366



Change-Id: I26bf6d91222bf6d5f16b521142ad20e7d0b0a95c
Signed-off-by: default avatarAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
parents bdef2781 78c7b01d

libs/hwui/jni/BitmapRegionDecoder.cpp

+44 −13
Original line number Diff line number Diff line
@@ -96,17 +96,33 @@ public: 
        sk_sp<SkColorSpace> decodeColorSpace =

                mGainmapBRD->computeOutputColorSpace(decodeColorType, nullptr);

        SkBitmap bm;

        HeapAllocator heapAlloc;

        if (!mGainmapBRD->decodeRegion(&bm, &heapAlloc, desiredSubset, sampleSize, decodeColorType,

                                       requireUnpremul, decodeColorSpace)) {

            ALOGE("Error decoding Gainmap region");

            return false;

        }

        sk_sp<Bitmap> nativeBitmap(heapAlloc.getStorageObjAndReset());

        // Because we must match the dimensions of the base bitmap, we always use a

        // recycling allocator even though we are allocating a new bitmap. This is to ensure

        // that if a recycled bitmap was used for the base image that we match the relative

        // dimensions of that base image. The behavior of BRD here is:

        // if inBitmap is specified -> output dimensions are always equal to the inBitmap's

        // if no bitmap is reused   -> output dimensions are the intersect of the desiredSubset &

        //                           the image bounds

        // The handling of the above conditionals are baked into the desiredSubset, so we

        // simply need to ensure that the resulting bitmap is the exact same width/height as

        // the specified desiredSubset regardless of the intersection to the image bounds.

        // kPremul_SkAlphaType is used just as a placeholder as it doesn't change the underlying

        // allocation type. RecyclingClippingPixelAllocator will populate this with the

        // actual alpha type in either allocPixelRef() or copyIfNecessary()

        sk_sp<Bitmap> nativeBitmap = Bitmap::allocateHeapBitmap(

                SkImageInfo::Make(desiredSubset.width(), desiredSubset.height(), decodeColorType,

                                  kPremul_SkAlphaType, decodeColorSpace));

        if (!nativeBitmap) {

            ALOGE("OOM allocating Bitmap for Gainmap");

            return false;

        }

        RecyclingClippingPixelAllocator allocator(nativeBitmap.get(), false);

        if (!mGainmapBRD->decodeRegion(&bm, &allocator, desiredSubset, sampleSize, decodeColorType,

                                       requireUnpremul, decodeColorSpace)) {

            ALOGE("Error decoding Gainmap region");

            return false;

        }

        allocator.copyIfNecessary();

        auto gainmap = sp<uirenderer::Gainmap>::make();

        if (!gainmap) {

            ALOGE("OOM allocating Gainmap");
@@ -238,13 +254,11 @@ static jobject nativeDecodeRegion(JNIEnv* env, jobject, jlong brdHandle, jint in 


    // Recycle a bitmap if possible.

    android::Bitmap* recycledBitmap = nullptr;

    size_t recycledBytes = 0;

    if (javaBitmap) {

        recycledBitmap = &bitmap::toBitmap(inBitmapHandle);

        if (recycledBitmap->isImmutable()) {

            ALOGW("Warning: Reusing an immutable bitmap as an image decoder target.");

        }

        recycledBytes = recycledBitmap->getAllocationByteCount();

    }



    auto* brd = reinterpret_cast<BitmapRegionDecoderWrapper*>(brdHandle);
@@ -263,7 +277,7 @@ static jobject nativeDecodeRegion(JNIEnv* env, jobject, jlong brdHandle, jint in 


    // Set up the pixel allocator

    skia::BRDAllocator* allocator = nullptr;

    RecyclingClippingPixelAllocator recycleAlloc(recycledBitmap, recycledBytes);

    RecyclingClippingPixelAllocator recycleAlloc(recycledBitmap);

    HeapAllocator heapAlloc;

    if (javaBitmap) {

        allocator = &recycleAlloc;
@@ -277,7 +291,7 @@ static jobject nativeDecodeRegion(JNIEnv* env, jobject, jlong brdHandle, jint in 
            decodeColorType, colorSpace);



    // Decode the region.

    SkIRect subset = SkIRect::MakeXYWH(inputX, inputY, inputWidth, inputHeight);

    const SkIRect subset = SkIRect::MakeXYWH(inputX, inputY, inputWidth, inputHeight);

    SkBitmap bitmap;

    if (!brd->decodeRegion(&bitmap, allocator, subset, sampleSize,

            decodeColorType, requireUnpremul, decodeColorSpace)) {
@@ -307,10 +321,27 @@ static jobject nativeDecodeRegion(JNIEnv* env, jobject, jlong brdHandle, jint in 
                GraphicsJNI::getColorSpace(env, decodeColorSpace.get(), decodeColorType));

    }



    if (javaBitmap) {

        recycleAlloc.copyIfNecessary();

    }



    sp<uirenderer::Gainmap> gainmap;

    bool hasGainmap = brd->hasGainmap();

    if (hasGainmap) {

        SkIRect gainmapSubset = brd->calculateGainmapRegion(subset);

        SkIRect adjustedSubset{};

        if (javaBitmap) {

            // Clamp to the width/height of the recycled bitmap in case the reused bitmap

            // was too small for the specified rectangle, in which case we need to clip

            adjustedSubset = SkIRect::MakeXYWH(inputX, inputY,

                                               std::min(subset.width(), recycledBitmap->width()),

                                               std::min(subset.height(), recycledBitmap->height()));

        } else {

            // We are not recycling, so use the decoded width/height for calculating the gainmap

            // subset instead to ensure the gainmap region proportionally matches

            adjustedSubset = SkIRect::MakeXYWH(std::max(0, inputX), std::max(0, inputY),

                                               bitmap.width(), bitmap.height());

        }

        SkIRect gainmapSubset = brd->calculateGainmapRegion(adjustedSubset);

        if (!brd->decodeGainmapRegion(&gainmap, gainmapSubset, sampleSize, requireUnpremul)) {

            // If there is an error decoding Gainmap - we don't fail. We just don't provide Gainmap

            hasGainmap = false;
@@ -319,7 +350,6 @@ static jobject nativeDecodeRegion(JNIEnv* env, jobject, jlong brdHandle, jint in 


    // If we may have reused a bitmap, we need to indicate that the pixels have changed.

    if (javaBitmap) {

        recycleAlloc.copyIfNecessary();

        if (hasGainmap) {

            recycledBitmap->setGainmap(std::move(gainmap));

        }
@@ -331,6 +361,7 @@ static jobject nativeDecodeRegion(JNIEnv* env, jobject, jlong brdHandle, jint in 
    if (!requireUnpremul) {

        bitmapCreateFlags |= android::bitmap::kBitmapCreateFlag_Premultiplied;

    }



    if (isHardware) {

        sk_sp<Bitmap> hardwareBitmap = Bitmap::allocateHardwareBitmap(bitmap);

        if (hasGainmap) {

libs/hwui/jni/Graphics.cpp

+20 −12
Original line number Diff line number Diff line
@@ -620,13 +620,13 @@ bool HeapAllocator::allocPixelRef(SkBitmap* bitmap) { 


////////////////////////////////////////////////////////////////////////////////



RecyclingClippingPixelAllocator::RecyclingClippingPixelAllocator(

        android::Bitmap* recycledBitmap, size_t recycledBytes)

RecyclingClippingPixelAllocator::RecyclingClippingPixelAllocator(android::Bitmap* recycledBitmap,

                                                                 bool mustMatchColorType)

        : mRecycledBitmap(recycledBitmap)

    , mRecycledBytes(recycledBytes)

        , mRecycledBytes(recycledBitmap ? recycledBitmap->getAllocationByteCount() : 0)

        , mSkiaBitmap(nullptr)

        , mNeedsCopy(false)

{}

        , mMustMatchColorType(mustMatchColorType) {}



RecyclingClippingPixelAllocator::~RecyclingClippingPixelAllocator() {}
@@ -637,11 +637,17 @@ bool RecyclingClippingPixelAllocator::allocPixelRef(SkBitmap* bitmap) { 
    LOG_ALWAYS_FATAL_IF(!bitmap);

    mSkiaBitmap = bitmap;



    if (mMustMatchColorType) {

        // This behaves differently than the RecyclingPixelAllocator.  For backwards

        // compatibility, the original color type of the recycled bitmap must be maintained.

        if (mRecycledBitmap->info().colorType() != bitmap->colorType()) {

            ALOGW("recycled color type %d != bitmap color type %d",

                  mRecycledBitmap->info().colorType(), bitmap->colorType());

            return false;

        }

    } else {

        mRecycledBitmap->reconfigure(mRecycledBitmap->info().makeColorType(bitmap->colorType()));

    }



    // The Skia bitmap specifies the width and height needed by the decoder.

    // mRecycledBitmap specifies the width and height of the bitmap that we
@@ -695,7 +701,7 @@ bool RecyclingClippingPixelAllocator::allocPixelRef(SkBitmap* bitmap) { 
void RecyclingClippingPixelAllocator::copyIfNecessary() {

    if (mNeedsCopy) {

        mRecycledBitmap->ref();

        SkPixelRef* recycledPixels = mRecycledBitmap;

        android::Bitmap* recycledPixels = mRecycledBitmap;

        void* dst = recycledPixels->pixels();

        const size_t dstRowBytes = mRecycledBitmap->rowBytes();

        const size_t bytesToCopy = std::min(mRecycledBitmap->info().minRowBytes(),
@@ -708,6 +714,8 @@ void RecyclingClippingPixelAllocator::copyIfNecessary() { 
            dst = reinterpret_cast<void*>(

                    reinterpret_cast<uint8_t*>(dst) + dstRowBytes);

        }

        recycledPixels->setAlphaType(mSkiaBitmap->alphaType());

        recycledPixels->setColorSpace(mSkiaBitmap->refColorSpace());

        recycledPixels->notifyPixelsChanged();

        recycledPixels->unref();

    }

libs/hwui/jni/GraphicsJNI.h

+2 −2
Original line number Diff line number Diff line
@@ -222,9 +222,8 @@ private: 
 */

class RecyclingClippingPixelAllocator : public android::skia::BRDAllocator {

public:



    RecyclingClippingPixelAllocator(android::Bitmap* recycledBitmap,

            size_t recycledBytes);

                                    bool mustMatchColorType = true);



    ~RecyclingClippingPixelAllocator();
@@ -252,6 +251,7 @@ private: 
    const size_t     mRecycledBytes;

    SkBitmap*        mSkiaBitmap;

    bool             mNeedsCopy;

    const bool mMustMatchColorType;

};



class AshmemPixelAllocator : public SkBitmap::Allocator {