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Commit 587fb57a authored by Sally Qi's avatar Sally Qi
Browse files

Support gainmap HW copy. 

- for Bitmap::allocateHardwareBitmap to create and upload a hardware
  version of the gainmap.

Bug: 267216439
Test: android.graphics.cts.BitmapFactoryTest,
android.graphics.cts.BitmapRegionDecoderTest,
android.graphics.cts.ImageDecoderTest, android.graphics.cts.GainmapTest

Change-Id: Ie080896425dc82a605b2bc41e97ddc2420f5328a
parent 5a0ac4f8

libs/hwui/Android.bp

+1 −0
Original line number Diff line number Diff line
@@ -537,6 +537,7 @@ cc_defaults { 
        "AnimatorManager.cpp",

        "CanvasTransform.cpp",

        "DamageAccumulator.cpp",

        "Gainmap.cpp",

        "Interpolator.cpp",

        "LightingInfo.cpp",

        "Matrix.cpp",

libs/hwui/Gainmap.cpp

0 → 100644
+32 −0
Original line number Diff line number Diff line 
/**

 * Copyright (C) 2023 The Android Open Source Project

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *      http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

#include "Gainmap.h"



namespace android::uirenderer {



sp<Gainmap> Gainmap::allocateHardwareGainmap(const sp<Gainmap>& srcGainmap) {

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

    gainmap->info = srcGainmap->info;

    const SkBitmap skSrcBitmap = srcGainmap->bitmap->getSkBitmap();

    sk_sp<Bitmap> skBitmap(Bitmap::allocateHardwareBitmap(skSrcBitmap));

    if (!skBitmap.get()) {

        return nullptr;

    }

    gainmap->bitmap = std::move(skBitmap);

    return gainmap;

}



}  // namespace android::uirenderer
 
 No newline at end of file

libs/hwui/Gainmap.h

+1 −0
Original line number Diff line number Diff line
@@ -27,6 +27,7 @@ class Gainmap : public LightRefBase<Gainmap> { 
public:

    SkGainmapInfo info;

    sk_sp<Bitmap> bitmap;

    static sp<Gainmap> allocateHardwareGainmap(const sp<Gainmap>& srcGainmap);

};



}  // namespace android::uirenderer

libs/hwui/jni/Bitmap.cpp

+3 −8
Original line number Diff line number Diff line
@@ -386,15 +386,10 @@ static jobject Bitmap_copy(JNIEnv* env, jobject, jlong srcHandle, jint dstConfig 
            return NULL;

        }

        if (hasGainmap) {

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

            gainmap->info = original.gainmap()->info;

            const SkBitmap skSrcBitmap = original.gainmap()->bitmap->getSkBitmap();

            sk_sp<Bitmap> skBitmap(Bitmap::allocateHardwareBitmap(skSrcBitmap));

            if (!skBitmap.get()) {

                return NULL;

            auto gm = uirenderer::Gainmap::allocateHardwareGainmap(original.gainmap());

            if (gm) {

                bitmap->setGainmap(std::move(gm));

            }

            gainmap->bitmap = std::move(skBitmap);

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

        }

        return createBitmap(env, bitmap.release(), getPremulBitmapCreateFlags(isMutable));

    }

libs/hwui/jni/BitmapFactory.cpp

+4 −1
Original line number Diff line number Diff line
@@ -637,7 +637,10 @@ static jobject doDecode(JNIEnv* env, std::unique_ptr<SkStreamRewindable> stream, 
            return nullObjectReturn("Failed to allocate a hardware bitmap");

        }

        if (hasGainmap) {

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

            auto gm = uirenderer::Gainmap::allocateHardwareGainmap(gainmap);

            if (gm) {

                hardwareBitmap->setGainmap(std::move(gm));

            }

        }



        return bitmap::createBitmap(env, hardwareBitmap.release(), bitmapCreateFlags,