// Returns a prepared Texture* that either is already in the cache or can fit
// in the cache (and is thus added to the cache)
Texture* TextureCache::getCachedTexture(const SkBitmap* bitmap, AtlasUsageType atlasUsageType) {
    if (CC_LIKELY(mAssetAtlas != nullptr) && atlasUsageType == AtlasUsageType::Use) {
        AssetAtlas::Entry* entry = mAssetAtlas->getEntry(bitmap->pixelRef());
        if (CC_UNLIKELY(entry)) {
            return entry->texture;
        }
    }

    Texture* texture = mCache.get(bitmap->pixelRef()->getStableID());

    if (!texture) {
        if (!canMakeTextureFromBitmap(bitmap)) {
            return nullptr;
        }

        const uint32_t size = bitmap->rowBytes() * bitmap->height();
        bool canCache = size < mMaxSize;
        // Don't even try to cache a bitmap that's bigger than the cache
        while (canCache && mSize + size > mMaxSize) {
            Texture* oldest = mCache.peekOldestValue();
            if (oldest && !oldest->isInUse) {
                mCache.removeOldest();
            } else {
                canCache = false;
            }
        }

        if (canCache) {
            texture = new Texture(Caches::getInstance());
            texture->bitmapSize = size;
            texture->generation = bitmap->getGenerationID();
            texture->upload(*bitmap);

            mSize += size;
            TEXTURE_LOGD("TextureCache::get: create texture(%p): name, size, mSize = %d, %d, %d",
                     bitmap, texture->id, size, mSize);
            if (mDebugEnabled) {
                ALOGD("Texture created, size = %d", size);
            }
            mCache.put(bitmap->pixelRef()->getStableID(), texture);
        }
    } else if (!texture->isInUse && bitmap->getGenerationID() != texture->generation) {
        // Texture was in the cache but is dirty, re-upload
        // TODO: Re-adjust the cache size if the bitmap's dimensions have changed
        texture->upload(*bitmap);
        texture->generation = bitmap->getGenerationID();
    }

    return texture;
}
Texture* TextureCache::get(const SkBitmap* bitmap, AtlasUsageType atlasUsageType) {
    Texture* texture = getCachedTexture(bitmap, atlasUsageType);

    if (!texture) {
        if (!canMakeTextureFromBitmap(bitmap)) {
            return nullptr;
        }

        const uint32_t size = bitmap->rowBytes() * bitmap->height();
        texture = new Texture(Caches::getInstance());
        texture->bitmapSize = size;
        generateTexture(bitmap, texture, false);
        texture->cleanup = true;
    }

    return texture;
}
Пример #3
0
Texture* TextureCache::get(const SkBitmap* bitmap) {
    Texture* texture = getCachedTexture(bitmap);

    if (!texture) {
        if (!canMakeTextureFromBitmap(bitmap)) {
            return NULL;
        }

        const uint32_t size = bitmap->rowBytes() * bitmap->height();
        texture = new Texture();
        texture->bitmapSize = size;
        generateTexture(bitmap, texture, false);
        texture->cleanup = true;
    }

    return texture;
}
Пример #4
0
// Returns a prepared Texture* that either is already in the cache or can fit
// in the cache (and is thus added to the cache)
Texture* TextureCache::getCachedTexture(const SkBitmap* bitmap) {
    Texture* texture = mCache.get(bitmap->pixelRef());

    if (!texture) {
        if (!canMakeTextureFromBitmap(bitmap)) {
            return NULL;
        }

        const uint32_t size = bitmap->rowBytes() * bitmap->height();
        bool canCache = size < mMaxSize;
        // Don't even try to cache a bitmap that's bigger than the cache
        while (canCache && mSize + size > mMaxSize) {
            Texture* oldest = mCache.peekOldestValue();
            if (oldest && !oldest->isInUse) {
                mCache.removeOldest();
            } else {
                canCache = false;
            }
        }

        if (canCache) {
            texture = new Texture();
            texture->bitmapSize = size;
            generateTexture(bitmap, texture, false);

            mSize += size;
            TEXTURE_LOGD("TextureCache::get: create texture(%p): name, size, mSize = %d, %d, %d",
                     bitmap, texture->id, size, mSize);
            if (mDebugEnabled) {
                ALOGD("Texture created, size = %d", size);
            }
            mCache.put(bitmap->pixelRef(), texture);
        }
    } else if (!texture->isInUse && bitmap->getGenerationID() != texture->generation) {
        // Texture was in the cache but is dirty, re-upload
        // TODO: Re-adjust the cache size if the bitmap's dimensions have changed
        generateTexture(bitmap, texture, true);
    }

    return texture;
}