public boolean prepareRenderscriptAllocations(Bitmap bitmap) {
RenderScript RS = getRenderScriptContext();
boolean needsUpdate = false;
if (mOutPixelsAllocation == null
|| mInPixelsAllocation == null
|| bitmap.getWidth() != mWidth
|| bitmap.getHeight() != mHeight) {
destroyPixelAllocations();
Bitmap bitmapBuffer = bitmap;
if (bitmap.getConfig() == null || bitmap.getConfig() != BITMAP_CONFIG) {
bitmapBuffer = bitmap.copy(BITMAP_CONFIG, true);
}
mOutPixelsAllocation =
Allocation.createFromBitmap(
RS, bitmapBuffer, Allocation.MipmapControl.MIPMAP_NONE, Allocation.USAGE_SCRIPT);
mInPixelsAllocation = Allocation.createTyped(RS, mOutPixelsAllocation.getType());
needsUpdate = true;
}
if (RS != null) {
mInPixelsAllocation.copyFrom(bitmap);
}
if (bitmap.getWidth() != mWidth || bitmap.getHeight() != mHeight) {
mWidth = bitmap.getWidth();
mHeight = bitmap.getHeight();
needsUpdate = true;
}
if (DEBUG) {
Log.v(LOGTAG, "prepareRenderscriptAllocations: " + needsUpdate + " in " + getName());
}
return needsUpdate;
}
public synchronized void reset() {
synchronized (CachingPipeline.class) {
if (getRenderScriptContext() == null) {
return;
}
mOriginalBitmap = null; // just a reference to the bitmap in ImageLoader
if (mResizedOriginalBitmap != null) {
mResizedOriginalBitmap.recycle();
mResizedOriginalBitmap = null;
}
if (mOriginalAllocation != null) {
mOriginalAllocation.destroy();
mOriginalAllocation = null;
}
if (mFiltersOnlyOriginalAllocation != null) {
mFiltersOnlyOriginalAllocation.destroy();
mFiltersOnlyOriginalAllocation = null;
}
mPreviewScaleFactor = 1.0f;
mHighResPreviewScaleFactor = 1.0f;
destroyPixelAllocations();
}
}