Add support for linking to a skia bitmap rather than always copying the data from the bitmap. (8a64743f) · Commits · e / os / android_frameworks_base

graphics/java/android/renderscript/Allocation.java

+45 −1

Original line number	Diff line number	Diff line
		@@ -32,6 +32,7 @@ import android.util.TypedValue;
		**/
		public class Allocation extends BaseObj {
		Type mType;
		Bitmap mBitmap;

		Allocation(int id, RenderScript rs, Type t) {
		super(rs);
		@@ -262,15 +263,58 @@ public class Allocation extends BaseObj {
		return new Allocation(id, rs, t);
		}

		static private Element elementFromBitmap(RenderScript rs, Bitmap b) {
		final Bitmap.Config bc = b.getConfig();
		if (bc == Bitmap.Config.ALPHA_8) {
		return Element.A_8(rs);
		}
		if (bc == Bitmap.Config.ARGB_4444) {
		return Element.RGBA_4444(rs);
		}
		if (bc == Bitmap.Config.ARGB_8888) {
		return Element.RGBA_8888(rs);
		}
		if (bc == Bitmap.Config.RGB_565) {
		return Element.RGB_565(rs);
		}
		throw new IllegalStateException("Bad bitmap type.");
		}

		static private Type typeFromBitmap(RenderScript rs, Bitmap b) {
		Element e = elementFromBitmap(rs, b);
		Type.Builder tb = new Type.Builder(rs, e);
		tb.add(Dimension.X, b.getWidth());
		tb.add(Dimension.Y, b.getHeight());
		return tb.create();
		}

		static public Allocation createFromBitmap(RenderScript rs, Bitmap b, Element dstFmt, boolean genMips)
		throws IllegalArgumentException {

		rs.validate();
		Type t = typeFromBitmap(rs, b);

		int id = rs.nAllocationCreateFromBitmap(dstFmt.mID, genMips, b);
		if(id == 0) {
		throw new IllegalStateException("Load failed.");
		}
		return new Allocation(id, rs, null);
		return new Allocation(id, rs, t);
		}

		static public Allocation createBitmapRef(RenderScript rs, Bitmap b)
		throws IllegalArgumentException {

		rs.validate();
		Type t = typeFromBitmap(rs, b);

		int id = rs.nAllocationCreateBitmapRef(t.getID(), b);
		if(id == 0) {
		throw new IllegalStateException("Load failed.");
		}

		Allocation a = new Allocation(id, rs, t);
		a.mBitmap = b;
		return a;
		}

		static Allocation createFromBitmapBoxed(RenderScript rs, Bitmap b, Element dstFmt, boolean genMips)

graphics/java/android/renderscript/RenderScript.java

+1 −0

Original line number	Diff line number	Diff line
		@@ -98,6 +98,7 @@ public class RenderScript {

		native int nAllocationCreateTyped(int type);
		native int nAllocationCreateFromBitmap(int dstFmt, boolean genMips, Bitmap bmp);
		native int nAllocationCreateBitmapRef(int type, Bitmap bmp);
		native int nAllocationCreateFromBitmapBoxed(int dstFmt, boolean genMips, Bitmap bmp);
		native int nAllocationCreateFromAssetStream(int dstFmt, boolean genMips, int assetStream);

graphics/jni/android_renderscript_RenderScript.cpp

+21 −0

Original line number	Diff line number	Diff line
		@@ -501,6 +501,26 @@ nAllocationCreateFromBitmap(JNIEnv *_env, jobject _this, jint dstFmt, jboolean g
		return 0;
		}

		static void ReleaseBitmapCallback(void *bmp)
		{
		SkBitmap const * nativeBitmap = (SkBitmap const *)bmp;
		nativeBitmap->unlockPixels();
		}

		static int
		nAllocationCreateBitmapRef(JNIEnv *_env, jobject _this, jint type, jobject jbitmap)
		{
		RsContext con = (RsContext)(_env->GetIntField(_this, gContextId));
		SkBitmap * nativeBitmap =
		(SkBitmap *)_env->GetIntField(jbitmap, gNativeBitmapID);


		nativeBitmap->lockPixels();
		void* ptr = nativeBitmap->getPixels();
		jint id = (jint)rsAllocationCreateBitmapRef(con, (RsType)type, ptr, nativeBitmap, ReleaseBitmapCallback);
		return id;
		}

		static int
		nAllocationCreateFromAssetStream(JNIEnv *_env, jobject _this, jint dstFmt, jboolean genMips, jint native_asset)
		{
		@@ -1367,6 +1387,7 @@ static JNINativeMethod methods[] = {

		{"nAllocationCreateTyped", "(I)I", (void*)nAllocationCreateTyped },
		{"nAllocationCreateFromBitmap", "(IZLandroid/graphics/Bitmap;)I", (void*)nAllocationCreateFromBitmap },
		{"nAllocationCreateBitmapRef", "(ILandroid/graphics/Bitmap;)I", (void*)nAllocationCreateBitmapRef },
		{"nAllocationCreateFromBitmapBoxed","(IZLandroid/graphics/Bitmap;)I", (void*)nAllocationCreateFromBitmapBoxed },
		{"nAllocationCreateFromAssetStream","(IZI)I", (void*)nAllocationCreateFromAssetStream },
		{"nAllocationUploadToTexture", "(IZI)V", (void*)nAllocationUploadToTexture },

libs/rs/RenderScript.h

+2 −0

Original line number	Diff line number	Diff line
		@@ -46,6 +46,8 @@ typedef void * RsProgramFragment;
		typedef void * RsProgramFragmentStore;
		typedef void * RsProgramRaster;

		typedef void (* RsBitmapCallback_t)(void *);

		enum RsDeviceParam {
		RS_DEVICE_PARAM_FORCE_SOFTWARE_GL,
		RS_DEVICE_PARAM_COUNT

libs/rs/rs.spec

+8 −0

Original line number	Diff line number	Diff line
		@@ -90,6 +90,14 @@ AllocationCreateSized {
		ret RsAllocation
		}

		AllocationCreateBitmapRef {
		param RsType type
		param void * bmpPtr
		param void * callbackData
		param RsBitmapCallback_t callback
		ret RsAllocation
		}

		AllocationCreateFromBitmap {
		param uint32_t width
		param uint32_t height