libs/rs/Allocation.cpp - platform/frameworks/base - Gitiles

 /*
  * Copyright (C) 2012 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.
  */

 #define LOG_TAG "libRS_cpp"

 #include <utils/Log.h>
 #include <malloc.h>

 #include "RenderScript.h"
 #include "Element.h"
 #include "Type.h"
 #include "Allocation.h"


 void * Allocation::getIDSafe() const {
     //if (mAdaptedAllocation != NULL) {
         //return mAdaptedAllocation.getID();
     //}
     return getID();
 }

 void Allocation::updateCacheInfo(const Type *t) {
     mCurrentDimX = t->getX();
     mCurrentDimY = t->getY();
     mCurrentDimZ = t->getZ();
     mCurrentCount = mCurrentDimX;
     if (mCurrentDimY > 1) {
         mCurrentCount *= mCurrentDimY;
     }
     if (mCurrentDimZ > 1) {
         mCurrentCount *= mCurrentDimZ;
     }
 }

 Allocation::Allocation(void *id, RenderScript *rs, const Type *t, uint32_t usage) : BaseObj(id, rs) {
     if ((usage & ~(RS_ALLOCATION_USAGE_SCRIPT |
                    RS_ALLOCATION_USAGE_GRAPHICS_TEXTURE |
                    RS_ALLOCATION_USAGE_GRAPHICS_VERTEX |
                    RS_ALLOCATION_USAGE_GRAPHICS_CONSTANTS |
                    RS_ALLOCATION_USAGE_GRAPHICS_RENDER_TARGET |
                    RS_ALLOCATION_USAGE_IO_INPUT |
                    RS_ALLOCATION_USAGE_IO_OUTPUT)) != 0) {
         ALOGE("Unknown usage specified.");
     }

     if ((usage & RS_ALLOCATION_USAGE_IO_INPUT) != 0) {
         mWriteAllowed = false;
         if ((usage & ~(RS_ALLOCATION_USAGE_IO_INPUT |
                        RS_ALLOCATION_USAGE_GRAPHICS_TEXTURE |
                        RS_ALLOCATION_USAGE_SCRIPT)) != 0) {
             ALOGE("Invalid usage combination.");
         }
     }

     mType = t;
     mUsage = usage;

     if (t != NULL) {
         updateCacheInfo(t);
     }
 }

 void Allocation::validateIsInt32() {
     RsDataType dt = mType->getElement()->getDataType();
     if ((dt == RS_TYPE_SIGNED_32) || (dt == RS_TYPE_UNSIGNED_32)) {
         return;
     }
     ALOGE("32 bit integer source does not match allocation type %i", dt);
 }

 void Allocation::validateIsInt16() {
     RsDataType dt = mType->getElement()->getDataType();
     if ((dt == RS_TYPE_SIGNED_16) || (dt == RS_TYPE_UNSIGNED_16)) {
         return;
     }
     ALOGE("16 bit integer source does not match allocation type %i", dt);
 }

 void Allocation::validateIsInt8() {
     RsDataType dt = mType->getElement()->getDataType();
     if ((dt == RS_TYPE_SIGNED_8) || (dt == RS_TYPE_UNSIGNED_8)) {
         return;
     }
     ALOGE("8 bit integer source does not match allocation type %i", dt);
 }

 void Allocation::validateIsFloat32() {
     RsDataType dt = mType->getElement()->getDataType();
     if (dt == RS_TYPE_FLOAT_32) {
         return;
     }
     ALOGE("32 bit float source does not match allocation type %i", dt);
 }

 void Allocation::validateIsObject() {
     RsDataType dt = mType->getElement()->getDataType();
     if ((dt == RS_TYPE_ELEMENT) ||
         (dt == RS_TYPE_TYPE) ||
         (dt == RS_TYPE_ALLOCATION) ||
         (dt == RS_TYPE_SAMPLER) ||
         (dt == RS_TYPE_SCRIPT) ||
         (dt == RS_TYPE_MESH) ||
         (dt == RS_TYPE_PROGRAM_FRAGMENT) ||
         (dt == RS_TYPE_PROGRAM_VERTEX) ||
         (dt == RS_TYPE_PROGRAM_RASTER) ||
         (dt == RS_TYPE_PROGRAM_STORE)) {
         return;
     }
     ALOGE("Object source does not match allocation type %i", dt);
 }

 void Allocation::updateFromNative() {
     BaseObj::updateFromNative();

     const void *typeID = rsaAllocationGetType(mRS->mContext, getID());
     if(typeID != NULL) {
         const Type *old = mType;
         Type *t = new Type((void *)typeID, mRS);
         t->updateFromNative();
         updateCacheInfo(t);
         mType = t;
         delete old;
     }
 }

 void Allocation::syncAll(RsAllocationUsageType srcLocation) {
     switch (srcLocation) {
     case RS_ALLOCATION_USAGE_SCRIPT:
     case RS_ALLOCATION_USAGE_GRAPHICS_CONSTANTS:
     case RS_ALLOCATION_USAGE_GRAPHICS_TEXTURE:
     case RS_ALLOCATION_USAGE_GRAPHICS_VERTEX:
         break;
     default:
         ALOGE("Source must be exactly one usage type.");
     }
     rsAllocationSyncAll(mRS->mContext, getIDSafe(), srcLocation);
 }

 void Allocation::ioSendOutput() {
     if ((mUsage & RS_ALLOCATION_USAGE_IO_OUTPUT) == 0) {
         ALOGE("Can only send buffer if IO_OUTPUT usage specified.");
     }
     rsAllocationIoSend(mRS->mContext, getID());
 }

 void Allocation::ioGetInput() {
     if ((mUsage & RS_ALLOCATION_USAGE_IO_INPUT) == 0) {
         ALOGE("Can only send buffer if IO_OUTPUT usage specified.");
     }
     rsAllocationIoReceive(mRS->mContext, getID());
 }

 /*
 void copyFrom(BaseObj[] d) {
     mRS.validate();
     validateIsObject();
     if (d.length != mCurrentCount) {
         ALOGE("Array size mismatch, allocation sizeX = " +
                                              mCurrentCount + ", array length = " + d.length);
     }
     int i[] = new int[d.length];
     for (int ct=0; ct < d.length; ct++) {
         i[ct] = d[ct].getID();
     }
     copy1DRangeFromUnchecked(0, mCurrentCount, i);
 }
 */


 /*
 void Allocation::setFromFieldPacker(int xoff, FieldPacker fp) {
     mRS.validate();
     int eSize = mType.mElement.getSizeBytes();
     final byte[] data = fp.getData();

     int count = data.length / eSize;
     if ((eSize * count) != data.length) {
         ALOGE("Field packer length " + data.length +
                                            " not divisible by element size " + eSize + ".");
     }
     copy1DRangeFromUnchecked(xoff, count, data);
 }

 void setFromFieldPacker(int xoff, int component_number, FieldPacker fp) {
     mRS.validate();
     if (component_number >= mType.mElement.mElements.length) {
         ALOGE("Component_number " + component_number + " out of range.");
     }
     if(xoff < 0) {
         ALOGE("Offset must be >= 0.");
     }

     final byte[] data = fp.getData();
     int eSize = mType.mElement.mElements[component_number].getSizeBytes();
     eSize *= mType.mElement.mArraySizes[component_number];

     if (data.length != eSize) {
         ALOGE("Field packer sizelength " + data.length +
                                            " does not match component size " + eSize + ".");
     }

     mRS.nAllocationElementData1D(getIDSafe(), xoff, mSelectedLOD,
                                  component_number, data, data.length);
 }
 */

 void Allocation::generateMipmaps() {
     rsAllocationGenerateMipmaps(mRS->mContext, getID());
 }

 void Allocation::copy1DRangeFromUnchecked(uint32_t off, size_t count, const void *data, size_t dataLen) {
     if(count < 1) {
         ALOGE("Count must be >= 1.");
         return;
     }
     if((off + count) > mCurrentCount) {
         ALOGE("Overflow, Available count %zu, got %zu at offset %zu.", mCurrentCount, count, off);
         return;
     }
     if((count * mType->getElement()->getSizeBytes()) > dataLen) {
         ALOGE("Array too small for allocation type.");
         return;
     }

     rsAllocation1DData(mRS->mContext, getIDSafe(), off, mSelectedLOD, count, data, dataLen);
 }

 void Allocation::copy1DRangeFrom(uint32_t off, size_t count, const int32_t *d, size_t dataLen) {
     validateIsInt32();
     copy1DRangeFromUnchecked(off, count, d, dataLen);
 }

 void Allocation::copy1DRangeFrom(uint32_t off, size_t count, const int16_t *d, size_t dataLen) {
     validateIsInt16();
     copy1DRangeFromUnchecked(off, count, d, dataLen);
 }

 void Allocation::copy1DRangeFrom(uint32_t off, size_t count, const int8_t *d, size_t dataLen) {
     validateIsInt8();
     copy1DRangeFromUnchecked(off, count, d, dataLen);
 }

 void Allocation::copy1DRangeFrom(uint32_t off, size_t count, const float *d, size_t dataLen) {
     validateIsFloat32();
     copy1DRangeFromUnchecked(off, count, d, dataLen);
 }

 void Allocation::copy1DRangeFrom(uint32_t off, size_t count, const Allocation *data, uint32_t dataOff) {
     rsAllocationCopy2DRange(mRS->mContext, getIDSafe(), off, 0,
                             mSelectedLOD, mSelectedFace,
                             count, 1, data->getIDSafe(), dataOff, 0,
                             data->mSelectedLOD, data->mSelectedFace);
 }

 void Allocation::validate2DRange(uint32_t xoff, uint32_t yoff, uint32_t w, uint32_t h) {
     if (mAdaptedAllocation != NULL) {

     } else {
         if (((xoff + w) > mCurrentDimX) || ((yoff + h) > mCurrentDimY)) {
             ALOGE("Updated region larger than allocation.");
         }
     }
 }

 void Allocation::copy2DRangeFrom(uint32_t xoff, uint32_t yoff, uint32_t w, uint32_t h,
                                  const int8_t *data, size_t dataLen) {
     validate2DRange(xoff, yoff, w, h);
     rsAllocation2DData(mRS->mContext, getIDSafe(), xoff, yoff, mSelectedLOD, mSelectedFace,
                        w, h, data, dataLen);
 }

 void Allocation::copy2DRangeFrom(uint32_t xoff, uint32_t yoff, uint32_t w, uint32_t h,
                                  const int16_t *data, size_t dataLen) {
     validate2DRange(xoff, yoff, w, h);
     rsAllocation2DData(mRS->mContext, getIDSafe(), xoff, yoff, mSelectedLOD, mSelectedFace,
                        w, h, data, dataLen);
 }

 void Allocation::copy2DRangeFrom(uint32_t xoff, uint32_t yoff, uint32_t w, uint32_t h,
                                  const int32_t *data, size_t dataLen) {
     validate2DRange(xoff, yoff, w, h);
     rsAllocation2DData(mRS->mContext, getIDSafe(), xoff, yoff, mSelectedLOD, mSelectedFace,
                        w, h, data, dataLen);
 }

 void Allocation::copy2DRangeFrom(uint32_t xoff, uint32_t yoff, uint32_t w, uint32_t h,
                                  const float *data, size_t dataLen) {
     validate2DRange(xoff, yoff, w, h);
     rsAllocation2DData(mRS->mContext, getIDSafe(), xoff, yoff, mSelectedLOD, mSelectedFace,
                        w, h, data, dataLen);
 }

 void Allocation::copy2DRangeFrom(uint32_t xoff, uint32_t yoff, uint32_t w, uint32_t h,
                                  const Allocation *data, size_t dataLen,
                                  uint32_t dataXoff, uint32_t dataYoff) {
     validate2DRange(xoff, yoff, w, h);
     rsAllocationCopy2DRange(mRS->mContext, getIDSafe(), xoff, yoff,
                             mSelectedLOD, mSelectedFace,
                             w, h, data->getIDSafe(), dataXoff, dataYoff,
                             data->mSelectedLOD, data->mSelectedFace);
 }

 /*
 void copyTo(byte[] d) {
     validateIsInt8();
     mRS.validate();
     mRS.nAllocationRead(getID(), d);
 }

 void copyTo(short[] d) {
     validateIsInt16();
     mRS.validate();
     mRS.nAllocationRead(getID(), d);
 }

 void copyTo(int[] d) {
     validateIsInt32();
     mRS.validate();
     mRS.nAllocationRead(getID(), d);
 }

 void copyTo(float[] d) {
     validateIsFloat32();
     mRS.validate();
     mRS.nAllocationRead(getID(), d);
 }

 void resize(int dimX) {
     if ((mType.getY() > 0)|| (mType.getZ() > 0) || mType.hasFaces() || mType.hasMipmaps()) {
         throw new RSInvalidStateException("Resize only support for 1D allocations at this time.");
     }
     mRS.nAllocationResize1D(getID(), dimX);
     mRS.finish();  // Necessary because resize is fifoed and update is async.

     int typeID = mRS.nAllocationGetType(getID());
     mType = new Type(typeID, mRS);
     mType.updateFromNative();
     updateCacheInfo(mType);
 }

 void resize(int dimX, int dimY) {
     if ((mType.getZ() > 0) || mType.hasFaces() || mType.hasMipmaps()) {
         throw new RSInvalidStateException(
             "Resize only support for 2D allocations at this time.");
     }
     if (mType.getY() == 0) {
         throw new RSInvalidStateException(
             "Resize only support for 2D allocations at this time.");
     }
     mRS.nAllocationResize2D(getID(), dimX, dimY);
     mRS.finish();  // Necessary because resize is fifoed and update is async.

     int typeID = mRS.nAllocationGetType(getID());
     mType = new Type(typeID, mRS);
     mType.updateFromNative();
     updateCacheInfo(mType);
 }
 */


 Allocation *Allocation::createTyped(RenderScript *rs, const Type *type,
                         RsAllocationMipmapControl mips, uint32_t usage) {
     void *id = rsAllocationCreateTyped(rs->mContext, type->getID(), mips, usage, 0);
     if (id == 0) {
         ALOGE("Allocation creation failed.");
         return NULL;
     }
     return new Allocation(id, rs, type, usage);
 }

 Allocation *Allocation::createTyped(RenderScript *rs, const Type *type,
                                     RsAllocationMipmapControl mips, uint32_t usage, void *pointer) {
     void *id = rsAllocationCreateTyped(rs->mContext, type->getID(), mips, usage, (uint32_t)pointer);
     if (id == 0) {
         ALOGE("Allocation creation failed.");
     }
     return new Allocation(id, rs, type, usage);
 }

 Allocation *Allocation::createTyped(RenderScript *rs, const Type *type, uint32_t usage) {
     return createTyped(rs, type, RS_ALLOCATION_MIPMAP_NONE, usage);
 }

 Allocation *Allocation::createSized(RenderScript *rs, const Element *e, size_t count, uint32_t usage) {
     Type::Builder b(rs, e);
     b.setX(count);
     const Type *t = b.create();

     void *id = rsAllocationCreateTyped(rs->mContext, t->getID(), RS_ALLOCATION_MIPMAP_NONE, usage, 0);
     if (id == 0) {
         ALOGE("Allocation creation failed.");
     }
     return new Allocation(id, rs, t, usage);
 }


 /*
 SurfaceTexture getSurfaceTexture() {
     if ((mUsage & USAGE_GRAPHICS_SURFACE_TEXTURE_INPUT_OPAQUE) == 0) {
         throw new RSInvalidStateException("Allocation is not a surface texture.");
     }

     int id = mRS.nAllocationGetSurfaceTextureID(getID());
     return new SurfaceTexture(id);

 }

 void setSurfaceTexture(SurfaceTexture sur) {
     if ((mUsage & USAGE_IO_OUTPUT) == 0) {
         throw new RSInvalidStateException("Allocation is not USAGE_IO_OUTPUT.");
     }

     mRS.validate();
     mRS.nAllocationSetSurfaceTexture(getID(), sur);
 }


 static Allocation createFromBitmapResource(RenderScript rs,
                                                   Resources res,
                                                   int id,
                                                   MipmapControl mips,
                                                   int usage) {

     rs.validate();
     Bitmap b = BitmapFactory.decodeResource(res, id);
     Allocation alloc = createFromBitmap(rs, b, mips, usage);
     b.recycle();
     return alloc;
 }

 static Allocation createFromBitmapResource(RenderScript rs,
                                                   Resources res,
                                                   int id) {
     return createFromBitmapResource(rs, res, id,
                                     MipmapControl.MIPMAP_NONE,
                                     USAGE_GRAPHICS_TEXTURE);
 }

 static Allocation createFromString(RenderScript rs,
                                           String str,
                                           int usage) {
     rs.validate();
     byte[] allocArray = NULL;
     try {
         allocArray = str.getBytes("UTF-8");
         Allocation alloc = Allocation.createSized(rs, Element.U8(rs), allocArray.length, usage);
         alloc.copyFrom(allocArray);
         return alloc;
     }
     catch (Exception e) {
         throw new RSRuntimeException("Could not convert string to utf-8.");
     }
 }
 */
	/*
	* Copyright (C) 2012 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.
	*/

	#define LOG_TAG "libRS_cpp"

	#include <utils/Log.h>
	#include <malloc.h>

	#include "RenderScript.h"
	#include "Element.h"
	#include "Type.h"
	#include "Allocation.h"


	void * Allocation::getIDSafe() const {
	//if (mAdaptedAllocation != NULL) {
	//return mAdaptedAllocation.getID();
	//}
	return getID();
	}

	void Allocation::updateCacheInfo(const Type *t) {
	mCurrentDimX = t->getX();
	mCurrentDimY = t->getY();
	mCurrentDimZ = t->getZ();
	mCurrentCount = mCurrentDimX;
	if (mCurrentDimY > 1) {
	mCurrentCount *= mCurrentDimY;
	}
	if (mCurrentDimZ > 1) {
	mCurrentCount *= mCurrentDimZ;
	}
	}

	Allocation::Allocation(void id, RenderScript rs, const Type *t, uint32_t usage) : BaseObj(id, rs) {
	if ((usage & ~(RS_ALLOCATION_USAGE_SCRIPT \|
	RS_ALLOCATION_USAGE_GRAPHICS_TEXTURE \|
	RS_ALLOCATION_USAGE_GRAPHICS_VERTEX \|
	RS_ALLOCATION_USAGE_GRAPHICS_CONSTANTS \|
	RS_ALLOCATION_USAGE_GRAPHICS_RENDER_TARGET \|
	RS_ALLOCATION_USAGE_IO_INPUT \|
	RS_ALLOCATION_USAGE_IO_OUTPUT)) != 0) {
	ALOGE("Unknown usage specified.");
	}

	if ((usage & RS_ALLOCATION_USAGE_IO_INPUT) != 0) {
	mWriteAllowed = false;
	if ((usage & ~(RS_ALLOCATION_USAGE_IO_INPUT \|
	RS_ALLOCATION_USAGE_GRAPHICS_TEXTURE \|
	RS_ALLOCATION_USAGE_SCRIPT)) != 0) {
	ALOGE("Invalid usage combination.");
	}
	}

	mType = t;
	mUsage = usage;

	if (t != NULL) {
	updateCacheInfo(t);
	}
	}

	void Allocation::validateIsInt32() {
	RsDataType dt = mType->getElement()->getDataType();
	if ((dt == RS_TYPE_SIGNED_32) \|\| (dt == RS_TYPE_UNSIGNED_32)) {
	return;
	}
	ALOGE("32 bit integer source does not match allocation type %i", dt);
	}

	void Allocation::validateIsInt16() {
	RsDataType dt = mType->getElement()->getDataType();
	if ((dt == RS_TYPE_SIGNED_16) \|\| (dt == RS_TYPE_UNSIGNED_16)) {
	return;
	}
	ALOGE("16 bit integer source does not match allocation type %i", dt);
	}

	void Allocation::validateIsInt8() {
	RsDataType dt = mType->getElement()->getDataType();
	if ((dt == RS_TYPE_SIGNED_8) \|\| (dt == RS_TYPE_UNSIGNED_8)) {
	return;
	}
	ALOGE("8 bit integer source does not match allocation type %i", dt);
	}

	void Allocation::validateIsFloat32() {
	RsDataType dt = mType->getElement()->getDataType();
	if (dt == RS_TYPE_FLOAT_32) {
	return;
	}
	ALOGE("32 bit float source does not match allocation type %i", dt);
	}

	void Allocation::validateIsObject() {
	RsDataType dt = mType->getElement()->getDataType();
	if ((dt == RS_TYPE_ELEMENT) \|\|
	(dt == RS_TYPE_TYPE) \|\|
	(dt == RS_TYPE_ALLOCATION) \|\|
	(dt == RS_TYPE_SAMPLER) \|\|
	(dt == RS_TYPE_SCRIPT) \|\|
	(dt == RS_TYPE_MESH) \|\|
	(dt == RS_TYPE_PROGRAM_FRAGMENT) \|\|
	(dt == RS_TYPE_PROGRAM_VERTEX) \|\|
	(dt == RS_TYPE_PROGRAM_RASTER) \|\|
	(dt == RS_TYPE_PROGRAM_STORE)) {
	return;
	}
	ALOGE("Object source does not match allocation type %i", dt);
	}

	void Allocation::updateFromNative() {
	BaseObj::updateFromNative();

	const void *typeID = rsaAllocationGetType(mRS->mContext, getID());
	if(typeID != NULL) {
	const Type *old = mType;
	Type t = new Type((void )typeID, mRS);
	t->updateFromNative();
	updateCacheInfo(t);
	mType = t;
	delete old;
	}
	}

	void Allocation::syncAll(RsAllocationUsageType srcLocation) {
	switch (srcLocation) {
	case RS_ALLOCATION_USAGE_SCRIPT:
	case RS_ALLOCATION_USAGE_GRAPHICS_CONSTANTS:
	case RS_ALLOCATION_USAGE_GRAPHICS_TEXTURE:
	case RS_ALLOCATION_USAGE_GRAPHICS_VERTEX:
	break;
	default:
	ALOGE("Source must be exactly one usage type.");
	}
	rsAllocationSyncAll(mRS->mContext, getIDSafe(), srcLocation);
	}

	void Allocation::ioSendOutput() {
	if ((mUsage & RS_ALLOCATION_USAGE_IO_OUTPUT) == 0) {
	ALOGE("Can only send buffer if IO_OUTPUT usage specified.");
	}
	rsAllocationIoSend(mRS->mContext, getID());
	}

	void Allocation::ioGetInput() {
	if ((mUsage & RS_ALLOCATION_USAGE_IO_INPUT) == 0) {
	ALOGE("Can only send buffer if IO_OUTPUT usage specified.");
	}
	rsAllocationIoReceive(mRS->mContext, getID());
	}

	/*
	void copyFrom(BaseObj[] d) {
	mRS.validate();
	validateIsObject();
	if (d.length != mCurrentCount) {
	ALOGE("Array size mismatch, allocation sizeX = " +
	mCurrentCount + ", array length = " + d.length);
	}
	int i[] = new int[d.length];
	for (int ct=0; ct < d.length; ct++) {
	i[ct] = d[ct].getID();
	}
	copy1DRangeFromUnchecked(0, mCurrentCount, i);
	}
	*/


	/*
	void Allocation::setFromFieldPacker(int xoff, FieldPacker fp) {
	mRS.validate();
	int eSize = mType.mElement.getSizeBytes();
	final byte[] data = fp.getData();

	int count = data.length / eSize;
	if ((eSize * count) != data.length) {
	ALOGE("Field packer length " + data.length +
	" not divisible by element size " + eSize + ".");
	}
	copy1DRangeFromUnchecked(xoff, count, data);
	}

	void setFromFieldPacker(int xoff, int component_number, FieldPacker fp) {
	mRS.validate();
	if (component_number >= mType.mElement.mElements.length) {
	ALOGE("Component_number " + component_number + " out of range.");
	}
	if(xoff < 0) {
	ALOGE("Offset must be >= 0.");
	}

	final byte[] data = fp.getData();
	int eSize = mType.mElement.mElements[component_number].getSizeBytes();
	eSize *= mType.mElement.mArraySizes[component_number];

	if (data.length != eSize) {
	ALOGE("Field packer sizelength " + data.length +
	" does not match component size " + eSize + ".");
	}

	mRS.nAllocationElementData1D(getIDSafe(), xoff, mSelectedLOD,
	component_number, data, data.length);
	}
	*/

	void Allocation::generateMipmaps() {
	rsAllocationGenerateMipmaps(mRS->mContext, getID());
	}

	void Allocation::copy1DRangeFromUnchecked(uint32_t off, size_t count, const void *data, size_t dataLen) {
	if(count < 1) {
	ALOGE("Count must be >= 1.");
	return;
	}
	if((off + count) > mCurrentCount) {
	ALOGE("Overflow, Available count %zu, got %zu at offset %zu.", mCurrentCount, count, off);
	return;
	}
	if((count * mType->getElement()->getSizeBytes()) > dataLen) {
	ALOGE("Array too small for allocation type.");
	return;
	}

	rsAllocation1DData(mRS->mContext, getIDSafe(), off, mSelectedLOD, count, data, dataLen);
	}

	void Allocation::copy1DRangeFrom(uint32_t off, size_t count, const int32_t *d, size_t dataLen) {
	validateIsInt32();
	copy1DRangeFromUnchecked(off, count, d, dataLen);
	}

	void Allocation::copy1DRangeFrom(uint32_t off, size_t count, const int16_t *d, size_t dataLen) {
	validateIsInt16();
	copy1DRangeFromUnchecked(off, count, d, dataLen);
	}

	void Allocation::copy1DRangeFrom(uint32_t off, size_t count, const int8_t *d, size_t dataLen) {
	validateIsInt8();
	copy1DRangeFromUnchecked(off, count, d, dataLen);
	}

	void Allocation::copy1DRangeFrom(uint32_t off, size_t count, const float *d, size_t dataLen) {
	validateIsFloat32();
	copy1DRangeFromUnchecked(off, count, d, dataLen);
	}

	void Allocation::copy1DRangeFrom(uint32_t off, size_t count, const Allocation *data, uint32_t dataOff) {
	rsAllocationCopy2DRange(mRS->mContext, getIDSafe(), off, 0,
	mSelectedLOD, mSelectedFace,
	count, 1, data->getIDSafe(), dataOff, 0,
	data->mSelectedLOD, data->mSelectedFace);
	}

	void Allocation::validate2DRange(uint32_t xoff, uint32_t yoff, uint32_t w, uint32_t h) {
	if (mAdaptedAllocation != NULL) {

	} else {
	if (((xoff + w) > mCurrentDimX) \|\| ((yoff + h) > mCurrentDimY)) {
	ALOGE("Updated region larger than allocation.");
	}
	}
	}

	void Allocation::copy2DRangeFrom(uint32_t xoff, uint32_t yoff, uint32_t w, uint32_t h,
	const int8_t *data, size_t dataLen) {
	validate2DRange(xoff, yoff, w, h);
	rsAllocation2DData(mRS->mContext, getIDSafe(), xoff, yoff, mSelectedLOD, mSelectedFace,
	w, h, data, dataLen);
	}

	void Allocation::copy2DRangeFrom(uint32_t xoff, uint32_t yoff, uint32_t w, uint32_t h,
	const int16_t *data, size_t dataLen) {
	validate2DRange(xoff, yoff, w, h);
	rsAllocation2DData(mRS->mContext, getIDSafe(), xoff, yoff, mSelectedLOD, mSelectedFace,
	w, h, data, dataLen);
	}

	void Allocation::copy2DRangeFrom(uint32_t xoff, uint32_t yoff, uint32_t w, uint32_t h,
	const int32_t *data, size_t dataLen) {
	validate2DRange(xoff, yoff, w, h);
	rsAllocation2DData(mRS->mContext, getIDSafe(), xoff, yoff, mSelectedLOD, mSelectedFace,
	w, h, data, dataLen);
	}

	void Allocation::copy2DRangeFrom(uint32_t xoff, uint32_t yoff, uint32_t w, uint32_t h,
	const float *data, size_t dataLen) {
	validate2DRange(xoff, yoff, w, h);
	rsAllocation2DData(mRS->mContext, getIDSafe(), xoff, yoff, mSelectedLOD, mSelectedFace,
	w, h, data, dataLen);
	}

	void Allocation::copy2DRangeFrom(uint32_t xoff, uint32_t yoff, uint32_t w, uint32_t h,
	const Allocation *data, size_t dataLen,
	uint32_t dataXoff, uint32_t dataYoff) {
	validate2DRange(xoff, yoff, w, h);
	rsAllocationCopy2DRange(mRS->mContext, getIDSafe(), xoff, yoff,
	mSelectedLOD, mSelectedFace,
	w, h, data->getIDSafe(), dataXoff, dataYoff,
	data->mSelectedLOD, data->mSelectedFace);
	}

	/*
	void copyTo(byte[] d) {
	validateIsInt8();
	mRS.validate();
	mRS.nAllocationRead(getID(), d);
	}

	void copyTo(short[] d) {
	validateIsInt16();
	mRS.validate();
	mRS.nAllocationRead(getID(), d);
	}

	void copyTo(int[] d) {
	validateIsInt32();
	mRS.validate();
	mRS.nAllocationRead(getID(), d);
	}

	void copyTo(float[] d) {
	validateIsFloat32();
	mRS.validate();
	mRS.nAllocationRead(getID(), d);
	}

	void resize(int dimX) {
	if ((mType.getY() > 0)\|\| (mType.getZ() > 0) \|\| mType.hasFaces() \|\| mType.hasMipmaps()) {
	throw new RSInvalidStateException("Resize only support for 1D allocations at this time.");
	}
	mRS.nAllocationResize1D(getID(), dimX);
	mRS.finish(); // Necessary because resize is fifoed and update is async.

	int typeID = mRS.nAllocationGetType(getID());
	mType = new Type(typeID, mRS);
	mType.updateFromNative();
	updateCacheInfo(mType);
	}

	void resize(int dimX, int dimY) {
	if ((mType.getZ() > 0) \|\| mType.hasFaces() \|\| mType.hasMipmaps()) {
	throw new RSInvalidStateException(
	"Resize only support for 2D allocations at this time.");
	}
	if (mType.getY() == 0) {
	throw new RSInvalidStateException(
	"Resize only support for 2D allocations at this time.");
	}
	mRS.nAllocationResize2D(getID(), dimX, dimY);
	mRS.finish(); // Necessary because resize is fifoed and update is async.

	int typeID = mRS.nAllocationGetType(getID());
	mType = new Type(typeID, mRS);
	mType.updateFromNative();
	updateCacheInfo(mType);
	}
	*/


	Allocation Allocation::createTyped(RenderScript rs, const Type *type,
	RsAllocationMipmapControl mips, uint32_t usage) {
	void *id = rsAllocationCreateTyped(rs->mContext, type->getID(), mips, usage, 0);
	if (id == 0) {
	ALOGE("Allocation creation failed.");
	return NULL;
	}
	return new Allocation(id, rs, type, usage);
	}

	Allocation Allocation::createTyped(RenderScript rs, const Type *type,
	RsAllocationMipmapControl mips, uint32_t usage, void *pointer) {
	void *id = rsAllocationCreateTyped(rs->mContext, type->getID(), mips, usage, (uint32_t)pointer);
	if (id == 0) {
	ALOGE("Allocation creation failed.");
	}
	return new Allocation(id, rs, type, usage);
	}

	Allocation Allocation::createTyped(RenderScript rs, const Type *type, uint32_t usage) {
	return createTyped(rs, type, RS_ALLOCATION_MIPMAP_NONE, usage);
	}

	Allocation Allocation::createSized(RenderScript rs, const Element *e, size_t count, uint32_t usage) {
	Type::Builder b(rs, e);
	b.setX(count);
	const Type *t = b.create();

	void *id = rsAllocationCreateTyped(rs->mContext, t->getID(), RS_ALLOCATION_MIPMAP_NONE, usage, 0);
	if (id == 0) {
	ALOGE("Allocation creation failed.");
	}
	return new Allocation(id, rs, t, usage);
	}


	/*
	SurfaceTexture getSurfaceTexture() {
	if ((mUsage & USAGE_GRAPHICS_SURFACE_TEXTURE_INPUT_OPAQUE) == 0) {
	throw new RSInvalidStateException("Allocation is not a surface texture.");
	}

	int id = mRS.nAllocationGetSurfaceTextureID(getID());
	return new SurfaceTexture(id);

	}

	void setSurfaceTexture(SurfaceTexture sur) {
	if ((mUsage & USAGE_IO_OUTPUT) == 0) {
	throw new RSInvalidStateException("Allocation is not USAGE_IO_OUTPUT.");
	}

	mRS.validate();
	mRS.nAllocationSetSurfaceTexture(getID(), sur);
	}


	static Allocation createFromBitmapResource(RenderScript rs,
	Resources res,
	int id,
	MipmapControl mips,
	int usage) {

	rs.validate();
	Bitmap b = BitmapFactory.decodeResource(res, id);
	Allocation alloc = createFromBitmap(rs, b, mips, usage);
	b.recycle();
	return alloc;
	}

	static Allocation createFromBitmapResource(RenderScript rs,
	Resources res,
	int id) {
	return createFromBitmapResource(rs, res, id,
	MipmapControl.MIPMAP_NONE,
	USAGE_GRAPHICS_TEXTURE);
	}

	static Allocation createFromString(RenderScript rs,
	String str,
	int usage) {
	rs.validate();
	byte[] allocArray = NULL;
	try {
	allocArray = str.getBytes("UTF-8");
	Allocation alloc = Allocation.createSized(rs, Element.U8(rs), allocArray.length, usage);
	alloc.copyFrom(allocArray);
	return alloc;
	}
	catch (Exception e) {
	throw new RSRuntimeException("Could not convert string to utf-8.");
	}
	}
	*/