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/*
* Copyright (C) 2008 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.
*/
package android.renderscript;
/**
* Only intended for use by generated reflected code.
*
**/
public class AllocationAdapter extends Allocation {
AllocationAdapter(int id, RenderScript rs, Allocation alloc) {
super(id, rs, alloc.mType, alloc.mUsage);
mAdaptedAllocation = alloc;
}
int getID(RenderScript rs) {
throw new RSInvalidStateException(
"This operation is not supported with adapters at this time.");
}
/**
* @hide
*/
public void subData(int xoff, FieldPacker fp) {
super.setFromFieldPacker(xoff, fp);
}
/**
* @hide
*/
public void subElementData(int xoff, int component_number, FieldPacker fp) {
super.setFromFieldPacker(xoff, component_number, fp);
}
/**
* @hide
*/
public void subData1D(int off, int count, int[] d) {
super.copy1DRangeFrom(off, count, d);
}
/**
* @hide
*/
public void subData1D(int off, int count, short[] d) {
super.copy1DRangeFrom(off, count, d);
}
/**
* @hide
*/
public void subData1D(int off, int count, byte[] d) {
super.copy1DRangeFrom(off, count, d);
}
/**
* @hide
*/
public void subData1D(int off, int count, float[] d) {
super.copy1DRangeFrom(off, count, d);
}
/**
* @hide
*/
public void subData2D(int xoff, int yoff, int w, int h, int[] d) {
super.copy2DRangeFrom(xoff, yoff, w, h, d);
}
/**
* @hide
*/
public void subData2D(int xoff, int yoff, int w, int h, float[] d) {
super.copy2DRangeFrom(xoff, yoff, w, h, d);
}
/**
* @hide
*/
public void readData(int[] d) {
super.copyTo(d);
}
/**
* @hide
*/
public void readData(float[] d) {
super.copyTo(d);
}
void initLOD(int lod) {
if (lod < 0) {
throw new RSIllegalArgumentException("Attempting to set negative lod (" + lod + ").");
}
int tx = mAdaptedAllocation.mType.getX();
int ty = mAdaptedAllocation.mType.getY();
int tz = mAdaptedAllocation.mType.getZ();
for (int ct=0; ct < lod; ct++) {
if ((tx==1) && (ty == 1) && (tz == 1)) {
throw new RSIllegalArgumentException("Attempting to set lod (" + lod + ") out of range.");
}
if (tx > 1) tx >>= 1;
if (ty > 1) ty >>= 1;
if (tz > 1) tz >>= 1;
}
mCurrentDimX = tx;
mCurrentDimY = ty;
mCurrentDimZ = tz;
mCurrentCount = mCurrentDimX;
if (mCurrentDimY > 1) {
mCurrentCount *= mCurrentDimY;
}
if (mCurrentDimZ > 1) {
mCurrentCount *= mCurrentDimZ;
}
mSelectedY = 0;
mSelectedZ = 0;
}
/**
* Set the active LOD. The LOD must be within the range for the
* type being adapted. The base allocation must have mipmaps.
*
* Because this changes the dimensions of the adapter the
* current Y and Z will be reset.
*
* @param lod The LOD to make active.
*/
public void setLOD(int lod) {
if (!mAdaptedAllocation.getType().hasMipmaps()) {
throw new RSInvalidStateException("Cannot set LOD when the allocation type does not include mipmaps.");
}
if (!mConstrainedLOD) {
throw new RSInvalidStateException("Cannot set LOD when the adapter includes mipmaps.");
}
initLOD(lod);
}
/**
* Set the active Face. The base allocation must be of a type
* that includes faces.
*
* @param cf The face to make active.
*/
public void setFace(Type.CubemapFace cf) {
if (!mAdaptedAllocation.getType().hasFaces()) {
throw new RSInvalidStateException("Cannot set Face when the allocation type does not include faces.");
}
if (!mConstrainedFace) {
throw new RSInvalidStateException("Cannot set LOD when the adapter includes mipmaps.");
}
if (cf == null) {
throw new RSIllegalArgumentException("Cannot set null face.");
}
mSelectedFace = cf;
}
/**
* Set the active Y. The y value must be within the range for
* the allocation being adapted. The base allocation must
* contain the Y dimension.
*
* @param y The y to make active.
*/
public void setY(int y) {
if (mAdaptedAllocation.getType().getY() == 0) {
throw new RSInvalidStateException("Cannot set Y when the allocation type does not include Y dim.");
}
if (mAdaptedAllocation.getType().getY() <= y) {
throw new RSInvalidStateException("Cannot set Y greater than dimension of allocation.");
}
if (!mConstrainedY) {
throw new RSInvalidStateException("Cannot set Y when the adapter includes Y.");
}
mSelectedY = y;
}
/**
* Set the active Z. The z value must be within the range for
* the allocation being adapted. The base allocation must
* contain the Z dimension.
*
* @param z The z to make active.
*/
public void setZ(int z) {
if (mAdaptedAllocation.getType().getZ() == 0) {
throw new RSInvalidStateException("Cannot set Z when the allocation type does not include Z dim.");
}
if (mAdaptedAllocation.getType().getZ() <= z) {
throw new RSInvalidStateException("Cannot set Z greater than dimension of allocation.");
}
if (!mConstrainedZ) {
throw new RSInvalidStateException("Cannot set Z when the adapter includes Z.");
}
mSelectedZ = z;
}
static public AllocationAdapter create1D(RenderScript rs, Allocation a) {
rs.validate();
AllocationAdapter aa = new AllocationAdapter(0, rs, a);
aa.mConstrainedLOD = true;
aa.mConstrainedFace = true;
aa.mConstrainedY = true;
aa.mConstrainedZ = true;
aa.initLOD(0);
return aa;
}
static public AllocationAdapter create2D(RenderScript rs, Allocation a) {
android.util.Log.e("rs", "create2d " + a);
rs.validate();
AllocationAdapter aa = new AllocationAdapter(0, rs, a);
aa.mConstrainedLOD = true;
aa.mConstrainedFace = true;
aa.mConstrainedY = false;
aa.mConstrainedZ = true;
aa.initLOD(0);
return aa;
}
/**
* Override the Allocation resize. Resizing adapters is not
* allowed and will throw a RSInvalidStateException.
*
* @param dimX ignored.
*/
public synchronized void resize(int dimX) {
throw new RSInvalidStateException("Resize not allowed for Adapters.");
}
}
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