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A library jar that provides APIs for Applications written for the Google Android Platform.
/*
* 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 {
Type mWindow;
AllocationAdapter(long id, RenderScript rs, Allocation alloc, Type t) {
super(id, rs, alloc.mType, alloc.mUsage);
mAdaptedAllocation = alloc;
mWindow = t;
}
/*
long getID(RenderScript rs) {
throw new RSInvalidStateException(
"This operation is not supported with adapters at this time.");
}
*/
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;
}
private void updateOffsets() {
int a1 = 0, a2 = 0, a3 = 0, a4 = 0;
if (mSelectedArray != null) {
if (mSelectedArray.length > 0) {
a1 = mSelectedArray[0];
}
if (mSelectedArray.length > 1) {
a2 = mSelectedArray[2];
}
if (mSelectedArray.length > 2) {
a3 = mSelectedArray[2];
}
if (mSelectedArray.length > 3) {
a4 = mSelectedArray[3];
}
}
mRS.nAllocationAdapterOffset(getID(mRS), mSelectedX, mSelectedY, mSelectedZ,
mSelectedLOD, mSelectedFace.mID, a1, a2, a3, a4);
}
/**
* 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 (mWindow.hasMipmaps()) {
throw new RSInvalidStateException("Cannot set LOD when the adapter includes mipmaps.");
}
initLOD(lod);
mSelectedLOD = lod;
updateOffsets();
}
/**
* 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 (mWindow.hasFaces()) {
throw new RSInvalidStateException("Cannot set face when the adapter includes faces.");
}
if (cf == null) {
throw new RSIllegalArgumentException("Cannot set null face.");
}
mSelectedFace = cf;
updateOffsets();
}
/**
*
* Set the active X. The x value must be within the range for
* the allocation being adapted.
*
* @param x The x to make active.
*/
public void setX(int x) {
if (mAdaptedAllocation.getType().getX() <= x) {
throw new RSInvalidStateException("Cannot set X greater than dimension of allocation.");
}
if (mWindow.getX() == mAdaptedAllocation.getType().getX()) {
throw new RSInvalidStateException("Cannot set X when the adapter includes X.");
}
if ((mWindow.getX() + x) >= mAdaptedAllocation.getType().getX()) {
throw new RSInvalidStateException("Cannot set (X + window) which would be larger than dimension of allocation.");
}
mSelectedX = x;
updateOffsets();
}
/**
* 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 (mWindow.getY() == mAdaptedAllocation.getType().getY()) {
throw new RSInvalidStateException("Cannot set Y when the adapter includes Y.");
}
if ((mWindow.getY() + y) >= mAdaptedAllocation.getType().getY()) {
throw new RSInvalidStateException("Cannot set (Y + window) which would be larger than dimension of allocation.");
}
mSelectedY = y;
updateOffsets();
}
/**
* 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 (mWindow.getZ() == mAdaptedAllocation.getType().getZ()) {
throw new RSInvalidStateException("Cannot set Z when the adapter includes Z.");
}
if ((mWindow.getZ() + z) >= mAdaptedAllocation.getType().getZ()) {
throw new RSInvalidStateException("Cannot set (Z + window) which would be larger than dimension of allocation.");
}
mSelectedZ = z;
updateOffsets();
}
/**
* @hide
*/
public void setArray(int arrayNum, int arrayVal) {
if (mAdaptedAllocation.getType().getArray(arrayNum) == 0) {
throw new RSInvalidStateException("Cannot set arrayNum when the allocation type does not include arrayNum dim.");
}
if (mAdaptedAllocation.getType().getArray(arrayNum) <= arrayVal) {
throw new RSInvalidStateException("Cannot set arrayNum greater than dimension of allocation.");
}
if (mWindow.getArray(arrayNum) == mAdaptedAllocation.getType().getArray(arrayNum)) {
throw new RSInvalidStateException("Cannot set arrayNum when the adapter includes arrayNum.");
}
if ((mWindow.getArray(arrayNum) + arrayVal) >= mAdaptedAllocation.getType().getArray(arrayNum)) {
throw new RSInvalidStateException("Cannot set (arrayNum + window) which would be larger than dimension of allocation.");
}
mSelectedArray[arrayNum] = arrayVal;
updateOffsets();
}
static public AllocationAdapter create1D(RenderScript rs, Allocation a) {
rs.validate();
Type t = Type.createX(rs, a.getElement(), a.getType().getX());
return createTyped(rs, a, t);
}
static public AllocationAdapter create2D(RenderScript rs, Allocation a) {
rs.validate();
Type t = Type.createXY(rs, a.getElement(), a.getType().getX(), a.getType().getY());
return createTyped(rs, a, t);
}
/**
*
*
* Create an arbitrary window into the base allocation.
* The type describes the shape of the window.
*
* Any dimensions present in the type must be equal or smaller
* to the dimensions in the source allocation. A dimension
* present in the allocation that is not present in the type
* will be constrained away with the selectors.
*
* If a dimension is present in both the type and allocation, one of
* two things will happen.
*
* If the type is smaller than the allocation, a window will be
* created, the selected value in the adapter for that dimension
* will act as the base address, and the type will describe the
* size of the view starting at that point.
*
* If the type and allocation dimension are of the same size,
* then setting the selector for the dimension will be an error.
*/
static public AllocationAdapter createTyped(RenderScript rs, Allocation a, Type t) {
rs.validate();
if (a.mAdaptedAllocation != null) {
throw new RSInvalidStateException("Adapters cannot be nested.");
}
if (!a.getType().getElement().equals(t.getElement())) {
throw new RSInvalidStateException("Element must match Allocation type.");
}
if (t.hasFaces() || t.hasMipmaps()) {
throw new RSInvalidStateException("Adapters do not support window types with Mipmaps or Faces.");
}
Type at = a.getType();
if ((t.getX() > at.getX()) ||
(t.getY() > at.getY()) ||
(t.getZ() > at.getZ()) ||
(t.getArrayCount() > at.getArrayCount())) {
throw new RSInvalidStateException("Type cannot have dimension larger than the source allocation.");
}
if (t.getArrayCount() > 0) {
for (int i = 0; i < t.getArray(i); i++) {
if (t.getArray(i) > at.getArray(i)) {
throw new RSInvalidStateException("Type cannot have dimension larger than the source allocation.");
}
}
}
// Create the object
long id = rs.nAllocationAdapterCreate(a.getID(rs), t.getID(rs));
if (id == 0) {
throw new RSRuntimeException("AllocationAdapter creation failed.");
}
return new AllocationAdapter(id, rs, a, t);
}
/**
* 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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