Move RenderScript from graphics/ to new fw/base subdirectory rs.
Change-Id: I30b6633578f063840e1bdbcc9ba513b727912a6d
This commit is contained in:
131
rs/java/android/renderscript/ScriptIntrinsicConvolve3x3.java
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131
rs/java/android/renderscript/ScriptIntrinsicConvolve3x3.java
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/*
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* Copyright (C) 2012 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.renderscript;
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/**
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* Intrinsic for applying a 3x3 convolve to an allocation.
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*
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**/
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public final class ScriptIntrinsicConvolve3x3 extends ScriptIntrinsic {
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private final float[] mValues = new float[9];
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private Allocation mInput;
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private ScriptIntrinsicConvolve3x3(long id, RenderScript rs) {
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super(id, rs);
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}
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/**
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* Supported elements types are {@link Element#U8}, {@link
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* Element#U8_2}, {@link Element#U8_3}, {@link Element#U8_4},
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* {@link Element#F32}, {@link Element#F32_2}, {@link
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* Element#F32_3}, and {@link Element#F32_4}
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*
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* The default coefficients are.
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*
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* <code>
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* <p> [ 0, 0, 0 ]
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* <p> [ 0, 1, 0 ]
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* <p> [ 0, 0, 0 ]
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* </code>
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*
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* @param rs The RenderScript context
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* @param e Element type for intputs and outputs
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*
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* @return ScriptIntrinsicConvolve3x3
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*/
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public static ScriptIntrinsicConvolve3x3 create(RenderScript rs, Element e) {
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float f[] = { 0, 0, 0, 0, 1, 0, 0, 0, 0};
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if (!e.isCompatible(Element.U8(rs)) &&
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!e.isCompatible(Element.U8_2(rs)) &&
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!e.isCompatible(Element.U8_3(rs)) &&
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!e.isCompatible(Element.U8_4(rs)) &&
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!e.isCompatible(Element.F32(rs)) &&
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!e.isCompatible(Element.F32_2(rs)) &&
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!e.isCompatible(Element.F32_3(rs)) &&
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!e.isCompatible(Element.F32_4(rs))) {
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throw new RSIllegalArgumentException("Unsuported element type.");
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}
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long id = rs.nScriptIntrinsicCreate(1, e.getID(rs));
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ScriptIntrinsicConvolve3x3 si = new ScriptIntrinsicConvolve3x3(id, rs);
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si.setCoefficients(f);
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return si;
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}
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/**
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* Set the input of the blur.
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* Must match the element type supplied during create.
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*
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* @param ain The input allocation.
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*/
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public void setInput(Allocation ain) {
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mInput = ain;
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setVar(1, ain);
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}
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/**
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* Set the coefficients for the convolve.
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*
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* The convolve layout is
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* <code>
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* <p> [ 0, 1, 2 ]
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* <p> [ 3, 4, 5 ]
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* <p> [ 6, 7, 8 ]
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* </code>
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*
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* @param v The array of coefficients to set
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*/
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public void setCoefficients(float v[]) {
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FieldPacker fp = new FieldPacker(9*4);
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for (int ct=0; ct < mValues.length; ct++) {
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mValues[ct] = v[ct];
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fp.addF32(mValues[ct]);
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}
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setVar(0, fp);
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}
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/**
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* Apply the filter to the input and save to the specified
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* allocation.
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*
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* @param aout Output allocation. Must match creation element
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* type.
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*/
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public void forEach(Allocation aout) {
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forEach(0, null, aout, null);
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}
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/**
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* Get a KernelID for this intrinsic kernel.
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*
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* @return Script.KernelID The KernelID object.
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*/
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public Script.KernelID getKernelID() {
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return createKernelID(0, 2, null, null);
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}
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/**
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* Get a FieldID for the input field of this intrinsic.
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*
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* @return Script.FieldID The FieldID object.
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*/
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public Script.FieldID getFieldID_Input() {
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return createFieldID(1, null);
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}
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}
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