Begin splitting up RenderScript.java into seperate classes. First piece split off Element.
This commit is contained in:
Jason Sams
205
graphics/java/android/renderscript/Element.java
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205
graphics/java/android/renderscript/Element.java
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/*
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* Copyright (C) 2008 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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* @hide
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*
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**/
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public class Element extends BaseObj {
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final int mPredefinedID;
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final boolean mIsPredefined;
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public static final Element USER_U8 = new Element(0);
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public static final Element USER_I8 = new Element(1);
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public static final Element USER_U16 = new Element(2);
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public static final Element USER_I16 = new Element(3);
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public static final Element USER_U32 = new Element(4);
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public static final Element USER_I32 = new Element(5);
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public static final Element USER_FLOAT = new Element(6);
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public static final Element A_8 = new Element(7);
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public static final Element RGB_565 = new Element(8);
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public static final Element RGB_888 = new Element(11);
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public static final Element RGBA_5551 = new Element(9);
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public static final Element RGBA_4444 = new Element(10);
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public static final Element RGBA_8888 = new Element(12);
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public static final Element INDEX_16 = new Element(13);
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public static final Element INDEX_32 = new Element(14);
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public static final Element XY_F32 = new Element(15);
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public static final Element XYZ_F32 = new Element(16);
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public static final Element ST_XY_F32 = new Element(17);
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public static final Element ST_XYZ_F32 = new Element(18);
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public static final Element NORM_XYZ_F32 = new Element(19);
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public static final Element NORM_ST_XYZ_F32 = new Element(20);
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void initPredef(RenderScript rs) {
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mID = rs.nElementGetPredefined(mPredefinedID);
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}
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static void init(RenderScript rs) {
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USER_U8.initPredef(rs);
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USER_I8.initPredef(rs);
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USER_U16.initPredef(rs);
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USER_I16.initPredef(rs);
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USER_U32.initPredef(rs);
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USER_I32.initPredef(rs);
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USER_FLOAT.initPredef(rs);
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A_8.initPredef(rs);
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RGB_565.initPredef(rs);
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RGB_888.initPredef(rs);
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RGBA_5551.initPredef(rs);
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RGBA_4444.initPredef(rs);
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RGBA_8888.initPredef(rs);
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INDEX_16.initPredef(rs);
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INDEX_32.initPredef(rs);
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XY_F32.initPredef(rs);
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XYZ_F32.initPredef(rs);
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ST_XY_F32.initPredef(rs);
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ST_XYZ_F32.initPredef(rs);
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NORM_XYZ_F32.initPredef(rs);
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NORM_ST_XYZ_F32.initPredef(rs);
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}
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public enum DataType {
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FLOAT (0),
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UNSIGNED (1),
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SIGNED (2);
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int mID;
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DataType(int id) {
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mID = id;
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}
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}
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public enum DataKind {
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USER (0),
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RED (1),
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GREEN (2),
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BLUE (3),
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ALPHA (4),
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LUMINANCE (5),
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INTENSITY (6),
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X (7),
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Y (8),
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Z (9),
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W (10),
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S (11),
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T (12),
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Q (13),
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R (14),
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NX (15),
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NY (16),
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NZ (17),
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INDEX (18);
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int mID;
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DataKind(int id) {
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mID = id;
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}
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}
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Element(int predef) {
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super(null);
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mID = 0;
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mPredefinedID = predef;
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mIsPredefined = true;
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}
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Element(int id, RenderScript rs) {
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super(rs);
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mID = id;
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mPredefinedID = 0;
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mIsPredefined = false;
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}
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public void destroy() throws IllegalStateException {
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if(mIsPredefined) {
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throw new IllegalStateException("Attempting to destroy a predefined Element.");
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}
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mRS.nElementDestroy(mID);
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mID = 0;
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}
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public static class Builder {
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RenderScript mRS;
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boolean mActive = true;
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Builder(RenderScript rs) {
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mRS = rs;
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}
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void begin() throws IllegalStateException {
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if (mActive) {
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throw new IllegalStateException("Element builder already active.");
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}
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mRS.nElementBegin();
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mActive = true;
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}
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public Builder add(Element e) throws IllegalArgumentException, IllegalStateException {
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if(!mActive) {
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throw new IllegalStateException("Element builder not active.");
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}
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if(!e.mIsPredefined) {
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throw new IllegalArgumentException("add requires a predefined Element.");
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}
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mRS.nElementAddPredefined(e.mID);
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return this;
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}
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public Builder add(Element.DataType dt, Element.DataKind dk, boolean isNormalized, int bits)
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throws IllegalStateException {
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if(!mActive) {
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throw new IllegalStateException("Element builder not active.");
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}
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int norm = 0;
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if (isNormalized) {
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norm = 1;
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}
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mRS.nElementAdd(dt.mID, dk.mID, norm, bits);
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return this;
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}
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public void abort() throws IllegalStateException {
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if(!mActive) {
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throw new IllegalStateException("Element builder not active.");
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}
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mActive = false;
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}
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public Element create() throws IllegalStateException {
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if(!mActive) {
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throw new IllegalStateException("Element builder not active.");
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}
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int id = mRS.nElementCreate();
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mActive = false;
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return new Element(id, mRS);
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}
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}
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}
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