117 lines
3.4 KiB
Java
117 lines
3.4 KiB
Java
/*
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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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*
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* Intrinsic for converting RGB to RGBA by using a 3D lookup table. The
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* incoming r,g,b values are use as normalized x,y,z coordinates into a 3D
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* allocation. The 8 nearest values are sampled and linearly interpolated. The
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* result is placed in the output.
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*
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* @deprecated Renderscript has been deprecated in API level 31. Please refer to the <a
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* href="https://developer.android.com/guide/topics/renderscript/migration-guide">migration
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* guide</a> for the proposed alternatives.
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**/
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@Deprecated
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public final class ScriptIntrinsic3DLUT extends ScriptIntrinsic {
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private Allocation mLUT;
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private Element mElement;
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private ScriptIntrinsic3DLUT(long id, RenderScript rs, Element e) {
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super(id, rs);
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mElement = e;
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}
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/**
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* Supported elements types are {@link Element#U8_4}
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*
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* The defaults tables are identity.
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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 ScriptIntrinsic3DLUT
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*/
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public static ScriptIntrinsic3DLUT create(RenderScript rs, Element e) {
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long id = rs.nScriptIntrinsicCreate(8, e.getID(rs));
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if (!e.isCompatible(Element.U8_4(rs))) {
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throw new RSIllegalArgumentException("Element must be compatible with uchar4.");
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}
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return new ScriptIntrinsic3DLUT(id, rs, e);
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}
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/**
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* Sets the {@link android.renderscript.Allocation} to be used as the lookup table.
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*
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* The lookup table must use the same {@link android.renderscript.Element} as the intrinsic.
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*
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*/
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public void setLUT(Allocation lut) {
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final Type t = lut.getType();
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if (t.getZ() == 0) {
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throw new RSIllegalArgumentException("LUT must be 3d.");
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}
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if (!t.getElement().isCompatible(mElement)) {
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throw new RSIllegalArgumentException("LUT element type must match.");
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}
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mLUT = lut;
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setVar(0, mLUT);
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}
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/**
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* Invoke the kernel and apply the lookup to each cell of ain
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* and copy to aout.
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*
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* @param ain Input allocation
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* @param aout Output allocation
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*/
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public void forEach(Allocation ain, Allocation aout) {
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forEach(ain, aout, null);
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}
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/**
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* Invoke the kernel and apply the lookup to each cell of ain
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* and copy to aout.
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*
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* @param ain Input allocation
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* @param aout Output allocation
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* @param opt Launch options for kernel
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*/
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public void forEach(Allocation ain, Allocation aout, Script.LaunchOptions opt) {
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forEach(0, ain, aout, null, opt);
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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, 3, null, null);
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}
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}
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