1 /* 2 * Copyright (C) 2012 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package android.renderscript; 18 19 20 /** 21 * Intrinsic for converting an Android YUV buffer to RGB. 22 * 23 * The input allocation should be supplied in a supported YUV format 24 * as a YUV element Allocation. The output is RGBA; the alpha channel 25 * will be set to 255. 26 * 27 * @deprecated Renderscript has been deprecated in API level 31. Please refer to the <a 28 * href="https://developer.android.com/guide/topics/renderscript/migration-guide">migration 29 * guide</a> for the proposed alternatives. 30 */ 31 @Deprecated 32 public final class ScriptIntrinsicYuvToRGB extends ScriptIntrinsic { 33 private Allocation mInput; 34 ScriptIntrinsicYuvToRGB(long id, RenderScript rs)35 ScriptIntrinsicYuvToRGB(long id, RenderScript rs) { 36 super(id, rs); 37 } 38 39 /** 40 * Create an intrinsic for converting YUV to RGB. 41 * 42 * Supported elements types are {@link Element#U8_4} 43 * 44 * @param rs The RenderScript context 45 * @param e Element type for output 46 * 47 * @return ScriptIntrinsicYuvToRGB 48 */ create(RenderScript rs, Element e)49 public static ScriptIntrinsicYuvToRGB create(RenderScript rs, Element e) { 50 // 6 comes from RS_SCRIPT_INTRINSIC_YUV_TO_RGB in rsDefines.h 51 long id = rs.nScriptIntrinsicCreate(6, e.getID(rs)); 52 ScriptIntrinsicYuvToRGB si = new ScriptIntrinsicYuvToRGB(id, rs); 53 return si; 54 } 55 56 57 /** 58 * Set the input yuv allocation, must be {@link Element#U8}. 59 * 60 * @param ain The input allocation. 61 */ setInput(Allocation ain)62 public void setInput(Allocation ain) { 63 mInput = ain; 64 setVar(0, ain); 65 } 66 67 /** 68 * Convert the image to RGB. 69 * 70 * @param aout Output allocation. Must match creation element 71 * type. 72 */ forEach(Allocation aout)73 public void forEach(Allocation aout) { 74 forEach(0, (Allocation) null, aout, null); 75 } 76 77 /** 78 * Get a KernelID for this intrinsic kernel. 79 * 80 * @return Script.KernelID The KernelID object. 81 */ getKernelID()82 public Script.KernelID getKernelID() { 83 return createKernelID(0, 2, null, null); 84 } 85 86 /** 87 * Get a FieldID for the input field of this intrinsic. 88 * 89 * @return Script.FieldID The FieldID object. 90 */ getFieldID_Input()91 public Script.FieldID getFieldID_Input() { 92 return createFieldID(0, null); 93 } 94 } 95