1ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams/* 2ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * Copyright (C) 2012 The Android Open Source Project 3ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * 4ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * Licensed under the Apache License, Version 2.0 (the "License"); 5ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * you may not use this file except in compliance with the License. 6ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * You may obtain a copy of the License at 7ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * 8ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * http://www.apache.org/licenses/LICENSE-2.0 9ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * 10ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * Unless required by applicable law or agreed to in writing, software 11ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * distributed under the License is distributed on an "AS IS" BASIS, 12ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * See the License for the specific language governing permissions and 14ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * limitations under the License. 15ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams */ 16ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams 17ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Samspackage android.support.v8.renderscript; 18ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams 19ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams 20ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams/** 21ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * Intrinsic for converting an Android YUV buffer to RGB. 22ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * 23ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * The input allocation is supplied in NV21 format as a U8 24ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * element type. The output is RGBA, the alpha channel will be 25ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * set to 255. 26ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams */ 27ce8b0e674c93035013d1c33aaabc9bb6ceffde0fTim Murraypublic class ScriptIntrinsicYuvToRGB extends ScriptIntrinsic { 28ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams private Allocation mInput; 29ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams 30ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams ScriptIntrinsicYuvToRGB(int id, RenderScript rs) { 31ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams super(id, rs); 32ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams } 33ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams 34ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams /** 35ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * Create an intrinsic for converting YUV to RGB. 36ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * 37ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * Supported elements types are {@link Element#U8_4} 38ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * 397d435ae5ba100be5710b685653cc351cab159c11Stephen Hines * @param rs The RenderScript context 40ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * @param e Element type for output 41ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * 42ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * @return ScriptIntrinsicYuvToRGB 43ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams */ 44ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams public static ScriptIntrinsicYuvToRGB create(RenderScript rs, Element e) { 45ce8b0e674c93035013d1c33aaabc9bb6ceffde0fTim Murray if (rs.isNative) { 46ce8b0e674c93035013d1c33aaabc9bb6ceffde0fTim Murray RenderScriptThunker rst = (RenderScriptThunker) rs; 47ce8b0e674c93035013d1c33aaabc9bb6ceffde0fTim Murray return ScriptIntrinsicYuvToRGBThunker.create(rs, e); 48ce8b0e674c93035013d1c33aaabc9bb6ceffde0fTim Murray } 49ce8b0e674c93035013d1c33aaabc9bb6ceffde0fTim Murray 50ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams // 6 comes from RS_SCRIPT_INTRINSIC_YUV_TO_RGB in rsDefines.h 51ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams int id = rs.nScriptIntrinsicCreate(6, e.getID(rs)); 52ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams ScriptIntrinsicYuvToRGB si = new ScriptIntrinsicYuvToRGB(id, rs); 53ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams return si; 54ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams } 55ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams 56ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams 57ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams /** 58ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * Set the input yuv allocation, must be {@link Element#U8}. 59ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * 60ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * @param ain The input allocation. 61ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams */ 62ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams public void setInput(Allocation ain) { 63ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams mInput = ain; 641b370e358d16cc3b50b169511d6b387db09f972dJason Sams setVar(0, ain); 65ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams } 66ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams 67ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams /** 68ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * Convert the image to RGB. 69ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * 70ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * @param aout Output allocation. Must match creation element 71ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * type. 72ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams */ 73ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams public void forEach(Allocation aout) { 74ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams forEach(0, null, aout, null); 75ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams } 76ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams 77ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams /** 78ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * Get a KernelID for this intrinsic kernel. 79ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * 80ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * @return Script.KernelID The KernelID object. 81ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams */ 82ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams public Script.KernelID getKernelID() { 83ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams return createKernelID(0, 2, null, null); 84ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams } 85ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams 86ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams /** 87ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * Get a FieldID for the input field of this intrinsic. 88ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * 89ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams * @return Script.FieldID The FieldID object. 90ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams */ 91ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams public Script.FieldID getFieldID_Input() { 92ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams return createFieldID(0, null); 93ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams } 94ca29b8caf56fa4866752f9cea4ec02b2a271dceeJason Sams} 95