Jason Sams | 6ab9768 | 2012-08-10 12:09:43 -0700 | [diff] [blame] | 1 | /* |
Jason Sams | 8fd5853 | 2012-09-05 15:30:18 -0700 | [diff] [blame] | 2 | * Copyright (C) 2012 The Android Open Source Project |
Jason Sams | 6ab9768 | 2012-08-10 12:09:43 -0700 | [diff] [blame] | 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 | |
Jason Sams | 6ab9768 | 2012-08-10 12:09:43 -0700 | [diff] [blame] | 19 | |
| 20 | /** |
Jason Sams | e69e9e6 | 2012-09-18 18:23:15 -0700 | [diff] [blame] | 21 | * Intrinsic for converting an Android YUV buffer to RGB. |
| 22 | * |
Tim Murray | 932e78e | 2013-09-03 11:42:26 -0700 | [diff] [blame] | 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. |
Jason Sams | e69e9e6 | 2012-09-18 18:23:15 -0700 | [diff] [blame] | 26 | */ |
| 27 | public final class ScriptIntrinsicYuvToRGB extends ScriptIntrinsic { |
| 28 | private Allocation mInput; |
| 29 | |
Jason Sams | 6ab9768 | 2012-08-10 12:09:43 -0700 | [diff] [blame] | 30 | ScriptIntrinsicYuvToRGB(int id, RenderScript rs) { |
| 31 | super(id, rs); |
| 32 | } |
| 33 | |
Jason Sams | e69e9e6 | 2012-09-18 18:23:15 -0700 | [diff] [blame] | 34 | /** |
| 35 | * Create an intrinsic for converting YUV to RGB. |
| 36 | * |
| 37 | * Supported elements types are {@link Element#U8_4} |
| 38 | * |
Tim Murray | c11e25c | 2013-04-09 11:01:01 -0700 | [diff] [blame] | 39 | * @param rs The RenderScript context |
Jason Sams | e69e9e6 | 2012-09-18 18:23:15 -0700 | [diff] [blame] | 40 | * @param e Element type for output |
| 41 | * |
| 42 | * @return ScriptIntrinsicYuvToRGB |
| 43 | */ |
| 44 | public static ScriptIntrinsicYuvToRGB create(RenderScript rs, Element e) { |
| 45 | // 6 comes from RS_SCRIPT_INTRINSIC_YUV_TO_RGB in rsDefines.h |
| 46 | int id = rs.nScriptIntrinsicCreate(6, e.getID(rs)); |
| 47 | ScriptIntrinsicYuvToRGB si = new ScriptIntrinsicYuvToRGB(id, rs); |
| 48 | return si; |
Jason Sams | 6ab9768 | 2012-08-10 12:09:43 -0700 | [diff] [blame] | 49 | } |
| 50 | |
Jason Sams | e69e9e6 | 2012-09-18 18:23:15 -0700 | [diff] [blame] | 51 | |
| 52 | /** |
| 53 | * Set the input yuv allocation, must be {@link Element#U8}. |
| 54 | * |
| 55 | * @param ain The input allocation. |
| 56 | */ |
| 57 | public void setInput(Allocation ain) { |
| 58 | mInput = ain; |
Jason Sams | e6a7886 | 2012-10-15 15:45:12 -0700 | [diff] [blame] | 59 | setVar(0, ain); |
Jason Sams | e69e9e6 | 2012-09-18 18:23:15 -0700 | [diff] [blame] | 60 | } |
| 61 | |
| 62 | /** |
| 63 | * Convert the image to RGB. |
| 64 | * |
| 65 | * @param aout Output allocation. Must match creation element |
| 66 | * type. |
| 67 | */ |
| 68 | public void forEach(Allocation aout) { |
| 69 | forEach(0, null, aout, null); |
| 70 | } |
| 71 | |
| 72 | /** |
| 73 | * Get a KernelID for this intrinsic kernel. |
| 74 | * |
| 75 | * @return Script.KernelID The KernelID object. |
| 76 | */ |
| 77 | public Script.KernelID getKernelID() { |
| 78 | return createKernelID(0, 2, null, null); |
| 79 | } |
| 80 | |
| 81 | /** |
| 82 | * Get a FieldID for the input field of this intrinsic. |
| 83 | * |
| 84 | * @return Script.FieldID The FieldID object. |
| 85 | */ |
| 86 | public Script.FieldID getFieldID_Input() { |
| 87 | return createFieldID(0, null); |
| 88 | } |
Jason Sams | 6ab9768 | 2012-08-10 12:09:43 -0700 | [diff] [blame] | 89 | } |