Jason Sams | 464af41 | 2014-04-16 17:13:09 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2014 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 | * Intrinsic for performing a resize of a 2D allocation. |
Jason Sams | 464af41 | 2014-04-16 17:13:09 -0700 | [diff] [blame] | 21 | */ |
| 22 | public final class ScriptIntrinsicResize extends ScriptIntrinsic { |
| 23 | private Allocation mInput; |
| 24 | |
| 25 | private ScriptIntrinsicResize(long id, RenderScript rs) { |
| 26 | super(id, rs); |
| 27 | } |
| 28 | |
| 29 | /** |
| 30 | * Supported elements types are {@link Element#U8}, {@link |
| 31 | * Element#U8_2}, {@link Element#U8_3}, {@link Element#U8_4} |
Miao Wang | 8f3cc45 | 2014-11-13 15:32:18 -0800 | [diff] [blame] | 32 | * {@link Element#F32}, {@link Element#F32_2}, {@link |
| 33 | * Element#F32_3}, {@link Element#F32_4} |
Jason Sams | 464af41 | 2014-04-16 17:13:09 -0700 | [diff] [blame] | 34 | * |
| 35 | * @param rs The RenderScript context |
| 36 | * |
| 37 | * @return ScriptIntrinsicResize |
| 38 | */ |
| 39 | public static ScriptIntrinsicResize create(RenderScript rs) { |
| 40 | long id = rs.nScriptIntrinsicCreate(12, 0); |
| 41 | ScriptIntrinsicResize si = new ScriptIntrinsicResize(id, rs); |
| 42 | return si; |
| 43 | |
| 44 | } |
| 45 | |
| 46 | /** |
| 47 | * Set the input of the resize. |
| 48 | * Must match the element type supplied during create. |
| 49 | * |
| 50 | * @param ain The input allocation. |
| 51 | */ |
| 52 | public void setInput(Allocation ain) { |
| 53 | Element e = ain.getElement(); |
| 54 | if (!e.isCompatible(Element.U8(mRS)) && |
| 55 | !e.isCompatible(Element.U8_2(mRS)) && |
| 56 | !e.isCompatible(Element.U8_3(mRS)) && |
Miao Wang | 8f3cc45 | 2014-11-13 15:32:18 -0800 | [diff] [blame] | 57 | !e.isCompatible(Element.U8_4(mRS)) && |
| 58 | !e.isCompatible(Element.F32(mRS)) && |
| 59 | !e.isCompatible(Element.F32_2(mRS)) && |
| 60 | !e.isCompatible(Element.F32_3(mRS)) && |
| 61 | !e.isCompatible(Element.F32_4(mRS))) { |
Stephen Hines | ad57e33 | 2016-04-11 13:05:55 -0700 | [diff] [blame] | 62 | throw new RSIllegalArgumentException("Unsupported element type."); |
Jason Sams | 464af41 | 2014-04-16 17:13:09 -0700 | [diff] [blame] | 63 | } |
| 64 | |
| 65 | mInput = ain; |
| 66 | setVar(0, ain); |
| 67 | } |
| 68 | |
| 69 | /** |
| 70 | * Get a FieldID for the input field of this intrinsic. |
| 71 | * |
| 72 | * @return Script.FieldID The FieldID object. |
| 73 | */ |
| 74 | public Script.FieldID getFieldID_Input() { |
| 75 | return createFieldID(0, null); |
| 76 | } |
| 77 | |
| 78 | |
| 79 | /** |
| 80 | * Resize copy the input allocation to the output specified. The |
| 81 | * Allocation is rescaled if necessary using bi-cubic |
| 82 | * interpolation. |
| 83 | * |
| 84 | * @param aout Output allocation. Element type must match |
| 85 | * current input. Must not be same as input. |
| 86 | */ |
| 87 | public void forEach_bicubic(Allocation aout) { |
| 88 | if (aout == mInput) { |
| 89 | throw new RSIllegalArgumentException("Output cannot be same as Input."); |
| 90 | } |
| 91 | forEach_bicubic(aout, null); |
| 92 | } |
| 93 | |
| 94 | /** |
| 95 | * Resize copy the input allocation to the output specified. The |
| 96 | * Allocation is rescaled if necessary using bi-cubic |
| 97 | * interpolation. |
| 98 | * |
| 99 | * @param aout Output allocation. Element type must match |
| 100 | * current input. |
| 101 | * @param opt LaunchOptions for clipping |
| 102 | */ |
| 103 | public void forEach_bicubic(Allocation aout, Script.LaunchOptions opt) { |
Chris Wailes | 9496106 | 2014-06-11 12:01:28 -0700 | [diff] [blame] | 104 | forEach(0, (Allocation) null, aout, null, opt); |
Jason Sams | 464af41 | 2014-04-16 17:13:09 -0700 | [diff] [blame] | 105 | } |
| 106 | |
| 107 | /** |
| 108 | * Get a KernelID for this intrinsic kernel. |
| 109 | * |
| 110 | * @return Script.KernelID The KernelID object. |
| 111 | */ |
| 112 | public Script.KernelID getKernelID_bicubic() { |
| 113 | return createKernelID(0, 2, null, null); |
| 114 | } |
| 115 | |
| 116 | |
| 117 | } |