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. 21 */ 22 public final class ScriptIntrinsicResize extends ScriptIntrinsic { 23 private Allocation mInput; 24 ScriptIntrinsicResize(long id, RenderScript rs)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} 32 * {@link Element#F32}, {@link Element#F32_2}, {@link 33 * Element#F32_3}, {@link Element#F32_4} 34 * 35 * @param rs The RenderScript context 36 * 37 * @return ScriptIntrinsicResize 38 */ create(RenderScript rs)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 */ setInput(Allocation ain)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)) && 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))) { 62 throw new RSIllegalArgumentException("Unsupported element type."); 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 */ getFieldID_Input()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 */ forEach_bicubic(Allocation aout)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 */ forEach_bicubic(Allocation aout, Script.LaunchOptions opt)103 public void forEach_bicubic(Allocation aout, Script.LaunchOptions opt) { 104 forEach(0, (Allocation) null, aout, null, opt); 105 } 106 107 /** 108 * Get a KernelID for this intrinsic kernel. 109 * 110 * @return Script.KernelID The KernelID object. 111 */ getKernelID_bicubic()112 public Script.KernelID getKernelID_bicubic() { 113 return createKernelID(0, 2, null, null); 114 } 115 116 117 } 118