1 /* 2 * Copyright (C) 2008 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 import android.content.res.Resources; 20 import android.graphics.Bitmap; 21 import android.graphics.BitmapFactory; 22 import android.util.TypedValue; 23 24 /** 25 * Only intended for use by generated reflected code. 26 * 27 **/ 28 public class AllocationAdapter extends Allocation { 29 AllocationAdapter(int id, RenderScript rs, Allocation alloc) { 30 super(id, rs, alloc.mType, alloc.mUsage); 31 mAdaptedAllocation = alloc; 32 } 33 34 int getID(RenderScript rs) { 35 throw new RSInvalidStateException( 36 "This operation is not supported with adapters at this time."); 37 } 38 39 /** 40 * @hide 41 */ 42 public void subData(int xoff, FieldPacker fp) { 43 super.setFromFieldPacker(xoff, fp); 44 } 45 /** 46 * @hide 47 */ 48 public void subElementData(int xoff, int component_number, FieldPacker fp) { 49 super.setFromFieldPacker(xoff, component_number, fp); 50 } 51 /** 52 * @hide 53 */ 54 public void subData1D(int off, int count, int[] d) { 55 super.copy1DRangeFrom(off, count, d); 56 } 57 /** 58 * @hide 59 */ 60 public void subData1D(int off, int count, short[] d) { 61 super.copy1DRangeFrom(off, count, d); 62 } 63 /** 64 * @hide 65 */ 66 public void subData1D(int off, int count, byte[] d) { 67 super.copy1DRangeFrom(off, count, d); 68 } 69 /** 70 * @hide 71 */ 72 public void subData1D(int off, int count, float[] d) { 73 super.copy1DRangeFrom(off, count, d); 74 } 75 /** 76 * @hide 77 */ 78 public void subData2D(int xoff, int yoff, int w, int h, int[] d) { 79 super.copy2DRangeFrom(xoff, yoff, w, h, d); 80 } 81 /** 82 * @hide 83 */ 84 public void subData2D(int xoff, int yoff, int w, int h, float[] d) { 85 super.copy2DRangeFrom(xoff, yoff, w, h, d); 86 } 87 /** 88 * @hide 89 */ 90 public void readData(int[] d) { 91 super.copyTo(d); 92 } 93 /** 94 * @hide 95 */ 96 public void readData(float[] d) { 97 super.copyTo(d); 98 } 99 100 void initLOD(int lod) { 101 if (lod < 0) { 102 throw new RSIllegalArgumentException("Attempting to set negative lod (" + lod + ")."); 103 } 104 105 int tx = mAdaptedAllocation.mType.getX(); 106 int ty = mAdaptedAllocation.mType.getY(); 107 int tz = mAdaptedAllocation.mType.getZ(); 108 109 for (int ct=0; ct < lod; ct++) { 110 if ((tx==1) && (ty == 1) && (tz == 1)) { 111 throw new RSIllegalArgumentException("Attempting to set lod (" + lod + ") out of range."); 112 } 113 114 if (tx > 1) tx >>= 1; 115 if (ty > 1) ty >>= 1; 116 if (tz > 1) tz >>= 1; 117 } 118 119 mCurrentDimX = tx; 120 mCurrentDimY = ty; 121 mCurrentDimZ = tz; 122 mCurrentCount = mCurrentDimX; 123 if (mCurrentDimY > 1) { 124 mCurrentCount *= mCurrentDimY; 125 } 126 if (mCurrentDimZ > 1) { 127 mCurrentCount *= mCurrentDimZ; 128 } 129 mSelectedY = 0; 130 mSelectedZ = 0; 131 } 132 133 /** 134 * Set the active LOD. The LOD must be within the range for the 135 * type being adapted. The base allocation must have mipmaps. 136 * 137 * Because this changes the dimensions of the adapter the 138 * current Y and Z will be reset. 139 * 140 * @param lod The LOD to make active. 141 */ 142 public void setLOD(int lod) { 143 if (!mAdaptedAllocation.getType().hasMipmaps()) { 144 throw new RSInvalidStateException("Cannot set LOD when the allocation type does not include mipmaps."); 145 } 146 if (!mConstrainedLOD) { 147 throw new RSInvalidStateException("Cannot set LOD when the adapter includes mipmaps."); 148 } 149 150 initLOD(lod); 151 } 152 153 /** 154 * Set the active Face. The base allocation must be of a type 155 * that includes faces. 156 * 157 * @param cf The face to make active. 158 */ 159 public void setFace(Type.CubemapFace cf) { 160 if (!mAdaptedAllocation.getType().hasFaces()) { 161 throw new RSInvalidStateException("Cannot set Face when the allocation type does not include faces."); 162 } 163 if (!mConstrainedFace) { 164 throw new RSInvalidStateException("Cannot set LOD when the adapter includes mipmaps."); 165 } 166 if (cf == null) { 167 throw new RSIllegalArgumentException("Cannot set null face."); 168 } 169 170 mSelectedFace = cf; 171 } 172 173 /** 174 * Set the active Y. The y value must be within the range for 175 * the allocation being adapted. The base allocation must 176 * contain the Y dimension. 177 * 178 * @param y The y to make active. 179 */ 180 public void setY(int y) { 181 if (mAdaptedAllocation.getType().getY() == 0) { 182 throw new RSInvalidStateException("Cannot set Y when the allocation type does not include Y dim."); 183 } 184 if (mAdaptedAllocation.getType().getY() <= y) { 185 throw new RSInvalidStateException("Cannot set Y greater than dimension of allocation."); 186 } 187 if (!mConstrainedY) { 188 throw new RSInvalidStateException("Cannot set Y when the adapter includes Y."); 189 } 190 191 mSelectedY = y; 192 } 193 194 /** 195 * Set the active Z. The z value must be within the range for 196 * the allocation being adapted. The base allocation must 197 * contain the Z dimension. 198 * 199 * @param z The z to make active. 200 */ 201 public void setZ(int z) { 202 if (mAdaptedAllocation.getType().getZ() == 0) { 203 throw new RSInvalidStateException("Cannot set Z when the allocation type does not include Z dim."); 204 } 205 if (mAdaptedAllocation.getType().getZ() <= z) { 206 throw new RSInvalidStateException("Cannot set Z greater than dimension of allocation."); 207 } 208 if (!mConstrainedZ) { 209 throw new RSInvalidStateException("Cannot set Z when the adapter includes Z."); 210 } 211 212 mSelectedZ = z; 213 } 214 215 static public AllocationAdapter create1D(RenderScript rs, Allocation a) { 216 rs.validate(); 217 AllocationAdapter aa = new AllocationAdapter(0, rs, a); 218 aa.mConstrainedLOD = true; 219 aa.mConstrainedFace = true; 220 aa.mConstrainedY = true; 221 aa.mConstrainedZ = true; 222 aa.initLOD(0); 223 return aa; 224 } 225 226 static public AllocationAdapter create2D(RenderScript rs, Allocation a) { 227 rs.validate(); 228 AllocationAdapter aa = new AllocationAdapter(0, rs, a); 229 aa.mConstrainedLOD = true; 230 aa.mConstrainedFace = true; 231 aa.mConstrainedY = false; 232 aa.mConstrainedZ = true; 233 aa.initLOD(0); 234 return aa; 235 } 236 237 238 /** 239 * Override the Allocation resize. Resizing adapters is not 240 * allowed and will throw a RSInvalidStateException. 241 * 242 * @param dimX ignored. 243 */ 244 public synchronized void resize(int dimX) { 245 throw new RSInvalidStateException("Resize not allowed for Adapters."); 246 } 247 248 } 249 250 251
