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