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 * 26 **/ 27 public class AllocationAdapter extends Allocation { 28 AllocationAdapter(int id, RenderScript rs, Allocation alloc) { 29 super(id, rs, alloc.mType, alloc.mUsage); 30 mAdaptedAllocation = alloc; 31 } 32 33 int getID() { 34 throw new RSInvalidStateException( 35 "This operation is not supported with adapters at this time."); 36 } 37 38 /** 39 * @hide 40 */ 41 public void subData(int xoff, FieldPacker fp) { 42 super.setFromFieldPacker(xoff, fp); 43 } 44 /** 45 * @hide 46 */ 47 public void subElementData(int xoff, int component_number, FieldPacker fp) { 48 super.setFromFieldPacker(xoff, component_number, fp); 49 } 50 /** 51 * @hide 52 */ 53 public void subData1D(int off, int count, int[] d) { 54 super.copy1DRangeFrom(off, count, d); 55 } 56 /** 57 * @hide 58 */ 59 public void subData1D(int off, int count, short[] d) { 60 super.copy1DRangeFrom(off, count, d); 61 } 62 /** 63 * @hide 64 */ 65 public void subData1D(int off, int count, byte[] d) { 66 super.copy1DRangeFrom(off, count, d); 67 } 68 /** 69 * @hide 70 */ 71 public void subData1D(int off, int count, float[] d) { 72 super.copy1DRangeFrom(off, count, d); 73 } 74 /** 75 * @hide 76 */ 77 public void subData2D(int xoff, int yoff, int w, int h, int[] d) { 78 super.copy2DRangeFrom(xoff, yoff, w, h, d); 79 } 80 /** 81 * @hide 82 */ 83 public void subData2D(int xoff, int yoff, int w, int h, float[] d) { 84 super.copy2DRangeFrom(xoff, yoff, w, h, d); 85 } 86 /** 87 * @hide 88 */ 89 public void readData(int[] d) { 90 super.copyTo(d); 91 } 92 /** 93 * @hide 94 */ 95 public void readData(float[] d) { 96 super.copyTo(d); 97 } 98 99 void initLOD(int lod) { 100 if (lod < 0) { 101 throw new RSIllegalArgumentException("Attempting to set negative lod (" + lod + ")."); 102 } 103 104 int tx = mAdaptedAllocation.mType.getX(); 105 int ty = mAdaptedAllocation.mType.getY(); 106 int tz = mAdaptedAllocation.mType.getZ(); 107 108 for (int ct=0; ct < lod; ct++) { 109 if ((tx==1) && (ty == 1) && (tz == 1)) { 110 throw new RSIllegalArgumentException("Attempting to set lod (" + lod + ") out of range."); 111 } 112 113 if (tx > 1) tx >>= 1; 114 if (ty > 1) ty >>= 1; 115 if (tz > 1) tz >>= 1; 116 } 117 118 mCurrentDimX = tx; 119 mCurrentDimY = ty; 120 mCurrentDimZ = tz; 121 mCurrentCount = mCurrentDimX; 122 if (mCurrentDimY > 1) { 123 mCurrentCount *= mCurrentDimY; 124 } 125 if (mCurrentDimZ > 1) { 126 mCurrentCount *= mCurrentDimZ; 127 } 128 mSelectedY = 0; 129 mSelectedZ = 0; 130 } 131 132 /** 133 * Set the active LOD. The LOD must be within the range for the 134 * type being adapted. The base allocation must have mipmaps. 135 * 136 * Because this changes the dimensions of the adapter the 137 * current Y and Z will be reset. 138 * 139 * @param lod The LOD to make active. 140 */ 141 public void setLOD(int lod) { 142 if (!mAdaptedAllocation.getType().hasMipmaps()) { 143 throw new RSInvalidStateException("Cannot set LOD when the allocation type does not include mipmaps."); 144 } 145 if (!mConstrainedLOD) { 146 throw new RSInvalidStateException("Cannot set LOD when the adapter includes mipmaps."); 147 } 148 149 initLOD(lod); 150 } 151 152 /** 153 * Set the active Face. The base allocation must be of a type 154 * that includes faces. 155 * 156 * @param cf The face to make active. 157 */ 158 public void setFace(Type.CubemapFace cf) { 159 if (!mAdaptedAllocation.getType().hasFaces()) { 160 throw new RSInvalidStateException("Cannot set Face when the allocation type does not include faces."); 161 } 162 if (!mConstrainedFace) { 163 throw new RSInvalidStateException("Cannot set LOD when the adapter includes mipmaps."); 164 } 165 if (cf == null) { 166 throw new RSIllegalArgumentException("Cannot set null face."); 167 } 168 169 mSelectedFace = cf; 170 } 171 172 /** 173 * Set the active Y. The y value must be within the range for 174 * the allocation being adapted. The base allocation must 175 * contain the Y dimension. 176 * 177 * @param y The y to make active. 178 */ 179 public void setY(int y) { 180 if (mAdaptedAllocation.getType().getY() == 0) { 181 throw new RSInvalidStateException("Cannot set Y when the allocation type does not include Y dim."); 182 } 183 if (mAdaptedAllocation.getType().getY() <= y) { 184 throw new RSInvalidStateException("Cannot set Y greater than dimension of allocation."); 185 } 186 if (!mConstrainedY) { 187 throw new RSInvalidStateException("Cannot set Y when the adapter includes Y."); 188 } 189 190 mSelectedY = y; 191 } 192 193 /** 194 * Set the active Z. The z value must be within the range for 195 * the allocation being adapted. The base allocation must 196 * contain the Z dimension. 197 * 198 * @param z The z to make active. 199 */ 200 public void setZ(int z) { 201 if (mAdaptedAllocation.getType().getZ() == 0) { 202 throw new RSInvalidStateException("Cannot set Z when the allocation type does not include Z dim."); 203 } 204 if (mAdaptedAllocation.getType().getZ() <= z) { 205 throw new RSInvalidStateException("Cannot set Z greater than dimension of allocation."); 206 } 207 if (!mConstrainedZ) { 208 throw new RSInvalidStateException("Cannot set Z when the adapter includes Z."); 209 } 210 211 mSelectedZ = z; 212 } 213 214 static public AllocationAdapter create1D(RenderScript rs, Allocation a) { 215 rs.validate(); 216 AllocationAdapter aa = new AllocationAdapter(0, rs, a); 217 aa.mConstrainedLOD = true; 218 aa.mConstrainedFace = true; 219 aa.mConstrainedY = true; 220 aa.mConstrainedZ = true; 221 aa.initLOD(0); 222 return aa; 223 } 224 225 static public AllocationAdapter create2D(RenderScript rs, Allocation a) { 226 android.util.Log.e("rs", "create2d " + 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
