1 /* 2 * Copyright (C) 2008-2012 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 java.util.Vector; 20 21 /** 22 * @hide 23 * @deprecated in API 16 24 * <p>This class is a container for geometric data displayed with 25 * RenderScript. Internally, a mesh is a collection of allocations that 26 * represent vertex data (positions, normals, texture 27 * coordinates) and index data such as triangles and lines. </p> 28 * <p> 29 * Vertex data could either be interleaved within one 30 * allocation that is provided separately, as multiple allocation 31 * objects, or done as a combination of both. When a 32 * vertex channel name matches an input in the vertex program, 33 * RenderScript automatically connects the two together. 34 * </p> 35 * <p> 36 * Parts of the mesh can be rendered with either explicit 37 * index sets or primitive types. 38 * </p> 39 **/ 40 public class Mesh extends BaseObj { 41 42 /** 43 * @deprecated in API 16 44 * Describes the way mesh vertex data is interpreted when rendering 45 * 46 **/ 47 public enum Primitive { 48 /** 49 * @deprecated in API 16 50 * Vertex data will be rendered as a series of points 51 */ 52 POINT (0), 53 /** 54 * @deprecated in API 16 55 * Vertex pairs will be rendered as lines 56 */ 57 LINE (1), 58 /** 59 * @deprecated in API 16 60 * Vertex data will be rendered as a connected line strip 61 */ 62 LINE_STRIP (2), 63 /** 64 * @deprecated in API 16 65 * Vertices will be rendered as individual triangles 66 */ 67 TRIANGLE (3), 68 /** 69 * @deprecated in API 16 70 * Vertices will be rendered as a connected triangle strip 71 * defined by the first three vertices with each additional 72 * triangle defined by a new vertex 73 */ 74 TRIANGLE_STRIP (4), 75 /** 76 * @deprecated in API 16 77 * Vertices will be rendered as a sequence of triangles that all 78 * share first vertex as the origin 79 */ 80 TRIANGLE_FAN (5); 81 82 int mID; Primitive(int id)83 Primitive(int id) { 84 mID = id; 85 } 86 } 87 88 Allocation[] mVertexBuffers; 89 Allocation[] mIndexBuffers; 90 Primitive[] mPrimitives; 91 Mesh(long id, RenderScript rs)92 Mesh(long id, RenderScript rs) { 93 super(id, rs); 94 } 95 96 /** 97 * @deprecated in API 16 98 * @return number of allocations containing vertex data 99 * 100 **/ getVertexAllocationCount()101 public int getVertexAllocationCount() { 102 if(mVertexBuffers == null) { 103 return 0; 104 } 105 return mVertexBuffers.length; 106 } 107 /** 108 * @deprecated in API 16 109 * @param slot index in the list of allocations to return 110 * @return vertex data allocation at the given index 111 * 112 **/ getVertexAllocation(int slot)113 public Allocation getVertexAllocation(int slot) { 114 return mVertexBuffers[slot]; 115 } 116 117 /** 118 * @deprecated in API 16 119 * @return number of primitives or index sets in the mesh 120 * 121 **/ getPrimitiveCount()122 public int getPrimitiveCount() { 123 if(mIndexBuffers == null) { 124 return 0; 125 } 126 return mIndexBuffers.length; 127 } 128 129 /** 130 * @deprecated in API 16 131 * @param slot locaton within the list of index set allocation 132 * @return allocation containing primtive index data or null if 133 * the index data is not specified explicitly 134 * 135 **/ getIndexSetAllocation(int slot)136 public Allocation getIndexSetAllocation(int slot) { 137 return mIndexBuffers[slot]; 138 } 139 /** 140 * @deprecated in API 16 141 * @param slot locaiton within the list of index set primitives 142 * @return index set primitive type 143 * 144 **/ getPrimitive(int slot)145 public Primitive getPrimitive(int slot) { 146 return mPrimitives[slot]; 147 } 148 149 @Override updateFromNative()150 void updateFromNative() { 151 super.updateFromNative(); 152 int vtxCount = mRS.nMeshGetVertexBufferCount(getID(mRS)); 153 int idxCount = mRS.nMeshGetIndexCount(getID(mRS)); 154 155 long[] vtxIDs = new long[vtxCount]; 156 long[] idxIDs = new long[idxCount]; 157 int[] primitives = new int[idxCount]; 158 159 mRS.nMeshGetVertices(getID(mRS), vtxIDs, vtxCount); 160 mRS.nMeshGetIndices(getID(mRS), idxIDs, primitives, idxCount); 161 162 mVertexBuffers = new Allocation[vtxCount]; 163 mIndexBuffers = new Allocation[idxCount]; 164 mPrimitives = new Primitive[idxCount]; 165 166 for(int i = 0; i < vtxCount; i ++) { 167 if(vtxIDs[i] != 0) { 168 mVertexBuffers[i] = new Allocation(vtxIDs[i], mRS, null, Allocation.USAGE_SCRIPT); 169 mVertexBuffers[i].updateFromNative(); 170 } 171 } 172 173 for(int i = 0; i < idxCount; i ++) { 174 if(idxIDs[i] != 0) { 175 mIndexBuffers[i] = new Allocation(idxIDs[i], mRS, null, Allocation.USAGE_SCRIPT); 176 mIndexBuffers[i].updateFromNative(); 177 } 178 mPrimitives[i] = Primitive.values()[primitives[i]]; 179 } 180 } 181 182 /** 183 * @deprecated in API 16 184 * Mesh builder object. It starts empty and requires you to 185 * add the types necessary to create vertex and index 186 * allocations. 187 * 188 */ 189 public static class Builder { 190 RenderScript mRS; 191 int mUsage; 192 193 class Entry { 194 Type t; 195 Element e; 196 int size; 197 Primitive prim; 198 int usage; 199 } 200 201 int mVertexTypeCount; 202 Entry[] mVertexTypes; 203 Vector mIndexTypes; 204 205 /** 206 * @deprecated in API 16 207 * Creates builder object 208 * @param rs Context to which the mesh will belong. 209 * @param usage specifies how the mesh allocations are to be 210 * handled, whether they need to be uploaded to a 211 * buffer on the gpu, maintain a cpu copy, etc 212 */ Builder(RenderScript rs, int usage)213 public Builder(RenderScript rs, int usage) { 214 mRS = rs; 215 mUsage = usage; 216 mVertexTypeCount = 0; 217 mVertexTypes = new Entry[16]; 218 mIndexTypes = new Vector(); 219 } 220 221 /** 222 * @deprecated in API 16 223 * @return internal index of the last vertex buffer type added to 224 * builder 225 **/ getCurrentVertexTypeIndex()226 public int getCurrentVertexTypeIndex() { 227 return mVertexTypeCount - 1; 228 } 229 230 /** 231 * @deprecated in API 16 232 * @return internal index of the last index set added to the 233 * builder 234 **/ getCurrentIndexSetIndex()235 public int getCurrentIndexSetIndex() { 236 return mIndexTypes.size() - 1; 237 } 238 239 /** 240 * @deprecated in API 16 241 * Adds a vertex data type to the builder object 242 * 243 * @param t type of the vertex data allocation to be created 244 * 245 * @return this 246 **/ addVertexType(Type t)247 public Builder addVertexType(Type t) throws IllegalStateException { 248 if (mVertexTypeCount >= mVertexTypes.length) { 249 throw new IllegalStateException("Max vertex types exceeded."); 250 } 251 252 mVertexTypes[mVertexTypeCount] = new Entry(); 253 mVertexTypes[mVertexTypeCount].t = t; 254 mVertexTypes[mVertexTypeCount].e = null; 255 mVertexTypeCount++; 256 return this; 257 } 258 259 /** 260 * @deprecated in API 16 261 * Adds a vertex data type to the builder object 262 * 263 * @param e element describing the vertex data layout 264 * @param size number of elements in the buffer 265 * 266 * @return this 267 **/ addVertexType(Element e, int size)268 public Builder addVertexType(Element e, int size) throws IllegalStateException { 269 if (mVertexTypeCount >= mVertexTypes.length) { 270 throw new IllegalStateException("Max vertex types exceeded."); 271 } 272 273 mVertexTypes[mVertexTypeCount] = new Entry(); 274 mVertexTypes[mVertexTypeCount].t = null; 275 mVertexTypes[mVertexTypeCount].e = e; 276 mVertexTypes[mVertexTypeCount].size = size; 277 mVertexTypeCount++; 278 return this; 279 } 280 281 /** 282 * @deprecated in API 16 283 * Adds an index set data type to the builder object 284 * 285 * @param t type of the index set data, could be null 286 * @param p primitive type 287 * 288 * @return this 289 **/ addIndexSetType(Type t, Primitive p)290 public Builder addIndexSetType(Type t, Primitive p) { 291 Entry indexType = new Entry(); 292 indexType.t = t; 293 indexType.e = null; 294 indexType.size = 0; 295 indexType.prim = p; 296 mIndexTypes.addElement(indexType); 297 return this; 298 } 299 300 /** 301 * @deprecated in API 16 302 * Adds an index set primitive type to the builder object 303 * 304 * @param p primitive type 305 * 306 * @return this 307 **/ addIndexSetType(Primitive p)308 public Builder addIndexSetType(Primitive p) { 309 Entry indexType = new Entry(); 310 indexType.t = null; 311 indexType.e = null; 312 indexType.size = 0; 313 indexType.prim = p; 314 mIndexTypes.addElement(indexType); 315 return this; 316 } 317 318 /** 319 * @deprecated in API 16 320 * Adds an index set data type to the builder object 321 * 322 * @param e element describing the index set data layout 323 * @param size number of elements in the buffer 324 * @param p primitive type 325 * 326 * @return this 327 **/ addIndexSetType(Element e, int size, Primitive p)328 public Builder addIndexSetType(Element e, int size, Primitive p) { 329 Entry indexType = new Entry(); 330 indexType.t = null; 331 indexType.e = e; 332 indexType.size = size; 333 indexType.prim = p; 334 mIndexTypes.addElement(indexType); 335 return this; 336 } 337 newType(Element e, int size)338 Type newType(Element e, int size) { 339 Type.Builder tb = new Type.Builder(mRS, e); 340 tb.setX(size); 341 return tb.create(); 342 } 343 344 /** 345 * @deprecated in API 16 346 * Create a Mesh object from the current state of the builder 347 * 348 **/ create()349 public Mesh create() { 350 mRS.validate(); 351 long[] vtx = new long[mVertexTypeCount]; 352 long[] idx = new long[mIndexTypes.size()]; 353 int[] prim = new int[mIndexTypes.size()]; 354 355 Allocation[] vertexBuffers = new Allocation[mVertexTypeCount]; 356 Allocation[] indexBuffers = new Allocation[mIndexTypes.size()]; 357 Primitive[] primitives = new Primitive[mIndexTypes.size()]; 358 359 for(int ct = 0; ct < mVertexTypeCount; ct ++) { 360 Allocation alloc = null; 361 Entry entry = mVertexTypes[ct]; 362 if (entry.t != null) { 363 alloc = Allocation.createTyped(mRS, entry.t, mUsage); 364 } else if(entry.e != null) { 365 alloc = Allocation.createSized(mRS, entry.e, entry.size, mUsage); 366 } 367 vertexBuffers[ct] = alloc; 368 vtx[ct] = alloc.getID(mRS); 369 } 370 371 for(int ct = 0; ct < mIndexTypes.size(); ct ++) { 372 Allocation alloc = null; 373 Entry entry = (Entry)mIndexTypes.elementAt(ct); 374 if (entry.t != null) { 375 alloc = Allocation.createTyped(mRS, entry.t, mUsage); 376 } else if(entry.e != null) { 377 alloc = Allocation.createSized(mRS, entry.e, entry.size, mUsage); 378 } 379 long allocID = (alloc == null) ? 0 : alloc.getID(mRS); 380 indexBuffers[ct] = alloc; 381 primitives[ct] = entry.prim; 382 383 idx[ct] = allocID; 384 prim[ct] = entry.prim.mID; 385 } 386 387 long id = mRS.nMeshCreate(vtx, idx, prim); 388 Mesh newMesh = new Mesh(id, mRS); 389 newMesh.mVertexBuffers = vertexBuffers; 390 newMesh.mIndexBuffers = indexBuffers; 391 newMesh.mPrimitives = primitives; 392 393 return newMesh; 394 } 395 } 396 397 /** 398 * @deprecated in API 16 399 * Mesh builder object. It starts empty and requires the user to 400 * add all the vertex and index allocations that comprise the 401 * mesh 402 * 403 */ 404 public static class AllocationBuilder { 405 RenderScript mRS; 406 407 class Entry { 408 Allocation a; 409 Primitive prim; 410 } 411 412 int mVertexTypeCount; 413 Entry[] mVertexTypes; 414 415 Vector mIndexTypes; 416 417 /** 418 * @deprecated in API 16 419 **/ AllocationBuilder(RenderScript rs)420 public AllocationBuilder(RenderScript rs) { 421 mRS = rs; 422 mVertexTypeCount = 0; 423 mVertexTypes = new Entry[16]; 424 mIndexTypes = new Vector(); 425 } 426 427 /** 428 * @deprecated in API 16 429 * @return internal index of the last vertex buffer type added to 430 * builder 431 **/ getCurrentVertexTypeIndex()432 public int getCurrentVertexTypeIndex() { 433 return mVertexTypeCount - 1; 434 } 435 436 /** 437 * @deprecated in API 16 438 * @return internal index of the last index set added to the 439 * builder 440 **/ getCurrentIndexSetIndex()441 public int getCurrentIndexSetIndex() { 442 return mIndexTypes.size() - 1; 443 } 444 445 /** 446 * @deprecated in API 16 447 * Adds an allocation containing vertex buffer data to the 448 * builder 449 * 450 * @param a vertex data allocation 451 * 452 * @return this 453 **/ addVertexAllocation(Allocation a)454 public AllocationBuilder addVertexAllocation(Allocation a) throws IllegalStateException { 455 if (mVertexTypeCount >= mVertexTypes.length) { 456 throw new IllegalStateException("Max vertex types exceeded."); 457 } 458 459 mVertexTypes[mVertexTypeCount] = new Entry(); 460 mVertexTypes[mVertexTypeCount].a = a; 461 mVertexTypeCount++; 462 return this; 463 } 464 465 /** 466 * @deprecated in API 16 467 * Adds an allocation containing index buffer data and index type 468 * to the builder 469 * 470 * @param a index set data allocation, could be null 471 * @param p index set primitive type 472 * 473 * @return this 474 **/ addIndexSetAllocation(Allocation a, Primitive p)475 public AllocationBuilder addIndexSetAllocation(Allocation a, Primitive p) { 476 Entry indexType = new Entry(); 477 indexType.a = a; 478 indexType.prim = p; 479 mIndexTypes.addElement(indexType); 480 return this; 481 } 482 483 /** 484 * @deprecated in API 16 485 * Adds an index set type to the builder 486 * 487 * @param p index set primitive type 488 * 489 * @return this 490 **/ addIndexSetType(Primitive p)491 public AllocationBuilder addIndexSetType(Primitive p) { 492 Entry indexType = new Entry(); 493 indexType.a = null; 494 indexType.prim = p; 495 mIndexTypes.addElement(indexType); 496 return this; 497 } 498 499 /** 500 * @deprecated in API 16 501 * Create a Mesh object from the current state of the builder 502 * 503 **/ create()504 public Mesh create() { 505 mRS.validate(); 506 507 long[] vtx = new long[mVertexTypeCount]; 508 long[] idx = new long[mIndexTypes.size()]; 509 int[] prim = new int[mIndexTypes.size()]; 510 511 Allocation[] indexBuffers = new Allocation[mIndexTypes.size()]; 512 Primitive[] primitives = new Primitive[mIndexTypes.size()]; 513 Allocation[] vertexBuffers = new Allocation[mVertexTypeCount]; 514 515 for(int ct = 0; ct < mVertexTypeCount; ct ++) { 516 Entry entry = mVertexTypes[ct]; 517 vertexBuffers[ct] = entry.a; 518 vtx[ct] = entry.a.getID(mRS); 519 } 520 521 for(int ct = 0; ct < mIndexTypes.size(); ct ++) { 522 Entry entry = (Entry)mIndexTypes.elementAt(ct); 523 long allocID = (entry.a == null) ? 0 : entry.a.getID(mRS); 524 indexBuffers[ct] = entry.a; 525 primitives[ct] = entry.prim; 526 527 idx[ct] = allocID; 528 prim[ct] = entry.prim.mID; 529 } 530 531 long id = mRS.nMeshCreate(vtx, idx, prim); 532 Mesh newMesh = new Mesh(id, mRS); 533 newMesh.mVertexBuffers = vertexBuffers; 534 newMesh.mIndexBuffers = indexBuffers; 535 newMesh.mPrimitives = primitives; 536 537 return newMesh; 538 } 539 } 540 541 /** 542 * @deprecated in API 16 543 * Builder that allows creation of a mesh object point by point 544 * and triangle by triangle 545 * 546 **/ 547 public static class TriangleMeshBuilder { 548 float mVtxData[]; 549 int mVtxCount; 550 int mMaxIndex; 551 short mIndexData[]; 552 int mIndexCount; 553 RenderScript mRS; 554 Element mElement; 555 556 float mNX = 0; 557 float mNY = 0; 558 float mNZ = -1; 559 float mS0 = 0; 560 float mT0 = 0; 561 float mR = 1; 562 float mG = 1; 563 float mB = 1; 564 float mA = 1; 565 566 int mVtxSize; 567 int mFlags; 568 569 /** 570 * @deprecated in API 16 571 **/ 572 public static final int COLOR = 0x0001; 573 /** 574 * @deprecated in API 16 575 **/ 576 public static final int NORMAL = 0x0002; 577 /** 578 * @deprecated in API 16 579 **/ 580 public static final int TEXTURE_0 = 0x0100; 581 582 /** 583 * @deprecated in API 16 584 * @param rs Context to which the mesh will belong. 585 * @param vtxSize specifies whether the vertex is a float2 or 586 * float3 587 * @param flags bitfield that is a combination of COLOR, NORMAL, 588 * and TEXTURE_0 that specifies what vertex data 589 * channels are present in the mesh 590 * 591 **/ TriangleMeshBuilder(RenderScript rs, int vtxSize, int flags)592 public TriangleMeshBuilder(RenderScript rs, int vtxSize, int flags) { 593 mRS = rs; 594 mVtxCount = 0; 595 mMaxIndex = 0; 596 mIndexCount = 0; 597 mVtxData = new float[128]; 598 mIndexData = new short[128]; 599 mVtxSize = vtxSize; 600 mFlags = flags; 601 602 if (vtxSize < 2 || vtxSize > 3) { 603 throw new IllegalArgumentException("Vertex size out of range."); 604 } 605 } 606 makeSpace(int count)607 private void makeSpace(int count) { 608 if ((mVtxCount + count) >= mVtxData.length) { 609 float t[] = new float[mVtxData.length * 2]; 610 System.arraycopy(mVtxData, 0, t, 0, mVtxData.length); 611 mVtxData = t; 612 } 613 } 614 latch()615 private void latch() { 616 if ((mFlags & COLOR) != 0) { 617 makeSpace(4); 618 mVtxData[mVtxCount++] = mR; 619 mVtxData[mVtxCount++] = mG; 620 mVtxData[mVtxCount++] = mB; 621 mVtxData[mVtxCount++] = mA; 622 } 623 if ((mFlags & TEXTURE_0) != 0) { 624 makeSpace(2); 625 mVtxData[mVtxCount++] = mS0; 626 mVtxData[mVtxCount++] = mT0; 627 } 628 if ((mFlags & NORMAL) != 0) { 629 makeSpace(4); 630 mVtxData[mVtxCount++] = mNX; 631 mVtxData[mVtxCount++] = mNY; 632 mVtxData[mVtxCount++] = mNZ; 633 mVtxData[mVtxCount++] = 0.0f; 634 } 635 mMaxIndex ++; 636 } 637 638 /** 639 * @deprecated in API 16 640 * Adds a float2 vertex to the mesh 641 * 642 * @param x position x 643 * @param y position y 644 * 645 * @return this 646 * 647 **/ addVertex(float x, float y)648 public TriangleMeshBuilder addVertex(float x, float y) { 649 if (mVtxSize != 2) { 650 throw new IllegalStateException("add mistmatch with declared components."); 651 } 652 makeSpace(2); 653 mVtxData[mVtxCount++] = x; 654 mVtxData[mVtxCount++] = y; 655 latch(); 656 return this; 657 } 658 659 /** 660 * @deprecated in API 16 661 * Adds a float3 vertex to the mesh 662 * 663 * @param x position x 664 * @param y position y 665 * @param z position z 666 * 667 * @return this 668 * 669 **/ addVertex(float x, float y, float z)670 public TriangleMeshBuilder addVertex(float x, float y, float z) { 671 if (mVtxSize != 3) { 672 throw new IllegalStateException("add mistmatch with declared components."); 673 } 674 makeSpace(4); 675 mVtxData[mVtxCount++] = x; 676 mVtxData[mVtxCount++] = y; 677 mVtxData[mVtxCount++] = z; 678 mVtxData[mVtxCount++] = 1.0f; 679 latch(); 680 return this; 681 } 682 683 /** 684 * @deprecated in API 16 685 * Sets the texture coordinate for the vertices that are added after this method call. 686 * 687 * @param s texture coordinate s 688 * @param t texture coordinate t 689 * 690 * @return this 691 **/ setTexture(float s, float t)692 public TriangleMeshBuilder setTexture(float s, float t) { 693 if ((mFlags & TEXTURE_0) == 0) { 694 throw new IllegalStateException("add mistmatch with declared components."); 695 } 696 mS0 = s; 697 mT0 = t; 698 return this; 699 } 700 701 /** 702 * @deprecated in API 16 703 * Sets the normal vector for the vertices that are added after this method call. 704 * 705 * @param x normal vector x 706 * @param y normal vector y 707 * @param z normal vector z 708 * 709 * @return this 710 **/ setNormal(float x, float y, float z)711 public TriangleMeshBuilder setNormal(float x, float y, float z) { 712 if ((mFlags & NORMAL) == 0) { 713 throw new IllegalStateException("add mistmatch with declared components."); 714 } 715 mNX = x; 716 mNY = y; 717 mNZ = z; 718 return this; 719 } 720 721 /** 722 * @deprecated in API 16 723 * Sets the color for the vertices that are added after this method call. 724 * 725 * @param r red component 726 * @param g green component 727 * @param b blue component 728 * @param a alpha component 729 * 730 * @return this 731 **/ setColor(float r, float g, float b, float a)732 public TriangleMeshBuilder setColor(float r, float g, float b, float a) { 733 if ((mFlags & COLOR) == 0) { 734 throw new IllegalStateException("add mistmatch with declared components."); 735 } 736 mR = r; 737 mG = g; 738 mB = b; 739 mA = a; 740 return this; 741 } 742 743 /** 744 * @deprecated in API 16 745 * Adds a new triangle to the mesh builder 746 * 747 * @param idx1 index of the first vertex in the triangle 748 * @param idx2 index of the second vertex in the triangle 749 * @param idx3 index of the third vertex in the triangle 750 * 751 * @return this 752 **/ addTriangle(int idx1, int idx2, int idx3)753 public TriangleMeshBuilder addTriangle(int idx1, int idx2, int idx3) { 754 if((idx1 >= mMaxIndex) || (idx1 < 0) || 755 (idx2 >= mMaxIndex) || (idx2 < 0) || 756 (idx3 >= mMaxIndex) || (idx3 < 0)) { 757 throw new IllegalStateException("Index provided greater than vertex count."); 758 } 759 if ((mIndexCount + 3) >= mIndexData.length) { 760 short t[] = new short[mIndexData.length * 2]; 761 System.arraycopy(mIndexData, 0, t, 0, mIndexData.length); 762 mIndexData = t; 763 } 764 mIndexData[mIndexCount++] = (short)idx1; 765 mIndexData[mIndexCount++] = (short)idx2; 766 mIndexData[mIndexCount++] = (short)idx3; 767 return this; 768 } 769 770 /** 771 * @deprecated in API 16 772 * Creates the mesh object from the current state of the builder 773 * 774 * @param uploadToBufferObject specifies whether the vertex data 775 * is to be uploaded into the buffer 776 * object indicating that it's likely 777 * not going to be modified and 778 * rendered many times. 779 * Alternatively, it indicates the 780 * mesh data will be updated 781 * frequently and remain in script 782 * accessible memory 783 * 784 **/ create(boolean uploadToBufferObject)785 public Mesh create(boolean uploadToBufferObject) { 786 Element.Builder b = new Element.Builder(mRS); 787 b.add(Element.createVector(mRS, 788 Element.DataType.FLOAT_32, 789 mVtxSize), "position"); 790 if ((mFlags & COLOR) != 0) { 791 b.add(Element.F32_4(mRS), "color"); 792 } 793 if ((mFlags & TEXTURE_0) != 0) { 794 b.add(Element.F32_2(mRS), "texture0"); 795 } 796 if ((mFlags & NORMAL) != 0) { 797 b.add(Element.F32_3(mRS), "normal"); 798 } 799 mElement = b.create(); 800 801 int usage = Allocation.USAGE_SCRIPT; 802 if (uploadToBufferObject) { 803 usage |= Allocation.USAGE_GRAPHICS_VERTEX; 804 } 805 806 Builder smb = new Builder(mRS, usage); 807 smb.addVertexType(mElement, mMaxIndex); 808 smb.addIndexSetType(Element.U16(mRS), mIndexCount, Primitive.TRIANGLE); 809 810 Mesh sm = smb.create(); 811 812 sm.getVertexAllocation(0).copy1DRangeFromUnchecked(0, mMaxIndex, mVtxData); 813 if(uploadToBufferObject) { 814 if (uploadToBufferObject) { 815 sm.getVertexAllocation(0).syncAll(Allocation.USAGE_SCRIPT); 816 } 817 } 818 819 sm.getIndexSetAllocation(0).copy1DRangeFromUnchecked(0, mIndexCount, mIndexData); 820 if (uploadToBufferObject) { 821 sm.getIndexSetAllocation(0).syncAll(Allocation.USAGE_SCRIPT); 822 } 823 824 return sm; 825 } 826 } 827 } 828 829