1/* 2 * Copyright (C) 2011 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#ifndef ANDROID_RS_MESH_H 18#define ANDROID_RS_MESH_H 19 20 21#include "RenderScript.h" 22 23// --------------------------------------------------------------------------- 24namespace android { 25namespace renderscript { 26 27 28// An element is a group of Components that occupies one cell in a structure. 29class Mesh : public ObjectBase { 30public: 31 Mesh(Context *); 32 Mesh(Context *, uint32_t vertexBuffersCount, uint32_t primitivesCount); 33 ~Mesh(); 34 35 virtual void serialize(OStream *stream) const; 36 virtual RsA3DClassID getClassId() const { return RS_A3D_CLASS_ID_MESH; } 37 static Mesh *createFromStream(Context *rsc, IStream *stream); 38 void init(); 39 40 struct Hal { 41 mutable void *drv; 42 43 struct State { 44 // Contains vertex data 45 // Position, normal, texcoord, etc could either be strided in one allocation 46 // of provided separetely in multiple ones 47 Allocation **vertexBuffers; 48 uint32_t vertexBuffersCount; 49 50 // indexBuffers[i] could be NULL, in which case only primitives[i] is used 51 Allocation **indexBuffers; 52 uint32_t indexBuffersCount; 53 RsPrimitive *primitives; 54 uint32_t primitivesCount; 55 }; 56 State state; 57 }; 58 Hal mHal; 59 60 void setVertexBuffer(Allocation *vb, uint32_t index) { 61 mVertexBuffers[index].set(vb); 62 mHal.state.vertexBuffers[index] = vb; 63 } 64 65 void setPrimitive(Allocation *idx, RsPrimitive prim, uint32_t index) { 66 mIndexBuffers[index].set(idx); 67 mHal.state.indexBuffers[index] = idx; 68 mHal.state.primitives[index] = prim; 69 } 70 71 void render(Context *) const; 72 void renderPrimitive(Context *, uint32_t primIndex) const; 73 void renderPrimitiveRange(Context *, uint32_t primIndex, uint32_t start, uint32_t len) const; 74 void uploadAll(Context *); 75 76 // Bounding volumes 77 float mBBoxMin[3]; 78 float mBBoxMax[3]; 79 void computeBBox(); 80protected: 81 ObjectBaseRef<Allocation> *mVertexBuffers; 82 ObjectBaseRef<Allocation> *mIndexBuffers; 83 bool mInitialized; 84}; 85 86class MeshContext { 87public: 88 MeshContext() { 89 } 90 ~MeshContext() { 91 } 92}; 93 94} 95} 96#endif //ANDROID_RS_MESH_H 97 98 99 100