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_RSD_MESH_OBJ_H 18 #define ANDROID_RSD_MESH_OBJ_H 19 20 // --------------------------------------------------------------------------- 21 namespace android { 22 namespace renderscript { 23 24 class Context; 25 class Mesh; 26 class Element; 27 28 } 29 } 30 31 #include "driver/rsdVertexArray.h" 32 33 // An element is a group of Components that occupies one cell in a structure. 34 class RsdMeshObj { 35 public: 36 RsdMeshObj(const android::renderscript::Context *, 37 const android::renderscript::Mesh *); 38 ~RsdMeshObj(); 39 40 void renderPrimitiveRange(const android::renderscript::Context *, 41 uint32_t primIndex, size_t start, uint32_t len) const; 42 43 bool init(const android::renderscript::Context *rsc); 44 45 protected: 46 const android::renderscript::Mesh *mRSMesh; 47 48 uint32_t *mGLPrimitives; 49 void updateGLPrimitives(const android::renderscript::Context *rsc); 50 51 bool isValidGLComponent(const android::renderscript::Element *elem, uint32_t fieldIdx); 52 // Attribues that allow us to map to GL 53 RsdVertexArray::Attrib *mAttribs; 54 // This allows us to figure out which allocation the attribute 55 // belongs to. In the event the allocation is uploaded to GL 56 // buffer, it lets us properly map it 57 uint32_t *mAttribAllocationIndex; 58 uint32_t mAttribCount; 59 }; 60 61 #endif //ANDROID_RSD_MESH_OBJ_H 62 63 64 65