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_VERTEX_ARRAY_H 18 #define ANDROID_RSD_VERTEX_ARRAY_H 19 20 #include "rsUtils.h" 21 22 #include <string> 23 24 namespace android { 25 namespace renderscript { 26 27 class Context; 28 29 } // namespace renderscript 30 } // namespace android 31 32 // An element is a group of Components that occupies one cell in a structure. 33 class RsdVertexArray { 34 public: 35 class Attrib { 36 public: 37 uint32_t buffer; 38 const uint8_t * ptr; 39 size_t offset; 40 uint32_t type; 41 uint32_t size; 42 uint32_t stride; 43 bool normalized; 44 std::string name; 45 46 Attrib(); 47 void clear(); 48 void set(uint32_t type, uint32_t size, uint32_t stride, bool normalized, size_t offset, const char *name); 49 }; 50 51 RsdVertexArray(const Attrib *attribs, uint32_t numAttribs); 52 virtual ~RsdVertexArray(); 53 54 void setup(const android::renderscript::Context *rsc) const; 55 void logAttrib(uint32_t idx, uint32_t slot) const; 56 57 protected: 58 void clear(uint32_t index); 59 uint32_t mActiveBuffer; 60 const uint8_t * mActivePointer; 61 uint32_t mCount; 62 63 const Attrib *mAttribs; 64 }; 65 66 67 class RsdVertexArrayState { 68 public: 69 RsdVertexArrayState(); 70 ~RsdVertexArrayState(); 71 void init(uint32_t maxAttrs); 72 73 bool *mAttrsEnabled; 74 uint32_t mAttrsEnabledSize; 75 }; 76 77 78 #endif //ANDROID_RSD_VERTEX_ARRAY_H 79 80 81 82