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 namespace android { 23 namespace renderscript { 24 25 class Context; 26 27 } 28 } 29 30 // An element is a group of Components that occupies one cell in a structure. 31 class RsdVertexArray { 32 public: 33 class Attrib { 34 public: 35 uint32_t buffer; 36 const uint8_t * ptr; 37 size_t offset; 38 uint32_t type; 39 uint32_t size; 40 uint32_t stride; 41 bool normalized; 42 android::String8 name; 43 44 Attrib(); 45 void clear(); 46 void set(uint32_t type, uint32_t size, uint32_t stride, bool normalized, size_t offset, const char *name); 47 }; 48 49 RsdVertexArray(const Attrib *attribs, uint32_t numAttribs); 50 virtual ~RsdVertexArray(); 51 52 void setup(const android::renderscript::Context *rsc) const; 53 void logAttrib(uint32_t idx, uint32_t slot) const; 54 55 protected: 56 void clear(uint32_t index); 57 uint32_t mActiveBuffer; 58 const uint8_t * mActivePointer; 59 uint32_t mCount; 60 61 const Attrib *mAttribs; 62 }; 63 64 65 class RsdVertexArrayState { 66 public: 67 RsdVertexArrayState(); 68 ~RsdVertexArrayState(); 69 void init(uint32_t maxAttrs); 70 71 bool *mAttrsEnabled; 72 uint32_t mAttrsEnabledSize; 73 }; 74 75 76 #endif //ANDROID_RSD_VERTEX_ARRAY_H 77 78 79 80