rsElement.h revision 39f2ef6fed00a99c5c389e12c4597884027d4858
1/* 2 * Copyright (C) 2009 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_STRUCTURED_ELEMENT_H 18#define ANDROID_STRUCTURED_ELEMENT_H 19 20#include "rsComponent.h" 21#include "rsUtils.h" 22#include "rsObjectBase.h" 23 24// --------------------------------------------------------------------------- 25namespace android { 26namespace renderscript { 27 28 29// An element is a group of Components that occupies one cell in a structure. 30class Element : public ObjectBase 31{ 32public: 33 ~Element(); 34 35 uint32_t getGLType() const; 36 uint32_t getGLFormat() const; 37 38 size_t getSizeBits() const; 39 size_t getSizeBytes() const { 40 return (getSizeBits() + 7) >> 3; 41 } 42 43 size_t getFieldOffsetBits(uint32_t componentNumber) const { 44 return mFields[componentNumber].offsetBits; 45 } 46 size_t getFieldOffsetBytes(uint32_t componentNumber) const { 47 return mFields[componentNumber].offsetBits >> 3; 48 } 49 50 uint32_t getFieldCount() const {return mFieldCount;} 51 const Element * getField(uint32_t idx) const {return mFields[idx].e.get();} 52 const char * getFieldName(uint32_t idx) const {return mFields[idx].name.string();} 53 uint32_t getFieldArraySize(uint32_t idx) const {return mFields[idx].arraySize;} 54 55 const Component & getComponent() const {return mComponent;} 56 RsDataType getType() const {return mComponent.getType();} 57 RsDataKind getKind() const {return mComponent.getKind();} 58 uint32_t getBits() const {return mBits;} 59 60 String8 getGLSLType(uint32_t indent=0) const; 61 62 void dumpLOGV(const char *prefix) const; 63 virtual void serialize(OStream *stream) const; 64 virtual RsA3DClassID getClassId() const { return RS_A3D_CLASS_ID_ELEMENT; } 65 static Element *createFromStream(Context *rsc, IStream *stream); 66 67 static const Element * create(Context *rsc, RsDataType dt, RsDataKind dk, 68 bool isNorm, uint32_t vecSize); 69 static const Element * create(Context *rsc, size_t count, const Element **, 70 const char **, const size_t * lengths, const uint32_t *asin); 71 72 void incRefs(const void *) const; 73 void decRefs(const void *) const; 74 bool getHasReferences() const {return mHasReference;} 75 76 bool isEqual(const Element *other) const; 77 78protected: 79 // deallocate any components that are part of this element. 80 void clear(); 81 82 typedef struct { 83 String8 name; 84 ObjectBaseRef<const Element> e; 85 uint32_t offsetBits; 86 uint32_t arraySize; 87 } ElementField_t; 88 ElementField_t *mFields; 89 size_t mFieldCount; 90 bool mHasReference; 91 92 93 Element(Context *); 94 95 Component mComponent; 96 uint32_t mBits; 97}; 98 99 100class ElementState { 101public: 102 ElementState(); 103 ~ElementState(); 104 105 void elementBuilderBegin(); 106 void elementBuilderAdd(const Element *e, const char *nameStr, uint32_t arraySize); 107 const Element *elementBuilderCreate(Context *rsc); 108 109 // Cache of all existing elements. 110 Vector<Element *> mElements; 111private: 112 Vector<const Element *> mBuilderElements; 113 Vector<const char*> mBuilderNameStrings; 114 Vector<size_t> mBuilderNameLengths; 115 Vector<uint32_t> mBuilderArrays; 116}; 117 118 119} 120} 121#endif //ANDROID_STRUCTURED_ELEMENT_H 122