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 "rsInternalDefines.h" 23 #include "rsObjectBase.h" 24 25 #include <vector> 26 27 // --------------------------------------------------------------------------- 28 namespace android { 29 namespace renderscript { 30 /***************************************************************************** 31 * CAUTION 32 * 33 * Any layout changes for this class may require a corresponding change to be 34 * made to frameworks/compile/libbcc/lib/ScriptCRT/rs_core.c, which contains 35 * a partial copy of the information below. 36 * 37 *****************************************************************************/ 38 // An element is a group of Components that occupies one cell in a structure. 39 class Element : public ObjectBase { 40 public: 41 struct Hal { 42 mutable void *drv; 43 44 struct State { 45 RsDataType dataType; 46 RsDataKind dataKind; 47 uint32_t vectorSize; 48 uint32_t elementSizeBytes; 49 50 // Subelements 51 const Element **fields; 52 uint32_t *fieldArraySizes; 53 const char **fieldNames; 54 uint32_t *fieldNameLengths; 55 uint32_t *fieldOffsetBytes; 56 uint32_t fieldsCount; 57 }; 58 State state; 59 }; 60 Hal mHal; 61 62 void operator delete(void* ptr); 63 64 uint32_t getGLType() const; 65 uint32_t getGLFormat() const; 66 67 size_t getSizeBitsUnpadded() const; 68 size_t getSizeBytesUnpadded() const { 69 return (getSizeBitsUnpadded() + 7) >> 3; 70 } 71 72 size_t getSizeBits() const; 73 size_t getSizeBytes() const { 74 return (getSizeBits() + 7) >> 3; 75 } 76 77 size_t getFieldOffsetBits(uint32_t componentNumber) const { 78 return mFields[componentNumber].offsetBits; 79 } 80 size_t getFieldOffsetBytes(uint32_t componentNumber) const { 81 return mFields[componentNumber].offsetBits >> 3; 82 } 83 84 size_t getFieldOffsetBytesUnpadded(uint32_t componentNumber) const { 85 return mFields[componentNumber].offsetBitsUnpadded >> 3; 86 } 87 88 uint32_t getFieldCount() const {return mFieldCount;} 89 const Element * getField(uint32_t idx) const {return mFields[idx].e.get();} 90 const char * getFieldName(uint32_t idx) const {return mFields[idx].name;} 91 uint32_t getFieldArraySize(uint32_t idx) const {return mFields[idx].arraySize;} 92 93 const Component & getComponent() const {return mComponent;} 94 RsDataType getType() const {return mComponent.getType();} 95 RsDataKind getKind() const {return mComponent.getKind();} 96 uint32_t getBits() const {return mBits;} 97 uint32_t getBitsUnpadded() const {return mBitsUnpadded;} 98 uint32_t getVectorSize() const {return mComponent.getVectorSize();} 99 100 void dumpLOGV(const char *prefix) const; 101 virtual void serialize(Context *rsc, OStream *stream) const; 102 virtual RsA3DClassID getClassId() const { return RS_A3D_CLASS_ID_ELEMENT; } 103 static Element *createFromStream(Context *rsc, IStream *stream); 104 105 static ObjectBaseRef<const Element> createRef(Context *rsc, 106 RsDataType dt, 107 RsDataKind dk, 108 bool isNorm, 109 uint32_t vecSize); 110 static ObjectBaseRef<const Element> createRef(Context *rsc, size_t count, 111 const Element **, 112 const char **, 113 const size_t * lengths, 114 const uint32_t *asin); 115 116 static const Element* create(Context *rsc, 117 RsDataType dt, 118 RsDataKind dk, 119 bool isNorm, 120 uint32_t vecSize) { 121 ObjectBaseRef<const Element> elem = createRef(rsc, dt, dk, isNorm, vecSize); 122 elem->incUserRef(); 123 return elem.get(); 124 } 125 static const Element* create(Context *rsc, size_t count, 126 const Element **ein, 127 const char **nin, 128 const size_t * lengths = nullptr, 129 const uint32_t *asin = nullptr) { 130 ObjectBaseRef<const Element> elem = createRef(rsc, count, ein, nin, lengths, asin); 131 elem->incUserRef(); 132 return elem.get(); 133 } 134 135 void incRefs(const void *) const; 136 void decRefs(const void *) const; 137 virtual void callUpdateCacheObject(const Context *rsc, void *dstObj) const; 138 bool getHasReferences() const {return mHasReference;} 139 140 protected: 141 // deallocate any components that are part of this element. 142 void clear(); 143 144 typedef struct { 145 const char *name; 146 ObjectBaseRef<const Element> e; 147 uint32_t offsetBits; 148 uint32_t offsetBitsUnpadded; 149 uint32_t arraySize; 150 } ElementField_t; 151 ElementField_t *mFields; 152 size_t mFieldCount; 153 bool mHasReference; 154 155 156 virtual ~Element(); 157 explicit Element(Context *); 158 159 Component mComponent; 160 uint32_t mBitsUnpadded; 161 uint32_t mBits; 162 163 void compute(); 164 165 virtual void preDestroy() const; 166 }; 167 168 169 class ElementState { 170 public: 171 ElementState(); 172 ~ElementState(); 173 174 // Cache of all existing elements. 175 std::vector<Element *> mElements; 176 }; 177 178 179 } // namespace renderscript 180 } // namespace android 181 #endif //ANDROID_STRUCTURED_ELEMENT_H 182
