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