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 class Builder { 61 public: 62 Builder(); 63 void add(const Element *e, const char *nameStr, uint32_t arraySize); 64 ObjectBaseRef<const Element> create(Context *rsc); 65 private: 66 Vector<ObjectBaseRef<const Element> > mBuilderElementRefs; 67 Vector<const Element *> mBuilderElements; 68 Vector<const char*> mBuilderNameStrings; 69 Vector<size_t> mBuilderNameLengths; 70 Vector<uint32_t> mBuilderArrays; 71 }; 72 uint32_t getGLType() const; 73 uint32_t getGLFormat() const; 74 75 size_t getSizeBitsUnpadded() const; 76 size_t getSizeBytesUnpadded() const { 77 return (getSizeBitsUnpadded() + 7) >> 3; 78 } 79 80 size_t getSizeBits() const; 81 size_t getSizeBytes() const { 82 return (getSizeBits() + 7) >> 3; 83 } 84 85 size_t getFieldOffsetBits(uint32_t componentNumber) const { 86 return mFields[componentNumber].offsetBits; 87 } 88 size_t getFieldOffsetBytes(uint32_t componentNumber) const { 89 return mFields[componentNumber].offsetBits >> 3; 90 } 91 92 size_t getFieldOffsetBytesUnpadded(uint32_t componentNumber) const { 93 return mFields[componentNumber].offsetBitsUnpadded >> 3; 94 } 95 96 uint32_t getFieldCount() const {return mFieldCount;} 97 const Element * getField(uint32_t idx) const {return mFields[idx].e.get();} 98 const char * getFieldName(uint32_t idx) const {return mFields[idx].name.string();} 99 uint32_t getFieldArraySize(uint32_t idx) const {return mFields[idx].arraySize;} 100 101 const Component & getComponent() const {return mComponent;} 102 RsDataType getType() const {return mComponent.getType();} 103 RsDataKind getKind() const {return mComponent.getKind();} 104 uint32_t getBits() const {return mBits;} 105 uint32_t getBitsUnpadded() const {return mBitsUnpadded;} 106 uint32_t getVectorSize() const {return mComponent.getVectorSize();} 107 108 void dumpLOGV(const char *prefix) const; 109 virtual void serialize(Context *rsc, OStream *stream) const; 110 virtual RsA3DClassID getClassId() const { return RS_A3D_CLASS_ID_ELEMENT; } 111 static Element *createFromStream(Context *rsc, IStream *stream); 112 113 static ObjectBaseRef<const Element> createRef(Context *rsc, 114 RsDataType dt, 115 RsDataKind dk, 116 bool isNorm, 117 uint32_t vecSize); 118 static ObjectBaseRef<const Element> createRef(Context *rsc, size_t count, 119 const Element **, 120 const char **, 121 const size_t * lengths, 122 const uint32_t *asin); 123 124 static const Element* create(Context *rsc, 125 RsDataType dt, 126 RsDataKind dk, 127 bool isNorm, 128 uint32_t vecSize) { 129 ObjectBaseRef<const Element> elem = createRef(rsc, dt, dk, isNorm, vecSize); 130 elem->incUserRef(); 131 return elem.get(); 132 } 133 static const Element* create(Context *rsc, size_t count, 134 const Element **ein, 135 const char **nin, 136 const size_t * lengths, 137 const uint32_t *asin) { 138 ObjectBaseRef<const Element> elem = createRef(rsc, count, ein, nin, lengths, asin); 139 elem->incUserRef(); 140 return elem.get(); 141 } 142 143 void incRefs(const void *) const; 144 void decRefs(const void *) const; 145 bool getHasReferences() const {return mHasReference;} 146 147 protected: 148 // deallocate any components that are part of this element. 149 void clear(); 150 151 typedef struct { 152 String8 name; 153 ObjectBaseRef<const Element> e; 154 uint32_t offsetBits; 155 uint32_t offsetBitsUnpadded; 156 uint32_t arraySize; 157 } ElementField_t; 158 ElementField_t *mFields; 159 size_t mFieldCount; 160 bool mHasReference; 161 162 163 virtual ~Element(); 164 Element(Context *); 165 166 Component mComponent; 167 uint32_t mBitsUnpadded; 168 uint32_t mBits; 169 170 void compute(); 171 172 virtual void preDestroy() const; 173 }; 174 175 176 class ElementState { 177 public: 178 ElementState(); 179 ~ElementState(); 180 181 // Cache of all existing elements. 182 Vector<Element *> mElements; 183 }; 184 185 186 } 187 } 188 #endif //ANDROID_STRUCTURED_ELEMENT_H 189
