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