| /* |
| * Copyright (C) 2009 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef ANDROID_STRUCTURED_ELEMENT_H |
| #define ANDROID_STRUCTURED_ELEMENT_H |
| |
| #include "rsComponent.h" |
| #include "rsUtils.h" |
| #include "rsObjectBase.h" |
| |
| // --------------------------------------------------------------------------- |
| namespace android { |
| namespace renderscript { |
| |
| |
| // An element is a group of Components that occupies one cell in a structure. |
| class Element : public ObjectBase |
| { |
| public: |
| ~Element(); |
| |
| uint32_t getGLType() const; |
| uint32_t getGLFormat() const; |
| |
| size_t getSizeBits() const; |
| size_t getSizeBytes() const { |
| return (getSizeBits() + 7) >> 3; |
| } |
| |
| size_t getFieldOffsetBits(uint32_t componentNumber) const { |
| return mFields[componentNumber].offsetBits; |
| } |
| size_t getFieldOffsetBytes(uint32_t componentNumber) const { |
| return mFields[componentNumber].offsetBits >> 3; |
| } |
| |
| uint32_t getFieldCount() const {return mFieldCount;} |
| const Element * getField(uint32_t idx) const {return mFields[idx].e.get();} |
| const char * getFieldName(uint32_t idx) const {return mFields[idx].name.string();} |
| |
| const Component & getComponent() const {return mComponent;} |
| RsDataType getType() const {return mComponent.getType();} |
| RsDataKind getKind() const {return mComponent.getKind();} |
| uint32_t getBits() const {return mBits;} |
| |
| String8 getGLSLType(uint32_t indent=0) const; |
| |
| void dumpLOGV(const char *prefix) const; |
| virtual void serialize(OStream *stream) const; |
| virtual RsA3DClassID getClassId() const { return RS_A3D_CLASS_ID_ELEMENT; } |
| static Element *createFromStream(Context *rsc, IStream *stream); |
| |
| static const Element * create(Context *rsc, RsDataType dt, RsDataKind dk, |
| bool isNorm, uint32_t vecSize); |
| static const Element * create(Context *rsc, size_t count, const Element **, |
| const char **, const size_t * lengths); |
| |
| void incRefs(const void *) const; |
| void decRefs(const void *) const; |
| bool getHasReferences() const {return mHasReference;} |
| |
| protected: |
| // deallocate any components that are part of this element. |
| void clear(); |
| |
| typedef struct { |
| String8 name; |
| ObjectBaseRef<const Element> e; |
| uint32_t offsetBits; |
| } ElementField_t; |
| ElementField_t *mFields; |
| size_t mFieldCount; |
| bool mHasReference; |
| |
| |
| Element(Context *); |
| |
| Component mComponent; |
| uint32_t mBits; |
| }; |
| |
| |
| class ElementState { |
| public: |
| ElementState(); |
| ~ElementState(); |
| |
| // Cache of all existing elements. |
| Vector<Element *> mElements; |
| }; |
| |
| |
| } |
| } |
| #endif //ANDROID_STRUCTURED_ELEMENT_H |