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