123 lines
3.3 KiB
C++
123 lines
3.3 KiB
C++
/*
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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_RS_FILE_A3D_H
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#define ANDROID_RS_FILE_A3D_H
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#include "RenderScript.h"
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#include "rsFileA3DDecls.h"
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#include "rsMesh.h"
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#include <utils/String8.h>
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#include <stdio.h>
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// ---------------------------------------------------------------------------
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namespace android {
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namespace renderscript {
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class FileA3D
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{
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public:
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FileA3D();
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~FileA3D();
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uint32_t mMajorVersion;
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uint32_t mMinorVersion;
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uint64_t mIndexOffset;
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uint64_t mStringTableOffset;
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bool mUse64BitOffsets;
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struct A3DIndexEntry {
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String8 mID;
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A3DChunkType mType;
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uint64_t mOffset;
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void * mRsObj;
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};
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bool load(Context *rsc, FILE *f);
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protected:
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class IO
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{
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public:
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IO(const uint8_t *, bool use64);
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float loadF() {
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mPos = (mPos + 3) & (~3);
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float tmp = reinterpret_cast<const float *>(&mData[mPos])[0];
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mPos += sizeof(float);
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return tmp;
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}
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int32_t loadI32() {
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mPos = (mPos + 3) & (~3);
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int32_t tmp = reinterpret_cast<const int32_t *>(&mData[mPos])[0];
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mPos += sizeof(int32_t);
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return tmp;
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}
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uint32_t loadU32() {
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mPos = (mPos + 3) & (~3);
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uint32_t tmp = reinterpret_cast<const uint32_t *>(&mData[mPos])[0];
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mPos += sizeof(uint32_t);
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return tmp;
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}
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uint16_t loadU16() {
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mPos = (mPos + 1) & (~1);
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uint16_t tmp = reinterpret_cast<const uint16_t *>(&mData[mPos])[0];
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mPos += sizeof(uint16_t);
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return tmp;
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}
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uint8_t loadU8() {
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uint8_t tmp = reinterpret_cast<const uint8_t *>(&mData[mPos])[0];
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mPos += sizeof(uint8_t);
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return tmp;
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}
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uint64_t loadOffset();
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void loadString(String8 *s);
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uint64_t getPos() const {return mPos;}
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const uint8_t * getPtr() const;
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protected:
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const uint8_t * mData;
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uint64_t mPos;
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bool mUse64;
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};
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bool process(Context *rsc);
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bool processIndex(Context *rsc, A3DIndexEntry *);
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void processChunk_Mesh(Context *rsc, IO *io, A3DIndexEntry *ie);
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void processChunk_Primitive(Context *rsc, IO *io, A3DIndexEntry *ie);
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void processChunk_Verticies(Context *rsc, IO *io, A3DIndexEntry *ie);
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void processChunk_Element(Context *rsc, IO *io, A3DIndexEntry *ie);
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void processChunk_ElementSource(Context *rsc, IO *io, A3DIndexEntry *ie);
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const uint8_t * mData;
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void * mAlloc;
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uint64_t mDataSize;
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Context * mRsc;
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Vector<A3DIndexEntry> mIndex;
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Vector<String8> mStrings;
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Vector<uint32_t> mStringIndexValues;
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};
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}
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}
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#endif //ANDROID_RS_FILE_A3D_H
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