libs/rs/rsFileA3D.cpp - platform/frameworks/base - Gitiles


 /*
  * 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.
  */

 #include "rsContext.h"


 #include <utils/String8.h>
 #include "rsFileA3D.h"

 #include "rsMesh.h"

 using namespace android;
 using namespace android::renderscript;


 FileA3D::FileA3D()
 {
     mRsc = NULL;
 }

 FileA3D::~FileA3D()
 {
 }

 bool FileA3D::load(Context *rsc, FILE *f)
 {
     char magicString[12];
     size_t len;

     LOGE("file open 1");
     len = fread(magicString, 1, 12, f);
     if ((len != 12) ||
         memcmp(magicString, "Android3D_ff", 12)) {
         return false;
     }

     LOGE("file open 2");
     len = fread(&mMajorVersion, 1, sizeof(mMajorVersion), f);
     if (len != sizeof(mMajorVersion)) {
         return false;
     }

     LOGE("file open 3");
     len = fread(&mMinorVersion, 1, sizeof(mMinorVersion), f);
     if (len != sizeof(mMinorVersion)) {
         return false;
     }

     LOGE("file open 4");
     uint32_t flags;
     len = fread(&flags, 1, sizeof(flags), f);
     if (len != sizeof(flags)) {
         return false;
     }
     mUse64BitOffsets = (flags & 1) != 0;

     LOGE("file open 64bit = %i", mUse64BitOffsets);

     if (mUse64BitOffsets) {
         len = fread(&mDataSize, 1, sizeof(mDataSize), f);
         if (len != sizeof(mDataSize)) {
             return false;
         }
     } else {
         uint32_t tmp;
         len = fread(&tmp, 1, sizeof(tmp), f);
         if (len != sizeof(tmp)) {
             return false;
         }
         mDataSize = tmp;
     }

     LOGE("file open size = %lli", mDataSize);

     // We should know enough to read the file in at this point.
     fseek(f, SEEK_SET, 0);
     mAlloc= malloc(mDataSize);
     if (!mAlloc) {
         return false;
     }
     mData = (uint8_t *)mAlloc;
     len = fread(mAlloc, 1, mDataSize, f);
     if (len != mDataSize) {
         return false;
     }

     LOGE("file start processing");
     return process(rsc);
 }

 bool FileA3D::processIndex(Context *rsc, A3DIndexEntry *ie)
 {
     bool ret = false;
     IO io(mData + ie->mOffset, mUse64BitOffsets);

     LOGE("process index, type %i", ie->mType);

     switch(ie->mType) {
     case CHUNK_ELEMENT:
         processChunk_Element(rsc, &io, ie);
         break;
     case CHUNK_ELEMENT_SOURCE:
         processChunk_ElementSource(rsc, &io, ie);
         break;
     case CHUNK_VERTICIES:
         processChunk_Verticies(rsc, &io, ie);
         break;
     case CHUNK_MESH:
         processChunk_Mesh(rsc, &io, ie);
         break;
     case CHUNK_PRIMITIVE:
         processChunk_Primitive(rsc, &io, ie);
         break;
     default:
         LOGE("FileA3D Unknown chunk type");
         break;
     }
     return (ie->mRsObj != NULL);
 }

 bool FileA3D::process(Context *rsc)
 {
     LOGE("process");
     IO io(mData + 12, mUse64BitOffsets);
     bool ret = true;

     // Build the index first
     LOGE("process 1");
     io.loadU32(); // major version, already loaded
     io.loadU32(); // minor version, already loaded
     LOGE("process 2");

     io.loadU32();  // flags
     io.loadOffset(); // filesize, already loaded.
     LOGE("process 4");
     uint64_t mIndexOffset = io.loadOffset();
     uint64_t mStringOffset = io.loadOffset();

     LOGE("process mIndexOffset= 0x%016llx", mIndexOffset);
     LOGE("process mStringOffset= 0x%016llx", mStringOffset);

     IO index(mData + mIndexOffset, mUse64BitOffsets);
     IO stringTable(mData + mStringOffset, mUse64BitOffsets);

     uint32_t stringEntryCount = stringTable.loadU32();
     LOGE("stringEntryCount %i", stringEntryCount);
     mStrings.setCapacity(stringEntryCount);
     mStringIndexValues.setCapacity(stringEntryCount);
     if (stringEntryCount) {
         uint32_t stringType = stringTable.loadU32();
         LOGE("stringType %i", stringType);
         rsAssert(stringType==0);
         for (uint32_t ct = 0; ct < stringEntryCount; ct++) {
             uint64_t offset = stringTable.loadOffset();
             LOGE("string offset 0x%016llx", offset);
             IO tmp(mData + offset, mUse64BitOffsets);
             String8 s;
             tmp.loadString(&s);
             LOGE("string %s", s.string());
             mStrings.push(s);
         }
     }

     LOGE("strings done");
     uint32_t indexEntryCount = index.loadU32();
     LOGE("index count %i", indexEntryCount);
     mIndex.setCapacity(indexEntryCount);
     for (uint32_t ct = 0; ct < indexEntryCount; ct++) {
         A3DIndexEntry e;
         uint32_t stringIndex = index.loadU32();
         LOGE("index %i", ct);
         LOGE("  string index %i", stringIndex);
         e.mType = (A3DChunkType)index.loadU32();
         LOGE("  type %i", e.mType);
         e.mOffset = index.loadOffset();
         LOGE("  offset 0x%016llx", e.mOffset);

         if (stringIndex && (stringIndex < mStrings.size())) {
             e.mID = mStrings[stringIndex];
             mStringIndexValues.editItemAt(stringIndex) = ct;
             LOGE("  id %s", e.mID.string());
         }

         mIndex.push(e);
     }
     LOGE("index done");

     // At this point the index should be fully populated.
     // We can now walk though it and load all the objects.
     for (uint32_t ct = 0; ct < indexEntryCount; ct++) {
         LOGE("processing index entry %i", ct);
         processIndex(rsc, &mIndex.editItemAt(ct));
     }

     return ret;
 }


 FileA3D::IO::IO(const uint8_t *buf, bool use64)
 {
     mData = buf;
     mPos = 0;
     mUse64 = use64;
 }

 uint64_t FileA3D::IO::loadOffset()
 {
     uint64_t tmp;
     if (mUse64) {
         mPos = (mPos + 7) & (~7);
         tmp = reinterpret_cast<const uint64_t *>(&mData[mPos])[0];
         mPos += sizeof(uint64_t);
         return tmp;
     }
     return loadU32();
 }

 void FileA3D::IO::loadString(String8 *s)
 {
     LOGE("loadString");
     uint32_t len = loadU32();
     LOGE("loadString len %i", len);
     s->setTo((const char *)&mData[mPos], len);
     mPos += len;
 }


 void FileA3D::processChunk_Mesh(Context *rsc, IO *io, A3DIndexEntry *ie)
 {
     Mesh * m = new Mesh;

     m->mPrimitivesCount = io->loadU32();
     m->mPrimitives = new Mesh::Primitive_t *[m->mPrimitivesCount];

     for (uint32_t ct = 0; ct < m->mPrimitivesCount; ct++) {
         uint32_t index = io->loadU32();

         m->mPrimitives[ct] = (Mesh::Primitive_t *)mIndex[index].mRsObj;
     }
     ie->mRsObj = m;
 }

 void FileA3D::processChunk_Primitive(Context *rsc, IO *io, A3DIndexEntry *ie)
 {
     Mesh::Primitive_t * p = new Mesh::Primitive_t;

     p->mIndexCount = io->loadU32();
     uint32_t vertIdx = io->loadU32();
     uint32_t bits = io->loadU8();
     p->mType = (RsPrimitive)io->loadU8();

     p->mVerticies = (Mesh::Verticies_t *)mIndex[vertIdx].mRsObj;

     p->mIndicies = new uint16_t[p->mIndexCount];
     for (uint32_t ct = 0; ct < p->mIndexCount; ct++) {
         switch(bits) {
         case 8:
             p->mIndicies[ct] = io->loadU8();
             break;
         case 16:
             p->mIndicies[ct] = io->loadU16();
             break;
         case 32:
             p->mIndicies[ct] = io->loadU32();
             break;
         }
     }

     ie->mRsObj = p;
 }

 void FileA3D::processChunk_Verticies(Context *rsc, IO *io, A3DIndexEntry *ie)
 {
     Mesh::Verticies_t *cv = new Mesh::Verticies_t;
     cv->mAllocationCount = io->loadU32();
     cv->mAllocations = new Allocation *[cv->mAllocationCount];
     for (uint32_t ct = 0; ct < cv->mAllocationCount; ct++) {
         uint32_t i = io->loadU32();
         cv->mAllocations[ct] = (Allocation *)mIndex[i].mRsObj;
     }
     ie->mRsObj = cv;
 }

 void FileA3D::processChunk_Element(Context *rsc, IO *io, A3DIndexEntry *ie)
 {
     LOGE("processChunk_Element ie %p", ie);
     rsi_ElementBegin(rsc);

     uint32_t count = io->loadU32();
     LOGE("processChunk_Element count %i", count);
     while (count--) {
         RsDataKind dk = (RsDataKind)io->loadU8();
         RsDataType dt = (RsDataType)io->loadU8();
         uint32_t bits = io->loadU8();
         bool isNorm = io->loadU8() != 0;
         LOGE("  %i %i %i %i", dk, dt, bits, isNorm);
         rsi_ElementAdd(rsc, dk, dt, isNorm, bits);
     }
     LOGE("processChunk_Element create");
     ie->mRsObj = rsi_ElementCreate(rsc);
 }

 void FileA3D::processChunk_ElementSource(Context *rsc, IO *io, A3DIndexEntry *ie)
 {
     uint32_t index = io->loadU32();
     uint32_t count = io->loadU32();

     RsElement e = (RsElement)mIndex[index].mRsObj;

     RsAllocation a = rsi_AllocationCreateSized(rsc, e, count);
     Allocation * alloc = static_cast<Allocation *>(a);

     float * data = (float *)alloc->getPtr();
     while(count--) {
         *data = io->loadF();
         data++;
     }
     ie->mRsObj = alloc;
 }

 namespace android {
 namespace renderscript {


 RsFile rsi_FileOpen(Context *rsc, char const *path, unsigned int len)
 {
     FileA3D *fa3d = new FileA3D;

     FILE *f = fopen("/sdcard/test.a3d", "rb");
     if (f) {
         fa3d->load(rsc, f);
         fclose(f);
         return fa3d;
     }
     delete fa3d;
     return NULL;
 }


 }
 }

	/*
	* 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.
	*/

	#include "rsContext.h"


	#include <utils/String8.h>
	#include "rsFileA3D.h"

	#include "rsMesh.h"

	using namespace android;
	using namespace android::renderscript;



	FileA3D::FileA3D()
	{
	mRsc = NULL;
	}

	FileA3D::~FileA3D()
	{
	}

	bool FileA3D::load(Context rsc, FILE f)
	{
	char magicString[12];
	size_t len;

	LOGE("file open 1");
	len = fread(magicString, 1, 12, f);
	if ((len != 12) \|\|
	memcmp(magicString, "Android3D_ff", 12)) {
	return false;
	}

	LOGE("file open 2");
	len = fread(&mMajorVersion, 1, sizeof(mMajorVersion), f);
	if (len != sizeof(mMajorVersion)) {
	return false;
	}

	LOGE("file open 3");
	len = fread(&mMinorVersion, 1, sizeof(mMinorVersion), f);
	if (len != sizeof(mMinorVersion)) {
	return false;
	}

	LOGE("file open 4");
	uint32_t flags;
	len = fread(&flags, 1, sizeof(flags), f);
	if (len != sizeof(flags)) {
	return false;
	}
	mUse64BitOffsets = (flags & 1) != 0;

	LOGE("file open 64bit = %i", mUse64BitOffsets);

	if (mUse64BitOffsets) {
	len = fread(&mDataSize, 1, sizeof(mDataSize), f);
	if (len != sizeof(mDataSize)) {
	return false;
	}
	} else {
	uint32_t tmp;
	len = fread(&tmp, 1, sizeof(tmp), f);
	if (len != sizeof(tmp)) {
	return false;
	}
	mDataSize = tmp;
	}

	LOGE("file open size = %lli", mDataSize);

	// We should know enough to read the file in at this point.
	fseek(f, SEEK_SET, 0);
	mAlloc= malloc(mDataSize);
	if (!mAlloc) {
	return false;
	}
	mData = (uint8_t *)mAlloc;
	len = fread(mAlloc, 1, mDataSize, f);
	if (len != mDataSize) {
	return false;
	}

	LOGE("file start processing");
	return process(rsc);
	}

	bool FileA3D::processIndex(Context rsc, A3DIndexEntry ie)
	{
	bool ret = false;
	IO io(mData + ie->mOffset, mUse64BitOffsets);

	LOGE("process index, type %i", ie->mType);

	switch(ie->mType) {
	case CHUNK_ELEMENT:
	processChunk_Element(rsc, &io, ie);
	break;
	case CHUNK_ELEMENT_SOURCE:
	processChunk_ElementSource(rsc, &io, ie);
	break;
	case CHUNK_VERTICIES:
	processChunk_Verticies(rsc, &io, ie);
	break;
	case CHUNK_MESH:
	processChunk_Mesh(rsc, &io, ie);
	break;
	case CHUNK_PRIMITIVE:
	processChunk_Primitive(rsc, &io, ie);
	break;
	default:
	LOGE("FileA3D Unknown chunk type");
	break;
	}
	return (ie->mRsObj != NULL);
	}

	bool FileA3D::process(Context *rsc)
	{
	LOGE("process");
	IO io(mData + 12, mUse64BitOffsets);
	bool ret = true;

	// Build the index first
	LOGE("process 1");
	io.loadU32(); // major version, already loaded
	io.loadU32(); // minor version, already loaded
	LOGE("process 2");

	io.loadU32(); // flags
	io.loadOffset(); // filesize, already loaded.
	LOGE("process 4");
	uint64_t mIndexOffset = io.loadOffset();
	uint64_t mStringOffset = io.loadOffset();

	LOGE("process mIndexOffset= 0x%016llx", mIndexOffset);
	LOGE("process mStringOffset= 0x%016llx", mStringOffset);

	IO index(mData + mIndexOffset, mUse64BitOffsets);
	IO stringTable(mData + mStringOffset, mUse64BitOffsets);

	uint32_t stringEntryCount = stringTable.loadU32();
	LOGE("stringEntryCount %i", stringEntryCount);
	mStrings.setCapacity(stringEntryCount);
	mStringIndexValues.setCapacity(stringEntryCount);
	if (stringEntryCount) {
	uint32_t stringType = stringTable.loadU32();
	LOGE("stringType %i", stringType);
	rsAssert(stringType==0);
	for (uint32_t ct = 0; ct < stringEntryCount; ct++) {
	uint64_t offset = stringTable.loadOffset();
	LOGE("string offset 0x%016llx", offset);
	IO tmp(mData + offset, mUse64BitOffsets);
	String8 s;
	tmp.loadString(&s);
	LOGE("string %s", s.string());
	mStrings.push(s);
	}
	}

	LOGE("strings done");
	uint32_t indexEntryCount = index.loadU32();
	LOGE("index count %i", indexEntryCount);
	mIndex.setCapacity(indexEntryCount);
	for (uint32_t ct = 0; ct < indexEntryCount; ct++) {
	A3DIndexEntry e;
	uint32_t stringIndex = index.loadU32();
	LOGE("index %i", ct);
	LOGE(" string index %i", stringIndex);
	e.mType = (A3DChunkType)index.loadU32();
	LOGE(" type %i", e.mType);
	e.mOffset = index.loadOffset();
	LOGE(" offset 0x%016llx", e.mOffset);

	if (stringIndex && (stringIndex < mStrings.size())) {
	e.mID = mStrings[stringIndex];
	mStringIndexValues.editItemAt(stringIndex) = ct;
	LOGE(" id %s", e.mID.string());
	}

	mIndex.push(e);
	}
	LOGE("index done");

	// At this point the index should be fully populated.
	// We can now walk though it and load all the objects.
	for (uint32_t ct = 0; ct < indexEntryCount; ct++) {
	LOGE("processing index entry %i", ct);
	processIndex(rsc, &mIndex.editItemAt(ct));
	}

	return ret;
	}


	FileA3D::IO::IO(const uint8_t *buf, bool use64)
	{
	mData = buf;
	mPos = 0;
	mUse64 = use64;
	}

	uint64_t FileA3D::IO::loadOffset()
	{
	uint64_t tmp;
	if (mUse64) {
	mPos = (mPos + 7) & (~7);
	tmp = reinterpret_cast<const uint64_t *>(&mData[mPos])[0];
	mPos += sizeof(uint64_t);
	return tmp;
	}
	return loadU32();
	}

	void FileA3D::IO::loadString(String8 *s)
	{
	LOGE("loadString");
	uint32_t len = loadU32();
	LOGE("loadString len %i", len);
	s->setTo((const char *)&mData[mPos], len);
	mPos += len;
	}


	void FileA3D::processChunk_Mesh(Context rsc, IO io, A3DIndexEntry *ie)
	{
	Mesh * m = new Mesh;

	m->mPrimitivesCount = io->loadU32();
	m->mPrimitives = new Mesh::Primitive_t *[m->mPrimitivesCount];

	for (uint32_t ct = 0; ct < m->mPrimitivesCount; ct++) {
	uint32_t index = io->loadU32();

	m->mPrimitives[ct] = (Mesh::Primitive_t *)mIndex[index].mRsObj;
	}
	ie->mRsObj = m;
	}

	void FileA3D::processChunk_Primitive(Context rsc, IO io, A3DIndexEntry *ie)
	{
	Mesh::Primitive_t * p = new Mesh::Primitive_t;

	p->mIndexCount = io->loadU32();
	uint32_t vertIdx = io->loadU32();
	uint32_t bits = io->loadU8();
	p->mType = (RsPrimitive)io->loadU8();

	p->mVerticies = (Mesh::Verticies_t *)mIndex[vertIdx].mRsObj;

	p->mIndicies = new uint16_t[p->mIndexCount];
	for (uint32_t ct = 0; ct < p->mIndexCount; ct++) {
	switch(bits) {
	case 8:
	p->mIndicies[ct] = io->loadU8();
	break;
	case 16:
	p->mIndicies[ct] = io->loadU16();
	break;
	case 32:
	p->mIndicies[ct] = io->loadU32();
	break;
	}
	}

	ie->mRsObj = p;
	}

	void FileA3D::processChunk_Verticies(Context rsc, IO io, A3DIndexEntry *ie)
	{
	Mesh::Verticies_t *cv = new Mesh::Verticies_t;
	cv->mAllocationCount = io->loadU32();
	cv->mAllocations = new Allocation *[cv->mAllocationCount];
	for (uint32_t ct = 0; ct < cv->mAllocationCount; ct++) {
	uint32_t i = io->loadU32();
	cv->mAllocations[ct] = (Allocation *)mIndex[i].mRsObj;
	}
	ie->mRsObj = cv;
	}

	void FileA3D::processChunk_Element(Context rsc, IO io, A3DIndexEntry *ie)
	{
	LOGE("processChunk_Element ie %p", ie);
	rsi_ElementBegin(rsc);

	uint32_t count = io->loadU32();
	LOGE("processChunk_Element count %i", count);
	while (count--) {
	RsDataKind dk = (RsDataKind)io->loadU8();
	RsDataType dt = (RsDataType)io->loadU8();
	uint32_t bits = io->loadU8();
	bool isNorm = io->loadU8() != 0;
	LOGE(" %i %i %i %i", dk, dt, bits, isNorm);
	rsi_ElementAdd(rsc, dk, dt, isNorm, bits);
	}
	LOGE("processChunk_Element create");
	ie->mRsObj = rsi_ElementCreate(rsc);
	}

	void FileA3D::processChunk_ElementSource(Context rsc, IO io, A3DIndexEntry *ie)
	{
	uint32_t index = io->loadU32();
	uint32_t count = io->loadU32();

	RsElement e = (RsElement)mIndex[index].mRsObj;

	RsAllocation a = rsi_AllocationCreateSized(rsc, e, count);
	Allocation * alloc = static_cast<Allocation *>(a);

	float * data = (float *)alloc->getPtr();
	while(count--) {
	*data = io->loadF();
	data++;
	}
	ie->mRsObj = alloc;
	}

	namespace android {
	namespace renderscript {


	RsFile rsi_FileOpen(Context rsc, char const path, unsigned int len)
	{
	FileA3D *fa3d = new FileA3D;

	FILE *f = fopen("/sdcard/test.a3d", "rb");
	if (f) {
	fa3d->load(rsc, f);
	fclose(f);
	return fa3d;
	}
	delete fa3d;
	return NULL;
	}


	}
	}