| /* |
| * Copyright (C) 2011 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" |
| |
| using namespace android; |
| using namespace android::renderscript; |
| |
| Mesh::Mesh(Context *rsc) : ObjectBase(rsc) { |
| mHal.drv = NULL; |
| mHal.state.primitives = NULL; |
| mHal.state.primitivesCount = 0; |
| mHal.state.indexBuffers = NULL; |
| mHal.state.indexBuffersCount = 0; |
| mHal.state.vertexBuffers = NULL; |
| mHal.state.vertexBuffersCount = 0; |
| mInitialized = false; |
| |
| mVertexBuffers = NULL; |
| mIndexBuffers = NULL; |
| } |
| |
| Mesh::Mesh(Context *rsc, |
| uint32_t vertexBuffersCount, |
| uint32_t primitivesCount) : ObjectBase(rsc) { |
| mHal.drv = NULL; |
| mHal.state.primitivesCount = primitivesCount; |
| mHal.state.indexBuffersCount = primitivesCount; |
| mHal.state.primitives = new RsPrimitive[mHal.state.primitivesCount]; |
| mHal.state.indexBuffers = new Allocation *[mHal.state.indexBuffersCount]; |
| for (uint32_t i = 0; i < mHal.state.primitivesCount; i ++) { |
| mHal.state.primitives[i] = RS_PRIMITIVE_POINT; |
| } |
| for (uint32_t i = 0; i < mHal.state.indexBuffersCount; i ++) { |
| mHal.state.indexBuffers[i] = NULL; |
| } |
| mHal.state.vertexBuffersCount = vertexBuffersCount; |
| mHal.state.vertexBuffers = new Allocation *[mHal.state.vertexBuffersCount]; |
| for (uint32_t i = 0; i < mHal.state.vertexBuffersCount; i ++) { |
| mHal.state.vertexBuffers[i] = NULL; |
| } |
| |
| mVertexBuffers = new ObjectBaseRef<Allocation>[mHal.state.vertexBuffersCount]; |
| mIndexBuffers = new ObjectBaseRef<Allocation>[mHal.state.primitivesCount]; |
| } |
| |
| Mesh::~Mesh() { |
| #ifndef ANDROID_RS_SERIALIZE |
| mRSC->mHal.funcs.mesh.destroy(mRSC, this); |
| #endif |
| |
| delete[] mHal.state.vertexBuffers; |
| delete[] mHal.state.primitives; |
| delete[] mHal.state.indexBuffers; |
| |
| delete[] mVertexBuffers; |
| delete[] mIndexBuffers; |
| } |
| |
| void Mesh::init() { |
| #ifndef ANDROID_RS_SERIALIZE |
| mRSC->mHal.funcs.mesh.init(mRSC, this); |
| #endif |
| } |
| |
| void Mesh::serialize(OStream *stream) const { |
| // Need to identify ourselves |
| stream->addU32((uint32_t)getClassId()); |
| |
| String8 name(getName()); |
| stream->addString(&name); |
| |
| // Store number of vertex streams |
| stream->addU32(mHal.state.vertexBuffersCount); |
| for (uint32_t vCount = 0; vCount < mHal.state.vertexBuffersCount; vCount ++) { |
| mHal.state.vertexBuffers[vCount]->serialize(stream); |
| } |
| |
| stream->addU32(mHal.state.primitivesCount); |
| // Store the primitives |
| for (uint32_t pCount = 0; pCount < mHal.state.primitivesCount; pCount ++) { |
| stream->addU8((uint8_t)mHal.state.primitives[pCount]); |
| |
| if (mHal.state.indexBuffers[pCount]) { |
| stream->addU32(1); |
| mHal.state.indexBuffers[pCount]->serialize(stream); |
| } else { |
| stream->addU32(0); |
| } |
| } |
| } |
| |
| Mesh *Mesh::createFromStream(Context *rsc, IStream *stream) { |
| // First make sure we are reading the correct object |
| RsA3DClassID classID = (RsA3DClassID)stream->loadU32(); |
| if (classID != RS_A3D_CLASS_ID_MESH) { |
| LOGE("mesh loading skipped due to invalid class id"); |
| return NULL; |
| } |
| |
| String8 name; |
| stream->loadString(&name); |
| |
| uint32_t vertexBuffersCount = stream->loadU32(); |
| ObjectBaseRef<Allocation> *vertexBuffers = NULL; |
| if (vertexBuffersCount) { |
| vertexBuffers = new ObjectBaseRef<Allocation>[vertexBuffersCount]; |
| |
| for (uint32_t vCount = 0; vCount < vertexBuffersCount; vCount ++) { |
| Allocation *vertexAlloc = Allocation::createFromStream(rsc, stream); |
| vertexBuffers[vCount].set(vertexAlloc); |
| } |
| } |
| |
| uint32_t primitivesCount = stream->loadU32(); |
| ObjectBaseRef<Allocation> *indexBuffers = NULL; |
| RsPrimitive *primitives = NULL; |
| if (primitivesCount) { |
| indexBuffers = new ObjectBaseRef<Allocation>[primitivesCount]; |
| primitives = new RsPrimitive[primitivesCount]; |
| |
| // load all primitives |
| for (uint32_t pCount = 0; pCount < primitivesCount; pCount ++) { |
| primitives[pCount] = (RsPrimitive)stream->loadU8(); |
| |
| // Check to see if the index buffer was stored |
| uint32_t isIndexPresent = stream->loadU32(); |
| if (isIndexPresent) { |
| Allocation *indexAlloc = Allocation::createFromStream(rsc, stream); |
| indexBuffers[pCount].set(indexAlloc); |
| } |
| } |
| } |
| |
| Mesh *mesh = new Mesh(rsc, vertexBuffersCount, primitivesCount); |
| mesh->setName(name.string(), name.size()); |
| for (uint32_t vCount = 0; vCount < vertexBuffersCount; vCount ++) { |
| mesh->setVertexBuffer(vertexBuffers[vCount].get(), vCount); |
| } |
| for (uint32_t pCount = 0; pCount < primitivesCount; pCount ++) { |
| mesh->setPrimitive(indexBuffers[pCount].get(), primitives[pCount], pCount); |
| } |
| |
| // Cleanup |
| if (vertexBuffersCount) { |
| delete[] vertexBuffers; |
| } |
| if (primitivesCount) { |
| delete[] indexBuffers; |
| delete[] primitives; |
| } |
| |
| #ifndef ANDROID_RS_SERIALIZE |
| mesh->init(); |
| mesh->uploadAll(rsc); |
| #endif |
| return mesh; |
| } |
| |
| void Mesh::render(Context *rsc) const { |
| for (uint32_t ct = 0; ct < mHal.state.primitivesCount; ct ++) { |
| renderPrimitive(rsc, ct); |
| } |
| } |
| |
| void Mesh::renderPrimitive(Context *rsc, uint32_t primIndex) const { |
| if (primIndex >= mHal.state.primitivesCount) { |
| LOGE("Invalid primitive index"); |
| return; |
| } |
| |
| if (mHal.state.indexBuffers[primIndex]) { |
| renderPrimitiveRange(rsc, primIndex, 0, mHal.state.indexBuffers[primIndex]->getType()->getDimX()); |
| return; |
| } |
| |
| renderPrimitiveRange(rsc, primIndex, 0, mHal.state.vertexBuffers[0]->getType()->getDimX()); |
| } |
| |
| void Mesh::renderPrimitiveRange(Context *rsc, uint32_t primIndex, uint32_t start, uint32_t len) const { |
| if (len < 1 || primIndex >= mHal.state.primitivesCount) { |
| LOGE("Invalid mesh or parameters"); |
| return; |
| } |
| |
| mRSC->mHal.funcs.mesh.draw(mRSC, this, primIndex, start, len); |
| } |
| |
| void Mesh::uploadAll(Context *rsc) { |
| for (uint32_t ct = 0; ct < mHal.state.vertexBuffersCount; ct ++) { |
| if (mHal.state.vertexBuffers[ct]) { |
| rsc->mHal.funcs.allocation.markDirty(rsc, mHal.state.vertexBuffers[ct]); |
| } |
| } |
| |
| for (uint32_t ct = 0; ct < mHal.state.primitivesCount; ct ++) { |
| if (mHal.state.indexBuffers[ct]) { |
| rsc->mHal.funcs.allocation.markDirty(rsc, mHal.state.indexBuffers[ct]); |
| } |
| } |
| } |
| |
| void Mesh::computeBBox() { |
| float *posPtr = NULL; |
| uint32_t vectorSize = 0; |
| uint32_t stride = 0; |
| uint32_t numVerts = 0; |
| // First we need to find the position ptr and stride |
| for (uint32_t ct=0; ct < mHal.state.vertexBuffersCount; ct++) { |
| const Type *bufferType = mHal.state.vertexBuffers[ct]->getType(); |
| const Element *bufferElem = bufferType->getElement(); |
| |
| for (uint32_t ct=0; ct < bufferElem->getFieldCount(); ct++) { |
| if (strcmp(bufferElem->getFieldName(ct), "position") == 0) { |
| vectorSize = bufferElem->getField(ct)->getComponent().getVectorSize(); |
| stride = bufferElem->getSizeBytes() / sizeof(float); |
| uint32_t offset = bufferElem->getFieldOffsetBytes(ct); |
| posPtr = (float*)((uint8_t*)mHal.state.vertexBuffers[ct]->getPtr() + offset); |
| numVerts = bufferType->getDimX(); |
| break; |
| } |
| } |
| if (posPtr) { |
| break; |
| } |
| } |
| |
| mBBoxMin[0] = mBBoxMin[1] = mBBoxMin[2] = 1e6; |
| mBBoxMax[0] = mBBoxMax[1] = mBBoxMax[2] = -1e6; |
| if (!posPtr) { |
| LOGE("Unable to compute bounding box"); |
| mBBoxMin[0] = mBBoxMin[1] = mBBoxMin[2] = 0.0f; |
| mBBoxMax[0] = mBBoxMax[1] = mBBoxMax[2] = 0.0f; |
| return; |
| } |
| |
| for (uint32_t i = 0; i < numVerts; i ++) { |
| for (uint32_t v = 0; v < vectorSize; v ++) { |
| mBBoxMin[v] = rsMin(mBBoxMin[v], posPtr[v]); |
| mBBoxMax[v] = rsMax(mBBoxMax[v], posPtr[v]); |
| } |
| posPtr += stride; |
| } |
| } |
| |
| namespace android { |
| namespace renderscript { |
| |
| RsMesh rsi_MeshCreate(Context *rsc, |
| RsAllocation * vtx, size_t vtxCount, |
| RsAllocation * idx, size_t idxCount, |
| uint32_t * primType, size_t primTypeCount) { |
| rsAssert(idxCount == primTypeCount); |
| Mesh *sm = new Mesh(rsc, vtxCount, idxCount); |
| sm->incUserRef(); |
| |
| for (uint32_t i = 0; i < vtxCount; i ++) { |
| sm->setVertexBuffer((Allocation*)vtx[i], i); |
| } |
| |
| for (uint32_t i = 0; i < idxCount; i ++) { |
| sm->setPrimitive((Allocation*)idx[i], (RsPrimitive)primType[i], i); |
| } |
| |
| sm->init(); |
| |
| return sm; |
| } |
| |
| }} |
| |
| void rsaMeshGetVertexBufferCount(RsContext con, RsMesh mv, int32_t *numVtx) { |
| Mesh *sm = static_cast<Mesh *>(mv); |
| *numVtx = sm->mHal.state.vertexBuffersCount; |
| } |
| |
| void rsaMeshGetIndexCount(RsContext con, RsMesh mv, int32_t *numIdx) { |
| Mesh *sm = static_cast<Mesh *>(mv); |
| *numIdx = sm->mHal.state.primitivesCount; |
| } |
| |
| void rsaMeshGetVertices(RsContext con, RsMesh mv, RsAllocation *vtxData, uint32_t vtxDataCount) { |
| Mesh *sm = static_cast<Mesh *>(mv); |
| rsAssert(vtxDataCount == sm->mHal.state.vertexBuffersCount); |
| |
| for (uint32_t ct = 0; ct < vtxDataCount; ct ++) { |
| vtxData[ct] = sm->mHal.state.vertexBuffers[ct]; |
| sm->mHal.state.vertexBuffers[ct]->incUserRef(); |
| } |
| } |
| |
| void rsaMeshGetIndices(RsContext con, RsMesh mv, RsAllocation *va, uint32_t *primType, uint32_t idxDataCount) { |
| Mesh *sm = static_cast<Mesh *>(mv); |
| rsAssert(idxDataCount == sm->mHal.state.primitivesCount); |
| |
| for (uint32_t ct = 0; ct < idxDataCount; ct ++) { |
| va[ct] = sm->mHal.state.indexBuffers[ct]; |
| primType[ct] = sm->mHal.state.primitives[ct]; |
| if (sm->mHal.state.indexBuffers[ct]) { |
| sm->mHal.state.indexBuffers[ct]->incUserRef(); |
| } |
| } |
| } |