| /* |
| * 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_RS_BUILD_FOR_HOST |
| #include "rsContext.h" |
| |
| #include <GLES/gl.h> |
| #include <GLES2/gl2.h> |
| #include <GLES/glext.h> |
| #else |
| #include "rsContextHostStub.h" |
| |
| #include <OpenGL/gl.h> |
| #include <OpenGl/glext.h> |
| #endif |
| |
| |
| using namespace android; |
| using namespace android::renderscript; |
| |
| Mesh::Mesh(Context *rsc) : ObjectBase(rsc) |
| { |
| mAllocFile = __FILE__; |
| mAllocLine = __LINE__; |
| mPrimitives = NULL; |
| mPrimitivesCount = 0; |
| mVertexBuffers = NULL; |
| mVertexBufferCount = 0; |
| } |
| |
| Mesh::~Mesh() |
| { |
| if(mVertexBuffers) { |
| delete[] mVertexBuffers; |
| } |
| |
| if(mPrimitives) { |
| for(uint32_t i = 0; i < mPrimitivesCount; i ++) { |
| delete mPrimitives[i]; |
| } |
| delete[] mPrimitives; |
| } |
| } |
| |
| void Mesh::render(Context *rsc) const |
| { |
| for(uint32_t ct = 0; ct < mPrimitivesCount; ct ++) { |
| renderPrimitive(rsc, ct); |
| } |
| } |
| |
| void Mesh::renderPrimitive(Context *rsc, uint32_t primIndex) const { |
| if (primIndex >= mPrimitivesCount) { |
| LOGE("Invalid primitive index"); |
| return; |
| } |
| |
| Primitive_t *prim = mPrimitives[primIndex]; |
| |
| if (prim->mIndexBuffer.get()) { |
| renderPrimitiveRange(rsc, primIndex, 0, prim->mIndexBuffer->getType()->getDimX()); |
| return; |
| } |
| |
| renderPrimitiveRange(rsc, primIndex, 0, mVertexBuffers[0]->getType()->getDimX()); |
| } |
| |
| void Mesh::renderPrimitiveRange(Context *rsc, uint32_t primIndex, uint32_t start, uint32_t len) const |
| { |
| if (len < 1 || primIndex >= mPrimitivesCount) { |
| return; |
| } |
| |
| rsc->checkError("Mesh::renderPrimitiveRange 1"); |
| VertexArray va; |
| for (uint32_t ct=0; ct < mVertexBufferCount; ct++) { |
| mVertexBuffers[ct]->uploadCheck(rsc); |
| if (mVertexBuffers[ct]->getIsBufferObject()) { |
| va.setActiveBuffer(mVertexBuffers[ct]->getBufferObjectID()); |
| } else { |
| va.setActiveBuffer(mVertexBuffers[ct]->getPtr()); |
| } |
| mVertexBuffers[ct]->getType()->enableGLVertexBuffer(&va); |
| } |
| va.setupGL2(rsc, &rsc->mStateVertexArray, &rsc->mShaderCache); |
| |
| rsc->checkError("Mesh::renderPrimitiveRange 2"); |
| Primitive_t *prim = mPrimitives[primIndex]; |
| if (prim->mIndexBuffer.get()) { |
| prim->mIndexBuffer->uploadCheck(rsc); |
| glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, prim->mIndexBuffer->getBufferObjectID()); |
| glDrawElements(prim->mGLPrimitive, len, GL_UNSIGNED_SHORT, (uint16_t *)(start * 2)); |
| } else { |
| glDrawArrays(prim->mGLPrimitive, start, len); |
| } |
| |
| rsc->checkError("Mesh::renderPrimitiveRange"); |
| } |
| |
| |
| void Mesh::uploadAll(Context *rsc) |
| { |
| for (uint32_t ct = 0; ct < mVertexBufferCount; ct ++) { |
| if (mVertexBuffers[ct].get()) { |
| mVertexBuffers[ct]->deferedUploadToBufferObject(rsc); |
| } |
| } |
| |
| for (uint32_t ct = 0; ct < mPrimitivesCount; ct ++) { |
| if (mPrimitives[ct]->mIndexBuffer.get()) { |
| mPrimitives[ct]->mIndexBuffer->deferedUploadToBufferObject(rsc); |
| } |
| } |
| |
| rsc->checkError("Mesh::uploadAll"); |
| } |
| |
| void Mesh::updateGLPrimitives() |
| { |
| for(uint32_t i = 0; i < mPrimitivesCount; i ++) { |
| switch(mPrimitives[i]->mPrimitive) { |
| case RS_PRIMITIVE_POINT: mPrimitives[i]->mGLPrimitive = GL_POINTS; break; |
| case RS_PRIMITIVE_LINE: mPrimitives[i]->mGLPrimitive = GL_LINES; break; |
| case RS_PRIMITIVE_LINE_STRIP: mPrimitives[i]->mGLPrimitive = GL_LINE_STRIP; break; |
| case RS_PRIMITIVE_TRIANGLE: mPrimitives[i]->mGLPrimitive = GL_TRIANGLES; break; |
| case RS_PRIMITIVE_TRIANGLE_STRIP: mPrimitives[i]->mGLPrimitive = GL_TRIANGLE_STRIP; break; |
| case RS_PRIMITIVE_TRIANGLE_FAN: mPrimitives[i]->mGLPrimitive = GL_TRIANGLE_FAN; break; |
| } |
| } |
| } |
| |
| 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(mVertexBufferCount); |
| for(uint32_t vCount = 0; vCount < mVertexBufferCount; vCount ++) { |
| mVertexBuffers[vCount]->serialize(stream); |
| } |
| |
| stream->addU32(mPrimitivesCount); |
| // Store the primitives |
| for (uint32_t pCount = 0; pCount < mPrimitivesCount; pCount ++) { |
| Primitive_t * prim = mPrimitives[pCount]; |
| |
| stream->addU8((uint8_t)prim->mPrimitive); |
| |
| if(prim->mIndexBuffer.get()) { |
| stream->addU32(1); |
| prim->mIndexBuffer->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; |
| } |
| |
| Mesh * mesh = new Mesh(rsc); |
| |
| String8 name; |
| stream->loadString(&name); |
| mesh->setName(name.string(), name.size()); |
| |
| mesh->mVertexBufferCount = stream->loadU32(); |
| if(mesh->mVertexBufferCount) { |
| mesh->mVertexBuffers = new ObjectBaseRef<Allocation>[mesh->mVertexBufferCount]; |
| |
| for(uint32_t vCount = 0; vCount < mesh->mVertexBufferCount; vCount ++) { |
| Allocation *vertexAlloc = Allocation::createFromStream(rsc, stream); |
| mesh->mVertexBuffers[vCount].set(vertexAlloc); |
| } |
| } |
| |
| mesh->mPrimitivesCount = stream->loadU32(); |
| if(mesh->mPrimitivesCount) { |
| mesh->mPrimitives = new Primitive_t *[mesh->mPrimitivesCount]; |
| |
| // load all primitives |
| for (uint32_t pCount = 0; pCount < mesh->mPrimitivesCount; pCount ++) { |
| Primitive_t * prim = new Primitive_t; |
| mesh->mPrimitives[pCount] = prim; |
| |
| prim->mPrimitive = (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); |
| prim->mIndexBuffer.set(indexAlloc); |
| } |
| } |
| } |
| |
| mesh->updateGLPrimitives(); |
| mesh->uploadAll(rsc); |
| |
| return mesh; |
| } |
| |
| 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 < mVertexBufferCount; ct++) { |
| const Type *bufferType = mVertexBuffers[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*)mVertexBuffers[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; |
| } |
| } |
| |
| |
| MeshContext::MeshContext() |
| { |
| } |
| |
| MeshContext::~MeshContext() |
| { |
| } |
| |
| namespace android { |
| namespace renderscript { |
| |
| RsMesh rsi_MeshCreate(Context *rsc, uint32_t vtxCount, uint32_t idxCount) |
| { |
| Mesh *sm = new Mesh(rsc); |
| sm->incUserRef(); |
| |
| sm->mPrimitivesCount = idxCount; |
| sm->mPrimitives = new Mesh::Primitive_t *[sm->mPrimitivesCount]; |
| for(uint32_t ct = 0; ct < idxCount; ct ++) { |
| sm->mPrimitives[ct] = new Mesh::Primitive_t; |
| } |
| |
| sm->mVertexBufferCount = vtxCount; |
| sm->mVertexBuffers = new ObjectBaseRef<Allocation>[vtxCount]; |
| |
| return sm; |
| } |
| |
| void rsi_MeshBindVertex(Context *rsc, RsMesh mv, RsAllocation va, uint32_t slot) |
| { |
| Mesh *sm = static_cast<Mesh *>(mv); |
| rsAssert(slot < sm->mVertexBufferCount); |
| |
| sm->mVertexBuffers[slot].set((Allocation *)va); |
| } |
| |
| void rsi_MeshBindIndex(Context *rsc, RsMesh mv, RsAllocation va, uint32_t primType, uint32_t slot) |
| { |
| Mesh *sm = static_cast<Mesh *>(mv); |
| rsAssert(slot < sm->mPrimitivesCount); |
| |
| sm->mPrimitives[slot]->mIndexBuffer.set((Allocation *)va); |
| sm->mPrimitives[slot]->mPrimitive = (RsPrimitive)primType; |
| sm->updateGLPrimitives(); |
| } |
| |
| void rsi_MeshGetVertexBufferCount(Context *rsc, RsMesh mv, int32_t *numVtx) |
| { |
| Mesh *sm = static_cast<Mesh *>(mv); |
| *numVtx = sm->mVertexBufferCount; |
| } |
| |
| void rsi_MeshGetIndexCount(Context *rsc, RsMesh mv, int32_t *numIdx) |
| { |
| Mesh *sm = static_cast<Mesh *>(mv); |
| *numIdx = sm->mPrimitivesCount; |
| } |
| |
| void rsi_MeshGetVertices(Context *rsc, RsMesh mv, RsAllocation *vtxData, uint32_t vtxDataCount) |
| { |
| Mesh *sm = static_cast<Mesh *>(mv); |
| rsAssert(vtxDataCount == sm->mVertexBufferCount); |
| |
| for(uint32_t ct = 0; ct < vtxDataCount; ct ++) { |
| vtxData[ct] = sm->mVertexBuffers[ct].get(); |
| sm->mVertexBuffers[ct]->incUserRef(); |
| } |
| } |
| |
| void rsi_MeshGetIndices(Context *rsc, RsMesh mv, RsAllocation *va, uint32_t *primType, uint32_t idxDataCount) |
| { |
| Mesh *sm = static_cast<Mesh *>(mv); |
| rsAssert(idxDataCount == sm->mPrimitivesCount); |
| |
| for(uint32_t ct = 0; ct < idxDataCount; ct ++) { |
| va[ct] = sm->mPrimitives[ct]->mIndexBuffer.get(); |
| primType[ct] = sm->mPrimitives[ct]->mPrimitive; |
| if(sm->mPrimitives[ct]->mIndexBuffer.get()) { |
| sm->mPrimitives[ct]->mIndexBuffer->incUserRef(); |
| } |
| } |
| |
| } |
| |
| |
| |
| |
| }} |