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Brad Davis 2019-05-07 10:36:14 -07:00
parent 2b1267ffeb
commit 17632e3c50
1 changed files with 8 additions and 49 deletions
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57
libraries/render-utils/src/Model.cpp
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@ -1741,14 +1741,6 @@ Blender::Blender(ModelPointer model, int blendNumber, const Geometry::WeakPointe
_blendshapeCoefficients(blendshapeCoefficients) {
}
#define BLENDER_USE_NONE 0
#define BLENDER_USE_TBB 1
#define BLENDER_TBB_CHUNK_SIZE 512
#define BLENDER_USE_OPENMP 2
#define BLENDER_PARALLELISM BLENDER_USE_NONE
void Blender::run() {
QVector<BlendshapeOffset> blendshapeOffsets;
QVector<int> blendedMeshSizes;
@ -1788,63 +1780,30 @@ void Blender::run() {
float normalCoefficient = vertexCoefficient * NORMAL_COEFFICIENT_SCALE;
const HFMBlendshape& blendshape = mesh.blendshapes.at(i);
#if (BLENDER_PARALLELISM == BLENDER_USE_TBB)
tbb::parallel_for(tbb::blocked_range<int>(0, blendshape.indices.size(), BLENDER_TBB_CHUNK_SIZE), [&](const tbb::blocked_range<int>& range) {
for (auto j = range.begin(); j < range.end(); j++) {
#elif (BLENDER_PARALLELISM == BLENDER_USE_OPENMP)
{
#pragma omp parallel for
for (int j = 0; j < (int)blendshape.indices.size(); ++j) {
#else
{
for (int j = 0; j < blendshape.indices.size(); ++j) {
#endif
for (int j = 0; j < blendshape.indices.size(); ++j) {
int index = blendshape.indices.at(j);
int index = blendshape.indices.at(j);
auto& currentBlendshapeOffset = unpackedBlendshapeOffsets[index];
currentBlendshapeOffset.positionOffset += blendshape.vertices.at(j) * vertexCoefficient;
auto& currentBlendshapeOffset = unpackedBlendshapeOffsets[index];
currentBlendshapeOffset.positionOffset += blendshape.vertices.at(j) * vertexCoefficient;
currentBlendshapeOffset.normalOffset += blendshape.normals.at(j) * normalCoefficient;
if (j < blendshape.tangents.size()) {
currentBlendshapeOffset.tangentOffset += blendshape.tangents.at(j) * normalCoefficient;
}
currentBlendshapeOffset.normalOffset += blendshape.normals.at(j) * normalCoefficient;
if (j < blendshape.tangents.size()) {
currentBlendshapeOffset.tangentOffset += blendshape.tangents.at(j) * normalCoefficient;
}
#if (BLENDER_PARALLELISM == BLENDER_USE_TBB)
});
#else
}
#endif
}
// Blendshape offsets are generrated, now let's pack it on its way to gpu
#if (BLENDER_PARALLELISM == BLENDER_USE_TBB)
tbb::parallel_for(tbb::blocked_range<int>(0, (int) unpackedBlendshapeOffsets.size(), BLENDER_TBB_CHUNK_SIZE), [&](const tbb::blocked_range<int>& range) {
auto unpacked = unpackedBlendshapeOffsets.data() + range.begin();
auto packed = meshBlendshapeOffsets + range.begin();
for (auto j = range.begin(); j < range.end(); j++) {
#elif (BLENDER_PARALLELISM == BLENDER_USE_OPENMP)
{
auto unpacked = unpackedBlendshapeOffsets.data();
auto packed = meshBlendshapeOffsets;
#pragma omp parallel for
for (int j = 0; j < (int)unpackedBlendshapeOffsets.size(); ++j) {
#else
// FIXME it feels like we could be more effectively using SIMD here
{
auto unpacked = unpackedBlendshapeOffsets.data();
auto packed = meshBlendshapeOffsets;
for (int j = 0; j < (int)unpackedBlendshapeOffsets.size(); ++j) {
#endif
//for (auto j = range.begin(); j < range.end(); j++) {
packBlendshapeOffsetTo_Pos_F32_3xSN10_Nor_3xSN10_Tan_3xSN10((*packed).packedPosNorTan, (*unpacked));
++unpacked;
++packed;
}
#if (BLENDER_PARALLELISM == BLENDER_USE_TBB)
});
#else
}
#endif
}
}
// post the result to the ModelBlender, which will dispatch to the model if still alive