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fix blendshapes crash

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This commit is contained in:
SamGondelman 2018-08-29 17:57:54 -07:00
parent 47ce8be526
commit 248c2621a4
3 changed files with 45 additions and 49 deletions
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5
libraries/render-utils/src/CauterizedModel.cpp
View file

@ -86,9 +86,8 @@ void CauterizedModel::createRenderItemSet() {
// Create the render payloads
int numParts = (int)mesh->getNumParts();
for (int partIndex = 0; partIndex < numParts; partIndex++) {
if (!fbxGeometry.meshes[i].blendshapes.empty() && !_blendedVertexBuffers[i]) {
_blendedVertexBuffers[i] = std::make_shared<gpu::Buffer>();
_blendedVertexBuffers[i]->resize(fbxGeometry.meshes[i].vertices.size() * (sizeof(glm::vec3) + 2 * sizeof(NormalType)));
if (!fbxGeometry.meshes[i].blendshapes.empty()) {
initializeBlendshapes(fbxGeometry.meshes[i], i);
}
auto ptr = std::make_shared<CauterizedMeshPartPayload>(shared_from_this(), i, partIndex, shapeID, transform, offset);
_modelMeshRenderItems << std::static_pointer_cast<ModelMeshPartPayload>(ptr);

87
libraries/render-utils/src/Model.cpp
View file

@ -302,52 +302,11 @@ bool Model::updateGeometry() {
assert(_meshStates.empty());
const FBXGeometry& fbxGeometry = getFBXGeometry();
int i = 0;
foreach (const FBXMesh& mesh, fbxGeometry.meshes) {
MeshState state;
state.clusterDualQuaternions.resize(mesh.clusters.size());
state.clusterMatrices.resize(mesh.clusters.size());
_meshStates.push_back(state);
if (!mesh.blendshapes.isEmpty()) {
if (!_blendedVertexBuffers[i]) {
_blendedVertexBuffers[i] = std::make_shared<gpu::Buffer>();
}
const auto& buffer = _blendedVertexBuffers[i];
QVector<NormalType> normalsAndTangents;
normalsAndTangents.resize(2 * mesh.normals.size());
// Interleave normals and tangents
// Parallel version for performance
tbb::parallel_for(tbb::blocked_range<int>(0, mesh.normals.size()), [&](const tbb::blocked_range<int>& range) {
auto normalsRange = std::make_pair(mesh.normals.begin() + range.begin(), mesh.normals.begin() + range.end());
auto tangentsRange = std::make_pair(mesh.tangents.begin() + range.begin(), mesh.tangents.begin() + range.end());
auto normalsAndTangentsIt = normalsAndTangents.begin() + 2 * range.begin();
for (auto normalIt = normalsRange.first, tangentIt = tangentsRange.first;
normalIt != normalsRange.second;
++normalIt, ++tangentIt) {
#if FBX_PACK_NORMALS
glm::uint32 finalNormal;
glm::uint32 finalTangent;
buffer_helpers::packNormalAndTangent(*normalIt, *tangentIt, finalNormal, finalTangent);
#else
const auto& finalNormal = *normalIt;
const auto& finalTangent = *tangentIt;
#endif
*normalsAndTangentsIt = finalNormal;
++normalsAndTangentsIt;
*normalsAndTangentsIt = finalTangent;
++normalsAndTangentsIt;
}
});
const auto verticesSize = mesh.vertices.size() * sizeof(glm::vec3);
buffer->resize(mesh.vertices.size() * sizeof(glm::vec3) + normalsAndTangents.size() * sizeof(NormalType));
buffer->setSubData(0, verticesSize, (const gpu::Byte*) mesh.vertices.constData());
buffer->setSubData(verticesSize, 2 * mesh.normals.size() * sizeof(NormalType), (const gpu::Byte*) normalsAndTangents.data());
mesh.normalsAndTangents = normalsAndTangents;
}
i++;
}
needFullUpdate = true;
emit rigReady();
@ -1514,10 +1473,10 @@ void Model::setBlendedVertices(int blendNumber, const Geometry::WeakPointer& geo
assert(buffer);
buffer->resize(mesh.vertices.size() * sizeof(glm::vec3) + mesh.normalsAndTangents.size() * sizeof(NormalType));
buffer->setSubData(0, verticesSize, (gpu::Byte*) vertices.constData() + index * sizeof(glm::vec3));
buffer->setSubData(verticesSize, 2 * mesh.normals.size() * sizeof(NormalType), (const gpu::Byte*) normalsAndTangents.data() + normalAndTangentIndex * sizeof(NormalType));
buffer->setSubData(verticesSize, mesh.normalsAndTangents.size() * sizeof(NormalType), (const gpu::Byte*) normalsAndTangents.data() + normalAndTangentIndex * sizeof(NormalType));
index += vertexCount;
normalAndTangentIndex += 2 * mesh.normals.size();
normalAndTangentIndex += mesh.normalsAndTangents.size();
}
}
@ -1555,6 +1514,42 @@ const render::ItemIDs& Model::fetchRenderItemIDs() const {
return _modelMeshRenderItemIDs;
}
void Model::initializeBlendshapes(const FBXMesh& mesh, int index) {
QVector<NormalType> normalsAndTangents;
normalsAndTangents.resize(2 * mesh.normals.size());
// Interleave normals and tangents
// Parallel version for performance
tbb::parallel_for(tbb::blocked_range<int>(0, mesh.normals.size()), [&](const tbb::blocked_range<int>& range) {
auto normalsRange = std::make_pair(mesh.normals.begin() + range.begin(), mesh.normals.begin() + range.end());
auto tangentsRange = std::make_pair(mesh.tangents.begin() + range.begin(), mesh.tangents.begin() + range.end());
auto normalsAndTangentsIt = normalsAndTangents.begin() + 2 * range.begin();
for (auto normalIt = normalsRange.first, tangentIt = tangentsRange.first;
normalIt != normalsRange.second;
++normalIt, ++tangentIt) {
#if FBX_PACK_NORMALS
glm::uint32 finalNormal;
glm::uint32 finalTangent;
buffer_helpers::packNormalAndTangent(*normalIt, *tangentIt, finalNormal, finalTangent);
#else
const auto& finalNormal = *normalIt;
const auto& finalTangent = *tangentIt;
#endif
*normalsAndTangentsIt = finalNormal;
++normalsAndTangentsIt;
*normalsAndTangentsIt = finalTangent;
++normalsAndTangentsIt;
}
});
const auto verticesSize = mesh.vertices.size() * sizeof(glm::vec3);
_blendedVertexBuffers[index] = std::make_shared<gpu::Buffer>();
_blendedVertexBuffers[index]->resize(mesh.vertices.size() * sizeof(glm::vec3) + normalsAndTangents.size() * sizeof(NormalType));
_blendedVertexBuffers[index]->setSubData(0, verticesSize, (const gpu::Byte*) mesh.vertices.constData());
_blendedVertexBuffers[index]->setSubData(verticesSize, normalsAndTangents.size() * sizeof(NormalType), (const gpu::Byte*) normalsAndTangents.data());
mesh.normalsAndTangents = normalsAndTangents;
}
void Model::createRenderItemSet() {
assert(isLoaded());
const auto& meshes = _renderGeometry->getMeshes();
@ -1583,7 +1578,7 @@ void Model::createRenderItemSet() {
// Run through all of the meshes, and place them into their segregated, but unsorted buckets
int shapeID = 0;
uint32_t numMeshes = (uint32_t)meshes.size();
auto fbxGeometry = getFBXGeometry();
auto& fbxGeometry = getFBXGeometry();
for (uint32_t i = 0; i < numMeshes; i++) {
const auto& mesh = meshes.at(i);
if (!mesh) {
@ -1593,8 +1588,8 @@ void Model::createRenderItemSet() {
// Create the render payloads
int numParts = (int)mesh->getNumParts();
for (int partIndex = 0; partIndex < numParts; partIndex++) {
if (fbxGeometry.meshes[i].blendshapes.empty() && !_blendedVertexBuffers[i]) {
_blendedVertexBuffers[i] = std::make_shared<gpu::Buffer>();
if (!fbxGeometry.meshes[i].blendshapes.empty()) {
initializeBlendshapes(fbxGeometry.meshes[i], i);
}
_modelMeshRenderItems << std::make_shared<ModelMeshPartPayload>(shared_from_this(), i, partIndex, shapeID, transform, offset);
auto material = getGeometry()->getShapeMaterial(shapeID);

2
libraries/render-utils/src/Model.h
View file

@ -482,6 +482,8 @@ protected:
bool shouldInvalidatePayloadShapeKey(int meshIndex);
void initializeBlendshapes(const FBXMesh& mesh, int index);
private:
float _loadingPriority { 0.0f };