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some clean-ups and a bug fix in PolyVox to mesh code

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This commit is contained in:
Seth Alves 2017-03-27 06:50:06 -07:00
parent 9cdd85af05
commit 2682586c38
3 changed files with 22 additions and 16 deletions
libraries
entities-renderer/src
RenderablePolyVoxEntityItem.cpp
fbx/src
OBJWriter.cpp
model/src/model
MeshProxy.cpp

30
libraries/entities-renderer/src/RenderablePolyVoxEntityItem.cpp
View file

@ -690,6 +690,8 @@ bool RenderablePolyVoxEntityItem::updateDependents() {
_voxelDataDirty = false;
} else if (_volDataDirty) {
_volDataDirty = false;
} else {
_meshReady = true;
}
});
if (voxelDataDirty) {
@ -707,7 +709,9 @@ void RenderablePolyVoxEntityItem::render(RenderArgs* args) {
assert(getType() == EntityTypes::PolyVox);
Q_ASSERT(args->_batch);
updateDependents();
if (_voxelDataDirty || _volDataDirty) {
updateDependents();
}
model::MeshPointer mesh;
glm::vec3 voxelVolumeSize;
@ -769,6 +773,11 @@ void RenderablePolyVoxEntityItem::render(RenderArgs* args) {
0,
sizeof(PolyVox::PositionMaterialNormal));
// batch.setInputBuffer(gpu::Stream::NORMAL, mesh->getVertexBuffer()._buffer,
// 12,
// sizeof(PolyVox::PositionMaterialNormal));
batch.setIndexBuffer(gpu::UINT32, mesh->getIndexBuffer()._buffer, 0);
if (!_xTextureURL.isEmpty() && !_xTexture) {
@ -1287,23 +1296,26 @@ void RenderablePolyVoxEntityItem::recomputeMesh() {
auto indexBuffer = std::make_shared<gpu::Buffer>(vecIndices.size() * sizeof(uint32_t),
(gpu::Byte*)vecIndices.data());
auto indexBufferPtr = gpu::BufferPointer(indexBuffer);
gpu::BufferView indexBufferView(indexBufferPtr, gpu::Element(gpu::SCALAR, gpu::UINT32, gpu::RAW));
gpu::BufferView indexBufferView(indexBufferPtr, gpu::Element(gpu::SCALAR, gpu::UINT32, gpu::INDEX));
mesh->setIndexBuffer(indexBufferView);
const std::vector<PolyVox::PositionMaterialNormal>& vecVertices = polyVoxMesh.getVertices();
const std::vector<PolyVox::PositionMaterialNormal>& vecVertices = polyVoxMesh.getRawVertexData();
auto vertexBuffer = std::make_shared<gpu::Buffer>(vecVertices.size() * sizeof(PolyVox::PositionMaterialNormal),
(gpu::Byte*)vecVertices.data());
auto vertexBufferPtr = gpu::BufferPointer(vertexBuffer);
gpu::BufferView vertexBufferView(vertexBufferPtr, 0,
vertexBufferPtr->getSize(),
sizeof(PolyVox::PositionMaterialNormal),
gpu::Element(gpu::VEC3, gpu::FLOAT, gpu::RAW));
gpu::Element(gpu::VEC3, gpu::FLOAT, gpu::XYZ));
mesh->setVertexBuffer(vertexBufferView);
mesh->addAttribute(gpu::Stream::NORMAL,
gpu::BufferView(vertexBufferPtr, sizeof(float) * 3,
vertexBufferPtr->getSize() ,
gpu::BufferView(vertexBufferPtr,
sizeof(float) * 3, // polyvox mesh is packed: position, normal, material
vertexBufferPtr->getSize(),
sizeof(PolyVox::PositionMaterialNormal),
gpu::Element(gpu::VEC3, gpu::FLOAT, gpu::RAW)));
gpu::Element(gpu::VEC3, gpu::FLOAT, gpu::XYZ)));
std::vector<model::Mesh::Part> parts;
parts.emplace_back(model::Mesh::Part((model::Index)0, // startIndex
@ -1626,10 +1638,10 @@ bool RenderablePolyVoxEntityItem::getMeshes(MeshProxyList& result) {
// the mesh will be in voxel-space. transform it into object-space
meshProxy = new MeshProxy(
_mesh->map([=](glm::vec3 position){ return glm::vec3(transform * glm::vec4(position, 1.0f)); },
[=](glm::vec3 normal){ return glm::vec3(transform * glm::vec4(normal, 0.0f)); },
[=](glm::vec3 normal){ return glm::normalize(glm::vec3(transform * glm::vec4(normal, 0.0f))); },
[&](uint32_t index){ return index; }));
result << meshProxy;
}
});
return meshProxy;
return success;
}

2
libraries/fbx/src/OBJWriter.cpp
View file

@ -73,7 +73,7 @@ bool writeOBJToTextStream(QTextStream& out, QList<MeshPointer> meshes) {
foreach (const MeshPointer& mesh, meshes) {
meshNormalStartOffset.append(currentNormalStartOffset);
const gpu::BufferView& normalsBufferView = mesh->getAttributeBuffer(attributeTypeNormal);
gpu::BufferView::Index numNormals = (gpu::BufferView::Index)normalsBufferView.getNumElements();
gpu::BufferView::Index numNormals = (gpu::BufferView::Index)normalsBufferView.getNumElements();
for (gpu::BufferView::Index i = 0; i < numNormals; i++) {
glm::vec3 normal = normalsBufferView.get<glm::vec3>(i);
out << "vn ";

6
libraries/model/src/model/MeshProxy.cpp
View file

@ -26,14 +26,8 @@ QScriptValue meshesToScriptValue(QScriptEngine* engine, const MeshProxyList &in)
QScriptValue result = engine->newArray();
int i = 0;
foreach (MeshProxy* const meshProxy, in) {
qDebug() << "meshesToScriptValue adding mesh: " << (void*)meshProxy;
// result.setProperty(i++, QScriptValue(engine, meshProxy));
result.setProperty(i++, meshToScriptValue(engine, meshProxy));
// result.setProperty(QString::number(i++), QScriptValue(meshProxy));
// result[i] = QScriptValue(meshProxy);
// result << QScriptValue(meshProxy);
}
// result.setProperty("length", i);
return result;
}