static bool
_GetMetadataUnchecked(
const MFnDependencyNode& node,
const TfToken& key,
VtValue* value)
{
VtValue fallback = SdfSchema::GetInstance().GetFallback(key);
if (fallback.IsEmpty()) {
return false;
}
std::string mayaAttrName = _GetMayaAttrNameForMetadataKey(key);
MPlug plug = node.findPlug(mayaAttrName.c_str());
if (plug.isNull()) {
return false;
}
TfType ty = fallback.GetType();
VtValue result = UsdMayaWriteUtil::GetVtValue(plug, ty, TfToken());
if (result.IsEmpty()) {
TF_RUNTIME_ERROR(
"Cannot convert plug '%s' into metadata '%s' (%s)",
plug.name().asChar(),
key.GetText(),
ty.GetTypeName().c_str());
return false;
}
*value = result;
return true;
}
UsdAttribute
UsdSchemaBase::_CreateAttr(TfToken const &attrName,
SdfValueTypeName const & typeName,
bool custom, SdfVariability variability,
VtValue const &defaultValue,
bool writeSparsely) const
{
UsdPrim prim(GetPrim());
if (writeSparsely && !custom){
// We are a builtin, and we're trying to be parsimonious.
// We only need to even CREATE a propertySpec if we are
// authoring a non-fallback default value
UsdAttribute attr = prim.GetAttribute(attrName);
VtValue fallback;
if (defaultValue.IsEmpty() ||
(!attr.HasAuthoredValueOpinion()
&& attr.Get(&fallback)
&& fallback == defaultValue)){
return attr;
}
}
UsdAttribute attr(prim.CreateAttribute(attrName, typeName,
custom, variability));
if (attr && !defaultValue.IsEmpty()) {
attr.Set(defaultValue);
}
return attr;
}
static void
_ProcessChildren(
const TfToken& childrenField,
const VtValue& srcChildrenValue, const VtValue& dstChildrenValue,
const SdfLayerHandle& srcLayer, const SdfPath& srcPath, bool childrenInSrc,
const SdfLayerHandle& dstLayer, const SdfPath& dstPath, bool childrenInDst,
_CopyStack* copyStack)
{
typedef typename ChildPolicy::FieldType FieldType;
typedef std::vector<FieldType> ChildrenVector;
if (!TF_VERIFY(srcChildrenValue.IsHolding<ChildrenVector>() ||
srcChildrenValue.IsEmpty()) ||
!TF_VERIFY(dstChildrenValue.IsHolding<ChildrenVector>() ||
dstChildrenValue.IsEmpty())) {
return;
}
const ChildrenVector emptyChildren;
const ChildrenVector& srcChildren = srcChildrenValue.IsEmpty() ?
emptyChildren : srcChildrenValue.UncheckedGet<ChildrenVector>();
const ChildrenVector& dstChildren = dstChildrenValue.IsEmpty() ?
emptyChildren : dstChildrenValue.UncheckedGet<ChildrenVector>();
for (size_t i = 0; i < srcChildren.size(); ++i) {
if (srcChildren[i].IsEmpty() || dstChildren[i].IsEmpty()) {
continue;
}
const SdfPath srcChildPath =
ChildPolicy::GetChildPath(srcPath, srcChildren[i]);
const SdfPath dstChildPath =
ChildPolicy::GetChildPath(dstPath, dstChildren[i]);
copyStack->emplace_back(srcChildPath, dstChildPath);
}
// Add entries to the copy stack to mark the removal of child specs
// in the destination layer that aren't included in the list of children
// to copy.
if (childrenInDst) {
const VtValue oldDstChildrenValue =
dstLayer->GetField(dstPath, childrenField);
if (!TF_VERIFY(oldDstChildrenValue.IsHolding<ChildrenVector>())) {
return;
}
for (const auto& oldDstChild :
oldDstChildrenValue.UncheckedGet<ChildrenVector>()) {
if (std::find(dstChildren.begin(), dstChildren.end(),
oldDstChild) == dstChildren.end()) {
const SdfPath oldDstChildPath =
ChildPolicy::GetChildPath(dstPath, oldDstChild);
copyStack->emplace_back(SdfPath(), oldDstChildPath);
}
}
}
}
static
bool _GetMayaDictValue(const UsdAttribute& attr, const TfToken& key, T* outVal)
{
VtValue data = attr.GetCustomDataByKey(_tokens->Maya);
if (!data.IsEmpty()) {
if (data.IsHolding<VtDictionary>()) {
VtValue val;
if (TfMapLookup(data.UncheckedGet<VtDictionary>(), key, &val)) {
if (val.IsHolding<T>()) {
*outVal = val.UncheckedGet<T>();
return true;
}
else {
TF_WARN("Unexpected type for %s[%s] on <%s>.",
_tokens->Maya.GetText(),
key.GetText(),
attr.GetPath().GetText());
}
}
}
else {
TF_WARN("Expected to get %s on <%s> to be a dictionary.",
_tokens->Maya.GetText(),
attr.GetPath().GetText());
}
}
return false;
}
bool
UsdMayaAdaptor::SetMetadata(
const TfToken& key,
const VtValue& value,
MDGModifier& modifier)
{
if (!*this) {
TF_CODING_ERROR("Adaptor is not valid");
return false;
}
VtValue fallback;
if (!SdfSchema::GetInstance().IsRegistered(key, &fallback)) {
TF_CODING_ERROR("Metadata key '%s' is not registered", key.GetText());
return false;
}
if (fallback.IsEmpty()) {
return false;
}
VtValue castValue = VtValue::CastToTypeOf(value, fallback);
if (castValue.IsEmpty()) {
TF_CODING_ERROR("Can't cast value to type '%s'",
fallback.GetTypeName().c_str());
return false;
}
std::string mayaAttrName = _GetMayaAttrNameForMetadataKey(key);
std::string mayaNiceAttrName = key.GetText();
MFnDependencyNode node(_handle.object());
TfType ty = fallback.GetType();
MObject attrObj = UsdMayaReadUtil::FindOrCreateMayaAttr(
ty, TfToken(), SdfVariabilityUniform,
node, mayaAttrName, mayaNiceAttrName, modifier);
if (attrObj.isNull()) {
return false;
}
MPlug plug = node.findPlug(attrObj);
if (!UsdMayaReadUtil::SetMayaAttr(plug, castValue, modifier)) {
return false;
}
return true;
}
void
HdPoints::_PopulateVertexPrimVars(HdDrawItem *drawItem,
HdChangeTracker::DirtyBits *dirtyBits)
{
HD_TRACE_FUNCTION();
HD_MALLOC_TAG_FUNCTION();
SdfPath const& id = GetId();
HdSceneDelegate* delegate = GetDelegate();
HdResourceRegistry *resourceRegistry = &HdResourceRegistry::GetInstance();
// The "points" attribute is expected to be in this list.
TfTokenVector primVarNames = delegate->GetPrimVarVertexNames(id);
TfTokenVector const& vars = delegate->GetPrimVarVaryingNames(id);
primVarNames.insert(primVarNames.end(), vars.begin(), vars.end());
HdBufferSourceVector sources;
sources.reserve(primVarNames.size());
int pointsIndexInSourceArray = -1;
TF_FOR_ALL(nameIt, primVarNames) {
if (not HdChangeTracker::IsPrimVarDirty(*dirtyBits, id, *nameIt))
continue;
// TODO: We don't need to pull primvar metadata every time a value
// changes, but we need support from the delegate.
//assert name not in range.bufferArray.GetResources()
VtValue value = delegate->Get(id, *nameIt);
if (!value.IsEmpty()) {
// Store where the points will be stored in the source array
// we need this later to figure out if the number of points is changing
// and we need to force a garbage collection to resize the buffer
if (*nameIt == HdTokens->points) {
pointsIndexInSourceArray = sources.size();
}
// XXX: do we need special treatment for width as basicCurves?
HdBufferSourceSharedPtr source(new HdVtBufferSource(*nameIt, value));
sources.push_back(source);
}
}
// return before allocation if it's empty.
if (sources.empty())
return;
if (not drawItem->GetVertexPrimVarRange() or
not drawItem->GetVertexPrimVarRange()->IsValid()) {
// initialize buffer array
HdBufferSpecVector bufferSpecs;
TF_FOR_ALL(it, sources) {
(*it)->AddBufferSpecs(&bufferSpecs);
}
bool
SdfPropertySpec::SetDefaultValue(const VtValue &defaultValue)
{
if (defaultValue.IsEmpty()) {
ClearDefaultValue();
return true;
}
if (defaultValue.IsHolding<SdfValueBlock>()) {
return SetField(SdfFieldKeys->Default, defaultValue);
}
TfType valueType = GetValueType();
if (valueType.IsUnknown()) {
TF_CODING_ERROR("Can't set value on attribute <%s> with "
"unknown type \"%s\"",
GetPath().GetText(),
GetTypeName().GetAsToken().GetText());
return false;
}
if (ARCH_UNLIKELY(valueType.GetTypeid() == typeid(void))) {
// valueType may be provided by a plugin that has not been loaded.
// In that case, we cannot get the type info, which is required to cast.
// So we load the plugin in that case.
if (PlugPluginPtr p =
PlugRegistry::GetInstance().GetPluginForType(valueType)) {
p->Load();
}
}
VtValue value = VtValue::CastToTypeid(defaultValue, valueType.GetTypeid());
if (value.IsEmpty()) {
TF_CODING_ERROR("Can't set value on <%s> to %s: "
"expected a value of type \"%s\"",
GetPath().GetText(),
TfStringify(defaultValue).c_str(),
valueType.GetTypeName().c_str());
return false;
}
return SetField(SdfFieldKeys->Default, value);
}
bool
UsdMayaAdaptor::AttributeAdaptor::Get(VtValue* value) const
{
if (!*this) {
return false;
}
VtValue result = UsdMayaWriteUtil::GetVtValue(_plug,
_attrDef->GetTypeName());
if (result.IsEmpty()) {
return false;
}
*value = result;
return true;
}
static
void _SetMayaDictValue(const UsdAttribute& attr, const TfToken& flagName, const T& val)
{
VtValue data = attr.GetCustomDataByKey(_tokens->Maya);
VtDictionary newDict;
if (!data.IsEmpty()) {
if (data.IsHolding<VtDictionary>()) {
newDict = data.UncheckedGet<VtDictionary>();
}
else {
TF_WARN("Expected to get %s on <%s> to be a dictionary.",
_tokens->Maya.GetText(),
attr.GetPath().GetText());
return;
}
}
newDict[flagName] = VtValue(val);
attr.SetCustomDataByKey(_tokens->Maya, VtValue(newDict));
}
void
HdRprim::_PopulateConstantPrimVars(HdSceneDelegate* delegate,
HdDrawItem *drawItem,
HdDirtyBits *dirtyBits)
{
HD_TRACE_FUNCTION();
HF_MALLOC_TAG_FUNCTION();
SdfPath const& id = GetId();
HdRenderIndex &renderIndex = delegate->GetRenderIndex();
HdResourceRegistry *resourceRegistry = &HdResourceRegistry::GetInstance();
// XXX: this should be in a different method
// XXX: This should be in HdSt getting the HdSt Shader
const HdShader *shader = static_cast<const HdShader *>(
renderIndex.GetSprim(HdPrimTypeTokens->shader,
_surfaceShaderID));
if (shader == nullptr) {
shader = static_cast<const HdShader *>(
renderIndex.GetFallbackSprim(HdPrimTypeTokens->shader));
}
_sharedData.surfaceShader = shader->GetShaderCode();
// update uniforms
HdBufferSourceVector sources;
if (HdChangeTracker::IsTransformDirty(*dirtyBits, id)) {
GfMatrix4d transform = delegate->GetTransform(id);
_sharedData.bounds.SetMatrix(transform); // for CPU frustum culling
HdBufferSourceSharedPtr source(new HdVtBufferSource(
HdTokens->transform,
transform));
sources.push_back(source);
source.reset(new HdVtBufferSource(HdTokens->transformInverse,
transform.GetInverse()));
sources.push_back(source);
// if this is a prototype (has instancer),
// also push the instancer transform separately.
if (!_instancerID.IsEmpty()) {
// gather all instancer transforms in the instancing hierarchy
VtMatrix4dArray rootTransforms = _GetInstancerTransforms(delegate);
VtMatrix4dArray rootInverseTransforms(rootTransforms.size());
bool leftHanded = transform.IsLeftHanded();
for (size_t i = 0; i < rootTransforms.size(); ++i) {
rootInverseTransforms[i] = rootTransforms[i].GetInverse();
// flip the handedness if necessary
leftHanded ^= rootTransforms[i].IsLeftHanded();
}
source.reset(new HdVtBufferSource(
HdTokens->instancerTransform,
rootTransforms, /*staticArray=*/true));
sources.push_back(source);
source.reset(new HdVtBufferSource(
HdTokens->instancerTransformInverse,
rootInverseTransforms, /*staticArray=*/true));
sources.push_back(source);
// XXX: It might be worth to consider to have isFlipped
// for non-instanced prims as well. It can improve
// the drawing performance on older-GPUs by reducing
// fragment shader cost, although it needs more GPU memory.
// set as int (GLSL needs 32-bit align for bool)
source.reset(new HdVtBufferSource(
HdTokens->isFlipped, VtValue(int(leftHanded))));
sources.push_back(source);
}
}
if (HdChangeTracker::IsExtentDirty(*dirtyBits, id)) {
_sharedData.bounds.SetRange(GetExtent(delegate));
GfVec3d const & localMin = drawItem->GetBounds().GetBox().GetMin();
HdBufferSourceSharedPtr sourceMin(new HdVtBufferSource(
HdTokens->bboxLocalMin,
VtValue(GfVec4f(
localMin[0],
localMin[1],
localMin[2], 0))));
sources.push_back(sourceMin);
GfVec3d const & localMax = drawItem->GetBounds().GetBox().GetMax();
HdBufferSourceSharedPtr sourceMax(new HdVtBufferSource(
HdTokens->bboxLocalMax,
VtValue(GfVec4f(
localMax[0],
localMax[1],
localMax[2], 0))));
sources.push_back(sourceMax);
}
if (HdChangeTracker::IsPrimIdDirty(*dirtyBits, id)) {
GfVec4f primIdColor;
int32_t primId = GetPrimId();
HdBufferSourceSharedPtr source(new HdVtBufferSource(
HdTokens->primID,
VtValue(primId)));
sources.push_back(source);
}
if (HdChangeTracker::IsAnyPrimVarDirty(*dirtyBits, id)) {
TfTokenVector primVarNames = delegate->GetPrimVarConstantNames(id);
sources.reserve(sources.size()+primVarNames.size());
TF_FOR_ALL(nameIt, primVarNames) {
if (HdChangeTracker::IsPrimVarDirty(*dirtyBits, id, *nameIt)) {
VtValue value = delegate->Get(id, *nameIt);
// XXX Hydra doesn't support string primvar yet
if (value.IsHolding<std::string>()) continue;
if (!value.IsEmpty()) {
HdBufferSourceSharedPtr source(
new HdVtBufferSource(*nameIt, value));
// if it's an unacceptable type, skip it (e.g. std::string)
if (source->GetNumComponents() > 0) {
sources.push_back(source);
}
}
}
}
}
static void testValue() {
{
// Test that we can create values holding non-streamable types.
_NotStreamable n;
VtValue v(n);
VtValue copy = v;
copy = n;
}
{
// Test that we can store non-default-constructible objects in VtValue.
_NotDefaultConstructible n(123);
VtValue v(n);
VtValue copy = v;
copy = n;
}
{
VtValue v(Vt_TestEnumVal1);
TF_AXIOM(TfStringify(v) == "Vt_TestEnumVal1");
v = Vt_TestEnumVal2;
TF_AXIOM(TfStringify(v) == "Vt_TestEnumVal2");
}
{
// Test that floating-point values stream as expected.
TF_AXIOM(TfStringify(VtValue(0.0)) == "0");
TF_AXIOM(TfStringify(VtValue(3.14159)) == "3.14159");
TF_AXIOM(TfStringify(VtValue(0.1)) == "0.1");
TF_AXIOM(TfStringify(VtValue(-0.000001)) == "-0.000001");
TF_AXIOM(TfStringify(
VtValue(std::numeric_limits<double>::infinity())) == "inf");
TF_AXIOM(TfStringify(
VtValue(-std::numeric_limits<double>::infinity())) == "-inf");
TF_AXIOM(TfStringify(VtValue(0.0f)) == "0");
TF_AXIOM(TfStringify(VtValue(3.14159f)) == "3.14159");
TF_AXIOM(TfStringify(VtValue(0.1f)) == "0.1");
TF_AXIOM(TfStringify(VtValue(-0.000001f)) == "-0.000001");
TF_AXIOM(TfStringify(
VtValue(std::numeric_limits<float>::infinity())) == "inf");
TF_AXIOM(TfStringify(
VtValue(-std::numeric_limits<float>::infinity())) == "-inf");
}
VtValue v(1.234);
if (!v.IsHolding<double>())
die("IsHolding");
if (v.Get<double>() != 1.234)
die("Get");
if (v.GetTypeid() != typeid(double))
die("GetTypeid");
if (v.GetType() != TfType::Find<double>())
die("GetType for unregistered type");
if (v.GetElementTypeid() != typeid(void))
die("GetElementTypeid for non-shaped type");
v = VtValue("hello world");
if (v.GetElementTypeid() != typeid(void))
die("GetElementTypeid for non-shaped, non-stack-held type");
if (v.IsArrayValued())
die("IsArrayValued for non-array type");
// Now test with shaped case.
v = VtValue(VtDoubleArray(9));
if (v.GetElementTypeid() != typeid(double))
die("GetElementTypeid");
// Test casts...
v = VtValue(2.345);
if (!v.CanCast<double>())
die("CanCast to same type");
if (v != VtValue::Cast<double>(v))
die("Cast to same type");
v = VtValue(2.345);
if (!v.CanCast<int>())
die("CanCast double to int");
if (v.Cast<int>() != 2)
die("Cast double to int");
v = VtValue(2.345);
if (!v.CanCast<short>())
die("CanCast double to short");
if (v.Cast<short>() != short(2))
die("Cast double to short");
v = VtValue(1.25);
if (!v.CanCast<float>())
die("CanCast double to float");
if (v.Cast<float>() != 1.25f)
die("Cast double to float");
v = VtValue(1.25);
if (v.CanCast<GfVec3d>())
die("CanCast double to Vec3d");
if (!v.Cast<GfVec3d>().IsEmpty())
die("Cast to Vec3d type is not empty");
v = VtValue(1.25);
if (!v.CanCastToTypeOf(v))
die("CanCast to same type");
if (v.CastToTypeOf(v).Get<double>() != 1.25)
die("Casting to same type got wrong value");
v = VtValue(1.25);
VtValue v2 = VtValue(3);
if (!v.CanCastToTypeOf(v2))
die("CanCast to type of another value");
if (v2.CastToTypeOf(v).Get<double>() != 3.0)
die("Could not cast to type of another value");
v = VtValue(1.25);
v2 = VtValue(3);
if (!v.CanCastToTypeOf(v2))
die("CanCast to type of another value");
if (VtValue::CastToTypeOf(v2, v).Get<double>() != 3.0)
die("Could not cast to type of another value");
v = VtValue(1.25);
if (!v.CanCastToTypeid(typeid(double)))
die("CanCast to typeid of same type");
if (!v.CanCastToTypeid(typeid(int)))
die("CanCast double to typeid of int");
if (v.CanCastToTypeid(typeid(GfVec3d)))
die("CanCast double to typeid of GfVec3d");
// Check that too large doubles cast to float infinities
v = VtValue(1e50);
if (!v.CanCast<float>())
die("CanCast of too large double to float");
if (v.Cast<float>() != std::numeric_limits<float>::infinity())
die("Cast of too large double to float is not +inf");
v = VtValue(-1e50);
if (!v.CanCast<float>())
die("CanCast of too small double to float");
if (v.Cast<float>() != -std::numeric_limits<float>::infinity())
die("Cast of too small double to float is not -inf");
// Check that double infinities cast to float infinities
v = VtValue(std::numeric_limits<double>::infinity());
if (!v.CanCast<float>())
die("CanCast of double +inf to float");
if (v.Cast<float>() != std::numeric_limits<float>::infinity())
die("Cast of double +inf to float is not +inf");
v = VtValue(-std::numeric_limits<double>::infinity());
if (!v.CanCast<float>())
die("CanCast of double -inf to float");
if (v.Cast<float>() != -std::numeric_limits<float>::infinity())
die("Cast of double -inf to float is not -inf");
// Check that float infinities cast to double infinities
v = VtValue(std::numeric_limits<float>::infinity());
if (!v.CanCast<double>())
die("CanCast of float +inf to double");
if (v.Cast<double>() != std::numeric_limits<double>::infinity())
die("Cast of float +inf to double is not +inf");
v = VtValue(-std::numeric_limits<float>::infinity());
if (!v.CanCast<double>())
die("CanCast of float -inf to double");
if (v.Cast<double>() != -std::numeric_limits<double>::infinity())
die("Cast of float -inf to double is not -inf");
// Check that really large long long casts to double
v = VtValue(1000000000000000000ll);
if (!v.CanCast<double>())
die("CanCast of really large long long to double");
if (v.Cast<double>() != 1e+18)
die("Cast of really large long long to double");
// Check that really large long long casts to float
v = VtValue(1000000000000000000ll);
if (!v.CanCast<float>())
die("CanCast of really large long long to float");
if (v.Cast<float>() != 1e+18f)
die("Cast of really large long long to float");
// Check that really large long long casts to GfHalf infinity
v = VtValue(1000000000000000000ll);
if (!v.CanCast<GfHalf>())
die("CanCast of really large long long to GfHalf");
if (v.Cast<GfHalf>() != std::numeric_limits<GfHalf>::infinity())
die("Cast of really large long long to GfHalf is not +inf");
// Check that really small long long casts to minus GfHalf infinity
v = VtValue(-1000000000000000000ll);
if (!v.CanCast<GfHalf>())
die("CanCast of really small long long to GfHalf");
if (v.Cast<GfHalf>() != -std::numeric_limits<GfHalf>::infinity())
die("Cast of really small long long to GfHalf is not -inf");
// Check that too large unsigned short casts to GfHalf infinity
v = VtValue((unsigned short)65535);
if (!v.CanCast<GfHalf>())
die("CanCast of too large unsigned short to GfHalf");
if (v.Cast<GfHalf>() != std::numeric_limits<GfHalf>::infinity())
die("Cast of too large unsigned short to GfHalf is not +inf");
// Some sanity checks
v = VtValue((int)0);
if (!v.CanCast<double>())
die("CanCast of integer zero to double");
if (v.Cast<double>() != 0.0)
die("Cast of integer zero to double not zero");
v = VtValue((int)-1);
if (!v.CanCast<double>())
die("CanCast of integer -1 to double");
if (v.Cast<double>() != -1.0)
die("Cast of integer -1 to double not -1");
v = VtValue((int)+1);
if (!v.CanCast<double>())
die("CanCast of integer one to double");
if (v.Cast<double>() != +1.0)
die("Cast of integer one to double not one");
// Range-checked casts.
v = VtValue(std::numeric_limits<short>::max());
v.Cast<short>();
TF_AXIOM(v.IsHolding<short>() &&
v.UncheckedGet<short>() == std::numeric_limits<short>::max());
// Out-of-range should fail.
v = VtValue(std::numeric_limits<int>::max());
v.Cast<short>();
TF_AXIOM(v.IsEmpty());
v = VtValue(std::numeric_limits<unsigned int>::max());
v.Cast<int>();
TF_AXIOM(v.IsEmpty());
// expected to succeed
_TestVecCast<GfVec2h>(GfVec2i(1, 2));
_TestVecCast<GfVec2f>(GfVec2i(1, 2));
_TestVecCast<GfVec2d>(GfVec2i(1, 2));
_TestVecCast<GfVec2f>(GfVec2h(1, 2));
_TestVecCast<GfVec2d>(GfVec2h(1, 2));
_TestVecCast<GfVec2d>(GfVec2f(1, 2));
_TestVecCast<GfVec2h>(GfVec2f(1, 2));
_TestVecCast<GfVec2h>(GfVec2d(1, 2));
_TestVecCast<GfVec2f>(GfVec2d(1, 2));
_TestVecCast<GfVec3h>(GfVec3i(1, 2, 3));
_TestVecCast<GfVec3f>(GfVec3i(1, 2, 3));
_TestVecCast<GfVec3d>(GfVec3i(1, 2, 3));
_TestVecCast<GfVec3f>(GfVec3h(1, 2, 3));
_TestVecCast<GfVec3d>(GfVec3h(1, 2, 3));
_TestVecCast<GfVec3d>(GfVec3f(1, 2, 3));
_TestVecCast<GfVec3h>(GfVec3f(1, 2, 3));
_TestVecCast<GfVec3h>(GfVec3d(1, 2, 3));
_TestVecCast<GfVec3f>(GfVec3d(1, 2, 3));
_TestVecCast<GfVec4h>(GfVec4i(1, 2, 3, 4));
_TestVecCast<GfVec4f>(GfVec4i(1, 2, 3, 4));
_TestVecCast<GfVec4d>(GfVec4i(1, 2, 3, 4));
_TestVecCast<GfVec4f>(GfVec4h(1, 2, 3, 4));
_TestVecCast<GfVec4d>(GfVec4h(1, 2, 3, 4));
_TestVecCast<GfVec4d>(GfVec4f(1, 2, 3, 4));
_TestVecCast<GfVec4h>(GfVec4f(1, 2, 3, 4));
_TestVecCast<GfVec4h>(GfVec4d(1, 2, 3, 4));
_TestVecCast<GfVec4f>(GfVec4d(1, 2, 3, 4));
_FailVecCast<GfVec4i>(GfVec4h(1, 2, 3, 4));
_FailVecCast<GfVec4i>(GfVec4f(1, 2, 3, 4));
_FailVecCast<GfVec4i>(GfVec4d(1, 2, 3, 4));
_FailVecCast<GfVec3i>(GfVec3h(1, 2, 3));
_FailVecCast<GfVec3i>(GfVec3f(1, 2, 3));
_FailVecCast<GfVec3i>(GfVec3d(1, 2, 3));
_FailVecCast<GfVec2i>(GfVec2h(1, 2));
_FailVecCast<GfVec2i>(GfVec2f(1, 2));
_FailVecCast<GfVec2i>(GfVec2d(1, 2));
// Equality special cases.
v = VtValue();
v2 = VtValue();
if (!(v == v2))
die("comparison with empty");
v = VtValue(1.234);
if (v == v2)
die("comparison with empty");
v2 = VtValue("hello");
if (v == v2)
die("comparison of mismatched types");
v = VtValue(1234.0);
v2 = VtValue(1234);
if (v == v2)
die("comparison of mismatched stack-held types");
// Coverage
v = VtValue();
if (v.IsArrayValued())
die("IsArrayValued for empty value");
v = VtValue(1.234);
if (v.IsArrayValued())
die("scalar value reports it is shaped");
v = VtValue(VtDoubleArray());
if (!v.IsArrayValued())
die("array value reports it is not an array");
// Streaming...
VtDictionary d;
d["foo"] = 1.234;
d["bar"] = "baz";
vector<VtValue> vals;
vals.push_back(VtValue(1.234));
vals.push_back(VtValue("hello world"));
std::ostringstream stream;
stream << VtValue(d);
if (stream.str().empty())
die("couldn't stream value holding dictionary.");
std::ostringstream stream2;
stream2 << VtValue(vals);
if (stream2.str().empty())
die("couldn't stream value holding vector of values.");
// Default stuff...
TF_AXIOM(VtDictionaryGet<double>(d, "foo", VtDefault = 0) == 1.234);
TF_AXIOM(VtDictionaryGet<double>(d, "noKey", VtDefault = 3.14) == 3.14);
TF_AXIOM(VtDictionaryGet<string>(d, "bar", VtDefault = "hello") == "baz");
TF_AXIOM(VtDictionaryGet<string>(d, "noKey", VtDefault = "bye") == "bye");
// Casting a VtValue holding a TfToken to a string.
{
TfToken token("token");
VtValue val(token);
TF_AXIOM(val.IsHolding<TfToken>());
val.Cast<string>();
TF_AXIOM(val.IsHolding<string>());
TF_AXIOM(val.Get<string>() == "token");
}
// Assignment and equality with string literals.
{
VtValue val;
val = "hello";
TF_AXIOM(val.IsHolding<string>());
TF_AXIOM(val.Get<string>() == "hello");
TF_AXIOM(val == "hello");
TF_AXIOM("hello" == val);
}
// Equality
{
double d = 1.234, e = 2.71828;
VtValue v(d);
TF_AXIOM(v == d);
TF_AXIOM(d == v);
TF_AXIOM(v != e);
TF_AXIOM(e != v);
}
// IsHolding<VtValue>
{
VtValue v(1.234);
TF_AXIOM(v.IsHolding<double>());
TF_AXIOM(v.IsHolding<VtValue>());
}
// Shapeliness and other stuff with non-stack-held arrays.
{
VtVec2iArray a(2), b(3);
VtValue v(a);
VtValue vclone(v);
TF_AXIOM(v.Get<VtVec2iArray>().size() == 2);
v = b;
TF_AXIOM(v.Get<VtVec2iArray>().size() == 3);
TF_AXIOM(v.IsArrayValued());
TF_AXIOM(v.GetElementTypeid() == typeid(GfVec2i));
TF_AXIOM(vclone.Get<VtVec2iArray>().size() == 2);
}
// Precision-casting of VtArrays
{
// only testing float <-> double... compound Vec types should
// be the same
VtFloatArray fa(3), fRoundTripped;
VtDoubleArray da;
fa[0] = 1.23456567;
fa[1] = 4.63256635;
fa[2] = 123443634.432;
VtValue v(fa);
v.Cast<VtDoubleArray>();
TF_AXIOM(v.IsHolding<VtDoubleArray>());
da = v.UncheckedGet<VtDoubleArray>();
VtValue vv(da);
vv.Cast<VtFloatArray>();
TF_AXIOM(vv.IsHolding<VtFloatArray>());
fRoundTripped = vv.UncheckedGet<VtFloatArray>();
// verify they compare euqal, but are physically two different arrays
TF_AXIOM(fRoundTripped == fa);
TF_AXIOM(!fRoundTripped.IsIdentical(fa));
}
// Test swapping VtValues holding dictionaries.
{
VtValue a, b;
VtDictionary d1, d2;
d1["foo"] = "bar";
d2["bar"] = "foo";
a = d1;
b = d2;
a.Swap(b);
TF_AXIOM(a.Get<VtDictionary>().count("bar"));
TF_AXIOM(b.Get<VtDictionary>().count("foo"));
}
// Test creating VtValues by taking contents of objects, and destructively
// removing contents from objects.
{
string s("hello world!");
VtValue v = VtValue::Take(s);
TF_AXIOM(s.empty());
TF_AXIOM(v.IsHolding<string>());
TF_AXIOM(v.UncheckedGet<string>() == "hello world!");
v.Swap(s);
TF_AXIOM(v.IsHolding<string>());
TF_AXIOM(v.UncheckedGet<string>().empty());
TF_AXIOM(s == "hello world!");
v.Swap(s);
TF_AXIOM(v.IsHolding<string>() &&
v.UncheckedGet<string>() == "hello world!");
string t = v.Remove<string>();
TF_AXIOM(t == "hello world!");
TF_AXIOM(v.IsEmpty());
v.Swap(t);
TF_AXIOM(t.empty());
TF_AXIOM(v.IsHolding<string>() &&
v.UncheckedGet<string>() == "hello world!");
t = v.UncheckedRemove<string>();
TF_AXIOM(t == "hello world!");
TF_AXIOM(v.IsEmpty());
}
// Test calling Get with incorrect type. Should issue an error and produce
// some "default" value.
{
VtValue empty;
TfErrorMark m;
TF_AXIOM(empty.Get<bool>() == false);
TF_AXIOM(!m.IsClean());
}
{
VtValue d(1.234);
TfErrorMark m;
TF_AXIOM(d.Get<double>() == 1.234);
TF_AXIOM(m.IsClean());
m.SetMark();
TF_AXIOM(d.Get<int>() == 0);
TF_AXIOM(!m.IsClean());
m.SetMark();
TF_AXIOM(d.Get<string>() == string());
TF_AXIOM(!m.IsClean());
}
}
GlfGLSLFXConfig::Parameters
GlfGLSLFXConfig::_GetParameters(VtDictionary const & dict,
string *errorStr) const
{
Parameters ret;
VtValue params;
// look for the params section
if (!TfMapLookup(dict, _tokens->parameters, ¶ms)) {
return ret;
}
// verify that it holds a VtDictionary
if (!params.IsHolding<VtDictionary>()) {
*errorStr = TfStringPrintf("%s declaration expects a dictionary value",
_tokens->parameters.GetText());
return ret;
}
// look for the parameterOrder section:
vector<string> paramOrder;
VtValue paramOrderAny;
TfMapLookup(dict, _tokens->parameterOrder, ¶mOrderAny);
if (!paramOrderAny.IsEmpty()) {
// verify the type
if (!paramOrderAny.IsHolding<vector<VtValue> >()) {
*errorStr =
TfStringPrintf("%s declaration expects a list of strings",
_tokens->parameterOrder.GetText());
return ret;
}
const vector<VtValue>& paramOrderList =
paramOrderAny.UncheckedGet<vector<VtValue> >();
TF_FOR_ALL(paramIt, paramOrderList) {
const VtValue& val = *paramIt;
// verify that this value is a string
if (!val.IsHolding<string>()) {
*errorStr = TfStringPrintf("%s declaration expects a list of "
"strings",
_tokens->parameterOrder.GetText());
return ret;
}
const string& paramName = val.UncheckedGet<string>();
if (std::find(paramOrder.begin(), paramOrder.end(), paramName) ==
paramOrder.end()) {
paramOrder.push_back(paramName);
}
}
}
const VtDictionary& paramsDict = params.UncheckedGet<VtDictionary>();
// pre-process the paramsDict in order to get the merged ordering
TF_FOR_ALL(it, paramsDict) {
string paramName = it->first;
if (std::find(paramOrder.begin(), paramOrder.end(), paramName) ==
paramOrder.end()) {
paramOrder.push_back(paramName);
}
}
void
HdxRenderTask::_Execute(HdTaskContext* ctx)
{
HD_TRACE_FUNCTION();
HD_MALLOC_TAG_FUNCTION();
HdRenderPassStateSharedPtr renderPassState;
if (_setupTask) {
// if _setupTask exists (for backward compatibility), use it
renderPassState = _setupTask->GetRenderPassState();
} else {
// otherwise, extract from TaskContext
_GetTaskContextData(ctx, HdxTokens->renderPassState, &renderPassState);
}
if (not TF_VERIFY(renderPassState)) return;
// Can't use GetTaskContextData because the lightingShader
// is optional.
VtValue lightingShader = (*ctx)[HdTokens->lightingShader];
// it's possible to not set lighting shader to HdRenderPassState.
// Hd_DefaultLightingShader will be used in that case.
if (lightingShader.IsHolding<HdLightingShaderSharedPtr>()) {
renderPassState->SetLightingShader(
lightingShader.Get<HdLightingShaderSharedPtr>());
}
// Selection Setup
// Note that selectionTask comes after renderTask, so that
// it can access rprimIDs populated in RenderTask::_Sync.
VtValue vo = (*ctx)[HdxTokens->selectionOffsets];
VtValue vu = (*ctx)[HdxTokens->selectionUniforms];
HdRenderPassShaderSharedPtr renderPassShader
= renderPassState->GetRenderPassShader();
if (not vo.IsEmpty() and not vu.IsEmpty()) {
HdBufferArrayRangeSharedPtr obar
= vo.Get<HdBufferArrayRangeSharedPtr>();
HdBufferArrayRangeSharedPtr ubar
= vu.Get<HdBufferArrayRangeSharedPtr>();
renderPassShader->AddBufferBinding(
HdBindingRequest(HdBinding::SSBO,
HdxTokens->selectionOffsets, obar,
/*interleave*/false));
renderPassShader->AddBufferBinding(
HdBindingRequest(HdBinding::UBO,
HdxTokens->selectionUniforms, ubar,
/*interleave*/true));
} else {
renderPassShader->RemoveBufferBinding(HdxTokens->selectionOffsets);
renderPassShader->RemoveBufferBinding(HdxTokens->selectionUniforms);
}
renderPassState->Bind();
// execute all render passes.
TF_FOR_ALL(it, _passes) {
(*it)->Execute(renderPassState);
}