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/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2022 Blender Foundation. All rights reserved. */
#include "testing/testing.h"
#include "usd_tests_common.h"
#include <pxr/usd/usd/stage.h>
#include <pxr/usd/usdGeom/capsule.h>
#include <pxr/usdImaging/usdImaging/capsuleAdapter.h>
namespace blender::io::usd {
class USDImagingTest : public testing::Test {
};
TEST_F(USDImagingTest, CapsuleAdapterTest)
{
/* A simple test to exercise the UsdImagingGprimAdapter API to
* ensure the code compiles, links and returns reasonable results.
* We create a capsule shape on an in-memory stage and attempt
* to access the shape's points and topology. */
/* We must register USD plugin paths before creating the stage
* to avoid a crash in the USD asset resolver initialization code. */
if (register_usd_plugins_for_tests().empty()) {
FAIL();
return;
}
pxr::UsdStageRefPtr stage = pxr::UsdStage::CreateInMemory();
if (!stage) {
FAIL() << "Couldn't create in-memory stage.";
return;
}
pxr::UsdGeomCapsule capsule = pxr::UsdGeomCapsule::Define(stage, pxr::SdfPath("/Capsule"));
if (!capsule) {
FAIL() << "Couldn't create UsdGeomCapsule.";
return;
}
pxr::UsdImagingCapsuleAdapter capsule_adapter;
pxr::VtValue points_value = capsule_adapter.GetPoints(capsule.GetPrim(),
pxr::UsdTimeCode::Default());
if (!points_value.IsHolding<pxr::VtArray<pxr::GfVec3f>>()) {
FAIL() << "Mesh points value holding unexpected type.";
return;
}
pxr::VtArray<pxr::GfVec3f> points = points_value.Get<pxr::VtArray<pxr::GfVec3f>>();
EXPECT_FALSE(points.empty());
pxr::VtValue topology_value = capsule_adapter.GetTopology(
capsule.GetPrim(), pxr::SdfPath(), pxr::UsdTimeCode::Default());
if (!topology_value.IsHolding<pxr::HdMeshTopology>()) {
FAIL() << "Mesh topology value holding unexpected type.";
return;
}
pxr::HdMeshTopology topology = topology_value.Get<pxr::HdMeshTopology>();
pxr::VtArray<int> vertex_counts = topology.GetFaceVertexCounts();
EXPECT_FALSE(vertex_counts.empty());
pxr::VtArray<int> vertex_indices = topology.GetFaceVertexIndices();
EXPECT_FALSE(vertex_indices.empty());
}
} // namespace blender::io::usd
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