tests/unit/ray_tracing_spheres_positive.cpp

/*
 * Copyright (c) 2015-2025 The Khronos Group Inc.
 * Copyright (c) 2015-2025 Valve Corporation
 * Copyright (c) 2015-2025 LunarG, Inc.
 * Copyright (c) 2015-2025 Google, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 */

#include "../framework/layer_validation_tests.h"
#include "../framework/ray_tracing_objects.h"
#include "../framework/feature_requirements.h"

class PositiveRayTracingSpheres : public RayTracingTest {};

TEST_F(PositiveRayTracingSpheres, SpheresHostBuild) {
    TEST_DESCRIPTION("Test Spheres host build for host build");
    SetTargetApiVersion(VK_API_VERSION_1_3);
    AddRequiredFeature(vkt::Feature::bufferDeviceAddress);
    AddRequiredFeature(vkt::Feature::accelerationStructure);
    AddRequiredFeature(vkt::Feature::accelerationStructureHostCommands);
    AddRequiredFeature(vkt::Feature::rayQuery);
    AddRequiredFeature(vkt::Feature::spheres);
    AddRequiredFeature(vkt::Feature::linearSweptSpheres);
    AddRequiredExtensions(VK_NV_RAY_TRACING_LINEAR_SWEPT_SPHERES_EXTENSION_NAME);
    RETURN_IF_SKIP(InitFrameworkForRayTracingTest());
    RETURN_IF_SKIP(InitState());

    auto blas = vkt::as::blueprint::BuildGeometryInfoSimpleOnHostBottomLevel(*m_device, vkt::as::GeometryKHR::Type::Spheres);
    blas.SetUpdateDstAccelStructSizeBeforeBuild(false);
    blas.BuildHost();
}

TEST_F(PositiveRayTracingSpheres, AccelerationStructureGeometrySpheresData) {
    TEST_DESCRIPTION("Test AccelerationStructureGeometrySpheresData structure for device build");
    SetTargetApiVersion(VK_API_VERSION_1_3);
    AddRequiredFeature(vkt::Feature::bufferDeviceAddress);
    AddRequiredFeature(vkt::Feature::accelerationStructure);
    AddRequiredFeature(vkt::Feature::rayQuery);
    AddRequiredFeature(vkt::Feature::spheres);
    AddRequiredFeature(vkt::Feature::linearSweptSpheres);
    AddRequiredExtensions(VK_NV_RAY_TRACING_LINEAR_SWEPT_SPHERES_EXTENSION_NAME);
    RETURN_IF_SKIP(InitFrameworkForRayTracingTest());
    RETURN_IF_SKIP(InitState());

    {
        m_command_buffer.Begin();
        auto blas = vkt::as::blueprint::BuildGeometryInfoSimpleOnDeviceBottomLevel(*m_device, vkt::as::GeometryKHR::Type::Spheres);
        blas.GetGeometries()[0].SetSpheresIndexType(VK_INDEX_TYPE_UINT16);
        blas.SetUpdateDstAccelStructSizeBeforeBuild(false);
        blas.BuildCmdBuffer(m_command_buffer);
        m_command_buffer.End();
    }

    {
        m_command_buffer.Begin();
        auto blas = vkt::as::blueprint::BuildGeometryInfoSimpleOnDeviceBottomLevel(*m_device, vkt::as::GeometryKHR::Type::Spheres);
        blas.GetGeometries()[0].SetSpheresIndexType(VK_INDEX_TYPE_UINT32);
        blas.SetUpdateDstAccelStructSizeBeforeBuild(false);
        blas.BuildCmdBuffer(m_command_buffer);
        m_command_buffer.End();
    }

    {
        m_command_buffer.Begin();
        auto blas = vkt::as::blueprint::BuildGeometryInfoSimpleOnDeviceBottomLevel(*m_device, vkt::as::GeometryKHR::Type::Spheres);
        blas.GetGeometries()[0].SetSpheresIndexType(VK_INDEX_TYPE_NONE_KHR);
        blas.GetGeometries()[0].SetSpheresIndexAddressZero();
        blas.SetUpdateDstAccelStructSizeBeforeBuild(false);
        blas.BuildCmdBuffer(m_command_buffer);
        m_command_buffer.End();
    }

    {
        m_command_buffer.Begin();
        auto blas = vkt::as::blueprint::BuildGeometryInfoSimpleOnDeviceBottomLevel(*m_device, vkt::as::GeometryKHR::Type::Spheres);
        blas.GetGeometries()[0].SetSpheresVertexStride(sizeof(float));
        blas.SetUpdateDstAccelStructSizeBeforeBuild(false);
        blas.BuildCmdBuffer(m_command_buffer);
        m_command_buffer.End();
    }
}

TEST_F(PositiveRayTracingSpheres, LSSpheresHostBuild) {
    TEST_DESCRIPTION("Test Linear Swept Spheres host build");
    SetTargetApiVersion(VK_API_VERSION_1_3);
    AddRequiredFeature(vkt::Feature::bufferDeviceAddress);
    AddRequiredFeature(vkt::Feature::accelerationStructure);
    AddRequiredFeature(vkt::Feature::accelerationStructureHostCommands);
    AddRequiredFeature(vkt::Feature::rayQuery);
    AddRequiredFeature(vkt::Feature::spheres);
    AddRequiredFeature(vkt::Feature::linearSweptSpheres);
    AddRequiredExtensions(VK_NV_RAY_TRACING_LINEAR_SWEPT_SPHERES_EXTENSION_NAME);
    RETURN_IF_SKIP(InitFrameworkForRayTracingTest());
    RETURN_IF_SKIP(InitState());

    auto blas = vkt::as::blueprint::BuildGeometryInfoSimpleOnHostBottomLevel(*m_device, vkt::as::GeometryKHR::Type::LSSpheres);
    blas.SetUpdateDstAccelStructSizeBeforeBuild(false);
    blas.BuildHost();
}

TEST_F(PositiveRayTracingSpheres, AccelerationStructureGeometryLinearSweptSpheresData) {
    TEST_DESCRIPTION("Test AccelerationStructureGeometryLinearSweptSpheresData structure for device build");
    SetTargetApiVersion(VK_API_VERSION_1_3);
    AddRequiredFeature(vkt::Feature::bufferDeviceAddress);
    AddRequiredFeature(vkt::Feature::accelerationStructure);
    AddRequiredFeature(vkt::Feature::rayQuery);
    AddRequiredFeature(vkt::Feature::spheres);
    AddRequiredFeature(vkt::Feature::linearSweptSpheres);
    AddRequiredExtensions(VK_NV_RAY_TRACING_LINEAR_SWEPT_SPHERES_EXTENSION_NAME);
    RETURN_IF_SKIP(InitFrameworkForRayTracingTest());
    RETURN_IF_SKIP(InitState());
    {
        m_command_buffer.Begin();
        auto blas =
            vkt::as::blueprint::BuildGeometryInfoSimpleOnDeviceBottomLevel(*m_device, vkt::as::GeometryKHR::Type::LSSpheres);
        blas.GetGeometries()[0].SetLSSpheresIndexType(VK_INDEX_TYPE_UINT16);
        blas.SetUpdateDstAccelStructSizeBeforeBuild(false);
        blas.BuildCmdBuffer(m_command_buffer);
        m_command_buffer.End();
    }

    {
        m_command_buffer.Begin();
        auto blas =
            vkt::as::blueprint::BuildGeometryInfoSimpleOnDeviceBottomLevel(*m_device, vkt::as::GeometryKHR::Type::LSSpheres);
        blas.GetGeometries()[0].SetLSSpheresIndexType(VK_INDEX_TYPE_UINT32);
        blas.SetUpdateDstAccelStructSizeBeforeBuild(false);
        blas.BuildCmdBuffer(m_command_buffer);
        m_command_buffer.End();
    }

    {
        m_command_buffer.Begin();
        auto blas =
            vkt::as::blueprint::BuildGeometryInfoSimpleOnDeviceBottomLevel(*m_device, vkt::as::GeometryKHR::Type::LSSpheres);
        blas.GetGeometries()[0].SetLSSpheresIndexingMode(VK_RAY_TRACING_LSS_INDEXING_MODE_LIST_NV);
        blas.GetGeometries()[0].SetLSSpheresIndexType(VK_INDEX_TYPE_NONE_KHR);
        blas.GetGeometries()[0].SetLSSpheresIndexAddressZero();
        blas.SetUpdateDstAccelStructSizeBeforeBuild(false);
        blas.BuildCmdBuffer(m_command_buffer);
        m_command_buffer.End();
    }

    {
        m_command_buffer.Begin();
        auto blas =
            vkt::as::blueprint::BuildGeometryInfoSimpleOnDeviceBottomLevel(*m_device, vkt::as::GeometryKHR::Type::LSSpheres);
        blas.GetGeometries()[0].SetLSSpheresVertexStride(sizeof(float));
        blas.SetUpdateDstAccelStructSizeBeforeBuild(false);
        blas.BuildCmdBuffer(m_command_buffer);
        m_command_buffer.End();
    }
}