Function TEST_F

tests/unit/gpu_av_ray_hit_object.cpp:24–77

class NegativeGpuAVRayHitObject : public GpuAVRayHitObjectTest {};

TEST_F(NegativeGpuAVRayHitObject, NegativeTmin) {
    TEST_DESCRIPTION("hitObjectTraceRayEXT with negative tmin");
    RETURN_IF_SKIP(InitHitObjectTest());

    vkt::rt::Pipeline pipeline(*this, m_device);

    const char* ray_gen = R"glsl(
        #version 460
        #extension GL_EXT_ray_tracing : require
        #extension GL_EXT_shader_invocation_reorder : require
        layout(binding = 0, set = 0) uniform accelerationStructureEXT tlas;
        layout(binding = 1, set = 0) uniform Params { float tmin; } params;
        layout(location = 0) rayPayloadEXT vec3 payload;
        layout(location = 0) hitObjectAttributeEXT vec2 attr;

        void main() {
            hitObjectEXT hObj;
            hitObjectTraceRayEXT(hObj, tlas, gl_RayFlagsOpaqueEXT, 0xff, 0, 0, 0,
                                 vec3(0,0,0), params.tmin, vec3(0,0,1), 100.0, 0);
        }
    )glsl";
    pipeline.SetGlslRayGenShader(ray_gen);
    pipeline.AddGlslMissShader(kRayTracingPayloadMinimalGlsl);
    pipeline.AddGlslClosestHitShader(kRayTracingPayloadMinimalGlsl);

    pipeline.AddBinding(VK_DESCRIPTOR_TYPE_ACCELERATION_STRUCTURE_KHR, 0);
    pipeline.AddBinding(VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 1);
    pipeline.CreateDescriptorSet();

    vkt::as::BuildGeometryInfoKHR tlas(vkt::as::blueprint::BuildOnDeviceTopLevel(*m_device, *m_default_queue, m_command_buffer));
    pipeline.GetDescriptorSet().WriteDescriptorAccelStruct(0, 1, &tlas.GetDstAS()->handle());

    vkt::Buffer uniform_buffer(*m_device, 4096, VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT, kHostVisibleMemProps);
    auto* ptr = static_cast<float*>(uniform_buffer.Memory().Map());
    ptr[0] = -1.0f;  // negative tmin
    pipeline.GetDescriptorSet().WriteDescriptorBufferInfo(1, uniform_buffer, 0, VK_WHOLE_SIZE);
    pipeline.GetDescriptorSet().UpdateDescriptorSets();

    pipeline.Build();

    m_command_buffer.Begin();
    vk::CmdBindDescriptorSets(m_command_buffer, VK_PIPELINE_BIND_POINT_RAY_TRACING_KHR, pipeline.GetPipelineLayout(), 0, 1,
                              &pipeline.GetDescriptorSet().set_, 0, nullptr);
    vk::CmdBindPipeline(m_command_buffer, VK_PIPELINE_BIND_POINT_RAY_TRACING_KHR, pipeline);
    vkt::rt::TraceRaysSbt trace_rays_sbt = pipeline.GetTraceRaysSbt();
    vk::CmdTraceRaysKHR(m_command_buffer, &trace_rays_sbt.ray_gen_sbt, &trace_rays_sbt.miss_sbt, &trace_rays_sbt.hit_sbt,
                        &trace_rays_sbt.callable_sbt, 1, 1, 1);
    m_command_buffer.End();

    m_errorMonitor->SetDesiredError("VUID-RuntimeSpirv-OpHitObjectTraceRayEXT-11879");
    m_default_queue->Submit(m_command_buffer);
    m_device->Wait();
    m_errorMonitor->VerifyFound();
}

TEST_F(NegativeGpuAVRayHitObject, TmaxLessThanTmin) {
    TEST_DESCRIPTION("hitObjectTraceRayEXT with tmax < tmin");