Function TEST_F

tests/unit/gpu_av_ray_query.cpp:26–76

class NegativeGpuAVRayQuery : public GpuAVRayQueryTest {};

TEST_F(NegativeGpuAVRayQuery, NegativeTmin) {
    TEST_DESCRIPTION("Ray query with a negative value for Ray TMin");
    RETURN_IF_SKIP(InitGpuAVRayQuery());

    const char* shader_source = R"glsl(
        #version 460
        #extension GL_EXT_ray_query : require

        layout(set = 0, binding = 0) uniform accelerationStructureEXT tlas;
        layout(set = 0, binding = 1) uniform Uniforms {
          float t_min;
          float t_max;
        } trace_rays_params;

        void main() {
            rayQueryEXT query;
            rayQueryInitializeEXT(query, tlas, gl_RayFlagsTerminateOnFirstHitEXT, 0xff, vec3(0),
              trace_rays_params.t_min, vec3(0,0,1), trace_rays_params.t_max);
            rayQueryProceedEXT(query);
        }
    )glsl";

    CreateComputePipelineHelper pipeline(*this);
    pipeline.cs_ = VkShaderObj(*m_device, shader_source, VK_SHADER_STAGE_COMPUTE_BIT, SPV_ENV_VULKAN_1_2);
    pipeline.dsl_bindings_ = {{0, VK_DESCRIPTOR_TYPE_ACCELERATION_STRUCTURE_KHR, 1, VK_SHADER_STAGE_COMPUTE_BIT, nullptr},
                              {1, VK_DESCRIPTOR_TYPE_UNIFORM_BUFFER, 1, VK_SHADER_STAGE_COMPUTE_BIT, nullptr}};
    pipeline.CreateComputePipeline();

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

    vkt::Buffer uniform_buffer(*m_device, 4096, VK_BUFFER_USAGE_UNIFORM_BUFFER_BIT, kHostVisibleMemProps);
    pipeline.descriptor_set_.WriteDescriptorBufferInfo(1, uniform_buffer, 0, VK_WHOLE_SIZE);
    pipeline.descriptor_set_.UpdateDescriptorSets();

    auto uniform_buffer_ptr = static_cast<float*>(uniform_buffer.Memory().Map());
    uniform_buffer_ptr[0] = -2.0f;  // t_min
    uniform_buffer_ptr[1] = 42.0f;  // t_max

    m_command_buffer.Begin();
    vk::CmdBindPipeline(m_command_buffer, VK_PIPELINE_BIND_POINT_COMPUTE, pipeline);
    vk::CmdBindDescriptorSets(m_command_buffer, VK_PIPELINE_BIND_POINT_COMPUTE, pipeline.pipeline_layout_, 0, 1,
                              &pipeline.descriptor_set_.set_, 0, nullptr);
    vk::CmdDispatch(m_command_buffer, 1, 1, 1);
    m_command_buffer.End();

    m_errorMonitor->SetDesiredError("VUID-RuntimeSpirv-OpRayQueryInitializeKHR-06349");
    m_default_queue->Submit(m_command_buffer);
    m_device->Wait();
    m_errorMonitor->VerifyFound();
}

TEST_F(NegativeGpuAVRayQuery, TMaxLessThenTmin) {
    TEST_DESCRIPTION("Ray query with a Ray TMax less than Ray TMin");