Function TEST_F

tests/unit/debug_printf_ray_tracing.cpp:47–95

};

TEST_F(NegativeDebugPrintfRayTracing, Raygen) {
    TEST_DESCRIPTION("Test debug printf in raygen shader.");
    SetTargetApiVersion(VK_API_VERSION_1_2);
    AddRequiredExtensions(VK_KHR_RAY_TRACING_PIPELINE_EXTENSION_NAME);
    AddRequiredFeature(vkt::Feature::rayTracingPipeline);
    AddRequiredFeature(vkt::Feature::accelerationStructure);
    AddRequiredFeature(vkt::Feature::bufferDeviceAddress);
    RETURN_IF_SKIP(InitDebugPrintfFramework());
    RETURN_IF_SKIP(InitState());

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

    const char* ray_gen = R"glsl(
        #version 460
        #extension GL_EXT_ray_tracing : require
        #extension GL_EXT_debug_printf : enable
        layout(binding = 0, set = 0) uniform accelerationStructureEXT tlas;
        layout(location = 0) rayPayloadEXT vec3 hit;

        void main() {
            debugPrintfEXT("In Raygen\n");
            traceRayEXT(tlas, gl_RayFlagsOpaqueEXT, 0xff, 0, 0, 0, vec3(0,0,1), 0.1, vec3(0,0,1), 1000.0, 0);
        }
    )glsl";
    pipeline.SetGlslRayGenShader(ray_gen);

    pipeline.AddGlslMissShader(kRayTracingPayloadMinimalGlsl);
    pipeline.AddGlslClosestHitShader(kRayTracingPayloadMinimalGlsl);

    pipeline.AddBinding(VK_DESCRIPTOR_TYPE_ACCELERATION_STRUCTURE_KHR, 0);
    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());
    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->SetDesiredInfo("In Raygen");
    m_default_queue->SubmitAndWait(m_command_buffer);
    m_errorMonitor->VerifyFound();
}

TEST_F(NegativeDebugPrintfRayTracing, RaygenShaderRecord) {
    TEST_DESCRIPTION("Test debug printf in raygen shader. Use shader records.");