C++ (Cpp) compute_ibl_environment_sampling示例

示例#1

文件： imagebasedlighting.cpp 项目： Lorenz25/appleseed

void compute_ibl(
    SamplingContext&        sampling_context,
    const ShadingContext&   shading_context,
    const EnvironmentEDF&   environment_edf,
    const ShadingPoint&     shading_point,
    const Vector3d&         outgoing,
    const BSDF&             bsdf,
    const void*             bsdf_data,
    const int               bsdf_sampling_modes,
    const int               env_sampling_modes,
    const size_t            bsdf_sample_count,
    const size_t            env_sample_count,
    Spectrum&               radiance)
{
    assert(is_normalized(outgoing));

    // Compute IBL by sampling the BSDF.
    compute_ibl_bsdf_sampling(
        sampling_context,
        shading_context,
        environment_edf,
        shading_point,
        outgoing,
        bsdf,
        bsdf_data,
        bsdf_sampling_modes,
        bsdf_sample_count,
        env_sample_count,
        radiance);

    // Compute IBL by sampling the environment.
    Spectrum radiance_env_sampling;
    compute_ibl_environment_sampling(
        sampling_context,
        shading_context,
        environment_edf,
        shading_point,
        outgoing,
        bsdf,
        bsdf_data,
        env_sampling_modes,
        bsdf_sample_count,
        env_sample_count,
        radiance_env_sampling);
    radiance += radiance_env_sampling;
}

示例#2

文件： imagebasedlighting.cpp 项目： caomw/appleseed

void compute_ibl(
    SamplingContext&        sampling_context,
    const ShadingContext&   shading_context,
    const EnvironmentEDF&   environment_edf,
    const BSSRDF&           bssrdf,
    const void*             bssrdf_data,
    const ShadingPoint&     incoming_point,
    const ShadingPoint&     outgoing_point,
    const Dual3d&           outgoing,
    const size_t            bssrdf_sample_count,
    const size_t            env_sample_count,
    Spectrum&               radiance)
{
    assert(is_normalized(outgoing.get_value()));

    // Compute IBL by sampling the BSSRDF.
    compute_ibl_bssrdf_sampling(
        sampling_context,
        shading_context,
        environment_edf,
        bssrdf,
        bssrdf_data,
        incoming_point,
        outgoing_point,
        outgoing,
        bssrdf_sample_count,
        env_sample_count,
        radiance);

    // Compute IBL by sampling the environment.
    Spectrum radiance_env_sampling;
    compute_ibl_environment_sampling(
        sampling_context,
        shading_context,
        environment_edf,
        bssrdf,
        bssrdf_data,
        incoming_point,
        outgoing_point,
        outgoing,
        bssrdf_sample_count,
        env_sample_count,
        radiance_env_sampling);
    radiance += radiance_env_sampling;
}