initialize_descriptors()

void MayaFlux::Buffers::RenderProcessor::initialize_descriptors ( const std::shared_ptr< VKBuffer > &  buffer )

overrideprotectedvirtual

Implements MayaFlux::Buffers::ShaderProcessor.

Definition at line 211 of file RenderProcessor.cpp.

{
    if (m_pipeline_id == Portal::Graphics::INVALID_RENDER_PIPELINE) {
        MF_ERROR(Journal::Component::Buffers, Journal::Context::BufferProcessing,
            "Cannot allocate descriptor sets without pipeline");
        return;
    }
 
    on_before_descriptors_create();
 
    auto& flow = Portal::Graphics::get_render_flow();
 
    m_descriptor_set_ids = flow.allocate_pipeline_descriptors(m_pipeline_id);
 
    if (m_descriptor_set_ids.empty()) {
        MF_ERROR(Journal::Component::Buffers, Journal::Context::BufferProcessing,
            "Failed to allocate descriptor sets for pipeline");
        return;
    }
 
    for (const auto& [binding, tex_binding] : m_texture_bindings) {
        auto config_it = std::ranges::find_if(m_config.bindings,
            [binding](const auto& pair) {
                return pair.second.binding == binding;
            });
 
        if (config_it == m_config.bindings.end()) {
            MF_RT_ERROR(Journal::Component::Buffers, Journal::Context::BufferProcessing,
                "No config for binding {}", binding);
            continue;
        }
        uint32_t set_index = config_it->second.set;
 
        if (set_index >= m_descriptor_set_ids.size()) {
            MF_RT_ERROR(Journal::Component::Buffers, Journal::Context::BufferProcessing,
                "Descriptor set index {} out of range", binding);
            continue;
        }
 
        auto& foundry = Portal::Graphics::get_shader_foundry();
        foundry.update_descriptor_image(
            m_descriptor_set_ids[set_index],
            config_it->second.binding,
            tex_binding.texture->get_image_view(),
            tex_binding.sampler,
            vk::ImageLayout::eShaderReadOnlyOptimal);
    }
 
    MF_DEBUG(Journal::Component::Buffers, Journal::Context::BufferProcessing,
        "Allocated {} descriptor sets and updated {} texture bindings",
        m_descriptor_set_ids.size(), m_texture_bindings.size());
 
    update_descriptors(buffer);
    on_descriptors_created();
}

References MayaFlux::Buffers::ShaderConfig::bindings, MayaFlux::Journal::BufferProcessing, MayaFlux::Journal::Buffers, MayaFlux::Portal::Graphics::get_render_flow(), MayaFlux::Portal::Graphics::get_shader_foundry(), MayaFlux::Portal::Graphics::INVALID_RENDER_PIPELINE, MayaFlux::Buffers::ShaderProcessor::m_config, MayaFlux::Buffers::ShaderProcessor::m_descriptor_set_ids, m_pipeline_id, m_texture_bindings, MF_DEBUG, MF_ERROR, MF_RT_ERROR, MayaFlux::Buffers::ShaderProcessor::on_before_descriptors_create(), MayaFlux::Buffers::ShaderProcessor::on_descriptors_created(), and MayaFlux::Buffers::ShaderProcessor::update_descriptors().

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