setup_rendering()

void MayaFlux::Buffers::TextureBuffer::setup_rendering

(

const RenderConfig &

config

)

Setup rendering with RenderProcessor.

Parameters

config

Rendering configuration

Definition at line 65 of file TextureBuffer.cpp.

{
    if (!user_config.vertex_shader.empty()) {
        m_render_config.vertex_shader = user_config.vertex_shader;
    }
    if (!user_config.fragment_shader.empty()) {
        m_render_config.fragment_shader = user_config.fragment_shader;
    }
    if (!user_config.default_texture_binding.empty()) {
        m_render_config.default_texture_binding = user_config.default_texture_binding;
    }
    if (user_config.topology != Portal::Graphics::PrimitiveTopology::TRIANGLE_STRIP) {
        MF_WARN(Journal::Component::Buffers, Journal::Context::BufferProcessing,
            "TextureBuffer only supports TRIANGLE_STRIP topology. Ignoring provided topology.");
    } else {
        if (user_config.topology != m_render_config.topology) {
            m_render_config.topology = user_config.topology;
        }
    }
    m_render_config.target_window = user_config.target_window;
 
    if (!user_config.additional_textures.empty()) {
        for (const auto& [name, texture] : user_config.additional_textures) {
            m_render_config.additional_textures.emplace_back(name, texture);
        }
    }
 
    if (!m_render_processor) {
        ShaderConfig shader_config { m_render_config.vertex_shader };
        shader_config.bindings[m_render_config.default_texture_binding] = ShaderBinding(
            0, 0, vk::DescriptorType::eCombinedImageSampler);
 
        uint32_t binding_index = 1;
        for (const auto& [name, _] : m_render_config.additional_textures) {
            shader_config.bindings[name] = ShaderBinding(
                0, binding_index++, vk::DescriptorType::eCombinedImageSampler);
        }
 
        m_render_processor = std::make_shared<RenderProcessor>(shader_config);
    }
 
    m_render_processor->set_fragment_shader(m_render_config.fragment_shader);
    m_render_processor->set_target_window(m_render_config.target_window, std::dynamic_pointer_cast<VKBuffer>(shared_from_this()));
    m_render_processor->set_primitive_topology(m_render_config.topology);
 
    m_render_processor->bind_texture(m_render_config.default_texture_binding, get_texture());
 
    for (const auto& [name, texture] : m_render_config.additional_textures) {
        m_render_processor->bind_texture(name, texture);
    }
 
    get_processing_chain()->add_final_processor(m_render_processor, shared_from_this());
}

References MayaFlux::Portal::Graphics::RenderConfig::additional_textures, MayaFlux::Journal::BufferProcessing, MayaFlux::Journal::Buffers, MayaFlux::Portal::Graphics::RenderConfig::default_texture_binding, MayaFlux::Portal::Graphics::RenderConfig::fragment_shader, MayaFlux::Buffers::VKBuffer::get_processing_chain(), get_texture(), MayaFlux::Buffers::VKBuffer::m_render_config, m_render_processor, MF_WARN, MayaFlux::Portal::Graphics::RenderConfig::target_window, MayaFlux::Portal::Graphics::RenderConfig::topology, MayaFlux::Portal::Graphics::TRIANGLE_STRIP, and MayaFlux::Portal::Graphics::RenderConfig::vertex_shader.

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