begin_secondary_commands()

CommandBufferID MayaFlux::Portal::Graphics::ShaderFoundry::begin_secondary_commands	(	vk::Format	color_format,
		vk::Format	depth_format = vk::Format::eUndefined
	)

Begin recording a secondary command buffer for dynamic rendering.

Parameters

color_format

Format of the color attachment (from swapchain)

Returns

Command buffer ID

With dynamic rendering, secondary buffers don't need render pass objects. They only need to know the attachment formats they'll render to.

Definition at line 817 of file ShaderFoundry.cpp.

{
    auto& cmd_manager = m_backend->get_command_manager();
 
    CommandBufferID id = m_next_command_id++;
 
    vk::CommandBuffer cmd = cmd_manager.allocate_command_buffer(vk::CommandBufferLevel::eSecondary);
 
    vk::CommandBufferInheritanceRenderingInfo inheritance_rendering;
    inheritance_rendering.colorAttachmentCount = 1;
    inheritance_rendering.pColorAttachmentFormats = &color_format;
    inheritance_rendering.depthAttachmentFormat = depth_format;
    inheritance_rendering.rasterizationSamples = vk::SampleCountFlagBits::e1;
 
    vk::CommandBufferInheritanceInfo inheritance_info;
    inheritance_info.pNext = &inheritance_rendering;
 
    vk::CommandBufferBeginInfo begin_info;
    begin_info.flags = vk::CommandBufferUsageFlagBits::eRenderPassContinue | vk::CommandBufferUsageFlagBits::eOneTimeSubmit;
    begin_info.pInheritanceInfo = &inheritance_info;
 
    cmd.begin(begin_info);
 
    CommandBufferState& state = m_command_buffers[id];
    state.cmd = cmd;
    state.type = CommandBufferType::GRAPHICS;
    state.level = CommandBufferLevel::SECONDARY;
    state.is_active = true;
 
    return id;
}

References cmd, MayaFlux::Portal::Graphics::ShaderFoundry::CommandBufferState::cmd, GRAPHICS, MayaFlux::Portal::Graphics::ShaderFoundry::CommandBufferState::is_active, MayaFlux::Portal::Graphics::ShaderFoundry::CommandBufferState::level, m_backend, m_command_buffers, m_next_command_id, SECONDARY, and MayaFlux::Portal::Graphics::ShaderFoundry::CommandBufferState::type.