create_depth_buffer()

std::shared_ptr< Core::VKImage > MayaFlux::Portal::Graphics::TextureLoom::create_depth_buffer	(	uint32_t	width,
		uint32_t	height,
		bool	with_stencil = false
	)

Create a depth buffer.

Parameters

width	Width in pixels
height	Height in pixels
with_stencil	Whether to include stencil component

Returns

Initialized VKImage configured as depth/stencil attachment

Definition at line 244 of file TextureLoom.cpp.

{
    if (!is_initialized()) {
        MF_ERROR(Journal::Component::Portal, Journal::Context::ImageProcessing,
            "TextureLoom not initialized");
        return nullptr;
    }
 
    vk::Format vk_format = with_stencil
        ? vk::Format::eD24UnormS8Uint
        : vk::Format::eD32Sfloat;
 
    auto image = std::make_shared<Core::VKImage>(
        width, height, 1, vk_format,
        Core::VKImage::Usage::DEPTH_STENCIL,
        Core::VKImage::Type::TYPE_2D,
        1, 1, Kakshya::DataModality::IMAGE_2D);
 
    m_resource_manager->initialize_image(image);
 
    if (!image->is_initialized()) {
        MF_ERROR(Journal::Component::Portal, Journal::Context::ImageProcessing,
            "Failed to initialize depth buffer VKImage");
        return nullptr;
    }
 
    vk::ImageAspectFlags aspect = with_stencil
        ? (vk::ImageAspectFlagBits::eDepth | vk::ImageAspectFlagBits::eStencil)
        : vk::ImageAspectFlagBits::eDepth;
 
    m_resource_manager->transition_image_layout(
        image->get_image(),
        vk::ImageLayout::eUndefined,
        vk::ImageLayout::eDepthStencilAttachmentOptimal,
        1, 1, aspect);
    image->set_current_layout(vk::ImageLayout::eDepthStencilAttachmentOptimal);
 
    m_textures.push_back(image);
    MF_INFO(Journal::Component::Portal, Journal::Context::ImageProcessing,
        "Created depth buffer: {}x{}, format: {}, stencil: {}",
        width, height, vk::to_string(vk_format), with_stencil);
    return image;
}

References MayaFlux::Core::VKImage::DEPTH_STENCIL, MayaFlux::Kakshya::IMAGE_2D, MayaFlux::Journal::ImageProcessing, MayaFlux::Core::BackendResourceManager::initialize_image(), is_initialized(), m_resource_manager, m_textures, MF_ERROR, MF_INFO, MayaFlux::Journal::Portal, MayaFlux::Core::BackendResourceManager::transition_image_layout(), and MayaFlux::Core::VKImage::TYPE_2D.

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