create_3d()

std::shared_ptr< Core::VKImage > MayaFlux::Portal::Graphics::TextureLoom::create_3d	(	uint32_t	width,
		uint32_t	height,
		uint32_t	depth,
		ImageFormat	format = ImageFormat::RGBA8,
		const void *	data = nullptr
	)

Create a 3D texture (volumetric)

Parameters

width	Width in pixels
height	Height in pixels
depth	Depth in pixels
format	Image format
data	Optional initial pixel data

Returns

Initialized VKImage

Definition at line 119 of file TextureLoom.cpp.

{
    if (!is_initialized()) {
        MF_ERROR(Journal::Component::Portal, Journal::Context::ImageProcessing,
            "TextureLoom not initialized");
        return nullptr;
    }
 
    auto vk_format = to_vulkan_format(format);
    auto image = std::make_shared<Core::VKImage>(
        width, height, depth, vk_format,
        Core::VKImage::Usage::TEXTURE_2D,
        Core::VKImage::Type::TYPE_3D,
        1, 1, Kakshya::DataModality::VOLUMETRIC_3D);
 
    m_resource_manager->initialize_image(image);
 
    if (!image->is_initialized()) {
        MF_ERROR(Journal::Component::Portal, Journal::Context::ImageProcessing,
            "Failed to initialize 3D VKImage");
        return nullptr;
    }
 
    if (data) {
        size_t data_size = calculate_image_size(width, height, depth, format);
        upload_data(image, data, data_size);
    } else {
        m_resource_manager->transition_image_layout(
            image->get_image(),
            vk::ImageLayout::eUndefined,
            vk::ImageLayout::eShaderReadOnlyOptimal,
            1, 1, vk::ImageAspectFlagBits::eColor);
        image->set_current_layout(vk::ImageLayout::eShaderReadOnlyOptimal);
    }
 
    m_textures.push_back(image);
    MF_INFO(Journal::Component::Portal, Journal::Context::ImageProcessing,
        "Created 3D texture: {}x{}x{}, format: {}",
        width, height, depth, vk::to_string(vk_format));
    return image;
}

References calculate_image_size(), MayaFlux::Journal::ImageProcessing, MayaFlux::Core::BackendResourceManager::initialize_image(), is_initialized(), m_resource_manager, m_textures, MF_ERROR, MF_INFO, MayaFlux::Journal::Portal, MayaFlux::Core::VKImage::TEXTURE_2D, to_vulkan_format(), MayaFlux::Core::BackendResourceManager::transition_image_layout(), MayaFlux::Core::VKImage::TYPE_3D, upload_data(), and MayaFlux::Kakshya::VOLUMETRIC_3D.

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