create_cubemap()

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

Create a cubemap texture.

Parameters

size	Cubemap face size in pixels (square)
format	Image format
data	Optional face data (6 faces in order: +X,-X,+Y,-Y,+Z,-Z)

Returns

Initialized VKImage configured as cubemap

Definition at line 170 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>(
        size, size, 1, vk_format,
        Core::VKImage::Usage::TEXTURE_2D,
        Core::VKImage::Type::TYPE_CUBE,
        1, 6, Kakshya::DataModality::IMAGE_COLOR);
 
    m_resource_manager->initialize_image(image);
 
    if (!image->is_initialized()) {
        MF_ERROR(Journal::Component::Portal, Journal::Context::ImageProcessing,
            "Failed to initialize cubemap VKImage");
        return nullptr;
    }
 
    if (data) {
        size_t face_size = calculate_image_size(size, size, 1, format);
        size_t total_size = face_size * 6;
        upload_data(image, data, total_size);
    } else {
        m_resource_manager->transition_image_layout(
            image->get_image(),
            vk::ImageLayout::eUndefined,
            vk::ImageLayout::eShaderReadOnlyOptimal,
            1, 6, vk::ImageAspectFlagBits::eColor);
        image->set_current_layout(vk::ImageLayout::eShaderReadOnlyOptimal);
    }
 
    m_textures.push_back(image);
    MF_INFO(Journal::Component::Portal, Journal::Context::ImageProcessing,
        "Created cubemap: {}x{}, format: {}", size, size, vk::to_string(vk_format));
    return image;
}

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

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