ImageUploadHelper.java

package net.vulkanmod.render.texture;

import net.vulkanmod.vulkan.Synchronization;
import net.vulkanmod.vulkan.device.DeviceManager;
import net.vulkanmod.vulkan.queue.CommandPool;
import net.vulkanmod.vulkan.queue.Queue;

public class ImageUploadHelper {

    public static final ImageUploadHelper INSTANCE = new ImageUploadHelper();

    final Queue queue;
    private CommandPool.CommandBuffer currentCmdBuffer;

    public ImageUploadHelper() {
        queue = DeviceManager.getGraphicsQueue();
    }

    public long submitCommands() {
        if (this.currentCmdBuffer == null) {
            return 0L;
        }

        SpriteUpdateUtil.transitionLayouts();

        long fence = queue.submitCommands(this.currentCmdBuffer, true);
        Synchronization.INSTANCE.addCommandBuffer(this.currentCmdBuffer, true);

        this.currentCmdBuffer = null;
        return fence;
    }

    public CommandPool.CommandBuffer getOrStartCommandBuffer() {
        if (this.currentCmdBuffer == null) {
            this.currentCmdBuffer = this.queue.beginCommands();
        }

        return this.currentCmdBuffer;
    }

    public CommandPool.CommandBuffer getCommandBuffer() {
        return this.currentCmdBuffer;
    }
}