Function demo_flush_init_cmd

cube/cube.c:794–834

}

static void demo_flush_init_cmd(struct demo *demo) {
    VkResult U_ASSERT_ONLY err;

    // This function could get called twice if the texture uses a staging buffer
    // In that case the second call should be ignored
    if (demo->cmd == VK_NULL_HANDLE) return;

    err = vkEndCommandBuffer(demo->cmd);
    assert(!err);

    VkFence fence;
    VkFenceCreateInfo fence_ci = {.sType = VK_STRUCTURE_TYPE_FENCE_CREATE_INFO, .pNext = NULL, .flags = 0};
    if (demo->force_errors) {
        // Remove sType to intentionally force validation layer errors.
        fence_ci.sType = 0;
    }
    err = vkCreateFence(demo->device, &fence_ci, NULL, &fence);
    assert(!err);
    demo_name_object(demo, VK_OBJECT_TYPE_FENCE, (uint64_t)fence, "InitFence");

    const VkCommandBuffer cmd_bufs[] = {demo->cmd};
    VkSubmitInfo submit_info = {.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO,
                                .pNext = NULL,
                                .waitSemaphoreCount = 0,
                                .pWaitSemaphores = NULL,
                                .pWaitDstStageMask = NULL,
                                .commandBufferCount = 1,
                                .pCommandBuffers = cmd_bufs,
                                .signalSemaphoreCount = 0,
                                .pSignalSemaphores = NULL};

    err = vkQueueSubmit(demo->graphics_queue, 1, &submit_info, fence);
    assert(!err);

    err = vkWaitForFences(demo->device, 1, &fence, VK_TRUE, UINT64_MAX);
    assert(!err);

    vkFreeCommandBuffers(demo->device, demo->cmd_pool, 1, cmd_bufs);
    vkDestroyFence(demo->device, fence, NULL);
    demo->cmd = VK_NULL_HANDLE;
}

static void demo_set_image_layout(struct demo *demo, VkImage image, VkImageAspectFlags aspectMask, VkImageLayout old_image_layout,
                                  VkImageLayout new_image_layout, VkAccessFlagBits srcAccessMask, VkPipelineStageFlags src_stages,