vk_fence.cc

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/* SPDX-FileCopyrightText: 2022 Blender Authors
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */
 
#include "vk_fence.hh"
#include "vk_backend.hh"
#include "vk_common.hh"
#include "vk_context.hh"
#include "vk_memory.hh"
 
namespace blender::gpu {
 
VKFence::~VKFence()
{
  if (vk_fence_ != VK_NULL_HANDLE) {
    VK_ALLOCATION_CALLBACKS
    VKDevice &device = VKBackend::get().device;
    vkDestroyFence(device.vk_handle(), vk_fence_, vk_allocation_callbacks);
    vk_fence_ = VK_NULL_HANDLE;
  }
}
 
void VKFence::signal()
{
  if (vk_fence_ == VK_NULL_HANDLE) {
    VK_ALLOCATION_CALLBACKS
    VKDevice &device = VKBackend::get().device;
    VkFenceCreateInfo vk_fence_create_info = {};
    vk_fence_create_info.sType = VK_STRUCTURE_TYPE_FENCE_CREATE_INFO;
    vk_fence_create_info.flags = VK_FENCE_CREATE_SIGNALED_BIT;
    vkCreateFence(device.vk_handle(), &vk_fence_create_info, vk_allocation_callbacks, &vk_fence_);
  }
  VKContext &context = *VKContext::get();
  context.rendering_end();
  context.descriptor_set_get().upload_descriptor_sets();
  context.render_graph.submit_synchronization_event(vk_fence_);
  signalled_ = true;
}
 
void VKFence::wait()
{
  if (!signalled_) {
    return;
  }
  VKContext &context = *VKContext::get();
  context.render_graph.wait_synchronization_event(vk_fence_);
  signalled_ = false;
}
 
}  // namespace blender::gpu