From c15c9449de938158b0dbc521935fd36170dd61db Mon Sep 17 00:00:00 2001
From: Daria Volvenkova <d.volvenkova@corp.mail.ru>
Date: Wed, 20 Feb 2019 17:19:13 +0300
Subject: [PATCH] [vulkan] Fixed recreation of command buffers.

---
 drape/vulkan/vulkan_base_context.cpp | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/drape/vulkan/vulkan_base_context.cpp b/drape/vulkan/vulkan_base_context.cpp
index cc04c38abc..4432e30dc9 100644
--- a/drape/vulkan/vulkan_base_context.cpp
+++ b/drape/vulkan/vulkan_base_context.cpp
@@ -791,7 +791,10 @@ void VulkanBaseContext::CreateCommandPool()
 void VulkanBaseContext::DestroyCommandPool()
 {
   if (m_commandPool != VK_NULL_HANDLE)
+  {
     vkDestroyCommandPool(m_device, m_commandPool, nullptr);
+    m_commandPool = VK_NULL_HANDLE;
+  }
 }
 
 void VulkanBaseContext::CreateCommandBuffers()
@@ -809,10 +812,16 @@ void VulkanBaseContext::CreateCommandBuffers()
 void VulkanBaseContext::DestroyCommandBuffers()
 {
   if (m_memoryCommandBuffer != VK_NULL_HANDLE)
+  {
     vkFreeCommandBuffers(m_device, m_commandPool, 1, &m_memoryCommandBuffer);
+    m_memoryCommandBuffer = VK_NULL_HANDLE;
+  }
 
   if (m_renderingCommandBuffer != VK_NULL_HANDLE)
+  {
     vkFreeCommandBuffers(m_device, m_commandPool, 1, &m_renderingCommandBuffer);
+    m_renderingCommandBuffer = VK_NULL_HANDLE;
+  }
 }
 
 void VulkanBaseContext::CreateSyncPrimitives()
@@ -833,13 +842,22 @@ void VulkanBaseContext::CreateSyncPrimitives()
 void VulkanBaseContext::DestroySyncPrimitives()
 {
   if (m_fence != VK_NULL_HANDLE)
+  {
     vkDestroyFence(m_device, m_fence, nullptr);
+    m_fence = VK_NULL_HANDLE;
+  }
 
   if (m_presentComplete != VK_NULL_HANDLE)
+  {
     vkDestroySemaphore(m_device, m_presentComplete, nullptr);
+    m_presentComplete = VK_NULL_HANDLE;
+  }
 
   if (m_renderComplete != VK_NULL_HANDLE)
+  {
     vkDestroySemaphore(m_device, m_renderComplete, nullptr);
+    m_renderComplete = VK_NULL_HANDLE;
+  }
 }
 
 void VulkanBaseContext::RecreateDepthTexture()