From 389efebf2e26c9bc1e7f84c669c12bd63fa825ec Mon Sep 17 00:00:00 2001
From: HuYingzhuo <hyzboy@gmail.com>
Date: Fri, 19 Apr 2019 19:58:01 +0800
Subject: [PATCH] =?UTF-8?q?=E6=96=B0=E5=A2=9EVKFence=E5=88=9B=E5=BB=BA?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
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---
 example/Vulkan/VKDevice.cpp | 16 ++++++++++++++++
 example/Vulkan/VKDevice.h   |  3 +++
 example/Vulkan/VKFence.cpp  |  7 +++++++
 example/Vulkan/VKFence.h    | 26 ++++++++++++++++++++++++++
 example/Vulkan/main.cpp     |  4 ++++
 5 files changed, 56 insertions(+)
 create mode 100644 example/Vulkan/VKFence.cpp
 create mode 100644 example/Vulkan/VKFence.h

diff --git a/example/Vulkan/VKDevice.cpp b/example/Vulkan/VKDevice.cpp
index e1e84139..db39a2e0 100644
--- a/example/Vulkan/VKDevice.cpp
+++ b/example/Vulkan/VKDevice.cpp
@@ -4,6 +4,7 @@
 #include"VKCommandBuffer.h"
 //#include"VKDescriptorSet.h"
 #include"VKRenderPass.h"
+#include"VKFence.h"
 
 VK_NAMESPACE_BEGIN
 
@@ -182,4 +183,19 @@ RenderPass *Device::CreateRenderPass()
 
     return(new RenderPass(attr->device,render_pass));
 }
+
+Fence *Device::CreateFence()
+{
+    VkFenceCreateInfo fenceInfo;
+    fenceInfo.sType = VK_STRUCTURE_TYPE_FENCE_CREATE_INFO;
+    fenceInfo.pNext = nullptr;
+    fenceInfo.flags = 0;
+
+    VkFence drawFence;
+
+    if(vkCreateFence(attr->device, &fenceInfo, nullptr, &drawFence)!=VK_SUCCESS)
+        return(nullptr);
+
+    return(new Fence(attr->device,drawFence));
+}
 VK_NAMESPACE_END
diff --git a/example/Vulkan/VKDevice.h b/example/Vulkan/VKDevice.h
index fff6f0a1..2d335d13 100644
--- a/example/Vulkan/VKDevice.h
+++ b/example/Vulkan/VKDevice.h
@@ -12,6 +12,7 @@ class Buffer;
 class VertexBuffer;
 class CommandBuffer;
 class RenderPass;
+class Fence;
 
 class Device
 {
@@ -60,6 +61,8 @@ public:
 //    DescriptorSet *     CreateDescSet(int);
 
     RenderPass *CreateRenderPass();
+
+    Fence *CreateFence();
 };//class Device
 VK_NAMESPACE_END
 #endif//HGL_GRAPH_RENDER_SURFACE_INCLUDE
diff --git a/example/Vulkan/VKFence.cpp b/example/Vulkan/VKFence.cpp
new file mode 100644
index 00000000..c1e3f53f
--- /dev/null
+++ b/example/Vulkan/VKFence.cpp
@@ -0,0 +1,7 @@
+#include"VKFence.h"
+VK_NAMESPACE_BEGIN
+Fence::~Fence()
+{
+    vkDestroyFence(device,fence,nullptr);
+}
+VK_NAMESPACE_END
diff --git a/example/Vulkan/VKFence.h b/example/Vulkan/VKFence.h
new file mode 100644
index 00000000..e9960056
--- /dev/null
+++ b/example/Vulkan/VKFence.h
@@ -0,0 +1,26 @@
+#ifndef HGL_VULKAN_GRAPH_FENCE_INCLUDE
+#define HGL_VULKAN_GRAPH_FENCE_INCLUDE
+
+#include"VK.h"
+VK_NAMESPACE_BEGIN
+class Fence
+{
+    VkDevice device;
+    VkFence fence;
+
+private:
+
+    friend class Device;
+
+    Fence(VkDevice d,VkFence f)
+    {
+        device=d;
+        fence=f;
+    }
+
+public:
+
+    ~Fence();
+};//class Fence
+VK_NAMESPACE_END
+#endif//HGL_VULKAN_GRAPH_FENCE_INCLUDE
diff --git a/example/Vulkan/main.cpp b/example/Vulkan/main.cpp
index ecb1160a..a720db49 100644
--- a/example/Vulkan/main.cpp
+++ b/example/Vulkan/main.cpp
@@ -10,6 +10,7 @@
 #include"VKPipelineLayout.h"
 #include"VKPipeline.h"
 #include"VKCommandBuffer.h"
+#include"VKFence.h"
 
 #include<io.h>
 #include<fcntl.h>
@@ -120,6 +121,8 @@ int main(int,char **)
     if(!shader)
         return -3;
 
+    vulkan::Fence *fence=device->CreateFence();
+
     vulkan::VertexInput vi;
     vulkan::PipelineCreater pc(device);
     vulkan::RenderPass *rp=device->CreateRenderPass();
@@ -141,6 +144,7 @@ int main(int,char **)
         delete pipeline;
     }
 
+    delete fence;
     delete rp;
 
     delete ubo;