From 6463cd41e02388b4e029cdcdbdd8a8c9296e4e3b Mon Sep 17 00:00:00 2001
From: hyzboy <hyzboy@gmail.com>
Date: Tue, 21 Jan 2020 18:57:26 +0800
Subject: [PATCH] add RenderpassCreater class

---
 inc/hgl/graph/vulkan/VKRenderPass.h | 32 +++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/inc/hgl/graph/vulkan/VKRenderPass.h b/inc/hgl/graph/vulkan/VKRenderPass.h
index e3d966da..e18646ba 100644
--- a/inc/hgl/graph/vulkan/VKRenderPass.h
+++ b/inc/hgl/graph/vulkan/VKRenderPass.h
@@ -46,5 +46,37 @@ public:
     const List<VkFormat> &  GetColorFormat()const{return color_formats;}
     const VkFormat          GetDepthFormat()const{return depth_format;}
 };//class RenderPass
+
+class RenderpassCreater
+{
+    Device *device;
+
+    List<VkAttachmentDescription> atta_desc_list;
+
+public:
+
+    RenderpassCreater(Device *d)
+    {
+        device=d;
+    }
+
+    ~RenderpassCreater()=default;
+
+    int AddSwapchainImage()
+    {
+        VkAttachmentDescription desc;
+
+        desc.format         = device->GetSurfaceFormat();
+        desc.samples        = VK_SAMPLE_COUNT_1_BIT;
+        desc.loadOp         = VK_ATTACHMENT_LOAD_OP_CLEAR;
+        desc.storeOp        = VK_ATTACHMENT_STORE_OP_STORE;
+        desc.stencilLoadOp  = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
+        desc.stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
+        desc.initialLayout  = VK_IMAGE_LAYOUT_UNDEFINED;
+        desc.finalLayout    = VK_IMAGE_LAYOUT_PRESENT_SRC_KHR;
+
+        return atta_desc_list.Add(desc);
+    }
+};//class RenderpassCreater
 VK_NAMESPACE_END
 #endif//HGL_GRAPH_VULKAN_RENDER_PASS_INCLUDE