From f2c6c24ddf9975306a5151a91bd467a7b2ce6c26 Mon Sep 17 00:00:00 2001
From: hyzboy <hyzboy@gmail.com>
Date: Wed, 22 Mar 2023 02:35:37 +0800
Subject: [PATCH] added BindGlobalDescriptor at RenderResource

---
 inc/hgl/graph/VKRenderResource.h           |  7 ++++--
 src/SceneGraph/Vulkan/VKRenderResource.cpp | 28 ++++++++++++++++++++++
 2 files changed, 33 insertions(+), 2 deletions(-)

diff --git a/inc/hgl/graph/VKRenderResource.h b/inc/hgl/graph/VKRenderResource.h
index ea2c7bba..b52c02e4 100644
--- a/inc/hgl/graph/VKRenderResource.h
+++ b/inc/hgl/graph/VKRenderResource.h
@@ -47,7 +47,8 @@ class RenderResource
     IDResManage<TextureID,              Texture>            rm_textures;                ///<纹理合集
     IDResManage<RenderableID,           Renderable>         rm_renderables;             ///<渲染实例集合集
 
-    Map<AnsiString,DeviceBuffer *> global_buffer_map;                                      ///<全局UBO
+    Map<AnsiString,DeviceBuffer *> global_buffer_map;                                   ///<全局Buffer(UBO/SSBO)
+    Map<AnsiString,Texture *> global_texture_map;                                       ///<全局Texture
 
 public:
 
@@ -65,7 +66,7 @@ public: //Add
     TextureID               Add(Texture *           t   ){return rm_textures.Add(t);}
     RenderableID            Add(Renderable *        r   ){return rm_renderables.Add(r);}
 
-public: //全局属性
+public: //全局属性(对应shader中的PerGlobal set合集)
 
     void SetGlobal(const AnsiString &name,DeviceBuffer *buf);
 
@@ -73,6 +74,8 @@ public: //全局属性
 
     void Free(DeviceBuffer *);
 
+    void BindGlobalDescriptor(MaterialInstance *);
+
 public: // VBO/VAO
 
     VBO *CreateVBO(VkFormat format,uint32_t count,const void *data,SharingMode sm=SharingMode::Exclusive);
diff --git a/src/SceneGraph/Vulkan/VKRenderResource.cpp b/src/SceneGraph/Vulkan/VKRenderResource.cpp
index 2342fc92..66f5e32f 100644
--- a/src/SceneGraph/Vulkan/VKRenderResource.cpp
+++ b/src/SceneGraph/Vulkan/VKRenderResource.cpp
@@ -32,6 +32,34 @@ void RenderResource::Free(DeviceBuffer *buf)
     global_buffer_map.DeleteByValue(buf);
 }
 
+void RenderResource::BindGlobalDescriptor(MaterialInstance *mi)
+{
+    if(!mi)return;
+
+    const uint count=global_buffer_map.GetCount();
+
+    if(count<=0)return;
+
+    auto **gb_list=global_buffer_map.GetDataList();
+
+    auto *mp=mi->GetMP(DescriptorSetType::Global);
+
+    if(!mp)
+        return;
+
+    if(mp->GetDescriptorCount()<=0)
+        return;
+
+    for(uint i=0;i<count;i++)
+    {
+        mp->BindUBO((*gb_list)->left,(*gb_list)->right);
+
+        ++gb_list;
+    }
+
+    mp->Update();
+}
+
 VBO *RenderResource::CreateVBO(VkFormat format,uint32_t count,const void *data,SharingMode sharing_mode)
 {
     VBO *vb=device->CreateVBO(format,count,data,sharing_mode);