Put the Viewport in a RenderTarget and pass it after RenderCmdBuffer::Begin. auto bind ViewportInfo to any material.

CMSceneGraph

@@ -1 +1 @@
-Subproject commit 2b286a47b677b285e849fc5fa5afe132ed33948f
+Subproject commit f74d7045fa0d143b94103e49093fe18a1d5a884c

inc/hgl/graph/VKCommandBuffer.h

@@ -29,8 +29,8 @@ public:
 
     const bool IsBegin()const{return cmd_begin;}
     
-    bool Begin();
-    bool End()
+    virtual bool Begin();
+    virtual bool End()
     {
         if(!cmd_begin)
             return(false);
@@ -50,6 +50,8 @@ public:
 #endif//_DEBUG
 };//class GPUCmdBuffer
 
+class DescriptorBinding;
+
 class RenderCmdBuffer:public GPUCmdBuffer
 {
     uint32_t cv_count;
@@ -60,6 +62,8 @@ class RenderCmdBuffer:public GPUCmdBuffer
     RenderPassBeginInfo rp_begin;
     VkPipelineLayout pipeline_layout;
 
+    DescriptorBinding *desc_binding=nullptr;
+
 private:
 
     void SetClear();
@@ -69,6 +73,15 @@ public:
     RenderCmdBuffer(const GPUDeviceAttribute *attr,VkCommandBuffer cb);
     ~RenderCmdBuffer();
 
+    void SetDescriptorBinding(DescriptorBinding *db) { desc_binding=db; }
+
+    bool End() override
+    {
+        desc_binding=nullptr;
+
+        return GPUCmdBuffer::End();
+    }
+
     void SetRenderArea(const VkRect2D &ra){render_area=ra;}
     void SetRenderArea(const VkExtent2D &);
     void SetViewport(const VkViewport &vp){viewport=vp;}

inc/hgl/graph/VKDescriptorBindingManage.h

@@ -1,32 +1,30 @@
-#ifndef HGL_GRAPH_DESCRIPTOR_BINDING_MANAGE_INCLUDE
-#define HGL_GRAPH_DESCRIPTOR_BINDING_MANAGE_INCLUDE
+#pragma once
 
 #include<hgl/type/Map.h>
 #include<hgl/type/String.h>
 #include<hgl/graph/VK.h>
 #include<hgl/graph/VKDescriptorSetType.h>
-namespace hgl
-{
-    namespace graph
-    {
-        class DeviceBuffer;
-        class Texture;
-        class Material;
-        class MaterialParameters;
 
-        /**
+VK_NAMESPACE_BEGIN
+
+class DeviceBuffer;
+class Texture;
+class Material;
+class MaterialParameters;
+
+/**
  * 描述符绑定器<Br>
  * 一般用于注册通用数据，为材质进行自动绑定。
  */
-        class DescriptorBinding
-        {
+class DescriptorBinding
+{
     DescriptorSetType set_type;                     ///<描述符合集类型
 
     Map<AnsiString,DeviceBuffer *> ubo_map;
     Map<AnsiString,DeviceBuffer *> ssbo_map;
     Map<AnsiString,Texture *> texture_map;
 
-        public:
+public:
 
     DescriptorBinding(const DescriptorSetType &dst)
     {
@@ -99,14 +97,13 @@ namespace hgl
         texture_map.DeleteByValue(tex);
     }
 
-        private:
+private:
 
     void BindUBO(MaterialParameters *,const BindingMap &,bool dynamic);
 
-        public:
+public:
 
     bool Bind(Material *);
-        };//class DescriptorBinding
-    }//namespace graph
-}//namespace hgl
-#endif//HGL_GRAPH_DESCRIPTOR_BINDING_MANAGE_INCLUDE
+};//class DescriptorBinding
+
+VK_NAMESPACE_END

inc/hgl/graph/VKRenderTarget.h

@@ -7,6 +7,7 @@
 #include<hgl/graph/VKQueue.h>
 #include<hgl/graph/VKPipeline.h>
 #include<hgl/graph/VKCommandBuffer.h>
+#include<hgl/graph/VKDescriptorBindingManage.h>
 //#include<iostream>
 
 VK_NAMESPACE_BEGIN
@@ -31,11 +32,14 @@ class IRenderTarget
     graph::ViewportInfo vp_info;
     graph::DeviceBuffer *ubo_vp_info;
 
+    DescriptorBinding desc_binding;
+
 public:
 
     RenderFramework *   GetRenderFramework  ()const{return render_framework;}
     GPUDevice *         GetDevice           ()const;
     VkDevice            GetVkDevice         ()const;
+    DescriptorBinding * GetDescriptorBinding(){return &desc_binding;}
 
     const   VkExtent2D &GetExtent       ()const{return extent;}
 
@@ -73,6 +77,14 @@ public: // Command Buffer
 
     virtual RenderCmdBuffer *   BeginRender         ()=0;
     virtual void                EndRender           ()=0;
+
+public:
+
+    virtual void                Bind                (Material *mtl)
+    {
+        if(mtl)
+            desc_binding.Bind(mtl);
+    }
 };//class IRenderTarget
 
 struct RenderTargetData
@@ -115,6 +127,8 @@ protected:
     RenderTarget(RenderFramework *rf,RenderTargetData *rtd):IRenderTarget(rf,rtd->fbo->GetExtent())
     {
         data=rtd;
+
+        data->cmd_buf->SetDescriptorBinding(GetDescriptorBinding());
     }
 
 public:
@@ -164,6 +178,7 @@ public:
             return(nullptr);
 
         data->cmd_buf->Begin();
+        data->cmd_buf->SetDescriptorBinding(GetDescriptorBinding());
         data->cmd_buf->BindFramebuffer(data->fbo);
         return data->cmd_buf;
     }

src/SceneGraph/Vulkan/VKCommandBufferRender.cpp

@@ -91,6 +91,9 @@ bool RenderCmdBuffer::BindDescriptorSets(Material *mtl)
 {
     if(!mtl)return(false);
 
+    if(desc_binding)
+        desc_binding->Bind(mtl);
+
     {
         uint32_t count=0;
 

src/SceneGraph/Vulkan/VKRenderTarget.cpp

@@ -5,17 +5,21 @@
 #include<hgl/graph/RenderFramework.h>
 #include<hgl/graph/VKBuffer.h>
 
+#include<hgl/graph/mtl/UBOCommon.h>     //未来UBO统合看能不能不引用
+
 VK_NAMESPACE_BEGIN
 
 GPUDevice *IRenderTarget::GetDevice  ()const{return render_framework->GetDevice();}
 VkDevice   IRenderTarget::GetVkDevice()const{return render_framework->GetDevice()->GetDevice();}
 
-IRenderTarget::IRenderTarget(RenderFramework *rf,const VkExtent2D &ext)
+IRenderTarget::IRenderTarget(RenderFramework *rf,const VkExtent2D &ext):desc_binding(DescriptorSetType::RenderTarget)
 {
     render_framework=rf;
 
     ubo_vp_info=GetDevice()->CreateUBO(sizeof(ViewportInfo),&vp_info);
 
+    desc_binding.AddUBO(mtl::SBS_ViewportInfo.name,ubo_vp_info);
+
     OnResize(ext);
 }
 

src/ShaderGen/2d/Std2DMaterial.cpp

@@ -45,7 +45,7 @@ bool Std2DMaterial::CustomVertexShader(ShaderCreateInfoVertex *vsc)
         mci->AddStruct(SBS_ViewportInfo);
 
         mci->AddUBO(VK_SHADER_STAGE_ALL_GRAPHICS,
-                    DescriptorSetType::Static,
+                    DescriptorSetType::RenderTarget,
                     SBS_ViewportInfo);
     }
 

src/ShaderGen/3d/Std3DMaterial.cpp

@@ -61,7 +61,7 @@ bool Std3DMaterial::CustomVertexShader(ShaderCreateInfoVertex *vsc)
     mci->AddStruct(SBS_ViewportInfo);
 
     mci->AddUBO(VK_SHADER_STAGE_ALL_GRAPHICS,
-                DescriptorSetType::Static,
+                DescriptorSetType::RenderTarget,
                 SBS_ViewportInfo);
 
     return(true);