增加VKMaterialInstance类

example/Vulkan/FragCoordTest.cpp

@@ -30,7 +30,7 @@ private:
     Camera cam;
 
     vulkan::Material *          material            =nullptr;
-    vulkan::DescriptorSets *    descriptor_sets     =nullptr;
+    vulkan::MaterialInstance *  material_instance   =nullptr;
     vulkan::Renderable *        render_obj          =nullptr;
     vulkan::Buffer *            ubo_mvp             =nullptr;
 
@@ -46,7 +46,7 @@ public:
         SAFE_CLEAR(pipeline);
         SAFE_CLEAR(ubo_mvp);
         SAFE_CLEAR(render_obj);
-        SAFE_CLEAR(descriptor_sets);
+        SAFE_CLEAR(material_instance);
         SAFE_CLEAR(material);
     }
 
@@ -60,20 +60,7 @@ private:
             return(false);
 
         render_obj=material->CreateRenderable(VERTEX_COUNT);
-        descriptor_sets=material->CreateDescriptorSets();
-        return(true);
-    }
-
-    bool BindUBO(const UTF8String &name,vulkan::Buffer *ubo)
-    {
-        const int index=material->GetUBO(name);
-
-        if(index<0)
-            return(false);
-
-        if(!descriptor_sets->BindUBO(index,ubo))
-            return(false);
-
+        material_instance=material->CreateInstance();
         return(true);
     }
 
@@ -91,10 +78,10 @@ private:
         if(!ubo_mvp)
             return(nullptr);
         
-        BindUBO("world",ubo_mvp);
-        BindUBO("fragment_world",ubo_mvp);
+        material_instance->BindUBO("world",ubo_mvp);
+        material_instance->BindUBO("fragment_world",ubo_mvp);
 
-        descriptor_sets->Update();
+        material_instance->Update();
         return(true);
     }
     
@@ -135,7 +122,7 @@ public:
         if(!InitPipeline())
             return(false);
 
-        BuildCommandBuffer(pipeline,descriptor_sets,render_obj);
+        BuildCommandBuffer(pipeline,material_instance->GetDescriptorSets(),render_obj);
 
         return(true);
     }
@@ -149,7 +136,7 @@ public:
 
         ubo_mvp->Write(&cam.matrix);
 
-        BuildCommandBuffer(pipeline,descriptor_sets,render_obj);
+        BuildCommandBuffer(pipeline,material_instance->GetDescriptorSets(),render_obj);
     }
 };//class TestApp:public VulkanApplicationFramework
 

example/Vulkan/VulkanAppFramework.h

@@ -16,6 +16,7 @@
 #include<hgl/graph/vulkan/VKFormat.h>
 #include<hgl/graph/vulkan/VKFramebuffer.h>
 #include<hgl/graph/vulkan/VKMaterial.h>
+#include<hgl/graph/vulkan/VKMaterialInstance.h>
 #include<hgl/graph/vulkan/VKRenderTarget.h>
 #include<hgl/graph/shader/glsl2spv.h>
 #include<hgl/graph/SceneDB.h>

inc/hgl/graph/vulkan/VK.h

@@ -48,6 +48,7 @@ class ShaderModule;
 class ShaderModuleManage;
 class VertexShaderModule;
 class Material;
+class MaterialInstance;
 class PipelineLayout;
 class Pipeline;
 class DescriptorSets;

inc/hgl/graph/vulkan/VKMaterial.h

@@ -5,7 +5,7 @@
 #include<hgl/type/Map.h>
 #include<hgl/type/BaseString.h>
 VK_NAMESPACE_BEGIN
-class DescriptorSetLayoutCreater;;
+class DescriptorSetLayoutCreater;
 using ShaderModuleMap=hgl::Map<VkShaderStageFlagBits,const ShaderModule *>;
 
 /**
@@ -58,6 +58,7 @@ public:
     void Write(VkPipelineVertexInputStateCreateInfo &vis)const;
 
     Renderable *CreateRenderable(const uint32_t draw_count=0);
+    MaterialInstance *CreateInstance();
 };//class Material
 VK_NAMESPACE_END
 #endif//HGL_GRAPH_VULKAN_MATERIAL_INCLUDE

inc/hgl/graph/vulkan/VKMaterialInstance.h

@@ -0,0 +1,33 @@
+#ifndef HGL_GRAPH_VULKAN_MATERIAL_INSTANCE_INCLUDE
+#define HGL_GRAPH_VULKAN_MATERIAL_INSTANCE_INCLUDE
+
+#include<hgl/graph/vulkan/VK.h>
+#include<hgl/type/BaseString.h>
+VK_NAMESPACE_BEGIN
+class MaterialInstance
+{
+    Material *material;
+
+    DescriptorSets *descriptor_sets;
+
+private:
+
+    friend class Material;
+
+    MaterialInstance(Material *,DescriptorSets *);
+
+public:
+
+    Material *      GetMaterial         (){return material;}
+    DescriptorSets *GetDescriptorSets   (){return descriptor_sets;}
+
+public:
+
+    ~MaterialInstance();
+
+    bool BindUBO(const UTF8String &name,vulkan::Buffer *ubo);
+    
+    void Update();
+};//class MaterialInstance
+VK_NAMESPACE_END
+#endif//HGL_GRAPH_VULKAN_MATERIAL_INSTANCE_INCLUDE

src/RenderDevice/Vulkan/CMakeLists.txt

@@ -19,7 +19,8 @@ SET(VK_SHADER_SOURCE    VKShaderParse.h
 
 SET(VK_MATERIAL_SOURCE  VKImageView.cpp
                         VKTexture.cpp
-                        VKMaterial.cpp)
+                        VKMaterial.cpp
+                        VKMaterialInstance.cpp)
 
 SET(VK_RENDER_PASS_SOURCE   VKFramebuffer.cpp
                             VKPipeline.cpp

src/RenderDevice/Vulkan/VKMaterialInstance.cpp

@@ -0,0 +1,44 @@
+#include<hgl/graph/vulkan/VKMaterialInstance.h>
+
+#include<hgl/graph/vulkan/VKMaterial.h>
+#include<hgl/graph/vulkan/VKDescriptorSets.h>
+
+VK_NAMESPACE_BEGIN
+MaterialInstance::MaterialInstance(Material *m,DescriptorSets *ds)
+{
+    material=m;
+    descriptor_sets=ds;
+}
+
+MaterialInstance::~MaterialInstance()
+{
+    delete descriptor_sets;
+}
+
+bool MaterialInstance::BindUBO(const UTF8String &name,vulkan::Buffer *ubo)
+{
+    const int index=material->GetUBO(name);
+
+    if(index<0)
+        return(false);
+
+    if(!descriptor_sets->BindUBO(index,ubo))
+        return(false);
+
+    return(true);
+}
+
+void MaterialInstance::Update()
+{
+    descriptor_sets->Update();
+}
+
+MaterialInstance *Material::CreateInstance()
+{
+    DescriptorSets *ds=CreateDescriptorSets();
+
+    if(!ds)return(nullptr);
+
+    return(new MaterialInstance(this,ds));
+}
+VK_NAMESPACE_END