optimized first_triangle based on RenderablePrimitiveCreater class.

example/Vulkan/first_triangle.cpp

@@ -6,6 +6,7 @@
 #include<hgl/math/HalfFloat.h>
 #include<hgl/filesystem/FileSystem.h>
 #include<hgl/graph/SceneInfo.h>
+#include<hgl/graph/VKRenderablePrimitiveCreater.h>
 
 using namespace hgl;
 using namespace hgl::graph;
@@ -96,17 +97,16 @@ private:
    
     bool InitVBO()
     {
-        Primitive *primitive=db->CreatePrimitive(VERTEX_COUNT);
-        if(!primitive)return(false);
+        RenderablePrimitiveCreater rpc(db,VERTEX_COUNT);
 
 #ifdef USE_HALF_FLOAT_POSITION
         Float32toFloat16(position_data_hf,position_data_float,VERTEX_COUNT*2);
 #endif//USE_HALF_FLOAT_POSITION
 
-        if(!primitive->Set(VAN::Position,   db->CreateVBO(PositionFormat,   VERTEX_COUNT,position_data  )))return(false);
-        if(!primitive->Set(VAN::Color,      db->CreateVBO(ColorFormat,      VERTEX_COUNT,color_data     )))return(false);
+        if(!rpc.SetVBO(VAN::Position,   PositionFormat, position_data))return(false);
+        if(!rpc.SetVBO(VAN::Color,      ColorFormat,    color_data   ))return(false);
         
-        render_obj=db->CreateRenderable(primitive,material_instance,pipeline);
+        render_obj=rpc.Create(material_instance,pipeline);
         return(render_obj);
     }
 

inc/hgl/graph/VKRenderablePrimitiveCreater.h

@@ -0,0 +1,53 @@
+#ifndef HGL_VK_RENDERABLE_PRIMITIVE_CREATER_INCLUDE
+#define HGL_VK_RENDERABLE_PRIMITIVE_CREATER_INCLUDE
+
+#include<hgl/graph/VKRenderResource.h>
+
+VK_NAMESPACE_BEGIN
+class RenderablePrimitiveCreater
+{
+    RenderResource *rr;
+
+    uint32_t vertex_count;
+
+    Primitive *prim;
+
+public:
+
+    RenderablePrimitiveCreater(RenderResource *_rr,uint32_t vc)
+    {
+        rr=_rr;
+        vertex_count=vc;
+
+        prim=rr->CreatePrimitive(vertex_count);
+    }
+
+    bool SetVBO(const AnsiString &name,const VkFormat &fmt,const void *buf)
+    {
+        VBO *vbo=rr->CreateVBO(fmt,vertex_count,buf);
+
+        if(!vbo)
+            return(false);
+
+        prim->Set(name,vbo);
+        return(true);
+    }
+
+    bool SetIBO(const IndexType &it,const void *buf)
+    {
+        IndexBuffer *ibo=rr->CreateIBO(it,vertex_count,buf);
+    
+        if(!ibo)
+            return(false);
+    
+        prim->Set(ibo);
+        return(true);
+    }
+
+    Renderable *Create(MaterialInstance *mi,Pipeline *p)
+    {
+        return rr->CreateRenderable(prim,mi,p);
+    }
+};//class RenderablePrimitiveCreater
+VK_NAMESPACE_END
+#endif // HGL_VK_RENDERABLE_PRIMITIVE_CREATER_INCLUDE

src/SceneGraph/CMakeLists.txt

@@ -83,6 +83,7 @@ SOURCE_GROUP("Header Files" FILES ${SCENE_GRAPH_HEADER})
 SOURCE_GROUP("Source Files" FILES ${SCENE_GRAPH_SOURCE})
 
 SET(VK_RR_SOURCE        ${SG_INCLUDE_PATH}/VKRenderResource.h
+                        ${SG_INCLUDE_PATH}/VKRenderablePrimitiveCreater.h
                         Vulkan/VKRenderResource.cpp
                         Vulkan/VKRenderResourceMaterial.cpp)