增加CreateVB函数，用于根据基础类型创建VertexBuffer

CMCMakeModule

@@ -1 +1 @@
-Subproject commit 5530bcc0dc92f76adc0716a4c3c0ca64d8240642
+Subproject commit 321991587905e07076574f104831bc8457f630b3

CMCore

@@ -1 +1 @@
-Subproject commit 77a570d6beb4d7bc68333b7063cadcf69b891589
+Subproject commit 353bdef68b704d92a82adc55e65a0627bc857b54

CMPlatform

@@ -1 +1 @@
-Subproject commit cdd9d4eb14f4c7f852362f59c14d680f39370685
+Subproject commit c041a934174d21e75a37d1315abcd8f89503f5e6

CMSceneGraph

@@ -1 +1 @@
-Subproject commit c4f5e3d339dac74cfb48f7cf17ea18e51990c709
+Subproject commit 3acc9851166e41f2560b968791f43477ab524cc7

inc/hgl/graph/VertexBuffer.h

@@ -1128,6 +1128,14 @@ namespace hgl
         typedef VertexBuffer4<uint32>   VB4u32  ,VB4ui; template<> inline VkFormat VertexBuffer4<uint32 >::GetDataType()const{return FMT_RGBA32U; }
         typedef VertexBuffer4<float >   VB4f;           template<> inline VkFormat VertexBuffer4<float  >::GetDataType()const{return FMT_RGBA32F; }
         typedef VertexBuffer4<double>   VB4d;           template<> inline VkFormat VertexBuffer4<double >::GetDataType()const{return FMT_RGBA64F; }
+
+        /**
+         * 根据格式要求，创建对应的VBC
+         * @param base_type 基础格式,参见spirv_cross/spirv_common.hpp中的spirv_cross::SPIRType
+         * @param vecsize vec数量
+         * @param vertex_count 顶点数量
+         */
+        VertexBufferCreater *CreateVB(const uint32_t base_type,const uint32_t vecsize,const uint32_t vertex_count);
     }//namespace graph
 }//namespace hgl
 #endif//HGL_GRAPH_VERTEX_BUFFER_INCLUDE

src/RenderDevice/Vulkan/VKBuffer.cpp

@@ -9,13 +9,80 @@ Buffer::~Buffer()
     vkDestroyBuffer(device,buf.buffer,nullptr);
 }
 
-
+VertexBufferCreater *CreateVB(const uint32_t base_type,const uint32_t vecsize,const uint32_t vertex_count)
-
+{
-VertexBufferCreater *CreateVBO(const uint32_t base_type,const uint32_t vecsize,const uint32_t vertex_count)
+    if(base_type==spirv_cross::SPIRType::SByte)
+    {
+        if(vecsize==1)return(new VB1i8(vertex_count));else
+        if(vecsize==2)return(new VB2i8(vertex_count));else
+        //if(vecsize==3)return(new VB3i8(vertex_count));else
+        if(vecsize==4)return(new VB4i8(vertex_count));
+    }
+    else
+    if(base_type==spirv_cross::SPIRType::UByte)
+    {
+        if(vecsize==1)return(new VB1u8(vertex_count));else
+        if(vecsize==2)return(new VB2u8(vertex_count));else
+        //if(vecsize==3)return(new VB3u8(vertex_count));else
+        if(vecsize==4)return(new VB4u8(vertex_count));
+    }
+    else
+    if(base_type==spirv_cross::SPIRType::Short)
+    {
+        if(vecsize==1)return(new VB1i16(vertex_count));else
+        if(vecsize==2)return(new VB2i16(vertex_count));else
+        //if(vecsize==3)return(new VB3i16(vertex_count));else
+        if(vecsize==4)return(new VB4i16(vertex_count));
+    }
+    else
+    if(base_type==spirv_cross::SPIRType::UShort)
+    {
+        if(vecsize==1)return(new VB1u16(vertex_count));else
+        if(vecsize==2)return(new VB2u16(vertex_count));else
+        //if(vecsize==3)return(new VB3u16(vertex_count));else
+        if(vecsize==4)return(new VB4u16(vertex_count));
+    }
+    else
+    if(base_type==spirv_cross::SPIRType::Int)
+    {
+        if(vecsize==1)return(new VB1i32(vertex_count));else
+        if(vecsize==2)return(new VB2i32(vertex_count));else
+        if(vecsize==3)return(new VB3i32(vertex_count));else
+        if(vecsize==4)return(new VB4i32(vertex_count));
+    }
+    else
+    if(base_type==spirv_cross::SPIRType::UInt)
+    {
+        if(vecsize==1)return(new VB1u32(vertex_count));else
+        if(vecsize==2)return(new VB2u32(vertex_count));else
+        if(vecsize==3)return(new VB3u32(vertex_count));else
+        if(vecsize==4)return(new VB4u32(vertex_count));
+    }
+    else
+    if(base_type==spirv_cross::SPIRType::Half)
+    {
+        //if(vecsize==1)return(new VB1hf(vertex_count));else
+        //if(vecsize==2)return(new VB2hf(vertex_count));else
+        //if(vecsize==3)return(new VB3hf(vertex_count));else
+        //if(vecsize==4)return(new VB4hf(vertex_count));
+    }
+    else
+    if(base_type==spirv_cross::SPIRType::Float)
     {
         if(vecsize==1)return(new VB1f(vertex_count));else
         if(vecsize==2)return(new VB2f(vertex_count));else
         if(vecsize==3)return(new VB3f(vertex_count));else
-    if(vecsize==4)return(new VB4f(vertex_count));else
+        if(vecsize==4)return(new VB4f(vertex_count));
+    }
+    else
+    if(base_type==spirv_cross::SPIRType::Double)
+    {
+        if(vecsize==1)return(new VB1d(vertex_count));else
+        if(vecsize==2)return(new VB2d(vertex_count));else
+        if(vecsize==3)return(new VB3d(vertex_count));else
+        if(vecsize==4)return(new VB4d(vertex_count));
+    }
+
+    return nullptr;
 }
 VK_NAMESPACE_END