79 lines
2.0 KiB
C++
79 lines
2.0 KiB
C++
#ifndef HGL_GRAPH_VULKAN_VERTEX_INPUT_INCLUDE
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#define HGL_GRAPH_VULKAN_VERTEX_INPUT_INCLUDE
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#include"VK.h"
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#include<hgl/type/BaseString.h>
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VK_NAMESPACE_BEGIN
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class VertexBuffer;
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class IndexBuffer;
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class Shader;
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/**
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* 顶点输入状态实例<br>
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* 本对象用于传递给MaterialInstance,用于已经确定好顶点格式的情况下，依然可修改部分设定(如instance)。
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*/
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class VertexAttributeBinding
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{
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Shader *shader;
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VkVertexInputBindingDescription *binding_list;
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private:
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friend class Shader;
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VertexAttributeBinding(Shader *);
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public:
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~VertexAttributeBinding();
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bool SetInstance(const uint index,bool instance);
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bool SetInstance(const UTF8String &name,bool instance);
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void Write(VkPipelineVertexInputStateCreateInfo &vis)const;
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};//class VertexInputStateInstance
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/**
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* 顶点输入配置，负责具体的buffer绑定，提供给CommandBuffer使用<br>
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* 注：本引擎不支持一个Buffer中包括多种数据
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*/
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class VertexInput
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{
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const Shader *shader;
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int buf_count=0;
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VkBuffer *buf_list=nullptr;
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VkDeviceSize *buf_offset=nullptr;
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IndexBuffer *indices_buffer=nullptr;
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VkDeviceSize indices_offset=0;
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public:
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VertexInput(const Shader *);
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virtual ~VertexInput();
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bool Set(const int binding, VertexBuffer *vb,VkDeviceSize offset=0);
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bool Set(const UTF8String &name,VertexBuffer *vb,VkDeviceSize offset=0);
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bool Set(IndexBuffer *ib,VkDeviceSize offset=0)
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{
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if(!ib)return(false);
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indices_buffer=ib;
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indices_offset=offset;
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return(true);
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}
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public:
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const int GetCount ()const{return buf_count;}
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const VkBuffer * GetBuffer ()const{return buf_list;}
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const VkDeviceSize * GetOffset ()const{return buf_offset;}
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IndexBuffer * GetIndexBuffer() {return indices_buffer;}
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const VkDeviceSize GetIndexOffset()const{return indices_offset;}
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};//class VertexInput
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VK_NAMESPACE_END
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#endif//HGL_GRAPH_VULKAN_VERTEX_INPUT_INCLUDE
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