46 lines
935 B
C++
46 lines
935 B
C++
#ifndef HGL_GRAPH_MATERIAL_VERTEX_FORMAT_INCLUDE
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#define HGL_GRAPH_MATERIAL_VERTEX_FORMAT_INCLUDE
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#include<hgl/type/DataType.h>
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namespace hgl
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{
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namespace graph
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{
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/**
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* Local 2 World 矩阵存放方案
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*
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* 1.Push Constants 放弃
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*
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* 2.UBO 中存放matrix4f阵列，vertex attrib中存放ID
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* UBO通常情况为16k/64k，一个matrix4f为64字节。
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*
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* 3.Vertex Attribute
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*/
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/**
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* 材质顶点结构
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*/
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union MaterialVertexFormat
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{
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struct
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{
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uint position:3;
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bool normal:1;
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bool tangent:1;
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bool bitangent:1;
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uint color:4;
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uint texcoord:4;
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bool local2world:1;
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bool skeleton:1;
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};
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uint32 format;
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};//union MaterialVertexFormat
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}//namespace graph
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}//namespace hgl
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#endif//HGL_GRAPH_MATERIAL_VERTEX_FORMAT_INCLUDE
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