81 lines
2.9 KiB
C++
81 lines
2.9 KiB
C++
#pragma once
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#include<hgl/graph/mtl/MaterialLibrary.h>
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#include<hgl/graph/mtl/MaterialCreateConfig.h>
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#include<hgl/graph/CoordinateSystem.h>
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#include<hgl/graph/VertexAttrib.h>
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STD_MTL_NAMESPACE_BEGIN
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struct Material2DCreateConfig:public MaterialCreateConfig,public Comparator<Material2DCreateConfig>
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{
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CoordinateSystem2D coordinate_system; ///<使用的坐标系
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bool local_to_world; ///<包含LocalToWorld矩阵
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VAType position_format; ///<position格式
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public:
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Material2DCreateConfig(const PrimitiveType &p,
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const CoordinateSystem2D &cs=CoordinateSystem2D::NDC,
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const WithLocalToWorld &l2w=WithLocalToWorld::Without)
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:MaterialCreateConfig(p)
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{
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rt_output.color=1; //输出一个颜色
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rt_output.depth=false; //不输出深度
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rt_output.stencil=false; //不输出stencil
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coordinate_system=cs;
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local_to_world=(l2w==WithLocalToWorld::With);
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if(prim==PrimitiveType::SolidRectangles
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||prim==PrimitiveType::WireRectangles)
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position_format=VAT_VEC4;
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else
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position_format=VAT_VEC2;
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}
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const int compare(const Material2DCreateConfig &cfg)const override
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{
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int off=MaterialCreateConfig::compare(cfg);
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if(off)return off;
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off=(int)coordinate_system-(int)cfg.coordinate_system;
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if(off)return off;
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off=local_to_world-cfg.local_to_world;
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if(off)return off;
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off=position_format.Comp(cfg.position_format);
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return off;
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}
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const AnsiString ToHashString() override;
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};//struct Material2DCreateConfig:public MaterialCreateConfig
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DEFINE_MATERIAL_FACTORY_CLASS(VertexColor2D, const Material2DCreateConfig)
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DEFINE_MATERIAL_FACTORY_CLASS(PureColor2D, const Material2DCreateConfig)
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//DEFINE_MATERIAL_FACTORY_CLASS(LerpLine2D, const Material2DCreateConfig);
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DEFINE_MATERIAL_FACTORY_CLASS(PureTexture2D, const Material2DCreateConfig);
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DEFINE_MATERIAL_FACTORY_CLASS(RectTexture2D, Material2DCreateConfig);
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DEFINE_MATERIAL_FACTORY_CLASS(RectTexture2DArray, Material2DCreateConfig);
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// 为什么有了LoadMaterialFromFile，还需要保留以上Create系列函数？
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// 1.LoadMaterialFromFile载的材质，是从文件中加载的。但我们要考虑文件损坏不能加载的情况。
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// 2.从文件加载材质过于复杂，而且不利于调试。所以我们需要保留Create系列函数，以便于调试以及测试一些新的情况。同时让开发人员知道材质具体是如何创建的。
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/**
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* 从文件加载材质
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* @param dev_attr 设备属性
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* @param mtl_name 材质名称
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* @param cfg 材质创建参数
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* @return 材质创建信息
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*/
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MaterialCreateInfo *LoadMaterialFromFile(const VulkanDevAttr *dev_attr,const AnsiString &mtl_name,Material2DCreateConfig *cfg); ///<从文件加载材质
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STD_MTL_NAMESPACE_END
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