增加MaterialCreateConfig::ToHashString函数，用于在未来生成区分同一材质不同配置的字串

2025-06-11 01:11:12 +08:00
parent 0c3cc5a320
commit 0fbe85290b
5 changed files with 81 additions and 3 deletions
--- a/inc/hgl/graph/mtl/MaterialCreateConfig.h
+++ b/inc/hgl/graph/mtl/MaterialCreateConfig.h
@@ -0,0 +1,58 @@
+#pragma once
+
+#include<hgl/graph/mtl/StdMaterial.h>
+#include<hgl/type/String.h>
+#include<hgl/graph/RenderTargetOutputConfig.h>
+#include<hgl/graph/VK.h>
+#include<hgl/graph/mtl/SamplerName.h>
+
+STD_MTL_NAMESPACE_BEGIN
+class MaterialCreateInfo;
+
+/**
+ * 材质配置结构
+ */
+struct MaterialCreateConfig:public Comparator<MaterialCreateConfig>
+{
+    bool                        material_instance;          ///<是否包含材质实例
+
+    RenderTargetOutputConfig    rt_output;                  ///<渲染目标输出配置
+
+    uint32                      shader_stage_flag_bit;      ///<需要的shader
+
+    PrimitiveType               prim;                       ///<图元类型
+
+public:
+
+    MaterialCreateConfig(const PrimitiveType &p)
+    {
+        material_instance=false;
+
+        hgl_zero(rt_output);
+
+        shader_stage_flag_bit=VK_SHADER_STAGE_VERTEX_BIT|VK_SHADER_STAGE_FRAGMENT_BIT;
+
+        prim=p;
+    }
+
+    const int compare(const MaterialCreateConfig &cfg)const override
+    {
+        int off;
+        
+        off=material_instance-cfg.material_instance;
+        if(off)return(off);
+
+        off=hgl_cmp(rt_output,cfg.rt_output);
+        if(off)return(off);
+
+        off=(int)prim-(int)cfg.prim;
+        if(off)return(off);
+
+        off=shader_stage_flag_bit-cfg.shader_stage_flag_bit;
+
+        return off;
+    }
+
+    virtual const AnsiString ToHashString();
+};//struct MaterialCreateConfig
+STD_MTL_NAMESPACE_END