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Parse MaterialInstance filed in MaterialFileLoader.cpp

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hyzboy 2023-10-09 01:12:27 +08:00
parent b6e391762b
commit 3a3f9d10b7
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4 changed files with 38 additions and 146 deletions
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1
example/CMakeLists.txt
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@ -21,4 +21,3 @@ macro(CreateProject name)
set_property(TARGET ${name} PROPERTY FOLDER "ULRE/Example")
endmacro()
CreateProject(MaterialCreaterTest MaterialCreaterTest.cpp)

126
example/MaterialCreaterTest.cpp
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@ -1,126 +0,0 @@
#include<hgl/shadergen/MaterialCreateInfo.h>
using namespace hgl;
using namespace hgl::graph;
using namespace hgl::shadergen;
bool PureColor2DMaterial()
{
MaterialCreateInfo mc("PureColor2D",1,false); //一个新材质，1个RT输出，默认使用Vertex/Fragment shader
//vertex部分
{
ShaderCreateInfoVertex *vsc=mc.GetVS(); //获取vertex shader creater
//以下代码会被展开为
/*
layout(location=?) in vec3 Position; //位置属性
*/
vsc->AddInput("vec2","Position"); //添加一个vec3类型的position属性输入
vsc->SetShaderCodes(R"(
void main()
{
gl_Position=vec4(Position,0,1);
})");
}
//添加一个名称为ColorMaterial的UBO定义,其内部有一个vec4 color的属性
//该代码会被展开为
/*
struct ColorMaterial
{
vec4 color;
};
*/
mc.AddStruct("ColorMaterial","vec4 color;");
//添加一个UBO，该代码会被展开为
/*
layout(set=?,binding=?) uniform ColorMaterial mtl;
*/
mc.AddUBO( VK_SHADER_STAGE_FRAGMENT_BIT, //这个UBO出现在fragment shader
DescriptorSetType::PerMaterial, //它属于材质合集
"ColorMaterial", //UBO名称为ColorMaterial
"mtl"); //UBO变量名称为mtl
//fragment部分
{
ShaderCreateInfoFragment *fsc=mc.GetFS(); //获取fragment shader creater
//以下代码会被展开为
/*
layout(location=?) out vec4 Color; //颜色输出
*/
fsc->AddOutput("vec4","Color"); //添加一个vec4类型的color属性输出
fsc->SetShaderCodes(R"(
void main()
{
Color=mtl.color;
})");
}
mc.CreateShader();
return(true);
}
bool VertexColor2DMaterial()
{
MaterialCreateInfo mc("VertexColor2D",1,false);
//vertex部分
{
ShaderCreateInfoVertex *vsc=mc.GetVS();
vsc->AddInput("vec2","Position");
vsc->AddInput("vec4","Color");
vsc->AddOutput("vec4","Color");
vsc->SetShaderCodes(R"(
void main()
{
Output.Color=Color;
gl_Position=vec4(Position,0,1);
})");
}
//fragment部分
{
ShaderCreateInfoFragment *fsc=mc.GetFS();
fsc->AddOutput("vec4","Color");
fsc->SetShaderCodes(R"(
void main()
{
Color=Input.Color;
})");
}
mc.CreateShader();
return(true);
}
namespace glsl_compiler
{
bool Init();
void Close();
}//namespace glsl_compiler
int main()
{
if(!glsl_compiler::Init())
return -1;
PureColor2DMaterial();
VertexColor2DMaterial();
glsl_compiler::Close();
return 0;
}

5
inc/hgl/graph/mtl/StdMaterial.h
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@ -1,5 +1,7 @@
#pragma once
#include<hgl/type/String.h>
#define STD_MTL_NAMESPACE_BEGIN namespace hgl{namespace graph{namespace mtl{
#define STD_MTL_NAMESPACE_END }}}
@ -45,6 +47,9 @@ namespace hgl
virtual MaterialCreateInfo *Create()=0;
};//class StdMaterial
bool LoadMaterialFromFile(const AnsiString &mtl_filename);
}//namespace mtl
}//namespace graph
}//namespace hgl

52
src/ShaderGen/MaterialFileLoader.cpp
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@ -35,23 +35,34 @@ namespace
FragmentOutput,
FragmentCode,
ENUM_CLASS_RANGE(None,FragmentCode)
};//enum class State
constexpr const char *StateNameList[]=
struct MaterialFileStateInfo
{
"Material",
"MaterialInstance",
"Vertex",
"Geometry",
"Fragment",
const char *name;
const int len;
MaterialFileState state;
};
const MaterialFileState GetMaterialFileState(const char *str)
#define MFS(name) {#name,sizeof(#name)-1,MaterialFileState::name},
constexpr const MaterialFileStateInfo state_list[]=
{
for(int i=0;i<int(MaterialFileState::END_RANGE);i++)
if(hgl::stricmp(str,StateNameList[i])==0)
return MaterialFileState(i);
MFS(Material)
MFS(MaterialInstance)
MFS(Vertex)
MFS(Geometry)
MFS(Fragment)
};
const MaterialFileState GetMaterialFileState(const char *str,const int len)
{
for(const MaterialFileStateInfo &info:state_list)
if(len==info.len)
if(hgl::stricmp(str,info.name,len)==0)
return info.state;
return MaterialFileState::None;
}
@ -94,24 +105,27 @@ namespace
{
if(*text=='{')
{
code_sp=text+1;
++text;
while(*text=='\r'||*text=='\n')++text;
code_sp=text;
return(true);
}
if(*text=='}')
{
code_ep=text-1;
code_ep=text;
code=false;
return(true);
}
}
if(hgl::stricmp(text,"Code")==0)
if(hgl::stricmp(text,"Code",4)==0)
{
code=true;
}
else
if(hgl::stricmp(text,"Length")==0)
if(hgl::stricmp(text,"Length",6)==0)
{
text+=7;
while(*text==' '||*text=='\t')++text;
@ -119,7 +133,7 @@ namespace
hgl::stou(text,mi_bytes);
}
else
if(hgl::stricmp(text,"Stage")==0)
if(hgl::stricmp(text,"Stage",5)==0)
{
const char *ep=text+len;
const char *sp;
@ -173,15 +187,15 @@ namespace
{
SAFE_CLEAR(parse)
state=GetMaterialFileState(text+1);
state=GetMaterialFileState(text+1,len-1);
switch(state)
{
case MaterialFileState::Material: parse=new MaterialStateParse;break;
case MaterialFileState::MaterialInstance: parse=new MaterialInstanceStateParse;break;
case MaterialFileState::Vertex: parse=new VertexStateParse;break;
case MaterialFileState::Geometry: parse=new GeometryStateParse;break;
case MaterialFileState::Fragment: parse=new FragmentStateParse;break;
// case MaterialFileState::Vertex: parse=new VertexStateParse;break;
// case MaterialFileState::Geometry: parse=new GeometryStateParse;break;
// case MaterialFileState::Fragment: parse=new FragmentStateParse;break;
default: state=MaterialFileState::None;return(false);
}