您最多选择25个主题
主题必须以中文或者字母或数字开头，可以包含连字符 (-)，并且长度不得超过35个字符
75 行
2.0 KiB
75 行
2.0 KiB
#ifndef UNITY_STANDARD_INPUT_INCLUDED
|
|
#define UNITY_STANDARD_INPUT_INCLUDED
|
|
|
|
#include "UnityCG.cginc"
|
|
#include "UnityStandardConfig.cginc"
|
|
#include "UnityPBSLighting.cginc" // TBD: remove
|
|
#include "UnityStandardUtils.cginc"
|
|
|
|
//---------------------------------------
|
|
// Directional lightmaps & Parallax require tangent space too
|
|
#if (_NORMALMAP || DIRLIGHTMAP_COMBINED || _PARALLAXMAP)
|
|
#define _TANGENT_TO_WORLD 1
|
|
#endif
|
|
|
|
#if defined(_NORMALMAP0) || defined(_NORMALMAP1) || defined(_NORMALMAP2) || defined(_NORMALMAP3)
|
|
#define _TANGENT_TO_WORLD 1
|
|
#endif
|
|
|
|
#if (_DETAIL_MULX2 || _DETAIL_MUL || _DETAIL_ADD || _DETAIL_LERP)
|
|
#define _DETAIL 1
|
|
#endif
|
|
|
|
|
|
// ref http://blog.selfshadow.com/publications/blending-in-detail/
|
|
// ref https://gist.github.com/selfshadow/8048308
|
|
// Reoriented Normal Mapping
|
|
// Blending when n1 and n2 are already 'unpacked' and normalised
|
|
// assume compositing in tangent space
|
|
float3 BlendNormalRNM(float3 n1, float3 n2)
|
|
{
|
|
float3 t = n1.xyz + float3(0.0, 0.0, 1.0);
|
|
float3 u = n2.xyz * float3(-1.0, -1.0, 1.0);
|
|
float3 r = (t / t.z) * dot(t, u) - u;
|
|
return r;
|
|
}
|
|
|
|
//-------------------------------------------------------------------------------------
|
|
// Input functions
|
|
|
|
struct VertexInput
|
|
{
|
|
float4 vertex : POSITION;
|
|
half3 normal : NORMAL;
|
|
float2 uv0 : TEXCOORD0;
|
|
float2 uv1 : TEXCOORD1;
|
|
//#if defined(DYNAMICLIGHTMAP_ON) || defined(UNITY_PASS_META)
|
|
float2 uv2 : TEXCOORD2;
|
|
//#endif
|
|
|
|
// BEGIN LAYERED_PHOTOGRAMMETRY
|
|
half4 color : COLOR;
|
|
float2 uv3 : TEXCOORD3;
|
|
// END LAYERED_PHOTOGRAMMETRY
|
|
|
|
#ifdef _TANGENT_TO_WORLD
|
|
half4 tangent : TANGENT;
|
|
#endif
|
|
UNITY_VERTEX_INPUT_INSTANCE_ID
|
|
};
|
|
|
|
float4 TexCoords(VertexInput v)
|
|
{
|
|
//float4 texcoord;
|
|
//texcoord.xy = TRANSFORM_TEX(v.uv0, _MainTex); // Always source from uv0
|
|
//texcoord.zw = TRANSFORM_TEX(((_UVSec == 0) ? v.uv0 : v.uv1), _DetailAlbedoMap);
|
|
//return texcoord;
|
|
|
|
float4 texcoord;
|
|
texcoord.xy = v.uv0;
|
|
texcoord.zw = v.uv1;
|
|
return texcoord;
|
|
}
|
|
|
|
|
|
#endif // UNITY_STANDARD_INPUT_INCLUDED
|