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Diffstat (limited to 'Assets/ThirdParty/MaterializeFX/Shaders/Standart/UnityStandardInput.cginc')
| -rw-r--r-- | Assets/ThirdParty/MaterializeFX/Shaders/Standart/UnityStandardInput.cginc | 240 |
1 files changed, 240 insertions, 0 deletions
diff --git a/Assets/ThirdParty/MaterializeFX/Shaders/Standart/UnityStandardInput.cginc b/Assets/ThirdParty/MaterializeFX/Shaders/Standart/UnityStandardInput.cginc new file mode 100644 index 00000000..3c206a64 --- /dev/null +++ b/Assets/ThirdParty/MaterializeFX/Shaders/Standart/UnityStandardInput.cginc @@ -0,0 +1,240 @@ +// Unity built-in shader source. Copyright (c) 2016 Unity Technologies. MIT license (see license.txt) + +#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 (_DETAIL_MULX2 || _DETAIL_MUL || _DETAIL_ADD || _DETAIL_LERP) + #define _DETAIL 1 +#endif + +//--------------------------------------- +half4 _Color; +half _Cutoff; + +sampler2D _MainTex; +float4 _MainTex_ST; + +sampler2D _DetailAlbedoMap; +float4 _DetailAlbedoMap_ST; + +sampler2D _BumpMap; +half _BumpScale; + +sampler2D _DetailMask; +sampler2D _DetailNormalMap; +half _DetailNormalMapScale; + +sampler2D _SpecGlossMap; +sampler2D _MetallicGlossMap; +half _Metallic; +half _Glossiness; +half _GlossMapScale; + +sampler2D _OcclusionMap; +half _OcclusionStrength; + +sampler2D _ParallaxMap; +half _Parallax; +half _UVSec; + +half4 _EmissionColor; +sampler2D _EmissionMap; + +//------------------------------------------------------------------------------------- +// 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 +#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; +} + +half DetailMask(float2 uv) +{ + return tex2D (_DetailMask, uv).a; +} + +half3 Albedo(float4 texcoords) +{ + half3 albedo = _Color.rgb * tex2D (_MainTex, texcoords.xy).rgb; +#if _DETAIL + #if (SHADER_TARGET < 30) + // SM20: instruction count limitation + // SM20: no detail mask + half mask = 1; + #else + half mask = DetailMask(texcoords.xy); + #endif + half3 detailAlbedo = tex2D (_DetailAlbedoMap, texcoords.zw).rgb; + #if _DETAIL_MULX2 + albedo *= LerpWhiteTo (detailAlbedo * unity_ColorSpaceDouble.rgb, mask); + #elif _DETAIL_MUL + albedo *= LerpWhiteTo (detailAlbedo, mask); + #elif _DETAIL_ADD + albedo += detailAlbedo * mask; + #elif _DETAIL_LERP + albedo = lerp (albedo, detailAlbedo, mask); + #endif +#endif + return albedo; +} + +half Alpha(float2 uv) +{ +#if defined(_SMOOTHNESS_TEXTURE_ALBEDO_CHANNEL_A) + return _Color.a; +#else + return tex2D(_MainTex, uv).a * _Color.a; +#endif +} + +half Occlusion(float2 uv) +{ +#if (SHADER_TARGET < 30) + // SM20: instruction count limitation + // SM20: simpler occlusion + return tex2D(_OcclusionMap, uv).g; +#else + half occ = tex2D(_OcclusionMap, uv).g; + return LerpOneTo (occ, _OcclusionStrength); +#endif +} + +half4 SpecularGloss(float2 uv) +{ + half4 sg; +#ifdef _SPECGLOSSMAP + #if defined(_SMOOTHNESS_TEXTURE_ALBEDO_CHANNEL_A) + sg.rgb = tex2D(_SpecGlossMap, uv).rgb; + sg.a = tex2D(_MainTex, uv).a; + #else + sg = tex2D(_SpecGlossMap, uv); + #endif + sg.a *= _GlossMapScale; +#else + sg.rgb = _SpecColor.rgb; + #ifdef _SMOOTHNESS_TEXTURE_ALBEDO_CHANNEL_A + sg.a = tex2D(_MainTex, uv).a * _GlossMapScale; + #else + sg.a = _Glossiness; + #endif +#endif + return sg; +} + +half2 MetallicGloss(float2 uv) +{ + half2 mg; + +#ifdef _METALLICGLOSSMAP + #ifdef _SMOOTHNESS_TEXTURE_ALBEDO_CHANNEL_A + mg.r = tex2D(_MetallicGlossMap, uv).r; + mg.g = tex2D(_MainTex, uv).a; + #else + mg = tex2D(_MetallicGlossMap, uv).ra; + #endif + mg.g *= _GlossMapScale; +#else + mg.r = _Metallic; + #ifdef _SMOOTHNESS_TEXTURE_ALBEDO_CHANNEL_A + mg.g = tex2D(_MainTex, uv).a * _GlossMapScale; + #else + mg.g = _Glossiness; + #endif +#endif + return mg; +} + +half2 MetallicRough(float2 uv) +{ + half2 mg; +#ifdef _METALLICGLOSSMAP + mg.r = tex2D(_MetallicGlossMap, uv).r; +#else + mg.r = _Metallic; +#endif + +#ifdef _SPECGLOSSMAP + mg.g = 1.0f - tex2D(_SpecGlossMap, uv).r; +#else + mg.g = 1.0f - _Glossiness; +#endif + return mg; +} + +half3 Emission(float2 uv) +{ +#ifndef _EMISSION + return 0; +#else + return tex2D(_EmissionMap, uv).rgb * _EmissionColor.rgb; +#endif +} + +#ifdef _NORMALMAP +half3 NormalInTangentSpace(float4 texcoords) +{ + half3 normalTangent = UnpackScaleNormal(tex2D (_BumpMap, texcoords.xy), _BumpScale); + +#if _DETAIL && defined(UNITY_ENABLE_DETAIL_NORMALMAP) + half mask = DetailMask(texcoords.xy); + half3 detailNormalTangent = UnpackScaleNormal(tex2D (_DetailNormalMap, texcoords.zw), _DetailNormalMapScale); + #if _DETAIL_LERP + normalTangent = lerp( + normalTangent, + detailNormalTangent, + mask); + #else + normalTangent = lerp( + normalTangent, + BlendNormals(normalTangent, detailNormalTangent), + mask); + #endif +#endif + + return normalTangent; +} +#endif + +float4 Parallax (float4 texcoords, half3 viewDir) +{ +#if !defined(_PARALLAXMAP) || (SHADER_TARGET < 30) + // Disable parallax on pre-SM3.0 shader target models + return texcoords; +#else + half h = tex2D (_ParallaxMap, texcoords.xy).g; + float2 offset = ParallaxOffset1Step (h, _Parallax, viewDir); + return float4(texcoords.xy + offset, texcoords.zw + offset); +#endif + +} + +#endif // UNITY_STANDARD_INPUT_INCLUDED |