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Diffstat (limited to 'Third_Party/at.pimaker.ltcgi/Shaders/LTCGI_Surface_v2.shader')
| -rw-r--r-- | Third_Party/at.pimaker.ltcgi/Shaders/LTCGI_Surface_v2.shader | 136 |
1 files changed, 0 insertions, 136 deletions
diff --git a/Third_Party/at.pimaker.ltcgi/Shaders/LTCGI_Surface_v2.shader b/Third_Party/at.pimaker.ltcgi/Shaders/LTCGI_Surface_v2.shader deleted file mode 100644 index 2cba27b..0000000 --- a/Third_Party/at.pimaker.ltcgi/Shaders/LTCGI_Surface_v2.shader +++ /dev/null @@ -1,136 +0,0 @@ -Shader "LTCGI/Surface (APIv2)" -{ - Properties - { - _Color ("Color", Color) = (1,1,1,1) - _MainTex ("Albedo (RGB)", 2D) = "white" {} - [HideInInspector] _LightMap ("(for surface ST only)", 2D) = "white" {} - _BumpMap ("Normal Map", 2D) = "bump" {} - _Metallic ("Metallic", Range(0,1)) = 0.0 - _Glossiness ("Smoothness", Range(0,1)) = 0.5 - _GlossinessMap ("Smoothness Map", 2D) = "white" {} - [ToggleUI] _MapIsRoughness ("Invert Smoothness Map", Float) = 0.0 - - [ToggleUI] _LTCGI ("LTCGI enabled", Float) = 1.0 - _LTCGI_DiffuseColor ("LTCGI Diffuse Color", Color) = (1,1,1,1) - _LTCGI_SpecularColor ("LTCGI Specular Color", Color) = (1,1,1,1) - } - SubShader - { - // The LTCGI tag can either be "ALWAYS" or specify a "Toggle"/"ToggleUI" property. - // It is required so that renderers using this material will be updated by the controller. - Tags { "RenderType"="Opaque" "LTCGI"="_LTCGI" } - LOD 200 - - CGPROGRAM - #pragma surface surf Standard fullforwardshadows - #pragma target 3.0 - - // This shader demonstrates how to use the APIv2 LTCGI functionality, which has access to per-light callbacks - - // preamble: include this first to get access to required types - #include "Packages/at.pimaker.ltcgi/Shaders/LTCGI_structs.cginc" - - // then define the accumulator type and callback functions (can forward-declare functions to keep things tidy) - // note the function signatures, especially that the accumulator is "inout" so it will keep modifications between calls - struct accumulator_struct { - // let your imagination run wild on what to accumulate here... - float3 diffuse; - float3 specular; - }; - void callback_diffuse(inout accumulator_struct acc, in ltcgi_output output); - void callback_specular(inout accumulator_struct acc, in ltcgi_output output); - - // tell LTCGI that we want the V2 API, and which constructs to use - #define LTCGI_V2_CUSTOM_INPUT accumulator_struct - #define LTCGI_V2_DIFFUSE_CALLBACK callback_diffuse - #define LTCGI_V2_SPECULAR_CALLBACK callback_specular - - // then include this to finish the deal - #include "Packages/at.pimaker.ltcgi/Shaders/LTCGI.cginc" - - // standard shader stuff follows... - sampler2D _MainTex; - sampler2D _BumpMap; - sampler2D _GlossinessMap; - - struct Input - { - float2 uv_MainTex; - float2 uv_BumpMap; - float2 uv2_LightMap; - float3 worldPos; - float3 worldNormal; INTERNAL_DATA - }; - - half _Glossiness; - float _MapIsRoughness; - half _Metallic; - half4 _Color; - float _LTCGI; - half4 _LTCGI_DiffuseColor; - half4 _LTCGI_SpecularColor; - - float3 get_camera_pos() { - float3 worldCam; - worldCam.x = unity_CameraToWorld[0][3]; - worldCam.y = unity_CameraToWorld[1][3]; - worldCam.z = unity_CameraToWorld[2][3]; - return worldCam; - } - - // now we declare LTCGI APIv2 functions for real - void callback_diffuse(inout accumulator_struct acc, in ltcgi_output output) { - // you can do whatever here! check out the ltcgi_output struct in - // "LTCGI_structs.cginc" to see what data you have available - acc.diffuse += output.intensity * output.color * _LTCGI_DiffuseColor; - } - void callback_specular(inout accumulator_struct acc, in ltcgi_output output) { - // same here, this example one is pretty boring though. - // you could accumulate intensity separately for example, - // to emulate total{Specular,Diffuse}Intensity from APIv1 - acc.specular += output.intensity * output.color * _LTCGI_SpecularColor; - } - - void surf (Input IN, inout SurfaceOutputStandard o) - { - // standard surface shader stuff again... - fixed4 mainColor = tex2D (_MainTex, IN.uv_MainTex) * _Color; - o.Albedo = mainColor.rgb; - o.Metallic = _Metallic; - o.Smoothness = tex2D (_GlossinessMap, IN.uv_MainTex); - if (_MapIsRoughness) - o.Smoothness = 1.0f - o.Smoothness; - o.Smoothness *= _Glossiness; - o.Alpha = mainColor.a; - - o.Normal = UnpackNormal(tex2D(_BumpMap, IN.uv_BumpMap)); - float3 worldSpaceNormal = normalize(WorldNormalVector(IN, o.Normal)); - - if (_LTCGI) { - // and lastly, here's how we call the APIv2 version of LTCGI: - - // first, we create the struct that'll be passed through - accumulator_struct acc = (accumulator_struct)0; - - // then we make the LTCGI_Contribution call as usual, but with slightly different params - LTCGI_Contribution( - acc, // our accumulator - IN.worldPos, // world position of the shaded point - worldSpaceNormal, // world space normal - normalize(get_camera_pos() - IN.worldPos), // view vector to shaded point, normalized - 1.0f - o.Smoothness, // roughness - IN.uv2_LightMap // shadowmap coordinates (the normal Unity ones, they should be in sync with LTCGI maps) - ); - - // after the call, our accumulator struct will have been modified by our callbacks - // we can now use it to set the output color - o.Emission += acc.specular; - o.Emission += acc.diffuse * mainColor.rgb; - } - } - ENDCG - } - - FallBack "Diffuse" -}
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