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Diffstat (limited to 'UnityStandardMeta.cginc')
| -rw-r--r-- | UnityStandardMeta.cginc | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/UnityStandardMeta.cginc b/UnityStandardMeta.cginc new file mode 100644 index 0000000..0fb21eb --- /dev/null +++ b/UnityStandardMeta.cginc @@ -0,0 +1,169 @@ +#ifndef UNITY_STANDARD_META_INCLUDED +#define UNITY_STANDARD_META_INCLUDED + +// Functionality for Standard shader "meta" pass +// (extracts albedo/emission for lightmapper etc.) + +#include "UnityCG.cginc" +#include "UnityMetaPass.cginc" + +#include "custom30.cginc" +#include "eyes.cginc" +#include "face_me.cginc" +#include "false_color_visualization.cginc" +#include "features.cginc" +#include "fog.cginc" +#include "globals.cginc" +#include "harnack_tracing.cginc" +#include "interpolators.cginc" +#include "letter_grid.cginc" +#include "matcaps.cginc" +#include "math.cginc" +#include "poi.cginc" +#include "shatter_wave.cginc" +#include "ssao.cginc" +#include "ssfd.cginc" +#include "tessellation.cginc" +#include "unigram_letter_grid.cginc" +#include "vertex_domain_warping.cginc" +#include "yum_brdf.cginc" +#include "yum_pbr.cginc" +#include "yum_lighting.cginc" + +struct v2f_meta +{ + float4 pos : SV_POSITION; + float4 uv01 : TEXCOORD0; + float4 uv23 : TEXCOORD1; + float3 worldPos : TEXCOORD2; + float3 objPos : TEXCOORD3; + float3 normal : TEXCOORD4; + float3 tangent : TEXCOORD5; + float3 binormal : TEXCOORD6; + float4 color : COLOR; +#ifdef EDITOR_VISUALIZATION + float2 vizUV : TEXCOORD7; + float4 lightCoord : TEXCOORD8; +#endif +}; + +v2f_meta vert_meta (appdata v) +{ + v2f_meta o; + o.pos = UnityMetaVertexPosition(v.vertex, v.uv1.xy, v.uv2.xy, unity_LightmapST, unity_DynamicLightmapST); + + o.uv01.xy = v.uv0; +#if defined(LIGHTMAP_ON) + o.uv01.zw = v.uv1 * unity_LightmapST.xy + unity_LightmapST.zw; +#else + o.uv01.zw = v.uv1; +#endif + o.uv23.xy = v.uv2; + o.uv23.zw = v.uv3; + + o.worldPos = mul(unity_ObjectToWorld, v.vertex); + o.objPos = v.vertex; + + o.normal = v.normal; + o.tangent = v.tangent.xyz; + o.binormal = cross(o.normal, o.tangent) * v.tangent.w; + + o.color = v.color; + +#ifdef EDITOR_VISUALIZATION + o.vizUV = 0; + o.lightCoord = 0; + if (unity_VisualizationMode == EDITORVIZ_TEXTURE) + o.vizUV = UnityMetaVizUV(unity_EditorViz_UVIndex, v.uv0.xy, v.uv1.xy, v.uv2.xy, unity_EditorViz_Texture_ST); + else if (unity_VisualizationMode == EDITORVIZ_SHOWLIGHTMASK) + { + o.vizUV = v.uv1.xy * unity_LightmapST.xy + unity_LightmapST.zw; + o.lightCoord = mul(unity_EditorViz_WorldToLight, mul(unity_ObjectToWorld, float4(v.vertex.xyz, 1))); + } +#endif + return o; +} + +float4 frag_meta (v2f_meta i) : SV_Target +{ + i.normal = normalize(UnityObjectToWorldNormal(i.normal)); + i.tangent = normalize(UnityObjectToWorldNormal(i.tangent)); + i.binormal = normalize(UnityObjectToWorldNormal(i.binormal)); + + float4x4 tangentToWorld = float4x4( + float4(i.tangent.x, i.binormal.x, i.normal.x, 0), + float4(i.tangent.y, i.binormal.y, i.normal.y, 0), + float4(i.tangent.z, i.binormal.z, i.normal.z, 0), + float4(0, 0, 0, 1) + ); + + // Convert v2f_meta to v2f structure expected by YumPbr + v2f pbr_input; + pbr_input.uv01 = i.uv01; + pbr_input.uv23 = i.uv23; + pbr_input.worldPos = i.worldPos; + pbr_input.objPos = float4(i.objPos, 1.0); + pbr_input.normal = i.normal; + pbr_input.tangent = i.tangent; + pbr_input.binormal = i.binormal; + pbr_input.color = i.color; + + YumPbr pbr = GetYumPbr(pbr_input, tangentToWorld); + +#if defined(_CUSTOM30) +#if defined(_CUSTOM30_BASICCUBE) + Custom30Output c30_out = BasicCube(pbr_input, tangentToWorld); +#elif defined(_CUSTOM30_BASICWEDGE) + Custom30Output c30_out = BasicWedge(pbr_input, tangentToWorld); +#elif defined(_CUSTOM30_BASICPLATFORM) + Custom30Output c30_out = BasicPlatform(pbr_input, tangentToWorld); +#elif defined(_CUSTOM30_RAINBOW) + Custom30Output c30_out = Rainbow(pbr_input, tangentToWorld); +#else + Custom30Output c30_out = (Custom30Output) 0; + c30_out.normal = pbr_input.normal; + c30_out.objPos = pbr_input.objPos.xyz; +#endif + // Update surface properties with volumetric results + pbr_input.normal = c30_out.normal; + pbr_input.worldPos = mul(unity_ObjectToWorld, float4(c30_out.objPos, 1)); + + // Recalculate tangent space with new normal + tangentToWorld = float4x4( + float4(i.tangent.x, i.binormal.x, pbr_input.normal.x, 0), + float4(i.tangent.y, i.binormal.y, pbr_input.normal.y, 0), + float4(i.tangent.z, i.binormal.z, pbr_input.normal.z, 0), + float4(0, 0, 0, 1) + ); + + // Get PBR properties with updated surface + pbr = GetYumPbr(pbr_input, tangentToWorld); +#endif + + UnityMetaInput o; + UNITY_INITIALIZE_OUTPUT(UnityMetaInput, o); + +#ifdef EDITOR_VISUALIZATION + o.Albedo = pbr.albedo.rgb; + o.VizUV = i.vizUV; + o.LightCoord = i.lightCoord; +#else + // For lightmapping, we want the diffuse albedo with some contribution from rough metals + half roughness = pbr.roughness_perceptual; + half3 res = pbr.albedo.rgb; + res += pbr.metallic * roughness * 0.5; + o.Albedo = res; +#endif + + o.SpecularColor = lerp(0.04, pbr.albedo.rgb, pbr.metallic); + +#if defined(_EMISSION) + o.Emission = pbr.emission; +#else + o.Emission = 0; +#endif + + return UnityMetaFragment(o); +} + +#endif // UNITY_STANDARD_META_INCLUDED |