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120 行
3.9 KiB
120 行
3.9 KiB
#ifndef UNITY_STANDARD_FORWARDNEW_INCLUDED
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#define UNITY_STANDARD_FORWARDNEW_INCLUDED
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// NOTE: had to split shadow functions into separate file,
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// otherwise compiler gives trouble with LIGHTING_COORDS macro (in UnityStandardCore.cginc)
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#include "UnityStandardConfig.cginc"
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#include "UnityStandardCore.cginc"
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struct VertexOutputForwardNew
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{
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float4 pos : SV_POSITION;
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float4 tex : TEXCOORD0;
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half4 ambientOrLightmapUV : TEXCOORD1; // SH or Lightmap UV
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half4 tangentToWorldAndParallax[3] : TEXCOORD2; // [3x3:tangentToWorld | 1x3:empty]
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LIGHTING_COORDS(5,6)
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UNITY_FOG_COORDS(7)
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UNITY_VERTEX_OUTPUT_STEREO
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};
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VertexOutputForwardNew vertForward(VertexInput v)
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{
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UNITY_SETUP_INSTANCE_ID(v);
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VertexOutputForwardNew o;
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UNITY_INITIALIZE_OUTPUT(VertexOutputForwardNew, o);
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UNITY_INITIALIZE_VERTEX_OUTPUT_STEREO(o);
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float4 posWorld = mul(unity_ObjectToWorld, v.vertex);
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o.pos = UnityObjectToClipPos(v.vertex);
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o.tex = TexCoords(v);
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float3 normalWorld = UnityObjectToWorldNormal(v.normal);
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#ifdef _TANGENT_TO_WORLD
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float4 tangentWorld = float4(UnityObjectToWorldDir(v.tangent.xyz), v.tangent.w);
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float3x3 tangentToWorld = CreateTangentToWorldPerVertex(normalWorld, tangentWorld.xyz, tangentWorld.w);
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o.tangentToWorldAndParallax[0].xyz = tangentToWorld[0];
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o.tangentToWorldAndParallax[1].xyz = tangentToWorld[1];
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o.tangentToWorldAndParallax[2].xyz = tangentToWorld[2];
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#else
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o.tangentToWorldAndParallax[0].xyz = 0;
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o.tangentToWorldAndParallax[1].xyz = 0;
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o.tangentToWorldAndParallax[2].xyz = normalWorld;
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#endif
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o.ambientOrLightmapUV = VertexGIForward(v, posWorld, normalWorld);
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UNITY_TRANSFER_FOG(o,o.pos);
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return o;
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}
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static FragmentCommonData gdata;
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float3 EvalMaterial(UnityLight light, UnityIndirect ind)
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{
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return UNITY_BRDF_PBS(gdata.diffColor, gdata.specColor, gdata.oneMinusReflectivity, gdata.smoothness, gdata.normalWorld, -gdata.eyeVec, light, ind);
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}
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float3 EvalIndirectSpecular(UnityLight light, UnityIndirect ind)
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{
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float occlusion = 1.0; // have none for now
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return occlusion * UNITY_BRDF_PBS(gdata.diffColor, gdata.specColor, gdata.oneMinusReflectivity, gdata.smoothness, gdata.normalWorld, -gdata.eyeVec, light, ind);
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}
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#include "TiledLightingTemplate.hlsl"
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#include "TiledReflectionTemplate.hlsl"
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half4 fragForward(VertexOutputForwardNew i) : SV_Target
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{
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float linZ = GetLinearZFromSVPosW(i.pos.w); // matching script side where camera space is right handed.
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float3 vP = GetViewPosFromLinDepth(i.pos.xy, linZ);
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float3 vPw = mul(g_mViewToWorld, float4(vP,1.0)).xyz;
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float3 Vworld = normalize(mul((float3x3) g_mViewToWorld, -vP).xyz); // not same as unity_CameraToWorld
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#ifdef _PARALLAXMAP
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half3 tangent = i.tangentToWorldAndParallax[0].xyz;
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half3 bitangent = i.tangentToWorldAndParallax[1].xyz;
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half3 normal = i.tangentToWorldAndParallax[2].xyz;
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float3 vDirForParallax = float3( dot(tangent, Vworld), dot(bitangent, Vworld), dot(normal, Vworld));
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#else
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float3 vDirForParallax = Vworld;
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#endif
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gdata = FragmentSetup(i.tex, -Vworld, vDirForParallax, i.tangentToWorldAndParallax, vPw); // eyeVec = -Vworld
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uint2 pixCoord = ((uint2) i.pos.xy);
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//float atten = 0.0;
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//half occlusion = Occlusion(i.tex.xy);
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//UnityGI gi = FragmentGI (gdata, occlusion, i.ambientOrLightmapUV, atten, mainLight);
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uint numLightsProcessed = 0, numReflectionsProcessed = 0;
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float3 res = 0;
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res += ExecuteLightListTiled(numLightsProcessed, pixCoord, vP, vPw, Vworld);
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res += ExecuteReflectionListTiled(numReflectionsProcessed, pixCoord, vP, gdata.normalWorld, Vworld, gdata.smoothness);
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// don't really have a handle on this yet
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//UnityLight mainLight = MainLight ();
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//res += UNITY_BRDF_GI (gdata.diffColor, gdata.specColor, gdata.oneMinusReflectivity, gdata.smoothness, gdata.normalWorld, -gdata.eyeVec, occlusion, gi);
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res += Emission(i.tex.xy);
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//res = OverlayHeatMap(numLightsProcessed, res);
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//UNITY_APPLY_FOG(i.fogCoord, res);
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return OutputForward (float4(res,1.0), gdata.alpha);
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}
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#endif // UNITY_STANDARD_SHADOW_INCLUDED
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