99 lines
2.6 KiB
HLSL
99 lines
2.6 KiB
HLSL
#include "common.hlsli"
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#include "sload.hlsli"
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#ifdef USE_OFFSCREEN_REFLECTIONS
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#define USE_VIEW_REFLECTIONS
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#define USE_OLD_VIEW_REFLECTIONS
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#endif
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#include "metalic_roughness_light.hlsli"
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#include "metalic_roughness_ambient.hlsli"
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void main(p_bumped_new I, out f_forward O)
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{
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IXrayMaterial M;
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M.Depth = I.position.z;
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M.Sun = I.tcdh.w;
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M.Hemi = I.tcdh.z;
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M.Point = I.position.xyz;
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SloadNew(I, M);
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#if defined(USE_LENGTH_BUFFER) && defined(USE_AREF)
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clip(M.Color.w - def_aref);
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#ifdef USE_DXT1_HACK
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M.Color.xyz *= rcp(max(0.0001f, M.Color.w));
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#endif
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#endif
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#if defined(USE_BUMP) || defined(USE_TDETAIL_BUMP)
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M.Normal = mul(float3x3(I.M1, I.M2, I.M3), M.Normal);
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#else
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M.Normal = float3(I.M1.z, I.M2.z, I.M3.z);
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#endif
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M.Normal = normalize(M.Normal);
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#ifdef USE_LM_HEMI
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float4 hs = s_hemi.Sample(smp_rtlinear, I.tcdh.zw);
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M.Sun = get_sun(hs);
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M.Hemi = get_hemi(hs);
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#endif
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M.Sun = saturate(M.Sun * 2.0f);
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M.Color.xyz = PushGamma(saturate(M.Color.xyz));
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#ifndef USE_PBR
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float3 F0 = 0.0f;
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#else
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float3 F0 = 0.04f;
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#endif
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#ifdef USE_LEGACY_LIGHT
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#ifndef USE_PBR
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M.Metalness = L_material.w;
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#else
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M.Color.xyz *= M.AO;
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M.AO = 1.0f;
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float Specular = M.Metalness * dot(M.Color.xyz, LUMINANCE_VECTOR);
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M.Color.xyz = lerp(M.Color.xyz, 0.04f, M.Metalness);
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M.Metalness = 0.5f - M.Roughness * M.Roughness * 0.5f;
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M.Roughness = Specular;
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#endif
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#endif
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float4 LightColor = float4(L_sun_color.xyz, 0.5f);
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float ViewLength = length(M.Point);
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float3 View = M.Point.xyz * rcp(ViewLength);
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float3 Light = M.Sun * DirectLight(LightColor, mul((float3x3)m_V, L_sun_dir_w.xyz), M.Normal, View, M.Color.xyz, M.Metalness, M.Roughness, F0);
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float3 Ambient = PushGamma(M.AO) * AmbientLighting(View, M.Normal, M.Color.xyz, M.Metalness, M.Roughness, M.Hemi, F0);
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#ifdef USE_LENGTH_BUFFER
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#ifdef USE_LM_HEMI
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float3 Lmap = s_lmap.Sample(smp_rtlinear, I.tcdh.zw).xyz;
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#else
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float3 Lmap = I.lmap;
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#endif
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Light += DirectLight(float4(Lmap.xyz * 2.0f, 0.5f), View, M.Normal, View, M.Color.xyz, M.Metalness, M.Roughness, F0);
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#endif
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O.Color.xyz = Ambient + Light.xyz;
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O.Color.w = M.Color.w;
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float Fog = PushGamma(saturate(ViewLength * fog_params.w + fog_params.x));
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O.Color = lerp(O.Color, PushGamma(fog_color), Fog);
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O.Velocity = I.hpos_curr.xy / I.hpos_curr.w - I.hpos_old.xy / I.hpos_old.w;
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O.Reactive = O.Color.w * 0.9f;
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#ifdef USE_LENGTH_BUFFER
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O.Color.w = ViewLength;
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O.Color.xyz = saturate(O.Color.xyz * rcp(1.0f + O.Color.xyz));
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#endif
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}
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