mirror of
https://github.com/scratchfoundation/bgfx.git
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215 lines
9.1 KiB
Text
215 lines
9.1 KiB
Text
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#include <metal_stdlib>
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using namespace metal;
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struct xlatMtlShaderInput {
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float4 xlv_TEXCOORD0;
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float4 xlv_TEXCOORD1;
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float3 xlv_TEXCOORD2;
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float4 xlv_TEXCOORD3;
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float3 xlv_TEXCOORD4;
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float4 xlv_TEXCOORD5;
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};
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struct xlatMtlShaderOutput {
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half4 _fragData [[color(0)]];
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};
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struct xlatMtlShaderUniform {
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float3 _WorldSpaceCameraPos;
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float _DetailNormalMapScale;
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float _BumpScale;
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float _Exposure;
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float4 _Color;
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float _SelfIllumScale;
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};
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fragment xlatMtlShaderOutput xlatMtlMain (xlatMtlShaderInput _mtl_i [[stage_in]], constant xlatMtlShaderUniform& _mtl_u [[buffer(0)]]
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, texture2d<half> _MainTex [[texture(0)]], sampler _mtlsmp__MainTex [[sampler(0)]]
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, texture2d<half> _DetailAlbedoMap [[texture(1)]], sampler _mtlsmp__DetailAlbedoMap [[sampler(1)]]
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, texture2d<half> _AlphaMap [[texture(2)]], sampler _mtlsmp__AlphaMap [[sampler(2)]]
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, texture2d<half> _Occlusion [[texture(3)]], sampler _mtlsmp__Occlusion [[sampler(3)]]
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, texture2d<half> _DetailNormalMap [[texture(4)]], sampler _mtlsmp__DetailNormalMap [[sampler(4)]]
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, texture2d<half> _BumpMap [[texture(5)]], sampler _mtlsmp__BumpMap [[sampler(5)]]
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, texture2d<half> _SpecGlossMap [[texture(6)]], sampler _mtlsmp__SpecGlossMap [[sampler(6)]]
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, texture2d<half> _ShadowMapTexture [[texture(7)]], sampler _mtlsmp__ShadowMapTexture [[sampler(7)]]
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, texturecube<half> _SpecCube [[texture(8)]], sampler _mtlsmp__SpecCube [[sampler(8)]]
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, texture2d<half> unity_Lightmap [[texture(9)]], sampler _mtlsmp_unity_Lightmap [[sampler(9)]]
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, texture2d<half> unity_LightmapInd [[texture(10)]], sampler _mtlsmp_unity_LightmapInd [[sampler(10)]]
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, texture2d<half> _SelfIllum [[texture(11)]], sampler _mtlsmp__SelfIllum [[sampler(11)]])
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{
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xlatMtlShaderOutput _mtl_o;
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half3 lightDir_1;
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half3 env_2;
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float3 tmpvar_3;
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float3 tmpvar_4;
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tmpvar_3 = _mtl_i.xlv_TEXCOORD3.xyz;
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tmpvar_4 = (((_mtl_i.xlv_TEXCOORD2.yzx * _mtl_i.xlv_TEXCOORD3.zxy) - (_mtl_i.xlv_TEXCOORD2.zxy * _mtl_i.xlv_TEXCOORD3.yzx)) * _mtl_i.xlv_TEXCOORD3.www);
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float3x3 tmpvar_5;
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tmpvar_5[0].x = tmpvar_3.x;
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tmpvar_5[0].y = tmpvar_4.x;
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tmpvar_5[0].z = _mtl_i.xlv_TEXCOORD2.x;
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tmpvar_5[1].x = tmpvar_3.y;
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tmpvar_5[1].y = tmpvar_4.y;
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tmpvar_5[1].z = _mtl_i.xlv_TEXCOORD2.y;
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tmpvar_5[2].x = tmpvar_3.z;
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tmpvar_5[2].y = tmpvar_4.z;
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tmpvar_5[2].z = _mtl_i.xlv_TEXCOORD2.z;
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half3 normal_6;
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normal_6.xy = ((_BumpMap.sample(_mtlsmp__BumpMap, (float2)(_mtl_i.xlv_TEXCOORD0.xy)).wy * (half)2.0) - (half)1.0);
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normal_6.xy = ((half2)((float2)normal_6.xy * _mtl_u._BumpScale));
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normal_6.z = sqrt(((half)1.0 - clamp (
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dot (normal_6.xy, normal_6.xy)
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, (half)0.0, (half)1.0)));
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half3 normal_7;
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normal_7.xy = ((_DetailNormalMap.sample(_mtlsmp__DetailNormalMap, (float2)(_mtl_i.xlv_TEXCOORD0.zw)).wy * (half)2.0) - (half)1.0);
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normal_7.xy = ((half2)((float2)normal_7.xy * _mtl_u._DetailNormalMapScale));
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normal_7.z = sqrt(((half)1.0 - clamp (
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dot (normal_7.xy, normal_7.xy)
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, (half)0.0, (half)1.0)));
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half3 tmpvar_8;
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tmpvar_8.xy = (normal_6.xy + normal_7.xy);
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tmpvar_8.z = (normal_6.z * normal_7.z);
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half3 tmpvar_9;
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tmpvar_9 = normalize(tmpvar_8);
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half3 tmpvar_10;
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tmpvar_10 = ((half3)((float3)tmpvar_9 * tmpvar_5));
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float3 tmpvar_11;
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tmpvar_11 = normalize((_mtl_i.xlv_TEXCOORD1.xyz - _mtl_u._WorldSpaceCameraPos));
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half4 tmpvar_12;
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tmpvar_12 = _SpecGlossMap.sample(_mtlsmp__SpecGlossMap, (float2)(_mtl_i.xlv_TEXCOORD0.xy));
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half tmpvar_13;
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tmpvar_13 = dot (tmpvar_12.xyz, (half3)float3(0.299, 0.587, 0.114));
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half tmpvar_14;
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tmpvar_14 = ((half)1.0 - tmpvar_12.w);
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half4 tmpvar_15;
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tmpvar_15.xyz = ((half3)(tmpvar_11 - (float3)((half)2.0 * (
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((half)dot ((float3)tmpvar_10, tmpvar_11))
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* tmpvar_10))));
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tmpvar_15.w = (tmpvar_14 * (half)5.0);
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half4 tmpvar_16;
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tmpvar_16 = _SpecCube.sample(_mtlsmp__SpecCube, (float3)(tmpvar_15.xyz), level(tmpvar_15.w));
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half tmpvar_17;
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tmpvar_17 = (tmpvar_16.w * tmpvar_16.w);
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half2 tmpvar_18;
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tmpvar_18.x = tmpvar_17;
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tmpvar_18.y = (tmpvar_16.w * tmpvar_17);
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env_2 = (((half3)((float3)(tmpvar_16.xyz *
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dot ((half2)float2(0.7532, 0.2468), tmpvar_18)
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) * _mtl_u._Exposure)) * _Occlusion.sample(_mtlsmp__Occlusion, (float2)(_mtl_i.xlv_TEXCOORD0.xy)).x);
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half4 tmpvar_19;
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tmpvar_19 = unity_Lightmap.sample(_mtlsmp_unity_Lightmap, (float2)(_mtl_i.xlv_TEXCOORD4.xy));
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half4 tmpvar_20;
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tmpvar_20 = unity_LightmapInd.sample(_mtlsmp_unity_LightmapInd, (float2)(_mtl_i.xlv_TEXCOORD4.xy));
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float3x3 tmpvar_21;
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tmpvar_21[0].x = 0.816497;
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tmpvar_21[0].y = -0.408248;
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tmpvar_21[0].z = -0.408248;
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tmpvar_21[1].x = 0.0;
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tmpvar_21[1].y = 0.707107;
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tmpvar_21[1].z = -0.707107;
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tmpvar_21[2].x = 0.57735;
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tmpvar_21[2].y = 0.57735;
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tmpvar_21[2].z = 0.57735;
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half3 tmpvar_22;
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tmpvar_22 = (((half)8.0 * tmpvar_20.w) * tmpvar_20.xyz);
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float3 v_23;
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v_23.x = tmpvar_21[0].x;
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v_23.y = tmpvar_21[1].x;
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v_23.z = tmpvar_21[2].x;
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float3 v_24;
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v_24.x = tmpvar_21[0].y;
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v_24.y = tmpvar_21[1].y;
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v_24.z = tmpvar_21[2].y;
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float3 v_25;
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v_25.x = tmpvar_21[0].z;
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v_25.y = tmpvar_21[1].z;
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v_25.z = tmpvar_21[2].z;
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lightDir_1 = ((half3)((float3)normalize((
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((tmpvar_22.x * (half3)v_23) + (tmpvar_22.y * (half3)v_24))
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+
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(tmpvar_22.z * (half3)v_25)
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)) * tmpvar_5));
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half3 tmpvar_26;
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tmpvar_26 = normalize(lightDir_1);
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lightDir_1 = tmpvar_26;
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half3 lightColor_27;
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lightColor_27 = (_ShadowMapTexture.sample(_mtlsmp__ShadowMapTexture, ((float2)(_mtl_i.xlv_TEXCOORD5).xy / (float)(_mtl_i.xlv_TEXCOORD5).w)).x * ((
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((half)8.0 * tmpvar_19.w)
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* tmpvar_19.xyz) * dot (
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clamp (((half3)(tmpvar_21 * (float3)tmpvar_9)), (half)0.0, (half)1.0)
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, tmpvar_22)));
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float3 viewDir_28;
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viewDir_28 = -(tmpvar_11);
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half3 tmpvar_29;
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tmpvar_29 = normalize(((half3)((float3)tmpvar_26 + viewDir_28)));
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half tmpvar_30;
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tmpvar_30 = max ((half)0.0, dot (tmpvar_10, tmpvar_26));
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half tmpvar_31;
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tmpvar_31 = max ((half)0.0, dot (tmpvar_10, tmpvar_29));
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half tmpvar_32;
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tmpvar_32 = max ((half)0.0, ((half)dot ((float3)tmpvar_10, viewDir_28)));
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half tmpvar_33;
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tmpvar_33 = max ((half)0.0, ((half)dot (viewDir_28, (float3)tmpvar_29)));
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half VdotH_34;
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VdotH_34 = (tmpvar_33 + (half)1e-05);
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half tmpvar_35;
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tmpvar_35 = ((1.0/((
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pow (tmpvar_14, (half)4.0)
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+ (half)1e-05))) - (half)2.0);
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half tmpvar_36;
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half tmpvar_37;
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tmpvar_37 = max ((half)0.0, dot (tmpvar_26, tmpvar_29));
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tmpvar_36 = ((half)0.5 + (((half)2.0 * tmpvar_37) * (tmpvar_37 * tmpvar_14)));
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half4 tmpvar_38;
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tmpvar_38.xyz = (((
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(min ((((half3)(_mtl_u._Color.xyz * (float3)_MainTex.sample(_mtlsmp__MainTex, (float2)(_mtl_i.xlv_TEXCOORD0.xy)).xyz)) * ((half)2.0 * _DetailAlbedoMap.sample(_mtlsmp__DetailAlbedoMap, (float2)(_mtl_i.xlv_TEXCOORD0.zw)).xyz)), ((half3)float3(1.0, 1.0, 1.0) - tmpvar_13)) * (((
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((half)1.0 + ((tmpvar_36 - (half)1.0) * pow (((half)1.00001 - tmpvar_30), (half)5.0)))
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*
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((half)1.0 + ((tmpvar_36 - (half)1.0) * pow (((half)1.00001 - tmpvar_32), (half)5.0)))
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) * tmpvar_30) * lightColor_27))
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+
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(tmpvar_12.xyz * (env_2 + (lightColor_27 * max ((half)0.0,
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((((tmpvar_13 +
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(((half)1.0 - tmpvar_13) * pow (abs(((half)1.0 - tmpvar_33)), (half)5.0))
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) * min ((half)1.0,
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min (((((half)2.0 * tmpvar_31) * tmpvar_32) / VdotH_34), ((((half)2.0 * tmpvar_31) * tmpvar_30) / VdotH_34))
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)) * max ((half)0.0, (
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pow (tmpvar_31, tmpvar_35)
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*
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((tmpvar_35 + (half)1.0) / (half)6.28318)
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))) / (((half)4.0 * tmpvar_32) + (half)1e-05))
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))))
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) + (
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((((half)1.0 - dot (tmpvar_12.xyz, (half3)float3(0.299, 0.587, 0.114))) * ((half)1.0 - tmpvar_14)) * pow (abs(((half)1.0 - tmpvar_32)), (half)5.0))
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* env_2)) + ((half3)((float3)_SelfIllum.sample(_mtlsmp__SelfIllum, (float2)(_mtl_i.xlv_TEXCOORD0.xy)).xyz * _mtl_u._SelfIllumScale)));
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tmpvar_38.w = ((half)((float)_AlphaMap.sample(_mtlsmp__AlphaMap, (float2)(_mtl_i.xlv_TEXCOORD0.xy)).w * _mtl_u._Color.w));
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_mtl_o._fragData = tmpvar_38;
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return _mtl_o;
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}
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// stats: 146 alu 12 tex 0 flow
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// inputs: 6
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// #0: xlv_TEXCOORD0 (high float) 4x1 [-1]
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// #1: xlv_TEXCOORD1 (high float) 4x1 [-1]
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// #2: xlv_TEXCOORD2 (high float) 3x1 [-1]
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// #3: xlv_TEXCOORD3 (high float) 4x1 [-1]
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// #4: xlv_TEXCOORD4 (high float) 3x1 [-1]
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// #5: xlv_TEXCOORD5 (high float) 4x1 [-1]
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// uniforms: 6 (total size: 52)
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// #0: _WorldSpaceCameraPos (high float) 3x1 [-1] loc 0
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// #1: _DetailNormalMapScale (high float) 1x1 [-1] loc 16
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// #2: _BumpScale (high float) 1x1 [-1] loc 20
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// #3: _Exposure (high float) 1x1 [-1] loc 24
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// #4: _Color (high float) 4x1 [-1] loc 32
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// #5: _SelfIllumScale (high float) 1x1 [-1] loc 48
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// textures: 12
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// #0: _MainTex (low 2d) 0x0 [-1] loc 0
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// #1: _DetailAlbedoMap (low 2d) 0x0 [-1] loc 1
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// #2: _AlphaMap (low 2d) 0x0 [-1] loc 2
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// #3: _Occlusion (low 2d) 0x0 [-1] loc 3
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// #4: _DetailNormalMap (low 2d) 0x0 [-1] loc 4
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// #5: _BumpMap (low 2d) 0x0 [-1] loc 5
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// #6: _SpecGlossMap (low 2d) 0x0 [-1] loc 6
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// #7: _ShadowMapTexture (low 2d) 0x0 [-1] loc 7
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// #8: _SpecCube (low cube) 0x0 [-1] loc 8
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// #9: unity_Lightmap (low 2d) 0x0 [-1] loc 9
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// #10: unity_LightmapInd (low 2d) 0x0 [-1] loc 10
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// #11: _SelfIllum (low 2d) 0x0 [-1] loc 11
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