mirror of
https://github.com/scratchfoundation/bgfx.git
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583 lines
13 KiB
Text
583 lines
13 KiB
Text
#extension GL_ARB_shader_texture_lod : enable
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varying vec2 xlv_TEXCOORD0;
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uniform vec4 _MainTex_TexelSize;
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uniform sampler2D _MainTex;
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vec4 xll_tex2Dlod (
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in sampler2D s,
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in vec4 coord
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)
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{
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vec4 tmpvar_1;
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tmpvar_1 = texture2DLod (s, coord.xy, coord.w);
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return tmpvar_1;
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}
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vec4 FxaaTexOff (
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in sampler2D tex,
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in vec2 pos,
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in vec2 off,
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in vec2 rcpFrame
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)
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{
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vec4 tmpvar_1;
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tmpvar_1.zw = vec2(0.0, 0.0);
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tmpvar_1.xy = (pos.xy + (off * rcpFrame)).xy;
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vec4 tmpvar_2;
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tmpvar_2 = xll_tex2Dlod (tex, tmpvar_1);
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return tmpvar_2;
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}
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vec4 FxaaTexLod0 (
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in sampler2D tex,
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in vec2 pos
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)
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{
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vec4 tmpvar_1;
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tmpvar_1.zw = vec2(0.0, 0.0);
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tmpvar_1.xy = pos.xy.xy;
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vec4 tmpvar_2;
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tmpvar_2 = xll_tex2Dlod (tex, tmpvar_1);
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return tmpvar_2;
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}
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float FxaaLuma (
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in vec3 rgb
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)
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{
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return ((rgb.y * 1.96321) + rgb.x);
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}
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vec3 FxaaLerp3 (
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in vec3 a,
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in vec3 b,
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in float amountOfA
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)
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{
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vec3 tmpvar_1;
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tmpvar_1.x = -(amountOfA);
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tmpvar_1.y = -(amountOfA);
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tmpvar_1.z = -(amountOfA);
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vec3 tmpvar_2;
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tmpvar_2.x = amountOfA;
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tmpvar_2.y = amountOfA;
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tmpvar_2.z = amountOfA;
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return ((tmpvar_1 * b) + ((a * tmpvar_2) + b));
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}
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vec3 FxaaFilterReturn (
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in vec3 rgb
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)
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{
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return rgb;
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}
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vec3 FxaaPixelShader (
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in vec2 pos,
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in sampler2D tex,
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in vec2 rcpFrame
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)
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{
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vec3 rgbF;
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float subPixelOffset;
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float spanLength;
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bool directionN;
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float dstP;
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float dstN;
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int i;
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bool doneP;
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bool doneN;
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float lumaEndP;
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float lumaEndN;
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vec2 offNP;
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vec2 posP;
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vec2 posN;
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bool pairN;
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float gradientS;
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float gradientN;
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float lengthSign;
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bool horzSpan;
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float edgeHorz;
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float edgeVert;
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float lumaSE;
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float lumaSW;
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float lumaNE;
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float lumaNW;
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vec3 rgbSE;
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vec3 rgbSW;
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vec3 rgbNE;
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vec3 rgbNW;
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float blendL;
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float rangeL;
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float lumaL;
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vec3 rgbL;
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float range;
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float rangeMax;
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float rangeMin;
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float lumaS;
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float lumaE;
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float lumaM;
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float lumaW;
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float lumaN;
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vec3 rgbS;
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vec3 rgbE;
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vec3 rgbM;
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vec3 rgbW;
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vec3 rgbN;
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bool tmpvar_1;
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tmpvar_1 = bool(0);
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doneN = tmpvar_1;
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bool tmpvar_2;
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tmpvar_2 = bool(0);
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doneP = tmpvar_2;
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int tmpvar_3;
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tmpvar_3 = 0;
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i = tmpvar_3;
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vec4 tmpvar_4;
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tmpvar_4 = FxaaTexOff (tex, pos.xy, vec2(0.0, -1.0), rcpFrame);
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vec3 tmpvar_5;
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tmpvar_5 = tmpvar_4.xyz;
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rgbN = tmpvar_5;
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vec4 tmpvar_6;
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tmpvar_6 = FxaaTexOff (tex, pos.xy, vec2(-1.0, 0.0), rcpFrame);
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vec3 tmpvar_7;
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tmpvar_7 = tmpvar_6.xyz;
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rgbW = tmpvar_7;
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vec4 tmpvar_8;
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tmpvar_8 = FxaaTexOff (tex, pos.xy, vec2(0.0, 0.0), rcpFrame);
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vec3 tmpvar_9;
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tmpvar_9 = tmpvar_8.xyz;
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rgbM = tmpvar_9;
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vec4 tmpvar_10;
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tmpvar_10 = FxaaTexOff (tex, pos.xy, vec2(1.0, 0.0), rcpFrame);
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vec3 tmpvar_11;
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tmpvar_11 = tmpvar_10.xyz;
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rgbE = tmpvar_11;
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vec4 tmpvar_12;
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tmpvar_12 = FxaaTexOff (tex, pos.xy, vec2(0.0, 1.0), rcpFrame);
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vec3 tmpvar_13;
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tmpvar_13 = tmpvar_12.xyz;
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rgbS = tmpvar_13;
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float tmpvar_14;
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tmpvar_14 = FxaaLuma (rgbN);
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float tmpvar_15;
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tmpvar_15 = tmpvar_14;
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lumaN = tmpvar_15;
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float tmpvar_16;
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tmpvar_16 = FxaaLuma (rgbW);
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float tmpvar_17;
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tmpvar_17 = tmpvar_16;
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lumaW = tmpvar_17;
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float tmpvar_18;
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tmpvar_18 = FxaaLuma (rgbM);
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float tmpvar_19;
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tmpvar_19 = tmpvar_18;
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lumaM = tmpvar_19;
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float tmpvar_20;
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tmpvar_20 = FxaaLuma (rgbE);
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float tmpvar_21;
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tmpvar_21 = tmpvar_20;
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lumaE = tmpvar_21;
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float tmpvar_22;
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tmpvar_22 = FxaaLuma (rgbS);
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float tmpvar_23;
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tmpvar_23 = tmpvar_22;
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lumaS = tmpvar_23;
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float tmpvar_24;
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tmpvar_24 = min (lumaN, lumaW);
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float tmpvar_25;
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tmpvar_25 = min (lumaS, lumaE);
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float tmpvar_26;
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tmpvar_26 = min (tmpvar_24, tmpvar_25);
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float tmpvar_27;
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tmpvar_27 = min (lumaM, tmpvar_26);
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float tmpvar_28;
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tmpvar_28 = tmpvar_27;
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rangeMin = tmpvar_28;
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float tmpvar_29;
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tmpvar_29 = max (lumaN, lumaW);
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float tmpvar_30;
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tmpvar_30 = max (lumaS, lumaE);
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float tmpvar_31;
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tmpvar_31 = max (tmpvar_29, tmpvar_30);
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float tmpvar_32;
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tmpvar_32 = max (lumaM, tmpvar_31);
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float tmpvar_33;
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tmpvar_33 = tmpvar_32;
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rangeMax = tmpvar_33;
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float tmpvar_34;
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tmpvar_34 = (rangeMax - rangeMin);
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range = tmpvar_34;
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float tmpvar_35;
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tmpvar_35 = max (0.0416667, (rangeMax * 0.125));
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if ((range < tmpvar_35)) {
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vec3 tmpvar_36;
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tmpvar_36 = FxaaFilterReturn (rgbM);
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return tmpvar_36;
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};
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vec3 tmpvar_37;
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tmpvar_37 = ((((rgbN + rgbW) + rgbM) + rgbE) + rgbS);
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rgbL = tmpvar_37;
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float tmpvar_38;
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tmpvar_38 = ((((lumaN + lumaW) + lumaE) + lumaS) * 0.25);
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lumaL = tmpvar_38;
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float tmpvar_39;
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tmpvar_39 = abs ((lumaL - lumaM));
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float tmpvar_40;
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tmpvar_40 = tmpvar_39;
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rangeL = tmpvar_40;
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float tmpvar_41;
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tmpvar_41 = max (0.0, ((rangeL / range) - 0.25));
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float tmpvar_42;
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tmpvar_42 = (tmpvar_41 * 1.33333);
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blendL = tmpvar_42;
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float tmpvar_43;
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tmpvar_43 = min (0.75, blendL);
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float tmpvar_44;
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tmpvar_44 = tmpvar_43;
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blendL = tmpvar_44;
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vec4 tmpvar_45;
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tmpvar_45 = FxaaTexOff (tex, pos.xy, vec2(-1.0, -1.0), rcpFrame);
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vec3 tmpvar_46;
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tmpvar_46 = tmpvar_45.xyz;
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rgbNW = tmpvar_46;
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vec4 tmpvar_47;
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tmpvar_47 = FxaaTexOff (tex, pos.xy, vec2(1.0, -1.0), rcpFrame);
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vec3 tmpvar_48;
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tmpvar_48 = tmpvar_47.xyz;
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rgbNE = tmpvar_48;
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vec4 tmpvar_49;
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tmpvar_49 = FxaaTexOff (tex, pos.xy, vec2(-1.0, 1.0), rcpFrame);
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vec3 tmpvar_50;
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tmpvar_50 = tmpvar_49.xyz;
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rgbSW = tmpvar_50;
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vec4 tmpvar_51;
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tmpvar_51 = FxaaTexOff (tex, pos.xy, vec2(1.0, 1.0), rcpFrame);
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vec3 tmpvar_52;
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tmpvar_52 = tmpvar_51.xyz;
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rgbSE = tmpvar_52;
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vec3 tmpvar_53;
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tmpvar_53 = (rgbL + (((rgbNW + rgbNE) + rgbSW) + rgbSE));
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rgbL = tmpvar_53;
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vec3 tmpvar_54;
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tmpvar_54 = (rgbL * vec3(0.111111, 0.111111, 0.111111));
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rgbL = tmpvar_54;
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float tmpvar_55;
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tmpvar_55 = FxaaLuma (rgbNW);
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float tmpvar_56;
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tmpvar_56 = tmpvar_55;
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lumaNW = tmpvar_56;
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float tmpvar_57;
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tmpvar_57 = FxaaLuma (rgbNE);
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float tmpvar_58;
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tmpvar_58 = tmpvar_57;
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lumaNE = tmpvar_58;
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float tmpvar_59;
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tmpvar_59 = FxaaLuma (rgbSW);
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float tmpvar_60;
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tmpvar_60 = tmpvar_59;
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lumaSW = tmpvar_60;
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float tmpvar_61;
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tmpvar_61 = FxaaLuma (rgbSE);
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float tmpvar_62;
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tmpvar_62 = tmpvar_61;
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lumaSE = tmpvar_62;
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float tmpvar_63;
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tmpvar_63 = abs ((((0.25 * lumaNW) + (-(0.5) * lumaN)) + (0.25 * lumaNE)));
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float tmpvar_64;
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tmpvar_64 = abs ((((0.5 * lumaW) + (-(1.0) * lumaM)) + (0.5 * lumaE)));
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float tmpvar_65;
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tmpvar_65 = abs ((((0.25 * lumaSW) + (-(0.5) * lumaS)) + (0.25 * lumaSE)));
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float tmpvar_66;
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tmpvar_66 = ((tmpvar_63 + tmpvar_64) + tmpvar_65);
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edgeVert = tmpvar_66;
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float tmpvar_67;
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tmpvar_67 = abs ((((0.25 * lumaNW) + (-(0.5) * lumaW)) + (0.25 * lumaSW)));
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float tmpvar_68;
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tmpvar_68 = abs ((((0.5 * lumaN) + (-(1.0) * lumaM)) + (0.5 * lumaS)));
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float tmpvar_69;
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tmpvar_69 = abs ((((0.25 * lumaNE) + (-(0.5) * lumaE)) + (0.25 * lumaSE)));
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float tmpvar_70;
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tmpvar_70 = ((tmpvar_67 + tmpvar_68) + tmpvar_69);
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edgeHorz = tmpvar_70;
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bool tmpvar_71;
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tmpvar_71 = (edgeHorz >= edgeVert);
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horzSpan = tmpvar_71;
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float tmpvar_72;
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if (horzSpan) {
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tmpvar_72 = -(rcpFrame.y);
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} else {
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tmpvar_72 = -(rcpFrame.x);
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};
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float tmpvar_73;
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tmpvar_73 = tmpvar_72;
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lengthSign = tmpvar_73;
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if (!(horzSpan)) {
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float tmpvar_74;
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tmpvar_74 = lumaW;
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lumaN = tmpvar_74;
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};
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if (!(horzSpan)) {
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float tmpvar_75;
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tmpvar_75 = lumaE;
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lumaS = tmpvar_75;
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};
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float tmpvar_76;
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tmpvar_76 = abs ((lumaN - lumaM));
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float tmpvar_77;
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tmpvar_77 = tmpvar_76;
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gradientN = tmpvar_77;
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float tmpvar_78;
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tmpvar_78 = abs ((lumaS - lumaM));
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float tmpvar_79;
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tmpvar_79 = tmpvar_78;
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gradientS = tmpvar_79;
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float tmpvar_80;
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tmpvar_80 = ((lumaN + lumaM) * 0.5);
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lumaN = tmpvar_80;
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float tmpvar_81;
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tmpvar_81 = ((lumaS + lumaM) * 0.5);
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lumaS = tmpvar_81;
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bool tmpvar_82;
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tmpvar_82 = (gradientN >= gradientS);
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pairN = tmpvar_82;
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if (!(pairN)) {
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float tmpvar_83;
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tmpvar_83 = lumaS;
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lumaN = tmpvar_83;
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};
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if (!(pairN)) {
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float tmpvar_84;
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tmpvar_84 = gradientS;
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gradientN = tmpvar_84;
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};
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if (!(pairN)) {
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float tmpvar_85;
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tmpvar_85 = (lengthSign * -(1.0));
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lengthSign = tmpvar_85;
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};
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float tmpvar_86;
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if (horzSpan) {
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tmpvar_86 = 0.0;
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} else {
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tmpvar_86 = (lengthSign * 0.5);
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};
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float tmpvar_87;
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tmpvar_87 = (pos.x + tmpvar_86);
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posN.x = tmpvar_87;
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float tmpvar_88;
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if (horzSpan) {
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tmpvar_88 = (lengthSign * 0.5);
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} else {
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tmpvar_88 = 0.0;
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};
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float tmpvar_89;
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tmpvar_89 = (pos.y + tmpvar_88);
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posN.y = vec2(tmpvar_89).y;
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float tmpvar_90;
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tmpvar_90 = (gradientN * 0.25);
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gradientN = tmpvar_90;
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vec2 tmpvar_91;
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tmpvar_91 = posN;
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posP = tmpvar_91;
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vec2 tmpvar_92;
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if (horzSpan) {
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vec2 tmpvar_93;
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tmpvar_93.y = 0.0;
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tmpvar_93.x = rcpFrame.x;
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tmpvar_92 = tmpvar_93;
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} else {
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vec2 tmpvar_94;
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tmpvar_94.x = 0.0;
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tmpvar_94.y = rcpFrame.y;
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tmpvar_92 = tmpvar_94;
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};
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vec2 tmpvar_95;
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tmpvar_95 = tmpvar_92;
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offNP = tmpvar_95;
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float tmpvar_96;
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tmpvar_96 = lumaN;
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lumaEndN = tmpvar_96;
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float tmpvar_97;
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tmpvar_97 = lumaN;
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lumaEndP = tmpvar_97;
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vec2 tmpvar_98;
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tmpvar_98 = (posN + (offNP * vec2(-1.0, -1.0)));
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posN = tmpvar_98;
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vec2 tmpvar_99;
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tmpvar_99 = (posP + (offNP * vec2(1.0, 1.0)));
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posP = tmpvar_99;
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while (true) {
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if (!((i < 16))) {
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break;
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};
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if (!(doneN)) {
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vec4 tmpvar_100;
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tmpvar_100 = FxaaTexLod0 (tex, posN.xy);
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float tmpvar_101;
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tmpvar_101 = FxaaLuma (tmpvar_100.xyz);
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float tmpvar_102;
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tmpvar_102 = tmpvar_101;
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lumaEndN = tmpvar_102;
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};
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if (!(doneP)) {
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vec4 tmpvar_103;
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tmpvar_103 = FxaaTexLod0 (tex, posP.xy);
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float tmpvar_104;
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tmpvar_104 = FxaaLuma (tmpvar_103.xyz);
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float tmpvar_105;
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tmpvar_105 = tmpvar_104;
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lumaEndP = tmpvar_105;
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};
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bool tmpvar_106;
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if (doneN) {
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tmpvar_106 = bool(1);
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} else {
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float tmpvar_107;
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tmpvar_107 = abs ((lumaEndN - lumaN));
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tmpvar_106 = (tmpvar_107 >= gradientN);
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};
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bool tmpvar_108;
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tmpvar_108 = tmpvar_106;
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doneN = tmpvar_108;
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bool tmpvar_109;
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if (doneP) {
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tmpvar_109 = bool(1);
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} else {
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float tmpvar_110;
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tmpvar_110 = abs ((lumaEndP - lumaN));
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tmpvar_109 = (tmpvar_110 >= gradientN);
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};
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bool tmpvar_111;
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tmpvar_111 = tmpvar_109;
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doneP = tmpvar_111;
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bool tmpvar_112;
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if (doneN) {
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tmpvar_112 = doneP;
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} else {
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tmpvar_112 = bool(0);
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};
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if (tmpvar_112) {
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break;
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};
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if (!(doneN)) {
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vec2 tmpvar_113;
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tmpvar_113 = (posN - offNP);
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posN = tmpvar_113;
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};
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if (!(doneP)) {
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vec2 tmpvar_114;
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tmpvar_114 = (posP + offNP);
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posP = tmpvar_114;
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};
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int _post_incdec_tmp;
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_post_incdec_tmp = i;
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int tmpvar_115;
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tmpvar_115 = (i + 1);
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i = tmpvar_115;
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};
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float tmpvar_116;
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if (horzSpan) {
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tmpvar_116 = (pos.x - posN.x);
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} else {
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tmpvar_116 = (pos.y - posN.y);
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};
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float tmpvar_117;
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tmpvar_117 = tmpvar_116;
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dstN = tmpvar_117;
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float tmpvar_118;
|
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if (horzSpan) {
|
|
tmpvar_118 = (posP.x - pos.x);
|
|
} else {
|
|
tmpvar_118 = (posP.y - pos.y);
|
|
};
|
|
float tmpvar_119;
|
|
tmpvar_119 = tmpvar_118;
|
|
dstP = tmpvar_119;
|
|
bool tmpvar_120;
|
|
tmpvar_120 = (dstN < dstP);
|
|
directionN = tmpvar_120;
|
|
float tmpvar_121;
|
|
if (directionN) {
|
|
tmpvar_121 = lumaEndN;
|
|
} else {
|
|
tmpvar_121 = lumaEndP;
|
|
};
|
|
float tmpvar_122;
|
|
tmpvar_122 = tmpvar_121;
|
|
lumaEndN = tmpvar_122;
|
|
if ((((lumaM - lumaN) < 0.0) == ((lumaEndN - lumaN) < 0.0))) {
|
|
float tmpvar_123;
|
|
tmpvar_123 = 0.0;
|
|
lengthSign = tmpvar_123;
|
|
};
|
|
float tmpvar_124;
|
|
tmpvar_124 = (dstP + dstN);
|
|
spanLength = tmpvar_124;
|
|
float tmpvar_125;
|
|
if (directionN) {
|
|
tmpvar_125 = dstN;
|
|
} else {
|
|
tmpvar_125 = dstP;
|
|
};
|
|
float tmpvar_126;
|
|
tmpvar_126 = tmpvar_125;
|
|
dstN = tmpvar_126;
|
|
float tmpvar_127;
|
|
tmpvar_127 = ((0.5 + (dstN * (-(1.0) / spanLength))) * lengthSign);
|
|
subPixelOffset = tmpvar_127;
|
|
float tmpvar_128;
|
|
if (horzSpan) {
|
|
tmpvar_128 = 0.0;
|
|
} else {
|
|
tmpvar_128 = subPixelOffset;
|
|
};
|
|
float tmpvar_129;
|
|
if (horzSpan) {
|
|
tmpvar_129 = subPixelOffset;
|
|
} else {
|
|
tmpvar_129 = 0.0;
|
|
};
|
|
vec2 tmpvar_130;
|
|
tmpvar_130.x = (pos.x + tmpvar_128);
|
|
tmpvar_130.y = (pos.y + tmpvar_129);
|
|
vec4 tmpvar_131;
|
|
tmpvar_131 = FxaaTexLod0 (tex, tmpvar_130);
|
|
vec3 tmpvar_132;
|
|
tmpvar_132 = tmpvar_131.xyz;
|
|
rgbF = tmpvar_132;
|
|
vec3 tmpvar_133;
|
|
tmpvar_133 = FxaaLerp3 (rgbL, rgbF, blendL);
|
|
vec3 tmpvar_134;
|
|
tmpvar_134 = FxaaFilterReturn (tmpvar_133);
|
|
return tmpvar_134;
|
|
}
|
|
|
|
vec4 xlat_main (
|
|
in vec2 uv
|
|
)
|
|
{
|
|
vec3 tmpvar_1;
|
|
tmpvar_1 = FxaaPixelShader (uv.xy, _MainTex, _MainTex_TexelSize.xy);
|
|
vec4 tmpvar_2;
|
|
tmpvar_2.w = 0.0;
|
|
tmpvar_2.xyz = tmpvar_1.xyz.xyz;
|
|
return tmpvar_2;
|
|
}
|
|
|
|
void main ()
|
|
{
|
|
vec4 xl_retval;
|
|
vec2 tmpvar_1;
|
|
tmpvar_1 = xlv_TEXCOORD0.xy;
|
|
vec4 tmpvar_2;
|
|
tmpvar_2 = xlat_main (tmpvar_1);
|
|
vec4 tmpvar_3;
|
|
tmpvar_3 = tmpvar_2;
|
|
xl_retval = tmpvar_3;
|
|
vec4 tmpvar_4;
|
|
tmpvar_4 = xl_retval.xyzw;
|
|
vec4 tmpvar_5;
|
|
tmpvar_5 = tmpvar_4;
|
|
gl_FragData[0] = tmpvar_5;
|
|
}
|
|
|