mirror of
https://github.com/scratchfoundation/bgfx.git
synced 2025-02-17 20:31:57 -05:00
285 lines
8.7 KiB
Text
285 lines
8.7 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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void main ()
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{
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vec3 tmpvar_1;
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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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float gradientN;
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float lengthSign;
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float lumaS;
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float lumaN;
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doneN = bool(0);
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doneP = bool(0);
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i = 0;
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vec4 tmpvar_2;
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tmpvar_2.zw = vec2(0.0, 0.0);
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tmpvar_2.xy = (xlv_TEXCOORD0 + (vec2(0.0, -1.0) * _MainTex_TexelSize.xy));
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vec4 tmpvar_3;
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tmpvar_3 = texture2DLod (_MainTex, tmpvar_2.xy, 0.0);
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vec4 tmpvar_4;
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tmpvar_4.zw = vec2(0.0, 0.0);
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tmpvar_4.xy = (xlv_TEXCOORD0 + (vec2(-1.0, 0.0) * _MainTex_TexelSize.xy));
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vec4 tmpvar_5;
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tmpvar_5 = texture2DLod (_MainTex, tmpvar_4.xy, 0.0);
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vec4 tmpvar_6;
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tmpvar_6.zw = vec2(0.0, 0.0);
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tmpvar_6.xy = xlv_TEXCOORD0;
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vec4 tmpvar_7;
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tmpvar_7 = texture2DLod (_MainTex, tmpvar_6.xy, 0.0);
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vec4 tmpvar_8;
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tmpvar_8.zw = vec2(0.0, 0.0);
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tmpvar_8.xy = (xlv_TEXCOORD0 + (vec2(1.0, 0.0) * _MainTex_TexelSize.xy));
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vec4 tmpvar_9;
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tmpvar_9 = texture2DLod (_MainTex, tmpvar_8.xy, 0.0);
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vec4 tmpvar_10;
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tmpvar_10.zw = vec2(0.0, 0.0);
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tmpvar_10.xy = (xlv_TEXCOORD0 + (vec2(0.0, 1.0) * _MainTex_TexelSize.xy));
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vec4 tmpvar_11;
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tmpvar_11 = texture2DLod (_MainTex, tmpvar_10.xy, 0.0);
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float tmpvar_12;
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tmpvar_12 = ((tmpvar_3.y * 1.96321) + tmpvar_3.x);
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lumaN = tmpvar_12;
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float tmpvar_13;
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tmpvar_13 = ((tmpvar_5.y * 1.96321) + tmpvar_5.x);
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float tmpvar_14;
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tmpvar_14 = ((tmpvar_7.y * 1.96321) + tmpvar_7.x);
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float tmpvar_15;
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tmpvar_15 = ((tmpvar_9.y * 1.96321) + tmpvar_9.x);
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float tmpvar_16;
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tmpvar_16 = ((tmpvar_11.y * 1.96321) + tmpvar_11.x);
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lumaS = tmpvar_16;
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float tmpvar_17;
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tmpvar_17 = max (tmpvar_14, max (max (tmpvar_12, tmpvar_13), max (tmpvar_16, tmpvar_15)));
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float tmpvar_18;
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tmpvar_18 = (tmpvar_17 - min (tmpvar_14, min (min (tmpvar_12, tmpvar_13), min (tmpvar_16, tmpvar_15))));
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float tmpvar_19;
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tmpvar_19 = max (0.0416667, (tmpvar_17 * 0.125));
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if ((tmpvar_18 < tmpvar_19)) {
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tmpvar_1 = tmpvar_7.xyz;
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} else {
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float tmpvar_20;
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tmpvar_20 = min (0.75, (max (0.0, ((abs ((((((tmpvar_12 + tmpvar_13) + tmpvar_15) + tmpvar_16) * 0.25) - tmpvar_14)) / tmpvar_18) - 0.25)) * 1.33333));
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vec4 tmpvar_21;
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tmpvar_21.zw = vec2(0.0, 0.0);
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tmpvar_21.xy = (xlv_TEXCOORD0 + (vec2(-1.0, -1.0) * _MainTex_TexelSize.xy));
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vec4 tmpvar_22;
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tmpvar_22 = texture2DLod (_MainTex, tmpvar_21.xy, 0.0);
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vec4 tmpvar_23;
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tmpvar_23.zw = vec2(0.0, 0.0);
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tmpvar_23.xy = (xlv_TEXCOORD0 + (vec2(1.0, -1.0) * _MainTex_TexelSize.xy));
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vec4 tmpvar_24;
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tmpvar_24 = texture2DLod (_MainTex, tmpvar_23.xy, 0.0);
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vec4 tmpvar_25;
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tmpvar_25.zw = vec2(0.0, 0.0);
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tmpvar_25.xy = (xlv_TEXCOORD0 + (vec2(-1.0, 1.0) * _MainTex_TexelSize.xy));
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vec4 tmpvar_26;
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tmpvar_26 = texture2DLod (_MainTex, tmpvar_25.xy, 0.0);
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vec4 tmpvar_27;
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tmpvar_27.zw = vec2(0.0, 0.0);
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tmpvar_27.xy = (xlv_TEXCOORD0 + _MainTex_TexelSize.xy);
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vec4 tmpvar_28;
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tmpvar_28 = texture2DLod (_MainTex, tmpvar_27.xy, 0.0);
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vec3 tmpvar_29;
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tmpvar_29 = ((((((tmpvar_3.xyz + tmpvar_5.xyz) + tmpvar_7.xyz) + tmpvar_9.xyz) + tmpvar_11.xyz) + (((tmpvar_22.xyz + tmpvar_24.xyz) + tmpvar_26.xyz) + tmpvar_28.xyz)) * vec3(0.111111, 0.111111, 0.111111));
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float tmpvar_30;
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tmpvar_30 = ((tmpvar_22.y * 1.96321) + tmpvar_22.x);
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float tmpvar_31;
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tmpvar_31 = ((tmpvar_24.y * 1.96321) + tmpvar_24.x);
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float tmpvar_32;
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tmpvar_32 = ((tmpvar_26.y * 1.96321) + tmpvar_26.x);
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float tmpvar_33;
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tmpvar_33 = ((tmpvar_28.y * 1.96321) + tmpvar_28.x);
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bool tmpvar_34;
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tmpvar_34 = (((abs ((((0.25 * tmpvar_30) + (-(0.5) * tmpvar_13)) + (0.25 * tmpvar_32))) + abs ((((0.5 * tmpvar_12) + (-(1.0) * tmpvar_14)) + (0.5 * tmpvar_16)))) + abs ((((0.25 * tmpvar_31) + (-(0.5) * tmpvar_15)) + (0.25 * tmpvar_33)))) >= ((abs ((((0.25 * tmpvar_30) + (-(0.5) * tmpvar_12)) + (0.25 * tmpvar_31))) + abs ((((0.5 * tmpvar_13) + (-(1.0) * tmpvar_14)) + (0.5 * tmpvar_15)))) + abs ((((0.25 * tmpvar_32) + (-(0.5) * tmpvar_16)) + (0.25 * tmpvar_33)))));
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float tmpvar_35;
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if (tmpvar_34) {
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tmpvar_35 = -(_MainTex_TexelSize.y);
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} else {
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tmpvar_35 = -(_MainTex_TexelSize.x);
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};
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lengthSign = tmpvar_35;
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if (!(tmpvar_34)) {
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lumaN = tmpvar_13;
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};
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if (!(tmpvar_34)) {
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lumaS = tmpvar_15;
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};
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float tmpvar_36;
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tmpvar_36 = abs ((lumaN - tmpvar_14));
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gradientN = tmpvar_36;
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float tmpvar_37;
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tmpvar_37 = abs ((lumaS - tmpvar_14));
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lumaN = ((lumaN + tmpvar_14) * 0.5);
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float tmpvar_38;
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tmpvar_38 = ((lumaS + tmpvar_14) * 0.5);
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lumaS = tmpvar_38;
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bool tmpvar_39;
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tmpvar_39 = (tmpvar_36 >= tmpvar_37);
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if (!(tmpvar_39)) {
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lumaN = tmpvar_38;
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};
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if (!(tmpvar_39)) {
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gradientN = tmpvar_37;
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};
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if (!(tmpvar_39)) {
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lengthSign = (tmpvar_35 * -1.0);
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};
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float tmpvar_40;
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if (tmpvar_34) {
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tmpvar_40 = 0.0;
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} else {
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tmpvar_40 = (lengthSign * 0.5);
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};
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posN.x = (xlv_TEXCOORD0.x + tmpvar_40);
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float tmpvar_41;
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if (tmpvar_34) {
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tmpvar_41 = (lengthSign * 0.5);
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} else {
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tmpvar_41 = 0.0;
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};
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posN.y = (xlv_TEXCOORD0.y + tmpvar_41);
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gradientN = (gradientN * 0.25);
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posP = posN;
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vec2 tmpvar_42;
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if (tmpvar_34) {
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vec2 tmpvar_43;
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tmpvar_43.y = 0.0;
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tmpvar_43.x = _MainTex_TexelSize.x;
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tmpvar_42 = tmpvar_43;
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} else {
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vec2 tmpvar_44;
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tmpvar_44.x = 0.0;
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tmpvar_44.y = _MainTex_TexelSize.y;
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tmpvar_42 = tmpvar_44;
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};
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offNP = tmpvar_42;
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lumaEndN = lumaN;
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lumaEndP = lumaN;
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posN = (posN + (tmpvar_42 * vec2(-1.0, -1.0)));
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posP = (posP + tmpvar_42);
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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_45;
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tmpvar_45.zw = vec2(0.0, 0.0);
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tmpvar_45.xy = posN;
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vec4 tmpvar_46;
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tmpvar_46 = texture2DLod (_MainTex, tmpvar_45.xy, 0.0);
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lumaEndN = ((tmpvar_46.y * 1.96321) + tmpvar_46.x);
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};
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if (!(doneP)) {
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vec4 tmpvar_47;
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tmpvar_47.zw = vec2(0.0, 0.0);
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tmpvar_47.xy = posP;
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vec4 tmpvar_48;
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tmpvar_48 = texture2DLod (_MainTex, tmpvar_47.xy, 0.0);
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lumaEndP = ((tmpvar_48.y * 1.96321) + tmpvar_48.x);
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};
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bool tmpvar_49;
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if (doneN) {
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tmpvar_49 = bool(1);
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} else {
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tmpvar_49 = (abs ((lumaEndN - lumaN)) >= gradientN);
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};
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doneN = tmpvar_49;
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bool tmpvar_50;
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if (doneP) {
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tmpvar_50 = bool(1);
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} else {
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tmpvar_50 = (abs ((lumaEndP - lumaN)) >= gradientN);
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};
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doneP = tmpvar_50;
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bool tmpvar_51;
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if (tmpvar_49) {
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tmpvar_51 = tmpvar_50;
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} else {
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tmpvar_51 = bool(0);
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};
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if (tmpvar_51) {
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break;
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};
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if (!(tmpvar_49)) {
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posN = (posN - offNP);
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};
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if (!(tmpvar_50)) {
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posP = (posP + offNP);
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};
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i = (i + 1);
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};
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float tmpvar_52;
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if (tmpvar_34) {
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tmpvar_52 = (xlv_TEXCOORD0.x - posN.x);
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} else {
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tmpvar_52 = (xlv_TEXCOORD0.y - posN.y);
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};
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float tmpvar_53;
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if (tmpvar_34) {
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tmpvar_53 = (posP.x - xlv_TEXCOORD0.x);
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} else {
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tmpvar_53 = (posP.y - xlv_TEXCOORD0.y);
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};
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bool tmpvar_54;
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tmpvar_54 = (tmpvar_52 < tmpvar_53);
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float tmpvar_55;
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if (tmpvar_54) {
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tmpvar_55 = lumaEndN;
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} else {
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tmpvar_55 = lumaEndP;
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};
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lumaEndN = tmpvar_55;
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if ((((tmpvar_14 - lumaN) < 0.0) == ((tmpvar_55 - lumaN) < 0.0))) {
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lengthSign = 0.0;
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};
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float tmpvar_56;
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tmpvar_56 = (tmpvar_53 + tmpvar_52);
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float tmpvar_57;
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if (tmpvar_54) {
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tmpvar_57 = tmpvar_52;
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} else {
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tmpvar_57 = tmpvar_53;
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};
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float tmpvar_58;
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tmpvar_58 = ((0.5 + (tmpvar_57 * (-1.0 / tmpvar_56))) * lengthSign);
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float tmpvar_59;
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if (tmpvar_34) {
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tmpvar_59 = 0.0;
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} else {
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tmpvar_59 = tmpvar_58;
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};
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float tmpvar_60;
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if (tmpvar_34) {
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tmpvar_60 = tmpvar_58;
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} else {
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tmpvar_60 = 0.0;
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};
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vec2 tmpvar_61;
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tmpvar_61.x = (xlv_TEXCOORD0.x + tmpvar_59);
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tmpvar_61.y = (xlv_TEXCOORD0.y + tmpvar_60);
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vec4 tmpvar_62;
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tmpvar_62.zw = vec2(0.0, 0.0);
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tmpvar_62.xy = tmpvar_61;
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vec4 tmpvar_63;
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tmpvar_63 = texture2DLod (_MainTex, tmpvar_62.xy, 0.0);
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vec3 tmpvar_64;
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tmpvar_64.x = -(tmpvar_20);
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tmpvar_64.y = -(tmpvar_20);
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tmpvar_64.z = -(tmpvar_20);
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tmpvar_1 = ((tmpvar_64 * tmpvar_63.xyz) + ((tmpvar_29 * vec3(tmpvar_20)) + tmpvar_63.xyz));
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};
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vec4 tmpvar_65;
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tmpvar_65.w = 0.0;
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tmpvar_65.xyz = tmpvar_1;
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gl_FragData[0] = tmpvar_65;
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}
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