mirror of
https://github.com/scratchfoundation/bgfx.git
synced 2024-12-11 00:31:28 -05:00
68 lines
1.7 KiB
Text
68 lines
1.7 KiB
Text
#version 300 es
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uniform highp float uni1;
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uniform mediump vec4 uni4;
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uniform sampler2D tex1;
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uniform lowp vec4 unity_ColorSpaceDouble;
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uniform mediump vec3 _SkyTint;
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uniform mediump float _AtmosphereThickness;
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// global variables that aren't uniforms
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highp float mut_uni1;
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mediump vec4 mut_uni4;
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// global variables that are modified in complex chains of assignments/branches
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highp vec3 kSkyTintInGammaSpace;
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highp float kKrESun;
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highp float kKr4PI;
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highp vec3 SampleDiffuse(in highp vec2 uv)
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{
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mut_uni4.xy = uv;
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return vec3(texture(tex1, mut_uni4.xy));
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}
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lowp vec4 xlat_main(in highp vec4 uv)
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{
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lowp vec4 c = vec4(0.0);
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c.x += mut_uni4.x;
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c.xyz += SampleDiffuse(uv.xy);
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c.z += mut_uni1;
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mut_uni1 += 2.0;
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c.w += mut_uni1;
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mediump vec3 tmpvar_1;
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if ((unity_ColorSpaceDouble.x > 2.0)) {
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tmpvar_1 = pow (_SkyTint, vec3(0.454545, 0.454545, 0.454545));
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} else {
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tmpvar_1 = _SkyTint;
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};
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kSkyTintInGammaSpace = tmpvar_1;
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highp vec3 tmpvar_2;
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tmpvar_2 = (1.0/(pow (mix (vec3(0.5, 0.42, 0.325), vec3(0.8, 0.72, 0.625),
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(vec3(1.0, 1.0, 1.0) - kSkyTintInGammaSpace)
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), vec3(4.0, 4.0, 4.0))));
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mediump float tmpvar_3;
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mediump float cse_4;
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cse_4 = pow (_AtmosphereThickness, 2.5);
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tmpvar_3 = (mix (0.0, 0.0025, cse_4) * 20.0);
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kKrESun = tmpvar_3;
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mediump float tmpvar_5;
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tmpvar_5 = (12.5664 * mix (0.0, 0.0025, cse_4));
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kKr4PI = tmpvar_5;
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if (uv.x > 0.5)
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{
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c.x += pow(kKrESun, kKr4PI);
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}
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return c;
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}
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in highp vec4 var_uv;
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out mediump vec4 out_data;
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void main()
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{
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mut_uni1 = uni1;
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mut_uni4 = uni4;
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lowp vec4 r = xlat_main(var_uv);
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out_data = r;
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}
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