mirror of
https://github.com/scratchfoundation/bgfx.git
synced 2024-11-25 17:18:12 -05:00
75 lines
1.5 KiB
Text
75 lines
1.5 KiB
Text
struct v2f_img {
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vec4 pos;
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vec2 uv;
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};
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uniform sampler2D _RampTex;
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uniform float _RampOffset;
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uniform sampler2D _MainTex;
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float Luminance (
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in vec3 c_1
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)
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{
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float tmpvar_2;
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tmpvar_2 = dot (c_1, vec3(0.22, 0.707, 0.071));
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return tmpvar_2;
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}
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vec4 frag (
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in v2f_img i_3
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)
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{
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vec4 xlat_var_output_4;
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vec2 remap_5;
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float grayscale_6;
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vec4 original_7;
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vec4 tmpvar_8;
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tmpvar_8 = texture2D (_MainTex, i_3.uv);
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vec4 tmpvar_9;
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tmpvar_9 = tmpvar_8;
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original_7 = tmpvar_9;
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float tmpvar_10;
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tmpvar_10 = Luminance (original_7.xyz);
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float tmpvar_11;
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tmpvar_11 = tmpvar_10;
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grayscale_6 = tmpvar_11;
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vec2 tmpvar_12;
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tmpvar_12.y = 0.5;
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tmpvar_12.x = (grayscale_6 + _RampOffset);
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vec2 tmpvar_13;
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tmpvar_13 = tmpvar_12;
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remap_5 = tmpvar_13;
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vec4 tmpvar_14;
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tmpvar_14 = texture2D (_RampTex, remap_5);
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vec4 tmpvar_15;
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tmpvar_15 = tmpvar_14;
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xlat_var_output_4 = tmpvar_15;
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float tmpvar_16;
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tmpvar_16 = original_7.w;
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xlat_var_output_4.w = vec4(tmpvar_16).w;
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return xlat_var_output_4;
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}
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void main ()
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{
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v2f_img xlt_i_17;
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vec4 xl_retval_18;
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vec4 tmpvar_19;
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tmpvar_19 = vec4(0.0, 0.0, 0.0, 0.0);
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xlt_i_17.pos = tmpvar_19;
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vec2 tmpvar_20;
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tmpvar_20 = gl_TexCoord[0].xy;
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vec2 tmpvar_21;
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tmpvar_21 = tmpvar_20;
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xlt_i_17.uv = tmpvar_21;
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vec4 tmpvar_22;
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tmpvar_22 = frag (xlt_i_17);
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vec4 tmpvar_23;
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tmpvar_23 = tmpvar_22;
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xl_retval_18 = tmpvar_23;
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vec4 tmpvar_24;
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tmpvar_24 = xl_retval_18.xyzw;
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vec4 tmpvar_25;
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tmpvar_25 = tmpvar_24;
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gl_FragData[0] = tmpvar_25;
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}
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