mirror of
https://github.com/scratchfoundation/bgfx.git
synced 2024-11-25 09:08:22 -05:00
128 lines
2.2 KiB
Text
128 lines
2.2 KiB
Text
struct v2f {
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vec4 pos;
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vec2 uv;
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vec4 nz;
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};
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uniform sampler2D _MainTex;
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uniform float _Cutoff;
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void xll_clip (
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in float x
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)
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{
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if ((x < 0.0)) {
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discard;
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};
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}
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vec2 EncodeViewNormalStereo (
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in vec3 n
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)
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{
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vec2 enc;
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float kScale;
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float tmpvar_1;
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tmpvar_1 = 1.7777;
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kScale = tmpvar_1;
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vec2 tmpvar_2;
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tmpvar_2 = (n.xy / (n.z + 1.0));
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enc = tmpvar_2;
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vec2 tmpvar_3;
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tmpvar_3 = (enc / kScale);
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enc = tmpvar_3;
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vec2 tmpvar_4;
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tmpvar_4 = ((enc * 0.5) + 0.5);
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enc = tmpvar_4;
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return enc;
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}
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vec2 EncodeFloatRG (
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in float v
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)
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{
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vec2 enc;
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float kEncodeBit;
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vec2 kEncodeMul;
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vec2 tmpvar_1;
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tmpvar_1 = vec2(1.0, 255.0);
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kEncodeMul = tmpvar_1;
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float tmpvar_2;
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tmpvar_2 = 0.00392157;
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kEncodeBit = tmpvar_2;
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vec2 tmpvar_3;
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tmpvar_3 = (kEncodeMul * v);
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enc = tmpvar_3;
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vec2 tmpvar_4;
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tmpvar_4 = fract (enc);
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vec2 tmpvar_5;
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tmpvar_5 = tmpvar_4;
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enc = tmpvar_5;
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float tmpvar_6;
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tmpvar_6 = (enc.x - (enc.y * kEncodeBit));
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enc.x = tmpvar_6;
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return enc;
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}
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vec4 EncodeDepthNormal (
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in float depth,
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in vec3 normal
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)
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{
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vec4 enc;
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vec2 tmpvar_1;
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tmpvar_1 = EncodeViewNormalStereo (normal);
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vec2 tmpvar_2;
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tmpvar_2 = tmpvar_1;
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enc.xy = tmpvar_2.xy.xy;
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vec2 tmpvar_3;
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tmpvar_3 = EncodeFloatRG (depth);
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vec2 tmpvar_4;
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tmpvar_4 = tmpvar_3;
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enc.zw = tmpvar_4.xxxy.zw;
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return enc;
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}
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vec4 frag (
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in v2f i
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)
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{
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vec4 texcol;
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vec4 tmpvar_1;
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tmpvar_1 = texture2D (_MainTex, i.uv);
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vec4 tmpvar_2;
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tmpvar_2 = tmpvar_1;
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texcol = tmpvar_2;
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xll_clip ((texcol.w - _Cutoff));
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vec4 tmpvar_3;
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tmpvar_3 = EncodeDepthNormal (i.nz.w, i.nz.xyz);
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return tmpvar_3;
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}
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void main ()
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{
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v2f xlt_i;
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vec4 xl_retval;
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vec4 tmpvar_1;
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tmpvar_1 = vec4(0.0, 0.0, 0.0, 0.0);
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xlt_i.pos = tmpvar_1;
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vec2 tmpvar_2;
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tmpvar_2 = gl_TexCoord[0].xy;
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vec2 tmpvar_3;
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tmpvar_3 = tmpvar_2;
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xlt_i.uv = tmpvar_3;
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vec4 tmpvar_4;
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tmpvar_4 = gl_TexCoord[1].xyzw;
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vec4 tmpvar_5;
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tmpvar_5 = tmpvar_4;
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xlt_i.nz = tmpvar_5;
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vec4 tmpvar_6;
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tmpvar_6 = frag (xlt_i);
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vec4 tmpvar_7;
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tmpvar_7 = tmpvar_6;
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xl_retval = tmpvar_7;
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vec4 tmpvar_8;
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tmpvar_8 = xl_retval.xyzw;
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vec4 tmpvar_9;
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tmpvar_9 = tmpvar_8;
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gl_FragData[0] = tmpvar_9;
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}
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