mirror of
https://github.com/scratchfoundation/bgfx.git
synced 2024-12-12 01:01:30 -05:00
144 lines
2.9 KiB
Text
144 lines
2.9 KiB
Text
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struct v2f {
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vec4 pos;
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vec2 uv;
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};
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uniform vec4 _ZBufferParams;
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uniform sampler2D _CameraNormalsTexture;
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uniform sampler2D _CameraDepthTexture;
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float Linear01Depth (
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in float z_1
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)
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{
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return (1.0 / ((_ZBufferParams.x * z_1) + _ZBufferParams.y));
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}
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vec2 EncodeViewNormalStereo (
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in vec3 n_2
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)
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{
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vec2 enc_3;
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float kScale_4;
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float tmpvar_5;
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tmpvar_5 = 1.7777;
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kScale_4 = tmpvar_5;
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vec2 tmpvar_6;
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tmpvar_6 = (n_2.xy / (n_2.z + 1.0));
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enc_3 = tmpvar_6;
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vec2 tmpvar_7;
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tmpvar_7 = (enc_3 / kScale_4);
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enc_3 = tmpvar_7;
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vec2 tmpvar_8;
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tmpvar_8 = ((enc_3 * 0.5) + 0.5);
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enc_3 = tmpvar_8;
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return enc_3;
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}
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vec2 EncodeFloatRG (
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in float v_9
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)
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{
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vec2 enc_10;
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float kEncodeBit_11;
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vec2 kEncodeMul_12;
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vec2 tmpvar_13;
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tmpvar_13 = vec2(1.0, 255.0);
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kEncodeMul_12 = tmpvar_13;
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float tmpvar_14;
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tmpvar_14 = 0.00392157;
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kEncodeBit_11 = tmpvar_14;
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vec2 tmpvar_15;
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tmpvar_15 = (kEncodeMul_12 * v_9);
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enc_10 = tmpvar_15;
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vec2 tmpvar_16;
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tmpvar_16 = fract (enc_10);
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vec2 tmpvar_17;
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tmpvar_17 = tmpvar_16;
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enc_10 = tmpvar_17;
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float tmpvar_18;
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tmpvar_18 = (enc_10.x - (enc_10.y * kEncodeBit_11));
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enc_10.x = tmpvar_18;
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return enc_10;
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}
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vec4 EncodeDepthNormal (
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in float depth_19,
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in vec3 normal_20
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)
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{
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vec4 enc_21;
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vec2 tmpvar_22;
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tmpvar_22 = EncodeViewNormalStereo (normal_20);
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vec2 tmpvar_23;
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tmpvar_23 = tmpvar_22;
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enc_21.xy = tmpvar_23.xy.xy;
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vec2 tmpvar_24;
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tmpvar_24 = EncodeFloatRG (depth_19);
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vec2 tmpvar_25;
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tmpvar_25 = tmpvar_24;
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enc_21.zw = tmpvar_25.xxxy.zw;
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return enc_21;
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}
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vec4 frag (
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in v2f i_26
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)
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{
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vec4 n_27;
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float d_28;
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vec4 tmpvar_29;
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tmpvar_29 = texture2D (_CameraDepthTexture, i_26.uv);
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float tmpvar_30;
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tmpvar_30 = tmpvar_29.x;
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d_28 = tmpvar_30;
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vec4 tmpvar_31;
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tmpvar_31 = texture2D (_CameraNormalsTexture, i_26.uv);
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vec4 tmpvar_32;
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tmpvar_32 = tmpvar_31;
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n_27 = tmpvar_32;
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float tmpvar_33;
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tmpvar_33 = Linear01Depth (d_28);
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float tmpvar_34;
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tmpvar_34 = tmpvar_33;
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d_28 = tmpvar_34;
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vec3 tmpvar_35;
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tmpvar_35 = ((n_27.xyz * 2.0) - 1.0);
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n_27.xyz = tmpvar_35.xyz.xyz;
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float tmpvar_36;
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tmpvar_36 = -(n_27.z);
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n_27.z = vec3(tmpvar_36).z;
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vec4 tmpvar_37;
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if ((d_28 < 0.999985)) {
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vec4 tmpvar_38;
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tmpvar_38 = EncodeDepthNormal (d_28, n_27.xyz);
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tmpvar_37 = tmpvar_38;
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} else {
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tmpvar_37 = vec4(0.5, 0.5, 1.0, 1.0);
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};
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return tmpvar_37;
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}
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void main ()
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{
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v2f xlt_i_39;
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vec4 xl_retval_40;
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vec4 tmpvar_41;
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tmpvar_41 = vec4(0.0, 0.0, 0.0, 0.0);
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xlt_i_39.pos = tmpvar_41;
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vec2 tmpvar_42;
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tmpvar_42 = gl_TexCoord[0].xy;
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vec2 tmpvar_43;
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tmpvar_43 = tmpvar_42;
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xlt_i_39.uv = tmpvar_43;
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vec4 tmpvar_44;
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tmpvar_44 = frag (xlt_i_39);
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vec4 tmpvar_45;
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tmpvar_45 = tmpvar_44;
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xl_retval_40 = tmpvar_45;
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vec4 tmpvar_46;
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tmpvar_46 = xl_retval_40.xyzw;
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vec4 tmpvar_47;
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tmpvar_47 = tmpvar_46;
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gl_FragData[0] = tmpvar_47;
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}
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