mirror of
https://github.com/scratchfoundation/bgfx.git
synced 2024-12-04 21:31:11 -05:00
243 lines
6.8 KiB
Text
243 lines
6.8 KiB
Text
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#version 300 es
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struct v2f_ao {
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highp vec4 pos;
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highp vec2 uv;
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highp vec2 uvr;
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};
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layout(location=0) out mediump vec4 _glesFragData[4];
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uniform highp vec4 _ProjectionParams;
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uniform highp vec2 _NoiseScale;
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uniform highp vec4 _CameraDepthNormalsTexture_ST;
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uniform sampler2D _CameraDepthNormalsTexture;
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uniform sampler2D _RandomTexture;
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uniform highp vec4 _Params;
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in highp vec2 xlv_TEXCOORD0;
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in highp vec2 xlv_TEXCOORD1;
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float xll_saturate_f (
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in float x_1
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)
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{
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float tmpvar_2;
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tmpvar_2 = clamp (x_1, 0.0, 1.0);
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return tmpvar_2;
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}
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float DecodeFloatRG (
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in highp vec2 enc_3
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)
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{
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highp vec2 kDecodeDot_4;
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vec2 tmpvar_5;
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tmpvar_5 = vec2(1.0, 0.00392157);
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kDecodeDot_4 = tmpvar_5;
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highp float tmpvar_6;
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tmpvar_6 = dot (enc_3, kDecodeDot_4);
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return tmpvar_6;
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}
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vec3 DecodeViewNormalStereo (
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in highp vec4 enc4_7
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)
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{
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highp vec3 n_8;
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highp float g_9;
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highp vec3 nn_10;
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highp float kScale_11;
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float tmpvar_12;
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tmpvar_12 = 1.7777;
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kScale_11 = tmpvar_12;
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highp vec3 tmpvar_13;
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tmpvar_13.z = 0.0;
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tmpvar_13.x = (2.0 * kScale_11);
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tmpvar_13.y = (2.0 * kScale_11);
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highp vec3 tmpvar_14;
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tmpvar_14.z = 1.0;
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tmpvar_14.x = -(kScale_11);
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tmpvar_14.y = -(kScale_11);
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highp vec3 tmpvar_15;
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tmpvar_15 = ((enc4_7.xyz * tmpvar_13) + tmpvar_14);
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nn_10 = tmpvar_15;
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highp float tmpvar_16;
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tmpvar_16 = dot (nn_10.xyz, nn_10.xyz);
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highp float tmpvar_17;
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tmpvar_17 = (2.0 / tmpvar_16);
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g_9 = tmpvar_17;
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highp vec2 tmpvar_18;
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tmpvar_18 = (g_9 * nn_10.xy);
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n_8.xy = tmpvar_18.xy.xy;
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highp float tmpvar_19;
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tmpvar_19 = (g_9 - 1.0);
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n_8.z = vec3(tmpvar_19).z;
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return n_8;
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}
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void DecodeDepthNormal (
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in highp vec4 enc_20,
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out highp float depth_21,
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out highp vec3 normal_22
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)
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{
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highp float tmpvar_23;
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tmpvar_23 = DecodeFloatRG (enc_20.zw);
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highp float tmpvar_24;
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tmpvar_24 = tmpvar_23;
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depth_21 = tmpvar_24;
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highp vec3 tmpvar_25;
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tmpvar_25 = DecodeViewNormalStereo (enc_20);
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highp vec3 tmpvar_26;
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tmpvar_26 = tmpvar_25;
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normal_22 = tmpvar_26;
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}
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mediump float frag_ao (
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in v2f_ao i_27,
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in int sampleCount_28,
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in highp vec3 samples_29[8]
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)
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{
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int s_30;
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highp float occ_31;
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highp float scale_32;
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highp float depth_33;
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highp vec3 viewNorm_34;
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highp vec4 depthnormal_35;
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mediump vec3 randN_36;
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lowp vec4 tmpvar_37;
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tmpvar_37 = texture (_RandomTexture, i_27.uvr);
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lowp vec3 tmpvar_38;
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tmpvar_38 = ((tmpvar_37.xyz * 2.0) - 1.0);
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randN_36 = tmpvar_38;
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lowp vec4 tmpvar_39;
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tmpvar_39 = texture (_CameraDepthNormalsTexture, i_27.uv);
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lowp vec4 tmpvar_40;
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tmpvar_40 = tmpvar_39;
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depthnormal_35 = tmpvar_40;
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DecodeDepthNormal (depthnormal_35, depth_33, viewNorm_34);
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highp float tmpvar_41;
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tmpvar_41 = (depth_33 * _ProjectionParams.z);
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depth_33 = tmpvar_41;
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highp float tmpvar_42;
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tmpvar_42 = (_Params.x / depth_33);
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scale_32 = tmpvar_42;
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float tmpvar_43;
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tmpvar_43 = 0.0;
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occ_31 = tmpvar_43;
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int tmpvar_44;
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tmpvar_44 = 0;
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s_30 = tmpvar_44;
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while (true) {
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highp float zd_45;
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highp vec3 sampleN_46;
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highp float sampleD_47;
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highp vec4 sampleND_48;
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highp float sD_49;
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highp vec2 offset_50;
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mediump float flip_51;
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mediump vec3 randomDir_52;
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if (!((s_30 < sampleCount_28))) {
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break;
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};
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highp vec3 tmpvar_53;
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tmpvar_53 = reflect (samples_29[s_30], randN_36);
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highp vec3 tmpvar_54;
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tmpvar_54 = tmpvar_53;
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randomDir_52 = tmpvar_54;
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highp float tmpvar_55;
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tmpvar_55 = dot (viewNorm_34, randomDir_52);
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float tmpvar_56;
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if ((tmpvar_55 < 0.0)) {
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tmpvar_56 = 1.0;
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} else {
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tmpvar_56 = -(1.0);
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};
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float tmpvar_57;
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tmpvar_57 = tmpvar_56;
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flip_51 = tmpvar_57;
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mediump vec3 tmpvar_58;
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tmpvar_58 = (randomDir_52 * -(flip_51));
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randomDir_52 = tmpvar_58;
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highp vec3 tmpvar_59;
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tmpvar_59 = (randomDir_52 + (viewNorm_34 * 0.3));
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randomDir_52 = tmpvar_59;
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highp vec2 tmpvar_60;
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tmpvar_60 = (randomDir_52.xy * scale_32);
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offset_50 = tmpvar_60;
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highp float tmpvar_61;
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tmpvar_61 = (depth_33 - (randomDir_52.z * _Params.x));
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sD_49 = tmpvar_61;
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lowp vec4 tmpvar_62;
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tmpvar_62 = texture (_CameraDepthNormalsTexture, (i_27.uv + offset_50));
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lowp vec4 tmpvar_63;
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tmpvar_63 = tmpvar_62;
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sampleND_48 = tmpvar_63;
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DecodeDepthNormal (sampleND_48, sampleD_47, sampleN_46);
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highp float tmpvar_64;
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tmpvar_64 = (sampleD_47 * _ProjectionParams.z);
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sampleD_47 = tmpvar_64;
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float tmpvar_65;
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tmpvar_65 = xll_saturate_f ((sD_49 - sampleD_47));
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float tmpvar_66;
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tmpvar_66 = tmpvar_65;
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zd_45 = tmpvar_66;
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if ((zd_45 > _Params.y)) {
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highp float tmpvar_67;
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tmpvar_67 = pow ((1.0 - zd_45), _Params.z);
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highp float tmpvar_68;
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tmpvar_68 = (occ_31 + tmpvar_67);
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occ_31 = tmpvar_68;
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};
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int tmpvar_69;
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tmpvar_69 = (s_30 + 1);
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s_30 = tmpvar_69;
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};
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highp float tmpvar_70;
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tmpvar_70 = (occ_31 / float(sampleCount_28));
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occ_31 = tmpvar_70;
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return (1.0 - occ_31);
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}
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mediump vec4 frag (
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in v2f_ao i_71
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)
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{
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highp vec3 RAND_SAMPLES_72[8] = vec3[8](vec3(0.0130572, 0.587232, -0.119337), vec3(0.323078, 0.0220727, -0.418873), vec3(-0.310725, -0.191367, 0.0561369), vec3(-0.479646, 0.0939877, -0.580265), vec3(0.139999, -0.33577, 0.559679), vec3(-0.248458, 0.255532, 0.348944), vec3(0.18719, -0.702764, -0.231748), vec3(0.884915, 0.284208, 0.368524));
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vec3 tmpvar_73[8];
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tmpvar_73 = vec3[8](vec3(0.0130572, 0.587232, -0.119337), vec3(0.323078, 0.0220727, -0.418873), vec3(-0.310725, -0.191367, 0.0561369), vec3(-0.479646, 0.0939877, -0.580265), vec3(0.139999, -0.33577, 0.559679), vec3(-0.248458, 0.255532, 0.348944), vec3(0.18719, -0.702764, -0.231748), vec3(0.884915, 0.284208, 0.368524));
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RAND_SAMPLES_72 = tmpvar_73;
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mediump float tmpvar_74;
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tmpvar_74 = frag_ao (i_71, 8, vec3[8](vec3(0.0130572, 0.587232, -0.119337), vec3(0.323078, 0.0220727, -0.418873), vec3(-0.310725, -0.191367, 0.0561369), vec3(-0.479646, 0.0939877, -0.580265), vec3(0.139999, -0.33577, 0.559679), vec3(-0.248458, 0.255532, 0.348944), vec3(0.18719, -0.702764, -0.231748), vec3(0.884915, 0.284208, 0.368524)));
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mediump vec4 tmpvar_75;
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tmpvar_75 = vec4(tmpvar_74);
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return tmpvar_75;
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}
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void main ()
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{
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v2f_ao xlt_i_76;
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mediump vec4 xl_retval_77;
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vec4 tmpvar_78;
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tmpvar_78 = vec4(0.0, 0.0, 0.0, 0.0);
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xlt_i_76.pos = tmpvar_78;
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highp vec2 tmpvar_79;
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tmpvar_79 = xlv_TEXCOORD0.xy;
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highp vec2 tmpvar_80;
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tmpvar_80 = tmpvar_79;
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xlt_i_76.uv = tmpvar_80;
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highp vec2 tmpvar_81;
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tmpvar_81 = xlv_TEXCOORD1.xy;
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highp vec2 tmpvar_82;
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tmpvar_82 = tmpvar_81;
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xlt_i_76.uvr = tmpvar_82;
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mediump vec4 tmpvar_83;
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tmpvar_83 = frag (xlt_i_76);
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mediump vec4 tmpvar_84;
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tmpvar_84 = tmpvar_83;
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xl_retval_77 = tmpvar_84;
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mediump vec4 tmpvar_85;
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tmpvar_85 = xl_retval_77.xyzw;
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mediump vec4 tmpvar_86;
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tmpvar_86 = tmpvar_85;
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_glesFragData[0] = tmpvar_86;
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}
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