mirror of
https://github.com/scratchfoundation/bgfx.git
synced 2024-12-01 11:56:58 -05:00
96 lines
3.4 KiB
Text
96 lines
3.4 KiB
Text
uniform sampler2D _CameraDepthNormalsTexture;
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uniform sampler2D _RandomTexture;
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uniform highp vec4 _Params;
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uniform highp vec4 _ProjectionParams;
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varying highp vec2 xlv_TEXCOORD0;
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varying highp vec2 xlv_TEXCOORD1;
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void main ()
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{
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highp vec3 RAND_SAMPLES_1[8];
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RAND_SAMPLES_1[0] = vec3(0.0130572, 0.587232, -0.119337);
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RAND_SAMPLES_1[1] = vec3(0.323078, 0.0220727, -0.418873);
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RAND_SAMPLES_1[2] = vec3(-0.310725, -0.191367, 0.0561369);
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RAND_SAMPLES_1[3] = vec3(-0.479646, 0.0939877, -0.580265);
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RAND_SAMPLES_1[4] = vec3(0.139999, -0.33577, 0.559679);
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RAND_SAMPLES_1[5] = vec3(-0.248458, 0.255532, 0.348944);
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RAND_SAMPLES_1[6] = vec3(0.18719, -0.702764, -0.231748);
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RAND_SAMPLES_1[7] = vec3(0.884915, 0.284208, 0.368524);
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mediump float tmpvar_2;
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highp vec2 tmpvar_3;
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tmpvar_3 = xlv_TEXCOORD0;
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highp vec3 samples_4[8];
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samples_4[0]=RAND_SAMPLES_1[0];samples_4[1]=RAND_SAMPLES_1[1];samples_4[2]=RAND_SAMPLES_1[2];samples_4[3]=RAND_SAMPLES_1[3];samples_4[4]=RAND_SAMPLES_1[4];samples_4[5]=RAND_SAMPLES_1[5];samples_4[6]=RAND_SAMPLES_1[6];samples_4[7]=RAND_SAMPLES_1[7];
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highp float occ_6;
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highp float scale_7;
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highp float depth_8;
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highp vec3 viewNorm_9;
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highp vec4 depthnormal_10;
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mediump vec3 randN_11;
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lowp vec3 tmpvar_12;
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tmpvar_12 = ((texture2D (_RandomTexture, xlv_TEXCOORD1).xyz * 2.0) - 1.0);
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randN_11 = tmpvar_12;
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lowp vec4 tmpvar_13;
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tmpvar_13 = texture2D (_CameraDepthNormalsTexture, xlv_TEXCOORD0);
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depthnormal_10 = tmpvar_13;
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highp vec3 n_14;
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highp vec3 tmpvar_15;
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tmpvar_15 = ((depthnormal_10.xyz * vec3(3.5554, 3.5554, 0.0)) + vec3(-1.7777, -1.7777, 1.0));
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highp float tmpvar_16;
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tmpvar_16 = (2.0 / dot (tmpvar_15, tmpvar_15));
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n_14.xy = (tmpvar_16 * tmpvar_15.xy);
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n_14.z = (tmpvar_16 - 1.0);
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viewNorm_9 = n_14;
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depth_8 = (dot (depthnormal_10.zw, vec2(1.0, 0.00392157)) * _ProjectionParams.z);
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scale_7 = (_Params.x / depth_8);
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occ_6 = 0.0;
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for (int s_5 = 0; s_5 < 8; s_5++) {
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highp vec4 sampleND_17;
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mediump vec3 randomDir_18;
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highp vec3 tmpvar_19;
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highp vec3 I_20;
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I_20 = samples_4[s_5];
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tmpvar_19 = (I_20 - (2.0 * (
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dot (randN_11, I_20)
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* randN_11)));
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randomDir_18 = tmpvar_19;
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highp float tmpvar_21;
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tmpvar_21 = dot (viewNorm_9, randomDir_18);
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highp float tmpvar_22;
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if ((tmpvar_21 < 0.0)) {
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tmpvar_22 = 1.0;
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} else {
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tmpvar_22 = -1.0;
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};
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randomDir_18 = (randomDir_18 * -(tmpvar_22));
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randomDir_18 = (randomDir_18 + (viewNorm_9 * 0.3));
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lowp vec4 tmpvar_23;
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highp vec2 P_24;
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P_24 = (tmpvar_3 + (randomDir_18.xy * scale_7));
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tmpvar_23 = texture2D (_CameraDepthNormalsTexture, P_24);
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sampleND_17 = tmpvar_23;
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highp float tmpvar_25;
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tmpvar_25 = clamp (((depth_8 -
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(randomDir_18.z * _Params.x)
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) - (
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dot (sampleND_17.zw, vec2(1.0, 0.00392157))
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* _ProjectionParams.z)), 0.0, 1.0);
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if ((tmpvar_25 > _Params.y)) {
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occ_6 = (occ_6 + pow ((1.0 - tmpvar_25), _Params.z));
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};
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};
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occ_6 = (occ_6 / 8.0);
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tmpvar_2 = (1.0 - occ_6);
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gl_FragData[0] = vec4(tmpvar_2);
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}
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// stats: 49 alu 3 tex 4 flow
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// inputs: 2
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// #0: xlv_TEXCOORD0 (high float) 2x1 [-1]
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// #1: xlv_TEXCOORD1 (high float) 2x1 [-1]
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// uniforms: 2 (total size: 0)
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// #0: _Params (high float) 4x1 [-1]
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// #1: _ProjectionParams (high float) 4x1 [-1]
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// textures: 2
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// #0: _CameraDepthNormalsTexture (low 2d) 0x0 [-1]
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// #1: _RandomTexture (low 2d) 0x0 [-1]
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