Attachment 96538 Details for Bug 76618 – Modified Postprocess.frag file

Modified Postprocess.frag file

postprocess.frag (text/plain), 5.60 KB, created by Samuel Iglesias Gonsálvez on 2014-03-28 14:44:17 UTC

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Creator: Samuel Iglesias Gonsálvez

Created: 2014-03-28 14:44:17 UTC

Size: 5.60 KB

patch

obsolete

>#version 120
>//#extension GL_EXT_gpu_shader4 : require
>
>#pragma optimize(on)
>
>uniform sampler2D map_accumulation;
>uniform sampler2D map_modifier;
>uniform sampler2D map_depth;
>
>//uniform float brightness;
>
>uniform float contextWidth;
>uniform float contextHeight;
>uniform float contextX;
>uniform float contextY;
>
>uniform vec2 cameraClip;
>
>// http://mouaif.wordpress.com/2009/01/05/photoshop-math-with-glsl-shaders/
>
>float my_pow(float color, float exp) {
>     return sqrt(color);
>}
>
>#define GammaCorrection(color, gamma) my_pow(color, 1.0 / gamma)
>
>// For all settings: 1.0 = 100% 0.5=50% 1.5 = 150%
>vec3 ContrastSaturationBrightness(vec3 color, float brt, float con, float sat) {
>  // Increase or decrease theese values to adjust r, g and b color channels seperately
>  const float AvgLumR = 0.5;
>  const float AvgLumG = 0.5;
>  const float AvgLumB = 0.5;
>
>  const vec3 LumCoeff = vec3(0.2125, 0.7154, 0.0721);
>
>  vec3 AvgLumin = vec3(AvgLumR, AvgLumG, AvgLumB);
>  vec3 brtColor = color * brt;
>  vec3 intensity = vec3(dot(brtColor, LumCoeff));
>  vec3 satColor = mix(intensity, brtColor, sat);
>  vec3 conColor = mix(AvgLumin, satColor, con);
>
>  return conColor;
>}
>
>
>void main(void) {
>  vec2 texCoord = gl_FragCoord.xy;
>  texCoord.x -= contextX;
>  texCoord.y -= contextY;
>  texCoord.x /= contextWidth;
>  texCoord.y /= contextHeight;
>
>  vec4 accum = texture2D(map_accumulation, texCoord);
>//  gl_FragColor = accum;
>//  return;
>  vec3 base = accum.rgb;
>  
>  vec4 modifier = texture2D(map_modifier, texCoord);
>  
>  // edge blur
>  if (modifier.r > 0.0) {
>    vec3 smoothPixel = vec3(0);
>    smoothPixel += texture2D(map_accumulation, texCoord + vec2(0, 1 / contextHeight)).xyz;
>    smoothPixel += texture2D(map_accumulation, texCoord + vec2(1 / contextWidth, 0)).xyz;
>    smoothPixel += texture2D(map_accumulation, texCoord + vec2(0, -1 / contextHeight)).xyz;
>    smoothPixel += texture2D(map_accumulation, texCoord + vec2(-1 / contextWidth, 0)).xyz;
>    smoothPixel *= 0.25;
>    base = base * (1.0 - modifier.r) + smoothPixel * modifier.r;
>    //base = base * (1.0 - modifier.r) + vec3(0, 0, 0) * modifier.r * 0.3 + smoothPixel * modifier.r * 0.7; // cartooney effect
>    //base = base * (1.0 - modifier.r) + vec3(0, 0, 0) * modifier.r * 0.8 + smoothPixel * modifier.r * 0.2; // cartooney effect
>  }
>
>  // blur SSAO
>  //float SSAO = modifier.g;
>  
>/*
>  SSAO += texture2D(map_modifier, texCoord + vec2(0, 1 / contextWidth)).g;
>  SSAO += texture2D(map_modifier, texCoord + vec2(1 / contextWidth, 0)).g;
>  SSAO += texture2D(map_modifier, texCoord + vec2(0, -1 / contextWidth)).g;
>  SSAO += texture2D(map_modifier, texCoord + vec2(-1 / contextWidth, 0)).g;
>  SSAO /= 5.0;
>*/
>
>  float pi = 3.14159265358979;
>  
>
>  // fake convolution, because i'm a cheap bastard
>  
>  int SSAOBlurRes = 3;
>
>  float resultX;
>  for (float x = -SSAOBlurRes; x < SSAOBlurRes + 1; x++) {
>    float falloff = pow(1 - abs(x) / (SSAOBlurRes * 1.0), 1.6);//cos(abs(x) / (SSAOBlurRes * 1.0) * pi) * 0.5 + 0.5;
>    resultX += clamp(texture2D(map_modifier, texCoord + vec2(x / contextWidth, 0)).g * falloff - 0.001, 0, 1);
>  }
>  resultX /= float(SSAOBlurRes) * 2.0 - 1.0;
>
>  float resultY;
>  for (float y = -SSAOBlurRes; y < SSAOBlurRes + 1; y++) {
>    float falloff = pow(1 - abs(y) / (SSAOBlurRes * 1.0), 1.6);//cos(abs(y) / (SSAOBlurRes * 1.0) * pi) * 0.5 + 0.5;
>    resultY += clamp(texture2D(map_modifier, texCoord + vec2(0, y / contextHeight)).g * falloff - 0.001, 0, 1);
>  }
>  resultY /= float(SSAOBlurRes) * 2.0 - 1.0;
>  
>  float SSAO = clamp(sqrt((resultX + resultY) * 4.0) * 1.0 - 0.1, 0, 1);
>
>  //base = vec3(accum.a);
>  
>  SSAO *= 0.6;
>  //SSAO *= 2.0;
>
>  vec3 fragColor = base; //* (1 - SSAO); // SSAO
>
>
>  // fog
>  
>  float depth = texture2D(map_depth, texCoord).x;
>  //float depth = texelFetch(map_depth, texCoordi, 2).x;
>
>  // convert from non-linear to linear
>  float fragDepth = -cameraClip.y / (depth - cameraClip.x);
>
>//  vec3 fogColor = vec3(0.84, 0.98, 1.0);
>  vec3 fogColor = vec3(1.0, 0.9, 0.86);
>  //float fogFactor = clamp(-fragDepth * 0.003 - 0.12, 0.03, 0.1);
>  float fogFactor = clamp(-fragDepth * 0.002 - 0.10, 0.03, 0.07);
>  //float fogFactor = clamp(-fragDepth * 0.0006 - 0.05, 0.0, 1.0);
>  //float fogFactor = clamp(-fragDepth * 0.0018 - 0.14, 0.0, 0.08);
>  //float fogFactor = clamp(-fragDepth * 0.002 - 0.14, 0.0, 0.1);
>  fragColor = fragColor * (1 - fogFactor) + fogColor * fogFactor;
>  if (depth > 0.999) fragColor = fogColor;
>
>  /*
>  float brightness = 0;
>  for (int x = 0; x < 4; x++) {
>    for (int y = 0; y < 4; y++) {
>      brightness += texture2D(map_accumulation, vec2(((x + 0.5) / 4) / contextWidth, ((y + 0.5) / 4) / contextHeight)).y;
>    }
>  }
>  brightness /= 4 * 4;
>  */
>  
>  float finalBrightness = 1.26;// * (1.5 - brightness);
>  float contrast = 1.2;//1.35;
>  float saturation = 1.0;//0.95;//1.06;
>  float gamma = 2.0;//1.8;
>
>  finalBrightness = 1.2;// * (1.5 - brightness);
>  contrast = 1.28;
>  saturation = 0.95;
>
>  finalBrightness = 1.85;// + clamp(-brightness + 0.5, -0.5, 0.5);// / clamp(brightness * 8.0 - 3.0, 0.2, 1.8);// clamp((3.0 - brightness * 4.0), 0.5, 1.5);
>  contrast = 1.4;
>  
>  fragColor = ContrastSaturationBrightness(fragColor, finalBrightness, contrast, saturation);
>
>//   /*
>//   fragColor.r *= 1.1;
>//   fragColor.g *= 1.0;
>//   fragColor.b *= 0.9;
>//   */
>  
>//   //fragColor = vec3(SSAO);
>
>  fragColor.r = GammaCorrection(fragColor.r, gamma);
>  fragColor.g = GammaCorrection(fragColor.g, gamma);
>  fragColor.b = GammaCorrection(fragColor.b, gamma);
>
>  fragColor = clamp(fragColor, 0, 1);
>
>  gl_FragColor = vec4(fragColor, 0);
>}

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Attachments on bug 76618: 96398 | 96399 | 96400 | 96538 | 96539 | 96540 | 96541 | 96542

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