update window dimensions

shader/quad/shader.frag

@@ -49,9 +49,9 @@ vec4 denoise(sampler2D tex, vec2 uv, float sigma, float kSigma, float threshold)
 
 void main()
 {
-    float sigma = 2.2;
+    float sigma = 2.5;
-    float kSigma = 10.0;
+    float kSigma = 7.0;
-    float threshold = 0.2;
+    float threshold = 0.3;
 
     FragColor = denoise(ourTexture, TexCoord, sigma, kSigma, threshold);
     //FragColor = texture(ourTexture, TexCoord);

shader/root/rt.glsl

@@ -99,6 +99,13 @@ void main()
         depth += sampleDepth / float(samples);
     }
 
+
+    // include the first sample we took
+    samples++;
+    // gamma correction
+    float scale = 1.0 / samples;
+    pixel.xyz = sqrt(scale * pixel.xyz);
+
     pixel.xyz = mix(pixel.xyz, vec3(1.0), depth);
 
     // output to a specific pixel in the image

src/main.c

@@ -7,8 +7,8 @@
 #include "cam.h"
 #include "input.h"
 
-const int WIDTH = 420;
+const int WIDTH = 500;
-const int HEIGHT = 420;
+const int HEIGHT = 500;
 
 void updateUniforms(GLuint shaderProgram, float t);