Initial commit

src/shaders/splatFragment.glsl

@@ -0,0 +1,35 @@
+
+precision highp float;
+precision highp int;
+
+#include <splatDefines>
+
+uniform bool encodeLinear;
+uniform float maxStdDev;
+uniform bool disableFalloff;
+uniform float falloff;
+
+out vec4 fragColor;
+
+in vec4 vRgba;
+in vec2 vSplatUv;
+in vec3 vNdc;
+
+void main() {
+    float z = dot(vSplatUv, vSplatUv);
+    if (z > (maxStdDev * maxStdDev)) {
+        discard;
+    }
+
+    float alpha = vRgba.a;
+    alpha *= mix(1.0, exp(-0.5 * z), falloff);
+    if (alpha < MIN_ALPHA) {
+        discard;
+    }
+
+    vec3 rgb = vRgba.rgb;
+    if (encodeLinear) {
+        rgb = srgbToLinear(rgb);
+    }
+    fragColor = vec4(rgb, alpha);
+}