Jarvis, Optimise my shit

resources/EngineResources/shaders/screen_space_reflection_frag.glsl

@@ -10,9 +10,7 @@ layout(set = 0, binding = 3) uniform sampler2D pbrSampler;
 
 layout(set = 1, binding = 0) uniform CameraProperties {
     mat4 projection;
-    mat4 invProjection;
     mat4 view;
-    mat4 invView;
     float ssrStepSize;
     float ssrMaxDistance;
     int maxSteps;
@@ -30,13 +28,12 @@ float edgeFade(vec2 uv) {
 }
 
 void main() {
-    vec4 sceneColor = texture(albedoSampler, fragTexCoord);
+    outColor = vec4(0.0);
     vec4 posSample = texture(worldPosSampler, fragTexCoord);
     vec4 normalSample = texture(normalSampler, fragTexCoord);
     vec4 pbrSample = texture(pbrSampler, fragTexCoord);
 
     if (posSample.a == 0.0 || length(posSample.xyz) == 0.0 || length(normalSample.xyz) < 0.001) {
-        outColor = sceneColor;
         return;
     }
 
@@ -54,11 +51,10 @@ void main() {
 
     float materialReflection = reflectiveness + (refractiveness - 1.05);
     materialReflection *= mix(0.75, 1.0, metallic);
-    materialReflection *= smoothstep(0.7, 0.05, roughness);
+    materialReflection *= 1.0 - smoothstep(0.05, 0.7, roughness);
     materialReflection *= mix(0.45, 1.0, fresnel);
 
     if (materialReflection <= MIN_REFLECTION) {
-        outColor = sceneColor;
         return;
     }
 
@@ -66,7 +62,6 @@ void main() {
     vec3 reflectDir = normalize(reflect(viewDir, worldNormal));
 
     if (dot(reflectDir, worldNormal) <= 0.0) {
-        outColor = sceneColor;
         return;
     }
 
@@ -115,7 +110,6 @@ void main() {
     }
 
     if (!hitFound) {
-        outColor = sceneColor;
         return;
     }
 
@@ -124,5 +118,5 @@ void main() {
     float fade = edgeFade(hitUV);
     float weight = clamp(materialReflection * fade, 0.0, 0.85);
 
-    outColor = vec4(mix(sceneColor.rgb, reflectedColor, weight), sceneColor.a);
+    outColor = vec4(reflectedColor * weight, weight);
 }