package rename + storage backend abstraction

src/main/resources/assets/zenith/shaders/lod/ssao/ssao.comp

@@ -0,0 +1,11 @@
+#version 460
+layout(local_size_x = 32, local_size_y = 32, local_size_x = 1) in;
+
+layout(binding=0,rgba8) restrict uniform image2D colourTexture;
+layout(binding=1) uniform sampler2D depthTexture;
+void main() {
+    float d = texture2D(depthTexture, vec2(gl_GlobalInvocationID.xy)/vec2(1024)).x;
+    d = 1/d;
+    d = d/2;
+    imageStore(colourTexture, ivec2(gl_GlobalInvocationID.xy), vec4(d,d,d,1));
+}