more documentation. Image base impl

resources/shaders/simple_image.fragment

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+#version 450
+// SIMPLE TEXTURE : FRAGMENT SHADER
+
+// These come in from the previous shader (vertex)
+layout(location = 0) in vec2 img_coords;
+
+// This goes out to the bound image in window_size_dependent setup
+layout(location = 0) out vec4 f_color;
+
+// This is bound by the descriptor set
+// Currently handled by the individual buffer and are 1:1
+layout(set = 0, binding = 0, rgba32ui) readonly uniform uimage2D img;
+void main() {
+
+    ivec2 pos = ivec2(gl_FragCoord.x, gl_FragCoord.y);
+
+    f_color = imageLoad(img, ivec2(pos)) / (255.0);
+
+    float gamma = 0.5;
+    f_color.rgb = pow(f_color.rgb, vec3(1.0/gamma));
+
+}

resources/shaders/simple_image.vertex

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+#version 450
+// SIMPLE IMAGE : VERTEX SHADER
+
+// These come in from the vertex definition
+layout(location = 0) in vec2 position;
+
+// These are made up in the shader themselves
+layout(location = 0) out vec2 img_coords;
+
+void main() {
+
+    gl_Position = vec4(position, 0.0, 1.0);
+    img_coords = position;
+}
+
+
+
+