removed the extra stuff from the kernels. Having some issues with the layouts not agreeing with the set size...

resources/shaders/color-passthrough.fragment

@@ -1,12 +1,8 @@
 #version 450
-layout(location = 0) in vec2 tex_coords;
-layout(location = 1) in vec4 out_color;
+layout(location = 0) in vec4 out_color;
 
 layout(location = 0) out vec4 f_color;
 
-layout(set = 0, binding = 0) uniform sampler2D tex;
-layout(set = 0, binding = 1, rgba32ui) readonly uniform uimage2D img;
-
 void main() {
     f_color = out_color;
 }

resources/shaders/color-passthrough.vertex

@@ -2,8 +2,7 @@
 layout(location = 0) in vec2 position;
 layout(location = 1) in vec4 color;
 
-layout(location = 0) out vec2 tex_coords;
-layout(location = 1) out vec4 out_color;
+layout(location = 0) out vec4 out_color;
 
 void main() {
     out_color = color;

resources/shaders/simple_texture.fragment

@@ -1,21 +1,18 @@
 #version 450
 layout(location = 0) in vec2 tex_coords;
-layout(location = 1) in vec4 out_color;
 
 layout(location = 0) out vec4 f_color;
 
 layout(set = 0, binding = 0) uniform sampler2D tex;
-layout(set = 0, binding = 1, rgba32ui) readonly uniform uimage2D img;
 
 void main() {
 
     ivec2 pos = ivec2(gl_FragCoord.x, gl_FragCoord.y);
 
-    f_color = imageLoad(img, ivec2(pos)) / (255.0);
+//    f_color = imageLoad(img, ivec2(pos)) / (255.0);
+//
+//    float gamma = 0.5;
+//    f_color.rgb = pow(f_color.rgb, vec3(1.0/gamma));
 
-    float gamma = 0.5;
-    f_color.rgb = pow(f_color.rgb, vec3(1.0/gamma));
-
-    //f_color = out_color;
-  //  f_color = texture(tex, tex_coords);
+    f_color = texture(tex, tex_coords);
 }

resources/shaders/simple_texture.vertex

@@ -1,12 +1,9 @@
 #version 450
 layout(location = 0) in vec2 position;
-layout(location = 1) in vec4 color;
 
 layout(location = 0) out vec2 tex_coords;
-layout(location = 1) out vec4 out_color;
 
 void main() {
-    out_color = color;
 
     gl_Position = vec4(position, 0.0, 1.0);
     tex_coords = position;