It was the gamma being wrong. Interesting how much different this is working than SFML+OpenCL

resources/shaders/simple-edge.compute

@@ -36,45 +36,45 @@ void main() {
     uint idx = get_idx(0,0);
 
     ivec4 p  = separate(read_buffer.buf[get_idx(0 , 0)]);
-//   ivec4 p0 = separate(read_buffer.buf[get_idx(0 , 1)]);
+    ivec4 p0 = separate(read_buffer.buf[get_idx(0 , 1)]);
-//   ivec4 p1 = separate(read_buffer.buf[get_idx(0 ,-1)]);
+    ivec4 p1 = separate(read_buffer.buf[get_idx(0 ,-1)]);
-//   ivec4 p2 = separate(read_buffer.buf[get_idx(1 , 1)]);
+    ivec4 p2 = separate(read_buffer.buf[get_idx(1 , 1)]);
-//   ivec4 p3 = separate(read_buffer.buf[get_idx(-1,-1)]);
+    ivec4 p3 = separate(read_buffer.buf[get_idx(-1,-1)]);
-//   ivec4 p4 = separate(read_buffer.buf[get_idx(1 , 0)]);
+    ivec4 p4 = separate(read_buffer.buf[get_idx(1 , 0)]);
-//   ivec4 p5 = separate(read_buffer.buf[get_idx(-1, 0)]);
+    ivec4 p5 = separate(read_buffer.buf[get_idx(-1, 0)]);
-//   ivec4 p6 = separate(read_buffer.buf[get_idx(1 ,-1)]);
+    ivec4 p6 = separate(read_buffer.buf[get_idx(1 ,-1)]);
-//   ivec4 p7 = separate(read_buffer.buf[get_idx(-1, 1)]);
+    ivec4 p7 = separate(read_buffer.buf[get_idx(-1, 1)]);
+
+    ivec3 d0 = abs(p0.xyz - p1.xyz);
+    ivec3 d1 = abs(p2.xyz - p3.xyz);
+    ivec3 d2 = abs(p4.xyz - p5.xyz);
+    ivec3 d3 = abs(p6.xyz - p7.xyz);
+
+    ivec3 m = max(max(max(d0, d1), d2), d3);
+
+    if ((m.x + m.y + m.z) > 975){
+       p.x = 0;
+       p.y = 0;
+       p.z = 255;
+    }
+    else {
+
+        //p.w = 125;
+    }
+
+    write_buffer.buf[idx] = (write_buffer.buf[idx] & (~0x000000FF) ) | (p.x);
+    write_buffer.buf[idx] = (write_buffer.buf[idx] & (~0x0000FF00) ) | (p.y << 8);
+    write_buffer.buf[idx] = (write_buffer.buf[idx] & (~0x00FF0000) ) | (p.z << 16);
+    write_buffer.buf[idx] = (write_buffer.buf[idx] & (~0xFF000000) ) | (p.w << 24);
 
-//   ivec3 d0 = abs(p0.xyz - p1.xyz);
+}
-//   ivec3 d1 = abs(p2.xyz - p3.xyz);
-//   ivec3 d2 = abs(p4.xyz - p5.xyz);
-//   ivec3 d3 = abs(p6.xyz - p7.xyz);
-
-//   ivec3 m = max(max(max(d0, d1), d2), d3);
-
-//   if ((m.x + m.y + m.z) > 275){
-//       p.x = 0;
-//       p.y = 0;
-//       p.z = 255;
-//   }
-
-//  //p.z = max(p.z - (d0.x + d0.y + d0.z + d1.x + d1.y + d1.z)/5, 0);
 
-//  write_buffer.buf[idx] = (write_buffer.buf[idx] & (~0x000000FF) ) | (p.x);
-//  write_buffer.buf[idx] = (write_buffer.buf[idx] & (~0x0000FF00) ) | (p.y << 8);
-//  write_buffer.buf[idx] = (write_buffer.buf[idx] & (~0x00FF0000) ) | (p.z << 16);
-//  write_buffer.buf[idx] = (write_buffer.buf[idx] & (~0xFF000000) ) | (p.w << 24);
 
-//  p.x = 70;
 
-//  write_buffer.buf[idx] = (write_buffer.buf[idx] & (~0x000000FF) ) | (p.x);
-//  write_buffer.buf[idx] = (write_buffer.buf[idx] & (~0x0000FF00) ) | (p.y << 8);
-//  write_buffer.buf[idx] = (write_buffer.buf[idx] & (~0x00FF0000) ) | (p.z << 16);
-//  write_buffer.buf[idx] = (write_buffer.buf[idx] & (~0xFF000000) ) | (p.w << 24);
 
 
+// Just gonna keep this around
 //  read_buffer.buf[idx] = (read_buffer.buf[idx] & (~0x000000FF) ) | (p.x);
 //  read_buffer.buf[idx] = (read_buffer.buf[idx] & (~0x0000FF00) ) | (p.y << 8);
 //  read_buffer.buf[idx] = (read_buffer.buf[idx] & (~0x00FF0000) ) | (p.z << 16);
 //  read_buffer.buf[idx] = (read_buffer.buf[idx] & (~0xFF000000) ) | (p.w << 24);
-}

resources/shaders/simple_texture.fragment

@@ -2,26 +2,15 @@
 layout(location = 0) in vec2 tex_coords;
 layout(location = 0) out vec4 f_color;
 layout(set = 0, binding = 0) uniform sampler2D tex;
-layout(set = 0, binding = 1, rgba8ui) readonly uniform uimage2D img;
+layout(set = 0, binding = 1, rgba32ui) readonly uniform uimage2D img;
 void main() {
 
-    vec2 onePixel = vec2(1.0, 1.0) / (720.0, 756.0);
-    vec2 pos = tex_coords * onePixel;
-    ivec2 ipos = ivec2(pos);
-    vec4 colorSum = imageLoad(img, ipos);
-    f_color = colorSum;
-
-
-   // f_color = texture(tex, tex_coords);
-   // ivec2 t = ivec2(tex_coords.x, tex_coords.y );
-
     ivec2 size = ivec2(gl_FragCoord.x, gl_FragCoord.y);
-    //ivec2 size = ivec2(0, 0);
 
-    f_color = imageLoad(img, size) / (200);
+    f_color = imageLoad(img, size) / (255.0);
-//    f_color.w = 0;
+   // f_color.a += 100;
-//    f_color.r = 75;
+   // f_color = texture(tex, tex_coords);
-//    f_color.g = 30;
-//    f_color.b =;
 
+    float gamma = 0.5;
+    f_color.rgb = pow(f_color.rgb, vec3(1.0/gamma));
 }

src/main.rs

@@ -78,7 +78,7 @@ fn main() {
     processor.compile_kernel(String::from("simple-edge.compute"));
     processor.compile_shaders(String::from("simple_texture"), &surface);
 
-    processor.load_buffers(String::from("funky-bird.jpg"));
+    processor.load_buffers(String::from("background.jpg"));
 
 
     let mut timer = Timer::new();

src/vkprocessor.rs

@@ -487,18 +487,10 @@ impl<'a> VkProcessor<'a> {
         self.vertex_buffer = Some(vertex_buffer);
 
         let (texture, tex_future) = {
-            let image = image::load_from_memory_with_format(include_bytes!("../resources/images/funky-bird.jpg"),
-                                                            ImageFormat::JPEG).unwrap().to_rgba();
-
-            println!("{}", image.len());
-            println!("{}", self.image_buffer.len());
-
-            let dimensions = image.dimensions();
-            let image_data = image.into_raw().clone();
 
             ImmutableImage::from_iter(
-                image_data.iter().cloned(),
+                self.image_buffer.iter().cloned(),
-                Dimensions::Dim2d { width: dimensions.0, height: dimensions.1 },
+                Dimensions::Dim2d { width: self.xy.0, height: self.xy.1 },
                 Format::R8G8B8A8Srgb,
                 self.queue.clone()
 //                self.image_buffer.iter().cloned(),
@@ -508,10 +500,6 @@ impl<'a> VkProcessor<'a> {
         };
 
         let attachment_image = {
-            let image = image::load_from_memory_with_format(include_bytes!("../resources/images/funky-bird.jpg"),
-                                                            ImageFormat::JPEG).unwrap().to_rgba();
-            let dimensions = image.dimensions();
-            let image_data = image.into_raw().clone();
 
             let mut usage = ImageUsage::none();
             usage.transfer_destination = true;
@@ -519,7 +507,7 @@ impl<'a> VkProcessor<'a> {
 
             AttachmentImage::with_usage(
                 self.device.clone(),
-                [dimensions.0, dimensions.1],
+                [self.xy.0, self.xy.1],
                 Format::R8G8B8A8Uint,
                 usage)
         };