1 files changed, 57 insertions, 0 deletions
diff --git a/raveos-gnome-theme/theme-data/extensions/installed/blur-my-shell@aunetx/effects/upscale.glsl b/raveos-gnome-theme/theme-data/extensions/installed/blur-my-shell@aunetx/effects/upscale.glsl
new file mode 100644
index 0000000..5cc06ec
--- /dev/null
+++ b/raveos-gnome-theme/theme-data/extensions/installed/blur-my-shell@aunetx/effects/upscale.glsl
@@ -0,0 +1,57 @@
+uniform sampler2D tex;
+uniform int factor;
+uniform float width;
+uniform float height;
+
+#define CORRECTION 2.25
+#define SIZE_ADDITION 3
+
+vec4 get_texture_at_position(vec2 position) {
+    vec2 raw_position = position + vec2(CORRECTION, CORRECTION);
+    vec2 raw_uv = raw_position / vec2(width + SIZE_ADDITION, height + SIZE_ADDITION);
+
+    return texture2D(tex, raw_uv);
+}
+
+ivec2 get_corrected_position() {
+    vec2 raw_uv = cogl_tex_coord0_in.st;
+    vec2 raw_position = raw_uv * vec2(width + SIZE_ADDITION, height + SIZE_ADDITION);
+    return ivec2(raw_position - vec2(CORRECTION, CORRECTION));
+}
+
+void main() {
+    ivec2 corrected_position = get_corrected_position();
+
+    vec2 adjusted_position = corrected_position / factor;
+
+    cogl_color_out = get_texture_at_position(adjusted_position);
+
+    // round
+    if (distance(corrected_position, (floor(adjusted_position) + 0.5) * factor) < factor / 2.5) {
+        //cogl_color_out = get_texture_at_position(adjusted_position);
+    } else {
+        //cogl_color_out = vec4(0, 0, 0, 1);
+    }
+
+    // square
+    if (mod(corrected_position.x, factor) >= 2 && mod(corrected_position.y, factor) >= 2) {
+        //cogl_color_out = get_texture_at_position(adjusted_position);
+    } else {
+        //cogl_color_out = vec4(0, 0, 0, 1);
+    }
+
+    // local mix
+    vec4 color = vec4(0);
+    int count = 0;
+    for (int i = -1; i <= 1; i++) {
+        for (int j = -1; j <= 1; j++) {
+            vec2 lookup_position = adjusted_position + vec2(i, j);
+            if (all(greaterThanEqual(lookup_position, vec2(0, 0))) &&
+                all(lessThan(lookup_position, vec2(width, height) / factor))) {
+                color += get_texture_at_position(lookup_position);
+                count += 1;
+            }
+        }
+    }
+    //cogl_color_out = color / count;
+}
+\ No newline at end of file