🔧 Fix straight alpha

2022-05-08 20:49:29 +02:00
parent fa8e3a17c1
commit 78679ef139
8 changed files with 33 additions and 25 deletions
@@ -221,7 +221,8 @@ if (utils.isInShellProcess()) {
        vec4 windowColor = texture2D(uTexture, cogl_tex_coord_in[0].st);

        // Dissolve window to effect color / transparency.
-        cogl_color_out = mix(vec4(uColor, 1.0) * windowColor.a, windowColor, 0.2 * masks.y + 0.8) * masks.y;
+        cogl_color_out.rgb = mix(uColor, windowColor.rgb, 0.2 * masks.y + 0.8);
+        cogl_color_out.a = windowColor.a * masks.y;

        vec2 scaledUV = (cogl_tex_coord_in[0].st-0.5) * (1.0 + 0.1*uProgress);
        scaledUV /= uScale;
@@ -239,6 +240,7 @@ if (utils.isInShellProcess()) {
        }

        cogl_color_out.rgb += uColor * particles * masks.x;
+        cogl_color_out.a += particles * masks.x;

        // These are pretty useful for understanding how this works.
        // cogl_color_out = vec4(masks, 0.0, 1.0);