🔧 Use generic i/o names

resources/shaders/energize-b.frag

@@ -32,7 +32,7 @@ vec4 getMasks(float progress) {
   float fadeProgress   = clamp((progress - SHOWER_TIME) / (1.0 - SHOWER_TIME), 0, 1);
 
   // Gradient from top to bottom.
-  float t = cogl_tex_coord_in[0].t;
+  float t = iTexCoord.t;
 
   // A smooth gradient which moves to the bottom within the showerProgress.
   float showerMask =
@@ -77,7 +77,7 @@ void main() {
   float progress = easeOutQuad(uProgress);
 
   vec4 masks       = getMasks(progress);
-  vec4 windowColor = texture2D(uTexture, cogl_tex_coord_in[0].st);
+  vec4 windowColor = texture2D(uTexture, iTexCoord.st);
 
   // Shell.GLSLEffect uses straight alpha. So we have to convert from premultiplied.
   if (windowColor.a > 0) {
@@ -85,37 +85,37 @@ void main() {
   }
 
   // Dissolve window to effect color / transparency.
-  cogl_color_out.rgb = mix(uColor, windowColor.rgb, 0.5 * masks.w + 0.5);
-  cogl_color_out.a   = windowColor.a * masks.w;
+  oColor.rgb = mix(uColor, windowColor.rgb, 0.5 * masks.w + 0.5);
+  oColor.a   = windowColor.a * masks.w;
 
   // Add leading shower particles.
-  vec2 showerUV = cogl_tex_coord_in[0].st + vec2(0, -0.7 * progress / SHOWER_TIME);
+  vec2 showerUV = iTexCoord.st + vec2(0, -0.7 * progress / SHOWER_TIME);
   showerUV *= 0.02 * uSize / uScale;
   float shower = pow(simplex2D(showerUV), 10.0);
-  cogl_color_out.rgb += uColor * shower * masks.x;
-  cogl_color_out.a += shower * masks.x;
+  oColor.rgb += uColor * shower * masks.x;
+  oColor.a += shower * masks.x;
 
   // Add trailing streak lines.
-  vec2 streakUV = cogl_tex_coord_in[0].st + vec2(0, -progress / SHOWER_TIME);
+  vec2 streakUV = iTexCoord.st + vec2(0, -progress / SHOWER_TIME);
   streakUV *= vec2(0.05 * uSize.x, 0.001 * uSize.y) / uScale;
   float streaks = simplex2DFractal(streakUV) * 0.5;
-  cogl_color_out.rgb += uColor * streaks * masks.y;
-  cogl_color_out.a += streaks * masks.y;
+  oColor.rgb += uColor * streaks * masks.y;
+  oColor.a += streaks * masks.y;
 
   // Add glimmering atoms.
-  vec2 atomUV = cogl_tex_coord_in[0].st + vec2(0, -0.025 * progress / SHOWER_TIME);
+  vec2 atomUV = iTexCoord.st + vec2(0, -0.025 * progress / SHOWER_TIME);
   atomUV *= 0.2 * uSize / uScale;
   float atoms = pow((simplex3D(vec3(atomUV, uTime))), 5.0);
-  cogl_color_out.rgb += uColor * atoms * masks.z;
-  cogl_color_out.a += atoms * masks.z;
+  oColor.rgb += uColor * atoms * masks.z;
+  oColor.a += atoms * masks.z;
 
   // These are pretty useful for understanding how this works.
-  // cogl_color_out = vec4(masks.rgb, 1.0);
-  // cogl_color_out = vec4(vec3(masks.x), 1.0);
-  // cogl_color_out = vec4(vec3(masks.y), 1.0);
-  // cogl_color_out = vec4(vec3(masks.z), 1.0);
-  // cogl_color_out = vec4(vec3(masks.w), 1.0);
-  // cogl_color_out = vec4(vec3(shower), 1.0);
-  // cogl_color_out = vec4(vec3(streaks), 1.0);
-  // cogl_color_out = vec4(vec3(atoms), 1.0);
+  // oColor = vec4(masks.rgb, 1.0);
+  // oColor = vec4(vec3(masks.x), 1.0);
+  // oColor = vec4(vec3(masks.y), 1.0);
+  // oColor = vec4(vec3(masks.z), 1.0);
+  // oColor = vec4(vec3(masks.w), 1.0);
+  // oColor = vec4(vec3(shower), 1.0);
+  // oColor = vec4(vec3(streaks), 1.0);
+  // oColor = vec4(vec3(atoms), 1.0);
 }