shadereffect example: remove unused legacy shader code

No point in exercising the file selector magic when there is only one
possible path in Qt 6.

Change-Id: I3b49b19d57a89855063e983ab0add13335840fb9
Reviewed-by: Andy Nichols <andy.nichols@qt.io>

1 files changed, 21 insertions, 13 deletions

diff --git a/examples/quick/shadereffects/content/shaders/outline.frag b/examples/quick/shadereffects/content/shaders/outline.frag
index 9b46719873..26df69c5fe 100644
--- a/examples/quick/shadereffects/content/shaders/outline.frag
+++ b/examples/quick/shadereffects/content/shaders/outline.frag
@@ -1,16 +1,24 @@
-uniform sampler2D source;
-uniform highp vec2 delta;
-uniform highp float qt_Opacity;
+#version 440
 
-varying highp vec2 qt_TexCoord0;
+layout(location = 0) in vec2 qt_TexCoord0;
+layout(location = 0) out vec4 fragColor;
 
-void main() {
-    lowp vec4 tl = texture2D(source, qt_TexCoord0 - delta);
-    lowp vec4 tr = texture2D(source, qt_TexCoord0 + vec2(delta.x, -delta.y));
-    lowp vec4 bl = texture2D(source, qt_TexCoord0 - vec2(delta.x, -delta.y));
-    lowp vec4 br = texture2D(source, qt_TexCoord0 + delta);
-    mediump vec4 gx = (tl + bl) - (tr + br);
-    mediump vec4 gy = (tl + tr) - (bl + br);
-    gl_FragColor.xyz = vec3(0.);
-    gl_FragColor.w = clamp(dot(sqrt(gx * gx + gy * gy), vec4(1.)), 0., 1.) * qt_Opacity;
+layout(binding = 1) uniform sampler2D source;
+
+layout(std140, binding = 0) uniform buf {
+    mat4 qt_Matrix;
+    float qt_Opacity;
+    vec2 delta;
+} ubuf;
+
+void main()
+{
+    vec4 tl = texture(source, qt_TexCoord0 - ubuf.delta);
+    vec4 tr = texture(source, qt_TexCoord0 + vec2(ubuf.delta.x, -ubuf.delta.y));
+    vec4 bl = texture(source, qt_TexCoord0 - vec2(ubuf.delta.x, -ubuf.delta.y));
+    vec4 br = texture(source, qt_TexCoord0 + ubuf.delta);
+    vec4 gx = (tl + bl) - (tr + br);
+    vec4 gy = (tl + tr) - (bl + br);
+    fragColor.xyz = vec3(0.);
+    fragColor.w = clamp(dot(sqrt(gx * gx + gy * gy), vec4(1.)), 0., 1.) * ubuf.qt_Opacity;
 }