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, 20 insertions, 13 deletions

diff --git a/examples/quick/shadereffects/content/shaders/shadow.frag b/examples/quick/shadereffects/content/shaders/shadow.frag
index 8650ee4f4c..8247517b6d 100644
--- a/examples/quick/shadereffects/content/shaders/shadow.frag
+++ b/examples/quick/shadereffects/content/shaders/shadow.frag
@@ -1,14 +1,21 @@
-uniform lowp float qt_Opacity;
-uniform highp vec2 offset;
-uniform sampler2D source;
-uniform sampler2D shadow;
-uniform highp float darkness;
-uniform highp vec2 delta;
-
-varying highp vec2 qt_TexCoord0;
-
-void main() {
-    lowp vec4 fg = texture2D(source, qt_TexCoord0);
-    lowp vec4 bg = texture2D(shadow, qt_TexCoord0 + delta);
-    gl_FragColor = (fg + vec4(0., 0., 0., darkness * bg.a) * (1. - fg.a)) * qt_Opacity;
+#version 440
+
+layout(location = 0) in vec2 qt_TexCoord0;
+layout(location = 0) out vec4 fragColor;
+
+layout(binding = 1) uniform sampler2D source;
+layout(binding = 2) uniform sampler2D shadow;
+
+layout(std140, binding = 0) uniform buf {
+    mat4 qt_Matrix;
+    float qt_Opacity;
+    float darkness;
+    vec2 delta;
+} ubuf;
+
+void main()
+{
+    vec4 fg = texture(source, qt_TexCoord0);
+    vec4 bg = texture(shadow, qt_TexCoord0 + ubuf.delta);
+    fragColor = (fg + vec4(0., 0., 0., ubuf.darkness * bg.a) * (1. - fg.a)) * ubuf.qt_Opacity;
 }