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, 17 insertions, 9 deletions

diff --git a/examples/quick/shadereffects/content/shaders/colorize.frag b/examples/quick/shadereffects/content/shaders/colorize.frag
index 1219ef2460..bc8067cc8c 100644
--- a/examples/quick/shadereffects/content/shaders/colorize.frag
+++ b/examples/quick/shadereffects/content/shaders/colorize.frag
@@ -1,12 +1,20 @@
-uniform sampler2D source;
-uniform lowp vec4 tint;
-uniform lowp 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 c = texture2D(source, qt_TexCoord0);
-    lowp float lo = min(min(c.x, c.y), c.z);
-    lowp float hi = max(max(c.x, c.y), c.z);
-    gl_FragColor = qt_Opacity * vec4(mix(vec3(lo), vec3(hi), tint.xyz), c.w);
+layout(binding = 1) uniform sampler2D source;
+
+layout(std140, binding = 0) uniform buf {
+    mat4 qt_Matrix;
+    float qt_Opacity;
+    vec4 tint;
+} ubuf;
+
+void main()
+{
+    vec4 c = texture(source, qt_TexCoord0);
+    float lo = min(min(c.x, c.y), c.z);
+    float hi = max(max(c.x, c.y), c.z);
+    fragColor = ubuf.qt_Opacity * vec4(mix(vec3(lo), vec3(hi), ubuf.tint.xyz), c.w);
 }