1 files changed, 20 insertions, 0 deletions
diff --git a/examples/quick/shadereffects/content/shaders/rhi/colorize.frag b/examples/quick/shadereffects/content/shaders/rhi/colorize.frag
new file mode 100644
index 0000000000..bc8067cc8c
--- /dev/null
+++ b/examples/quick/shadereffects/content/shaders/rhi/colorize.frag
@@ -0,0 +1,20 @@
+#version 440
+
+layout(location = 0) in vec2 qt_TexCoord0;
+layout(location = 0) out vec4 fragColor;
+
+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);
+}