1 files changed, 11 insertions, 0 deletions
diff --git a/src/effects/shaders/lineargradient_mask.frag b/src/effects/shaders/lineargradient_mask.frag
new file mode 100644
index 0000000..0fed39f
--- /dev/null
+++ b/src/effects/shaders/lineargradient_mask.frag
@@ -0,0 +1,11 @@
+uniform lowp sampler2D source;
+uniform lowp sampler2D maskSource;
+uniform lowp float qt_Opacity;
+varying highp vec2 qt_TexCoord0;
+varying highp vec2 qt_TexCoord1;
+
+void main() {
+    lowp vec4 gradientColor = texture2D(source, qt_TexCoord1);
+    lowp float maskAlpha = texture2D(maskSource, qt_TexCoord0).a;
+    gl_FragColor = gradientColor * maskAlpha * qt_Opacity;
+}