1 files changed, 21 insertions, 0 deletions
diff --git a/src/effects/shaders/lineargradient.vert b/src/effects/shaders/lineargradient.vert
new file mode 100644
index 0000000..e01854c
--- /dev/null
+++ b/src/effects/shaders/lineargradient.vert
@@ -0,0 +1,21 @@
+attribute highp vec4 qt_Vertex;
+attribute highp vec2 qt_MultiTexCoord0;
+uniform highp mat4 qt_Matrix;
+varying highp vec2 qt_TexCoord0;
+varying highp vec2 qt_TexCoord1;
+uniform highp vec2 startPoint;
+uniform highp float l;
+uniform highp vec2 matrixData;
+
+void main() {
+    highp mat2 rot = mat2(matrixData.y, -matrixData.x,
+                          matrixData.x,  matrixData.y);
+
+    qt_TexCoord0 = qt_MultiTexCoord0;
+
+    qt_TexCoord1 = qt_MultiTexCoord0 * l;
+    qt_TexCoord1 -= startPoint * l;
+    qt_TexCoord1 *= rot;
+
+    gl_Position = qt_Matrix * qt_Vertex;
+}