Migrate shadereffects example to be cross-backend

...while demonstrating best practices like file selectors.

Task-number: QTBUG-52914
Change-Id: Ibf7bca77b7b142f5ccb956e05efc5be974d53c79
Reviewed-by: Andy Nichols <andy.nichols@qt.io>

1 files changed, 31 insertions, 0 deletions

diff --git a/examples/quick/shadereffects/content/shaders/+hlsl/genie.vert b/examples/quick/shadereffects/content/shaders/+hlsl/genie.vert
new file mode 100644
index 0000000000..40876e7996
--- /dev/null
+++ b/examples/quick/shadereffects/content/shaders/+hlsl/genie.vert
@@ -0,0 +1,31 @@
+cbuffer ConstantBuffer : register(b0)
+{
+    float4x4 qt_Matrix;
+    float qt_Opacity;
+    float bend;
+    float minimize;
+    float side;
+    float width;
+    float height;
+};
+
+struct PSInput
+{
+    float4 position : SV_POSITION;
+    float2 coord : TEXCOORD0;
+};
+
+PSInput main(float4 position : POSITION, float2 coord : TEXCOORD0)
+{
+    PSInput result;
+    result.coord = coord;
+
+    float4 pos = position;
+    pos.y = lerp(position.y, height, minimize);
+    float t = pos.y / height;
+    t = (3.0 - 2.0 * t) * t * t;
+    pos.x = lerp(position.x, side * width, t * bend);
+    result.position = mul(qt_Matrix, pos);
+
+    return result;
+}