1 files changed, 20 insertions, 0 deletions
diff --git a/examples/quick/shadereffects/content/shaders/+hlsl/shadow.frag b/examples/quick/shadereffects/content/shaders/+hlsl/shadow.frag
new file mode 100644
index 0000000000..a86a25e007
--- /dev/null
+++ b/examples/quick/shadereffects/content/shaders/+hlsl/shadow.frag
@@ -0,0 +1,20 @@
+cbuffer ConstantBuffer : register(b0)
+{
+    float4x4 qt_Matrix;
+    float qt_Opacity;
+    float2 offset;
+    float2 delta;
+    float darkness;
+};
+
+Texture2D source : register(t0);
+SamplerState sourceSampler : register(s0);
+Texture2D shadow : register(t1);
+SamplerState shadowSampler : register(s1);
+
+float4 main(float4 position : SV_POSITION, float2 coord : TEXCOORD0) : SV_TARGET
+{
+    float4 fg = source.Sample(sourceSampler, coord);
+    float4 bg = shadow.Sample(shadowSampler, coord + delta);
+    return (fg + float4(0.0, 0.0, 0.0, darkness * bg.a) * (1.0 - fg.a)) * qt_Opacity;
+}