1 files changed, 26 insertions, 0 deletions
diff --git a/gsk/vulkan/resources/inset-shadow.frag b/gsk/vulkan/resources/inset-shadow.frag
new file mode 100644
index 0000000000..594b325c47
--- /dev/null
+++ b/gsk/vulkan/resources/inset-shadow.frag
@@ -0,0 +1,26 @@
+#version 420 core
+
+#include "clip.frag.glsl"
+#include "rounded-rect.glsl"
+
+layout(location = 0) in vec2 inPos;
+layout(location = 1) in flat vec4 inOutline;
+layout(location = 2) in flat vec4 inOutlineCornerWidths;
+layout(location = 3) in flat vec4 inOutlineCornerHeights;
+layout(location = 4) in flat vec4 inColor;
+layout(location = 5) in flat vec2 inOffset;
+layout(location = 6) in flat float inSpread;
+
+layout(location = 0) out vec4 color;
+
+void main()
+{
+  RoundedRect outline = RoundedRect (vec4(inOutline.xy, inOutline.xy + inOutline.zw), inOutlineCornerWidths, inOutlineCornerHeights);
+  RoundedRect inside = rounded_rect_shrink (outline, vec4(inSpread));
+
+  color = vec4(inColor.rgb * inColor.a, inColor.a);
+  color = color * clamp (rounded_rect_coverage (outline, inPos) -
+                         rounded_rect_coverage (inside, inPos - inOffset),
+                         0.0, 1.0);
+  color = clip (inPos, color);
+}