1 files changed, 50 insertions, 0 deletions
diff --git a/shaders/skia/1756.shader_test b/shaders/skia/1756.shader_test
new file mode 100644
index 0000000..5492a76
--- /dev/null
+++ b/shaders/skia/1756.shader_test
@@ -0,0 +1,50 @@
+[require]
+GLSL >= 1.40
+
+[fragment shader]
+#version 140
+
+out vec4 sk_FragColor;
+noperspective in vec2 vEllipseOffsets0_Stage0;
+noperspective in vec2 vEllipseOffsets1_Stage0;
+noperspective in vec4 vinColor_Stage0;
+void main() {
+    vec4 outputCoverage_Stage0;
+    {
+        vec2 scaledOffset = vEllipseOffsets0_Stage0;
+        float test = dot(scaledOffset, scaledOffset) - 1.0;
+        vec2 duvdx = dFdx(vEllipseOffsets0_Stage0);
+        vec2 duvdy = dFdy(vEllipseOffsets0_Stage0);
+        vec2 grad = vec2(vEllipseOffsets0_Stage0.x * duvdx.x + vEllipseOffsets0_Stage0.y * duvdx.y, vEllipseOffsets0_Stage0.x * duvdy.x + vEllipseOffsets0_Stage0.y * duvdy.y);
+        float grad_dot = 4.0 * dot(grad, grad);
+        grad_dot = max(grad_dot, 1.1754999560161448e-38);
+        float invlen = inversesqrt(grad_dot);
+        float edgeAlpha = clamp(1.0 - test * invlen, 0.0, 1.0);
+        edgeAlpha *= clamp(1.0 + test * invlen, 0.0, 1.0);
+        outputCoverage_Stage0 = vec4(edgeAlpha);
+    }
+    {
+        sk_FragColor = outputCoverage_Stage0;
+    }
+}
+
+[vertex shader]
+#version 140
+
+uniform vec4 sk_RTAdjust;
+in vec2 inPosition;
+in vec4 inColor;
+in vec2 inEllipseOffsets0;
+in vec2 inEllipseOffsets1;
+noperspective out vec2 vEllipseOffsets0_Stage0;
+noperspective out vec2 vEllipseOffsets1_Stage0;
+noperspective out vec4 vinColor_Stage0;
+void main() {
+    vEllipseOffsets0_Stage0 = inEllipseOffsets0;
+    vEllipseOffsets1_Stage0 = inEllipseOffsets1;
+    vinColor_Stage0 = inColor;
+    vec2 pos2 = inPosition;
+    gl_Position = vec4(pos2.x, pos2.y, 0.0, 1.0);
+    gl_Position = vec4(gl_Position.xy * sk_RTAdjust.xz + gl_Position.ww * sk_RTAdjust.yw, 0.0, gl_Position.w);
+}
+