1 files changed, 50 insertions, 0 deletions
diff --git a/shaders/skia/13-51.shader_test b/shaders/skia/13-51.shader_test
new file mode 100644
index 0000000..a943287
--- /dev/null
+++ b/shaders/skia/13-51.shader_test
@@ -0,0 +1,50 @@
+[require]
+GLSL >= 1.40
+
+[fragment shader]
+#version 140
+
+#extension GL_ARB_fragment_coord_conventions : require
+layout(origin_upper_left) in vec4 gl_FragCoord;
+out vec4 sk_FragColor;
+uniform vec4 uellipse_Stage1;
+flat in vec4 vcolor_Stage0;
+void main() {
+    vec4 outputColor_Stage0;
+    {
+        outputColor_Stage0 = vcolor_Stage0;
+    }
+    vec4 output_Stage1;
+    {
+        vec2 d = gl_FragCoord.xy - uellipse_Stage1.xy;
+        vec2 Z = d * uellipse_Stage1.zw;
+        float implicit = dot(Z, d) - 1.0;
+        float grad_dot = 4.0 * dot(Z, Z);
+        {
+            grad_dot = max(grad_dot, 1.1754999560161448e-38);
+        }
+        float approx_dist = implicit * inversesqrt(grad_dot);
+        float alpha;
+        {
+            alpha = clamp(0.5 - approx_dist, 0.0, 1.0);
+        }
+        output_Stage1 = vec4(alpha);
+    }
+    {
+        sk_FragColor = outputColor_Stage0 * output_Stage1;
+    }
+}
+
+[vertex shader]
+#version 140
+
+uniform vec4 sk_RTAdjust;
+in vec2 position;
+in vec4 color;
+flat out vec4 vcolor_Stage0;
+void main() {
+    vcolor_Stage0 = color;
+    gl_Position = vec4(position.x, position.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);
+}
+