1 files changed, 20 insertions, 0 deletions
diff --git a/source/blender/gpu/shaders/gpu_shader_gpencil_stroke_frag.glsl b/source/blender/gpu/shaders/gpu_shader_gpencil_stroke_frag.glsl
new file mode 100644
index 00000000000..7bb7693d202
--- /dev/null
+++ b/source/blender/gpu/shaders/gpu_shader_gpencil_stroke_frag.glsl
@@ -0,0 +1,20 @@
+in vec4 mColor;
+in vec2 mTexCoord;
+
+out vec4 fragColor;
+
+void main()
+{
+	const vec2 center = vec2(0, 0.5);
+	vec4 tColor = vec4(mColor);
+	/* if alpha < 0, then encap */
+	if (mColor.a < 0) {
+		tColor.a = tColor.a * -1.0;
+		float dist = length(mTexCoord - center);
+		if (dist > 0.25) {
+			discard;
+		}
+	}
+	/* Solid */
+	fragColor = tColor;
+}