--- /dev/null
+GEOM
+PROPERTY GS_INPUT_PRIMITIVE TRIANGLES
+PROPERTY GS_OUTPUT_PRIMITIVE LINE_STRIP
+PROPERTY GS_MAX_OUTPUT_VERTICES 8
+DCL IN[][0], POSITION, CONSTANT
+DCL IN[][1], COLOR, CONSTANT
+DCL OUT[0], POSITION, CONSTANT
+DCL OUT[1], COLOR, CONSTANT
+DCL TEMP[0]
+
+MOV TEMP[0], IN[0][0]
+ADD TEMP[0].y, IN[0][0], IN[1][0]
+
+MOV OUT[0], TEMP[0]
+MOV OUT[1], IN[0][1]
+EMIT
+MOV OUT[0], IN[2][0]
+MOV OUT[1], IN[0][1]
+EMIT
+MOV OUT[0], IN[0][0]
+MOV OUT[1], IN[2][1]
+EMIT
+MOV OUT[0], TEMP[0]
+MOV OUT[1], IN[0][1]
+EMIT
+ENDPRIM
+
+MOV OUT[0], TEMP[0]
+MOV OUT[1], IN[0][1]
+EMIT
+MOV OUT[0], IN[2][0]
+MOV OUT[1], IN[0][1]
+EMIT
+MOV OUT[0], IN[1][0]
+MOV OUT[1], IN[2][1]
+EMIT
+MOV OUT[0], TEMP[0]
+MOV OUT[1], IN[0][1]
+EMIT
+ENDPRIM
+
+END