"Modularize" SkSG

* relocate all SkSG-related files under modules/sksg/
* fix various tidbits to make non-sksg builds possible
* drop obsolete SampleSGInval.cpp

Change-Id: I54e6c5bb1a09f45030fa8d607b3eb3f7cba78957
Reviewed-on: https://skia-review.googlesource.com/130025
Commit-Queue: Florin Malita <fmalita@chromium.org>
Reviewed-by: Mike Klein <mtklein@google.com>

1 files changed, 36 insertions, 0 deletions

diff --git a/modules/sksg/src/SkSGPlane.cpp b/modules/sksg/src/SkSGPlane.cpp
new file mode 100644
index 0000000000..806fcc7d29
--- /dev/null
+++ b/modules/sksg/src/SkSGPlane.cpp
@@ -0,0 +1,36 @@
+/*
+ * Copyright 2018 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "SkSGPlane.h"
+
+#include "SkCanvas.h"
+#include "SkPath.h"
+
+namespace sksg {
+
+Plane::Plane() = default;
+
+void Plane::onClip(SkCanvas*, bool) const {}
+
+void Plane::onDraw(SkCanvas* canvas, const SkPaint& paint) const {
+    canvas->drawPaint(paint);
+}
+
+SkRect Plane::onRevalidate(InvalidationController*, const SkMatrix&) {
+    SkASSERT(this->hasInval());
+
+    return SkRect::MakeLTRB(SK_ScalarMin, SK_ScalarMin, SK_ScalarMax, SK_ScalarMax);
+}
+
+SkPath Plane::onAsPath() const {
+    SkPath path;
+    path.setFillType(SkPath::kInverseWinding_FillType);
+
+    return path;
+}
+
+} // namespace sksg