Move GrFixedClip into src directory

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2254343003

Review-Url: https://codereview.chromium.org/2254343003

1 files changed, 50 insertions, 0 deletions

diff --git a/src/gpu/GrFixedClip.h b/src/gpu/GrFixedClip.h
new file mode 100644
index 0000000000..01498c1161
--- /dev/null
+++ b/src/gpu/GrFixedClip.h
@@ -0,0 +1,50 @@
+/*
+ * Copyright 2016 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef GrFixedClip_DEFINED
+#define GrFixedClip_DEFINED
+
+#include "GrClip.h"
+#include "GrTypesPriv.h"
+
+/**
+ * GrFixedClip is a clip that can be represented by fixed-function hardware. It never modifies the
+ * stencil buffer itself, but can be configured to use whatever clip is already there.
+ */
+class GrFixedClip final : public GrClip {
+public:
+    GrFixedClip() : fHasStencilClip(false) {}
+    GrFixedClip(const SkIRect& scissorRect)
+        : fScissorState(scissorRect)
+        , fHasStencilClip(false) {}
+
+    void reset() {
+        fScissorState.setDisabled();
+        fHasStencilClip = false;
+    }
+
+    void reset(const SkIRect& scissorRect) {
+        fScissorState.set(scissorRect);
+        fHasStencilClip = false;
+    }
+
+    void enableStencilClip() { fHasStencilClip = true; }
+    void disableStencilClip() { fHasStencilClip = false; }
+
+    bool quickContains(const SkRect&) const final;
+    void getConservativeBounds(int width, int height, SkIRect* devResult,
+                               bool* isIntersectionOfRects) const final;
+
+private:
+    bool apply(GrContext*, GrDrawContext*, bool useHWAA, bool hasUserStencilSettings,
+               GrAppliedClip* out) const final;
+
+    GrScissorState   fScissorState;
+    bool             fHasStencilClip;
+};
+
+#endif