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, 54 insertions, 0 deletions

diff --git a/src/gpu/GrFixedClip.cpp b/src/gpu/GrFixedClip.cpp
new file mode 100644
index 0000000000..c42214b271
--- /dev/null
+++ b/src/gpu/GrFixedClip.cpp
@@ -0,0 +1,54 @@
+/*
+ * Copyright 2010 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "GrFixedClip.h"
+
+#include "GrAppliedClip.h"
+#include "GrDrawContext.h"
+
+bool GrFixedClip::quickContains(const SkRect& rect) const {
+    if (fHasStencilClip) {
+        return false;
+    }
+    return !fScissorState.enabled() || GrClip::IsInsideClip(fScissorState.rect(), rect);
+}
+
+void GrFixedClip::getConservativeBounds(int width, int height, SkIRect* devResult,
+                                        bool* isIntersectionOfRects) const {
+    devResult->setXYWH(0, 0, width, height);
+    if (fScissorState.enabled()) {
+        if (!devResult->intersect(fScissorState.rect())) {
+            devResult->setEmpty();
+        }
+    }
+    if (isIntersectionOfRects) {
+        *isIntersectionOfRects = true;
+    }
+}
+
+bool GrFixedClip::apply(GrContext*, GrDrawContext* drawContext, bool isHWAntiAlias,
+                        bool hasUserStencilSettings, GrAppliedClip* out) const {
+    if (fScissorState.enabled()) {
+        SkIRect tightScissor;
+        if (!tightScissor.intersect(fScissorState.rect(),
+                                    SkIRect::MakeWH(drawContext->width(), drawContext->height()))) {
+            return false;
+        }
+        if (IsOutsideClip(tightScissor, out->clippedDrawBounds())) {
+            return false;
+        }
+        if (!IsInsideClip(fScissorState.rect(), out->clippedDrawBounds())) {
+            out->addScissor(tightScissor);
+        }
+    }
+
+    if (fHasStencilClip) {
+        out->addStencilClip();
+    }
+
+    return true;
+}