Convert GrClip to an abstract base class

src/gpu/GrDrawContext.cpp

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrBatchTest.h"
 #include "GrColor.h"
 #include "GrDrawContext.h"
@@ skipping 283 matching lines @@
     AutoCheckFlush acf(fDrawingManager);
 
     const SkStrokeRec& stroke = style->strokeRec();
     SkScalar width = stroke.getWidth();
 
     // Check if this is a full RT draw and can be replaced with a clear. We don't bother checking
     // cases where the RT is fully inside a stroke.
     if (width < 0) {
         SkRect rtRect;
         fRenderTarget->getBoundsRect(&rtRect);
-        SkRect clipSpaceRTRect = rtRect;
-        bool checkClip = GrClip::kWideOpen_ClipType != clip.clipType();
-        if (checkClip) {
-            clipSpaceRTRect.offset(SkIntToScalar(clip.origin().fX),
-                                   SkIntToScalar(clip.origin().fY));
-        }
         // Does the clip contain the entire RT?
-        if (!checkClip || clip.quickContains(clipSpaceRTRect)) {
+        if (clip.quickContains(rtRect)) {
             SkMatrix invM;
             if (!viewMatrix.invert(&invM)) {
                 return;
             }
             // Does the rect bound the RT?
             SkPoint srcSpaceRTQuad[4];
             invM.mapRectToQuad(srcSpaceRTQuad, rtRect);
             if (rect_contains_inclusive(rect, srcSpaceRTQuad[0]) &&
                 rect_contains_inclusive(rect, srcSpaceRTQuad[1]) &&
                 rect_contains_inclusive(rect, srcSpaceRTQuad[2]) &&
@@ skipping 45 matching lines @@
         this->getDrawTarget()->drawBatch(pipelineBuilder, clip, batch);
         return;
     }
 
     SkPath path;
     path.setIsVolatile(true);
     path.addRect(rect);
     this->internalDrawPath(clip, paint, viewMatrix, path, *style);
 }
 
-bool GrDrawContextPriv::drawAndStencilRect(const GrClip& clip,
+bool GrDrawContextPriv::drawAndStencilRect(const GrFixedClip& clip,
                                            const GrUserStencilSettings* ss,
                                            SkRegion::Op op,
                                            bool invert,
                                            bool doAA,
                                            const SkMatrix& viewMatrix,
                                            const SkRect& rect) {
     ASSERT_SINGLE_OWNER_PRIV
     RETURN_FALSE_IF_ABANDONED_PRIV
     SkDEBUGCODE(fDrawContext->validate();)
     GR_AUDIT_TRAIL_AUTO_FRAME(fDrawContext->fAuditTrail, "GrDrawContext::stencilRect");
@@ skipping 444 matching lines @@
     }
 
     // Note that internalDrawPath may sw-rasterize the path into a scratch texture.
     // Scratch textures can be recycled after they are returned to the texture
     // cache. This presents a potential hazard for buffered drawing. However,
     // the writePixels that uploads to the scratch will perform a flush so we're
     // OK.
     this->internalDrawPath(clip, paint, viewMatrix, path, style);
 }
 
-bool GrDrawContextPriv::drawAndStencilPath(const GrClip& clip,
+bool GrDrawContextPriv::drawAndStencilPath(const GrFixedClip& clip,
                                            const GrUserStencilSettings* ss,
                                            SkRegion::Op op,
                                            bool invert,
                                            bool doAA,
                                            const SkMatrix& viewMatrix,
                                            const SkPath& path) {
     ASSERT_SINGLE_OWNER_PRIV
     RETURN_FALSE_IF_ABANDONED_PRIV
     SkDEBUGCODE(fDrawContext->validate();)
     GR_AUDIT_TRAIL_AUTO_FRAME(fDrawContext->fAuditTrail, "GrDrawContext::drawPath");
@@ skipping 161 matching lines @@
 
 void GrDrawContext::drawBatch(GrPipelineBuilder* pipelineBuilder, const GrClip& clip,
                               GrDrawBatch* batch) {
     ASSERT_SINGLE_OWNER
     RETURN_IF_ABANDONED
     SkDEBUGCODE(this->validate();)
     GR_AUDIT_TRAIL_AUTO_FRAME(fAuditTrail, "GrDrawContext::drawBatch");
 
     this->getDrawTarget()->drawBatch(*pipelineBuilder, clip, batch);
 }