Trim the copy of the dst made for dst-reading effects using the clip and dev-bounds of draw.
Adds dev bounds to circles and rects drawn by GrDrawTarget base class (GrIODB already provides rect bounds).
Author: bsalomon@google.com
Reviewed By: robertphilips@google.com,jvanverth@google.com,robertphillips@google.com
Review URL: https://chromiumcodereview.appspot.com/13222004
git-svn-id: http://skia.googlecode.com/svn/trunk@8453 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/gpu/GrOvalRenderer.cpp b/src/gpu/GrOvalRenderer.cpp
index 2d25d54..7da89bd 100644
--- a/src/gpu/GrOvalRenderer.cpp
+++ b/src/gpu/GrOvalRenderer.cpp
@@ -136,24 +136,21 @@
verts[i].fInnerRadius = innerRadius - 0.5f;
}
- SkScalar L = -outerRadius;
- SkScalar R = +outerRadius;
- SkScalar T = -outerRadius;
- SkScalar B = +outerRadius;
-
// We've extended the outer radius out half a pixel to antialias.
// Expand the drawn rect here so all the pixels will be captured.
- L += center.fX - SK_ScalarHalf;
- R += center.fX + SK_ScalarHalf;
- T += center.fY - SK_ScalarHalf;
- B += center.fY + SK_ScalarHalf;
+ SkRect bounds = SkRect::MakeLTRB(
+ center.fX - outerRadius - SK_ScalarHalf,
+ center.fY - outerRadius - SK_ScalarHalf,
+ center.fX + outerRadius + SK_ScalarHalf,
+ center.fY + outerRadius + SK_ScalarHalf
+ );
- verts[0].fPos = SkPoint::Make(L, T);
- verts[1].fPos = SkPoint::Make(R, T);
- verts[2].fPos = SkPoint::Make(L, B);
- verts[3].fPos = SkPoint::Make(R, B);
+ verts[0].fPos = SkPoint::Make(bounds.fLeft, bounds.fTop);
+ verts[1].fPos = SkPoint::Make(bounds.fRight, bounds.fTop);
+ verts[2].fPos = SkPoint::Make(bounds.fLeft, bounds.fBottom);
+ verts[3].fPos = SkPoint::Make(bounds.fRight, bounds.fBottom);
- target->drawNonIndexed(kTriangleStrip_GrPrimitiveType, 0, 4);
+ target->drawNonIndexed(kTriangleStrip_GrPrimitiveType, 0, 4, &bounds);
}
void GrOvalRenderer::drawEllipse(GrDrawTarget* target,