2c59659821
The math isn't that complex and the existing code has intergralization of the profile size that makes getting the texture coords correct tricky (and currently wrong). Bug: skia:9319 Change-Id: Ic928737ce4c40d28ee0696c3628e914f35ffe371 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/233985 Commit-Queue: Brian Salomon <bsalomon@google.com> Reviewed-by: Robert Phillips <robertphillips@google.com>
41 lines
1.1 KiB
C++
41 lines
1.1 KiB
C++
/*
|
|
* Copyright 2019 Google LLC
|
|
*
|
|
* Use of this source code is governed by a BSD-style license that can be
|
|
* found in the LICENSE file.
|
|
*/
|
|
|
|
#include "gm/gm.h"
|
|
#include "include/core/SkCanvas.h"
|
|
#include "include/core/SkMaskFilter.h"
|
|
#include "include/core/SkPaint.h"
|
|
#include "include/core/SkRRect.h"
|
|
#include "include/core/SkRect.h"
|
|
|
|
// Illustrates a bug where the outer portion of the GPU rect blur was too dark with a small sigma.
|
|
DEF_SIMPLE_GM(skbug_9319, canvas, 256, 512) {
|
|
SkPaint p;
|
|
p.setAntiAlias(true);
|
|
p.setMaskFilter(SkMaskFilter::MakeBlur(kNormal_SkBlurStyle, 0.5f));
|
|
|
|
const auto r = SkRect::MakeXYWH(10, 10, 100, 100);
|
|
|
|
{
|
|
SkAutoCanvasRestore acr(canvas, true);
|
|
// Clip out interior so that the outer portion stands out.
|
|
canvas->clipRect(r, SkClipOp::kDifference);
|
|
canvas->drawRect(r, p);
|
|
}
|
|
|
|
canvas->translate(0, 120);
|
|
|
|
|
|
// RRect for comparison.
|
|
const auto rr = SkRRect::MakeRectXY(r, .1f, .1f);
|
|
{
|
|
SkAutoCanvasRestore acr(canvas, true);
|
|
canvas->clipRRect(rr, SkClipOp::kDifference);
|
|
canvas->drawRRect(rr, p);
|
|
}
|
|
}
|