ab7ff17156
TopDeviceSurfaceFillContext can return null if there is a paint filter on the canvas. Change-Id: I4aa5db63278a561dabea3390b0975bf072e1f679 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/434918 Commit-Queue: John Stiles <johnstiles@google.com> Auto-Submit: John Stiles <johnstiles@google.com> Reviewed-by: Robert Phillips <robertphillips@google.com>
39 lines
1.2 KiB
C++
39 lines
1.2 KiB
C++
/*
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* Copyright 2019 Google LLC.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "gm/gm.h"
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#include "include/core/SkCanvas.h"
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#include "include/core/SkImageInfo.h"
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#include "include/core/SkMatrix.h"
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#include "include/core/SkRect.h"
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#include "include/core/SkTypes.h"
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#include "src/core/SkCanvasPriv.h"
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#include "src/gpu/GrFragmentProcessor.h"
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#include "src/gpu/GrSurfaceFillContext.h"
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#include "src/gpu/SkGr.h"
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#include "src/gpu/effects/GrTextureEffect.h"
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#include "tools/Resources.h"
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DEF_SIMPLE_GPU_GM(swizzle, rContext, canvas, 512, 512) {
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auto sfc = SkCanvasPriv::TopDeviceSurfaceFillContext(canvas);
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if (!sfc) {
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return;
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}
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SkBitmap bmp;
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GetResourceAsBitmap("images/mandrill_512_q075.jpg", &bmp);
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auto view = std::get<0>(GrMakeCachedBitmapProxyView(rContext, bmp, GrMipmapped::kNo));
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if (!view) {
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return;
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}
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std::unique_ptr<GrFragmentProcessor> imgFP =
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GrTextureEffect::Make(std::move(view), bmp.alphaType(), SkMatrix());
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auto fp = GrFragmentProcessor::SwizzleOutput(std::move(imgFP), GrSwizzle("grb1"));
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sfc->fillWithFP(std::move(fp));
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}
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