13dddce65f
Designed for Flutter's threading architecture, with an eye to being useful to other clients. Under the hood, uses a new image generator class to lazily wrap a texture for multiple GrContexts. Re-land of https://skia-review.googlesource.com/c/14180/ Bug: skia: Change-Id: I3dd382640629b79b3058f18fee68d043566e43e5 Reviewed-on: https://skia-review.googlesource.com/15895 Reviewed-by: Brian Salomon <bsalomon@google.com> Commit-Queue: Brian Osman <brianosman@google.com>
40 lines
1.2 KiB
C++
40 lines
1.2 KiB
C++
/*
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* Copyright 2017 Google Inc.
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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.h"
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#include "Resources.h"
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#if SK_SUPPORT_GPU
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#include "GrContext.h"
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#include "SkImage.h"
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DEF_SIMPLE_GM(cross_context_image, canvas, 512 + 512 + 30, 512 + 128 + 30) {
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GrContext* context = canvas->getGrContext();
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if (!context) {
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skiagm::GM::DrawGpuOnlyMessage(canvas);
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return;
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}
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sk_sp<SkData> encodedData = GetResourceAsData("mandrill_512.png");
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sk_sp<SkImage> encodedImage = SkImage::MakeFromEncoded(encodedData);
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canvas->drawImage(encodedImage, 10, 10);
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sk_sp<SkImage> crossContextImage = SkImage::MakeCrossContextFromEncoded(
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context, encodedData, false, canvas->imageInfo().colorSpace());
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canvas->drawImage(crossContextImage, 512 + 30, 10);
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SkIRect subset = SkIRect::MakeXYWH(256 - 64, 256 - 64, 128, 128);
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sk_sp<SkImage> encodedSubset = encodedImage->makeSubset(subset);
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sk_sp<SkImage> crossContextSubset = crossContextImage->makeSubset(subset);
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canvas->drawImage(encodedSubset, 10, 512 + 30);
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canvas->drawImage(crossContextSubset, 512 + 30, 512 + 30);
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}
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#endif
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