1 // Copyright 2019 Google LLC.
2 // Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
3 #include "tools/fiddle/examples.h"
4 REG_FIDDLE(Image_GetBackendTextureFromImage, 256, 256, false, 3) {
draw(SkCanvas * canvas)5 void draw(SkCanvas* canvas) {
6 SkFont font = SkFont(fontMgr->matchFamilyStyle(nullptr, {}));
7 SkPaint paint;
8
9 GrRecordingContext* context = canvas->recordingContext();
10 if (!context) {
11 canvas->drawString("GPU only!", 20, 40, font, paint);
12 return;
13 }
14 GrDirectContext* direct = context->asDirectContext();
15 if (!direct) {
16 canvas->drawString("Direct context only!", 20, 40, font, paint);
17 return;
18 }
19
20 sk_sp<SkImage> imageFromBackend = SkImages::AdoptTextureFrom(direct,
21 backEndTexture,
22 kBottomLeft_GrSurfaceOrigin,
23 kRGBA_8888_SkColorType,
24 kOpaque_SkAlphaType);
25 GrBackendTexture textureFromImage;
26 if (!SkImages::GetBackendTextureFromImage(imageFromBackend, &textureFromImage, false)) {
27 return;
28 }
29
30 sk_sp<SkImage> imageFromTexture = SkImages::AdoptTextureFrom(direct,
31 textureFromImage,
32 kTopLeft_GrSurfaceOrigin,
33 kRGBA_8888_SkColorType,
34 kOpaque_SkAlphaType);
35 canvas->drawImage(imageFromTexture, 0, 0);
36 canvas->drawImage(imageFromBackend, 128, 128);
37 }
38 } // END FIDDLE
39