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// HASH=d093aad721261f421c4bef4a296aab48
5REG_FIDDLE(Image_getBackendTexture, 256, 256, false, 3) {
6void draw(SkCanvas* canvas) {
7    SkFont font;
8    SkPaint paint;
9
10    GrRecordingContext* context = canvas->recordingContext();
11    if (!context) {
12        canvas->drawString("GPU only!", 20, 40, font, paint);
13        return;
14    }
15    GrDirectContext* direct = context->asDirectContext();
16    if (!direct) {
17        canvas->drawString("Direct context only!", 20, 40, font, paint);
18        return;
19    }
20
21    sk_sp<SkImage> imageFromBackend = SkImage::MakeFromAdoptedTexture(direct,
22                                                                      backEndTexture,
23                                                                      kBottomLeft_GrSurfaceOrigin,
24                                                                      kRGBA_8888_SkColorType,
25                                                                      kOpaque_SkAlphaType);
26    GrBackendTexture textureFromImage = imageFromBackend->getBackendTexture(false);
27    if (!textureFromImage.isValid()) {
28        return;
29    }
30    sk_sp<SkImage> imageFromTexture = SkImage::MakeFromAdoptedTexture(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