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=d3aec071998f871809f515e58abb1b0e
5REG_FIDDLE(Surface_MakeFromBackendTexture, 256, 256, false, 3) {
6void draw(SkCanvas* canvas) {
7    SkFont font(nullptr, 32);
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<SkSurface> gpuSurface = SkSurface::MakeFromBackendTexture(direct,
22                                                                    backEndTexture,
23                                                                    kTopLeft_GrSurfaceOrigin,
24                                                                    0,
25                                                                    kRGBA_8888_SkColorType,
26                                                                    nullptr,
27                                                                    nullptr,
28                                                                    nullptr);
29    auto surfaceCanvas = gpuSurface->getCanvas();
30    surfaceCanvas->drawString("GPU rocks!", 20, 40, font, paint);
31    sk_sp<SkImage> image(gpuSurface->makeImageSnapshot());
32    canvas->drawImage(image, 0, 0);
33}
34}  // END FIDDLE
35