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
5 REG_FIDDLE(Surface_MakeFromBackendTexture, 256, 256, false, 3) {
draw(SkCanvas * canvas)6 void 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