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(Surface_WrapBackendTexture, 256, 256, false, 3) { draw(SkCanvas * canvas)5 void draw(SkCanvas * canvas) { 6 SkFont font(fontMgr->matchFamilyStyle(nullptr, {}), 32); 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<SkSurface> gpuSurface = SkSurfaces::WrapBackendTexture(direct, 21 backEndTexture, 22 kTopLeft_GrSurfaceOrigin, 23 0, 24 kRGBA_8888_SkColorType, 25 nullptr, 26 nullptr, 27 nullptr); 28 auto surfaceCanvas = gpuSurface->getCanvas(); 29 surfaceCanvas->drawString("GPU rocks!", 20, 40, font, paint); 30 sk_sp<SkImage> image(gpuSurface->makeImageSnapshot()); 31 canvas->drawImage(image, 0, 0); 32 } 33 } // END FIDDLE 34