| // Copyright 2019 Google LLC. |
| // Use of this source code is governed by a BSD-style license that can be found in the LICENSE file. |
| #include "tools/fiddle/examples.h" |
| // HASH=06aeb3cf63ffccf7b49fe556e5def351 |
| REG_FIDDLE(Image_MakeBackendTextureFromSkImage, 256, 64, false, 0) { |
| static sk_sp<SkImage> create_gpu_image(GrRecordingContext* rContext) { |
| const SkImageInfo info = SkImageInfo::MakeN32(20, 20, kOpaque_SkAlphaType); |
| auto surface(SkSurface::MakeRenderTarget(rContext, skgpu::Budgeted::kNo, info)); |
| SkCanvas* canvas = surface->getCanvas(); |
| canvas->clear(SK_ColorWHITE); |
| SkPaint paint; |
| paint.setColor(SK_ColorBLACK); |
| canvas->drawRect(SkRect::MakeXYWH(5, 5, 10, 10), paint); |
| return surface->makeImageSnapshot(); |
| } |
| |
| void draw(SkCanvas* canvas) { |
| auto dContext = GrAsDirectContext(canvas->recordingContext()); |
| if (!dContext) { |
| return; |
| } |
| sk_sp<SkImage> backEndImage = create_gpu_image(dContext); |
| canvas->drawImage(backEndImage, 0, 0); |
| GrBackendTexture texture; |
| SkImage::BackendTextureReleaseProc proc; |
| if (!SkImage::MakeBackendTextureFromSkImage(dContext, std::move(backEndImage), |
| &texture, &proc)) { |
| return; |
| } |
| sk_sp<SkImage> i2 = SkImage::MakeFromTexture(dContext, texture, kTopLeft_GrSurfaceOrigin, |
| kN32_SkColorType, kOpaque_SkAlphaType, nullptr); |
| canvas->drawImage(i2, 30, 30); |
| } |
| } // END FIDDLE |