Hal Canary | 8751512 | 2019-03-15 14:22:51 -0400 | [diff] [blame] | 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. |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 3 | #include "tools/fiddle/examples.h" |
Hal Canary | 8751512 | 2019-03-15 14:22:51 -0400 | [diff] [blame] | 4 | // HASH=6de6f3ef699a72ff26da1b26b23a3316 |
Hal Canary | a7181e7c | 2019-03-18 16:06:34 -0400 | [diff] [blame] | 5 | REG_FIDDLE(Surface_characterize, 256, 64, false, 0) { |
Hal Canary | 8751512 | 2019-03-15 14:22:51 -0400 | [diff] [blame] | 6 | void draw(SkCanvas* canvas) { |
Robert Phillips | d1ce4cb | 2020-07-10 16:20:53 -0400 | [diff] [blame] | 7 | SkFont font(nullptr, 32); |
Hal Canary | 8751512 | 2019-03-15 14:22:51 -0400 | [diff] [blame] | 8 | SkPaint paint; |
Robert Phillips | d1ce4cb | 2020-07-10 16:20:53 -0400 | [diff] [blame] | 9 | auto context = canvas->recordingContext(); |
Hal Canary | 8751512 | 2019-03-15 14:22:51 -0400 | [diff] [blame] | 10 | if (!context) { |
Robert Phillips | d1ce4cb | 2020-07-10 16:20:53 -0400 | [diff] [blame] | 11 | canvas->drawString("GPU only!", 20, 40, font, paint); |
Hal Canary | 8751512 | 2019-03-15 14:22:51 -0400 | [diff] [blame] | 12 | return; |
| 13 | } |
| 14 | sk_sp<SkSurface> gpuSurface = SkSurface::MakeRenderTarget( |
| 15 | context, SkBudgeted::kYes, SkImageInfo::MakeN32Premul(64, 64)); |
| 16 | SkSurfaceCharacterization characterization; |
| 17 | if (!gpuSurface->characterize(&characterization)) { |
Robert Phillips | d1ce4cb | 2020-07-10 16:20:53 -0400 | [diff] [blame] | 18 | canvas->drawString("characterization unsupported", 20, 40, font, paint); |
Hal Canary | 8751512 | 2019-03-15 14:22:51 -0400 | [diff] [blame] | 19 | return; |
| 20 | } |
| 21 | // start of threadable work |
| 22 | SkDeferredDisplayListRecorder recorder(characterization); |
| 23 | SkCanvas* subCanvas = recorder.getCanvas(); |
| 24 | subCanvas->clear(SK_ColorGREEN); |
Adlai Holler | f19bbb5 | 2020-06-29 10:00:08 -0400 | [diff] [blame] | 25 | sk_sp<SkDeferredDisplayList> displayList = recorder.detach(); |
Hal Canary | 8751512 | 2019-03-15 14:22:51 -0400 | [diff] [blame] | 26 | // end of threadable work |
Adlai Holler | f19bbb5 | 2020-06-29 10:00:08 -0400 | [diff] [blame] | 27 | gpuSurface->draw(displayList); |
Hal Canary | 8751512 | 2019-03-15 14:22:51 -0400 | [diff] [blame] | 28 | sk_sp<SkImage> img = gpuSurface->makeImageSnapshot(); |
| 29 | canvas->drawImage(std::move(img), 0, 0); |
| 30 | } |
| 31 | } // END FIDDLE |