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=afc62f38aebc56af8e425297ec67dd37 |
Hal Canary | a7181e7c | 2019-03-18 16:06:34 -0400 | [diff] [blame] | 5 | REG_FIDDLE(Image_isValid, 256, 256, false, 5) { |
Hal Canary | 8751512 | 2019-03-15 14:22:51 -0400 | [diff] [blame] | 6 | void draw(SkCanvas* canvas) { |
Adlai Holler | 14dc791 | 2020-08-11 15:48:49 +0000 | [diff] [blame] | 7 | auto dContext = GrAsDirectContext(canvas->recordingContext()); |
| 8 | if (!dContext) { |
| 9 | return; |
| 10 | } |
Robert Phillips | 3b356c5 | 2020-08-13 14:56:33 -0400 | [diff] [blame] | 11 | |
Hal Canary | 8751512 | 2019-03-15 14:22:51 -0400 | [diff] [blame] | 12 | auto drawImage = [=](sk_sp<SkImage> image, const char* label) -> void { |
| 13 | if (nullptr == image) { |
| 14 | return; |
| 15 | } |
Robert Phillips | d1ce4cb | 2020-07-10 16:20:53 -0400 | [diff] [blame] | 16 | SkFont font; |
Hal Canary | 8751512 | 2019-03-15 14:22:51 -0400 | [diff] [blame] | 17 | SkPaint paint; |
| 18 | paint.setAntiAlias(true); |
| 19 | canvas->drawImage(image, 0, 0); |
Robert Phillips | d1ce4cb | 2020-07-10 16:20:53 -0400 | [diff] [blame] | 20 | canvas->drawString(label, image->width() / 2, image->height() / 4, font, paint); |
Adlai Holler | 14dc791 | 2020-08-11 15:48:49 +0000 | [diff] [blame] | 21 | if (dContext) { |
| 22 | const char* msg = image->isValid(dContext) ? "is valid on GPU" |
| 23 | : "not valid on GPU"; |
Robert Phillips | d1ce4cb | 2020-07-10 16:20:53 -0400 | [diff] [blame] | 24 | canvas->drawString(msg, 20, image->height() * 5 / 8, font, paint); |
Hal Canary | 8751512 | 2019-03-15 14:22:51 -0400 | [diff] [blame] | 25 | } |
Robert Phillips | d1ce4cb | 2020-07-10 16:20:53 -0400 | [diff] [blame] | 26 | |
Robert Phillips | 3b356c5 | 2020-08-13 14:56:33 -0400 | [diff] [blame] | 27 | const char* msg = image->isValid(nullptr) ? "is valid on CPU" : "not valid on CPU"; |
Robert Phillips | d1ce4cb | 2020-07-10 16:20:53 -0400 | [diff] [blame] | 28 | |
| 29 | canvas->drawString(msg, 20, image->height() * 7 / 8, font, paint); |
Hal Canary | 8751512 | 2019-03-15 14:22:51 -0400 | [diff] [blame] | 30 | }; |
Mike Reed | dc607e3 | 2020-12-23 11:50:36 -0500 | [diff] [blame] | 31 | sk_sp<SkImage> bitmapImage(source.asImage()); |
Adlai Holler | 14dc791 | 2020-08-11 15:48:49 +0000 | [diff] [blame] | 32 | sk_sp<SkImage> textureImage(SkImage::MakeFromTexture(dContext, backEndTexture, |
Robert Phillips | 3b356c5 | 2020-08-13 14:56:33 -0400 | [diff] [blame] | 33 | kTopLeft_GrSurfaceOrigin, |
| 34 | kRGBA_8888_SkColorType, |
| 35 | kOpaque_SkAlphaType, nullptr)); |
Hal Canary | 8751512 | 2019-03-15 14:22:51 -0400 | [diff] [blame] | 36 | drawImage(image, "image"); |
| 37 | canvas->translate(image->width(), 0); |
| 38 | drawImage(bitmapImage, "source"); |
| 39 | canvas->translate(-image->width(), image->height()); |
| 40 | drawImage(textureImage, "backEndTexture"); |
| 41 | } |
| 42 | } // END FIDDLE |