Greg Daniel | c529681 | 2020-02-28 13:06:02 -0500 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2020 Google LLC |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license that can be |
| 5 | * found in the LICENSE file. |
| 6 | */ |
| 7 | |
| 8 | // We want to make sure that if we collapse src-over down to src when blending, that batching still |
| 9 | // works correctly with a draw that explicitly requests src. |
| 10 | |
| 11 | #include "include/core/SkCanvas.h" |
| 12 | #include "include/core/SkShader.h" |
| 13 | #include "include/core/SkSurface.h" |
Robert Phillips | 6d344c3 | 2020-07-06 10:56:46 -0400 | [diff] [blame] | 14 | #include "include/gpu/GrDirectContext.h" |
Greg Daniel | c529681 | 2020-02-28 13:06:02 -0500 | [diff] [blame] | 15 | #include "tests/Test.h" |
| 16 | #include "tools/gpu/GrContextFactory.h" |
| 17 | |
| 18 | DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SrcSrcOverBatchTest, reporter, ctxInfo) { |
Robert Phillips | 6d344c3 | 2020-07-06 10:56:46 -0400 | [diff] [blame] | 19 | auto ctx = ctxInfo.directContext(); |
Greg Daniel | c529681 | 2020-02-28 13:06:02 -0500 | [diff] [blame] | 20 | |
| 21 | static const int kSize = 8; |
| 22 | const SkImageInfo ii = SkImageInfo::Make(kSize, kSize, kRGBA_8888_SkColorType, |
| 23 | kPremul_SkAlphaType); |
| 24 | |
| 25 | sk_sp<SkSurface> surface(SkSurface::MakeRenderTarget(ctx, SkBudgeted::kNo, |
| 26 | ii, 0, kTopLeft_GrSurfaceOrigin, |
| 27 | nullptr)); |
| 28 | |
| 29 | auto canvas = surface->getCanvas(); |
| 30 | |
| 31 | SkPaint paint; |
| 32 | // Setting a shader so that we actually build a processor set and don't fallback to all |
| 33 | // defaults. |
| 34 | paint.setShader(SkShaders::Color(SK_ColorRED)); |
| 35 | |
| 36 | SkIRect rect = SkIRect::MakeWH(2, 2); |
| 37 | |
| 38 | canvas->drawIRect(rect, paint); |
| 39 | |
| 40 | // Now draw a rect with src blend mode. If we collapsed the previous draw to src blend mode (a |
| 41 | // setting on caps plus not having any coverage), then we expect this second draw to try to |
| 42 | // batch with it. This test is a success if we don't hit any asserts, specifically making sure |
| 43 | // that both things we decided can be batched together claim to have the same value for |
| 44 | // CompatibleWithCoverageAsAlpha. |
| 45 | canvas->translate(3, 0); |
| 46 | paint.setBlendMode(SkBlendMode::kSrc); |
| 47 | canvas->drawIRect(rect, paint); |
| 48 | } |