1 /*
2  * Copyright 2018 Google Inc.
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 
9 #include "include/core/SkCanvas.h"
10 #include "include/core/SkPaint.h"
11 #include "include/core/SkSurface.h"
12 #include "include/effects/SkGradientShader.h"
13 #include "include/effects/SkTableColorFilter.h"
14 #include "include/gpu/GrDirectContext.h"
15 
16 #include "tests/Test.h"
17 #include "tools/Resources.h"
18 
19 // The gradient shader will use the texture strip atlas if it has too many colors. Make sure
20 // abandoning the context works.
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(TextureStripAtlasManagerGradientTest,reporter,ctxInfo)21 DEF_GPUTEST_FOR_RENDERING_CONTEXTS(TextureStripAtlasManagerGradientTest, reporter, ctxInfo) {
22     auto context = ctxInfo.directContext();
23 
24     static const SkColor gColors[] = { SK_ColorRED, SK_ColorGREEN, SK_ColorBLUE,
25                                        SK_ColorCYAN, SK_ColorMAGENTA, SK_ColorYELLOW,
26                                        SK_ColorBLACK };
27     static const SkScalar gPos[] = { 0, 0.17f, 0.32f, 0.49f, 0.66f, 0.83f, 1.0f };
28 
29     SkPaint p;
30     p.setShader(SkGradientShader::MakeTwoPointConical(SkPoint::Make(0, 0),
31                                                       1.0f,
32                                                       SkPoint::Make(10.0f, 20.0f),
33                                                       2.0f,
34                                                       gColors,
35                                                       gPos,
36                                                       7,
37                                                       SkTileMode::kClamp));
38 
39     SkImageInfo info = SkImageInfo::MakeN32Premul(128, 128);
40     auto surface(SkSurface::MakeRenderTarget(context, SkBudgeted::kNo, info));
41     SkCanvas* canvas = surface->getCanvas();
42 
43     SkRect r = SkRect::MakeXYWH(10, 10, 100, 100);
44 
45     canvas->drawRect(r, p);
46 
47     context->abandonContext();
48 }
49 
50 // The table color filter uses the texture strip atlas. Make sure abandoning the context works.
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(TextureStripAtlasManagerColorFilterTest,reporter,ctxInfo)51 DEF_GPUTEST_FOR_RENDERING_CONTEXTS(TextureStripAtlasManagerColorFilterTest, reporter, ctxInfo) {
52     auto context = ctxInfo.directContext();
53 
54     sk_sp<SkImage> img = GetResourceAsImage("images/mandrill_128.png");
55 
56 
57     uint8_t identity[256];
58     for (int i = 0; i < 256; i++) {
59         identity[i] = i;
60     }
61 
62     SkPaint p;
63     p.setColorFilter(SkTableColorFilter::Make(identity));
64 
65     SkImageInfo info = SkImageInfo::MakeN32Premul(128, 128);
66     auto surface(SkSurface::MakeRenderTarget(context, SkBudgeted::kNo, info));
67     SkCanvas* canvas = surface->getCanvas();
68 
69     canvas->drawImage(std::move(img), 0, 0, SkSamplingOptions(), &p);
70 
71     context->abandonContext();
72 }
73