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