TextureStripAtlasManagerTest.cpp

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/*
 * Copyright 2018 Google Inc.
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */
 
#include "include/core/SkCanvas.h"
#include "include/core/SkColor.h"
#include "include/core/SkColorFilter.h"
#include "include/core/SkImageInfo.h"
#include "include/core/SkPaint.h"
#include "include/core/SkPoint.h"
#include "include/core/SkRect.h"
#include "include/core/SkRefCnt.h"
#include "include/core/SkSamplingOptions.h"
#include "include/core/SkScalar.h"
#include "include/core/SkSurface.h"
#include "include/core/SkTileMode.h"
#include "include/core/SkTypes.h"
#include "include/effects/SkGradientShader.h"
#include "include/gpu/GpuTypes.h"
#include "include/gpu/GrDirectContext.h"
#include "include/gpu/ganesh/SkSurfaceGanesh.h"
#include "tests/CtsEnforcement.h"
#include "tests/Test.h"
#include "tools/DecodeUtils.h"
 
#include <cstdint>
#include <utility>
 
class SkImage;
struct GrContextOptions;
 
// The gradient shader will use the texture strip atlas if it has too many colors. Make sure
// abandoning the context works.
DEF_GANESH_TEST_FOR_RENDERING_CONTEXTS(TextureStripAtlasManagerGradientTest,
                                       reporter,
                                       ctxInfo,
                                       CtsEnforcement::kApiLevel_T) {
    auto context = ctxInfo.directContext();
 
    static const SkColor gColors[] = { SK_ColorRED, SK_ColorGREEN, SK_ColorBLUE,
                                       SK_ColorCYAN, SK_ColorMAGENTA, SK_ColorYELLOW,
                                       SK_ColorBLACK };
    static const SkScalar gPos[] = { 0, 0.17f, 0.32f, 0.49f, 0.66f, 0.83f, 1.0f };
 
    SkPaint p;
    p.setShader(SkGradientShader::MakeTwoPointConical(SkPoint::Make(0, 0),
                                                      1.0f,
                                                      SkPoint::Make(10.0f, 20.0f),
                                                      2.0f,
                                                      gColors,
                                                      gPos,
                                                      7,
                                                      SkTileMode::kClamp));
 
    SkImageInfo info = SkImageInfo::MakeN32Premul(128, 128);
    auto surface(SkSurfaces::RenderTarget(context, skgpu::Budgeted::kNo, info));
    SkCanvas* canvas = surface->getCanvas();
 
    SkRect r = SkRect::MakeXYWH(10, 10, 100, 100);
 
    canvas->drawRect(r, p);
 
    context->abandonContext();
}
 
// The table color filter uses the texture strip atlas. Make sure abandoning the context works.
DEF_GANESH_TEST_FOR_RENDERING_CONTEXTS(TextureStripAtlasManagerColorFilterTest,
                                       reporter,
                                       ctxInfo,
                                       CtsEnforcement::kApiLevel_T) {
    auto context = ctxInfo.directContext();
 
    sk_sp<SkImage> img = ToolUtils::GetResourceAsImage("images/mandrill_128.png");
 
    uint8_t identity[256];
    for (int i = 0; i < 256; i++) {
        identity[i] = i;
    }
 
    SkPaint p;
    p.setColorFilter(SkColorFilters::Table(identity));
 
    SkImageInfo info = SkImageInfo::MakeN32Premul(128, 128);
    auto surface(SkSurfaces::RenderTarget(context, skgpu::Budgeted::kNo, info));
    SkCanvas* canvas = surface->getCanvas();
 
    canvas->drawImage(std::move(img), 0, 0, SkSamplingOptions(), &p);
 
    context->abandonContext();
}