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C++ GrCachedLayer::setTexture方法代码示例

本文整理汇总了C++中GrCachedLayer::setTexture方法的典型用法代码示例。如果您正苦于以下问题:C++ GrCachedLayer::setTexture方法的具体用法?C++ GrCachedLayer::setTexture怎么用?C++ GrCachedLayer::setTexture使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在GrCachedLayer的用法示例。


在下文中一共展示了GrCachedLayer::setTexture方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: test_replacements

// Test out the layer replacement functionality with and w/o a BBH
void test_replacements(skiatest::Reporter* r, GrContext* context, bool doReplace) {
    sk_sp<SkPicture> pic;

    {
        SkPictureRecorder recorder;
        SkCanvas* canvas = recorder.beginRecording(SkIntToScalar(kWidth), SkIntToScalar(kHeight));
        SkPaint paint;
        canvas->saveLayer(nullptr, &paint);
        canvas->clear(SK_ColorRED);
        canvas->restore();
        canvas->drawRect(SkRect::MakeWH(SkIntToScalar(kWidth / 2), SkIntToScalar(kHeight / 2)),
                         SkPaint());
        pic = recorder.finishRecordingAsPicture();
    }

    SkAutoTUnref<GrTexture> texture;
    SkPaint paint;
    GrLayerCache* layerCache = context->getLayerCache();

    if (doReplace) {
        int key[1] = { 0 };

        GrCachedLayer* layer = layerCache->findLayerOrCreate(pic->uniqueID(), 0, 2,
                                                             SkIRect::MakeWH(kWidth, kHeight),
                                                             SkIRect::MakeWH(kWidth, kHeight),
                                                             SkMatrix::I(), key, 1, &paint);

        GrSurfaceDesc desc;
        desc.fConfig = kSkia8888_GrPixelConfig;
        desc.fFlags = kRenderTarget_GrSurfaceFlag;
        desc.fWidth = kWidth;
        desc.fHeight = kHeight;
        desc.fSampleCnt = 0;

        // Giving the texture some initial data so the Gpu (specifically vulkan) does not complain
        // when reading from an uninitialized texture.
        SkAutoTMalloc<uint32_t> srcBuffer(kWidth*kHeight);
        memset(srcBuffer.get(), 0, kWidth*kHeight*sizeof(uint32_t));

        texture.reset(context->textureProvider()->createTexture(
                desc, SkBudgeted::kNo, srcBuffer.get(), 0));
        layer->setTexture(texture, SkIRect::MakeWH(kWidth, kHeight), false);
    }

    SkRecord rerecord;
    SkRecorder canvas(&rerecord, kWidth, kHeight);
    GrRecordReplaceDraw(pic.get(), &canvas, layerCache, SkMatrix::I(), nullptr/*callback*/);

    int numLayers = count_instances_of_type<SkRecords::SaveLayer>(rerecord);
    if (doReplace) {
        REPORTER_ASSERT(r, 0 == numLayers);
    } else {
        REPORTER_ASSERT(r, 1 == numLayers);
    }
}
开发者ID:OwenTan,项目名称:skia,代码行数:56,代码来源:RecordReplaceDrawTest.cpp

示例2: test_replacements

// Test out the layer replacement functionality with and w/o a BBH
void test_replacements(skiatest::Reporter* r, GrContext* context, bool doReplace) {
    SkAutoTUnref<const SkPicture> pic;

    {
        SkPictureRecorder recorder;
        SkCanvas* canvas = recorder.beginRecording(SkIntToScalar(kWidth), SkIntToScalar(kHeight));
        SkPaint paint;
        canvas->saveLayer(nullptr, &paint);
        canvas->clear(SK_ColorRED);
        canvas->restore();
        canvas->drawRect(SkRect::MakeWH(SkIntToScalar(kWidth / 2), SkIntToScalar(kHeight / 2)),
                         SkPaint());
        pic.reset(recorder.endRecording());
    }

    SkAutoTUnref<GrTexture> texture;
    SkPaint paint;
    GrLayerCache* layerCache = context->getLayerCache();

    if (doReplace) {
        int key[1] = { 0 };

        GrCachedLayer* layer = layerCache->findLayerOrCreate(pic->uniqueID(), 0, 2,
                                                             SkIRect::MakeWH(kWidth, kHeight),
                                                             SkIRect::MakeWH(kWidth, kHeight),
                                                             SkMatrix::I(), key, 1, &paint);

        GrSurfaceDesc desc;
        desc.fConfig = kSkia8888_GrPixelConfig;
        desc.fFlags = kRenderTarget_GrSurfaceFlag;
        desc.fWidth = kWidth;
        desc.fHeight = kHeight;
        desc.fSampleCnt = 0;

        texture.reset(context->textureProvider()->createTexture(
                desc, SkBudgeted::kNo, nullptr, 0));
        layer->setTexture(texture, SkIRect::MakeWH(kWidth, kHeight), false);
    }

    SkRecord rerecord;
    SkRecorder canvas(&rerecord, kWidth, kHeight);
    GrRecordReplaceDraw(pic, &canvas, layerCache, SkMatrix::I(), nullptr/*callback*/);

    int numLayers = count_instances_of_type<SkRecords::SaveLayer>(rerecord);
    if (doReplace) {
        REPORTER_ASSERT(r, 0 == numLayers);
    } else {
        REPORTER_ASSERT(r, 1 == numLayers);    
    }
}
开发者ID:YangchenVR,项目名称:skia,代码行数:51,代码来源:RecordReplaceDrawTest.cpp


注:本文中的GrCachedLayer::setTexture方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。