C++ (Cpp) subRasterImage Examples

Example #1

File: SpecialImageTest.cpp Project: MIPS/external-skia

// Test out the SkSpecialImage::makeTextureImage entry point
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SpecialImage_MakeTexture, reporter, ctxInfo) {
    GrContext* context = ctxInfo.grContext();
    SkBitmap bm = create_bm();

    const SkIRect& subset = SkIRect::MakeXYWH(kPad, kPad, kSmallerSize, kSmallerSize);

    {
        // raster
        sk_sp<SkSpecialImage> rasterImage(SkSpecialImage::MakeFromRaster(
                                                                        SkIRect::MakeWH(kFullSize,
                                                                                        kFullSize),
                                                                        bm));

        {
            sk_sp<SkSpecialImage> fromRaster(rasterImage->makeTextureImage(context));
            test_texture_backed(reporter, rasterImage, fromRaster);
        }

        {
            sk_sp<SkSpecialImage> subRasterImage(rasterImage->makeSubset(subset));

            sk_sp<SkSpecialImage> fromSubRaster(subRasterImage->makeTextureImage(context));
            test_texture_backed(reporter, subRasterImage, fromSubRaster);
        }
    }

    {
        // gpu
        const GrSurfaceDesc desc = GrImageInfoToSurfaceDesc(bm.info(), *context->caps());

        sk_sp<GrTextureProxy> proxy(GrSurfaceProxy::MakeDeferred(context->resourceProvider(),
                                                                 desc, SkBudgeted::kNo,
                                                                 bm.getPixels(), bm.rowBytes()));
        if (!proxy) {
            return;
        }

        sk_sp<SkSpecialImage> gpuImage(SkSpecialImage::MakeDeferredFromGpu(
                                                            context,
                                                            SkIRect::MakeWH(kFullSize, kFullSize),
                                                            kNeedNewImageUniqueID_SpecialImage,
                                                            std::move(proxy), nullptr));

        {
            sk_sp<SkSpecialImage> fromGPU(gpuImage->makeTextureImage(context));
            test_texture_backed(reporter, gpuImage, fromGPU);
        }

        {
            sk_sp<SkSpecialImage> subGPUImage(gpuImage->makeSubset(subset));

            sk_sp<SkSpecialImage> fromSubGPU(subGPUImage->makeTextureImage(context));
            test_texture_backed(reporter, subGPUImage, fromSubGPU);
        }
    }
}

Example #2

File: SpecialImageTest.cpp Project: C-Tillion/skia

// Test out the SkSpecialImage::makeTextureImage entry point
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(SpecialImage_MakeTexture, reporter, ctxInfo) {
    GrContext* context = ctxInfo.grContext();
    SkBitmap bm = create_bm();

    const SkIRect& subset = SkIRect::MakeXYWH(kPad, kPad, kSmallerSize, kSmallerSize);

    {
        // raster
        sk_sp<SkSpecialImage> rasterImage(SkSpecialImage::MakeFromRaster(
                                                                        SkIRect::MakeWH(kFullSize,
                                                                                        kFullSize),
                                                                        bm));

        {
            sk_sp<SkSpecialImage> fromRaster(rasterImage->makeTextureImage(context));
            test_texture_backed(reporter, rasterImage, fromRaster);
        }

        {
            sk_sp<SkSpecialImage> subRasterImage(rasterImage->makeSubset(subset));

            sk_sp<SkSpecialImage> fromSubRaster(subRasterImage->makeTextureImage(context));
            test_texture_backed(reporter, subRasterImage, fromSubRaster);
        }
    }

    {
        // gpu
        GrSurfaceDesc desc;
        desc.fConfig = kSkia8888_GrPixelConfig;
        desc.fFlags = kNone_GrSurfaceFlags;
        desc.fWidth = kFullSize;
        desc.fHeight = kFullSize;

        sk_sp<GrTexture> texture(context->textureProvider()->createTexture(desc,
                                                                           SkBudgeted::kNo,
                                                                           bm.getPixels(),
                                                                           0));
        if (!texture) {
            return;
        }

        sk_sp<SkSpecialImage> gpuImage(SkSpecialImage::MakeFromGpu(
                                                                SkIRect::MakeWH(kFullSize,
                                                                                kFullSize),
                                                                kNeedNewImageUniqueID_SpecialImage,
                                                                std::move(texture)));

        {
            sk_sp<SkSpecialImage> fromGPU(gpuImage->makeTextureImage(context));
            test_texture_backed(reporter, gpuImage, fromGPU);
        }

        {
            sk_sp<SkSpecialImage> subGPUImage(gpuImage->makeSubset(subset));

            sk_sp<SkSpecialImage> fromSubGPU(subGPUImage->makeTextureImage(context));
            test_texture_backed(reporter, subGPUImage, fromSubGPU);
        }
    }
}