void TestResult::testOne() {
    SkPicture* pic = nullptr;
    {
    #if DEBUG_SHOW_TEST_NAME
        if (fTestStep == kCompareBits) {
            SkString testName(fFilename);
            const char http[] = "http";
            if (testName.startsWith(http)) {
                testName.remove(0, sizeof(http) - 1);
            }
            while (testName.startsWith("_")) {
                testName.remove(0, 1);
            }
            const char dotSkp[] = ".skp";
            if (testName.endsWith(dotSkp)) {
                size_t len = testName.size();
                testName.remove(len - (sizeof(dotSkp) - 1), sizeof(dotSkp) - 1);
            }
            testName.prepend("skp");
            testName.append("1");
            strncpy(DEBUG_FILENAME_STRING, testName.c_str(), DEBUG_FILENAME_STRING_LENGTH);
        } else if (fTestStep == kEncodeFiles) {
            strncpy(DEBUG_FILENAME_STRING, "", DEBUG_FILENAME_STRING_LENGTH);
        }
    #endif
        SkString path = get_in_path(fDirNo, fFilename);
        SkFILEStream stream(path.c_str());
        if (!stream.isValid()) {
            SkDebugf("invalid stream %s\n", path.c_str());
            goto finish;
        }
        pic = SkPicture::CreateFromStream(&stream, &SkImageDecoder::DecodeMemory);
        if (!pic) {
            SkDebugf("unable to decode %s\n", fFilename);
            goto finish;
        }
        SkScalar width = pic->cullRect().width();
        SkScalar height = pic->cullRect().height();
        SkBitmap oldBitmap, opBitmap;
        fScale = 1;
        while (width / fScale > 32767 || height / fScale > 32767) {
            ++fScale;
        }
        do {
            int dimX = SkScalarCeilToInt(width / fScale);
            int dimY = SkScalarCeilToInt(height / fScale);
            if (oldBitmap.tryAllocN32Pixels(dimX, dimY) && opBitmap.tryAllocN32Pixels(dimX, dimY)) {
                break;
            }
            SkDebugf("-%d-", fScale);
        } while (++fScale < 256);
        if (fScale >= 256) {
            SkDebugf("unable to allocate bitmap for %s (w=%f h=%f)\n", fFilename,
                    width, height);
            goto finish;
        }
        oldBitmap.eraseColor(SK_ColorWHITE);
        SkCanvas oldCanvas(oldBitmap);
        oldCanvas.setAllowSimplifyClip(false);
        opBitmap.eraseColor(SK_ColorWHITE);
        SkCanvas opCanvas(opBitmap);
        opCanvas.setAllowSimplifyClip(true);
        drawPict(pic, &oldCanvas, fScale);
        drawPict(pic, &opCanvas, fScale);
        if (fTestStep == kCompareBits) {
            fPixelError = similarBits(oldBitmap, opBitmap);
            int oldTime = timePict(pic, &oldCanvas);
            int opTime = timePict(pic, &opCanvas);
            fTime = SkTMax(0, oldTime - opTime);
        } else if (fTestStep == kEncodeFiles) {
            SkString pngStr = make_png_name(fFilename);
            const char* pngName = pngStr.c_str();
            writePict(oldBitmap, outOldDir, pngName);
            writePict(opBitmap, outOpDir, pngName);
        }
    }
finish:
    if (pic) {
        pic->unref();
    }
}
Beispiel #2
0
void TestResult::testOne() {
    sk_sp<SkPicture> pic;
    {
        SkString d;
        d.printf("    {%d, \"%s\"},", fDirNo, fFilename);
        SkString path = make_filepath(fDirNo, IN_DIR, fFilename);
        SkFILEStream stream(path.c_str());
        if (!stream.isValid()) {
            SkDebugf("invalid stream %s\n", path.c_str());
            goto finish;
        }
        if (fTestStep == kEncodeFiles) {
            size_t length = stream.getLength();
            SkTArray<char, true> bytes;
            bytes.push_back_n(length);
            stream.read(&bytes[0], length);
            stream.rewind();
            SkString wPath = make_filepath(0, outSkpDir, fFilename);
            SkFILEWStream wStream(wPath.c_str());
            wStream.write(&bytes[0], length);
            wStream.flush();
        }
        pic = SkPicture::MakeFromStream(&stream);
        if (!pic) {
            SkDebugf("unable to decode %s\n", fFilename);
            goto finish;
        }
        int pWidth = pic->width();
        int pHeight = pic->height();
        int pLargerWH = SkTMax(pWidth, pHeight);
        GrContextFactory contextFactory;
#ifdef SK_BUILD_FOR_WIN
        GrContext* context = contextFactory.get(kAngle);
#else
        GrContext* context = contextFactory.get(kNative);
#endif
        if (nullptr == context) {
            SkDebugf("unable to allocate context for %s\n", fFilename);
            goto finish;
        }
        int maxWH = context->getMaxRenderTargetSize();
        int scale = 1;
        while (pLargerWH / scale > maxWH) {
            scale *= 2;
        }
        SkBitmap bitmap;
        SkIPoint dim;
        do {
            dim.fX = (pWidth + scale - 1) / scale;
            dim.fY = (pHeight + scale - 1) / scale;
            bool success = bitmap.allocN32Pixels(dim.fX, dim.fY);
            if (success) {
                break;
            }
            SkDebugf("-%d-", scale);
        } while ((scale *= 2) < 256);
        if (scale >= 256) {
            SkDebugf("unable to allocate bitmap for %s (w=%d h=%d) (sw=%d sh=%d)\n",
                    fFilename, pWidth, pHeight, dim.fX, dim.fY);
            return;
        }
        SkCanvas skCanvas(bitmap);
        drawPict(pic, &skCanvas, fScaleOversized ? scale : 1);
        GrTextureDesc desc;
        desc.fConfig = kRGBA_8888_GrPixelConfig;
        desc.fFlags = kRenderTarget_GrTextureFlagBit;
        desc.fWidth = dim.fX;
        desc.fHeight = dim.fY;
        desc.fSampleCnt = 0;
        sk_sp<GrTexture> texture(context->createUncachedTexture(desc, nullptr, 0));
        if (!texture) {
            SkDebugf("unable to allocate texture for %s (w=%d h=%d)\n", fFilename,
                dim.fX, dim.fY);
            return;
        }
        SkGpuDevice grDevice(context, texture.get());
        SkCanvas grCanvas(&grDevice);
        drawPict(pic.get(), &grCanvas, fScaleOversized ? scale : 1);

        SkBitmap grBitmap;
        grBitmap.allocPixels(grCanvas.imageInfo());
        grCanvas.readPixels(&grBitmap, 0, 0);

        if (fTestStep == kCompareBits) {
            fPixelError = similarBits(grBitmap, bitmap);
            SkMSec skTime = timePict(pic, &skCanvas);
            SkMSec grTime = timePict(pic, &grCanvas);
            fTime = skTime - grTime;
        } else if (fTestStep == kEncodeFiles) {
            SkString pngStr = make_png_name(fFilename);
            const char* pngName = pngStr.c_str();
            writePict(grBitmap, outGrDir, pngName);
            writePict(bitmap, outSkDir, pngName);
        }
    }
}