129     SkScalar sigma = SkBlurMask::ConvertRadiusToSigma(SkIntToScalar(5));  in DEF_TEST()  local
134             paint.setMaskFilter(SkMaskFilter::MakeBlur(blurStyle, sigma, respectCTM));  in DEF_TEST()
178                             SkScalar sigma,  in ground_truth_2d()  argument
189     if (!SkBlurMask::BlurGroundTruth(sigma, &dst, src, kNormal_SkBlurStyle)) {  in ground_truth_2d()
219 static float gaussian(int x, SkScalar sigma) {  in gaussian()  argument
220     float k = SK_Scalar1/(sigma * sqrtf(2.0f*SK_ScalarPI));  in gaussian()
221     float exponent = -(x * x) / (2 * sigma * sigma);  in gaussian()
333     SkScalar sigma = 10.0f;  in DEF_TEST()  local
335     for (int i = 0; i < 4; ++i, sigma /= 10) {  in DEF_TEST()
337         cpu_blur_path(rectPath, sigma, rectSpecialCaseResult, kSize);  in DEF_TEST()
338         cpu_blur_path(polyPath, sigma, generalCaseResult, kSize);  in DEF_TEST()
340         ground_truth_2d(100, 100, sigma, groundTruthResult, kSize);  in DEF_TEST()
341         brute_force_1d(-50.0f, 50.0f, sigma, bruteForce1DResult, kSize);  in DEF_TEST()
348         write_as_csv("RectSpecialCase", sigma, rectSpecialCaseResult, kSize);  in DEF_TEST()
349         write_as_csv("GeneralCase", sigma, generalCaseResult, kSize);  in DEF_TEST()
350         write_as_csv("GPU", sigma, gpuResult, kSize);  in DEF_TEST()
351         write_as_csv("GroundTruth2D", sigma, groundTruthResult, kSize);  in DEF_TEST()
352         write_as_csv("BruteForce1D", sigma, bruteForce1DResult, kSize);  in DEF_TEST()
373             const SkScalar sigma = sigmas[j];  in DEF_TEST()  local
375                 sk_sp<SkMaskFilter> mf(SkMaskFilter::MakeBlur(style, sigma, respectCTM));  in DEF_TEST()
377                     REPORTER_ASSERT(reporter, sigma <= 0);  in DEF_TEST()
379                     REPORTER_ASSERT(reporter, sigma > 0);  in DEF_TEST()
384                         REPORTER_ASSERT(reporter, rec.fSigma == sigma);  in DEF_TEST()
408             const SkScalar sigma = sigmas[j];  in DEF_TEST()  local
409             auto mf(SkEmbossMaskFilter::Make(sigma, light));  in DEF_TEST()
524     for (auto sigma : sigmas) {  in DEF_TEST()  local
525         paint.setMaskFilter(SkMaskFilter::MakeBlur(kNormal_SkBlurStyle, sigma));  in DEF_TEST()