132     SkScalar sigma = SkBlurMask::ConvertRadiusToSigma(SkIntToScalar(5));  in DEF_TEST()  local
137             paint.setMaskFilter(SkMaskFilter::MakeBlur(blurStyle, sigma, respectCTM));  in DEF_TEST()
181                             SkScalar sigma,  in ground_truth_2d()  argument
192     if (!SkBlurMask::BlurGroundTruth(sigma, &dst, src, kNormal_SkBlurStyle)) {  in ground_truth_2d()
222 static float gaussian(int x, SkScalar sigma) {  in gaussian()  argument
223     float k = SK_Scalar1/(sigma * sqrtf(2.0f*SK_ScalarPI));  in gaussian()
224     float exponent = -(x * x) / (2 * sigma * sigma);  in gaussian()
336     SkScalar sigma = 10.0f;  in DEF_TEST()  local
338     for (int i = 0; i < 4; ++i, sigma /= 10) {  in DEF_TEST()
340         cpu_blur_path(rectPath, sigma, rectSpecialCaseResult, kSize);  in DEF_TEST()
341         cpu_blur_path(polyPath, sigma, generalCaseResult, kSize);  in DEF_TEST()
343         ground_truth_2d(100, 100, sigma, groundTruthResult, kSize);  in DEF_TEST()
344         brute_force_1d(-50.0f, 50.0f, sigma, bruteForce1DResult, kSize);  in DEF_TEST()
351         write_as_csv("RectSpecialCase", sigma, rectSpecialCaseResult, kSize);  in DEF_TEST()
352         write_as_csv("GeneralCase", sigma, generalCaseResult, kSize);  in DEF_TEST()
353         write_as_csv("GPU", sigma, gpuResult, kSize);  in DEF_TEST()
354         write_as_csv("GroundTruth2D", sigma, groundTruthResult, kSize);  in DEF_TEST()
355         write_as_csv("BruteForce1D", sigma, bruteForce1DResult, kSize);  in DEF_TEST()
362 static void test_blurDrawLooper(skiatest::Reporter* reporter, SkScalar sigma, SkBlurStyle style) {  in test_blurDrawLooper()  argument
370     sk_sp<SkDrawLooper> lp(SkBlurDrawLooper::Make(color, sigma, dx, dy));  in test_blurDrawLooper()
371     const bool expectSuccess = sigma > 0;  in test_blurDrawLooper()
374         REPORTER_ASSERT(reporter, sigma <= 0);  in test_blurDrawLooper()
380             REPORTER_ASSERT(reporter, rec.fSigma == sigma);  in test_blurDrawLooper()
389 static void test_looper(skiatest::Reporter* reporter, sk_sp<SkDrawLooper> lp, SkScalar sigma,  in test_looper()  argument
398         REPORTER_ASSERT(reporter, rec.fSigma == sigma);  in test_looper()
421                                  SkScalar sigma, SkBlurStyle style, bool expectSuccess) {  in test_layerDrawLooper()  argument
428     test_looper(reporter, builder.detach(), sigma, style, false);  in test_layerDrawLooper()
433     test_looper(reporter, builder.detach(), sigma, style, false);  in test_layerDrawLooper()
438     test_looper(reporter, builder.detach(), sigma, style, expectSuccess);  in test_layerDrawLooper()
444     test_looper(reporter, builder.detach(), sigma, style, false);  in test_layerDrawLooper()
461             const SkScalar sigma = sigmas[j];  in DEF_TEST()  local
463                 sk_sp<SkMaskFilter> mf(SkMaskFilter::MakeBlur(style, sigma, respectCTM));  in DEF_TEST()
465                     REPORTER_ASSERT(reporter, sigma <= 0);  in DEF_TEST()
467                     REPORTER_ASSERT(reporter, sigma > 0);  in DEF_TEST()
472                         REPORTER_ASSERT(reporter, rec.fSigma == sigma);  in DEF_TEST()
477                     test_layerDrawLooper(reporter, std::move(mf), sigma, style, success);  in DEF_TEST()
479                 test_blurDrawLooper(reporter, sigma, style);  in DEF_TEST()
491             const SkScalar sigma = sigmas[j];  in DEF_TEST()  local
492             auto mf(SkEmbossMaskFilter::Make(sigma, light));  in DEF_TEST()
687     for (auto sigma : sigmas) {  in DEF_TEST()  local
688         paint.setMaskFilter(SkMaskFilter::MakeBlur(kNormal_SkBlurStyle, sigma));  in DEF_TEST()