From 15a64e71f68f7d1fcd16247c3d30375d3e2f41e8 Mon Sep 17 00:00:00 2001 From: Florin Malita Date: Wed, 18 Apr 2018 11:14:50 -0400 Subject: Convert A8 D32 mask blitters to Sk4px Improves the newly added bench by ~25% (hsw): -- before -- micros bench 2298.34 shadermaskfilter_picture_80 8888 2339.60 shadermaskfilter_picture_ff 8888 2287.11 shadermaskfilter_bitmap_80 8888 2223.14 shadermaskfilter_bitmap_ff 8888 -- after -- 1693.36 shadermaskfilter_picture_80 8888 1637.45 shadermaskfilter_picture_ff 8888 1691.65 shadermaskfilter_bitmap_80 8888 1637.70 shadermaskfilter_bitmap_ff 8888 But: skia:7810 Change-Id: I7274b10f517551ee2c0646842f72e0372d55e509 Reviewed-on: https://skia-review.googlesource.com/121642 Commit-Queue: Florin Malita Reviewed-by: Mike Klein --- tests/BlitMaskTest.cpp | 44 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 tests/BlitMaskTest.cpp (limited to 'tests/BlitMaskTest.cpp') diff --git a/tests/BlitMaskTest.cpp b/tests/BlitMaskTest.cpp new file mode 100644 index 0000000000..04bec66189 --- /dev/null +++ b/tests/BlitMaskTest.cpp @@ -0,0 +1,44 @@ +/* + * Copyright 2018 Google Inc. + * + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + */ + +#include "SkBlitMask.h" +#include "SkColorPriv.h" +#include "SkMask.h" +#include "Test.h" + +static void test_opaque_dest(skiatest::Reporter* reporter, SkMask::Format format) { + const auto& row_proc = SkBlitMask::RowFactory(SkColorType::kN32_SkColorType, format, + static_cast(0)); + + SkPMColor src[256], + dst[256]; + uint8_t aa[256]; + + // Coverage -> [0..255] + for (size_t i = 0; i < 256; ++i) { + aa[i] = static_cast(i); + } + + // src -> [0..255] + for (size_t src_a = 0; src_a < 256; ++src_a) { + memset(src, src_a, sizeof(src)); + + // dst -> 0xff (always opaque) + memset(dst, 0xff, sizeof(dst)); + + row_proc(dst, aa, src, 256); + + for (size_t i = 0; i < 256; ++i) { + REPORTER_ASSERT(reporter, SkGetPackedA32(dst[i]) == 0xff); + } + } +} + +// Verifies that D32 dest remains opaque for any (src_alpha, coverage) combination. +DEF_TEST(BlitMask_OpaqueD32, reporter) { + test_opaque_dest(reporter, SkMask::Format::kA8_Format); +} -- cgit v1.2.3