61624f0c71
This is less to type in most cases, and gives us more information (for things like picture-backed images, where we need to know all about the destination surface). Additionally, strip out the plumbing entirely for bitmap sources, where we don't need to know anything. BUG=skia: Change-Id: I4deff6c7c345fcf62eb08b2aff0560adae4313da Reviewed-on: https://skia-review.googlesource.com/5748 Reviewed-by: Mike Klein <mtklein@chromium.org> Reviewed-by: Brian Salomon <bsalomon@google.com> Commit-Queue: Brian Osman <brianosman@google.com>
108 lines
3.4 KiB
C++
108 lines
3.4 KiB
C++
/*
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* Copyright 2016 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include <string>
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#include <tuple>
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#include <vector>
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#include "Resources.h"
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#include "SkCpu.h"
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#include "SkImage.h"
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#include "SkImage_Base.h"
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#include "SkOpts.h"
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#include "SkPM4fPriv.h"
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#include "SkNx.h"
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#include "Test.h"
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typedef void (*Blender)(uint32_t* dst, const uint32_t* const srcStart, int ndst, const int nsrc);
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static inline void srcover_srgb_srgb_1(uint32_t* dst, uint32_t src) {
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auto d = Sk4f_fromS32(*dst),
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s = Sk4f_fromS32( src);
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*dst = Sk4f_toS32(s + d * (1.0f - s[3]));
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}
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static void brute_force_srcover_srgb_srgb(
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uint32_t* dst, const uint32_t* const src, int ndst, const int nsrc) {
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while (ndst > 0) {
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int n = SkTMin(ndst, nsrc);
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for (int i = 0; i < n; i++) {
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srcover_srgb_srgb_1(dst++, src[i]);
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}
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ndst -= n;
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}
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}
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static SkString mismatch_message(std::string resourceName, int x, int y,
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uint32_t src, uint32_t good, uint32_t bad) {
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return SkStringPrintf(
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"%s - missmatch at %d, %d src: %08x good: %08x bad: %08x",
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resourceName.c_str(), x, y, src, good, bad);
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}
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static void test_blender(std::string resourceName, skiatest::Reporter* reporter) {
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std::string fileName = resourceName + ".png";
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sk_sp<SkImage> image = GetResourceAsImage(fileName.c_str());
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if (image == nullptr) {
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ERRORF(reporter, "image is NULL");
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return;
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}
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SkBitmap bm;
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sk_sp<SkColorSpace> srgbColorSpace = SkColorSpace::MakeNamed(SkColorSpace::kSRGB_Named);
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if (!as_IB(image)->getROPixels(&bm, srgbColorSpace.get())) {
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ERRORF(reporter, "Could not read resource");
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return;
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}
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SkPixmap pixmap;
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bm.peekPixels(&pixmap);
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SkASSERTF(pixmap.colorType() == kN32_SkColorType, "colorType: %d", pixmap.colorType());
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SkASSERT(pixmap.alphaType() != kUnpremul_SkAlphaType);
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const uint32_t* src = pixmap.addr32();
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const int width = pixmap.rowBytesAsPixels();
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SkASSERT(width > 0);
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SkASSERT(width < 4000);
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SkAutoTArray<uint32_t> correctDst(width);
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SkAutoTArray<uint32_t> testDst(width);
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for (int y = 0; y < pixmap.height(); y++) {
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// TODO: zero is not the most interesting dst to test srcover...
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sk_bzero(correctDst.get(), width * sizeof(uint32_t));
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sk_bzero(testDst.get(), width * sizeof(uint32_t));
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brute_force_srcover_srgb_srgb(correctDst.get(), src, width, width);
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SkOpts:: srcover_srgb_srgb( testDst.get(), src, width, width);
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for (int x = 0; x < width; x++) {
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REPORTER_ASSERT_MESSAGE(
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reporter, correctDst[x] == testDst[x],
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mismatch_message(resourceName, x, y, src[x], correctDst[x], testDst[x]));
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if (correctDst[x] != testDst[x]) break;
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}
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src += width;
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}
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}
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DEF_TEST(SkBlend_optsCheck, reporter) {
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std::vector<std::string> testResources = {
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"yellow_rose", "baby_tux", "plane", "mandrill_512", "iconstrip"
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};
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for (auto& resourceName : testResources) {
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test_blender(resourceName, reporter);
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}
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}
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DEF_TEST(SkBlend_optsSqrtCheck, reporter) {
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for (int c = 0; c < 256; c++) {
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Sk4f i{(float)c};
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Sk4f ii = i * i;
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Sk4f s = ii.sqrt() + 0.5f;
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Sk4f sf = s.floor();
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REPORTER_ASSERT_MESSAGE(
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reporter, i[0] == sf[0], SkStringPrintf("i: %f, s: %f", i[0], sf[0]));
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}
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}
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