| /* |
| * Copyright 2017 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "tests/TestUtils.h" |
| |
| #include "include/encode/SkPngEncoder.h" |
| #include "include/utils/SkBase64.h" |
| #include "src/core/SkAutoPixmapStorage.h" |
| #include "src/core/SkUtils.h" |
| #include "src/gpu/GrDirectContextPriv.h" |
| #include "src/gpu/GrDrawingManager.h" |
| #include "src/gpu/GrGpu.h" |
| #include "src/gpu/GrImageInfo.h" |
| #include "src/gpu/GrRecordingContextPriv.h" |
| #include "src/gpu/GrSurfaceContext.h" |
| #include "src/gpu/GrSurfaceProxy.h" |
| #include "src/gpu/GrTextureProxy.h" |
| #include "src/gpu/SkGr.h" |
| |
| void TestReadPixels(skiatest::Reporter* reporter, |
| GrDirectContext* dContext, |
| GrSurfaceContext* srcContext, |
| uint32_t expectedPixelValues[], |
| const char* testName) { |
| int pixelCnt = srcContext->width() * srcContext->height(); |
| SkImageInfo ii = SkImageInfo::Make(srcContext->dimensions(), |
| kRGBA_8888_SkColorType, |
| kPremul_SkAlphaType); |
| SkAutoPixmapStorage pm; |
| pm.alloc(ii); |
| pm.erase(SK_ColorTRANSPARENT); |
| |
| bool read = srcContext->readPixels(dContext, pm, {0, 0}); |
| if (!read) { |
| ERRORF(reporter, "%s: Error reading from texture.", testName); |
| } |
| |
| for (int i = 0; i < pixelCnt; ++i) { |
| if (pm.addr32()[i] != expectedPixelValues[i]) { |
| ERRORF(reporter, "%s: Error, pixel value %d should be 0x%08x, got 0x%08x.", |
| testName, i, expectedPixelValues[i], pm.addr32()[i]); |
| break; |
| } |
| } |
| } |
| |
| void TestWritePixels(skiatest::Reporter* reporter, |
| GrDirectContext* dContext, |
| GrSurfaceContext* dstContext, |
| bool expectedToWork, |
| const char* testName) { |
| SkImageInfo ii = SkImageInfo::Make(dstContext->dimensions(), |
| kRGBA_8888_SkColorType, |
| kPremul_SkAlphaType); |
| SkAutoPixmapStorage pm; |
| pm.alloc(ii); |
| for (int y = 0; y < dstContext->height(); ++y) { |
| for (int x = 0; x < dstContext->width(); ++x) { |
| *pm.writable_addr32(x, y) = SkColorToPremulGrColor(SkColorSetARGB(2*y, x, y, x + y)); |
| } |
| } |
| |
| bool write = dstContext->writePixels(dContext, pm, {0, 0}); |
| if (!write) { |
| if (expectedToWork) { |
| ERRORF(reporter, "%s: Error writing to texture.", testName); |
| } |
| return; |
| } |
| |
| if (write && !expectedToWork) { |
| ERRORF(reporter, "%s: writePixels succeeded when it wasn't supposed to.", testName); |
| return; |
| } |
| |
| TestReadPixels(reporter, dContext, dstContext, pm.writable_addr32(0, 0), testName); |
| } |
| |
| void TestCopyFromSurface(skiatest::Reporter* reporter, |
| GrDirectContext* dContext, |
| sk_sp<GrSurfaceProxy> proxy, |
| GrSurfaceOrigin origin, |
| GrColorType colorType, |
| uint32_t expectedPixelValues[], |
| const char* testName) { |
| auto copy = GrSurfaceProxy::Copy(dContext, std::move(proxy), origin, GrMipmapped::kNo, |
| SkBackingFit::kExact, SkBudgeted::kYes); |
| SkASSERT(copy && copy->asTextureProxy()); |
| auto swizzle = dContext->priv().caps()->getReadSwizzle(copy->backendFormat(), colorType); |
| GrSurfaceProxyView view(std::move(copy), origin, swizzle); |
| auto dstContext = GrSurfaceContext::Make(dContext, |
| std::move(view), |
| {colorType, kPremul_SkAlphaType, nullptr}); |
| SkASSERT(dstContext); |
| |
| TestReadPixels(reporter, dContext, dstContext.get(), expectedPixelValues, testName); |
| } |
| |
| bool BipmapToBase64DataURI(const SkBitmap& bitmap, SkString* dst) { |
| SkPixmap pm; |
| if (!bitmap.peekPixels(&pm)) { |
| dst->set("peekPixels failed"); |
| return false; |
| } |
| |
| // We're going to embed this PNG in a data URI, so make it as small as possible |
| SkPngEncoder::Options options; |
| options.fFilterFlags = SkPngEncoder::FilterFlag::kAll; |
| options.fZLibLevel = 9; |
| |
| SkDynamicMemoryWStream wStream; |
| if (!SkPngEncoder::Encode(&wStream, pm, options)) { |
| dst->set("SkPngEncoder::Encode failed"); |
| return false; |
| } |
| |
| sk_sp<SkData> pngData = wStream.detachAsData(); |
| size_t len = SkBase64::Encode(pngData->data(), pngData->size(), nullptr); |
| |
| // The PNG can be almost arbitrarily large. We don't want to fill our logs with enormous URLs. |
| // Infra says these can be pretty big, as long as we're only outputting them on failure. |
| static const size_t kMaxBase64Length = 1024 * 1024; |
| if (len > kMaxBase64Length) { |
| dst->printf("Encoded image too large (%u bytes)", static_cast<uint32_t>(len)); |
| return false; |
| } |
| |
| dst->resize(len); |
| SkBase64::Encode(pngData->data(), pngData->size(), dst->writable_str()); |
| dst->prepend("data:image/png;base64,"); |
| return true; |
| } |
| |
| static bool compare_colors(int x, int y, |
| const float rgbaA[], |
| const float rgbaB[], |
| const float tolRGBA[4], |
| std::function<ComparePixmapsErrorReporter>& error) { |
| float diffs[4]; |
| bool bad = false; |
| for (int i = 0; i < 4; ++i) { |
| diffs[i] = rgbaB[i] - rgbaA[i]; |
| if (std::abs(diffs[i]) > std::abs(tolRGBA[i])) { |
| bad = true; |
| } |
| } |
| if (bad) { |
| error(x, y, diffs); |
| return false; |
| } |
| return true; |
| } |
| |
| bool ComparePixels(const GrCPixmap& a, |
| const GrCPixmap& b, |
| const float tolRGBA[4], |
| std::function<ComparePixmapsErrorReporter>& error) { |
| if (a.dimensions() != b.dimensions()) { |
| static constexpr float kEmptyDiffs[4] = {}; |
| error(-1, -1, kEmptyDiffs); |
| return false; |
| } |
| |
| SkAlphaType floatAlphaType = a.alphaType(); |
| // If one is premul and the other is unpremul we do the comparison in premul space. |
| if ((a.alphaType() == kPremul_SkAlphaType || b.alphaType() == kPremul_SkAlphaType) && |
| (a.alphaType() == kUnpremul_SkAlphaType || b.alphaType() == kUnpremul_SkAlphaType)) { |
| floatAlphaType = kPremul_SkAlphaType; |
| } |
| sk_sp<SkColorSpace> floatCS; |
| if (SkColorSpace::Equals(a.colorSpace(), b.colorSpace())) { |
| floatCS = a.refColorSpace(); |
| } else { |
| floatCS = SkColorSpace::MakeSRGBLinear(); |
| } |
| GrImageInfo floatInfo(GrColorType::kRGBA_F32, |
| floatAlphaType, |
| std::move(floatCS), |
| a.dimensions()); |
| |
| GrPixmap floatA = GrPixmap::Allocate(floatInfo); |
| GrPixmap floatB = GrPixmap::Allocate(floatInfo); |
| SkAssertResult(GrConvertPixels(floatA, a)); |
| SkAssertResult(GrConvertPixels(floatB, b)); |
| |
| SkASSERT(floatA.rowBytes() == floatB.rowBytes()); |
| auto at = [rb = floatA.rowBytes()](const void* base, int x, int y) { |
| return SkTAddOffset<const float>(base, y*rb + x*sizeof(float)*4); |
| }; |
| |
| for (int y = 0; y < floatA.height(); ++y) { |
| for (int x = 0; x < floatA.width(); ++x) { |
| const float* rgbaA = at(floatA.addr(), x, y); |
| const float* rgbaB = at(floatB.addr(), x, y); |
| if (!compare_colors(x, y, rgbaA, rgbaB, tolRGBA, error)) { |
| return false; |
| } |
| } |
| } |
| return true; |
| } |
| |
| bool CheckSolidPixels(const SkColor4f& col, |
| const SkPixmap& pixmap, |
| const float tolRGBA[4], |
| std::function<ComparePixmapsErrorReporter>& error) { |
| size_t floatBpp = GrColorTypeBytesPerPixel(GrColorType::kRGBA_F32); |
| |
| // First convert 'col' to be compatible with 'pixmap' |
| GrPixmap colorPixmap; |
| { |
| sk_sp<SkColorSpace> srcCS = SkColorSpace::MakeSRGBLinear(); |
| GrImageInfo srcInfo(GrColorType::kRGBA_F32, |
| kUnpremul_SkAlphaType, |
| std::move(srcCS), |
| {1, 1}); |
| GrCPixmap srcPixmap(srcInfo, col.vec(), floatBpp); |
| GrImageInfo dstInfo = |
| srcInfo.makeAlphaType(pixmap.alphaType()).makeColorSpace(pixmap.refColorSpace()); |
| colorPixmap = GrPixmap::Allocate(dstInfo); |
| SkAssertResult(GrConvertPixels(colorPixmap, srcPixmap)); |
| } |
| |
| size_t floatRowBytes = floatBpp * pixmap.width(); |
| std::unique_ptr<char[]> floatB(new char[floatRowBytes * pixmap.height()]); |
| // Then convert 'pixmap' to RGBA_F32 |
| GrPixmap f32Pixmap = GrPixmap::Allocate(pixmap.info().makeColorType(kRGBA_F32_SkColorType)); |
| SkAssertResult(GrConvertPixels(f32Pixmap, pixmap)); |
| |
| for (int y = 0; y < f32Pixmap.height(); ++y) { |
| for (int x = 0; x < f32Pixmap.width(); ++x) { |
| auto rgbaA = SkTAddOffset<const float>(f32Pixmap.addr(), |
| f32Pixmap.rowBytes()*y + floatBpp*x); |
| auto rgbaB = static_cast<const float*>(colorPixmap.addr()); |
| if (!compare_colors(x, y, rgbaA, rgbaB, tolRGBA, error)) { |
| return false; |
| } |
| } |
| } |
| return true; |
| } |
| |
| void CheckSingleThreadedProxyRefs(skiatest::Reporter* reporter, |
| GrSurfaceProxy* proxy, |
| int32_t expectedProxyRefs, |
| int32_t expectedBackingRefs) { |
| int32_t actualBackingRefs = proxy->testingOnly_getBackingRefCnt(); |
| |
| REPORTER_ASSERT(reporter, proxy->refCntGreaterThan(expectedProxyRefs - 1) && |
| !proxy->refCntGreaterThan(expectedProxyRefs)); |
| REPORTER_ASSERT(reporter, actualBackingRefs == expectedBackingRefs); |
| } |
| |
| #include "src/utils/SkCharToGlyphCache.h" |
| |
| static SkGlyphID hash_to_glyph(uint32_t value) { |
| return SkToU16(((value >> 16) ^ value) & 0xFFFF); |
| } |
| |
| namespace { |
| class UnicharGen { |
| SkUnichar fU; |
| const int fStep; |
| public: |
| UnicharGen(int step) : fU(0), fStep(step) {} |
| |
| SkUnichar next() { |
| fU += fStep; |
| return fU; |
| } |
| }; |
| } // namespace |
| |
| DEF_TEST(chartoglyph_cache, reporter) { |
| SkCharToGlyphCache cache; |
| const int step = 3; |
| |
| UnicharGen gen(step); |
| for (int i = 0; i < 500; ++i) { |
| SkUnichar c = gen.next(); |
| SkGlyphID glyph = hash_to_glyph(c); |
| |
| int index = cache.findGlyphIndex(c); |
| if (index >= 0) { |
| index = cache.findGlyphIndex(c); |
| } |
| REPORTER_ASSERT(reporter, index < 0); |
| cache.insertCharAndGlyph(~index, c, glyph); |
| |
| UnicharGen gen2(step); |
| for (int j = 0; j <= i; ++j) { |
| c = gen2.next(); |
| glyph = hash_to_glyph(c); |
| index = cache.findGlyphIndex(c); |
| if ((unsigned)index != glyph) { |
| index = cache.findGlyphIndex(c); |
| } |
| REPORTER_ASSERT(reporter, (unsigned)index == glyph); |
| } |
| } |
| } |