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