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/*
* Copyright 2016 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "Benchmark.h"
#include "Resources.h"
#include "SkAutoPixmapStorage.h"
#include "SkData.h"
#include "SkFloatToDecimal.h"
#include "SkGradientShader.h"
#include "SkImage.h"
#include "SkPixmap.h"
#include "SkRandom.h"
#include "SkStream.h"
#include "SkTo.h"
namespace {
struct WStreamWriteTextBenchmark : public Benchmark {
std::unique_ptr<SkWStream> fWStream;
WStreamWriteTextBenchmark() : fWStream(new SkNullWStream) {}
const char* onGetName() override { return "WStreamWriteText"; }
bool isSuitableFor(Backend backend) override {
return backend == kNonRendering_Backend;
}
void onDraw(int loops, SkCanvas*) override {
while (loops-- > 0) {
for (int i = 1000; i-- > 0;) {
fWStream->writeText("HELLO SKIA!\n");
}
}
}
};
} // namespace
DEF_BENCH(return new WStreamWriteTextBenchmark;)
// Test speed of SkFloatToDecimal for typical floats that
// might be found in a PDF document.
struct PDFScalarBench : public Benchmark {
PDFScalarBench(const char* n, float (*f)(SkRandom*)) : fName(n), fNextFloat(f) {}
const char* fName;
float (*fNextFloat)(SkRandom*);
bool isSuitableFor(Backend b) override {
return b == kNonRendering_Backend;
}
const char* onGetName() override { return fName; }
void onDraw(int loops, SkCanvas*) override {
SkRandom random;
char dst[kMaximumSkFloatToDecimalLength];
while (loops-- > 0) {
auto f = fNextFloat(&random);
(void)SkFloatToDecimal(f, dst);
}
}
};
float next_common(SkRandom* random) {
return random->nextRangeF(-500.0f, 1500.0f);
}
float next_any(SkRandom* random) {
union { uint32_t u; float f; };
u = random->nextU();
static_assert(sizeof(float) == sizeof(uint32_t), "");
return f;
}
DEF_BENCH(return new PDFScalarBench("PDFScalar_common", next_common);)
DEF_BENCH(return new PDFScalarBench("PDFScalar_random", next_any);)
#ifdef SK_SUPPORT_PDF
#include "SkPDFBitmap.h"
#include "SkPDFDocument.h"
#include "SkPDFShader.h"
namespace {
static void test_pdf_object_serialization(const sk_sp<SkPDFObject> object) {
// SkDebugWStream wStream;
SkNullWStream wStream;
SkPDFObjNumMap objNumMap;
objNumMap.addObjectRecursively(object.get());
for (int i = 0; i < objNumMap.objects().count(); ++i) {
SkPDFObject* object = objNumMap.objects()[i].get();
wStream.writeDecAsText(i + 1);
wStream.writeText(" 0 obj\n");
object->emitObject(&wStream, objNumMap);
wStream.writeText("\nendobj\n");
}
}
class PDFImageBench : public Benchmark {
public:
PDFImageBench() {}
~PDFImageBench() override {}
protected:
const char* onGetName() override { return "PDFImage"; }
bool isSuitableFor(Backend backend) override {
return backend == kNonRendering_Backend;
}
void onDelayedSetup() override {
sk_sp<SkImage> img(GetResourceAsImage("images/color_wheel.png"));
if (img) {
// force decoding, throw away reference to encoded data.
SkAutoPixmapStorage pixmap;
pixmap.alloc(SkImageInfo::MakeN32Premul(img->dimensions()));
if (img->readPixels(pixmap, 0, 0)) {
fImage = SkImage::MakeRasterCopy(pixmap);
}
}
}
void onDraw(int loops, SkCanvas*) override {
if (!fImage) {
return;
}
while (loops-- > 0) {
auto object = SkPDFCreateBitmapObject(fImage);
SkASSERT(object);
if (!object) {
return;
}
test_pdf_object_serialization(object);
}
}
private:
sk_sp<SkImage> fImage;
};
class PDFJpegImageBench : public Benchmark {
public:
PDFJpegImageBench() {}
~PDFJpegImageBench() override {}
protected:
const char* onGetName() override { return "PDFJpegImage"; }
bool isSuitableFor(Backend backend) override {
return backend == kNonRendering_Backend;
}
void onDelayedSetup() override {
sk_sp<SkImage> img(GetResourceAsImage("images/mandrill_512_q075.jpg"));
if (!img) { return; }
sk_sp<SkData> encoded = img->refEncodedData();
SkASSERT(encoded);
if (!encoded) { return; }
fImage = img;
}
void onDraw(int loops, SkCanvas*) override {
if (!fImage) {
SkDEBUGFAIL("");
return;
}
while (loops-- > 0) {
auto object = SkPDFCreateBitmapObject(fImage);
SkASSERT(object);
if (!object) {
return;
}
test_pdf_object_serialization(object);
}
}
private:
sk_sp<SkImage> fImage;
};
/** Test calling DEFLATE on a 78k PDF command stream. Used for measuring
alternate zlib settings, usage, and library versions. */
class PDFCompressionBench : public Benchmark {
public:
PDFCompressionBench() {}
~PDFCompressionBench() override {}
protected:
const char* onGetName() override { return "PDFCompression"; }
bool isSuitableFor(Backend backend) override {
return backend == kNonRendering_Backend;
}
void onDelayedSetup() override {
fAsset = GetResourceAsStream("pdf_command_stream.txt");
}
void onDraw(int loops, SkCanvas*) override {
SkASSERT(fAsset);
if (!fAsset) { return; }
while (loops-- > 0) {
sk_sp<SkPDFObject> object =
sk_make_sp<SkPDFSharedStream>(
std::unique_ptr<SkStreamAsset>(fAsset->duplicate()));
test_pdf_object_serialization(object);
}
}
private:
std::unique_ptr<SkStreamAsset> fAsset;
};
struct PDFColorComponentBench : public Benchmark {
bool isSuitableFor(Backend b) override {
return b == kNonRendering_Backend;
}
const char* onGetName() override { return "PDFColorComponent"; }
void onDraw(int loops, SkCanvas*) override {
char dst[5];
while (loops-- > 0) {
for (int i = 0; i < 256; ++i) {
(void)SkPDFUtils::ColorToDecimal(SkToU8(i), dst);
}
}
}
};
struct PDFShaderBench : public Benchmark {
sk_sp<SkShader> fShader;
const char* onGetName() final { return "PDFShader"; }
bool isSuitableFor(Backend b) final { return b == kNonRendering_Backend; }
void onDelayedSetup() final {
const SkPoint pts[2] = {{0.0f, 0.0f}, {100.0f, 100.0f}};
const SkColor colors[] = {
SK_ColorRED, SK_ColorGREEN, SK_ColorBLUE,
SK_ColorWHITE, SK_ColorBLACK,
};
fShader = SkGradientShader::MakeLinear(
pts, colors, nullptr, SK_ARRAY_COUNT(colors),
SkShader::kClamp_TileMode);
}
void onDraw(int loops, SkCanvas*) final {
SkASSERT(fShader);
while (loops-- > 0) {
SkNullWStream nullStream;
SkPDFDocument doc(&nullStream, SkDocument::PDFMetadata());
sk_sp<SkPDFObject> shader = SkPDFMakeShader(&doc, fShader.get(), SkMatrix::I(),
{0, 0, 400, 400}, SK_ColorBLACK);
}
}
};
struct WritePDFTextBenchmark : public Benchmark {
std::unique_ptr<SkWStream> fWStream;
WritePDFTextBenchmark() : fWStream(new SkNullWStream) {}
const char* onGetName() override { return "WritePDFText"; }
bool isSuitableFor(Backend backend) override {
return backend == kNonRendering_Backend;
}
void onDraw(int loops, SkCanvas*) override {
static const char kHello[] = "HELLO SKIA!\n";
static const char kBinary[] = "\001\002\003\004\005\006";
while (loops-- > 0) {
for (int i = 1000; i-- > 0;) {
SkPDFUtils::WriteString(fWStream.get(), kHello, strlen(kHello));
SkPDFUtils::WriteString(fWStream.get(), kBinary, strlen(kBinary));
}
}
}
};
} // namespace
DEF_BENCH(return new PDFImageBench;)
DEF_BENCH(return new PDFJpegImageBench;)
DEF_BENCH(return new PDFCompressionBench;)
DEF_BENCH(return new PDFColorComponentBench;)
DEF_BENCH(return new PDFShaderBench;)
DEF_BENCH(return new WritePDFTextBenchmark;)
#endif
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