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gerrit-public.fairphone.software / platform / external / skia / 1ca36ecfd9dc37d0d4121a020a0371a81ec33f99 / . / gm / gmmain.cpp
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/*
* Copyright 2011 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
/*
* Code for the "gm" (Golden Master) rendering comparison tool.
*
* If you make changes to this, re-run the self-tests at gm/tests/run.sh
* to make sure they still pass... you may need to change the expected
* results of the self-test.
*/
#include "gm.h"
#include "gm_error.h"
#include "gm_expectations.h"
#include "system_preferences.h"
#include "SkBitmap.h"
#include "SkBitmapHasher.h"
#include "SkColorPriv.h"
#include "SkCommandLineFlags.h"
#include "SkData.h"
#include "SkDeferredCanvas.h"
#include "SkDevice.h"
#include "SkDrawFilter.h"
#include "SkGPipe.h"
#include "SkGraphics.h"
#include "SkImageDecoder.h"
#include "SkImageEncoder.h"
#include "SkOSFile.h"
#include "SkPicture.h"
#include "SkRefCnt.h"
#include "SkStream.h"
#include "SkTArray.h"
#include "SkTDict.h"
#include "SkTileGridPicture.h"
#include "SamplePipeControllers.h"
#ifdef SK_BUILD_FOR_WIN
// json includes xlocale which generates warning 4530 because we're compiling without
// exceptions; see https://code.google.com/p/skia/issues/detail?id=1067
#pragma warning(push)
#pragma warning(disable : 4530)
#endif
#include "json/value.h"
#ifdef SK_BUILD_FOR_WIN
#pragma warning(pop)
#endif
#if SK_SUPPORT_GPU
#include "GrContextFactory.h"
#include "SkGpuDevice.h"
typedef GrContextFactory::GLContextType GLContextType;
#define DEFAULT_CACHE_VALUE -1
static int gGpuCacheSizeBytes;
static int gGpuCacheSizeCount;
#else
class GrContextFactory;
class GrContext;
class GrSurface;
typedef int GLContextType;
#endif
#define DEBUGFAIL_SEE_STDERR SkDEBUGFAIL("see stderr for message")
extern bool gSkSuppressFontCachePurgeSpew;
#ifdef SK_SUPPORT_PDF
#include "SkPDFDevice.h"
#include "SkPDFDocument.h"
#endif
// Until we resolve http://code.google.com/p/skia/issues/detail?id=455 ,
// stop writing out XPS-format image baselines in gm.
#undef SK_SUPPORT_XPS
#ifdef SK_SUPPORT_XPS
#include "SkXPSDevice.h"
#endif
#ifdef SK_BUILD_FOR_MAC
#include "SkCGUtils.h"
#define CAN_IMAGE_PDF 1
#else
#define CAN_IMAGE_PDF 0
#endif
using namespace skiagm;
class Iter {
public:
Iter() {
this->reset();
}
void reset() {
fReg = GMRegistry::Head();
}
GM* next() {
if (fReg) {
GMRegistry::Factory fact = fReg->factory();
fReg = fReg->next();
return fact(0);
}
return NULL;
}
static int Count() {
const GMRegistry* reg = GMRegistry::Head();
int count = 0;
while (reg) {
count += 1;
reg = reg->next();
}
return count;
}
private:
const GMRegistry* fReg;
};
enum Backend {
kRaster_Backend,
kGPU_Backend,
kPDF_Backend,
kXPS_Backend,
};
enum BbhType {
kNone_BbhType,
kRTree_BbhType,
kTileGrid_BbhType,
};
enum ConfigFlags {
kNone_ConfigFlag = 0x0,
/* Write GM images if a write path is provided. */
kWrite_ConfigFlag = 0x1,
/* Read reference GM images if a read path is provided. */
kRead_ConfigFlag = 0x2,
kRW_ConfigFlag = (kWrite_ConfigFlag | kRead_ConfigFlag),
};
struct ConfigData {
SkBitmap::Config fConfig;
Backend fBackend;
GLContextType fGLContextType; // GPU backend only
int fSampleCnt; // GPU backend only
ConfigFlags fFlags;
const char* fName;
bool fRunByDefault;
};
class BWTextDrawFilter : public SkDrawFilter {
public:
virtual bool filter(SkPaint*, Type) SK_OVERRIDE;
};
bool BWTextDrawFilter::filter(SkPaint* p, Type t) {
if (kText_Type == t) {
p->setAntiAlias(false);
}
return true;
}
struct PipeFlagComboData {
const char* name;
uint32_t flags;
};
static PipeFlagComboData gPipeWritingFlagCombos[] = {
{ "", 0 },
{ " cross-process", SkGPipeWriter::kCrossProcess_Flag },
{ " cross-process, shared address", SkGPipeWriter::kCrossProcess_Flag
| SkGPipeWriter::kSharedAddressSpace_Flag }
};
static bool encode_to_dct_stream(SkWStream* stream, const SkBitmap& bitmap, const SkIRect& rect);
const static ErrorCombination kDefaultIgnorableErrorTypes = ErrorCombination()
.plus(kMissingExpectations_ErrorType)
.plus(kIntentionallySkipped_ErrorType);
class GMMain {
public:
GMMain() : fUseFileHierarchy(false), fIgnorableErrorTypes(kDefaultIgnorableErrorTypes),
fMismatchPath(NULL), fTestsRun(0), fRenderModesEncountered(1) {}
SkString make_name(const char shortName[], const char configName[]) {
SkString name;
if (0 == strlen(configName)) {
name.append(shortName);
} else if (fUseFileHierarchy) {
name.appendf("%s%c%s", configName, SkPATH_SEPARATOR, shortName);
} else {
name.appendf("%s_%s", shortName, configName);
}
return name;
}
/* since PNG insists on unpremultiplying our alpha, we take no
precision chances and force all pixels to be 100% opaque,
otherwise on compare we may not get a perfect match.
*/
static void force_all_opaque(const SkBitmap& bitmap) {
SkBitmap::Config config = bitmap.config();
switch (config) {
case SkBitmap::kARGB_8888_Config:
force_all_opaque_8888(bitmap);
break;
case SkBitmap::kRGB_565_Config:
// nothing to do here; 565 bitmaps are inherently opaque
break;
default:
gm_fprintf(stderr, "unsupported bitmap config %d\n", config);
DEBUGFAIL_SEE_STDERR;
}
}
static void force_all_opaque_8888(const SkBitmap& bitmap) {
SkAutoLockPixels lock(bitmap);
for (int y = 0; y < bitmap.height(); y++) {
for (int x = 0; x < bitmap.width(); x++) {
*bitmap.getAddr32(x, y) |= (SK_A32_MASK << SK_A32_SHIFT);
}
}
}
static bool write_bitmap(const SkString& path, const SkBitmap& bitmap) {
// TODO(epoger): Now that we have removed force_all_opaque()
// from this method, we should be able to get rid of the
// transformation to 8888 format also.
SkBitmap copy;
bitmap.copyTo(&copy, SkBitmap::kARGB_8888_Config);
return SkImageEncoder::EncodeFile(path.c_str(), copy,
SkImageEncoder::kPNG_Type, 100);
}
/**
* Add all render modes encountered thus far to the "modes" array.
*/
void GetRenderModesEncountered(SkTArray<SkString> &modes) {
SkTDict<int>::Iter iter(this->fRenderModesEncountered);
const char* mode;
while ((mode = iter.next(NULL)) != NULL) {
SkString modeAsString = SkString(mode);
// TODO(epoger): It seems a bit silly that all of these modes were
// recorded with a leading "-" which we have to remove here
// (except for mode "", which means plain old original mode).
// But that's how renderModeDescriptor has been passed into
// compare_test_results_to_reference_bitmap() historically,
// and changing that now may affect other parts of our code.
if (modeAsString.startsWith("-")) {
modeAsString.remove(0, 1);
modes.push_back(modeAsString);
}
}
}
/**
* Records the results of this test in fTestsRun and fFailedTests.
*
* We even record successes, and errors that we regard as
* "ignorable"; we can filter them out later.
*/
void RecordTestResults(const ErrorCombination& errorCombination, const SkString& name,
const char renderModeDescriptor []) {
// Things to do regardless of errorCombination.
fTestsRun++;
int renderModeCount = 0;
this->fRenderModesEncountered.find(renderModeDescriptor, &renderModeCount);
renderModeCount++;
this->fRenderModesEncountered.set(renderModeDescriptor, renderModeCount);
if (errorCombination.isEmpty()) {
return;
}
// Things to do only if there is some error condition.
SkString fullName = name;
fullName.append(renderModeDescriptor);
for (int typeInt = 0; typeInt <= kLast_ErrorType; typeInt++) {
ErrorType type = static_cast<ErrorType>(typeInt);
if (errorCombination.includes(type)) {
fFailedTests[type].push_back(fullName);
}
}
}
/**
* Return the number of significant (non-ignorable) errors we have
* encountered so far.
*/
int NumSignificantErrors() {
int significantErrors = 0;
for (int typeInt = 0; typeInt <= kLast_ErrorType; typeInt++) {
ErrorType type = static_cast<ErrorType>(typeInt);
if (!fIgnorableErrorTypes.includes(type)) {
significantErrors += fFailedTests[type].count();
}
}
return significantErrors;
}
/**
* Display the summary of results with this ErrorType.
*
* @param type which ErrorType
* @param verbose whether to be all verbose about it
*/
void DisplayResultTypeSummary(ErrorType type, bool verbose) {
bool isIgnorableType = fIgnorableErrorTypes.includes(type);
SkString line;
if (isIgnorableType) {
line.append("[ ] ");
} else {
line.append("[*] ");
}
SkTArray<SkString> *failedTestsOfThisType = &fFailedTests[type];
int count = failedTestsOfThisType->count();
line.appendf("%d %s", count, getErrorTypeName(type));
if (!isIgnorableType || verbose) {
line.append(":");
for (int i = 0; i < count; ++i) {
line.append(" ");
line.append((*failedTestsOfThisType)[i]);
}
}
gm_fprintf(stdout, "%s\n", line.c_str());
}
/**
* List contents of fFailedTests to stdout.
*
* @param verbose whether to be all verbose about it
*/
void ListErrors(bool verbose) {
// First, print a single summary line.
SkString summary;
summary.appendf("Ran %d tests:", fTestsRun);
for (int typeInt = 0; typeInt <= kLast_ErrorType; typeInt++) {
ErrorType type = static_cast<ErrorType>(typeInt);
summary.appendf(" %s=%d", getErrorTypeName(type), fFailedTests[type].count());
}
gm_fprintf(stdout, "%s\n", summary.c_str());
// Now, for each failure type, list the tests that failed that way.
for (int typeInt = 0; typeInt <= kLast_ErrorType; typeInt++) {
this->DisplayResultTypeSummary(static_cast<ErrorType>(typeInt), verbose);
}
gm_fprintf(stdout, "(results marked with [*] will cause nonzero return value)\n");
}
static bool write_document(const SkString& path,
const SkDynamicMemoryWStream& document) {
SkFILEWStream stream(path.c_str());
SkAutoDataUnref data(document.copyToData());
return stream.write(data->data(), data->size());
}
/**
* Prepare an SkBitmap to render a GM into.
*
* After you've rendered the GM into the SkBitmap, you must call
* complete_bitmap()!
*
* @todo thudson 22 April 2011 - could refactor this to take in
* a factory to generate the context, always call readPixels()
* (logically a noop for rasters, if wasted time), and thus collapse the
* GPU special case and also let this be used for SkPicture testing.
*/
static void setup_bitmap(const ConfigData& gRec, SkISize& size,
SkBitmap* bitmap) {
bitmap->setConfig(gRec.fConfig, size.width(), size.height());
bitmap->allocPixels();
bitmap->eraseColor(SK_ColorTRANSPARENT);
}
/**
* Any finalization steps we need to perform on the SkBitmap after
* we have rendered the GM into it.
*
* It's too bad that we are throwing away alpha channel data
* we could otherwise be examining, but this had always been happening
* before... it was buried within the compare() method at
* https://code.google.com/p/skia/source/browse/trunk/gm/gmmain.cpp?r=7289#305 .
*
* Apparently we need this, at least for bitmaps that are either:
* (a) destined to be written out as PNG files, or
* (b) compared against bitmaps read in from PNG files
* for the reasons described just above the force_all_opaque() method.
*
* Neglecting to do this led to the difficult-to-diagnose
* http://code.google.com/p/skia/issues/detail?id=1079 ('gm generating
* spurious pixel_error messages as of r7258')
*
* TODO(epoger): Come up with a better solution that allows us to
* compare full pixel data, including alpha channel, while still being
* robust in the face of transformations to/from PNG files.
* Options include:
*
* 1. Continue to call force_all_opaque(), but ONLY for bitmaps that
* will be written to, or compared against, PNG files.
* PRO: Preserve/compare alpha channel info for the non-PNG cases
* (comparing different renderModes in-memory)
* CON: The bitmaps (and hash digests) for these non-PNG cases would be
* different than those for the PNG-compared cases, and in the
* case of a failed renderMode comparison, how would we write the
* image to disk for examination?
*
* 2. Always compute image hash digests from PNG format (either
* directly from the the bytes of a PNG file, or capturing the
* bytes we would have written to disk if we were writing the
* bitmap out as a PNG).
* PRO: I think this would allow us to never force opaque, and to
* the extent that alpha channel data can be preserved in a PNG
* file, we could observe it.
* CON: If we read a bitmap from disk, we need to take its hash digest
* from the source PNG (we can't compute it from the bitmap we
* read out of the PNG, because we will have already premultiplied
* the alpha).
* CON: Seems wasteful to convert a bitmap to PNG format just to take
* its hash digest. (Although we're wasting lots of effort already
* calling force_all_opaque().)
*
* 3. Make the alpha premultiply/unpremultiply routines 100% consistent,
* so we can transform images back and forth without fear of off-by-one
* errors.
* CON: Math is hard.
*
* 4. Perform a "close enough" comparison of bitmaps (+/- 1 bit in each
* channel), rather than demanding absolute equality.
* CON: Can't do this with hash digests.
*/
static void complete_bitmap(SkBitmap* bitmap) {
force_all_opaque(*bitmap);
}
static void installFilter(SkCanvas* canvas);
static void invokeGM(GM* gm, SkCanvas* canvas, bool isPDF, bool isDeferred) {
SkAutoCanvasRestore acr(canvas, true);
if (!isPDF) {
canvas->concat(gm->getInitialTransform());
}
installFilter(canvas);
gm->setCanvasIsDeferred(isDeferred);
gm->draw(canvas);
canvas->setDrawFilter(NULL);
}
static ErrorCombination generate_image(GM* gm, const ConfigData& gRec,
GrSurface* gpuTarget,
SkBitmap* bitmap,
bool deferred) {
SkISize size (gm->getISize());
setup_bitmap(gRec, size, bitmap);
SkAutoTUnref<SkCanvas> canvas;
if (gRec.fBackend == kRaster_Backend) {
SkAutoTUnref<SkDevice> device(new SkDevice(*bitmap));
if (deferred) {
canvas.reset(new SkDeferredCanvas(device));
} else {
canvas.reset(new SkCanvas(device));
}
invokeGM(gm, canvas, false, deferred);
canvas->flush();
}
#if SK_SUPPORT_GPU
else { // GPU
SkAutoTUnref<SkDevice> device(SkGpuDevice::Create(gpuTarget));
if (deferred) {
canvas.reset(new SkDeferredCanvas(device));
} else {
canvas.reset(new SkCanvas(device));
}
invokeGM(gm, canvas, false, deferred);
// the device is as large as the current rendertarget, so
// we explicitly only readback the amount we expect (in
// size) overwrite our previous allocation
bitmap->setConfig(SkBitmap::kARGB_8888_Config, size.fWidth,
size.fHeight);
canvas->readPixels(bitmap, 0, 0);
}
#endif
complete_bitmap(bitmap);
return kEmpty_ErrorCombination;
}
static void generate_image_from_picture(GM* gm, const ConfigData& gRec,
SkPicture* pict, SkBitmap* bitmap,
SkScalar scale = SK_Scalar1,
bool tile = false) {
SkISize size = gm->getISize();
setup_bitmap(gRec, size, bitmap);
if (tile) {
// Generate the result image by rendering to tiles and accumulating
// the results in 'bitmap'
// This 16x16 tiling matches the settings applied to 'pict' in
// 'generate_new_picture'
SkISize tileSize = SkISize::Make(16, 16);
SkBitmap tileBM;
setup_bitmap(gRec, tileSize, &tileBM);
SkCanvas tileCanvas(tileBM);
installFilter(&tileCanvas);
SkCanvas bmpCanvas(*bitmap);
SkPaint bmpPaint;
bmpPaint.setXfermodeMode(SkXfermode::kSrc_Mode);
for (int yTile = 0; yTile < (size.height()+15)/16; ++yTile) {
for (int xTile = 0; xTile < (size.width()+15)/16; ++xTile) {
int saveCount = tileCanvas.save();
SkMatrix mat(tileCanvas.getTotalMatrix());
mat.postTranslate(SkIntToScalar(-xTile*tileSize.width()),
SkIntToScalar(-yTile*tileSize.height()));
tileCanvas.setMatrix(mat);
pict->draw(&tileCanvas);
tileCanvas.flush();
tileCanvas.restoreToCount(saveCount);
bmpCanvas.drawBitmap(tileBM,
SkIntToScalar(xTile * tileSize.width()),
SkIntToScalar(yTile * tileSize.height()),
&bmpPaint);
}
}
} else {
SkCanvas canvas(*bitmap);
installFilter(&canvas);
canvas.scale(scale, scale);
canvas.drawPicture(*pict);
complete_bitmap(bitmap);
}
}
static void generate_pdf(GM* gm, SkDynamicMemoryWStream& pdf) {
#ifdef SK_SUPPORT_PDF
SkMatrix initialTransform = gm->getInitialTransform();
SkISize pageSize = gm->getISize();
SkPDFDevice* dev = NULL;
if (initialTransform.isIdentity()) {
dev = new SkPDFDevice(pageSize, pageSize, initialTransform);
} else {
SkRect content = SkRect::MakeWH(SkIntToScalar(pageSize.width()),
SkIntToScalar(pageSize.height()));
initialTransform.mapRect(&content);
content.intersect(0, 0, SkIntToScalar(pageSize.width()),
SkIntToScalar(pageSize.height()));
SkISize contentSize =
SkISize::Make(SkScalarRoundToInt(content.width()),
SkScalarRoundToInt(content.height()));
dev = new SkPDFDevice(pageSize, contentSize, initialTransform);
}
dev->setDCTEncoder(encode_to_dct_stream);
SkAutoUnref aur(dev);
SkCanvas c(dev);
invokeGM(gm, &c, true, false);
SkPDFDocument doc;
doc.appendPage(dev);
doc.emitPDF(&pdf);
#endif
}
static void generate_xps(GM* gm, SkDynamicMemoryWStream& xps) {
#ifdef SK_SUPPORT_XPS
SkISize size = gm->getISize();
SkSize trimSize = SkSize::Make(SkIntToScalar(size.width()),
SkIntToScalar(size.height()));
static const SkScalar inchesPerMeter = SkScalarDiv(10000, 254);
static const SkScalar upm = 72 * inchesPerMeter;
SkVector unitsPerMeter = SkPoint::Make(upm, upm);
static const SkScalar ppm = 200 * inchesPerMeter;
SkVector pixelsPerMeter = SkPoint::Make(ppm, ppm);
SkXPSDevice* dev = new SkXPSDevice();
SkAutoUnref aur(dev);
SkCanvas c(dev);
dev->beginPortfolio(&xps);
dev->beginSheet(unitsPerMeter, pixelsPerMeter, trimSize);
invokeGM(gm, &c, false, false);
dev->endSheet();
dev->endPortfolio();
#endif
}
ErrorCombination write_reference_image(const ConfigData& gRec, const char writePath [],
const char renderModeDescriptor [], const SkString& name,
SkBitmap& bitmap, SkDynamicMemoryWStream* document) {
SkString path;
bool success = false;
if (gRec.fBackend == kRaster_Backend ||
gRec.fBackend == kGPU_Backend ||
(gRec.fBackend == kPDF_Backend && CAN_IMAGE_PDF)) {
path = make_filename(writePath, renderModeDescriptor, name.c_str(),
"png");
success = write_bitmap(path, bitmap);
}
if (kPDF_Backend == gRec.fBackend) {
path = make_filename(writePath, renderModeDescriptor, name.c_str(),
"pdf");
success = write_document(path, *document);
}
if (kXPS_Backend == gRec.fBackend) {
path = make_filename(writePath, renderModeDescriptor, name.c_str(),
"xps");
success = write_document(path, *document);
}
if (success) {
return kEmpty_ErrorCombination;
} else {
gm_fprintf(stderr, "FAILED to write %s\n", path.c_str());
ErrorCombination errors(kWritingReferenceImage_ErrorType);
// TODO(epoger): Don't call RecordTestResults() here...
// Instead, we should make sure to call RecordTestResults
// exactly ONCE per test. (Otherwise, gmmain.fTestsRun
// will be incremented twice for this test: once in
// compare_test_results_to_stored_expectations() before
// that method calls this one, and again here.)
//
// When we make that change, we should probably add a
// WritingReferenceImage test to the gm self-tests.)
RecordTestResults(errors, name, renderModeDescriptor);
return errors;
}
}
/**
* Log more detail about the mistmatch between expectedBitmap and
* actualBitmap.
*/
void report_bitmap_diffs(const SkBitmap& expectedBitmap, const SkBitmap& actualBitmap,
const char *testName) {
const int expectedWidth = expectedBitmap.width();
const int expectedHeight = expectedBitmap.height();
const int width = actualBitmap.width();
const int height = actualBitmap.height();
if ((expectedWidth != width) || (expectedHeight != height)) {
gm_fprintf(stderr, "---- %s: dimension mismatch --"
" expected [%d %d], actual [%d %d]\n",
testName, expectedWidth, expectedHeight, width, height);
return;
}
if ((SkBitmap::kARGB_8888_Config != expectedBitmap.config()) ||
(SkBitmap::kARGB_8888_Config != actualBitmap.config())) {
gm_fprintf(stderr, "---- %s: not computing max per-channel"
" pixel mismatch because non-8888\n", testName);
return;
}
SkAutoLockPixels alp0(expectedBitmap);
SkAutoLockPixels alp1(actualBitmap);
int errR = 0;
int errG = 0;
int errB = 0;
int errA = 0;
int differingPixels = 0;
for (int y = 0; y < height; ++y) {
const SkPMColor* expectedPixelPtr = expectedBitmap.getAddr32(0, y);
const SkPMColor* actualPixelPtr = actualBitmap.getAddr32(0, y);
for (int x = 0; x < width; ++x) {
SkPMColor expectedPixel = *expectedPixelPtr++;
SkPMColor actualPixel = *actualPixelPtr++;
if (expectedPixel != actualPixel) {
differingPixels++;
errR = SkMax32(errR, SkAbs32((int)SkGetPackedR32(expectedPixel) -
(int)SkGetPackedR32(actualPixel)));
errG = SkMax32(errG, SkAbs32((int)SkGetPackedG32(expectedPixel) -
(int)SkGetPackedG32(actualPixel)));
errB = SkMax32(errB, SkAbs32((int)SkGetPackedB32(expectedPixel) -
(int)SkGetPackedB32(actualPixel)));
errA = SkMax32(errA, SkAbs32((int)SkGetPackedA32(expectedPixel) -
(int)SkGetPackedA32(actualPixel)));
}
}
}
gm_fprintf(stderr, "---- %s: %d (of %d) differing pixels,"
" max per-channel mismatch R=%d G=%d B=%d A=%d\n",
testName, differingPixels, width*height, errR, errG, errB, errA);
}
/**
* Compares actual hash digest to expectations, returning the set of errors
* (if any) that we saw along the way.
*
* If fMismatchPath has been set, and there are pixel diffs, then the
* actual bitmap will be written out to a file within fMismatchPath.
*
* @param expectations what expectations to compare actualBitmap against
* @param actualBitmap the image we actually generated
* @param baseNameString name of test without renderModeDescriptor added
* @param renderModeDescriptor e.g., "-rtree", "-deferred"
* @param addToJsonSummary whether to add these results (both actual and
* expected) to the JSON summary. Regardless of this setting, if
* we find an image mismatch in this test, we will write these
* results to the JSON summary. (This is so that we will always
* report errors across rendering modes, such as pipe vs tiled.
* See https://codereview.chromium.org/13650002/ )
*/
ErrorCombination compare_to_expectations(Expectations expectations,
const SkBitmap& actualBitmap,
const SkString& baseNameString,
const char renderModeDescriptor[],
bool addToJsonSummary) {
ErrorCombination errors;
SkHashDigest actualBitmapHash;
// TODO(epoger): Better handling for error returned by ComputeDigest()?
// For now, we just report a digest of 0 in error cases, like before.
if (!SkBitmapHasher::ComputeDigest(actualBitmap, &actualBitmapHash)) {
actualBitmapHash = 0;
}
SkString completeNameString = baseNameString;
completeNameString.append(renderModeDescriptor);
const char* completeName = completeNameString.c_str();
if (expectations.empty()) {
errors.add(kMissingExpectations_ErrorType);
} else if (!expectations.match(actualBitmapHash)) {
addToJsonSummary = true;
// The error mode we record depends on whether this was running
// in a non-standard renderMode.
if ('\0' == *renderModeDescriptor) {
errors.add(kExpectationsMismatch_ErrorType);
} else {
errors.add(kRenderModeMismatch_ErrorType);
}
// Write out the "actuals" for any mismatches, if we have
// been directed to do so.
if (fMismatchPath) {
SkString path =
make_filename(fMismatchPath, renderModeDescriptor,
baseNameString.c_str(), "png");
write_bitmap(path, actualBitmap);
}
// If we have access to a single expected bitmap, log more
// detail about the mismatch.
const SkBitmap *expectedBitmapPtr = expectations.asBitmap();
if (NULL != expectedBitmapPtr) {
report_bitmap_diffs(*expectedBitmapPtr, actualBitmap, completeName);
}
}
RecordTestResults(errors, baseNameString, renderModeDescriptor);
if (addToJsonSummary) {
add_actual_results_to_json_summary(completeName, actualBitmapHash, errors,
expectations.ignoreFailure());
add_expected_results_to_json_summary(completeName, expectations);
}
return errors;
}
/**
* Add this result to the appropriate JSON collection of actual results,
* depending on errors encountered.
*/
void add_actual_results_to_json_summary(const char testName[],
const SkHashDigest& actualResult,
ErrorCombination errors,
bool ignoreFailure) {
Json::Value jsonActualResults = ActualResultAsJsonValue(actualResult);
if (errors.isEmpty()) {
this->fJsonActualResults_Succeeded[testName] = jsonActualResults;
} else {
if (ignoreFailure) {
// TODO: Once we have added the ability to compare
// actual results against expectations in a JSON file
// (where we can set ignore-failure to either true or
// false), add test cases that exercise ignored
// failures (both for kMissingExpectations_ErrorType
// and kExpectationsMismatch_ErrorType).
this->fJsonActualResults_FailureIgnored[testName] =
jsonActualResults;
} else {
if (errors.includes(kMissingExpectations_ErrorType)) {
// TODO: What about the case where there IS an
// expected image hash digest, but that gm test
// doesn't actually run? For now, those cases
// will always be ignored, because gm only looks
// at expectations that correspond to gm tests
// that were actually run.
//
// Once we have the ability to express
// expectations as a JSON file, we should fix this
// (and add a test case for which an expectation
// is given but the test is never run).
this->fJsonActualResults_NoComparison[testName] =
jsonActualResults;
}
if (errors.includes(kExpectationsMismatch_ErrorType) ||
errors.includes(kRenderModeMismatch_ErrorType)) {
this->fJsonActualResults_Failed[testName] = jsonActualResults;
}
}
}
}
/**
* Add this test to the JSON collection of expected results.
*/
void add_expected_results_to_json_summary(const char testName[],
Expectations expectations) {
this->fJsonExpectedResults[testName] = expectations.asJsonValue();
}
/**
* Compare actualBitmap to expectations stored in this->fExpectationsSource.
*
* @param gm which test generated the actualBitmap
* @param gRec
* @param writePath unless this is NULL, write out actual images into this
* directory
* @param actualBitmap bitmap generated by this run
* @param pdf
*/
ErrorCombination compare_test_results_to_stored_expectations(
GM* gm, const ConfigData& gRec, const char writePath[],
SkBitmap& actualBitmap, SkDynamicMemoryWStream* pdf) {
SkString name = make_name(gm->shortName(), gRec.fName);
ErrorCombination errors;
ExpectationsSource *expectationsSource = this->fExpectationsSource.get();
if (expectationsSource && (gRec.fFlags & kRead_ConfigFlag)) {
/*
* Get the expected results for this test, as one or more allowed
* hash digests. The current implementation of expectationsSource
* get this by computing the hash digest of a single PNG file on disk.
*
* TODO(epoger): This relies on the fact that
* force_all_opaque() was called on the bitmap before it
* was written to disk as a PNG in the first place. If
* not, the hash digest returned here may not match the
* hash digest of actualBitmap, which *has* been run through
* force_all_opaque().
* See comments above complete_bitmap() for more detail.
*/
Expectations expectations = expectationsSource->get(name.c_str());
errors.add(compare_to_expectations(expectations, actualBitmap,
name, "", true));
} else {
// If we are running without expectations, we still want to
// record the actual results.
SkHashDigest actualBitmapHash;
// TODO(epoger): Better handling for error returned by ComputeDigest()?
// For now, we just report a digest of 0 in error cases, like before.
if (!SkBitmapHasher::ComputeDigest(actualBitmap, &actualBitmapHash)) {
actualBitmapHash = 0;
}
add_actual_results_to_json_summary(name.c_str(), actualBitmapHash,
ErrorCombination(kMissingExpectations_ErrorType),
false);
RecordTestResults(ErrorCombination(kMissingExpectations_ErrorType), name, "");
}
// TODO: Consider moving this into compare_to_expectations(),
// similar to fMismatchPath... for now, we don't do that, because
// we don't want to write out the actual bitmaps for all
// renderModes of all tests! That would be a lot of files.
if (writePath && (gRec.fFlags & kWrite_ConfigFlag)) {
errors.add(write_reference_image(gRec, writePath, "",
name, actualBitmap, pdf));
}
return errors;
}
/**
* Compare actualBitmap to referenceBitmap.
*
* @param baseNameString name of test without renderModeDescriptor added
* @param renderModeDescriptor
* @param actualBitmap actual bitmap generated by this run
* @param referenceBitmap bitmap we expected to be generated
*/
ErrorCombination compare_test_results_to_reference_bitmap(
const SkString& baseNameString, const char renderModeDescriptor[],
SkBitmap& actualBitmap, const SkBitmap* referenceBitmap) {
SkASSERT(referenceBitmap);
Expectations expectations(*referenceBitmap);
return compare_to_expectations(expectations, actualBitmap,
baseNameString, renderModeDescriptor, false);
}
static SkPicture* generate_new_picture(GM* gm, BbhType bbhType, uint32_t recordFlags,
SkScalar scale = SK_Scalar1) {
// Pictures are refcounted so must be on heap
SkPicture* pict;
int width = SkScalarCeilToInt(SkScalarMul(SkIntToScalar(gm->getISize().width()), scale));
int height = SkScalarCeilToInt(SkScalarMul(SkIntToScalar(gm->getISize().height()), scale));
if (kTileGrid_BbhType == bbhType) {
SkTileGridPicture::TileGridInfo info;
info.fMargin.setEmpty();
info.fOffset.setZero();
info.fTileInterval.set(16, 16);
pict = new SkTileGridPicture(width, height, info);
} else {
pict = new SkPicture;
}
if (kNone_BbhType != bbhType) {
recordFlags |= SkPicture::kOptimizeForClippedPlayback_RecordingFlag;
}
SkCanvas* cv = pict->beginRecording(width, height, recordFlags);
cv->scale(scale, scale);
invokeGM(gm, cv, false, false);
pict->endRecording();
return pict;
}
static SkPicture* stream_to_new_picture(const SkPicture& src) {
// To do in-memory commiunications with a stream, we need to:
// * create a dynamic memory stream
// * copy it into a buffer
// * create a read stream from it
// ?!?!
SkDynamicMemoryWStream storage;
src.serialize(&storage);
size_t streamSize = storage.getOffset();
SkAutoMalloc dstStorage(streamSize);
void* dst = dstStorage.get();
//char* dst = new char [streamSize];
//@todo thudson 22 April 2011 when can we safely delete [] dst?
storage.copyTo(dst);
SkMemoryStream pictReadback(dst, streamSize);
bool success;
// Pass a decoding bitmap function so that the factory GM (which has an SkBitmap with
// encoded data) does not fail.
SkPicture* retval = new SkPicture (&pictReadback, &success, &SkImageDecoder::DecodeMemory);
return retval;
}
// Test: draw into a bitmap or pdf.
// Depending on flags, possibly compare to an expected image.
ErrorCombination test_drawing(GM* gm,
const ConfigData& gRec,
const char writePath [],
GrSurface* gpuTarget,
SkBitmap* bitmap) {
SkDynamicMemoryWStream document;
if (gRec.fBackend == kRaster_Backend ||
gRec.fBackend == kGPU_Backend) {
// Early exit if we can't generate the image.
ErrorCombination errors = generate_image(gm, gRec, gpuTarget, bitmap, false);
if (!errors.isEmpty()) {
// TODO: Add a test to exercise what the stdout and
// JSON look like if we get an "early error" while
// trying to generate the image.
return errors;
}
} else if (gRec.fBackend == kPDF_Backend) {
generate_pdf(gm, document);
#if CAN_IMAGE_PDF
SkAutoDataUnref data(document.copyToData());
SkMemoryStream stream(data->data(), data->size());
SkPDFDocumentToBitmap(&stream, bitmap);
#endif
} else if (gRec.fBackend == kXPS_Backend) {
generate_xps(gm, document);
}
return compare_test_results_to_stored_expectations(
gm, gRec, writePath, *bitmap, &document);
}
ErrorCombination test_deferred_drawing(GM* gm,
const ConfigData& gRec,
const SkBitmap& referenceBitmap,
GrSurface* gpuTarget) {
SkDynamicMemoryWStream document;
if (gRec.fBackend == kRaster_Backend ||
gRec.fBackend == kGPU_Backend) {
const char renderModeDescriptor[] = "-deferred";
SkBitmap bitmap;
// Early exit if we can't generate the image, but this is
// expected in some cases, so don't report a test failure.
ErrorCombination errors = generate_image(gm, gRec, gpuTarget, &bitmap, true);
// TODO(epoger): This logic is the opposite of what is
// described above... if we succeeded in generating the
// -deferred image, we exit early! We should fix this
// ASAP, because it is hiding -deferred errors... but for
// now, I'm leaving the logic as it is so that the
// refactoring change
// https://codereview.chromium.org/12992003/ is unblocked.
//
// Filed as https://code.google.com/p/skia/issues/detail?id=1180
// ('image-surface gm test is failing in "deferred" mode,
// and gm is not reporting the failure')
if (errors.isEmpty()) {
// TODO(epoger): Report this as a new ErrorType,
// something like kImageGeneration_ErrorType?
return kEmpty_ErrorCombination;
}
const SkString name = make_name(gm->shortName(), gRec.fName);
return compare_test_results_to_reference_bitmap(
name, renderModeDescriptor, bitmap, &referenceBitmap);
}
return kEmpty_ErrorCombination;
}
ErrorCombination test_pipe_playback(GM* gm, const ConfigData& gRec,
const SkBitmap& referenceBitmap, bool simulateFailure) {
const SkString name = make_name(gm->shortName(), gRec.fName);
ErrorCombination errors;
for (size_t i = 0; i < SK_ARRAY_COUNT(gPipeWritingFlagCombos); ++i) {
SkString renderModeDescriptor("-pipe");
renderModeDescriptor.append(gPipeWritingFlagCombos[i].name);
if (gm->getFlags() & GM::kSkipPipe_Flag) {
RecordTestResults(kIntentionallySkipped_ErrorType, name,
renderModeDescriptor.c_str());
errors.add(kIntentionallySkipped_ErrorType);
} else {
SkBitmap bitmap;
SkISize size = gm->getISize();
setup_bitmap(gRec, size, &bitmap);
SkCanvas canvas(bitmap);
installFilter(&canvas);
// Pass a decoding function so the factory GM (which has an SkBitmap
// with encoded data) will not fail playback.
PipeController pipeController(&canvas, &SkImageDecoder::DecodeMemory);
SkGPipeWriter writer;
SkCanvas* pipeCanvas = writer.startRecording(&pipeController,
gPipeWritingFlagCombos[i].flags,
size.width(), size.height());
if (!simulateFailure) {
invokeGM(gm, pipeCanvas, false, false);
}
complete_bitmap(&bitmap);
writer.endRecording();
errors.add(compare_test_results_to_reference_bitmap(
name, renderModeDescriptor.c_str(), bitmap, &referenceBitmap));
if (!errors.isEmpty()) {
break;
}
}
}
return errors;
}
ErrorCombination test_tiled_pipe_playback(GM* gm, const ConfigData& gRec,
const SkBitmap& referenceBitmap) {
const SkString name = make_name(gm->shortName(), gRec.fName);
ErrorCombination errors;
for (size_t i = 0; i < SK_ARRAY_COUNT(gPipeWritingFlagCombos); ++i) {
SkString renderModeDescriptor("-tiled pipe");
renderModeDescriptor.append(gPipeWritingFlagCombos[i].name);
if ((gm->getFlags() & GM::kSkipPipe_Flag) ||
(gm->getFlags() & GM::kSkipTiled_Flag)) {
RecordTestResults(kIntentionallySkipped_ErrorType, name,
renderModeDescriptor.c_str());
errors.add(kIntentionallySkipped_ErrorType);
} else {
SkBitmap bitmap;
SkISize size = gm->getISize();
setup_bitmap(gRec, size, &bitmap);
SkCanvas canvas(bitmap);
installFilter(&canvas);
TiledPipeController pipeController(bitmap, &SkImageDecoder::DecodeMemory);
SkGPipeWriter writer;
SkCanvas* pipeCanvas = writer.startRecording(&pipeController,
gPipeWritingFlagCombos[i].flags,
size.width(), size.height());
invokeGM(gm, pipeCanvas, false, false);
complete_bitmap(&bitmap);
writer.endRecording();
errors.add(compare_test_results_to_reference_bitmap(name,
renderModeDescriptor.c_str(),
bitmap, &referenceBitmap));
if (!errors.isEmpty()) {
break;
}
}
}
return errors;
}
//
// member variables.
// They are public for now, to allow easier setting by tool_main().
//
bool fUseFileHierarchy;
ErrorCombination fIgnorableErrorTypes;
const char* fMismatchPath;
// collection of tests that have failed with each ErrorType
SkTArray<SkString> fFailedTests[kLast_ErrorType+1];
int fTestsRun;
SkTDict<int> fRenderModesEncountered;
// Where to read expectations (expected image hash digests, etc.) from.
// If unset, we don't do comparisons.
SkAutoTUnref<ExpectationsSource> fExpectationsSource;
// JSON summaries that we generate as we go (just for output).
Json::Value fJsonExpectedResults;
Json::Value fJsonActualResults_Failed;
Json::Value fJsonActualResults_FailureIgnored;
Json::Value fJsonActualResults_NoComparison;
Json::Value fJsonActualResults_Succeeded;
}; // end of GMMain class definition
#if SK_SUPPORT_GPU
static const GLContextType kDontCare_GLContextType = GrContextFactory::kNative_GLContextType;
#else
static const GLContextType kDontCare_GLContextType = 0;
#endif
// If the platform does not support writing PNGs of PDFs then there will be no
// reference images to read. However, we can always write the .pdf files
static const ConfigFlags kPDFConfigFlags = CAN_IMAGE_PDF ? kRW_ConfigFlag :
kWrite_ConfigFlag;
static const ConfigData gRec[] = {
{ SkBitmap::kARGB_8888_Config, kRaster_Backend, kDontCare_GLContextType, 0, kRW_ConfigFlag, "8888", true },
#if 0 // stop testing this (for now at least) since we want to remove support for it (soon please!!!)
{ SkBitmap::kARGB_4444_Config, kRaster_Backend, kDontCare_GLContextType, 0, kRW_ConfigFlag, "4444", true },
#endif
{ SkBitmap::kRGB_565_Config, kRaster_Backend, kDontCare_GLContextType, 0, kRW_ConfigFlag, "565", true },
#if SK_SUPPORT_GPU
{ SkBitmap::kARGB_8888_Config, kGPU_Backend, GrContextFactory::kNative_GLContextType, 0, kRW_ConfigFlag, "gpu", true },
{ SkBitmap::kARGB_8888_Config, kGPU_Backend, GrContextFactory::kNative_GLContextType, 16, kRW_ConfigFlag, "msaa16", true },
{ SkBitmap::kARGB_8888_Config, kGPU_Backend, GrContextFactory::kNative_GLContextType, 4, kRW_ConfigFlag, "msaa4", false},
/* The debug context does not generate images */
{ SkBitmap::kARGB_8888_Config, kGPU_Backend, GrContextFactory::kDebug_GLContextType, 0, kNone_ConfigFlag, "gpudebug", GR_DEBUG},
#if SK_ANGLE
{ SkBitmap::kARGB_8888_Config, kGPU_Backend, GrContextFactory::kANGLE_GLContextType, 0, kRW_ConfigFlag, "angle", true },
{ SkBitmap::kARGB_8888_Config, kGPU_Backend, GrContextFactory::kANGLE_GLContextType, 16, kRW_ConfigFlag, "anglemsaa16", true },
#endif // SK_ANGLE
#ifdef SK_MESA
{ SkBitmap::kARGB_8888_Config, kGPU_Backend, GrContextFactory::kMESA_GLContextType, 0, kRW_ConfigFlag, "mesa", true },
#endif // SK_MESA
#endif // SK_SUPPORT_GPU
#ifdef SK_SUPPORT_XPS
/* At present we have no way of comparing XPS files (either natively or by converting to PNG). */
{ SkBitmap::kARGB_8888_Config, kXPS_Backend, kDontCare_GLContextType, 0, kWrite_ConfigFlag, "xps", true },
#endif // SK_SUPPORT_XPS
#ifdef SK_SUPPORT_PDF
{ SkBitmap::kARGB_8888_Config, kPDF_Backend, kDontCare_GLContextType, 0, kPDFConfigFlags, "pdf", true },
#endif // SK_SUPPORT_PDF
};
static const char kDefaultsConfigStr[] = "defaults";
static const char kExcludeConfigChar = '~';
static SkString configUsage() {
SkString result;
result.appendf("Space delimited list of which configs to run. Possible options: [");
for (size_t i = 0; i < SK_ARRAY_COUNT(gRec); ++i) {
SkASSERT(gRec[i].fName != kDefaultsConfigStr);
if (i > 0) {
result.append("|");
}
result.appendf("%s", gRec[i].fName);
}
result.append("]\n");
result.appendf("The default value is: \"");
SkString firstDefault;
SkString allButFirstDefaults;
SkString nonDefault;
for (size_t i = 0; i < SK_ARRAY_COUNT(gRec); ++i) {
if (gRec[i].fRunByDefault) {
if (i > 0) {
result.append(" ");
}
result.append(gRec[i].fName);
if (firstDefault.isEmpty()) {
firstDefault = gRec[i].fName;
} else {
if (!allButFirstDefaults.isEmpty()) {
allButFirstDefaults.append(" ");
}
allButFirstDefaults.append(gRec[i].fName);
}
} else {
nonDefault = gRec[i].fName;
}
}
result.append("\"\n");
result.appendf("\"%s\" evaluates to the default set of configs.\n", kDefaultsConfigStr);
result.appendf("Prepending \"%c\" on a config name excludes it from the set of configs to run.\n"
"Exclusions always override inclusions regardless of order.\n",
kExcludeConfigChar);
result.appendf("E.g. \"--config %s %c%s %s\" will run these configs:\n\t%s %s",
kDefaultsConfigStr,
kExcludeConfigChar,
firstDefault.c_str(),
nonDefault.c_str(),
allButFirstDefaults.c_str(),
nonDefault.c_str());
return result;
}
// Macro magic to convert a numeric preprocessor token into a string.
// Adapted from http://stackoverflow.com/questions/240353/convert-a-preprocessor-token-to-a-string
// This should probably be moved into one of our common headers...
#define TOSTRING_INTERNAL(x) #x
#define TOSTRING(x) TOSTRING_INTERNAL(x)
// Alphabetized ignoring "no" prefix ("readPath", "noreplay", "resourcePath").
DEFINE_string(config, "", configUsage().c_str());
DEFINE_bool(deferred, true, "Exercise the deferred rendering test pass.");
DEFINE_string(excludeConfig, "", "Space delimited list of configs to skip.");
DEFINE_bool(forceBWtext, false, "Disable text anti-aliasing.");
#if SK_SUPPORT_GPU
DEFINE_string(gpuCacheSize, "", "<bytes> <count>: Limit the gpu cache to byte size or "
"object count. " TOSTRING(DEFAULT_CACHE_VALUE) " for either value means "
"use the default. 0 for either disables the cache.");
#endif
DEFINE_bool(hierarchy, false, "Whether to use multilevel directory structure "
"when reading/writing files.");
DEFINE_string(ignoreErrorTypes, kDefaultIgnorableErrorTypes.asString(" ").c_str(),
"Space-separated list of ErrorTypes that should be ignored. If any *other* error "
"types are encountered, the tool will exit with a nonzero return value.");
DEFINE_string(match, "", "Only run tests whose name includes this substring/these substrings "
"(more than one can be supplied, separated by spaces).");
DEFINE_string(mismatchPath, "", "Write images for tests that failed due to "
"pixel mismatches into this directory.");
DEFINE_string(modulo, "", "[--modulo <remainder> <divisor>]: only run tests for which "
"testIndex %% divisor == remainder.");
DEFINE_bool(pdf, true, "Exercise the pdf rendering test pass.");
DEFINE_bool(pipe, true, "Exercise the SkGPipe replay test pass.");
DEFINE_string2(readPath, r, "", "Read reference images from this dir, and report "
"any differences between those and the newly generated ones.");
DEFINE_bool(replay, true, "Exercise the SkPicture replay test pass.");
DEFINE_string2(resourcePath, i, "", "Directory that stores image resources.");
DEFINE_bool(rtree, true, "Exercise the R-Tree variant of SkPicture test pass.");
DEFINE_bool(serialize, true, "Exercise the SkPicture serialization & deserialization test pass.");
DEFINE_bool(simulatePipePlaybackFailure, false, "Simulate a rendering failure in pipe mode only.");
DEFINE_bool(tiledPipe, false, "Exercise tiled SkGPipe replay.");
DEFINE_bool(tileGrid, true, "Exercise the tile grid variant of SkPicture.");
DEFINE_string(tileGridReplayScales, "", "Space separated list of floating-point scale "
"factors to be used for tileGrid playback testing. Default value: 1.0");
DEFINE_string(writeJsonSummaryPath, "", "Write a JSON-formatted result summary to this file.");
DEFINE_bool2(verbose, v, false, "Give more detail (e.g. list all GMs run, more info about "
"each test).");
DEFINE_string2(writePath, w, "", "Write rendered images into this directory.");
DEFINE_string2(writePicturePath, p, "", "Write .skp files into this directory.");
DEFINE_int32(pdfJpegQuality, -1, "Encodes images in JPEG at quality level N, "
"which can be in range 0-100). N = -1 will disable JPEG compression. "
"Default is N = 100, maximum quality.");
static bool encode_to_dct_stream(SkWStream* stream, const SkBitmap& bitmap, const SkIRect& rect) {
// Filter output of warnings that JPEG is not available for the image.
if (bitmap.width() >= 65500 || bitmap.height() >= 65500) return false;
if (FLAGS_pdfJpegQuality == -1) return false;
SkIRect bitmapBounds;
SkBitmap subset;
const SkBitmap* bitmapToUse = &bitmap;
bitmap.getBounds(&bitmapBounds);
if (rect != bitmapBounds) {
SkAssertResult(bitmap.extractSubset(&subset, rect));
bitmapToUse = &subset;
}
#if defined(SK_BUILD_FOR_MAC)
// Workaround bug #1043 where bitmaps with referenced pixels cause
// CGImageDestinationFinalize to crash
SkBitmap copy;
bitmapToUse->deepCopyTo(&copy, bitmapToUse->config());
bitmapToUse = &copy;
#endif
return SkImageEncoder::EncodeStream(stream,
*bitmapToUse,
SkImageEncoder::kJPEG_Type,
FLAGS_pdfJpegQuality);
}
static int findConfig(const char config[]) {
for (size_t i = 0; i < SK_ARRAY_COUNT(gRec); i++) {
if (!strcmp(config, gRec[i].fName)) {
return (int) i;
}
}
return -1;
}
static bool skip_name(SkCommandLineFlags::StringArray array, const char name[]) {
if (0 == array.count()) {
// no names, so don't skip anything
return false;
}
for (int i = 0; i < array.count(); ++i) {
if (strstr(name, array[i])) {
// found the name, so don't skip
return false;
}
}
return true;
}
namespace skiagm {
#if SK_SUPPORT_GPU
SkAutoTUnref<GrContext> gGrContext;
/**
* Sets the global GrContext, accessible by individual GMs
*/
static void SetGr(GrContext* grContext) {
SkSafeRef(grContext);
gGrContext.reset(grContext);
}
/**
* Gets the global GrContext, can be called by GM tests.
*/
GrContext* GetGr();
GrContext* GetGr() {
return gGrContext.get();
}
/**
* Sets the global GrContext and then resets it to its previous value at
* destruction.
*/
class AutoResetGr : SkNoncopyable {
public:
AutoResetGr() : fOld(NULL) {}
void set(GrContext* context) {
SkASSERT(NULL == fOld);
fOld = GetGr();
SkSafeRef(fOld);
SetGr(context);
}
~AutoResetGr() { SetGr(fOld); SkSafeUnref(fOld); }
private:
GrContext* fOld;
};
#else
GrContext* GetGr();
GrContext* GetGr() { return NULL; }
#endif
}
template <typename T> void appendUnique(SkTDArray<T>* array, const T& value) {
int index = array->find(value);
if (index < 0) {
*array->append() = value;
}
}
/**
* Run this test in a number of different configs (8888, 565, PDF,
* etc.), confirming that the resulting bitmaps match expectations
* (which may be different for each config).
*
* Returns all errors encountered while doing so.
*/
ErrorCombination run_multiple_configs(GMMain &gmmain, GM *gm, const SkTDArray<size_t> &configs,
GrContextFactory *grFactory);
ErrorCombination run_multiple_configs(GMMain &gmmain, GM *gm, const SkTDArray<size_t> &configs,
GrContextFactory *grFactory) {
const char renderModeDescriptor[] = "";
ErrorCombination errorsForAllConfigs;
uint32_t gmFlags = gm->getFlags();
for (int i = 0; i < configs.count(); i++) {
ConfigData config = gRec[configs[i]];
const SkString name = gmmain.make_name(gm->shortName(), config.fName);
// Skip any tests that we don't even need to try.
// If any of these were skipped on a per-GM basis, record them as
// kIntentionallySkipped.
if (kPDF_Backend == config.fBackend) {
if (!FLAGS_pdf) {
continue;
}
if (gmFlags & GM::kSkipPDF_Flag) {
gmmain.RecordTestResults(kIntentionallySkipped_ErrorType, name,
renderModeDescriptor);
errorsForAllConfigs.add(kIntentionallySkipped_ErrorType);
continue;
}
}
if ((gmFlags & GM::kSkip565_Flag) &&
(kRaster_Backend == config.fBackend) &&
(SkBitmap::kRGB_565_Config == config.fConfig)) {
gmmain.RecordTestResults(kIntentionallySkipped_ErrorType, name,
renderModeDescriptor);
errorsForAllConfigs.add(kIntentionallySkipped_ErrorType);
continue;
}
if ((gmFlags & GM::kSkipGPU_Flag) &&
kGPU_Backend == config.fBackend) {
gmmain.RecordTestResults(kIntentionallySkipped_ErrorType, name,
renderModeDescriptor);
errorsForAllConfigs.add(kIntentionallySkipped_ErrorType);
continue;
}
// Now we know that we want to run this test and record its
// success or failure.
ErrorCombination errorsForThisConfig;
GrSurface* gpuTarget = NULL;
#if SK_SUPPORT_GPU
SkAutoTUnref<GrSurface> auGpuTarget;
AutoResetGr autogr;
if ((errorsForThisConfig.isEmpty()) && (kGPU_Backend == config.fBackend)) {
GrContext* gr = grFactory->get(config.fGLContextType);
bool grSuccess = false;
if (gr) {
// create a render target to back the device
GrTextureDesc desc;
desc.fConfig = kSkia8888_GrPixelConfig;
desc.fFlags = kRenderTarget_GrTextureFlagBit;
desc.fWidth = gm->getISize().width();
desc.fHeight = gm->getISize().height();
desc.fSampleCnt = config.fSampleCnt;
auGpuTarget.reset(gr->createUncachedTexture(desc, NULL, 0));
if (NULL != auGpuTarget) {
gpuTarget = auGpuTarget;
grSuccess = true;
autogr.set(gr);
// Set the user specified cache limits if non-default.
size_t bytes;
int count;
gr->getTextureCacheLimits(&count, &bytes);
if (DEFAULT_CACHE_VALUE != gGpuCacheSizeBytes) {
bytes = static_cast<size_t>(gGpuCacheSizeBytes);
}
if (DEFAULT_CACHE_VALUE != gGpuCacheSizeCount) {
count = gGpuCacheSizeCount;
}
gr->setTextureCacheLimits(count, bytes);
}
}
if (!grSuccess) {
errorsForThisConfig.add(kNoGpuContext_ErrorType);
}
}
#endif
SkBitmap comparisonBitmap;
const char* writePath;
if (FLAGS_writePath.count() == 1) {
writePath = FLAGS_writePath[0];
} else {
writePath = NULL;
}
if (errorsForThisConfig.isEmpty()) {
errorsForThisConfig.add(gmmain.test_drawing(gm,config, writePath, gpuTarget,
&comparisonBitmap));
}
if (FLAGS_deferred && errorsForThisConfig.isEmpty() &&
(kGPU_Backend == config.fBackend || kRaster_Backend == config.fBackend)) {
errorsForThisConfig.add(gmmain.test_deferred_drawing(gm, config, comparisonBitmap,
gpuTarget));
}
errorsForAllConfigs.add(errorsForThisConfig);
}
return errorsForAllConfigs;
}
/**
* Run this test in a number of different drawing modes (pipe,
* deferred, tiled, etc.), confirming that the resulting bitmaps all
* *exactly* match comparisonBitmap.
*
* Returns all errors encountered while doing so.
*/
ErrorCombination run_multiple_modes(GMMain &gmmain, GM *gm, const ConfigData &compareConfig,
const SkBitmap &comparisonBitmap,
const SkTDArray<SkScalar> &tileGridReplayScales);
ErrorCombination run_multiple_modes(GMMain &gmmain, GM *gm, const ConfigData &compareConfig,
const SkBitmap &comparisonBitmap,
const SkTDArray<SkScalar> &tileGridReplayScales) {
ErrorCombination errorsForAllModes;
uint32_t gmFlags = gm->getFlags();
const SkString name = gmmain.make_name(gm->shortName(), compareConfig.fName);
SkPicture* pict = gmmain.generate_new_picture(gm, kNone_BbhType, 0);
SkAutoUnref aur(pict);
if (FLAGS_replay) {
const char renderModeDescriptor[] = "-replay";
if (gmFlags & GM::kSkipPicture_Flag) {
gmmain.RecordTestResults(kIntentionallySkipped_ErrorType, name, renderModeDescriptor);
errorsForAllModes.add(kIntentionallySkipped_ErrorType);
} else {
SkBitmap bitmap;
gmmain.generate_image_from_picture(gm, compareConfig, pict, &bitmap);
errorsForAllModes.add(gmmain.compare_test_results_to_reference_bitmap(
name, renderModeDescriptor, bitmap, &comparisonBitmap));
}
}
if (FLAGS_serialize) {
const char renderModeDescriptor[] = "-serialize";
if (gmFlags & GM::kSkipPicture_Flag) {
gmmain.RecordTestResults(kIntentionallySkipped_ErrorType, name, renderModeDescriptor);
errorsForAllModes.add(kIntentionallySkipped_ErrorType);
} else {
SkPicture* repict = gmmain.stream_to_new_picture(*pict);
SkAutoUnref aurr(repict);
SkBitmap bitmap;
gmmain.generate_image_from_picture(gm, compareConfig, repict, &bitmap);
errorsForAllModes.add(gmmain.compare_test_results_to_reference_bitmap(
name, renderModeDescriptor, bitmap, &comparisonBitmap));
}
}
if ((1 == FLAGS_writePicturePath.count()) &&
!(gmFlags & GM::kSkipPicture_Flag)) {
const char* pictureSuffix = "skp";
SkString path = make_filename(FLAGS_writePicturePath[0], "",
gm->shortName(), pictureSuffix);
SkFILEWStream stream(path.c_str());
pict->serialize(&stream);
}
if (FLAGS_rtree) {
const char renderModeDescriptor[] = "-rtree";
if (gmFlags & GM::kSkipPicture_Flag) {
gmmain.RecordTestResults(kIntentionallySkipped_ErrorType, name, renderModeDescriptor);
errorsForAllModes.add(kIntentionallySkipped_ErrorType);
} else {
SkPicture* pict = gmmain.generate_new_picture(
gm, kRTree_BbhType, SkPicture::kUsePathBoundsForClip_RecordingFlag);
SkAutoUnref aur(pict);
SkBitmap bitmap;
gmmain.generate_image_from_picture(gm, compareConfig, pict, &bitmap);
errorsForAllModes.add(gmmain.compare_test_results_to_reference_bitmap(
name, renderModeDescriptor, bitmap, &comparisonBitmap));
}
}
if (FLAGS_tileGrid) {
for(int scaleIndex = 0; scaleIndex < tileGridReplayScales.count(); ++scaleIndex) {
SkScalar replayScale = tileGridReplayScales[scaleIndex];
SkString renderModeDescriptor("-tilegrid");
if (SK_Scalar1 != replayScale) {
renderModeDescriptor += "-scale-";
renderModeDescriptor.appendScalar(replayScale);
}
if ((gmFlags & GM::kSkipPicture_Flag) ||
((gmFlags & GM::kSkipScaledReplay_Flag) && replayScale != 1)) {
gmmain.RecordTestResults(kIntentionallySkipped_ErrorType, name,
renderModeDescriptor.c_str());
errorsForAllModes.add(kIntentionallySkipped_ErrorType);
} else {
// We record with the reciprocal scale to obtain a replay
// result that can be validated against comparisonBitmap.
SkScalar recordScale = SkScalarInvert(replayScale);
SkPicture* pict = gmmain.generate_new_picture(
gm, kTileGrid_BbhType, SkPicture::kUsePathBoundsForClip_RecordingFlag,
recordScale);
SkAutoUnref aur(pict);
SkBitmap bitmap;
// We cannot yet pass 'true' to generate_image_from_picture to
// perform actual tiled rendering (see Issue 1198 -
// https://code.google.com/p/skia/issues/detail?id=1198)
gmmain.generate_image_from_picture(gm, compareConfig, pict, &bitmap,
replayScale /*, true */);
errorsForAllModes.add(gmmain.compare_test_results_to_reference_bitmap(
name, renderModeDescriptor.c_str(), bitmap, &comparisonBitmap));
}
}
}
// run the pipe centric GM steps
if (FLAGS_pipe) {
errorsForAllModes.add(gmmain.test_pipe_playback(gm, compareConfig, comparisonBitmap,
FLAGS_simulatePipePlaybackFailure));
if (FLAGS_tiledPipe) {
errorsForAllModes.add(gmmain.test_tiled_pipe_playback(gm, compareConfig,
comparisonBitmap));
}
}
return errorsForAllModes;
}
/**
* Return a list of all entries in an array of strings as a single string
* of this form:
* "item1", "item2", "item3"
*/
SkString list_all(const SkTArray<SkString> &stringArray);
SkString list_all(const SkTArray<SkString> &stringArray) {
SkString total;
for (int i = 0; i < stringArray.count(); i++) {
if (i > 0) {
total.append(", ");
}
total.append("\"");
total.append(stringArray[i]);
total.append("\"");
}
return total;
}
/**
* Return a list of configuration names, as a single string of this form:
* "item1", "item2", "item3"
*
* @param configs configurations, as a list of indices into gRec
*/
SkString list_all_config_names(const SkTDArray<size_t> &configs);
SkString list_all_config_names(const SkTDArray<size_t> &configs) {
SkString total;
for (int i = 0; i < configs.count(); i++) {
if (i > 0) {
total.append(", ");
}
total.append("\"");
total.append(gRec[configs[i]].fName);
total.append("\"");
}
return total;
}
bool prepare_subdirectories(const char *root, bool useFileHierarchy,
const SkTDArray<size_t> &configs);
bool prepare_subdirectories(const char *root, bool useFileHierarchy,
const SkTDArray<size_t> &configs) {
if (!sk_mkdir(root)) {
return false;
}
if (useFileHierarchy) {
for (int i = 0; i < configs.count(); i++) {
ConfigData config = gRec[configs[i]];
SkString subdir;
subdir.appendf("%s%c%s", root, SkPATH_SEPARATOR, config.fName);
if (!sk_mkdir(subdir.c_str())) {
return false;
}
}
}
return true;
}
int tool_main(int argc, char** argv);
int tool_main(int argc, char** argv) {
#if SK_ENABLE_INST_COUNT
gPrintInstCount = true;
#endif
SkGraphics::Init();
// we don't need to see this during a run
gSkSuppressFontCachePurgeSpew = true;
setSystemPreferences();
GMMain gmmain;
SkTDArray<size_t> configs;
SkTDArray<size_t> excludeConfigs;
bool userConfig = false;
SkString usage;
usage.printf("Run the golden master tests.\n");
SkCommandLineFlags::SetUsage(usage.c_str());
SkCommandLineFlags::Parse(argc, argv);
gmmain.fUseFileHierarchy = FLAGS_hierarchy;
if (FLAGS_mismatchPath.count() == 1) {
gmmain.fMismatchPath = FLAGS_mismatchPath[0];
}
for (int i = 0; i < FLAGS_config.count(); i++) {
const char* config = FLAGS_config[i];
userConfig = true;
bool exclude = false;
if (*config == kExcludeConfigChar) {
exclude = true;
config += 1;
}
int index = findConfig(config);
if (index >= 0) {
if (exclude) {
*excludeConfigs.append() = index;
} else {
appendUnique<size_t>(&configs, index);
}
} else if (0 == strcmp(kDefaultsConfigStr, config)) {
for (size_t c = 0; c < SK_ARRAY_COUNT(gRec); ++c) {
if (gRec[c].fRunByDefault) {
if (exclude) {
gm_fprintf(stderr, "%c%s is not allowed.\n",
kExcludeConfigChar, kDefaultsConfigStr);
return -1;
} else {
appendUnique<size_t>(&configs, c);
}
}
}
} else {
gm_fprintf(stderr, "unrecognized config %s\n", config);
return -1;
}
}
for (int i = 0; i < FLAGS_excludeConfig.count(); i++) {
int index = findConfig(FLAGS_excludeConfig[i]);
if (index >= 0) {
*excludeConfigs.append() = index;
} else {
gm_fprintf(stderr, "unrecognized excludeConfig %s\n", FLAGS_excludeConfig[i]);
return -1;
}
}
int moduloRemainder = -1;
int moduloDivisor = -1;
if (FLAGS_modulo.count() == 2) {
moduloRemainder = atoi(FLAGS_modulo[0]);
moduloDivisor = atoi(FLAGS_modulo[1]);
if (moduloRemainder < 0 || moduloDivisor <= 0 || moduloRemainder >= moduloDivisor) {
gm_fprintf(stderr, "invalid modulo values.");
return -1;
}
}
if (FLAGS_ignoreErrorTypes.count() > 0) {
gmmain.fIgnorableErrorTypes = ErrorCombination();
for (int i = 0; i < FLAGS_ignoreErrorTypes.count(); i++) {
ErrorType type;
const char *name = FLAGS_ignoreErrorTypes[i];
if (!getErrorTypeByName(name, &type)) {
gm_fprintf(stderr, "cannot find ErrorType with name '%s'\n", name);
return -1;
} else {
gmmain.fIgnorableErrorTypes.add(type);
}
}
}
#if SK_SUPPORT_GPU
if (FLAGS_gpuCacheSize.count() > 0) {
if (FLAGS_gpuCacheSize.count() != 2) {
gm_fprintf(stderr, "--gpuCacheSize requires two arguments\n");
return -1;
}
gGpuCacheSizeBytes = atoi(FLAGS_gpuCacheSize[0]);
gGpuCacheSizeCount = atoi(FLAGS_gpuCacheSize[1]);
} else {
gGpuCacheSizeBytes = DEFAULT_CACHE_VALUE;
gGpuCacheSizeCount = DEFAULT_CACHE_VALUE;
}
#endif
SkTDArray<SkScalar> tileGridReplayScales;
*tileGridReplayScales.append() = SK_Scalar1; // By default only test at scale 1.0
if (FLAGS_tileGridReplayScales.count() > 0) {
tileGridReplayScales.reset();
for (int i = 0; i < FLAGS_tileGridReplayScales.count(); i++) {
double val = atof(FLAGS_tileGridReplayScales[i]);
if (0 < val) {
*tileGridReplayScales.append() = SkDoubleToScalar(val);
}
}
if (0 == tileGridReplayScales.count()) {
// Should have at least one scale
gm_fprintf(stderr, "--tileGridReplayScales requires at least one scale.\n");
return -1;
}
}
if (!userConfig) {
// if no config is specified by user, add the defaults
for (size_t i = 0; i < SK_ARRAY_COUNT(gRec); ++i) {
if (gRec[i].fRunByDefault) {
*configs.append() = i;
}
}
}
// now remove any explicitly excluded configs
for (int i = 0; i < excludeConfigs.count(); ++i) {
int index = configs.find(excludeConfigs[i]);
if (index >= 0) {
configs.remove(index);
// now assert that there was only one copy in configs[]
SkASSERT(configs.find(excludeConfigs[i]) < 0);
}
}
#if SK_SUPPORT_GPU
GrContextFactory* grFactory = new GrContextFactory;
for (int i = 0; i < configs.count(); ++i) {
size_t index = configs[i];
if (kGPU_Backend == gRec[index].fBackend) {
GrContext* ctx = grFactory->get(gRec[index].fGLContextType);
if (NULL == ctx) {
gm_fprintf(stderr, "GrContext could not be created for config %s."
" Config will be skipped.\n", gRec[index].fName);
configs.remove(i);
--i;
}
if (gRec[index].fSampleCnt > ctx->getMaxSampleCount()) {
gm_fprintf(stderr, "Sample count (%d) of config %s is not supported."
" Config will be skipped.\n", gRec[index].fSampleCnt, gRec[index].fName);
configs.remove(i);
--i;
}
}
}
#else
GrContextFactory* grFactory = NULL;
#endif
if (configs.isEmpty()) {
gm_fprintf(stderr, "No configs to run.");
return -1;
}
// now show the user the set of configs that will be run.
SkString configStr("These configs will be run: ");
// show the user the config that will run.
for (int i = 0; i < configs.count(); ++i) {
configStr.appendf("%s%s", gRec[configs[i]].fName, (i == configs.count() - 1) ? "\n" : " ");
}
gm_fprintf(stdout, "%s", configStr.c_str());
if (FLAGS_resourcePath.count() == 1) {
GM::SetResourcePath(FLAGS_resourcePath[0]);
}
if (FLAGS_readPath.count() == 1) {
const char* readPath = FLAGS_readPath[0];
if (!sk_exists(readPath)) {
gm_fprintf(stderr, "readPath %s does not exist!\n", readPath);
return -1;
}
if (sk_isdir(readPath)) {
if (FLAGS_verbose) {
gm_fprintf(stdout, "reading from %s\n", readPath);
}
gmmain.fExpectationsSource.reset(SkNEW_ARGS(
IndividualImageExpectationsSource, (readPath)));
} else {
if (FLAGS_verbose) {
gm_fprintf(stdout, "reading expectations from JSON summary file %s\n", readPath);
}
gmmain.fExpectationsSource.reset(SkNEW_ARGS(
JsonExpectationsSource, (readPath)));
}
}
if (FLAGS_verbose) {
if (FLAGS_writePath.count() == 1) {
gm_fprintf(stdout, "writing to %s\n", FLAGS_writePath[0]);
}
if (NULL != gmmain.fMismatchPath) {
gm_fprintf(stdout, "writing mismatches to %s\n", gmmain.fMismatchPath);
}
if (FLAGS_writePicturePath.count() == 1) {
gm_fprintf(stdout, "writing pictures to %s\n", FLAGS_writePicturePath[0]);
}
if (FLAGS_resourcePath.count() == 1) {
gm_fprintf(stdout, "reading resources from %s\n", FLAGS_resourcePath[0]);
}
}
if (moduloDivisor <= 0) {
moduloRemainder = -1;
}
if (moduloRemainder < 0 || moduloRemainder >= moduloDivisor) {
moduloRemainder = -1;
}
int gmsRun = 0;
int gmIndex = -1;
SkString moduloStr;
// If we will be writing out files, prepare subdirectories.
if (FLAGS_writePath.count() == 1) {
if (!prepare_subdirectories(FLAGS_writePath[0], gmmain.fUseFileHierarchy, configs)) {
return -1;
}
}
if (NULL != gmmain.fMismatchPath) {
if (!prepare_subdirectories(gmmain.fMismatchPath, gmmain.fUseFileHierarchy, configs)) {
return -1;
}
}
if (FLAGS_pdfJpegQuality < -1 || FLAGS_pdfJpegQuality > 100) {
gm_fprintf(stderr, "%s\n", "pdfJpegQuality must be in [-1 .. 100] range.");
}
Iter iter;
GM* gm;
while ((gm = iter.next()) != NULL) {
SkAutoTDelete<GM> adgm(gm);
++gmIndex;
if (moduloRemainder >= 0) {
if ((gmIndex % moduloDivisor) != moduloRemainder) {
continue;
}
moduloStr.printf("[%d.%d] ", gmIndex, moduloDivisor);
}
const char* shortName = gm->shortName();
if (skip_name(FLAGS_match, shortName)) {
continue;
}
gmsRun++;
SkISize size = gm->getISize();
gm_fprintf(stdout, "%sdrawing... %s [%d %d]\n", moduloStr.c_str(), shortName,
size.width(), size.height());
run_multiple_configs(gmmain, gm, configs, grFactory);
SkBitmap comparisonBitmap;
const ConfigData compareConfig =
{ SkBitmap::kARGB_8888_Config, kRaster_Backend, kDontCare_GLContextType, 0, kRW_ConfigFlag, "comparison", false };
gmmain.generate_image(gm, compareConfig, NULL, &comparisonBitmap, false);
// TODO(epoger): only run this if gmmain.generate_image() succeeded?
// Otherwise, what are we comparing against?
run_multiple_modes(gmmain, gm, compareConfig, comparisonBitmap, tileGridReplayScales);
}
SkTArray<SkString> modes;
gmmain.GetRenderModesEncountered(modes);
bool reportError = false;
if (gmmain.NumSignificantErrors() > 0) {
reportError = true;
}
int expectedNumberOfTests = gmsRun * (configs.count() + modes.count());
// Output summary to stdout.
if (FLAGS_verbose) {
gm_fprintf(stdout, "Ran %d GMs\n", gmsRun);
gm_fprintf(stdout, "... over %2d configs [%s]\n", configs.count(),
list_all_config_names(configs).c_str());
gm_fprintf(stdout, "... and %2d modes [%s]\n", modes.count(), list_all(modes).c_str());
gm_fprintf(stdout, "... so there should be a total of %d tests.\n", expectedNumberOfTests);
}
gmmain.ListErrors(FLAGS_verbose);
// TODO(epoger): Enable this check for Android, too, once we resolve
// https://code.google.com/p/skia/issues/detail?id=1222
// ('GM is unexpectedly skipping tests on Android')
#ifndef SK_BUILD_FOR_ANDROID
if (expectedNumberOfTests != gmmain.fTestsRun) {
gm_fprintf(stderr, "expected %d tests, but ran or skipped %d tests\n",
expectedNumberOfTests, gmmain.fTestsRun);
reportError = true;
}
#endif
if (FLAGS_writeJsonSummaryPath.count() == 1) {
Json::Value root = CreateJsonTree(
gmmain.fJsonExpectedResults,
gmmain.fJsonActualResults_Failed, gmmain.fJsonActualResults_FailureIgnored,
gmmain.fJsonActualResults_NoComparison, gmmain.fJsonActualResults_Succeeded);
std::string jsonStdString = root.toStyledString();
SkFILEWStream stream(FLAGS_writeJsonSummaryPath[0]);
stream.write(jsonStdString.c_str(), jsonStdString.length());
}
#if SK_SUPPORT_GPU
#if GR_CACHE_STATS
for (int i = 0; i < configs.count(); i++) {
ConfigData config = gRec[configs[i]];
if (FLAGS_verbose && (kGPU_Backend == config.fBackend)) {
GrContext* gr = grFactory->get(config.fGLContextType);
gm_fprintf(stdout, "config: %s %x\n", config.fName, gr);
gr->printCacheStats();
}
}
#endif
delete grFactory;
#endif
SkGraphics::Term();
return (reportError) ? -1 : 0;
}
void GMMain::installFilter(SkCanvas* canvas) {
if (FLAGS_forceBWtext) {
canvas->setDrawFilter(SkNEW(BWTextDrawFilter))->unref();
}
}
#if !defined(SK_BUILD_FOR_IOS) && !defined(SK_BUILD_FOR_NACL)
int main(int argc, char * const argv[]) {
return tool_main(argc, (char**) argv);
}
#endif