blob: 7d47bbe26dde41dac9eba8339cb8339a8ebdee30 [file] [log] [blame]
/*
* Copyright 2011 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "gm.h"
#include "system_preferences.h"
#include "GrContext.h"
#include "GrRenderTarget.h"
#include "SkColorPriv.h"
#include "SkData.h"
#include "SkDeferredCanvas.h"
#include "SkDevice.h"
#include "SkGpuCanvas.h"
#include "SkGpuDevice.h"
#include "SkGraphics.h"
#include "SkImageDecoder.h"
#include "SkImageEncoder.h"
#include "gl/SkNativeGLContext.h"
#if SK_MESA
#include "gl/SkMesaGLContext.h"
#endif
#if SK_ANGLE
#include "gl/SkANGLEGLContext.h"
#endif
#include "gl/SkDebugGLContext.h"
#include "SkPicture.h"
#include "SkStream.h"
static bool gForceBWtext;
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
typedef int ErrorBitfield;
const static ErrorBitfield ERROR_NONE = 0x00;
const static ErrorBitfield ERROR_NO_GPU_CONTEXT = 0x01;
const static ErrorBitfield ERROR_PIXEL_MISMATCH = 0x02;
const static ErrorBitfield ERROR_DIMENSION_MISMATCH = 0x04;
const static ErrorBitfield ERROR_READING_REFERENCE_IMAGE = 0x08;
const static ErrorBitfield ERROR_WRITING_REFERENCE_IMAGE = 0x10;
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;
};
static SkString make_name(const char shortName[], const char configName[]) {
SkString name(shortName);
name.appendf("_%s", configName);
return name;
}
static SkString make_filename(const char path[],
const char pathSuffix[],
const SkString& name,
const char suffix[]) {
SkString filename(path);
if (filename.endsWith("/")) {
filename.remove(filename.size() - 1, 1);
}
filename.append(pathSuffix);
filename.append("/");
filename.appendf("%s.%s", name.c_str(), suffix);
return filename;
}
/* 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) {
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) {
SkBitmap copy;
bitmap.copyTo(&copy, SkBitmap::kARGB_8888_Config);
force_all_opaque(copy);
return SkImageEncoder::EncodeFile(path.c_str(), copy,
SkImageEncoder::kPNG_Type, 100);
}
static inline SkPMColor compute_diff_pmcolor(SkPMColor c0, SkPMColor c1) {
int dr = SkGetPackedR32(c0) - SkGetPackedR32(c1);
int dg = SkGetPackedG32(c0) - SkGetPackedG32(c1);
int db = SkGetPackedB32(c0) - SkGetPackedB32(c1);
return SkPackARGB32(0xFF, SkAbs32(dr), SkAbs32(dg), SkAbs32(db));
}
static void compute_diff(const SkBitmap& target, const SkBitmap& base,
SkBitmap* diff) {
SkAutoLockPixels alp(*diff);
const int w = target.width();
const int h = target.height();
for (int y = 0; y < h; y++) {
for (int x = 0; x < w; x++) {
SkPMColor c0 = *base.getAddr32(x, y);
SkPMColor c1 = *target.getAddr32(x, y);
SkPMColor d = 0;
if (c0 != c1) {
d = compute_diff_pmcolor(c0, c1);
}
*diff->getAddr32(x, y) = d;
}
}
}
static ErrorBitfield compare(const SkBitmap& target, const SkBitmap& base,
const SkString& name,
const char* renderModeDescriptor,
SkBitmap* diff) {
SkBitmap copy;
const SkBitmap* bm = &target;
if (target.config() != SkBitmap::kARGB_8888_Config) {
target.copyTo(&copy, SkBitmap::kARGB_8888_Config);
bm = &copy;
}
SkBitmap baseCopy;
const SkBitmap* bp = &base;
if (base.config() != SkBitmap::kARGB_8888_Config) {
base.copyTo(&baseCopy, SkBitmap::kARGB_8888_Config);
bp = &baseCopy;
}
force_all_opaque(*bm);
force_all_opaque(*bp);
const int w = bm->width();
const int h = bm->height();
if (w != bp->width() || h != bp->height()) {
SkDebugf(
"---- %s dimensions mismatch for %s base [%d %d] current [%d %d]\n",
renderModeDescriptor, name.c_str(),
bp->width(), bp->height(), w, h);
return ERROR_DIMENSION_MISMATCH;
}
SkAutoLockPixels bmLock(*bm);
SkAutoLockPixels baseLock(*bp);
for (int y = 0; y < h; y++) {
for (int x = 0; x < w; x++) {
SkPMColor c0 = *bp->getAddr32(x, y);
SkPMColor c1 = *bm->getAddr32(x, y);
if (c0 != c1) {
SkDebugf(
"----- %s pixel mismatch for %s at [%d %d] base 0x%08X current 0x%08X\n",
renderModeDescriptor, name.c_str(), x, y, c0, c1);
if (diff) {
diff->setConfig(SkBitmap::kARGB_8888_Config, w, h);
diff->allocPixels();
compute_diff(*bm, *bp, diff);
}
return ERROR_PIXEL_MISMATCH;
}
}
}
// they're equal
return ERROR_NONE;
}
static bool write_document(const SkString& path,
const SkDynamicMemoryWStream& document) {
SkFILEWStream stream(path.c_str());
SkAutoDataUnref data(document.copyToData());
return stream.writeData(data.get());
}
enum Backend {
kRaster_Backend,
kGPU_Backend,
kPDF_Backend,
kXPS_Backend,
};
struct ConfigData {
SkBitmap::Config fConfig;
Backend fBackend;
const char* fName;
};
/// Returns true if processing should continue, false to skip the
/// remainder of this config for this GM.
//@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(0);
}
#include "SkDrawFilter.h"
class BWTextDrawFilter : public SkDrawFilter {
public:
virtual void filter(SkPaint*, Type) SK_OVERRIDE;
};
void BWTextDrawFilter::filter(SkPaint* p, Type t) {
if (kText_Type == t) {
p->setAntiAlias(false);
}
}
static void installFilter(SkCanvas* canvas) {
if (gForceBWtext) {
canvas->setDrawFilter(new BWTextDrawFilter)->unref();
}
}
static void invokeGM(GM* gm, SkCanvas* canvas, bool isPDF = false) {
if (!isPDF) {
canvas->setMatrix(gm->getInitialTransform());
}
installFilter(canvas);
gm->draw(canvas);
canvas->setDrawFilter(NULL);
}
static ErrorBitfield generate_image(GM* gm, const ConfigData& gRec,
GrContext* context,
GrRenderTarget* rt,
SkBitmap* bitmap,
bool deferred) {
SkISize size (gm->getISize());
setup_bitmap(gRec, size, bitmap);
if (gRec.fBackend == kRaster_Backend) {
SkCanvas* canvas;
if (deferred) {
canvas = new SkDeferredCanvas;
canvas->setDevice(new SkDevice(*bitmap))->unref();
} else {
canvas = new SkCanvas(*bitmap);
}
SkAutoUnref canvasUnref(canvas);
invokeGM(gm, canvas);
canvas->flush();
} else { // GPU
if (NULL == context) {
return ERROR_NO_GPU_CONTEXT;
}
SkCanvas* gc;
if (deferred) {
gc = new SkDeferredCanvas;
} else {
gc = new SkGpuCanvas(context, rt);
}
SkAutoUnref gcUnref(gc);
gc->setDevice(new SkGpuDevice(context, rt))->unref();
invokeGM(gm, gc);
// 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);
gc->readPixels(bitmap, 0, 0);
}
return ERROR_NONE;
}
static void generate_image_from_picture(GM* gm, const ConfigData& gRec,
SkPicture* pict, SkBitmap* bitmap) {
SkISize size = gm->getISize();
setup_bitmap(gRec, size, bitmap);
SkCanvas canvas(*bitmap);
installFilter(&canvas);
canvas.drawPicture(*pict);
}
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);
}
SkAutoUnref aur(dev);
SkCanvas c(dev);
invokeGM(gm, &c, true);
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);
dev->endSheet();
dev->endPortfolio();
#endif
}
static ErrorBitfield 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, "png");
success = write_bitmap(path, bitmap);
}
if (kPDF_Backend == gRec.fBackend) {
path = make_filename(writePath, renderModeDescriptor, name, "pdf");
success = write_document(path, *document);
}
if (kXPS_Backend == gRec.fBackend) {
path = make_filename(writePath, renderModeDescriptor, name, "xps");
success = write_document(path, *document);
}
if (success) {
return ERROR_NONE;
} else {
fprintf(stderr, "FAILED to write %s\n", path.c_str());
return ERROR_WRITING_REFERENCE_IMAGE;
}
}
static ErrorBitfield compare_to_reference_image(const SkString& name,
SkBitmap &bitmap,
const SkBitmap& comparisonBitmap,
const char diffPath [],
const char renderModeDescriptor []) {
ErrorBitfield errors;
SkBitmap diffBitmap;
errors = compare(bitmap, comparisonBitmap, name, renderModeDescriptor,
diffPath ? &diffBitmap : NULL);
if ((ERROR_NONE != errors) && diffPath) {
// write out the generated image
SkString genName = make_filename(diffPath, "", name, "png");
if (!write_bitmap(genName, bitmap)) {
errors |= ERROR_WRITING_REFERENCE_IMAGE;
}
}
return errors;
}
static ErrorBitfield compare_to_reference_image(const char readPath [],
const SkString& name,
SkBitmap &bitmap,
const char diffPath [],
const char renderModeDescriptor []) {
SkString path = make_filename(readPath, "", name, "png");
SkBitmap orig;
if (SkImageDecoder::DecodeFile(path.c_str(), &orig,
SkBitmap::kARGB_8888_Config,
SkImageDecoder::kDecodePixels_Mode, NULL)) {
return compare_to_reference_image(name, bitmap,
orig, diffPath,
renderModeDescriptor);
} else {
fprintf(stderr, "FAILED to read %s\n", path.c_str());
return ERROR_READING_REFERENCE_IMAGE;
}
}
static ErrorBitfield handle_test_results(GM* gm,
const ConfigData& gRec,
const char writePath [],
const char readPath [],
const char diffPath [],
const char renderModeDescriptor [],
SkBitmap& bitmap,
SkDynamicMemoryWStream* pdf,
const SkBitmap* comparisonBitmap) {
SkString name = make_name(gm->shortName(), gRec.fName);
ErrorBitfield retval = ERROR_NONE;
if (readPath && (
gRec.fBackend == kRaster_Backend ||
gRec.fBackend == kGPU_Backend ||
(gRec.fBackend == kPDF_Backend && CAN_IMAGE_PDF))) {
retval |= compare_to_reference_image(readPath, name, bitmap,
diffPath, renderModeDescriptor);
}
if (writePath) {
retval |= write_reference_image(gRec, writePath, renderModeDescriptor,
name, bitmap, pdf);
}
if (comparisonBitmap) {
retval |= compare_to_reference_image(name, bitmap,
*comparisonBitmap, diffPath,
renderModeDescriptor);
}
return retval;
}
static SkPicture* generate_new_picture(GM* gm) {
// Pictures are refcounted so must be on heap
SkPicture* pict = new SkPicture;
SkCanvas* cv = pict->beginRecording(1000, 1000);
invokeGM(gm, cv);
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);
int 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);
SkPicture* retval = new SkPicture (&pictReadback);
return retval;
}
// Test: draw into a bitmap or pdf.
// Depending on flags, possibly compare to an expected image
// and possibly output a diff image if it fails to match.
static ErrorBitfield test_drawing(GM* gm,
const ConfigData& gRec,
const char writePath [],
const char readPath [],
const char diffPath [],
GrContext* context,
GrRenderTarget* rt,
SkBitmap* bitmap) {
SkDynamicMemoryWStream document;
if (gRec.fBackend == kRaster_Backend ||
gRec.fBackend == kGPU_Backend) {
// Early exit if we can't generate the image.
ErrorBitfield errors = generate_image(gm, gRec, context, rt, bitmap,
false);
if (ERROR_NONE != errors) {
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 handle_test_results(gm, gRec, writePath, readPath, diffPath,
"", *bitmap, &document, NULL);
}
static ErrorBitfield test_deferred_drawing(GM* gm,
const ConfigData& gRec,
const SkBitmap& comparisonBitmap,
const char diffPath [],
GrContext* context,
GrRenderTarget* rt) {
SkDynamicMemoryWStream document;
if (gRec.fBackend == kRaster_Backend ||
gRec.fBackend == kGPU_Backend) {
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.
if (!generate_image(gm, gRec, context, rt, &bitmap, true)) {
return ERROR_NONE;
}
return handle_test_results(gm, gRec, NULL, NULL, diffPath,
"-deferred", bitmap, NULL, &comparisonBitmap);
}
return ERROR_NONE;
}
static ErrorBitfield test_picture_playback(GM* gm,
const ConfigData& gRec,
const SkBitmap& comparisonBitmap,
const char readPath [],
const char diffPath []) {
SkPicture* pict = generate_new_picture(gm);
SkAutoUnref aur(pict);
if (kRaster_Backend == gRec.fBackend) {
SkBitmap bitmap;
generate_image_from_picture(gm, gRec, pict, &bitmap);
return handle_test_results(gm, gRec, NULL, NULL, diffPath,
"-replay", bitmap, NULL, &comparisonBitmap);
} else {
return ERROR_NONE;
}
}
static ErrorBitfield test_picture_serialization(GM* gm,
const ConfigData& gRec,
const SkBitmap& comparisonBitmap,
const char readPath [],
const char diffPath []) {
SkPicture* pict = generate_new_picture(gm);
SkAutoUnref aurp(pict);
SkPicture* repict = stream_to_new_picture(*pict);
SkAutoUnref aurr(repict);
if (kRaster_Backend == gRec.fBackend) {
SkBitmap bitmap;
generate_image_from_picture(gm, gRec, repict, &bitmap);
return handle_test_results(gm, gRec, NULL, NULL, diffPath,
"-serialize", bitmap, NULL, &comparisonBitmap);
} else {
return ERROR_NONE;
}
}
static void usage(const char * argv0) {
SkDebugf(
"%s [-w writePath] [-r readPath] [-d diffPath] [-i resourcePath]\n"
" [--noreplay] [--serialize] [--forceBWtext] [--nopdf] \n"
" [--nodeferred] [--match substring] [--notexturecache]\n"
" "
#if SK_MESA
"[--mesagl]"
#endif
#if SK_ANGLE
" [--angle]"
#endif
" [--debuggl]\n\n", argv0);
SkDebugf(" writePath: directory to write rendered images in.\n");
SkDebugf(
" readPath: directory to read reference images from;\n"
" reports if any pixels mismatch between reference and new images\n");
SkDebugf(" diffPath: directory to write difference images in.\n");
SkDebugf(" resourcePath: directory that stores image resources.\n");
SkDebugf(" --noreplay: do not exercise SkPicture replay.\n");
SkDebugf(
" --serialize: exercise SkPicture serialization & deserialization.\n");
SkDebugf(" --forceBWtext: disable text anti-aliasing.\n");
SkDebugf(" --nopdf: skip the pdf rendering test pass.\n");
SkDebugf(" --nodeferred: skip the deferred rendering test pass.\n");
SkDebugf(" --match foo: will only run tests that substring match foo.\n");
#if SK_MESA
SkDebugf(" --mesagl: will run using the osmesa sw gl rasterizer.\n");
#endif
#if SK_ANGLE
SkDebugf(" --angle: use ANGLE backend on Windows.\n");
#endif
SkDebugf(" --debuggl: will run using the debugging gl utility.\n");
SkDebugf(" --notexturecache: disable the gpu texture cache.\n");
}
static const ConfigData gRec[] = {
{ SkBitmap::kARGB_8888_Config, kRaster_Backend, "8888" },
{ SkBitmap::kARGB_4444_Config, kRaster_Backend, "4444" },
{ SkBitmap::kRGB_565_Config, kRaster_Backend, "565" },
#ifdef SK_SCALAR_IS_FLOAT
{ SkBitmap::kARGB_8888_Config, kGPU_Backend, "gpu" },
#endif
#ifdef SK_SUPPORT_PDF
{ SkBitmap::kARGB_8888_Config, kPDF_Backend, "pdf" },
#endif
#ifdef SK_SUPPORT_XPS
{ SkBitmap::kARGB_8888_Config, kXPS_Backend, "xps" },
#endif
};
static bool skip_name(const SkTDArray<const char*> 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 {
static GrContext* gGrContext;
GrContext* GetGr() {
return gGrContext;
}
}
int main(int argc, char * const argv[]) {
SkAutoGraphics ag;
// we don't need to see this during a run
gSkSuppressFontCachePurgeSpew = true;
setSystemPreferences();
const char* writePath = NULL; // if non-null, where we write the originals
const char* readPath = NULL; // if non-null, were we read from to compare
const char* diffPath = NULL; // if non-null, where we write our diffs (from compare)
const char* resourcePath = NULL;// if non-null, where we read from for image resources
SkTDArray<const char*> fMatches;
bool doPDF = true;
bool doReplay = true;
bool doSerialize = false;
#if SK_MESA
bool useMesa = false;
#endif
#if SK_ANGLE
bool useAngle = false;
#endif
bool useDebugGL = false;
bool doDeferred = true;
bool disableTextureCache = false;
const char* const commandName = argv[0];
char* const* stop = argv + argc;
for (++argv; argv < stop; ++argv) {
if (strcmp(*argv, "-w") == 0) {
argv++;
if (argv < stop && **argv) {
writePath = *argv;
}
} else if (strcmp(*argv, "-r") == 0) {
argv++;
if (argv < stop && **argv) {
readPath = *argv;
}
} else if (strcmp(*argv, "-d") == 0) {
argv++;
if (argv < stop && **argv) {
diffPath = *argv;
}
} else if (strcmp(*argv, "-i") == 0) {
argv++;
if (argv < stop && **argv) {
resourcePath = *argv;
}
} else if (strcmp(*argv, "--forceBWtext") == 0) {
gForceBWtext = true;
} else if (strcmp(*argv, "--noreplay") == 0) {
doReplay = false;
} else if (strcmp(*argv, "--nopdf") == 0) {
doPDF = false;
} else if (strcmp(*argv, "--nodeferred") == 0) {
doDeferred = false;
} else if (strcmp(*argv, "--serialize") == 0) {
doSerialize = true;
} else if (strcmp(*argv, "--match") == 0) {
++argv;
if (argv < stop && **argv) {
// just record the ptr, no need for a deep copy
*fMatches.append() = *argv;
}
#if SK_MESA
} else if (strcmp(*argv, "--mesagl") == 0) {
useMesa = true;
#endif
#if SK_ANGLE
} else if (strcmp(*argv, "--angle") == 0) {
useAngle = true;
#endif
} else if (strcmp(*argv, "--debuggl") == 0) {
useDebugGL = true;
} else if (strcmp(*argv, "--notexturecache") == 0) {
disableTextureCache = true;
} else {
usage(commandName);
return -1;
}
}
if (argv != stop) {
usage(commandName);
return -1;
}
GM::SetResourcePath(resourcePath);
int maxW = -1;
int maxH = -1;
Iter iter;
GM* gm;
while ((gm = iter.next()) != NULL) {
SkISize size = gm->getISize();
maxW = SkMax32(size.width(), maxW);
maxH = SkMax32(size.height(), maxH);
// This fixes a memory leak, but we are churning gms; we could
// instead cache them if we have constructors with side-effects.
SkDELETE(gm);
}
// setup a GL context for drawing offscreen
SkAutoTUnref<SkGLContext> glContext;
#if SK_MESA
if (useMesa) {
glContext.reset(new SkMesaGLContext());
} else
#endif
#if SK_ANGLE
if (useAngle) {
glContext.reset(new SkANGLEGLContext());
} else
#endif
if (useDebugGL) {
glContext.reset(new SkDebugGLContext());
} else {
glContext.reset(new SkNativeGLContext());
}
GrPlatformRenderTargetDesc rtDesc;
if (glContext.get()->init(maxW, maxH)) {
GrPlatform3DContext ctx =
reinterpret_cast<GrPlatform3DContext>(glContext.get()->gl());
gGrContext = GrContext::Create(kOpenGL_Shaders_GrEngine, ctx);
if (NULL != gGrContext) {
rtDesc.fConfig = kSkia8888_PM_GrPixelConfig;
rtDesc.fStencilBits = 8;
rtDesc.fRenderTargetHandle = glContext.get()->getFBOID();
}
} else {
fprintf(stderr, "could not create GL context.\n");
}
if (readPath) {
fprintf(stderr, "reading from %s\n", readPath);
}
if (writePath) {
fprintf(stderr, "writing to %s\n", writePath);
}
if (resourcePath) {
fprintf(stderr, "reading resources from %s\n", resourcePath);
}
// Accumulate success of all tests.
int testsRun = 0;
int testsPassed = 0;
int testsFailed = 0;
int testsMissingReferenceImages = 0;
if (disableTextureCache) {
skiagm::GetGr()->setTextureCacheLimits(0, 0);
}
iter.reset();
while ((gm = iter.next()) != NULL) {
const char* shortName = gm->shortName();
if (skip_name(fMatches, shortName)) {
SkDELETE(gm);
continue;
}
SkISize size = gm->getISize();
SkDebugf("drawing... %s [%d %d]\n", shortName,
size.width(), size.height());
SkBitmap forwardRenderedBitmap;
// Above we created an fbo for the context at maxW x maxH size.
// Here we lie about the size of the rt. We claim it is the size
// desired by the test. The reason is that rasterization may change
// slightly when the viewport dimensions change. Previously, whenever
// a new test was checked in that bumped maxW or maxH several images
// would slightly change.
rtDesc.fWidth = size.width();
rtDesc.fHeight = size.height();
SkAutoTUnref<GrRenderTarget> rt;
if (gGrContext) {
rt.reset(gGrContext->createPlatformRenderTarget(rtDesc));
}
for (size_t i = 0; i < SK_ARRAY_COUNT(gRec); i++) {
// Skip any tests that we don't even need to try.
uint32_t gmFlags = gm->getFlags();
if ((kPDF_Backend == gRec[i].fBackend) &&
(!doPDF || (gmFlags & GM::kSkipPDF_Flag)))
{
continue;
}
// Now we know that we want to run this test and record its
// success or failure.
ErrorBitfield testErrors = ERROR_NONE;
if ((ERROR_NONE == testErrors) &&
(kGPU_Backend == gRec[i].fBackend) &&
(NULL == rt.get())) {
fprintf(stderr, "Could not create render target for gpu.\n");
testErrors |= ERROR_NO_GPU_CONTEXT;
}
if (ERROR_NONE == testErrors) {
testErrors |= test_drawing(gm, gRec[i],
writePath, readPath, diffPath,
gGrContext,
rt.get(), &forwardRenderedBitmap);
}
if (doDeferred && !testErrors &&
(kGPU_Backend == gRec[i].fBackend ||
kRaster_Backend == gRec[i].fBackend)) {
testErrors |= test_deferred_drawing(gm, gRec[i],
forwardRenderedBitmap,
diffPath, gGrContext, rt.get());
}
if ((ERROR_NONE == testErrors) && doReplay &&
!(gmFlags & GM::kSkipPicture_Flag)) {
testErrors |= test_picture_playback(gm, gRec[i],
forwardRenderedBitmap,
readPath, diffPath);
}
if ((ERROR_NONE == testErrors) && doSerialize &&
!(gmFlags & GM::kSkipPicture_Flag)) {
testErrors |= test_picture_serialization(gm, gRec[i],
forwardRenderedBitmap,
readPath, diffPath);
}
// Update overall results.
// We only tabulate the particular error types that we currently
// care about (e.g., missing reference images). Later on, if we
// want to also tabulate pixel mismatches vs dimension mistmatches
// (or whatever else), we can do so.
testsRun++;
if (ERROR_NONE == testErrors) {
testsPassed++;
} else if (ERROR_READING_REFERENCE_IMAGE & testErrors) {
testsMissingReferenceImages++;
} else {
testsFailed++;
}
}
SkDELETE(gm);
}
printf("Ran %d tests: %d passed, %d failed, %d missing reference images\n",
testsRun, testsPassed, testsFailed, testsMissingReferenceImages);
SkDELETE(skiagm::gGrContext);
skiagm::gGrContext = NULL;
return (0 == testsFailed) ? 0 : -1;
}