skia2/bench/benchmain.cpp
reed@google.com d34658a5f1 add benchmark for path filling
git-svn-id: http://skia.googlecode.com/svn/trunk@1097 2bbb7eff-a529-9590-31e7-b0007b416f81
2011-04-11 13:12:51 +00:00

420 lines
12 KiB
C++

#include "SkCanvas.h"
#include "SkColorPriv.h"
#include "SkGraphics.h"
#include "SkImageEncoder.h"
#include "SkNWayCanvas.h"
#include "SkPicture.h"
#include "SkString.h"
#include "SkTime.h"
#include "SkBenchmark.h"
#ifdef ANDROID
static void log_error(const char msg[]) { SkDebugf("%s", msg); }
static void log_progress(const char msg[]) { SkDebugf("%s", msg); }
#else
static void log_error(const char msg[]) { fprintf(stderr, "%s", msg); }
static void log_progress(const char msg[]) { printf("%s", msg); }
#endif
static void log_error(const SkString& str) { log_error(str.c_str()); }
static void log_progress(const SkString& str) { log_progress(str.c_str()); }
///////////////////////////////////////////////////////////////////////////////
static void erase(SkBitmap& bm) {
if (bm.config() == SkBitmap::kA8_Config) {
bm.eraseColor(0);
} else {
bm.eraseColor(SK_ColorWHITE);
}
}
static bool equal(const SkBitmap& bm1, const SkBitmap& bm2) {
if (bm1.width() != bm2.width() ||
bm1.height() != bm2.height() ||
bm1.config() != bm2.config()) {
return false;
}
size_t pixelBytes = bm1.width() * bm1.bytesPerPixel();
for (int y = 0; y < bm1.height(); y++) {
if (memcmp(bm1.getAddr(0, y), bm2.getAddr(0, y), pixelBytes)) {
return false;
}
}
return true;
}
class Iter {
public:
Iter(void* param) {
fBench = BenchRegistry::Head();
fParam = param;
}
SkBenchmark* next() {
if (fBench) {
BenchRegistry::Factory f = fBench->factory();
fBench = fBench->next();
return f(fParam);
}
return NULL;
}
private:
const BenchRegistry* fBench;
void* fParam;
};
static void make_filename(const char name[], SkString* path) {
path->set(name);
for (int i = 0; name[i]; i++) {
switch (name[i]) {
case '/':
case '\\':
case ' ':
case ':':
path->writable_str()[i] = '-';
break;
default:
break;
}
}
}
static void saveFile(const char name[], const char config[], const char dir[],
const SkBitmap& bm) {
SkBitmap copy;
if (!bm.copyTo(&copy, SkBitmap::kARGB_8888_Config)) {
return;
}
if (bm.config() == SkBitmap::kA8_Config) {
// turn alpha into gray-scale
size_t size = copy.getSize() >> 2;
SkPMColor* p = copy.getAddr32(0, 0);
for (size_t i = 0; i < size; i++) {
int c = (*p >> SK_A32_SHIFT) & 0xFF;
c = 255 - c;
c |= (c << 24) | (c << 16) | (c << 8);
*p++ = c | (SK_A32_MASK << SK_A32_SHIFT);
}
}
SkString str;
make_filename(name, &str);
str.appendf("_%s.png", config);
str.prepend(dir);
::remove(str.c_str());
SkImageEncoder::EncodeFile(str.c_str(), copy, SkImageEncoder::kPNG_Type,
100);
}
static void performClip(SkCanvas* canvas, int w, int h) {
SkRect r;
r.set(SkIntToScalar(10), SkIntToScalar(10),
SkIntToScalar(w*2/3), SkIntToScalar(h*2/3));
canvas->clipRect(r, SkRegion::kIntersect_Op);
r.set(SkIntToScalar(w/3), SkIntToScalar(h/3),
SkIntToScalar(w-10), SkIntToScalar(h-10));
canvas->clipRect(r, SkRegion::kXOR_Op);
}
static void performRotate(SkCanvas* canvas, int w, int h) {
const SkScalar x = SkIntToScalar(w) / 2;
const SkScalar y = SkIntToScalar(h) / 2;
canvas->translate(x, y);
canvas->rotate(SkIntToScalar(35));
canvas->translate(-x, -y);
}
static void performScale(SkCanvas* canvas, int w, int h) {
const SkScalar x = SkIntToScalar(w) / 2;
const SkScalar y = SkIntToScalar(h) / 2;
canvas->translate(x, y);
// just enough so we can't take the sprite case
canvas->scale(SK_Scalar1 * 99/100, SK_Scalar1 * 99/100);
canvas->translate(-x, -y);
}
static void compare_pict_to_bitmap(SkPicture* pict, const SkBitmap& bm) {
SkBitmap bm2;
bm2.setConfig(bm.config(), bm.width(), bm.height());
bm2.allocPixels();
erase(bm2);
SkCanvas canvas(bm2);
canvas.drawPicture(*pict);
if (!equal(bm, bm2)) {
SkDebugf("----- compare_pict_to_bitmap failed\n");
}
}
static bool parse_bool_arg(char * const* argv, char* const* stop, bool* var) {
if (argv < stop) {
*var = atoi(*argv) != 0;
return true;
}
return false;
}
static const struct {
SkBitmap::Config fConfig;
const char* fName;
} gConfigs[] = {
{ SkBitmap::kARGB_8888_Config, "8888" },
{ SkBitmap::kRGB_565_Config, "565", },
#if 0
{ SkBitmap::kARGB_4444_Config, "4444", },
{ SkBitmap::kA8_Config, "A8", }
#endif
};
static int findConfig(const char config[]) {
for (size_t i = 0; i < SK_ARRAY_COUNT(gConfigs); i++) {
if (!strcmp(config, gConfigs[i].fName)) {
return i;
}
}
return -1;
}
int main (int argc, char * const argv[]) {
SkAutoGraphics ag;
SkTDict<const char*> defineDict(1024);
int repeatDraw = 1;
int forceAlpha = 0xFF;
bool forceAA = true;
bool forceFilter = false;
SkTriState::State forceDither = SkTriState::kDefault;
bool doScale = false;
bool doRotate = false;
bool doClip = false;
bool doPict = false;
const char* matchStr = NULL;
bool hasStrokeWidth = false;
float strokeWidth;
SkString outDir;
SkBitmap::Config outConfig = SkBitmap::kNo_Config;
const char* configName = "";
int configCount = SK_ARRAY_COUNT(gConfigs);
char* const* stop = argv + argc;
for (++argv; argv < stop; ++argv) {
if (strcmp(*argv, "-o") == 0) {
argv++;
if (argv < stop && **argv) {
outDir.set(*argv);
if (outDir.c_str()[outDir.size() - 1] != '/') {
outDir.append("/");
}
}
} else if (strcmp(*argv, "-pict") == 0) {
doPict = true;
} else if (strcmp(*argv, "-repeat") == 0) {
argv++;
if (argv < stop) {
repeatDraw = atoi(*argv);
if (repeatDraw < 1) {
repeatDraw = 1;
}
} else {
log_error("missing arg for -repeat\n");
return -1;
}
} else if (!strcmp(*argv, "-rotate")) {
doRotate = true;
} else if (!strcmp(*argv, "-scale")) {
doScale = true;
} else if (!strcmp(*argv, "-clip")) {
doClip = true;
} else if (strcmp(*argv, "-forceAA") == 0) {
if (!parse_bool_arg(++argv, stop, &forceAA)) {
log_error("missing arg for -forceAA\n");
return -1;
}
} else if (strcmp(*argv, "-forceFilter") == 0) {
if (!parse_bool_arg(++argv, stop, &forceFilter)) {
log_error("missing arg for -forceFilter\n");
return -1;
}
} else if (strcmp(*argv, "-forceDither") == 0) {
bool tmp;
if (!parse_bool_arg(++argv, stop, &tmp)) {
log_error("missing arg for -forceDither\n");
return -1;
}
forceDither = tmp ? SkTriState::kTrue : SkTriState::kFalse;
} else if (strcmp(*argv, "-forceBlend") == 0) {
bool wantAlpha = false;
if (!parse_bool_arg(++argv, stop, &wantAlpha)) {
log_error("missing arg for -forceBlend\n");
return -1;
}
forceAlpha = wantAlpha ? 0x80 : 0xFF;
} else if (strcmp(*argv, "-strokeWidth") == 0) {
argv++;
if (argv < stop) {
const char *strokeWidthStr = *argv;
if (sscanf(strokeWidthStr, "%f", &strokeWidth) != 1) {
log_error("bad arg for -strokeWidth\n");
return -1;
}
hasStrokeWidth = true;
} else {
log_error("missing arg for -strokeWidth\n");
return -1;
}
} else if (strcmp(*argv, "-match") == 0) {
argv++;
if (argv < stop) {
matchStr = *argv;
} else {
log_error("missing arg for -match\n");
return -1;
}
} else if (strcmp(*argv, "-config") == 0) {
argv++;
if (argv < stop) {
int index = findConfig(*argv);
if (index >= 0) {
outConfig = gConfigs[index].fConfig;
configName = gConfigs[index].fName;
configCount = 1;
} else {
SkString str;
str.printf("unrecognized config %s\n", *argv);
log_error(str);
return -1;
}
} else {
log_error("missing arg for -config\n");
return -1;
}
} else if (strlen(*argv) > 2 && strncmp(*argv, "-D", 2) == 0) {
argv++;
if (argv < stop) {
defineDict.set(argv[-1] + 2, *argv);
} else {
log_error("incomplete '-Dfoo bar' definition\n");
return -1;
}
} else {
SkString str;
str.printf("unrecognized arg %s\n", *argv);
log_error(str);
return -1;
}
}
// report our current settings
{
SkString str;
str.printf("skia bench: alpha=0x%02X antialias=%d filter=%d\n",
forceAlpha, forceAA, forceFilter);
log_progress(str);
}
Iter iter(&defineDict);
SkBenchmark* bench;
while ((bench = iter.next()) != NULL) {
SkIPoint dim = bench->getSize();
if (dim.fX <= 0 || dim.fY <= 0) {
continue;
}
bench->setForceAlpha(forceAlpha);
bench->setForceAA(forceAA);
bench->setForceFilter(forceFilter);
bench->setDither(forceDither);
if (hasStrokeWidth) {
bench->setStrokeWidth(strokeWidth);
}
// only run benchmarks if their name contains matchStr
if (matchStr && strstr(bench->getName(), matchStr) == NULL) {
continue;
}
{
SkString str;
str.printf("running bench [%d %d] %28s", dim.fX, dim.fY,
bench->getName());
log_progress(str);
}
for (int configIndex = 0; configIndex < configCount; configIndex++) {
if (configCount > 1) {
outConfig = gConfigs[configIndex].fConfig;
configName = gConfigs[configIndex].fName;
}
SkBitmap bm;
bm.setConfig(outConfig, dim.fX, dim.fY);
bm.allocPixels();
erase(bm);
SkCanvas canvas(bm);
if (doClip) {
performClip(&canvas, dim.fX, dim.fY);
}
if (doScale) {
performScale(&canvas, dim.fX, dim.fY);
}
if (doRotate) {
performRotate(&canvas, dim.fX, dim.fY);
}
if (repeatDraw > 1) {
SkAutoCanvasRestore acr(&canvas, true);
bench->draw(&canvas);
}
SkMSec now = SkTime::GetMSecs();
for (int i = 0; i < repeatDraw; i++) {
SkCanvas* c = &canvas;
SkNWayCanvas nway;
SkPicture* pict = NULL;
if (doPict) {
pict = new SkPicture;
nway.addCanvas(pict->beginRecording(bm.width(), bm.height()));
nway.addCanvas(&canvas);
c = &nway;
}
SkAutoCanvasRestore acr(c, true);
bench->draw(c);
if (pict) {
compare_pict_to_bitmap(pict, bm);
pict->unref();
}
}
if (repeatDraw > 1) {
double duration = SkTime::GetMSecs() - now;
SkString str;
str.printf(" %4s: msecs = %5.2f", configName, duration / repeatDraw);
log_progress(str);
}
if (outDir.size() > 0) {
saveFile(bench->getName(), configName, outDir.c_str(), bm);
}
}
log_progress("\n");
}
return 0;
}