зеркало из https://github.com/mozilla/moz-skia.git
338 строки
12 KiB
C++
338 строки
12 KiB
C++
/*
|
|
* Copyright 2012 Google Inc.
|
|
*
|
|
* Use of this source code is governed by a BSD-style license that can be
|
|
* found in the LICENSE file.
|
|
*/
|
|
|
|
#include "SkBenchmark.h"
|
|
#include "SkCanvas.h"
|
|
#include "SkPaint.h"
|
|
#include "SkRandom.h"
|
|
#include "SkShader.h"
|
|
#include "SkString.h"
|
|
|
|
// This bench simulates the calls Skia sees from various HTML5 canvas
|
|
// game bench marks
|
|
class GameBench : public SkBenchmark {
|
|
public:
|
|
enum Type {
|
|
kScale_Type,
|
|
kTranslate_Type,
|
|
kRotate_Type
|
|
};
|
|
|
|
enum Clear {
|
|
kFull_Clear,
|
|
kPartial_Clear
|
|
};
|
|
|
|
GameBench(Type type, Clear clear,
|
|
bool aligned = false, bool useAtlas = false,
|
|
bool useDrawVertices = false)
|
|
: fType(type)
|
|
, fClear(clear)
|
|
, fAligned(aligned)
|
|
, fUseAtlas(useAtlas)
|
|
, fUseDrawVertices(useDrawVertices)
|
|
, fName("game")
|
|
, fNumSaved(0)
|
|
, fInitialized(false) {
|
|
|
|
switch (fType) {
|
|
case kScale_Type:
|
|
fName.append("_scale");
|
|
break;
|
|
case kTranslate_Type:
|
|
fName.append("_trans");
|
|
break;
|
|
case kRotate_Type:
|
|
fName.append("_rot");
|
|
break;
|
|
};
|
|
|
|
if (aligned) {
|
|
fName.append("_aligned");
|
|
}
|
|
|
|
if (kPartial_Clear == clear) {
|
|
fName.append("_partial");
|
|
} else {
|
|
fName.append("_full");
|
|
}
|
|
|
|
if (useAtlas) {
|
|
fName.append("_atlas");
|
|
}
|
|
|
|
if (useDrawVertices) {
|
|
fName.append("_drawVerts");
|
|
}
|
|
|
|
// It's HTML 5 canvas, so always AA
|
|
fName.append("_aa");
|
|
}
|
|
|
|
protected:
|
|
virtual const char* onGetName() SK_OVERRIDE {
|
|
return fName.c_str();
|
|
}
|
|
|
|
virtual void onPreDraw() SK_OVERRIDE {
|
|
if (!fInitialized) {
|
|
this->makeCheckerboard();
|
|
this->makeAtlas();
|
|
fInitialized = true;
|
|
}
|
|
}
|
|
|
|
virtual void onDraw(const int loops, SkCanvas* canvas) SK_OVERRIDE {
|
|
SkRandom scaleRand;
|
|
SkRandom transRand;
|
|
SkRandom rotRand;
|
|
|
|
int width, height;
|
|
if (fUseAtlas) {
|
|
width = kAtlasCellWidth;
|
|
height = kAtlasCellHeight;
|
|
} else {
|
|
width = kCheckerboardWidth;
|
|
height = kCheckerboardHeight;
|
|
}
|
|
|
|
SkPaint clearPaint;
|
|
clearPaint.setColor(0xFF000000);
|
|
clearPaint.setAntiAlias(true);
|
|
|
|
SkISize size = canvas->getDeviceSize();
|
|
|
|
SkScalar maxTransX, maxTransY;
|
|
|
|
if (kScale_Type == fType) {
|
|
maxTransX = size.fWidth - (1.5f * width);
|
|
maxTransY = size.fHeight - (1.5f * height);
|
|
} else if (kTranslate_Type == fType) {
|
|
maxTransX = SkIntToScalar(size.fWidth - width);
|
|
maxTransY = SkIntToScalar(size.fHeight - height);
|
|
} else {
|
|
SkASSERT(kRotate_Type == fType);
|
|
// Yes, some rotations will be off the top and left sides
|
|
maxTransX = size.fWidth - SK_ScalarSqrt2 * height;
|
|
maxTransY = size.fHeight - SK_ScalarSqrt2 * height;
|
|
}
|
|
|
|
SkMatrix mat;
|
|
SkRect dst = { 0, 0, SkIntToScalar(width), SkIntToScalar(height) };
|
|
SkRect clearRect = { -1.0f, -1.0f, width+1.0f, height+1.0f };
|
|
SkPoint verts[4] = { // for drawVertices path
|
|
{ 0, 0 },
|
|
{ 0, SkIntToScalar(height) },
|
|
{ SkIntToScalar(width), SkIntToScalar(height) },
|
|
{ SkIntToScalar(width), 0 }
|
|
};
|
|
uint16_t indices[6] = { 0, 1, 2, 0, 2, 3 };
|
|
|
|
SkPaint p;
|
|
p.setColor(0xFF000000);
|
|
p.setFilterLevel(SkPaint::kLow_FilterLevel);
|
|
|
|
SkPaint p2; // for drawVertices path
|
|
p2.setColor(0xFF000000);
|
|
p2.setFilterLevel(SkPaint::kLow_FilterLevel);
|
|
p2.setShader(SkShader::CreateBitmapShader(fAtlas,
|
|
SkShader::kClamp_TileMode,
|
|
SkShader::kClamp_TileMode))->unref();
|
|
|
|
for (int i = 0; i < loops; ++i, ++fNumSaved) {
|
|
if (0 == i % kNumBeforeClear) {
|
|
if (kPartial_Clear == fClear) {
|
|
for (int j = 0; j < fNumSaved; ++j) {
|
|
canvas->setMatrix(SkMatrix::I());
|
|
mat.setTranslate(fSaved[j][0], fSaved[j][1]);
|
|
|
|
if (kScale_Type == fType) {
|
|
mat.preScale(fSaved[j][2], fSaved[j][2]);
|
|
} else if (kRotate_Type == fType) {
|
|
mat.preRotate(fSaved[j][2]);
|
|
}
|
|
|
|
canvas->concat(mat);
|
|
canvas->drawRect(clearRect, clearPaint);
|
|
}
|
|
} else {
|
|
canvas->clear(0xFF000000);
|
|
}
|
|
|
|
fNumSaved = 0;
|
|
}
|
|
|
|
SkASSERT(fNumSaved < kNumBeforeClear);
|
|
|
|
canvas->setMatrix(SkMatrix::I());
|
|
|
|
fSaved[fNumSaved][0] = transRand.nextRangeScalar(0.0f, maxTransX);
|
|
fSaved[fNumSaved][1] = transRand.nextRangeScalar(0.0f, maxTransY);
|
|
if (fAligned) {
|
|
// make the translations integer aligned
|
|
fSaved[fNumSaved][0] = SkScalarFloorToScalar(fSaved[fNumSaved][0]);
|
|
fSaved[fNumSaved][1] = SkScalarFloorToScalar(fSaved[fNumSaved][1]);
|
|
}
|
|
|
|
mat.setTranslate(fSaved[fNumSaved][0], fSaved[fNumSaved][1]);
|
|
|
|
if (kScale_Type == fType) {
|
|
fSaved[fNumSaved][2] = scaleRand.nextRangeScalar(0.5f, 1.5f);
|
|
mat.preScale(fSaved[fNumSaved][2], fSaved[fNumSaved][2]);
|
|
} else if (kRotate_Type == fType) {
|
|
fSaved[fNumSaved][2] = rotRand.nextRangeScalar(0.0f, 360.0f);
|
|
mat.preRotate(fSaved[fNumSaved][2]);
|
|
}
|
|
|
|
canvas->concat(mat);
|
|
if (fUseAtlas) {
|
|
const int curCell = i % (kNumAtlasedX * kNumAtlasedY);
|
|
SkIRect src = fAtlasRects[curCell % (kNumAtlasedX)][curCell / (kNumAtlasedX)];
|
|
|
|
if (fUseDrawVertices) {
|
|
SkPoint uvs[4] = {
|
|
{ SkIntToScalar(src.fLeft), SkIntToScalar(src.fBottom) },
|
|
{ SkIntToScalar(src.fLeft), SkIntToScalar(src.fTop) },
|
|
{ SkIntToScalar(src.fRight), SkIntToScalar(src.fTop) },
|
|
{ SkIntToScalar(src.fRight), SkIntToScalar(src.fBottom) },
|
|
};
|
|
canvas->drawVertices(SkCanvas::kTriangles_VertexMode,
|
|
4, verts, uvs, NULL, NULL,
|
|
indices, 6, p2);
|
|
} else {
|
|
canvas->drawBitmapRect(fAtlas, &src, dst, &p,
|
|
SkCanvas::kBleed_DrawBitmapRectFlag);
|
|
}
|
|
} else {
|
|
canvas->drawBitmapRect(fCheckerboard, NULL, dst, &p);
|
|
}
|
|
}
|
|
}
|
|
|
|
private:
|
|
static const int kCheckerboardWidth = 64;
|
|
static const int kCheckerboardHeight = 128;
|
|
|
|
static const int kAtlasCellWidth = 48;
|
|
static const int kAtlasCellHeight = 36;
|
|
static const int kNumAtlasedX = 5;
|
|
static const int kNumAtlasedY = 5;
|
|
static const int kAtlasSpacer = 2;
|
|
static const int kTotAtlasWidth = kNumAtlasedX * kAtlasCellWidth +
|
|
(kNumAtlasedX+1) * kAtlasSpacer;
|
|
static const int kTotAtlasHeight = kNumAtlasedY * kAtlasCellHeight +
|
|
(kNumAtlasedY+1) * kAtlasSpacer;
|
|
static const int kNumBeforeClear = 100;
|
|
|
|
Type fType;
|
|
Clear fClear;
|
|
bool fAligned;
|
|
bool fUseAtlas;
|
|
bool fUseDrawVertices;
|
|
SkString fName;
|
|
int fNumSaved; // num draws stored in 'fSaved'
|
|
bool fInitialized;
|
|
|
|
// 0 & 1 are always x & y translate. 2 is either scale or rotate.
|
|
SkScalar fSaved[kNumBeforeClear][3];
|
|
|
|
SkBitmap fCheckerboard;
|
|
SkBitmap fAtlas;
|
|
SkIRect fAtlasRects[kNumAtlasedX][kNumAtlasedY];
|
|
|
|
// Note: the resulting checker board has transparency
|
|
void makeCheckerboard() {
|
|
static int kCheckSize = 16;
|
|
|
|
fCheckerboard.setConfig(SkBitmap::kARGB_8888_Config,
|
|
kCheckerboardWidth, kCheckerboardHeight);
|
|
fCheckerboard.allocPixels();
|
|
SkAutoLockPixels lock(fCheckerboard);
|
|
for (int y = 0; y < kCheckerboardHeight; ++y) {
|
|
int even = (y / kCheckSize) % 2;
|
|
|
|
SkPMColor* scanline = fCheckerboard.getAddr32(0, y);
|
|
|
|
for (int x = 0; x < kCheckerboardWidth; ++x) {
|
|
if (even == (x / kCheckSize) % 2) {
|
|
*scanline++ = 0xFFFF0000;
|
|
} else {
|
|
*scanline++ = 0x00000000;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Note: the resulting atlas has transparency
|
|
void makeAtlas() {
|
|
SkRandom rand;
|
|
|
|
SkColor colors[kNumAtlasedX][kNumAtlasedY];
|
|
|
|
for (int y = 0; y < kNumAtlasedY; ++y) {
|
|
for (int x = 0; x < kNumAtlasedX; ++x) {
|
|
colors[x][y] = rand.nextU() | 0xff000000;
|
|
fAtlasRects[x][y] = SkIRect::MakeXYWH(kAtlasSpacer + x * (kAtlasCellWidth + kAtlasSpacer),
|
|
kAtlasSpacer + y * (kAtlasCellHeight + kAtlasSpacer),
|
|
kAtlasCellWidth,
|
|
kAtlasCellHeight);
|
|
}
|
|
}
|
|
|
|
fAtlas.setConfig(SkBitmap::kARGB_8888_Config, kTotAtlasWidth, kTotAtlasHeight);
|
|
fAtlas.allocPixels();
|
|
SkAutoLockPixels lock(fAtlas);
|
|
|
|
for (int y = 0; y < kTotAtlasHeight; ++y) {
|
|
int colorY = y / (kAtlasCellHeight + kAtlasSpacer);
|
|
bool inColorY = (y % (kAtlasCellHeight + kAtlasSpacer)) >= kAtlasSpacer;
|
|
|
|
SkPMColor* scanline = fAtlas.getAddr32(0, y);
|
|
|
|
for (int x = 0; x < kTotAtlasWidth; ++x, ++scanline) {
|
|
int colorX = x / (kAtlasCellWidth + kAtlasSpacer);
|
|
bool inColorX = (x % (kAtlasCellWidth + kAtlasSpacer)) >= kAtlasSpacer;
|
|
|
|
if (inColorX && inColorY) {
|
|
SkASSERT(colorX < kNumAtlasedX && colorY < kNumAtlasedY);
|
|
*scanline = colors[colorX][colorY];
|
|
} else {
|
|
*scanline = 0x00000000;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
typedef SkBenchmark INHERITED;
|
|
};
|
|
|
|
// Partial clear
|
|
DEF_BENCH( return SkNEW_ARGS(GameBench, (GameBench::kScale_Type,
|
|
GameBench::kPartial_Clear)); )
|
|
DEF_BENCH( return SkNEW_ARGS(GameBench, (GameBench::kTranslate_Type,
|
|
GameBench::kPartial_Clear)); )
|
|
DEF_BENCH( return SkNEW_ARGS(GameBench, (GameBench::kTranslate_Type,
|
|
GameBench::kPartial_Clear, true)); )
|
|
DEF_BENCH( return SkNEW_ARGS(GameBench, (GameBench::kRotate_Type,
|
|
GameBench::kPartial_Clear)); )
|
|
|
|
// Full clear
|
|
DEF_BENCH( return SkNEW_ARGS(GameBench, (GameBench::kScale_Type,
|
|
GameBench::kFull_Clear)); )
|
|
DEF_BENCH( return SkNEW_ARGS(GameBench, (GameBench::kTranslate_Type,
|
|
GameBench::kFull_Clear)); )
|
|
DEF_BENCH( return SkNEW_ARGS(GameBench, (GameBench::kTranslate_Type,
|
|
GameBench::kFull_Clear, true)); )
|
|
DEF_BENCH( return SkNEW_ARGS(GameBench, (GameBench::kRotate_Type,
|
|
GameBench::kFull_Clear)); )
|
|
|
|
// Atlased
|
|
DEF_BENCH( return SkNEW_ARGS(GameBench, (GameBench::kTranslate_Type,
|
|
GameBench::kFull_Clear, false, true)); )
|
|
DEF_BENCH( return SkNEW_ARGS(GameBench, (GameBench::kTranslate_Type,
|
|
GameBench::kFull_Clear, false, true, true)); )
|