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skia2/bench/Matrix44Bench.cpp
Mike Reed 215c34be2b SkMScalar is obsolete -- use SkScalar 
Bug: skia:
Change-Id: I6a29039aa4dcc25cc804db4bdc685b8dc119f216
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/265298
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Mike Reed <reed@google.com>
2020-01-21 12:47:48 +00:00

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/*
* 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 "bench/Benchmark.h"
#include "include/core/SkMatrix44.h"
#include "include/core/SkString.h"
#include "include/private/SkM44.h"
#include "include/utils/SkRandom.h"
class Matrix44Bench : public Benchmark {
SkString fName;
public:
Matrix44Bench(const char name[]) {
fName.printf("matrix44_%s", name);
}
bool isSuitableFor(Backend backend) override {
return backend == kNonRendering_Backend;
}
virtual void performTest() = 0;
protected:
virtual int mulLoopCount() const { return 1; }
const char* onGetName() override {
return fName.c_str();
}
void onDraw(int loops, SkCanvas*) override {
for (int i = 0; i < loops; i++) {
this->performTest();
}
}
private:
typedef Benchmark INHERITED;
};
class EqualsMatrix44Bench : public Matrix44Bench {
public:
EqualsMatrix44Bench()
: INHERITED("equals")
{
fM1.set(0, 0, 0);
fM2.set(3, 3, 0);
}
protected:
void performTest() override {
for (int i = 0; i < 10; ++i) {
(void) (fM0 == fM1);
(void) (fM1 == fM2);
(void) (fM2 == fM0);
}
}
private:
SkMatrix44 fM0, fM1, fM2;
typedef Matrix44Bench INHERITED;
};
class SetIdentityMatrix44Bench : public Matrix44Bench {
public:
SetIdentityMatrix44Bench()
: INHERITED("setidentity")
{
double rowMajor[16] =
{ 1, 2, 3, 4,
5, 6, 7, 8,
9, 10, 11, 12,
13, 14, 15, 16};
mat.setRowMajord(rowMajor);
}
protected:
void performTest() override {
for (int i = 0; i < 10; ++i) {
mat.setIdentity();
}
}
private:
SkMatrix44 mat;
typedef Matrix44Bench INHERITED;
};
class PreScaleMatrix44Bench : public Matrix44Bench {
public:
PreScaleMatrix44Bench()
: INHERITED("prescale")
{
fX = fY = fZ = 1.5f;
}
protected:
void performTest() override {
fM0.reset();
for (int i = 0; i < 10; ++i) {
fM0.preScale(fX, fY, fZ);
}
}
private:
SkMatrix44 fM0;
SkScalar fX, fY, fZ;
typedef Matrix44Bench INHERITED;
};
class InvertMatrix44Bench : public Matrix44Bench {
public:
InvertMatrix44Bench()
: INHERITED("invert")
{
fM0.setDouble(0, 0, -1.1);
fM0.setDouble(0, 1, 2.1);
fM0.setDouble(0, 2, -3.1);
fM0.setDouble(0, 3, 4.1);
fM0.setDouble(1, 0, 5.1);
fM0.setDouble(1, 1, -6.1);
fM0.setDouble(1, 2, 7.1);
fM0.setDouble(1, 3, 8.1);
fM0.setDouble(2, 0, -9.1);
fM0.setDouble(2, 1, 10.1);
fM0.setDouble(2, 2, 11.1);
fM0.setDouble(2, 3, -12.1);
fM0.setDouble(3, 0, -13.1);
fM0.setDouble(3, 1, 14.1);
fM0.setDouble(3, 2, -15.1);
fM0.setDouble(3, 3, 16.1);
}
protected:
void performTest() override {
for (int i = 0; i < 10; ++i) {
fM0.invert(&fM1);
}
}
private:
SkMatrix44 fM0, fM1;
typedef Matrix44Bench INHERITED;
};
class InvertAffineMatrix44Bench : public Matrix44Bench {
public:
InvertAffineMatrix44Bench()
: INHERITED("invertaffine")
{
fM0.setDouble(0, 0, -1.1);
fM0.setDouble(0, 1, 2.1);
fM0.setDouble(0, 2, -3.1);
fM0.setDouble(0, 3, 4.1);
fM0.setDouble(1, 0, 5.1);
fM0.setDouble(1, 1, -6.1);
fM0.setDouble(1, 2, 7.1);
fM0.setDouble(1, 3, 8.1);
fM0.setDouble(2, 0, -9.1);
fM0.setDouble(2, 1, 10.1);
fM0.setDouble(2, 2, 11.1);
fM0.setDouble(2, 3, -12.1);
// bottom row (perspective component) remains (0, 0, 0, 1).
}
protected:
void performTest() override {
for (int i = 0; i < 10; ++i) {
fM0.invert(&fM1);
}
}
private:
SkMatrix44 fM0, fM1;
typedef Matrix44Bench INHERITED;
};
class InvertScaleTranslateMatrix44Bench : public Matrix44Bench {
public:
InvertScaleTranslateMatrix44Bench()
: INHERITED("invertscaletranslate")
{
fM0.setDouble(0, 0, -1.1);
fM0.setDouble(0, 3, 4.1);
fM0.setDouble(1, 1, -6.1);
fM0.setDouble(1, 3, 8.1);
fM0.setDouble(2, 2, 11.1);
fM0.setDouble(2, 3, -12.1);
}
protected:
void performTest() override {
for (int i = 0; i < 10; ++i) {
fM0.invert(&fM1);
}
}
private:
SkMatrix44 fM0, fM1;
typedef Matrix44Bench INHERITED;
};
class InvertTranslateMatrix44Bench : public Matrix44Bench {
public:
InvertTranslateMatrix44Bench()
: INHERITED("inverttranslate")
{
fM0.setDouble(0, 3, 4.1);
fM0.setDouble(1, 3, 8.1);
fM0.setDouble(2, 3, -12.1);
}
protected:
void performTest() override {
for (int i = 0; i < 10; ++i) {
fM0.invert(&fM1);
}
}
private:
SkMatrix44 fM0, fM1;
typedef Matrix44Bench INHERITED;
};
class PostScaleMatrix44Bench : public Matrix44Bench {
public:
PostScaleMatrix44Bench()
: INHERITED("postscale")
{
fX = fY = fZ = 1.5f;
}
protected:
void performTest() override {
fM0.reset();
for (int i = 0; i < 10; ++i) {
fM0.postScale(fX, fY, fZ);
}
}
private:
SkMatrix44 fM0;
SkScalar fX, fY, fZ;
typedef Matrix44Bench INHERITED;
};
class SetConcatMatrix44Bench : public Matrix44Bench {
public:
// SkMatrix44::setConcat() has a fast path for matrices that are at most scale+translate.
SetConcatMatrix44Bench(bool fastPath)
: INHERITED(fastPath ? "setconcat_fast" : "setconcat_general")
{
if (fastPath) {
const SkScalar v = 1.5f;
fM1.setScale(v,v,v);
fM2.setTranslate(v,v,v);
} else {
SkRandom rand;
for (int x = 0; x < 4; x++) {
for (int y = 0; y < 4; y++) {
fM1.setFloat(x,y, rand.nextF());
fM2.setFloat(x,y, rand.nextF());
}}
}
}
protected:
void performTest() override {
fM0.reset(); // just to normalize this test with prescale/postscale
for (int i = 0; i < 10000; ++i) {
fM0.setConcat(fM1, fM2);
}
}
private:
SkMatrix44 fM0, fM1, fM2;
typedef Matrix44Bench INHERITED;
};
class GetTypeMatrix44Bench : public Matrix44Bench {
public:
GetTypeMatrix44Bench()
: INHERITED("gettype")
{}
protected:
// Putting random generation of the matrix inside performTest()
// would help us avoid anomalous runs, but takes up 25% or
// more of the function time.
void performTest() override {
for (int i = 0; i < 20; ++i) {
fMatrix.set(1, 2, 1); // to invalidate the type-cache
fMatrix.getType();
}
}
private:
SkMatrix44 fMatrix;
typedef Matrix44Bench INHERITED;
};
DEF_BENCH( return new SetIdentityMatrix44Bench(); )
DEF_BENCH( return new EqualsMatrix44Bench(); )
DEF_BENCH( return new PreScaleMatrix44Bench(); )
DEF_BENCH( return new PostScaleMatrix44Bench(); )
DEF_BENCH( return new InvertMatrix44Bench(); )
DEF_BENCH( return new InvertAffineMatrix44Bench(); )
DEF_BENCH( return new InvertScaleTranslateMatrix44Bench(); )
DEF_BENCH( return new InvertTranslateMatrix44Bench(); )
DEF_BENCH( return new SetConcatMatrix44Bench(true); )
DEF_BENCH( return new SetConcatMatrix44Bench(false); )
DEF_BENCH( return new GetTypeMatrix44Bench(); )
/////////////////////////////////////////////////////////////////////////////////////////////////
class M4Bench : public Benchmark {
SkString fName;
public:
M4Bench(const char name[]) {
fName.printf("m4_%s", name);
SkRandom rand;
float value[32];
for (auto& v : value) {
v = rand.nextF();
}
fM1.setColMajor(value + 0);
fM2.setColMajor(value + 16);
}
bool isSuitableFor(Backend backend) override {
return backend == kNonRendering_Backend;
}
virtual void performTest() = 0;
protected:
SkM44 fM0, fM1, fM2;
virtual int mulLoopCount() const { return 1; }
const char* onGetName() override {
return fName.c_str();
}
void onDraw(int loops, SkCanvas*) override {
for (int i = 0; i < loops; i++) {
this->performTest();
}
}
private:
typedef Benchmark INHERITED;
};
class M4NEQ : public M4Bench {
public:
M4NEQ() : INHERITED("neq") {}
protected:
void performTest() override {
for (int i = 0; i < 10000; ++i) {
fEQ = (fM2 == fM1); // should always be false
}
}
private:
bool fEQ;
typedef M4Bench INHERITED;
};
class M4EQ : public M4Bench {
public:
M4EQ() : INHERITED("eq") {}
protected:
void performTest() override {
fM2 = fM1;
for (int i = 0; i < 10000; ++i) {
fEQ = (fM2 == fM1); // should always be true
}
}
private:
bool fEQ;
typedef M4Bench INHERITED;
};
class M4Concat : public M4Bench {
public:
M4Concat() : INHERITED("op_concat") {}
protected:
void performTest() override {
for (int i = 0; i < 10000; ++i) {
fM0 = SkM44(fM1, fM2);
}
}
private:
typedef M4Bench INHERITED;
};
class M4SetConcat : public M4Bench {
public:
M4SetConcat() : INHERITED("set_concat") {}
protected:
void performTest() override {
for (int i = 0; i < 10000; ++i) {
fM0.setConcat(fM1, fM2);
}
}
private:
typedef M4Bench INHERITED;
};
DEF_BENCH( return new M4EQ(); )
DEF_BENCH( return new M4NEQ(); )
DEF_BENCH( return new M4Concat(); )
DEF_BENCH( return new M4SetConcat(); )
class M4_map4 : public M4Bench {
public:
M4_map4() : INHERITED("map4") {}
protected:
void performTest() override {
SkV4 v = {1, 2, 3, 4};
for (int i = 0; i < 100000; ++i) {
fV = fM0 * v;
}
}
private:
SkV4 fV;
typedef M4Bench INHERITED;
};
DEF_BENCH( return new M4_map4(); )
class M4_map2 : public M4Bench {
public:
M4_map2() : INHERITED("map2") {}
protected:
void performTest() override {
SkMatrix m;
m.setRotate(1);
for (int i = 0; i < 100000; ++i) {
fV = m.mapXY(5, 6);
}
}
private:
SkPoint fV;
typedef M4Bench INHERITED;
};
DEF_BENCH( return new M4_map2(); )
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