89 lines
2.6 KiB
C++
89 lines
2.6 KiB
C++
|
/*
|
||
|
|
* Copyright 2015 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/SkColor.h"
|
||
|
|
#include "include/private/SkNx.h"
|
||
|
|
|
||
|
|
// Writing into this array prevents the loops from being compiled away.
|
||
|
|
static volatile float blackhole[4];
|
||
|
|
|
||
|
|
template <typename T>
|
||
|
|
struct Sk4fRoundtripBench : public Benchmark {
|
||
|
|
Sk4fRoundtripBench() {}
|
||
|
|
|
||
|
|
const char* onGetName() override {
|
||
|
|
switch (sizeof(T)) {
|
||
|
|
case 1: return "Sk4f_roundtrip_u8";
|
||
|
|
case 2: return "Sk4f_roundtrip_u16";
|
||
|
|
case 4: return "Sk4f_roundtrip_int";
|
||
|
|
}
|
||
|
|
SkASSERT(false);
|
||
|
|
return "";
|
||
|
|
}
|
||
|
|
|
||
|
|
bool isSuitableFor(Backend backend) override { return backend == kNonRendering_Backend; }
|
||
|
|
|
||
|
|
void onDraw(int loops, SkCanvas* canvas) override {
|
||
|
|
Sk4f fs(1,2,3,4);
|
||
|
|
while (loops --> 0) {
|
||
|
|
fs = SkNx_cast<float>(SkNx_cast<T>(fs));
|
||
|
|
}
|
||
|
|
fs.store((float*)blackhole);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
DEF_BENCH(return new Sk4fRoundtripBench<uint8_t>;)
|
||
|
|
DEF_BENCH(return new Sk4fRoundtripBench<uint16_t>;)
|
||
|
|
DEF_BENCH(return new Sk4fRoundtripBench<int>;)
|
||
|
|
|
||
|
|
struct Sk4fFloorBench : public Benchmark {
|
||
|
|
Sk4fFloorBench() {}
|
||
|
|
|
||
|
|
const char* onGetName() override { return "Sk4f_floor"; }
|
||
|
|
bool isSuitableFor(Backend backend) override { return backend == kNonRendering_Backend; }
|
||
|
|
|
||
|
|
void onDraw(int loops, SkCanvas* canvas) override {
|
||
|
|
Sk4f fs(1,2,3,4);
|
||
|
|
while (loops --> 0) {
|
||
|
|
fs = fs.floor();
|
||
|
|
}
|
||
|
|
fs.store((float*)blackhole);
|
||
|
|
}
|
||
|
|
};
|
||
|
|
DEF_BENCH(return new Sk4fFloorBench;)
|
||
|
|
|
||
|
|
struct Sk4fGradientBench : public Benchmark {
|
||
|
|
const char* onGetName() override { return "Sk4f_gradient"; }
|
||
|
|
bool isSuitableFor(Backend backend) override { return backend == kNonRendering_Backend; }
|
||
|
|
|
||
|
|
SkPMColor fDevice[100];
|
||
|
|
void onDraw(int loops, SkCanvas*) override {
|
||
|
|
Sk4f c0(0,0,255,255),
|
||
|
|
c1(255,0,0,255),
|
||
|
|
dc = c1 - c0,
|
||
|
|
fx(0.1f),
|
||
|
|
dx(0.002f),
|
||
|
|
dcdx(dc*dx),
|
||
|
|
dcdx4(dcdx+dcdx+dcdx+dcdx);
|
||
|
|
|
||
|
|
for (int n = 0; n < loops; n++) {
|
||
|
|
Sk4f a = c0 + dc*fx + Sk4f(0.5f), // add an extra 0.5f to get rounding for free.
|
||
|
|
b = a + dcdx,
|
||
|
|
c = b + dcdx,
|
||
|
|
d = c + dcdx;
|
||
|
|
for (size_t i = 0; i < SK_ARRAY_COUNT(fDevice); i += 4) {
|
||
|
|
Sk4f_ToBytes((uint8_t*)(fDevice+i), a, b, c, d);
|
||
|
|
a = a + dcdx4;
|
||
|
|
b = b + dcdx4;
|
||
|
|
c = c + dcdx4;
|
||
|
|
d = d + dcdx4;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
};
|
||
|
|
DEF_BENCH(return new Sk4fGradientBench;)
|