mirror of
https://github.com/RetroDECK/ES-DE.git
synced 2024-12-11 23:15:39 +00:00
161 lines
4.8 KiB
C++
161 lines
4.8 KiB
C++
|
#include <memory>
|
||
|
#include <vector>
|
||
|
#include <dirent.h>
|
||
|
#include <algorithm>
|
||
|
#include <chrono>
|
||
|
#include <iostream>
|
||
|
#include <cstring>
|
||
|
|
||
|
#include <rlottie.h>
|
||
|
|
||
|
static bool isJsonFile(const char *filename) {
|
||
|
const char *dot = strrchr(filename, '.');
|
||
|
if(!dot || dot == filename) return false;
|
||
|
return !strcmp(dot + 1, "json");
|
||
|
}
|
||
|
|
||
|
static std::vector<std::string>
|
||
|
jsonFiles(const std::string &dirName)
|
||
|
{
|
||
|
DIR *d;
|
||
|
struct dirent *dir;
|
||
|
std::vector<std::string> result;
|
||
|
d = opendir(dirName.c_str());
|
||
|
if (d) {
|
||
|
while ((dir = readdir(d)) != NULL) {
|
||
|
if (isJsonFile(dir->d_name))
|
||
|
result.push_back(dirName + dir->d_name);
|
||
|
}
|
||
|
closedir(d);
|
||
|
}
|
||
|
|
||
|
std::sort(result.begin(), result.end(), [](auto & a, auto &b){return a < b;});
|
||
|
|
||
|
return result;
|
||
|
}
|
||
|
|
||
|
class Renderer
|
||
|
{
|
||
|
public:
|
||
|
explicit Renderer(const std::string& filename)
|
||
|
{
|
||
|
_animation = rlottie::Animation::loadFromFile(filename);
|
||
|
_frames = _animation->totalFrame();
|
||
|
_buffer = std::make_unique<uint32_t[]>(100 * 100);
|
||
|
_surface = rlottie::Surface(_buffer.get(), 100, 100, 100 * 4);
|
||
|
}
|
||
|
void render()
|
||
|
{
|
||
|
if (_cur >= _frames) _cur = 0;
|
||
|
_animation->renderSync(_cur++, _surface);
|
||
|
}
|
||
|
void renderAsync()
|
||
|
{
|
||
|
if (_cur >= _frames) _cur = 0;
|
||
|
_future = _animation->render(_cur++, _surface);
|
||
|
}
|
||
|
void get()
|
||
|
{
|
||
|
if (_future.valid()) _future.get();
|
||
|
}
|
||
|
private:
|
||
|
std::unique_ptr<uint32_t[]> _buffer;
|
||
|
std::unique_ptr<rlottie::Animation> _animation;
|
||
|
size_t _frames{0};
|
||
|
size_t _cur{0};
|
||
|
rlottie::Surface _surface;
|
||
|
std::future<rlottie::Surface> _future;
|
||
|
};
|
||
|
|
||
|
class PerfTest
|
||
|
{
|
||
|
public:
|
||
|
explicit PerfTest(size_t resourceCount, size_t iterations):
|
||
|
_resourceCount(resourceCount), _iterations(iterations)
|
||
|
{
|
||
|
_resourceList = jsonFiles(std::string(DEMO_DIR));
|
||
|
}
|
||
|
void test(bool async)
|
||
|
{
|
||
|
setup();
|
||
|
std::cout<<" Test Started : .... \n";
|
||
|
auto start = std::chrono::high_resolution_clock::now();
|
||
|
benchmark(async);
|
||
|
std::chrono::duration<double> secs = std::chrono::high_resolution_clock::now() - start;
|
||
|
std::chrono::duration<double, std::milli> millisecs = secs;
|
||
|
std::cout<< " Test Finished.\n";
|
||
|
std::cout<< " \nPerformance Report: \n\n";
|
||
|
std::cout<< " \t Resource Rendered per Frame : "<< _resourceCount <<"\n";
|
||
|
std::cout<< " \t Render Buffer Size : (100 X 100) \n";
|
||
|
std::cout<< " \t Render Mode : "<< (async ? "Async" : "Sync")<<"\n";
|
||
|
std::cout<< " \t Total Frames Rendered : "<< _iterations<<"\n";
|
||
|
std::cout<< " \t Total Render Time : "<< secs.count()<<"sec\n";
|
||
|
std::cout<< " \t Avrage Time per Resource : "<< millisecs.count() / (_iterations * _resourceCount)<<"ms\n";
|
||
|
std::cout<< " \t Avrage Time Per Frame : "<< millisecs.count() / _iterations <<"ms\n";
|
||
|
std::cout<< " \t FPS : "<< _iterations / secs.count() <<"fps\n\n";
|
||
|
}
|
||
|
private:
|
||
|
void setup()
|
||
|
{
|
||
|
for (auto i = 0u; i < _resourceCount; i++) {
|
||
|
auto index = i % _resourceList.size();
|
||
|
_renderers.push_back(std::make_unique<Renderer>(_resourceList[index]));
|
||
|
}
|
||
|
}
|
||
|
|
||
|
void benchmark(bool async)
|
||
|
{
|
||
|
for (auto i = 0u; i < _iterations; i++) {
|
||
|
if (async) {
|
||
|
for (const auto &e : _renderers) e->renderAsync();
|
||
|
for (const auto &e : _renderers) e->get();
|
||
|
} else {
|
||
|
for (const auto &e : _renderers) e->render();
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
private:
|
||
|
size_t _resourceCount;
|
||
|
size_t _iterations;
|
||
|
|
||
|
std::vector<std::string> _resourceList;
|
||
|
std::vector<std::unique_ptr<Renderer>> _renderers;
|
||
|
};
|
||
|
|
||
|
static int help()
|
||
|
{
|
||
|
std::cout<<"\nUsage : ./perf [--sync] [-c] [resource count] [-i] [iteration count] \n";
|
||
|
std::cout<<"\nExample : ./perf -c 50 -i 100 \n";
|
||
|
std::cout<<"\n\t runs perf test for 100 iterations. renders 50 resource per iteration\n\n";
|
||
|
return 0;
|
||
|
}
|
||
|
int
|
||
|
main(int argc, char ** argv)
|
||
|
{
|
||
|
bool async = true;
|
||
|
size_t resourceCount = 250;
|
||
|
size_t iterations = 500;
|
||
|
auto index = 0;
|
||
|
|
||
|
while (index < argc) {
|
||
|
const char* option = argv[index];
|
||
|
index++;
|
||
|
if (!strcmp(option,"--help") || !strcmp(option,"-h")) {
|
||
|
return help();
|
||
|
} else if (!strcmp(option,"--sync")) {
|
||
|
async = false;
|
||
|
} else if (!strcmp(option,"-c")) {
|
||
|
resourceCount = (index < argc) ? atoi(argv[index]) : resourceCount;
|
||
|
index++;
|
||
|
} else if (!strcmp(option,"-i")) {
|
||
|
iterations = (index < argc) ? atoi(argv[index]) : iterations;
|
||
|
index++;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
PerfTest obj(resourceCount, iterations);
|
||
|
obj.test(async);
|
||
|
return 0;
|
||
|
}
|