drinkingtea/nostalgia
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[nostalgia/core/sdl] Add disabled FPS logging

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This commit is contained in:
Gary Talent 2020-03-19 02:07:25 -05:00
parent aa1b5fa4cf
commit c45ec45457
1 changed files with 19 additions and 0 deletions
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19
src/nostalgia/core/sdl/gfx.cpp
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@ -8,6 +8,9 @@
#include <array>
#include <vector>
#ifdef NOST_FPS_PRINT
#include <iostream>
#endif
#include <SDL.h>
@ -150,7 +153,23 @@ void drawBackground(const TileMap &tm, SDL_Texture *tex) {
}
}
#ifdef NOST_FPS_PRINT
static uint64_t prevFpsCheckTime = 0;
static uint64_t draws = 0;
#endif
void draw() {
#ifdef NOST_FPS_PRINT
++draws;
if (draws >= 5000) {
using namespace std::chrono;
auto now = duration_cast<milliseconds>(system_clock::now().time_since_epoch()).count();
auto duration = static_cast<double>(now - prevFpsCheckTime) / 1000.0;
std::cout << "FPS: " << static_cast<int>(static_cast<double>(draws) / duration) << '\n';
prevFpsCheckTime = now;
draws = 0;
}
#endif
SDL_RenderClear(renderer);
for (std::size_t i = 0; i < bgTileMaps.size(); i++) {
auto tex = bgTextures[i];