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draw a bar representing fps*10 on top of the screen in debug print mode

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This commit is contained in:
Tim Felgentreff 2020-04-19 22:59:56 +02:00
parent 6982abfba1
commit 24941b6a5d
1 changed files with 11 additions and 1 deletions

12
src/video/sdl.cpp
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@ -344,7 +344,7 @@ void InitVideoSdl()
exit(1);
}
if (!TheRenderer) TheRenderer = SDL_CreateRenderer(TheWindow, -1, 0);
SDL_SetRenderDrawColor(TheRenderer, 0, 0, 0, 255);
SDL_SetRenderDrawColor(TheRenderer, 255, 0, 0, 255);
Video.ResizeScreen(Video.Width, Video.Height);
SDL_SetHint(SDL_HINT_RENDER_SCALE_QUALITY, "0");
@ -642,6 +642,9 @@ void WaitEventsOneFrame()
/**
** Realize video memory.
*/
static Uint32 LastTick = 0;
void RealizeVideoMemory()
{
if (NumRects) {
@ -651,6 +654,13 @@ void RealizeVideoMemory()
//for (int i = 0; i < NumRects; i++)
// SDL_UpdateTexture(TheTexture, &Rects[i], TheScreen->pixels, TheScreen->pitch);
SDL_RenderCopy(TheRenderer, TheTexture, NULL, NULL);
if (EnableDebugPrint) {
// show a bar representing fps scaled by 10
Uint32 nextTick = SDL_GetTicks();
double fps = 10000.0 / (nextTick - LastTick);
SDL_RenderDrawLine(TheRenderer, 0, 0, floorl(fps), 0);
LastTick = nextTick;
}
SDL_RenderPresent(TheRenderer);
NumRects = 0;
}