Mercurial > repos > blastem
diff render_sdl.c @ 338:5c34a9c39394
Re-enable frame limit, but add a command line flag to disable it
| author | Mike Pavone <pavone@retrodev.com> |
|---|---|
| date | Wed, 15 May 2013 22:37:25 -0700 |
| parents | 8e2fa485c0f2 |
| children | 80d934369fd5 |
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--- a/render_sdl.c Wed May 15 22:37:04 2013 -0700 +++ b/render_sdl.c Wed May 15 22:37:25 2013 -0700 @@ -232,7 +232,7 @@ #define MIN_DELAY 5 uint32_t frame_counter = 0; uint32_t start = 0; -int wait_render_frame(vdp_context * context) +int wait_render_frame(vdp_context * context, int frame_limit) { FILE * outfile; SDL_Event event; @@ -358,18 +358,20 @@ exit(0); } } - //TODO: Adjust frame delay so we actually get 60 FPS rather than 62.5 FPS - /*uint32_t current = SDL_GetTicks(); - uint32_t desired = last_frame + FRAME_DELAY; - if (current < desired) { - uint32_t delay = last_frame + FRAME_DELAY - current; - //TODO: Calculate MIN_DELAY at runtime - if (delay > MIN_DELAY) { - SDL_Delay((delay/MIN_DELAY)*MIN_DELAY); + if (frame_limit) { + //TODO: Adjust frame delay so we actually get 60 FPS rather than 62.5 FPS + uint32_t current = SDL_GetTicks(); + uint32_t desired = last_frame + FRAME_DELAY; + if (current < desired) { + uint32_t delay = last_frame + FRAME_DELAY - current; + //TODO: Calculate MIN_DELAY at runtime + if (delay > MIN_DELAY) { + SDL_Delay((delay/MIN_DELAY)*MIN_DELAY); + } + while ((desired) >= SDL_GetTicks()) { + } } - while ((desired) >= SDL_GetTicks()) { - } - }*/ + } render_context(context);