Mercurial > repos > blastem
comparison render_sdl.c @ 1979:06c25babe464
Don't hold frame queue mutex while rendering
| author | Michael Pavone <pavone@retrodev.com> |
|---|---|
| date | Sat, 09 May 2020 21:37:35 -0700 |
| parents | 33d5b9b77aef |
| children | 81df9aa2de9b |
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| 1978:33d5b9b77aef | 1979:06c25babe464 |
|---|---|
| 1707 while (!frame_queue_len) | 1707 while (!frame_queue_len) |
| 1708 { | 1708 { |
| 1709 SDL_CondWait(frame_ready, frame_mutex); | 1709 SDL_CondWait(frame_ready, frame_mutex); |
| 1710 } | 1710 } |
| 1711 for (int i = 0; i < frame_queue_len; i++) | 1711 for (int i = 0; i < frame_queue_len; i++) |
| 1712 while (frame_queue_len) | |
| 1712 { | 1713 { |
| 1713 frame f = frame_queue[frame_queue_read++]; | 1714 frame f = frame_queue[frame_queue_read++]; |
| 1714 frame_queue_read &= 0x3; | 1715 frame_queue_read &= 0x3; |
| 1716 frame_queue_len--; | |
| 1717 SDL_UnlockMutex(frame_mutex); | |
| 1715 process_framebuffer(f.buffer, f.which, f.width); | 1718 process_framebuffer(f.buffer, f.which, f.width); |
| 1716 release_buffer(f.buffer); | 1719 release_buffer(f.buffer); |
| 1717 } | 1720 SDL_LockMutex(frame_mutex); |
| 1718 frame_queue_len = 0; | 1721 } |
| 1719 } | 1722 } |
| 1720 | 1723 |
| 1721 SDL_UnlockMutex(frame_mutex); | 1724 SDL_UnlockMutex(frame_mutex); |
| 1722 } | 1725 } |
| 1723 | 1726 |