comparison: src/context.c
src/context.c
- changeset 165
- 590a9e822b6b
- parent 154
- 4dff9cc488fe
equal
deleted
inserted
replaced
| 164:bc9d29ad6c60 | 165:590a9e822b6b |
|---|---|
| 196 break; | 196 break; |
| 197 } | 197 } |
| 198 } | 198 } |
| 199 | 199 |
| 200 // compute frame time | 200 // compute frame time |
| 201 // TODO: think about whether frame rate is actually a per-window thing | |
| 202 // the answer is hopefully NO, because that would mean behaviors are also a per-window thing | |
| 201 uint64_t frame_nanos, ns; | 203 uint64_t frame_nanos, ns; |
| 202 do { | 204 do { |
| 203 ns = asc_nanos(); | 205 ns = asc_nanos(); |
| 204 frame_nanos = ns - asc_context.total_nanos; | 206 frame_nanos = ns - asc_context.total_nanos; |
| 205 } while (frame_nanos == 0); | 207 } while (frame_nanos == 0); |
| 206 asc_context.frame_nanos = frame_nanos; | 208 asc_context.frame_nanos = frame_nanos; |
| 209 unsigned long long fps_1k = asc_seconds(1000) / frame_nanos; | |
| 210 asc_context.frame_rate = (float)fps_1k / 1000.f; | |
| 211 if (asc_context.frame_rate < 5) { | |
| 212 // effectively stop the world when the frame rate drops too low | |
| 213 asc_context.frame_factor = 0; | |
| 214 } else { | |
| 215 asc_context.frame_factor = 1.f / asc_context.frame_rate; | |
| 216 } | |
| 207 asc_context.total_nanos = ns; | 217 asc_context.total_nanos = ns; |
| 208 | 218 |
| 209 // sync the windows | 219 // sync the windows |
| 210 for (unsigned int i = 0 ; i < ASC_MAX_WINDOWS ; i++) { | 220 for (unsigned int i = 0 ; i < ASC_MAX_WINDOWS ; i++) { |
| 211 asc_window_sync(i); | 221 asc_window_sync(i); |
