florian/triangle_group_limit_set
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some timing info

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This commit is contained in:
Florian Stecker 2019-01-07 10:48:21 +01:00
parent e631dee661
commit 80957d590e
1 changed files with 8 additions and 4 deletions
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12
limit_set.c
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@ -611,7 +611,6 @@ int main()
DrawingContext *ctx = info->context; DrawingContext *ctx = info->context;
ctx->matrix.xx = 837.930824; ctx->matrix.xx = 837.930824;
ctx->matrix.xy = -712.651341; ctx->matrix.xy = -712.651341;
ctx->matrix.x0 = 180.427716; ctx->matrix.x0 = 180.427716;
@ -638,17 +637,22 @@ int main()
return 0; return 0;
else if(result == STATUS_REDRAW) { else if(result == STATUS_REDRAW) {
struct timeval current_time; struct timeval current_time;
double start_time, intermediate_time, end_time;
gettimeofday(&current_time, 0); gettimeofday(&current_time, 0);
double start_time = current_time.tv_sec + current_time.tv_usec*1e-6; start_time = current_time.tv_sec + current_time.tv_usec*1e-6;
updateDimensions(info->context); updateDimensions(info->context);
draw(info->context); draw(info->context);
gettimeofday(&current_time, 0);
intermediate_time = current_time.tv_sec + current_time.tv_usec*1e-6;
cairo_set_source_surface(info->front_context, info->buffer_surface, 0, 0); cairo_set_source_surface(info->front_context, info->buffer_surface, 0, 0);
cairo_paint(info->front_context); cairo_paint(info->front_context);
gettimeofday(&current_time, 0); gettimeofday(&current_time, 0);
double end_time = current_time.tv_sec + current_time.tv_usec*1e-6; end_time = current_time.tv_sec + current_time.tv_usec*1e-6;
printf("drawing finished in %g seconds\n", end_time - start_time); printf("drawing finished in %.2f milliseconds, of which %.2f milliseconds were buffer switching\n", (end_time - start_time) * 1000, (end_time - intermediate_time) * 1000);
} }
waitUpdateTimer(info); waitUpdateTimer(info);
} }