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[common] framebuffer: make use of framebuffer_wait

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This commit is contained in:
Geoffrey McRae 2021-06-08 16:10:34 +10:00
parent e87d2f1a20
commit d20e4d1de5
1 changed files with 2 additions and 13 deletions
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15
common/src/framebuffer.c
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@ -130,19 +130,8 @@ bool framebuffer_read_fn(const FrameBuffer * frame, size_t height, size_t width,
while(y < height) while(y < height)
{ {
uint_least32_t wp; if (!framebuffer_wait(frame, rp + linewidth))
int spinCount = 0; return false;
/* spinlock */
wp = atomic_load_explicit(&frame->wp, memory_order_acquire);
while(wp - rp < linewidth)
{
if (++spinCount == FB_SPIN_LIMIT)
return false;
usleep(1);
wp = atomic_load_explicit(&frame->wp, memory_order_acquire);
}
if (!fn(opaque, frame->data + rp, linewidth)) if (!fn(opaque, frame->data + rp, linewidth))
return false; return false;