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static void
PushRect(rectangle RenderRegion)
{
uint32 Q = SDL_AtomicGet(&QueuedEntries);
render_entry *Entry = Entries + Q;
Entry->RenderRegion = RenderRegion;
SDL_AtomicAdd(&QueuedEntries, 1);
SDL_SemPost(Semaphore);
}
static void
RenderLayers(render_queue *RenderInfo, rectangle RenderRegion);
static bool32
CheckQueue(render_queue RenderInfo, uint16 Index)
{
bool32 Result = 0;
uint32 Q = SDL_AtomicGet(&QueuedEntries);
uint32 C = SDL_AtomicGet(&CurrentEntry);
if (Q > C)
{
if (SDL_AtomicCAS(&CurrentEntry, C, C + 1)) {
render_entry *Entry = Entries + C;
Assert(Entry->RenderRegion.Max.x != 0);
RenderLayers(&RenderInfo, Entry->RenderRegion);
// printf("(FINISHED) Thread %i, region X%i Y%i\n", Index, Entry->RenderRegion.Min.x/240, Entry->RenderRegion.Min.y/135);
SDL_AtomicAdd(&CompletedEntries, 1);
Result = 1;
}
}
return Result;
}
static int
TestThread(void *ptr)
{
thread_info *ThreadInfo = (thread_info *)ptr;
uint16 Index = ThreadInfo->Index;
for(;;)
{
if (!CheckQueue(*ThreadInfo->RenderInfo, Index))
{
SDL_SemWait(Semaphore);
}
}
}
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