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redo semaphore impl on metal

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This commit is contained in:
Greg Wells
2025-07-11 17:08:28 -04:00
parent 2def510f69
commit 8445c0553b
5 changed files with 71 additions and 57 deletions
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28
projects/apis/metal/src/submit/metal_submit.m
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@@ -2,29 +2,27 @@
#include "synchronization/fence/gryphn_fence.h"
#include "stdio.h"
#include "time.h"
gnReturnCode metalSyncSubmit(gnOutputDevice device, gnSubmitSyncInfo info) {
clock_t begin = clock();
for (int i = 0; i < info.waitCount; i++) {
while (!info.waitSemaphores[i]->semaphore->eventTriggered) {}
}
clock_t end = clock();
double time_spent = (double)(end - begin) / CLOCKS_PER_SEC;
printf("time spent waiting for image in submit: %lf\n", time_spent);
__block gnSemaphore* semsToSignal = info.signalSemaphores;
__block int semsToSignalCount = info.signalCount;
__block gnFence fenceToSignal = info.fence;
__block atomic_int buffersLeft;
atomic_init(&buffersLeft, info.commandBufferCount);
for (int i = 0; i < info.commandBufferCount; i++) {
id <MTLCommandBuffer> buffer = [info.commandBuffers[i]->commandPool->commandPool->commandQueue commandBuffer];
for (int c = 0; c < info.waitCount; c++)
mtlWaitSemaphore(info.waitSemaphores[c], buffer);
[buffer commit];
id<MTLCommandBuffer> commandBuffer = info.commandBuffers[i]->commandBuffer->commandBuffer;
for (int c = 0; c < info.signalCount; c++)
mtlSignalSemaphore(info.signalSemaphores[c], commandBuffer);
[info.commandBuffers[i]->commandBuffer->commandBuffer addCompletedHandler:^(id<MTLCommandBuffer> buffer) {
for (int c = 0; c < semsToSignalCount; c++) {
semsToSignal[c]->semaphore->eventTriggered = gnTrue;
if (atomic_fetch_sub_explicit(&buffersLeft, 1, memory_order_acq_rel) == 1) {
fenceToSignal->signaled = gnTrue;
}
fenceToSignal->signaled = gnTrue;
}];
[commandBuffer commit];