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redo some syncronization stuff

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This commit is contained in:
Gregory Wells
2025-08-04 08:58:25 -04:00
parent 0d26f03dbb
commit 80fbb3e691
6 changed files with 24 additions and 16 deletions
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7
projects/apis/metal/src/presentation_queue/metal_presentation_queue.m
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@@ -32,6 +32,7 @@ gnReturnCode createMetalPresentationQueue(gnPresentationQueueHandle presentation
}
[textureDescriptor release];
presentationQueue->presentationQueue->neededImages = mtlImageNeededArrayListCreate();
return GN_SUCCESS;
}
@@ -45,18 +46,20 @@ void mtlTakeImageFromQueue(uint32_t* whereToPut, gnPresentationQueue queue, gnSe
}
void mtlAddImageBackToQueue(gnPresentationQueue queue, uint32_t index) {
uint32_tArrayListAdd(queue->presentationQueue->avaliableTextures, index);
if (mtlImageNeededArrayListCount(queue->presentationQueue->neededImages) > 0) {
mtlImageNeeded* needed = mtlImageNeededArrayListRefAt(queue->presentationQueue->neededImages, mtlImageNeededArrayListCount(queue->presentationQueue->neededImages) - 1);
mtlTakeImageFromQueue(needed->whereToPut, queue, needed->semaphoreToSignal);
mtlImageNeededArrayListRemove(queue->presentationQueue->neededImages);
}
else
else {
uint32_tArrayListAdd(queue->presentationQueue->avaliableTextures, index);
}
}
gnReturnCode getMetalPresentQueueImageAsync(gnPresentationQueueHandle presentationQueue, uint64_t timeout, gnSemaphore semaphore, uint32_t* imageIndex) {
time_t last_time = time(NULL);
while(uint32_tArrayListCount(presentationQueue->presentationQueue->avaliableTextures) == 0 || timeout >= 0) {
while(uint32_tArrayListCount(presentationQueue->presentationQueue->avaliableTextures) == 0 && timeout >= 0) {
time_t curr_time = time(NULL);
timeout -= (curr_time - last_time);
last_time = curr_time;

2
projects/apis/metal/src/submit/metal_submit.m
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@@ -28,7 +28,7 @@ gnReturnCode metalSyncSubmit(gnOutputDevice device, gnSubmitSyncInfo info) {
.message = gnCombineStrings(gnCreateString("Command buffer failed to run "), buffer.error.localizedDescription.UTF8String)
});
if (atomic_fetch_sub_explicit(&buffersLeft, 1, memory_order_acq_rel) == 1)
[fenceToSignal->fence->event setSignaledValue:fenceToSignal->fence->currentValue];
signalMetalFence(fenceToSignal);
}];
[commandBuffer commit];

1
projects/apis/metal/src/sync/fence/metal_fence.h
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@@ -10,5 +10,6 @@ typedef struct gnPlatformFence_t {
gnReturnCode createMetalFence(gnFence fence, gnDevice device);
void waitForMetalFence(gnFence fence, uint64_t timeout);
void signalMetalFence(gnFence fence);
void resetMetalFence(gnFence fence);
void destroyMetalFence(gnFence fence);

12
projects/apis/metal/src/sync/fence/metal_fence.m
View File

@@ -2,16 +2,20 @@
#include "devices/metal_output_devices.h"
gnReturnCode createMetalFence(gnFence fence, gnDevice device) {
if (device == GN_NULL_HANDLE) return GN_INVALID_HANDLE;
fence->fence = malloc(sizeof(gnPlatformFence));
fence->fence->event = [device->outputDevice->device newSharedEvent];
fence->fence->currentValue = 0;
fence->fence->event = [[device->outputDevice->device newSharedEvent] retain];
return GN_SUCCESS;
}
void waitForMetalFence(gnFence fence, uint64_t timeout) {
[fence->fence->event waitUntilSignaledValue:fence->fence->currentValue timeoutMS:timeout];
[fence->fence->event waitUntilSignaledValue:1 timeoutMS:timeout];
}
void signalMetalFence(gnFence fence) {
[fence->fence->event setSignaledValue:1];
}
void resetMetalFence(gnFence fence) {
fence->fence->currentValue++;
[fence->fence->event setSignaledValue:0];
}
void destroyMetalFence(gnFence fence) {
[fence->fence->event release];