AstralTech/Gryphn
0
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

redo metal fence model

Browse Source
This commit is contained in:
Gregory Wells
2025-08-03 17:49:45 -04:00
parent f331afb8e2
commit c114de2bc4
5 changed files with 31 additions and 34 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
projects/apis/metal/src/sync/fence/metal_fence.h
View File

@@ -3,10 +3,12 @@
#import <Metal/Metal.h>
#import <Metal/MTLEvent.h>
typedef struct gnPlatformFence_t {} gnPlatformFence;
typedef struct gnPlatformFence_t {
uint32_t currentValue;
id<MTLSharedEvent> event;
} gnPlatformFence;
gnReturnCode createMetalFence(gnFence fence, gnDevice device);
void singalMetalFence(gnFence fence);
void waitForMetalFence(gnFence fence, uint64_t timeout);
void resetMetalFence(gnFence fence);
void destroyMetalFence(gnFence fence);

30
projects/apis/metal/src/sync/fence/metal_fence.m
View File

@@ -1,33 +1,19 @@
#include "metal_fence.h"
#include "devices/metal_output_devices.h"
gnReturnCode createMetalFence(gnFence fence, struct gnOutputDevice_t* device) {
// fence->fence = malloc(sizeof(gnPlatformFence));
// fence->fence->fence = [device->outputDevice->device newSharedEvent];
// fence->fence->listener = [[MTLSharedEventListener alloc] init];
// fence->fence->semaphore = dispatch_semaphore_create(1);
gnReturnCode createMetalFence(gnFence fence, gnDevice device) {
fence->fence = malloc(sizeof(gnPlatformFence));
fence->fence->event = [device->outputDevice->device newSharedEvent];
fence->fence->currentValue = 0;
return GN_SUCCESS;
}
void singalMetalFence(gnFence fence) {
// dispatch_semaphore_signal(fence->fence->semaphore);
}
void waitForMetalFence(gnFence fence, uint64_t timeout) {
// dispatch_semaphore_wait(fence->fence->semaphore, timeout);
while (fence->signaled == GN_FALSE) {}
[fence->fence->event waitUntilSignaledValue:fence->fence->currentValue timeoutMS:timeout];
}
void resetMetalFence(gnFence fence) {
// dispatch_semaphore_signal(fence->fence->semaphore);
// [fence->fence->fence setSignaledValue:0];
// [fence->fence->fence notifyListener:fence->fence->listener
// atValue:1
// block:^(id<MTLSharedEvent> ev, uint64_t val) {
// dispatch_semaphore_signal(fence->fence->semaphore);
// }];
fence->fence->currentValue++;
}
void destroyMetalFence(gnFence fence) {
// [fence->fence->fence release];
// [fence->fence->listener release];
// free(fence->fence);
[fence->fence->event release];
free(fence->fence);
}