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metal sync extension

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This commit is contained in:
Greg Wells
2025-07-09 21:37:22 -04:00
parent 8d0b9ce8bd
commit 7d22da040a
14 changed files with 109 additions and 21 deletions
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47
projects/apis/metal/src/present/metal_present.m
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@@ -1,6 +1,53 @@
#include "metal_present.h"
#include <synchronization/commands/gryphn_sync_present.h>
gnReturnCode metalPresent(gnOutputDeviceHandle device, gnPresentInfo info) {
for (int i =0 ; i < info.presentationQueueCount; i++) {
info.presentationQueues[i]->info.surface->windowSurface->layer.device = device->outputDevice->device;
id<CAMetalDrawable> drawable = [info.presentationQueues[i]->info.surface->windowSurface->layer nextDrawable];
if (drawable == nil) return GN_FAILED_TO_CREATE_FRAMEBUFFER;
__block gnPresentationQueue presentationQueue = info.presentationQueues[i];
__block uint32_t imageIndex = info.imageIndices[i];
id<MTLCommandBuffer> commandBuffer = [device->outputDevice->transferQueue commandBuffer];
[commandBuffer addCompletedHandler:^(id<MTLCommandBuffer> buffer) {
uint32_tArrayListAdd(&presentationQueue->presentationQueue->avaliableTextures, imageIndex);
}];
id<MTLBlitCommandEncoder> blit = [commandBuffer blitCommandEncoder];
[blit copyFromTexture:info.presentationQueues[i]->images[info.imageIndices[i]]->texture->texture
sourceSlice:0
sourceLevel:0
sourceOrigin:(MTLOrigin){0, 0, 0}
sourceSize:(MTLSize){info.presentationQueues[i]->info.imageSize.x, info.presentationQueues[i]->info.imageSize.y, 1}
toTexture:drawable.texture
destinationSlice:0
destinationLevel:0
destinationOrigin:(MTLOrigin){0, 0, 0}];
[blit endEncoding];
[commandBuffer presentDrawable:drawable];
[commandBuffer commit];
device->outputDevice->executingCommandBuffer = commandBuffer;
}
[device->outputDevice->executingCommandBuffer waitUntilScheduled];
for (int i = 0; i < info.presentationQueueCount; i++) {
if (info.presentationQueues[i]->info.imageSize.x != info.presentationQueues[i]->info.surface->windowSurface->layer.drawableSize.width ||
info.presentationQueues[i]->info.imageSize.y != info.presentationQueues[i]->info.surface->windowSurface->layer.drawableSize.height) {
return GN_SUBOPTIMAL_PRESENTATION_QUEUE;
}
}
return GN_SUCCESS;
}
gnReturnCode metalPresentSync(gnOutputDeviceHandle device, gnPresentSyncInfo info) {
for (int i = 0; i < info.waitCount; i++) {
while (!info.waitSemaphores[i]->semaphore->eventTriggered) {}
}