Files
Gryphn/projects/apis/metal/src/present/metal_present.m
2025-08-03 15:44:09 -04:00

98 lines
4.6 KiB
Objective-C

#include "metal_present.h"
#include <synchronization/commands/gryphn_sync_present.h>
#include "time.h"
gnReturnCode metalPresent(gnOutputDeviceHandle device, gnPresentInfo info) {
for (uint32_t 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_UNKNOWN_ERROR;
__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) {
if (buffer == nil) return;
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];
[drawable texture];
[commandBuffer presentDrawable:drawable];
[commandBuffer commit];
device->outputDevice->executingCommandBuffer = commandBuffer;
}
[device->outputDevice->executingCommandBuffer waitUntilCompleted];
for (uint32_t 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 (uint32_t i = 0; i < info.presentationQueueCount; i++) {
if (info.presentationQueues[i]->info.surface->windowSurface->layer.device == nil) 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_UNKNOWN_ERROR;
__block gnPresentationQueue presentationQueue = info.presentationQueues[i];
__block uint32_t imageIndex = info.imageIndices[i];
id<MTLCommandBuffer> commandBuffer = [device->outputDevice->transferQueue commandBuffer];
for (uint32_t c = 0; c < info.waitCount; c++) mtlWaitSemaphore(info.waitSemaphores[c], commandBuffer);
[commandBuffer addCompletedHandler:^(id<MTLCommandBuffer> buffer) {
if (buffer == nil) return;
mtlAddImageBackToQueue(presentationQueue, 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;
}
for (uint32_t 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;
}