Port advanced games to Apple platforms

// Build a residency set.

// Create a new residency set.
MTL::ResidencySet* residencySet;
residencySet = device->newResidencySet(residencySetDescriptor, &error);

// Add to main command queue.
commandQueue->addResidencySet(residencySet);

// Add allocations and commit changes.
residencySet->addAllocation(texture);
residencySet->addAllocation(buffer);
residencySet->addAllocation(heap);
residencySet->commit();
  
  // Use residency sets.

// Allocate and encode a command buffer.
MTL::CommandBuffer* commandBuffer = commandQueue->commandBuffer();

// ...

// The command queue marks residency for the set for this command buffer.
commandBuffer->commit();

// Upscale image with MetalFX.

mfxTemporalScaler->setColorTexture(currentFrameColor);
mfxTemporalScaler->setDepthTexture(currentFrameDepth);
mfxTemporalScaler->setMotionTexture(currentFrameMotion);
mfxTemporalScaler->setOutputTexture(currentFrameUpscaledColor);

mfxTemporalScaler->setJitterOffsetX(currentFrameJitter.x);
mfxTemporalScaler->setJitterOffsetY(currentFrameJitter.y);

mfxTemporalScaler->setReactiveMaskTexture(currentFrameReactiveMask);

mfxTemporalScaler->encodeToCommandBuffer(commandBuffer);

// Use the cloud save manager.

CloudSaveManager* cloudSaveManager =
    [[CloudSaveManager alloc] initWithCloudIdentifier:@"iCloud.com.mycompany.mygame"
                              saveDirectoryURL:[NSURL fileURLWithPath:@"/path/to/saves"]];

[cloudSaveManager syncWithCompletionHandler:^(BOOL conflictDetected, NSError *error) {
    // Handle conflicts or errors, for example, by presenting a choice.
}];

// Access and write saves
[cloudSaveManager uploadWithCompletionHandler:^(BOOL conflictDetected, NSError *error) {
    // Handle errors and conflicts or delay until the next sync.
}];