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/* SPDX-License-Identifier: Apache-2.0
* Copyright 2021-2022 Blender Foundation */
#pragma once
#ifdef WITH_METAL
# include <Metal/Metal.h>
# include <string>
# include "device/metal/device.h"
# include "device/metal/kernel.h"
# include "device/queue.h"
# include "util/thread.h"
# define metal_printf VLOG(4) << string_printf
CCL_NAMESPACE_BEGIN
enum MetalGPUVendor {
METAL_GPU_UNKNOWN = 0,
METAL_GPU_APPLE = 1,
METAL_GPU_AMD = 2,
METAL_GPU_INTEL = 3,
};
enum AppleGPUArchitecture {
APPLE_UNKNOWN,
APPLE_M1,
APPLE_M2,
};
/* Contains static Metal helper functions. */
struct MetalInfo {
static vector<id<MTLDevice>> const &get_usable_devices();
static int get_apple_gpu_core_count(id<MTLDevice> device);
static MetalGPUVendor get_device_vendor(id<MTLDevice> device);
static AppleGPUArchitecture get_apple_gpu_architecture(id<MTLDevice> device);
static int optimal_sort_partition_elements(id<MTLDevice> device);
static string get_device_name(id<MTLDevice> device);
};
/* Pool of MTLBuffers whose lifetime is linked to a single MTLCommandBuffer */
class MetalBufferPool {
struct MetalBufferListEntry {
MetalBufferListEntry(id<MTLBuffer> buffer, id<MTLCommandBuffer> command_buffer)
: buffer(buffer), command_buffer(command_buffer)
{
}
MetalBufferListEntry() = delete;
id<MTLBuffer> buffer;
id<MTLCommandBuffer> command_buffer;
};
std::vector<MetalBufferListEntry> buffer_free_list;
std::vector<MetalBufferListEntry> buffer_in_use_list;
thread_mutex buffer_mutex;
size_t total_temp_mem_size = 0;
public:
MetalBufferPool() = default;
~MetalBufferPool();
id<MTLBuffer> get_buffer(id<MTLDevice> device,
id<MTLCommandBuffer> command_buffer,
NSUInteger length,
MTLResourceOptions options,
const void *pointer,
Stats &stats);
void process_command_buffer_completion(id<MTLCommandBuffer> command_buffer);
};
CCL_NAMESPACE_END
#endif /* WITH_METAL */
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