56 lines
2.0 KiB
Objective-C
56 lines
2.0 KiB
Objective-C
// Copyright 2019 The MediaPipe Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef MEDIAPIPE_GPU_MPP_METAL_UTIL_H_
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#define MEDIAPIPE_GPU_MPP_METAL_UTIL_H_
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#import <CoreVideo/CVMetalTextureCache.h>
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#import <CoreVideo/CoreVideo.h>
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#import <Metal/Metal.h>
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NS_ASSUME_NONNULL_BEGIN
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@interface MPPMetalUtil : NSObject {
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}
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/// Copies a Metal Buffer from source to destination.
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/// Uses blitCommandEncoder and assumes offset of 0.
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+ (void)blitMetalBufferTo:(id<MTLBuffer>)destination
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from:(id<MTLBuffer>)source
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blocking:(bool)blocking
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commandBuffer:(id<MTLCommandBuffer>)commandBuffer;
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/// Copies a Metal Buffer from source to destination.
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/// Simple wrapper for blitCommandEncoder.
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/// Optionally block until operation is completed.
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+ (void)blitMetalBufferTo:(id<MTLBuffer>)destination
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destinationOffset:(int)destinationOffset
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from:(id<MTLBuffer>)source
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sourceOffset:(int)sourceOffset
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bytes:(size_t)bytes
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blocking:(bool)blocking
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commandBuffer:(id<MTLCommandBuffer>)commandBuffer;
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/// Commits the command buffer and waits until execution completes. This is
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/// functionally equivalent to calling commit and waitUntilCompleted on the
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/// command buffer, but may use different synchronization strategies, such as
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/// active wait.
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+ (void)commitCommandBufferAndWait:(id<MTLCommandBuffer>)commandBuffer;
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@end
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NS_ASSUME_NONNULL_END
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#endif // MEDIAPIPE_GPU_MPP_METAL_UTIL_H_
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