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cocoaui: use setVertexBuffer and a ring buffer of buffers instead of …
…setVertexBytes and re-creating buffers on every frame
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,39 @@ | ||
| /* | ||
| DeaDBeeF -- the music player | ||
| Copyright (C) 2009-2024 Oleksiy Yakovenko and other contributors | ||
| This software is provided 'as-is', without any express or implied | ||
| warranty. In no event will the authors be held liable for any damages | ||
| arising from the use of this software. | ||
| Permission is granted to anyone to use this software for any purpose, | ||
| including commercial applications, and to alter it and redistribute it | ||
| freely, subject to the following restrictions: | ||
| 1. The origin of this software must not be misrepresented; you must not | ||
| claim that you wrote the original software. If you use this software | ||
| in a product, an acknowledgment in the product documentation would be | ||
| appreciated but is not required. | ||
| 2. Altered source versions must be plainly marked as such, and must not be | ||
| misrepresented as being the original software. | ||
| 3. This notice may not be removed or altered from any source distribution. | ||
| */ | ||
|
|
||
| #import <Foundation/Foundation.h> | ||
| #import <Metal/Metal.h> | ||
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| NS_ASSUME_NONNULL_BEGIN | ||
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| @interface MetalBufferLoop : NSObject | ||
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| + (instancetype)new NS_UNAVAILABLE; | ||
| - (instancetype)init NS_UNAVAILABLE; | ||
| - (instancetype)initWithMetalDevice:(id<MTLDevice>)device bufferCount:(NSUInteger)bufferCount NS_DESIGNATED_INITIALIZER; | ||
| - (id<MTLBuffer>)nextBufferForSize:(NSUInteger)size; | ||
| - (void)signalCompletion; | ||
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| @end | ||
|
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| NS_ASSUME_NONNULL_END |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,89 @@ | ||
| /* | ||
| DeaDBeeF -- the music player | ||
| Copyright (C) 2009-2024 Oleksiy Yakovenko and other contributors | ||
| This software is provided 'as-is', without any express or implied | ||
| warranty. In no event will the authors be held liable for any damages | ||
| arising from the use of this software. | ||
| Permission is granted to anyone to use this software for any purpose, | ||
| including commercial applications, and to alter it and redistribute it | ||
| freely, subject to the following restrictions: | ||
| 1. The origin of this software must not be misrepresented; you must not | ||
| claim that you wrote the original software. If you use this software | ||
| in a product, an acknowledgment in the product documentation would be | ||
| appreciated but is not required. | ||
| 2. Altered source versions must be plainly marked as such, and must not be | ||
| misrepresented as being the original software. | ||
| 3. This notice may not be removed or altered from any source distribution. | ||
| */ | ||
|
|
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| #import "MetalBufferLoop.h" | ||
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| @interface MetalBufferLoop() | ||
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| // Parameters | ||
| @property (nonatomic) id<MTLDevice> device; | ||
| @property (nonatomic) NSUInteger bufferCount; | ||
| @property (nonatomic) dispatch_semaphore_t semaphore; | ||
|
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| // State | ||
| @property (nonatomic) NSArray<id<MTLBuffer>> *buffers; | ||
| @property (nonatomic) NSUInteger currentBufferSize; | ||
| @property (nonatomic) NSUInteger currentBuffer; | ||
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| @end | ||
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| @implementation MetalBufferLoop | ||
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| - (instancetype)initWithMetalDevice:(id<MTLDevice>)device bufferCount:(NSUInteger)bufferCount { | ||
| self = [super init]; | ||
| if (self == nil) { | ||
| return nil; | ||
| } | ||
|
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| _device = device; | ||
| _bufferCount = bufferCount; | ||
| _semaphore = dispatch_semaphore_create(bufferCount); | ||
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| return self; | ||
| } | ||
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| - (void)ensureBufferSize:(NSUInteger)size { | ||
| if (size == self.currentBufferSize) { | ||
| return; | ||
| } | ||
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| self.currentBufferSize = size; | ||
| NSMutableArray<id<MTLBuffer>> *array = [[NSMutableArray alloc] initWithCapacity:self.bufferCount]; | ||
| for (NSUInteger i = 0; i < self.bufferCount; i++) { | ||
| [array addObject:[self.device newBufferWithLength:size options:MTLResourceStorageModeShared]]; | ||
| } | ||
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| self.buffers = array.copy; | ||
| } | ||
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| - (id<MTLBuffer>)nextBufferForSize:(NSUInteger)size { | ||
| dispatch_semaphore_wait(self.semaphore, DISPATCH_TIME_FOREVER); | ||
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| [self ensureBufferSize:size]; | ||
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| id<MTLBuffer> buffer = self.buffers[self.currentBuffer]; | ||
| self.currentBuffer += 1; | ||
| if (self.currentBuffer >= self.bufferCount) { | ||
| self.currentBuffer = 0; | ||
| } | ||
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| return buffer; | ||
| } | ||
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| - (void)signalCompletion { | ||
| dispatch_semaphore_signal(self.semaphore); | ||
| } | ||
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| @end |
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