51 lines
1.4 KiB
C
51 lines
1.4 KiB
C
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#pragma once
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// we are still allowing to build with older sdk and run on simulator without metal support (pre MacOS 10.15)
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// it is expected to substitute Metal.h so we assume this is used only with objc
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#ifdef __cplusplus
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extern "C" typedef MTLDeviceRef (*MTLCreateSystemDefaultDeviceFunc)();
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#else
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typedef MTLDeviceRef (*MTLCreateSystemDefaultDeviceFunc)();
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#endif
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#if UNITY_CAN_USE_METAL
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#import <Metal/Metal.h>
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#import <QuartzCore/CAMetalLayer.h>
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#else
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// even if we cant use metal, we should be able to build it still: we need protocol declarations
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@interface CAMetalLayer : CALayer
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@property (readwrite) BOOL framebufferOnly;
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@property (readwrite) CGSize drawableSize;
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@property BOOL presentsWithTransaction;
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@property (readwrite, retain) id<MTLDevice> device;
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@property (readwrite) MTLPixelFormat pixelFormat;
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@property (readonly) id<MTLTexture> texture;
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- (id<CAMetalDrawable>)newDrawable;
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- (id<CAMetalDrawable>)nextDrawable;
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@end
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@protocol MTLDrawable
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@end
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@protocol CAMetalDrawable<MTLDrawable>
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@property (readonly) id<MTLTexture> texture;
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@end
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@protocol MTLDevice
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- (id<MTLCommandQueue>)newCommandQueue;
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- (id<MTLCommandQueue>)newCommandQueueWithMaxCommandBufferCount:(NSUInteger)maxCommandBufferCount;
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- (BOOL)supportsTextureSampleCount:(NSUInteger)sampleCount;
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@end
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@protocol MTLCommandBuffer
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- (void)presentDrawable:(id<MTLDrawable>)drawable;
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@end
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#endif
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