How to render a semi transparant MTKView on macOS?
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I've got a Metal shader with an output of alpha 0.5 running fine on iOS, showing the underlying views. Tho on macOS is's not working. There's a black background, even tho the background of the MTKView's layer is set to clear..
I've noted that the MTKView's .isOpaque property is not settable on macOS, tho not sure if that is the problem as it's already set to false.
Is there another way to achieve transparacy?
macos alpha metal
asked Nov 15 '18 at 15:04
HexagonsHexagons
170316
add a comment |
I've got a Metal shader with an output of alpha 0.5 running fine on iOS, showing the underlying views. Tho on macOS is's not working. There's a black background, even tho the background of the MTKView's layer is set to clear..
I've noted that the MTKView's .isOpaque property is not settable on macOS, tho not sure if that is the problem as it's already set to false.
Is there another way to achieve transparacy?
macos alpha metal
asked Nov 15 '18 at 15:04
HexagonsHexagons
170316
add a comment |
I've got a Metal shader with an output of alpha 0.5 running fine on iOS, showing the underlying views. Tho on macOS is's not working. There's a black background, even tho the background of the MTKView's layer is set to clear..
I've noted that the MTKView's .isOpaque property is not settable on macOS, tho not sure if that is the problem as it's already set to false.
Is there another way to achieve transparacy?
macos alpha metal
asked Nov 15 '18 at 15:04
HexagonsHexagons
170316
I've got a Metal shader with an output of alpha 0.5 running fine on iOS, showing the underlying views. Tho on macOS is's not working. There's a black background, even tho the background of the MTKView's layer is set to clear..
I've noted that the MTKView's .isOpaque property is not settable on macOS, tho not sure if that is the problem as it's already set to false.
Is there another way to achieve transparacy?
macos alpha metal
macos alpha metal
asked Nov 15 '18 at 15:04
HexagonsHexagons
170316
asked Nov 15 '18 at 15:04
HexagonsHexagons
170316
asked Nov 15 '18 at 15:04
HexagonsHexagons
170316
asked Nov 15 '18 at 15:04
HexagonsHexagons
170316
asked Nov 15 '18 at 15:04
HexagonsHexagons
170316
170316
add a comment |
add a comment |
1 Answer
1
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You need to set the isOpaque property of the CAMetalLayer to false. There's a comment in the CAMetalLayer.h header file (Objective-C) that says:
/* Note: The default value of the `opaque' property for CAMetalLayer
* instances is true. */
answered Nov 15 '18 at 16:41
Ken ThomasesKen Thomases
72k673110
It worked! I'm porting an iOS framework to macOS (pre UIKit on Mac), not used to these properties being accessed though the layer and not the view. Thanks
– Hexagons
Nov 16 '18 at 14:11
add a comment |
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1 Answer
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1 Answer
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active
oldest
votes
active
oldest
votes
active
oldest
votes
You need to set the isOpaque property of the CAMetalLayer to false. There's a comment in the CAMetalLayer.h header file (Objective-C) that says:
/* Note: The default value of the `opaque' property for CAMetalLayer
* instances is true. */
answered Nov 15 '18 at 16:41
Ken ThomasesKen Thomases
72k673110
It worked! I'm porting an iOS framework to macOS (pre UIKit on Mac), not used to these properties being accessed though the layer and not the view. Thanks
– Hexagons
Nov 16 '18 at 14:11
add a comment |
You need to set the isOpaque property of the CAMetalLayer to false. There's a comment in the CAMetalLayer.h header file (Objective-C) that says:
/* Note: The default value of the `opaque' property for CAMetalLayer
* instances is true. */
answered Nov 15 '18 at 16:41
Ken ThomasesKen Thomases
72k673110
It worked! I'm porting an iOS framework to macOS (pre UIKit on Mac), not used to these properties being accessed though the layer and not the view. Thanks
– Hexagons
Nov 16 '18 at 14:11
add a comment |
You need to set the isOpaque property of the CAMetalLayer to false. There's a comment in the CAMetalLayer.h header file (Objective-C) that says:
/* Note: The default value of the `opaque' property for CAMetalLayer
* instances is true. */
answered Nov 15 '18 at 16:41
Ken ThomasesKen Thomases
72k673110
You need to set the isOpaque property of the CAMetalLayer to false. There's a comment in the CAMetalLayer.h header file (Objective-C) that says:
/* Note: The default value of the `opaque' property for CAMetalLayer
* instances is true. */
answered Nov 15 '18 at 16:41
Ken ThomasesKen Thomases
72k673110
answered Nov 15 '18 at 16:41
Ken ThomasesKen Thomases
72k673110
answered Nov 15 '18 at 16:41
Ken ThomasesKen Thomases
72k673110
answered Nov 15 '18 at 16:41
Ken ThomasesKen Thomases
72k673110
72k673110
It worked! I'm porting an iOS framework to macOS (pre UIKit on Mac), not used to these properties being accessed though the layer and not the view. Thanks
– Hexagons
Nov 16 '18 at 14:11
add a comment |
It worked! I'm porting an iOS framework to macOS (pre UIKit on Mac), not used to these properties being accessed though the layer and not the view. Thanks
– Hexagons
Nov 16 '18 at 14:11
It worked! I'm porting an iOS framework to macOS (pre UIKit on Mac), not used to these properties being accessed though the layer and not the view. Thanks
– Hexagons
Nov 16 '18 at 14:11
It worked! I'm porting an iOS framework to macOS (pre UIKit on Mac), not used to these properties being accessed though the layer and not the view. Thanks
– Hexagons
Nov 16 '18 at 14:11
add a comment |
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