Re: [PATCH v2 0/2] MR7938: Draft: winemac: Use IOSurface to update native window layers instead of CGImage.

[Brendan Shanks (＠bshanks)]

Brendan Shanks (@bshanks) commented about dlls/winemac.drv/surface.c:
> -    CGImageRelease(image);
> +    /* First only copy the RBG componenets from color_bits as it uses BGRX */
> +    {
> +        vImage_Buffer src = {
> +            .data = color_bits,
> +            .height = IOSurfaceGetHeight(io_surface),
> +            .width = IOSurfaceGetWidth(io_surface),
> +            .rowBytes = IOSurfaceGetBytesPerRow(io_surface),
> +        };
> +        vImage_Buffer dst = {
> +            .data = IOSurfaceGetBaseAddress(io_surface),
> +            .height = IOSurfaceGetHeight(io_surface),
> +            .width = IOSurfaceGetWidth(io_surface),
> +            .rowBytes = IOSurfaceGetBytesPerRow(io_surface),
> +        };
> +        vImageSelectChannels_ARGB8888(&src, &dst, &dst, 0x8 | 0x4 | 0x2, kvImageNoFlags);
> Need to unlock/lock `io_surface` around this call

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https://gitlab.winehq.org/wine/wine/-/merge_requests/7938#note_122158