private MTLTextureUsage TranslateUsage(MgImageUsageFlagBits flags)
{
MTLTextureUsage output = 0;
if ((flags & MgImageUsageFlagBits.COLOR_ATTACHMENT_BIT) == MgImageUsageFlagBits.COLOR_ATTACHMENT_BIT)
{
output |= MTLTextureUsage.RenderTarget;
}
if ((flags & MgImageUsageFlagBits.DEPTH_STENCIL_ATTACHMENT_BIT) == MgImageUsageFlagBits.DEPTH_STENCIL_ATTACHMENT_BIT)
{
output |= MTLTextureUsage.RenderTarget;
}
if ((flags & MgImageUsageFlagBits.TRANSFER_DST_BIT) == MgImageUsageFlagBits.TRANSFER_DST_BIT)
{
output |= MTLTextureUsage.Blit;
}
if ((flags & MgImageUsageFlagBits.TRANSFER_SRC_BIT) == MgImageUsageFlagBits.TRANSFER_SRC_BIT)
{
output |= MTLTextureUsage.PixelFormatView;
}
if ((flags & MgImageUsageFlagBits.SAMPLED_BIT) == MgImageUsageFlagBits.SAMPLED_BIT)
{
output |= MTLTextureUsage.ShaderRead;
}
if ((flags & MgImageUsageFlagBits.STORAGE_BIT) == MgImageUsageFlagBits.STORAGE_BIT)
{
output |= MTLTextureUsage.ShaderWrite;
}
return(output);
}
internal static MTLTextureUsage VdToMTLTextureUsage(TextureUsage usage)
{
MTLTextureUsage ret = MTLTextureUsage.Unknown;
if ((usage & TextureUsage.Sampled) == TextureUsage.Sampled)
{
ret |= MTLTextureUsage.ShaderRead;
}
if ((usage & TextureUsage.Storage) == TextureUsage.Storage)
{
ret |= MTLTextureUsage.ShaderWrite;
}
if ((usage & TextureUsage.DepthStencil) == TextureUsage.DepthStencil ||
(usage & TextureUsage.RenderTarget) == TextureUsage.RenderTarget)
{
ret |= MTLTextureUsage.RenderTarget;
}
return(ret);
}
