private static bool CheckGraphicsPlatform(PlatformType platform, PreferredGraphicsPlatform preferredGraphicsPlatform)
{
switch (platform)
{
case PlatformType.Shared:
return(false);
case PlatformType.UWP:
return(preferredGraphicsPlatform == PreferredGraphicsPlatform.Direct3D11);
case PlatformType.Windows:
return(preferredGraphicsPlatform == PreferredGraphicsPlatform.Direct3D11 ||
preferredGraphicsPlatform == PreferredGraphicsPlatform.Direct3D12 ||
preferredGraphicsPlatform == PreferredGraphicsPlatform.OpenGL ||
preferredGraphicsPlatform == PreferredGraphicsPlatform.OpenGLES ||
preferredGraphicsPlatform == PreferredGraphicsPlatform.Vulkan);
case PlatformType.Android:
return(preferredGraphicsPlatform == PreferredGraphicsPlatform.OpenGLES ||
preferredGraphicsPlatform == PreferredGraphicsPlatform.Vulkan);
case PlatformType.iOS:
return(preferredGraphicsPlatform == PreferredGraphicsPlatform.OpenGLES);
case PlatformType.macOS:
return(preferredGraphicsPlatform == PreferredGraphicsPlatform.OpenGL);
case PlatformType.Linux:
return(preferredGraphicsPlatform == PreferredGraphicsPlatform.OpenGL ||
preferredGraphicsPlatform == PreferredGraphicsPlatform.Vulkan);
default:
throw new ArgumentOutOfRangeException(nameof(platform), platform, null);
}
}
public static GraphicsPlatform GetGraphicsPlatform(PlatformType platform, PreferredGraphicsPlatform preferredGraphicsPlatform)
{
//revert to default if platforms are not compatible
if (!CheckGraphicsPlatform(platform, preferredGraphicsPlatform))
{
return(GetDefaultGraphicsPlatform(platform));
}
GraphicsPlatform graphicsPlatform;
switch (preferredGraphicsPlatform)
{
case PreferredGraphicsPlatform.Default:
graphicsPlatform = GetDefaultGraphicsPlatform(platform);
break;
case PreferredGraphicsPlatform.Direct3D11:
graphicsPlatform = GraphicsPlatform.Direct3D11;
break;
case PreferredGraphicsPlatform.Direct3D12:
graphicsPlatform = GraphicsPlatform.Direct3D12;
break;
case PreferredGraphicsPlatform.OpenGL:
graphicsPlatform = GraphicsPlatform.OpenGL;
break;
case PreferredGraphicsPlatform.OpenGLES:
graphicsPlatform = GraphicsPlatform.OpenGLES;
break;
case PreferredGraphicsPlatform.Vulkan:
graphicsPlatform = GraphicsPlatform.Vulkan;
break;
default:
throw new ArgumentOutOfRangeException();
}
return(graphicsPlatform);
}
public static GraphicsPlatform GetGraphicsPlatform(PlatformType platform, PreferredGraphicsPlatform preferredGraphicsPlatform)
{
//revert to default if platforms are not compatible
if (!CheckGraphicsPlatform(platform, preferredGraphicsPlatform))
{
return GetDefaultGraphicsPlatform(platform);
}
GraphicsPlatform graphicsPlatform;
switch (preferredGraphicsPlatform)
{
case PreferredGraphicsPlatform.Default:
graphicsPlatform = GetDefaultGraphicsPlatform(platform);
break;
case PreferredGraphicsPlatform.Direct3D11:
graphicsPlatform = GraphicsPlatform.Direct3D11;
break;
case PreferredGraphicsPlatform.Direct3D12:
graphicsPlatform = GraphicsPlatform.Direct3D12;
break;
case PreferredGraphicsPlatform.OpenGL:
graphicsPlatform = GraphicsPlatform.OpenGL;
break;
case PreferredGraphicsPlatform.OpenGLES:
graphicsPlatform = GraphicsPlatform.OpenGLES;
break;
case PreferredGraphicsPlatform.Vulkan:
graphicsPlatform = GraphicsPlatform.Vulkan;
break;
default:
throw new ArgumentOutOfRangeException();
}
return graphicsPlatform;
}
private static bool CheckGraphicsPlatform(PlatformType platform, PreferredGraphicsPlatform preferredGraphicsPlatform)
{
switch (platform)
{
case PlatformType.Shared:
return false;
case PlatformType.UWP:
return preferredGraphicsPlatform == PreferredGraphicsPlatform.Direct3D11;
case PlatformType.Windows:
return preferredGraphicsPlatform == PreferredGraphicsPlatform.Direct3D11
|| preferredGraphicsPlatform == PreferredGraphicsPlatform.Direct3D12
|| preferredGraphicsPlatform == PreferredGraphicsPlatform.OpenGL
|| preferredGraphicsPlatform == PreferredGraphicsPlatform.OpenGLES
|| preferredGraphicsPlatform == PreferredGraphicsPlatform.Vulkan;
case PlatformType.Android:
return preferredGraphicsPlatform == PreferredGraphicsPlatform.OpenGLES
|| preferredGraphicsPlatform == PreferredGraphicsPlatform.Vulkan;
case PlatformType.iOS:
return preferredGraphicsPlatform == PreferredGraphicsPlatform.OpenGLES;
case PlatformType.macOS:
return preferredGraphicsPlatform == PreferredGraphicsPlatform.OpenGL;
case PlatformType.Linux:
return preferredGraphicsPlatform == PreferredGraphicsPlatform.OpenGL
|| preferredGraphicsPlatform == PreferredGraphicsPlatform.Vulkan;
default:
throw new ArgumentOutOfRangeException(nameof(platform), platform, null);
}
}