ryujinx/Ryujinx.Graphics.OpenGL/HwCapabilities.cs

36 lines
1.1 KiB
C#

using OpenTK.Graphics.OpenGL;
using System;
namespace Ryujinx.Graphics.OpenGL
{
static class HwCapabilities
{
private static Lazy<bool> _supportsAstcCompression = new Lazy<bool>(() => HasExtension("GL_KHR_texture_compression_astc_ldr"));
private static Lazy<int> _storageBufferOffsetAlignment = new Lazy<int>(() => GetLimit(All.ShaderStorageBufferOffsetAlignment));
public static bool SupportsAstcCompression => _supportsAstcCompression.Value;
public static int StorageBufferOffsetAlignment => _storageBufferOffsetAlignment.Value;
private static bool HasExtension(string name)
{
int numExtensions = GL.GetInteger(GetPName.NumExtensions);
for (int extension = 0; extension < numExtensions; extension++)
{
if (GL.GetString(StringNameIndexed.Extensions, extension) == name)
{
return true;
}
}
return false;
}
private static int GetLimit(All name)
{
return GL.GetInteger((GetPName)name);
}
}
}