Add seamless cubemap flag in sampler parameters. (#1658)

* Add seamless cubemap flag in sampler parameters.

* Check for the extension

2 files changed, 16 insertions, 9 deletions

diff --git a/Ryujinx.Graphics.OpenGL/HwCapabilities.cs b/Ryujinx.Graphics.OpenGL/HwCapabilities.cs
index 9278c59e..b0d9a71e 100644
--- a/Ryujinx.Graphics.OpenGL/HwCapabilities.cs
+++ b/Ryujinx.Graphics.OpenGL/HwCapabilities.cs
@@ -5,10 +5,11 @@ namespace Ryujinx.Graphics.OpenGL
 {
     static class HwCapabilities
     {
-        private static readonly Lazy<bool> _supportsAstcCompression    = new Lazy<bool>(() => HasExtension("GL_KHR_texture_compression_astc_ldr"));
-        private static readonly Lazy<bool> _supportsImageLoadFormatted = new Lazy<bool>(() => HasExtension("GL_EXT_shader_image_load_formatted"));
-        private static readonly Lazy<bool> _supportsPolygonOffsetClamp = new Lazy<bool>(() => HasExtension("GL_EXT_polygon_offset_clamp"));
-        private static readonly Lazy<bool> _supportsViewportSwizzle    = new Lazy<bool>(() => HasExtension("GL_NV_viewport_swizzle"));
+        private static readonly Lazy<bool> _supportsAstcCompression           = new Lazy<bool>(() => HasExtension("GL_KHR_texture_compression_astc_ldr"));
+        private static readonly Lazy<bool> _supportsImageLoadFormatted        = new Lazy<bool>(() => HasExtension("GL_EXT_shader_image_load_formatted"));
+        private static readonly Lazy<bool> _supportsPolygonOffsetClamp        = new Lazy<bool>(() => HasExtension("GL_EXT_polygon_offset_clamp"));
+        private static readonly Lazy<bool> _supportsViewportSwizzle           = new Lazy<bool>(() => HasExtension("GL_NV_viewport_swizzle"));
+        private static readonly Lazy<bool> _supportsSeamlessCubemapPerTexture = new Lazy<bool>(() => HasExtension("GL_ARB_seamless_cubemap_per_texture"));
 
         private static readonly Lazy<int> _maximumComputeSharedMemorySize = new Lazy<int>(() => GetLimit(All.MaxComputeSharedMemorySize));
         private static readonly Lazy<int> _storageBufferOffsetAlignment   = new Lazy<int>(() => GetLimit(All.ShaderStorageBufferOffsetAlignment));
@@ -27,11 +28,12 @@ namespace Ryujinx.Graphics.OpenGL
 
         private static Lazy<float> _maxSupportedAnisotropy = new Lazy<float>(GL.GetFloat((GetPName)All.MaxTextureMaxAnisotropy));
 
-        public static bool SupportsAstcCompression          => _supportsAstcCompression.Value;
-        public static bool SupportsImageLoadFormatted       => _supportsImageLoadFormatted.Value;
-        public static bool SupportsPolygonOffsetClamp       => _supportsPolygonOffsetClamp.Value;
-        public static bool SupportsViewportSwizzle          => _supportsViewportSwizzle.Value;
-        public static bool SupportsNonConstantTextureOffset => _gpuVendor.Value == GpuVendor.Nvidia;
+        public static bool SupportsAstcCompression           => _supportsAstcCompression.Value;
+        public static bool SupportsImageLoadFormatted        => _supportsImageLoadFormatted.Value;
+        public static bool SupportsPolygonOffsetClamp        => _supportsPolygonOffsetClamp.Value;
+        public static bool SupportsViewportSwizzle           => _supportsViewportSwizzle.Value;
+        public static bool SupportsSeamlessCubemapPerTexture => _supportsSeamlessCubemapPerTexture.Value;
+        public static bool SupportsNonConstantTextureOffset  => _gpuVendor.Value == GpuVendor.Nvidia;
 
         public static int MaximumComputeSharedMemorySize => _maximumComputeSharedMemorySize.Value;
         public static int StorageBufferOffsetAlignment   => _storageBufferOffsetAlignment.Value;
diff --git a/Ryujinx.Graphics.OpenGL/Image/Sampler.cs b/Ryujinx.Graphics.OpenGL/Image/Sampler.cs
index e13f0da3..f705aa3e 100644
--- a/Ryujinx.Graphics.OpenGL/Image/Sampler.cs
+++ b/Ryujinx.Graphics.OpenGL/Image/Sampler.cs
@@ -14,6 +14,11 @@ namespace Ryujinx.Graphics.OpenGL.Image
             GL.SamplerParameter(Handle, SamplerParameterName.TextureMinFilter, (int)info.MinFilter.Convert());
             GL.SamplerParameter(Handle, SamplerParameterName.TextureMagFilter, (int)info.MagFilter.Convert());
 
+            if (HwCapabilities.SupportsSeamlessCubemapPerTexture)
+            {
+                GL.SamplerParameter(Handle, (SamplerParameterName)ArbSeamlessCubemapPerTexture.TextureCubeMapSeamless, info.SeamlessCubemap ? 1 : 0);
+            }
+
             GL.SamplerParameter(Handle, SamplerParameterName.TextureWrapS, (int)info.AddressU.Convert());
             GL.SamplerParameter(Handle, SamplerParameterName.TextureWrapT, (int)info.AddressV.Convert());
             GL.SamplerParameter(Handle, SamplerParameterName.TextureWrapR, (int)info.AddressP.Convert());