From f2c85c5d58a0aeda5d5fe2d7a980cc7284330288 Mon Sep 17 00:00:00 2001
From: gdkchan <gab.dark.100@gmail.com>
Date: Wed, 11 Dec 2019 03:54:18 -0300
Subject: Support non-constant texture offsets on non-NVIDIA gpus

---
 Ryujinx.Graphics.OpenGL/HwCapabilities.cs | 16 ++++++++++++----
 Ryujinx.Graphics.OpenGL/Renderer.cs       |  1 +
 2 files changed, 13 insertions(+), 4 deletions(-)

(limited to 'Ryujinx.Graphics.OpenGL')

diff --git a/Ryujinx.Graphics.OpenGL/HwCapabilities.cs b/Ryujinx.Graphics.OpenGL/HwCapabilities.cs
index 7524dc1d..dc147484 100644
--- a/Ryujinx.Graphics.OpenGL/HwCapabilities.cs
+++ b/Ryujinx.Graphics.OpenGL/HwCapabilities.cs
@@ -11,11 +11,14 @@ namespace Ryujinx.Graphics.OpenGL
         private static Lazy<int> _maximumComputeSharedMemorySize = new Lazy<int>(() => GetLimit(All.MaxComputeSharedMemorySize));
         private static Lazy<int> _storageBufferOffsetAlignment   = new Lazy<int>(() => GetLimit(All.ShaderStorageBufferOffsetAlignment));
 
-        public static bool SupportsAstcCompression => _supportsAstcCompression.Value;
+        private static Lazy<bool> _isNvidiaDriver = new Lazy<bool>(() => IsNvidiaDriver());
 
-        public static int MaximumViewportDimensions      => _maximumViewportDimensions.Value;
-        public static int MaximumComputeSharedMemorySize => _maximumComputeSharedMemorySize.Value;
-        public static int StorageBufferOffsetAlignment   => _storageBufferOffsetAlignment.Value;
+        public static bool SupportsAstcCompression          => _supportsAstcCompression.Value;
+        public static bool SupportsNonConstantTextureOffset => _isNvidiaDriver.Value;
+
+        public static int  MaximumViewportDimensions      => _maximumViewportDimensions.Value;
+        public static int  MaximumComputeSharedMemorySize => _maximumComputeSharedMemorySize.Value;
+        public static int  StorageBufferOffsetAlignment   => _storageBufferOffsetAlignment.Value;
 
         private static bool HasExtension(string name)
         {
@@ -36,5 +39,10 @@ namespace Ryujinx.Graphics.OpenGL
         {
             return GL.GetInteger((GetPName)name);
         }
+
+        private static bool IsNvidiaDriver()
+        {
+            return GL.GetString(StringName.Vendor).Equals("NVIDIA Corporation");
+        }
     }
 }
\ No newline at end of file
diff --git a/Ryujinx.Graphics.OpenGL/Renderer.cs b/Ryujinx.Graphics.OpenGL/Renderer.cs
index eec3e320..ac16a37f 100644
--- a/Ryujinx.Graphics.OpenGL/Renderer.cs
+++ b/Ryujinx.Graphics.OpenGL/Renderer.cs
@@ -63,6 +63,7 @@ namespace Ryujinx.Graphics.OpenGL
         {
             return new Capabilities(
                 HwCapabilities.SupportsAstcCompression,
+                HwCapabilities.SupportsNonConstantTextureOffset,
                 HwCapabilities.MaximumViewportDimensions,
                 HwCapabilities.MaximumComputeSharedMemorySize,
                 HwCapabilities.StorageBufferOffsetAlignment);
-- 
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