Support separate textures and samplers (#1216)

* Support separate textures and samplers

* Add missing bindless flag, fix SNORM format on buffer textures

* Add missing separation

* Add comments about the new handles

1 files changed, 16 insertions, 0 deletions

diff --git a/Ryujinx.Graphics.Gpu/Image/TextureManager.cs b/Ryujinx.Graphics.Gpu/Image/TextureManager.cs
index 600e2f5b..c0eeb068 100644
--- a/Ryujinx.Graphics.Gpu/Image/TextureManager.cs
+++ b/Ryujinx.Graphics.Gpu/Image/TextureManager.cs
@@ -773,6 +773,22 @@ namespace Ryujinx.Graphics.Gpu.Image
                 }
             }
 
+            if (info.Target == Target.TextureBuffer)
+            {
+                // We assume that the host does not support signed normalized format
+                // (as is the case with OpenGL), so we just use a unsigned format.
+                // The shader will need the appropriate conversion code to compensate.
+                switch (formatInfo.Format)
+                {
+                    case Format.R8Snorm:           formatInfo = new FormatInfo(Format.R8Sint,           1, 1, 1); break;
+                    case Format.R16Snorm:          formatInfo = new FormatInfo(Format.R16Sint,          1, 1, 2); break;
+                    case Format.R8G8Snorm:         formatInfo = new FormatInfo(Format.R8G8Sint,         1, 1, 2); break;
+                    case Format.R16G16Snorm:       formatInfo = new FormatInfo(Format.R16G16Sint,       1, 1, 4); break;
+                    case Format.R8G8B8A8Snorm:     formatInfo = new FormatInfo(Format.R8G8B8A8Sint,     1, 1, 4); break;
+                    case Format.R16G16B16A16Snorm: formatInfo = new FormatInfo(Format.R16G16B16A16Sint, 1, 1, 8); break;
+                }
+            }
+
             int width  = info.Width  / info.SamplesInX;
             int height = info.Height / info.SamplesInY;