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

Ryujinx.Graphics.Shader/CodeGen/Glsl/Declarations.cs

@@ -324,6 +324,10 @@ namespace Ryujinx.Graphics.Shader.CodeGen.Glsl
 
                 if (!images.TryAdd(imageName, texOp))
                 {
+                    // Ensure that all texture operations share the same format.
+                    // This avoid errors like mismatched formats.
+                    texOp.Format = images[imageName].Format;
+
                     continue;
                 }