Fix value of constant vertex attributes (#2307)

Ryujinx.Graphics.OpenGL/VertexArray.cs

@@ -80,7 +80,7 @@ namespace Ryujinx.Graphics.OpenGL
                 if (attrib.IsZero)
                 {
                     // Disabling the attribute causes the shader to read a constant value.
-                    // The value is configurable, but by default is a vector of (0, 0, 0, 1).
+                    // We currently set the constant to (0, 0, 0, 0).
                     DisableVertexAttrib(index);
                 }
                 else
@@ -176,6 +176,7 @@ namespace Ryujinx.Graphics.OpenGL
             {
                 _vertexAttribsInUse &= ~mask;
                 GL.DisableVertexAttribArray(index);
+                GL.VertexAttrib4(index, 0f, 0f, 0f, 0f);
             }
         }
 

Ryujinx.Graphics.Shader/Translation/Translator.cs

@@ -129,19 +129,20 @@ namespace Ryujinx.Graphics.Shader.Translation
             {
                 config.SetUsedFeature(FeatureFlags.Bindless);
             }
-            else // Not bindless, fill up texture handles
+
+            for (int funcIndex = 0; funcIndex < cfg.Length; funcIndex++)
             {
-                for (int funcIndex = 0; funcIndex < cfg.Length; funcIndex++)
+                for (int blkIndex = 0; blkIndex < cfg[funcIndex].Length; blkIndex++)
                 {
-                    for (int blkIndex = 0; blkIndex < cfg[funcIndex].Length; blkIndex++)
-                    {
-                        Block block = cfg[funcIndex][blkIndex];
+                    Block block = cfg[funcIndex][blkIndex];
 
-                        if (maxEndAddress < block.EndAddress)
-                        {
-                            maxEndAddress = block.EndAddress;
-                        }
+                    if (maxEndAddress < block.EndAddress)
+                    {
+                        maxEndAddress = block.EndAddress;
+                    }
 
+                    if (!hasBindless)
+                    {
                         for (int index = 0; index < block.OpCodes.Count; index++)
                         {
                             if (block.OpCodes[index] is OpCodeTextureBase texture)