From 1eea35554c7505dbf521cf9f3cfeeaa0fc7e916f Mon Sep 17 00:00:00 2001
From: gdkchan <gab.dark.100@gmail.com>
Date: Sat, 19 Sep 2020 19:46:49 -0300
Subject: Better viewport flipping and depth mode detection method (#1556)

* Use a better viewport flipping approach

* New approach to detect depth mode

* nit: Sort method on the OpenGL backend

* Adjust spacing on comment

* Unswap near and far parameters based on ScaleZ
---
 Ryujinx.Graphics.Gpu/Shader/GpuAccessor.cs | 24 ------------------------
 1 file changed, 24 deletions(-)

(limited to 'Ryujinx.Graphics.Gpu/Shader')

diff --git a/Ryujinx.Graphics.Gpu/Shader/GpuAccessor.cs b/Ryujinx.Graphics.Gpu/Shader/GpuAccessor.cs
index 03d8d196..fd0a6b0d 100644
--- a/Ryujinx.Graphics.Gpu/Shader/GpuAccessor.cs
+++ b/Ryujinx.Graphics.Gpu/Shader/GpuAccessor.cs
@@ -188,12 +188,6 @@ namespace Ryujinx.Graphics.Gpu.Shader
         /// <returns>True if the GPU and driver supports non-constant texture offsets, false otherwise</returns>
         public bool QuerySupportsNonConstantTextureOffset() => _context.Capabilities.SupportsNonConstantTextureOffset;
 
-        /// <summary>
-        /// Queries host GPU viewport swizzle support.
-        /// </summary>
-        /// <returns>True if the GPU and driver supports viewport swizzle, false otherwise</returns>
-        public bool QuerySupportsViewportSwizzle() => _context.Capabilities.SupportsViewportSwizzle;
-
         /// <summary>
         /// Queries texture format information, for shaders using image load or store.
         /// </summary>
@@ -257,24 +251,6 @@ namespace Ryujinx.Graphics.Gpu.Shader
             };
         }
 
-        public int QueryViewportSwizzle(int component)
-        {
-            YControl yControl = _state.Get<YControl>(MethodOffset.YControl);
-
-            bool flipY = yControl.HasFlag(YControl.NegateY) ^ !yControl.HasFlag(YControl.TriangleRastFlip);
-
-            ViewportTransform transform = _state.Get<ViewportTransform>(MethodOffset.ViewportTransform, 0);
-
-            return component switch
-            {
-                0 => (int)(transform.UnpackSwizzleX() ^ (transform.ScaleX < 0 ? ViewportSwizzle.NegativeFlag : 0)),
-                1 => (int)(transform.UnpackSwizzleY() ^ (transform.ScaleY < 0 ? ViewportSwizzle.NegativeFlag : 0) ^ (flipY ? ViewportSwizzle.NegativeFlag : 0)),
-                2 => (int)(transform.UnpackSwizzleZ() ^ (transform.ScaleZ < 0 ? ViewportSwizzle.NegativeFlag : 0)),
-                3 => (int)transform.UnpackSwizzleW(),
-                _ => throw new ArgumentOutOfRangeException(nameof(component))
-            };
-        }
-
         /// <summary>
         /// Gets the texture descriptor for a given texture on the pool.
         /// </summary>
-- 
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