Fix incorrect fragment origin when YNegate is enabled (#4673)

* Fix incorrect fragment origin when YNegate is enabled

* Shader cache version bump

* Do not update support buffer if shader does not read gl_FragCoord

* Pass unscaled viewport size to the support buffer

1 files changed, 5 insertions, 0 deletions

diff --git a/src/Ryujinx.Graphics.Shader/Translation/EmitterContextInsts.cs b/src/Ryujinx.Graphics.Shader/Translation/EmitterContextInsts.cs
index c92d0583..6cb57238 100644
--- a/src/Ryujinx.Graphics.Shader/Translation/EmitterContextInsts.cs
+++ b/src/Ryujinx.Graphics.Shader/Translation/EmitterContextInsts.cs
@@ -429,6 +429,11 @@ namespace Ryujinx.Graphics.Shader.Translation
             return context.Add(Instruction.FP32 | Instruction.SquareRoot, Local(), a);
         }
 
+        public static Operand FPSubtract(this EmitterContext context, Operand a, Operand b, Instruction fpType = Instruction.FP32)
+        {
+            return context.Add(fpType | Instruction.Subtract, Local(), a, b);
+        }
+
         public static Operand FPTruncate(this EmitterContext context, Operand a, Instruction fpType = Instruction.FP32)
         {
             return context.Add(fpType | Instruction.Truncate, Local(), a);