From 1a888ae0871c5ef590c92b992b87f01f05a19637 Mon Sep 17 00:00:00 2001 From: gdkchan Date: Sun, 24 Jul 2022 15:33:30 -0300 Subject: [PATCH] Add support for conditional (with CC) shader Exit instructions (#3470) * Add support for conditional (with CC) shader Exit instructions * Shader cache version bump * Make CSM conditions default to false for EXIT.CC --- .../Shader/DiskCache/DiskCacheHostStorage.cs | 2 +- .../Instructions/InstEmitFlowControl.cs | 19 +++++++++++++++---- 2 files changed, 16 insertions(+), 5 deletions(-) diff --git a/Ryujinx.Graphics.Gpu/Shader/DiskCache/DiskCacheHostStorage.cs b/Ryujinx.Graphics.Gpu/Shader/DiskCache/DiskCacheHostStorage.cs index 33a87fa5..a47af942 100644 --- a/Ryujinx.Graphics.Gpu/Shader/DiskCache/DiskCacheHostStorage.cs +++ b/Ryujinx.Graphics.Gpu/Shader/DiskCache/DiskCacheHostStorage.cs @@ -21,7 +21,7 @@ namespace Ryujinx.Graphics.Gpu.Shader.DiskCache private const ushort FileFormatVersionMajor = 1; private const ushort FileFormatVersionMinor = 1; private const uint FileFormatVersionPacked = ((uint)FileFormatVersionMajor << 16) | FileFormatVersionMinor; - private const uint CodeGenVersion = 3472; + private const uint CodeGenVersion = 3469; private const string SharedTocFileName = "shared.toc"; private const string SharedDataFileName = "shared.data"; diff --git a/Ryujinx.Graphics.Shader/Instructions/InstEmitFlowControl.cs b/Ryujinx.Graphics.Shader/Instructions/InstEmitFlowControl.cs index 3cb8fe72..aee52c51 100644 --- a/Ryujinx.Graphics.Shader/Instructions/InstEmitFlowControl.cs +++ b/Ryujinx.Graphics.Shader/Instructions/InstEmitFlowControl.cs @@ -104,12 +104,23 @@ namespace Ryujinx.Graphics.Shader.Instructions return; } - // TODO: Figure out how this is supposed to work in the - // presence of other condition codes. if (op.Ccc == Ccc.T) { context.Return(); } + else + { + Operand cond = GetCondition(context, op.Ccc, IrConsts.False); + + // If the condition is always false, we don't need to do anything. + if (cond.Type != OperandType.Constant || cond.Value != IrConsts.False) + { + Operand lblSkip = Label(); + context.BranchIfFalse(lblSkip, cond); + context.Return(); + context.MarkLabel(lblSkip); + } + } } public static void Kil(EmitterContext context) @@ -250,7 +261,7 @@ namespace Ryujinx.Graphics.Shader.Instructions } } - private static Operand GetCondition(EmitterContext context, Ccc cond) + private static Operand GetCondition(EmitterContext context, Ccc cond, int defaultCond = IrConsts.True) { // TODO: More condition codes, figure out how they work. switch (cond) @@ -263,7 +274,7 @@ namespace Ryujinx.Graphics.Shader.Instructions return context.BitwiseNot(GetZF()); } - return Const(IrConsts.True); + return Const(defaultCond); } } } \ No newline at end of file