From d24a16045f0f6b0b873d5e3b5bf187c1a8c4343f Mon Sep 17 00:00:00 2001
From: ReinUsesLisp <reinuseslisp@airmail.cc>
Date: Wed, 3 Feb 2021 16:43:04 -0300
Subject: shader: Initial instruction support
---
src/shader_recompiler/frontend/ir/modifiers.h | 28 +++++++++++++++++++++++++++
1 file changed, 28 insertions(+)
create mode 100644 src/shader_recompiler/frontend/ir/modifiers.h
(limited to 'src/shader_recompiler/frontend/ir/modifiers.h')
diff --git a/src/shader_recompiler/frontend/ir/modifiers.h b/src/shader_recompiler/frontend/ir/modifiers.h
new file mode 100644
index 0000000000..28bb9e798c
--- /dev/null
+++ b/src/shader_recompiler/frontend/ir/modifiers.h
@@ -0,0 +1,28 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+namespace Shader::IR {
+
+enum class FmzMode {
+ None, // Denorms are not flushed, NAN is propagated (nouveau)
+ FTZ, // Flush denorms to zero, NAN is propagated (D3D11, NVN, GL, VK)
+ FMZ, // Flush denorms to zero, x * 0 == 0 (D3D9)
+};
+
+enum class FpRounding {
+ RN, // Round to nearest even,
+ RM, // Round towards negative infinity
+ RP, // Round towards positive infinity
+ RZ, // Round towards zero
+};
+
+struct FpControl {
+ bool no_contraction{false};
+ FpRounding rounding : 8 = FpRounding::RN;
+ FmzMode fmz_mode : 8 = FmzMode::FTZ;
+};
+static_assert(sizeof(FpControl) <= sizeof(u64));
+} // namespace Shader::IR
--
cgit v1.2.3-70-g09d2