From 04c459fc8d99b41fa8a03c49523599e9bf797f9d Mon Sep 17 00:00:00 2001
From: FernandoS27 <fsahmkow27@gmail.com>
Date: Sat, 17 Apr 2021 11:56:45 +0200
Subject: shader: Implement fine derivates constant propagation
---
src/shader_recompiler/frontend/ir/ir_emitter.cpp | 8 ++++++++
src/shader_recompiler/frontend/ir/ir_emitter.h | 4 ++++
src/shader_recompiler/frontend/ir/opcodes.inc | 2 ++
3 files changed, 14 insertions(+)
(limited to 'src/shader_recompiler/frontend')
diff --git a/src/shader_recompiler/frontend/ir/ir_emitter.cpp b/src/shader_recompiler/frontend/ir/ir_emitter.cpp
index c3e8d06814..845a57b1e9 100644
--- a/src/shader_recompiler/frontend/ir/ir_emitter.cpp
+++ b/src/shader_recompiler/frontend/ir/ir_emitter.cpp
@@ -1925,4 +1925,12 @@ F32 IREmitter::FSwizzleAdd(const F32& a, const F32& b, const U32& swizzle, FpCon
return Inst<F32>(Opcode::FSwizzleAdd, Flags{control}, a, b, swizzle);
}
+F32 IREmitter::DPdxFine(const F32& a) {
+ return Inst<F32>(Opcode::DPdxFine, a);
+}
+
+F32 IREmitter::DPdyFine(const F32& a) {
+ return Inst<F32>(Opcode::DPdyFine, a);
+}
+
} // namespace Shader::IR
diff --git a/src/shader_recompiler/frontend/ir/ir_emitter.h b/src/shader_recompiler/frontend/ir/ir_emitter.h
index 7e67f5e308..c7101d668d 100644
--- a/src/shader_recompiler/frontend/ir/ir_emitter.h
+++ b/src/shader_recompiler/frontend/ir/ir_emitter.h
@@ -353,6 +353,10 @@ public:
[[nodiscard]] F32 FSwizzleAdd(const F32& a, const F32& b, const U32& swizzle,
FpControl control = {});
+ [[nodiscard]] F32 DPdxFine(const F32& a);
+
+ [[nodiscard]] F32 DPdyFine(const F32& a);
+
private:
IR::Block::iterator insertion_point;
diff --git a/src/shader_recompiler/frontend/ir/opcodes.inc b/src/shader_recompiler/frontend/ir/opcodes.inc
index 269de8ca5a..e4cb8964ad 100644
--- a/src/shader_recompiler/frontend/ir/opcodes.inc
+++ b/src/shader_recompiler/frontend/ir/opcodes.inc
@@ -511,3 +511,5 @@ OPCODE(ShuffleUp, U32, U32,
OPCODE(ShuffleDown, U32, U32, U32, U32, U32, )
OPCODE(ShuffleButterfly, U32, U32, U32, U32, U32, )
OPCODE(FSwizzleAdd, F32, F32, F32, U32, )
+OPCODE(DPdxFine, F32, F32, )
+OPCODE(DPdyFine, F32, F32, )
--
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