shader: Add coarse derivatives

3 files changed, 14 insertions, 0 deletions

diff --git a/src/shader_recompiler/frontend/ir/ir_emitter.cpp b/src/shader_recompiler/frontend/ir/ir_emitter.cpp
index 845a57b1e..b3c9fe72a 100644
--- a/src/shader_recompiler/frontend/ir/ir_emitter.cpp
+++ b/src/shader_recompiler/frontend/ir/ir_emitter.cpp
@@ -1933,4 +1933,12 @@ F32 IREmitter::DPdyFine(const F32& a) {
     return Inst<F32>(Opcode::DPdyFine, a);
 }
 
+F32 IREmitter::DPdxCoarse(const F32& a) {
+    return Inst<F32>(Opcode::DPdxCoarse, a);
+}
+
+F32 IREmitter::DPdyCoarse(const F32& a) {
+    return Inst<F32>(Opcode::DPdyCoarse, 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 c7101d668..4441c495d 100644
--- a/src/shader_recompiler/frontend/ir/ir_emitter.h
+++ b/src/shader_recompiler/frontend/ir/ir_emitter.h
@@ -357,6 +357,10 @@ public:
 
     [[nodiscard]] F32 DPdyFine(const F32& a);
 
+    [[nodiscard]] F32 DPdxCoarse(const F32& a);
+
+    [[nodiscard]] F32 DPdyCoarse(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 e4cb8964a..b6869d4e4 100644
--- a/src/shader_recompiler/frontend/ir/opcodes.inc
+++ b/src/shader_recompiler/frontend/ir/opcodes.inc
@@ -513,3 +513,5 @@ OPCODE(ShuffleButterfly,                                    U32,            U32,
 OPCODE(FSwizzleAdd,                                         F32,            F32,            F32,            U32,                                            )
 OPCODE(DPdxFine,                                            F32,            F32,                                                                            )
 OPCODE(DPdyFine,                                            F32,            F32,                                                                            )
+OPCODE(DPdxCoarse,                                          F32,            F32,                                                                            )
+OPCODE(DPdyCoarse,                                          F32,            F32,                                                                            )