From 6e4e0b2b41eee7309bbf3f9a92368482b5d49232 Mon Sep 17 00:00:00 2001
From: Subv <subv2112@gmail.com>
Date: Mon, 2 Jul 2018 19:48:15 -0500
Subject: [PATCH] GPU: Implemented MUFU suboperation 8, sqrt.
---
src/video_core/engines/shader_bytecode.h | 1 +
src/video_core/renderer_opengl/gl_shader_decompiler.cpp | 4 ++++
2 files changed, 5 insertions(+)
diff --git a/src/video_core/engines/shader_bytecode.h b/src/video_core/engines/shader_bytecode.h
index 86fd64979..c1226a649 100644
--- a/src/video_core/engines/shader_bytecode.h
+++ b/src/video_core/engines/shader_bytecode.h
@@ -166,6 +166,7 @@ enum class SubOp : u64 {
Lg2 = 0x3,
Rcp = 0x4,
Rsq = 0x5,
+ Sqrt = 0x8,
};
enum class F2iRoundingOp : u64 {
diff --git a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
index bbccf0bfd..8e5465f40 100644
--- a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
+++ b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
@@ -917,6 +917,10 @@ private:
regs.SetRegisterToFloat(instr.gpr0, 0, "inversesqrt(" + op_a + ')', 1, 1,
instr.alu.saturate_d);
break;
+ case SubOp::Sqrt:
+ regs.SetRegisterToFloat(instr.gpr0, 0, "sqrt(" + op_a + ')', 1, 1,
+ instr.alu.saturate_d);
+ break;
default:
NGLOG_CRITICAL(HW_GPU, "Unhandled MUFU sub op: {0:x}",
static_cast<unsigned>(instr.sub_op.Value()));