From 86eac5ad8c8e83eaa1554bef02bd7ff756c63a3f Mon Sep 17 00:00:00 2001
From: Skyth <19259897+blueskythlikesclouds@users.noreply.github.com>
Date: Thu, 17 Oct 2024 16:07:22 +0300
Subject: [PATCH] Remove half pixel offset from primitive 2D renderer.

---
 UnleashedRecomp/gpu/video.cpp      |  5 +++++
 UnleashedRecompLib/config/SWA.toml | 10 ++++++++++
 2 files changed, 15 insertions(+)

diff --git a/UnleashedRecomp/gpu/video.cpp b/UnleashedRecomp/gpu/video.cpp
index 59773e6..aa88be6 100644
--- a/UnleashedRecomp/gpu/video.cpp
+++ b/UnleashedRecomp/gpu/video.cpp
@@ -2444,6 +2444,11 @@ void SetShadowResolutionMidAsmHook(PPCRegister& r11)
     r11.u64 = 4096;
 }
 
+void Primitive2DHalfPixelOffsetMidAsmHook(PPCRegister& f13)
+{
+    f13.f64 = 0.0;
+}
+
 static void SetResolution(be<uint32_t>* device)
 {
     uint32_t width = g_swapChain->getWidth();
diff --git a/UnleashedRecompLib/config/SWA.toml b/UnleashedRecompLib/config/SWA.toml
index 537a79d..4bd71fa 100644
--- a/UnleashedRecompLib/config/SWA.toml
+++ b/UnleashedRecompLib/config/SWA.toml
@@ -93,3 +93,13 @@ registers = ["r3"]
 name = "SetShadowResolutionMidAsmHook"
 address = 0x82BAD87C
 registers = ["r11"]
+
+[[midasm_hook]]
+name = "Primitive2DHalfPixelOffsetMidAsmHook"
+address = 0x830D1F40
+registers = ["f13"]
+
+[[midasm_hook]]
+name = "Primitive2DHalfPixelOffsetMidAsmHook"
+address = 0x830D213C
+registers = ["f13"]