From 4fa03e96b9a8a9f9fbfc997da16c8bf19889fb5f Mon Sep 17 00:00:00 2001
From: Skyth <19259897+blueskythlikesclouds@users.noreply.github.com>
Date: Fri, 8 Nov 2024 13:34:17 +0300
Subject: [PATCH] Add resolution patches for bloom glare & light shaft.

---
 UnleashedRecomp/gpu/video.cpp      | 27 +++++++++++++++++++
 UnleashedRecompLib/config/SWA.toml | 42 ++++++++++++++++++++++++++++++
 2 files changed, 69 insertions(+)

diff --git a/UnleashedRecomp/gpu/video.cpp b/UnleashedRecomp/gpu/video.cpp
index 17dc872..94f5909 100644
--- a/UnleashedRecomp/gpu/video.cpp
+++ b/UnleashedRecomp/gpu/video.cpp
@@ -3507,6 +3507,33 @@ PPC_FUNC(sub_8258CAE0)
     __imp__sub_8258CAE0(ctx, base);
 }
 
+void PostProcessResolutionFix(PPCRegister& r4, PPCRegister& f1, PPCRegister& f2)
+{
+    auto device = reinterpret_cast<be<uint32_t>*>(g_memory.Translate(r4.u32));
+
+    uint32_t width = device[46].get();
+    uint32_t height = device[47].get();
+
+#if 0
+    // TODO: Figure out why this breaks for height > weight
+    double factor;
+    if (width > height)
+        factor = 720.0 / double(height);
+    else
+        factor = 1280.0 / double(width);
+#else 
+    double factor = 720.0 / double(height);
+#endif
+
+    f1.f64 *= factor;
+    f2.f64 *= factor;
+}
+
+void LightShaftAspectRatioFix(PPCRegister& f28, PPCRegister& f0)
+{
+    f28.f64 = f0.f64;
+}
+
 GUEST_FUNCTION_HOOK(sub_82BD99B0, CreateDevice);
 
 GUEST_FUNCTION_HOOK(sub_82BE6230, DestructResource);
diff --git a/UnleashedRecompLib/config/SWA.toml b/UnleashedRecompLib/config/SWA.toml
index cee6200..d7e72eb 100644
--- a/UnleashedRecompLib/config/SWA.toml
+++ b/UnleashedRecompLib/config/SWA.toml
@@ -364,3 +364,45 @@ registers = ["r11"]
 name = "MotionBlurMidAsmHook"
 address = 0x82BA99D0
 jump_address_on_false = 0x82BAA544
+
+# Bloom glare resolution fix
+[[midasm_hook]]
+name = "PostProcessResolutionFix"
+address = 0x82BA3E9C
+registers = ["r4", "f1", "f2"]
+
+[[midasm_hook]]
+name = "PostProcessResolutionFix"
+address = 0x82BA3EF4
+registers = ["r4", "f1", "f2"]
+
+[[midasm_hook]]
+name = "PostProcessResolutionFix"
+address = 0x82BA3F4C
+registers = ["r4", "f1", "f2"]
+
+[[midasm_hook]]
+name = "PostProcessResolutionFix"
+address = 0x82BA3F9C
+registers = ["r4", "f1", "f2"]
+
+[[midasm_hook]]
+name = "PostProcessResolutionFix"
+address = 0x82BA4000
+registers = ["r4", "f1", "f2"]
+
+[[midasm_hook]]
+name = "PostProcessResolutionFix"
+address = 0x82BA4064
+registers = ["r4", "f1", "f2"]
+
+# Light shaft resolution fix
+[[midasm_hook]]
+name = "PostProcessResolutionFix"
+address = 0x82BB0EE0
+registers = ["r4", "f1", "f2"]
+
+[[midasm_hook]]
+name = "LightShaftAspectRatioFix"
+address = 0x82BB1314
+registers = ["f28", "f0"]