diff --git a/rpcs3/Emu/RSX/RSXTexture.cpp b/rpcs3/Emu/RSX/RSXTexture.cpp
index 5b4762eb01..039fb45ebc 100644
--- a/rpcs3/Emu/RSX/RSXTexture.cpp
+++ b/rpcs3/Emu/RSX/RSXTexture.cpp
@@ -125,12 +125,12 @@ namespace rsx
 
 	f32 fragment_texture::min_lod() const
 	{
-		return rsx::decode_fx13((registers[NV4097_SET_TEXTURE_CONTROL0 + (m_index * 8)] >> 19) & 0xfff);
+		return rsx::decode_fxp<4, 8, false>((registers[NV4097_SET_TEXTURE_CONTROL0 + (m_index * 8)] >> 19) & 0xfff);
 	}
 
 	f32 fragment_texture::max_lod() const
 	{
-		return rsx::decode_fx13((registers[NV4097_SET_TEXTURE_CONTROL0 + (m_index * 8)] >> 7) & 0xfff);
+		return rsx::decode_fxp<4, 8, false>((registers[NV4097_SET_TEXTURE_CONTROL0 + (m_index * 8)] >> 7) & 0xfff);
 	}
 
 	rsx::texture_max_anisotropy fragment_texture::max_aniso() const
@@ -213,7 +213,7 @@ namespace rsx
 
 	f32 fragment_texture::bias() const
 	{
-		return rsx::decode_fx13((registers[NV4097_SET_TEXTURE_FILTER + (m_index * 8)]) & 0x1fff);
+		return rsx::decode_fxp<4, 8>((registers[NV4097_SET_TEXTURE_FILTER + (m_index * 8)]) & 0x1fff);
 	}
 
 	rsx::texture_minify_filter fragment_texture::min_filter() const
@@ -352,17 +352,17 @@ namespace rsx
 
 	f32 vertex_texture::min_lod() const
 	{
-		return rsx::decode_fx13((registers[NV4097_SET_VERTEX_TEXTURE_CONTROL0 + (m_index * 8)] >> 19) & 0xfff);
+		return rsx::decode_fxp<4, 8, false>((registers[NV4097_SET_VERTEX_TEXTURE_CONTROL0 + (m_index * 8)] >> 19) & 0xfff);
 	}
 
 	f32 vertex_texture::max_lod() const
 	{
-		return rsx::decode_fx13((registers[NV4097_SET_VERTEX_TEXTURE_CONTROL0 + (m_index * 8)] >> 7) & 0xfff);
+		return rsx::decode_fxp<4, 8, false>((registers[NV4097_SET_VERTEX_TEXTURE_CONTROL0 + (m_index * 8)] >> 7) & 0xfff);
 	}
 
 	f32 vertex_texture::bias() const
 	{
-		return rsx::decode_fx13((registers[NV4097_SET_VERTEX_TEXTURE_FILTER + (m_index * 8)]) & 0x1fff);
+		return rsx::decode_fxp<4, 8>((registers[NV4097_SET_VERTEX_TEXTURE_FILTER + (m_index * 8)]) & 0x1fff);
 	}
 
 	rsx::texture_minify_filter vertex_texture::min_filter() const
diff --git a/rpcs3/Emu/RSX/rsx_decode.h b/rpcs3/Emu/RSX/rsx_decode.h
index 5b58bb8421..9d7997f638 100644
--- a/rpcs3/Emu/RSX/rsx_decode.h
+++ b/rpcs3/Emu/RSX/rsx_decode.h
@@ -5,6 +5,7 @@
 #include <tuple>
 #include <climits>
 #include "gcm_enums.h"
+#include "rsx_utils.h"
 #pragma warning(disable:4503)
 
 namespace
@@ -2027,17 +2028,13 @@ struct registers_decoder<NV3089_DS_DX>
 		{
 			const u32 val = value;
 
-			if ((val & ~(1<<31)) == 0)
+			if (val == 0)
 			{
+				// Will get reported in image_in
 				return 0;
 			}
 
-			if ((s32)val < 0)
-			{
-				return 1.f / (((val & ~(1<<31)) / 1048576.f) - 2048.f);
-			}
-
-			return 1048576.f / val;
+			return 1.f / rsx::decode_fxp<11, 20>(val);
 		}
 	};
 
@@ -2063,17 +2060,13 @@ struct registers_decoder<NV3089_DT_DY>
 		{
 		    const u32 val = value;
 
-			if ((val & ~(1<<31)) == 0)
+			if (val == 0)
 			{
-				return 0;
+				// Will get reported in image_in
+				return 0.f;
 			}
 
-			if ((s32)val < 0)
-			{
-				return 1.f / (((val & ~(1<<31)) / 1048576.f) - 2048.f);
-			}
-
-			return 1048576.f / val;
+			return 1.f / rsx::decode_fxp<11, 20>(val);
 		}
 	};
 
diff --git a/rpcs3/Emu/RSX/rsx_utils.h b/rpcs3/Emu/RSX/rsx_utils.h
index e77d2b17dc..79d88c912c 100644
--- a/rpcs3/Emu/RSX/rsx_utils.h
+++ b/rpcs3/Emu/RSX/rsx_utils.h
@@ -752,25 +752,21 @@ namespace rsx
 		return result;
 	}
 
-	static inline f32 decode_fx13(u32 bits)
+	template <uint integer, uint frac, bool sign = true, typename To = f32>
+	static inline To decode_fxp(u32 bits)
 	{
+		static_assert(u64{sign} + integer + frac <= 32, "Invalid decode_fxp range");
+
 		// Classic fixed point, see PGRAPH section of nouveau docs for TEX_FILTER (lod_bias) and TEX_CONTROL (min_lod, max_lod)
 		// Technically min/max lod are fixed 4.8 but a 5.8 decoder should work just as well since sign bit is 0
 
-		if ((bits & (1 << 12)) == 0)
+		if constexpr (sign) if (bits & (1 << (integer + frac)))
 		{
-			const auto integral = f32(bits >> 8);
-			const auto fractional = (bits & 0xff) / 256.f;
-			return integral + fractional;
-		}
-		else
-		{
-			// Negative sign bit
-			bits = (~bits + 1) & 0x1fff;
-			const auto integral = -f32(bits >> 8);
-			const auto fractional = (bits & 0xff) / 256.f;
-			return integral - fractional;
+			bits = (0 - bits) & (~0u >> (31 - (integer + frac)));
+			return bits / (-To(1u << frac));
 		}
+
+		return bits / To(1u << frac);
 	}
 
 	template <int N>