From 271695f020b226e7594f58bf8dedbd0b2fe4b7e8 Mon Sep 17 00:00:00 2001
From: lizzie <lizzie@eden-emu.dev>
Date: Sun, 25 Jan 2026 01:28:00 +0000
Subject: [PATCH] fuck you 2 times

---
 .../backend/spirv/spirv_emit_context.cpp      | 21 +++++++++++++------
 .../backend/spirv/spirv_emit_context.h        |  2 ++
 2 files changed, 17 insertions(+), 6 deletions(-)

diff --git a/src/shader_recompiler/backend/spirv/spirv_emit_context.cpp b/src/shader_recompiler/backend/spirv/spirv_emit_context.cpp
index c8727e3d06..a89344b0f3 100644
--- a/src/shader_recompiler/backend/spirv/spirv_emit_context.cpp
+++ b/src/shader_recompiler/backend/spirv/spirv_emit_context.cpp
@@ -200,12 +200,13 @@ Id GetAttributeType(EmitContext& ctx, AttributeType type) {
     case AttributeType::Float:
         return ctx.F32[4];
     case AttributeType::SignedInt:
+    case AttributeType::SignedNorm:
         return ctx.TypeVector(ctx.TypeInt(32, true), 4);
     case AttributeType::UnsignedInt:
+    case AttributeType::UnsignedNorm:
         return ctx.U32[4];
     case AttributeType::SignedScaled:
-        return ctx.profile.support_scaled_attributes ? ctx.F32[4]
-                                                     : ctx.TypeVector(ctx.TypeInt(32, true), 4);
+        return ctx.profile.support_scaled_attributes ? ctx.F32[4] : ctx.TypeVector(ctx.TypeInt(32, true), 4);
     case AttributeType::UnsignedScaled:
         return ctx.profile.support_scaled_attributes ? ctx.F32[4] : ctx.U32[4];
     case AttributeType::Disabled:
@@ -218,12 +219,10 @@ InputGenericInfo GetAttributeInfo(EmitContext& ctx, AttributeType type, Id id) {
     switch (type) {
     case AttributeType::Float:
         return InputGenericInfo{id, ctx.input_f32, ctx.F32[1], InputGenericLoadOp::None};
-    // TODO: properly impl this?
     case AttributeType::UnsignedNorm:
-        return InputGenericInfo{id, ctx.input_u32, ctx.U32[1], InputGenericLoadOp::Bitcast};
+        return InputGenericInfo{id, ctx.input_u32, ctx.U32[1], InputGenericLoadOp::UNorm};
     case AttributeType::SignedNorm:
-        return InputGenericInfo{id, ctx.input_s32, ctx.TypeInt(32, true), InputGenericLoadOp::Bitcast};
-    //
+        return InputGenericInfo{id, ctx.input_s32, ctx.TypeInt(32, true), InputGenericLoadOp::SNorm};
     case AttributeType::UnsignedInt:
         return InputGenericInfo{id, ctx.input_u32, ctx.U32[1], InputGenericLoadOp::Bitcast};
     case AttributeType::SignedInt:
@@ -781,6 +780,16 @@ void EmitContext::DefineAttributeMemAccess(const Info& info) {
                     return OpConvertSToF(F32[1], value);
                 case InputGenericLoadOp::UToF:
                     return OpConvertUToF(F32[1], value);
+                case InputGenericLoadOp::SNorm: {
+                    Id const fp16_value = OpShiftRightArithmetic(U32[1], value, Const(16U));
+                    Id const max_value = Const(unsigned(std::numeric_limits<s16>::max()));
+                    return OpFDiv(F32[1], OpConvertSToF(F32[1], fp16_value), max_value);
+                }
+                case InputGenericLoadOp::UNorm: {
+                    Id const fp16_value = OpShiftRightLogical(U32[1], value, Const(16U));
+                    Id const max_value = Const(unsigned(std::numeric_limits<u16>::max()));
+                    return OpFDiv(F32[1], OpConvertSToF(F32[1], fp16_value), max_value);
+                }
                 default:
                     return value;
                 };
diff --git a/src/shader_recompiler/backend/spirv/spirv_emit_context.h b/src/shader_recompiler/backend/spirv/spirv_emit_context.h
index 80ac79f2d6..fd4277300d 100644
--- a/src/shader_recompiler/backend/spirv/spirv_emit_context.h
+++ b/src/shader_recompiler/backend/spirv/spirv_emit_context.h
@@ -143,6 +143,8 @@ enum class InputGenericLoadOp {
     Bitcast,
     SToF,
     UToF,
+    SNorm,
+    UNorm,
 };
 
 struct InputGenericInfo {