From 394b96a2fe0fb7c93052f043383889e46ff6202a Mon Sep 17 00:00:00 2001
From: ReinUsesLisp <reinuseslisp@airmail.cc>
Date: Thu, 20 May 2021 21:54:02 -0300
Subject: glasm: Implement clip distance stores

---
 src/shader_recompiler/backend/glasm/emit_context.cpp         |  3 +++
 .../backend/glasm/emit_glasm_context_get_set.cpp             | 12 ++++++++++++
 2 files changed, 15 insertions(+)

diff --git a/src/shader_recompiler/backend/glasm/emit_context.cpp b/src/shader_recompiler/backend/glasm/emit_context.cpp
index bb68b3d19..e82c8995a 100644
--- a/src/shader_recompiler/backend/glasm/emit_context.cpp
+++ b/src/shader_recompiler/backend/glasm/emit_context.cpp
@@ -86,6 +86,9 @@ EmitContext::EmitContext(IR::Program& program, Bindings& bindings, const Profile
     if (info.stores_tess_level_inner) {
         Add("OUTPUT result_patch_tessinner[]={{result.patch.tessinner[0..1]}};");
     }
+    if (info.stores_clip_distance) {
+        Add("OUTPUT result_clip[]={{result.clip[0..7]}};");
+    }
     for (size_t index = 0; index < info.uses_patches.size(); ++index) {
         if (!info.uses_patches[index]) {
             continue;
diff --git a/src/shader_recompiler/backend/glasm/emit_glasm_context_get_set.cpp b/src/shader_recompiler/backend/glasm/emit_glasm_context_get_set.cpp
index 7a084508d..b64025420 100644
--- a/src/shader_recompiler/backend/glasm/emit_glasm_context_get_set.cpp
+++ b/src/shader_recompiler/backend/glasm/emit_glasm_context_get_set.cpp
@@ -121,6 +121,18 @@ void EmitSetAttribute(EmitContext& ctx, IR::Attribute attr, ScalarF32 value,
     case IR::Attribute::PositionW:
         ctx.Add("MOV.F result.position.{},{};", swizzle, value);
         break;
+    case IR::Attribute::ClipDistance0:
+    case IR::Attribute::ClipDistance1:
+    case IR::Attribute::ClipDistance2:
+    case IR::Attribute::ClipDistance3:
+    case IR::Attribute::ClipDistance4:
+    case IR::Attribute::ClipDistance5:
+    case IR::Attribute::ClipDistance6:
+    case IR::Attribute::ClipDistance7: {
+        const u32 index{static_cast<u32>(attr) - static_cast<u32>(IR::Attribute::ClipDistance0)};
+        ctx.Add("MOV.F result.clip[{}].x,{};", index, value);
+        break;
+    }
     case IR::Attribute::ViewportIndex:
         if (ctx.stage == Stage::Geometry || ctx.profile.support_viewport_index_layer_non_geometry) {
             ctx.Add("MOV.F result.viewport.x,{};", value);
-- 
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