From 7a1c14269e20cffeed780f388c90a86f8bba1a92 Mon Sep 17 00:00:00 2001
From: ReinUsesLisp <reinuseslisp@airmail.cc>
Date: Tue, 30 Mar 2021 03:58:46 -0300
Subject: spirv: Add fixed pipeline point size

---
 src/shader_recompiler/backend/spirv/emit_context.cpp       | 2 +-
 src/shader_recompiler/backend/spirv/emit_spirv_special.cpp | 4 ++++
 2 files changed, 5 insertions(+), 1 deletion(-)

(limited to 'src/shader_recompiler/backend/spirv')

diff --git a/src/shader_recompiler/backend/spirv/emit_context.cpp b/src/shader_recompiler/backend/spirv/emit_context.cpp
index 2c93bada5..5cd505d99 100644
--- a/src/shader_recompiler/backend/spirv/emit_context.cpp
+++ b/src/shader_recompiler/backend/spirv/emit_context.cpp
@@ -495,7 +495,7 @@ void EmitContext::DefineOutputs(const Info& info) {
     if (info.stores_position || stage == Stage::VertexB) {
         output_position = DefineOutput(*this, F32[4], spv::BuiltIn::Position);
     }
-    if (info.stores_point_size) {
+    if (info.stores_point_size || profile.fixed_state_point_size) {
         if (stage == Stage::Fragment) {
             throw NotImplementedException("Storing PointSize in Fragment stage");
         }
diff --git a/src/shader_recompiler/backend/spirv/emit_spirv_special.cpp b/src/shader_recompiler/backend/spirv/emit_spirv_special.cpp
index 44d2fde02..5f80c189f 100644
--- a/src/shader_recompiler/backend/spirv/emit_spirv_special.cpp
+++ b/src/shader_recompiler/backend/spirv/emit_spirv_special.cpp
@@ -17,6 +17,10 @@ void EmitPrologue(EmitContext& ctx) {
                 ctx.OpStore(generic_id, default_vector);
             }
         }
+        if (ctx.profile.fixed_state_point_size) {
+            const float point_size{*ctx.profile.fixed_state_point_size};
+            ctx.OpStore(ctx.output_point_size, ctx.Constant(ctx.F32[1], point_size));
+        }
     }
 }
 
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