From c5dfa0b6308fa0f79b3323204b6c61d38d43ff87 Mon Sep 17 00:00:00 2001
From: ameerj <52414509+ameerj@users.noreply.github.com>
Date: Tue, 15 Jun 2021 00:30:59 -0400
Subject: glsl: Move gl_Position/generic attribute initialization to
 EmitProlgue

---
 src/shader_recompiler/backend/glsl/emit_glsl.cpp        |  9 ---------
 .../backend/glsl/emit_glsl_special.cpp                  | 17 ++++++++++++-----
 2 files changed, 12 insertions(+), 14 deletions(-)

diff --git a/src/shader_recompiler/backend/glsl/emit_glsl.cpp b/src/shader_recompiler/backend/glsl/emit_glsl.cpp
index 9f8cf659f..ff869923f 100644
--- a/src/shader_recompiler/backend/glsl/emit_glsl.cpp
+++ b/src/shader_recompiler/backend/glsl/emit_glsl.cpp
@@ -216,15 +216,6 @@ std::string EmitGLSL(const Profile& profile, const RuntimeInfo& runtime_info, IR
             fmt::format("shared uint smem[{}];", Common::AlignUp(program.shared_memory_size, 4));
     }
     ctx.header += "void main(){\n";
-    if (program.stage == Stage::VertexA || program.stage == Stage::VertexB) {
-        ctx.header += "gl_Position = vec4(0.0f, 0.0f, 0.0f, 1.0f);";
-        // TODO: Properly resolve attribute issues
-        for (size_t index = 0; index < program.info.stores_generics.size() / 2; ++index) {
-            if (!program.info.stores_generics[index]) {
-                ctx.header += fmt::format("out_attr{}=vec4(0,0,0,1);", index);
-            }
-        }
-    }
     DefineVariables(ctx, ctx.header);
     if (ctx.uses_cc_carry) {
         ctx.header += "uint carry;";
diff --git a/src/shader_recompiler/backend/glsl/emit_glsl_special.cpp b/src/shader_recompiler/backend/glsl/emit_glsl_special.cpp
index 2155b8802..cfef58d79 100644
--- a/src/shader_recompiler/backend/glsl/emit_glsl_special.cpp
+++ b/src/shader_recompiler/backend/glsl/emit_glsl_special.cpp
@@ -6,6 +6,7 @@
 
 #include "shader_recompiler/backend/glsl/emit_context.h"
 #include "shader_recompiler/backend/glsl/emit_glsl_instructions.h"
+#include "shader_recompiler/frontend/ir/program.h"
 #include "shader_recompiler/frontend/ir/value.h"
 
 namespace Shader::Backend::GLSL {
@@ -42,13 +43,19 @@ void EmitPhiMove(EmitContext& ctx, const IR::Value& phi_value, const IR::Value&
     ctx.Add("{}={};", phi_reg, val_reg);
 }
 
-void EmitPrologue(EmitContext&) {
-    // TODO
+void EmitPrologue(EmitContext& ctx) {
+    if (ctx.stage == Stage::VertexA || ctx.stage == Stage::VertexB) {
+        ctx.Add("gl_Position=vec4(0.0f, 0.0f, 0.0f, 1.0f);");
+        // TODO: Properly resolve attribute issues
+        for (size_t index = 0; index < ctx.info.stores_generics.size() / 2; ++index) {
+            if (!ctx.info.stores_generics[index]) {
+                ctx.Add("out_attr{}=vec4(0,0,0,1);", index);
+            }
+        }
+    }
 }
 
-void EmitEpilogue(EmitContext&) {
-    // TODO
-}
+void EmitEpilogue(EmitContext&) {}
 
 void EmitEmitVertex(EmitContext& ctx, const IR::Value& stream) {
     ctx.Add("EmitStreamVertex(int({}));", ctx.var_alloc.Consume(stream));
-- 
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