From 9f3ffb996b0d02ca64b492d22ff158e8f3659257 Mon Sep 17 00:00:00 2001
From: ameerj <52414509+ameerj@users.noreply.github.com>
Date: Sun, 30 May 2021 19:13:22 -0400
Subject: glsl: Rework var alloc to not assign unused results
---
src/shader_recompiler/backend/glsl/var_alloc.h | 6 ++++++
1 file changed, 6 insertions(+)
(limited to 'src/shader_recompiler/backend/glsl/var_alloc.h')
diff --git a/src/shader_recompiler/backend/glsl/var_alloc.h b/src/shader_recompiler/backend/glsl/var_alloc.h
index 29d78a571d..574960b1a8 100644
--- a/src/shader_recompiler/backend/glsl/var_alloc.h
+++ b/src/shader_recompiler/backend/glsl/var_alloc.h
@@ -62,9 +62,15 @@ public:
bool uses_temp{};
};
+ /// Used for explicit usages of variables, may revert to temporaries
std::string Define(IR::Inst& inst, GlslVarType type);
std::string Define(IR::Inst& inst, IR::Type type);
+ /// Used to assign variables used by the IR. May return a blank string if
+ /// the instruction's result is unused in the IR.
+ std::string AddDefine(IR::Inst& inst, GlslVarType type);
+ std::string PhiDefine(IR::Inst& inst, IR::Type type);
+
std::string Consume(const IR::Value& value);
std::string ConsumeInst(IR::Inst& inst);
--
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