From: Mikko Rasa <tdb@tdb.fi>
Date: Sun, 7 Nov 2021 17:17:09 +0000 (+0200)
Subject: Mark the start of a SPIR-V function as reachable
X-Git-Url: http://git.tdb.fi/?a=commitdiff_plain;h=7ab4261d281c7885bbdfb0a782ed231b2cd08293;p=libs%2Fgl.git

Mark the start of a SPIR-V function as reachable

This fixes erroneously generated OpUnreachable instructions which
appeared at the end of some functions.
---

diff --git a/source/glsl/spirv.cpp b/source/glsl/spirv.cpp
index 39aa9a06..7bec551b 100644
--- a/source/glsl/spirv.cpp
+++ b/source/glsl/spirv.cpp
@@ -1817,6 +1817,7 @@ void SpirVGenerator::visit(FunctionDeclaration &func)
 		variable_load_ids[func.parameters[i].get()] = param_id;
 	}
 
+	reachable = true;
 	writer.begin_function_body(next_id++);
 	SetForScope<FunctionDeclaration *> set_func(current_function, &func);
 	func.body.visit(*this);