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-rw-r--r--src/shader_recompiler/backend/glsl/emit_glsl.cpp11
1 files changed, 10 insertions, 1 deletions
diff --git a/src/shader_recompiler/backend/glsl/emit_glsl.cpp b/src/shader_recompiler/backend/glsl/emit_glsl.cpp
index ff869923f..32c4f1da2 100644
--- a/src/shader_recompiler/backend/glsl/emit_glsl.cpp
+++ b/src/shader_recompiler/backend/glsl/emit_glsl.cpp
@@ -6,6 +6,7 @@
#include <string>
#include "common/alignment.h"
+#include "common/settings.h"
#include "shader_recompiler/backend/glsl/emit_context.h"
#include "shader_recompiler/backend/glsl/emit_glsl.h"
#include "shader_recompiler/backend/glsl/emit_glsl_instructions.h"
@@ -156,7 +157,12 @@ void EmitCode(EmitContext& ctx, const IR::Program& program) {
ctx.Add("for(;;){{");
break;
case IR::AbstractSyntaxNode::Type::Repeat:
- ctx.Add("if(!{}){{break;}}}}", ctx.var_alloc.Consume(node.data.repeat.cond));
+ if (Settings::values.disable_shader_loop_safety_checks) {
+ ctx.Add("if(!{}){{break;}}}}", ctx.var_alloc.Consume(node.data.repeat.cond));
+ } else {
+ ctx.Add("if(--loop{}<0 || !{}){{break;}}}}", ctx.num_safety_loop_vars++,
+ ctx.var_alloc.Consume(node.data.repeat.cond));
+ }
break;
default:
throw NotImplementedException("AbstractSyntaxNode Type {}", node.type);
@@ -198,6 +204,9 @@ void DefineVariables(const EmitContext& ctx, std::string& header) {
ctx.var_alloc.Representation(index, type), type_name);
}
}
+ for (u32 i = 0; i < ctx.num_safety_loop_vars; ++i) {
+ header += fmt::format("int loop{}=0x2000;", i);
+ }
}
} // Anonymous namespace