diff options
| author | ReinUsesLisp <reinuseslisp@airmail.cc> | 2021-06-21 01:07:10 -0300 |
|---|---|---|
| committer | ameerj <52414509+ameerj@users.noreply.github.com> | 2021-07-22 21:51:39 -0400 |
| commit | 808ef97a086e7cc58a3ceded1de516ad6a6be5d3 (patch) | |
| tree | b79be02801ddadb44940d2c77fa0ae5c571dc557 /src/shader_recompiler/backend/glsl/emit_glsl.cpp | |
| parent | 3877918e9657bcde160080aecc1821cf8cb50ea4 (diff) | |
shader: Move loop safety tests to code emission
Diffstat (limited to 'src/shader_recompiler/backend/glsl/emit_glsl.cpp')
| -rw-r--r-- | src/shader_recompiler/backend/glsl/emit_glsl.cpp | 11 |
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 ff869923f4..32c4f1da21 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 |