diff options
Diffstat (limited to 'src/shader_recompiler/backend/glsl/emit_glsl_integer.cpp')
| -rw-r--r-- | src/shader_recompiler/backend/glsl/emit_glsl_integer.cpp | 29 |
1 files changed, 27 insertions, 2 deletions
diff --git a/src/shader_recompiler/backend/glsl/emit_glsl_integer.cpp b/src/shader_recompiler/backend/glsl/emit_glsl_integer.cpp index ce6e12623f..84e01b1518 100644 --- a/src/shader_recompiler/backend/glsl/emit_glsl_integer.cpp +++ b/src/shader_recompiler/backend/glsl/emit_glsl_integer.cpp @@ -8,8 +8,30 @@ #include "shader_recompiler/frontend/ir/value.h" namespace Shader::Backend::GLSL { +namespace { +void SetZeroFlag(EmitContext& ctx, IR::Inst& inst, std::string_view result) { + IR::Inst* const zero{inst.GetAssociatedPseudoOperation(IR::Opcode::GetZeroFromOp)}; + if (!zero) { + return; + } + ctx.AddU1("{}={}==0;", *zero, result); + zero->Invalidate(); +} + +void SetSignFlag(EmitContext& ctx, IR::Inst& inst, std::string_view result) { + IR::Inst* const sign{inst.GetAssociatedPseudoOperation(IR::Opcode::GetSignFromOp)}; + if (!sign) { + return; + } + ctx.AddU1("{}=int({})<0;", *sign, result); + sign->Invalidate(); +} +} // Anonymous namespace void EmitIAdd32(EmitContext& ctx, IR::Inst& inst, std::string_view a, std::string_view b) { - ctx.AddU32("{}={}+{};", inst, a, b); + const auto result{ctx.reg_alloc.Define(inst)}; + ctx.Add("uint {}={}+{};", result, a, b); + SetZeroFlag(ctx, inst, result); + SetSignFlag(ctx, inst, result); } void EmitIAdd64(EmitContext& ctx, IR::Inst& inst, std::string_view a, std::string_view b) { @@ -98,7 +120,10 @@ void EmitBitFieldSExtract(EmitContext& ctx, IR::Inst& inst, std::string_view bas void EmitBitFieldUExtract(EmitContext& ctx, IR::Inst& inst, std::string_view base, std::string_view offset, std::string_view count) { - ctx.AddU32("{}=bitfieldExtract({}, int({}), int({}));", inst, base, offset, count); + const auto result{ctx.reg_alloc.Define(inst)}; + ctx.Add("uint {}=bitfieldExtract({},int({}),int({}));", result, base, offset, count); + SetZeroFlag(ctx, inst, result); + SetSignFlag(ctx, inst, result); } void EmitBitReverse32(EmitContext& ctx, IR::Inst& inst, std::string_view value) { |