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opengl: Implement LOP.CC

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Used by MH:Rise
This commit is contained in:
ameerj 2021-06-25 13:09:45 -04:00
parent 1c7c65087d
commit 33d21ac2db
2 changed files with 38 additions and 6 deletions
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14
src/shader_recompiler/backend/glsl/emit_glsl_integer.cpp
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@ -27,6 +27,14 @@ void SetSignFlag(EmitContext& ctx, IR::Inst& inst, std::string_view result) {
ctx.AddU1("{}=int({})<0;", *sign, result);
sign->Invalidate();
}
void BitwiseLogicalOp(EmitContext& ctx, IR::Inst& inst, std::string_view a, std::string_view b,
char lop) {
const auto result{ctx.var_alloc.Define(inst, GlslVarType::U32)};
ctx.Add("{}={}{}{};", result, a, lop, b);
SetZeroFlag(ctx, inst, result);
SetSignFlag(ctx, inst, result);
}
} // Anonymous namespace
void EmitIAdd32(EmitContext& ctx, IR::Inst& inst, std::string_view a, std::string_view b) {
@ -113,15 +121,15 @@ void EmitShiftRightArithmetic64(EmitContext& ctx, IR::Inst& inst, std::string_vi
}
void EmitBitwiseAnd32(EmitContext& ctx, IR::Inst& inst, std::string_view a, std::string_view b) {
ctx.AddU32("{}={}&{};", inst, a, b);
BitwiseLogicalOp(ctx, inst, a, b, '&');
}
void EmitBitwiseOr32(EmitContext& ctx, IR::Inst& inst, std::string_view a, std::string_view b) {
ctx.AddU32("{}={}|{};", inst, a, b);
BitwiseLogicalOp(ctx, inst, a, b, '|');
}
void EmitBitwiseXor32(EmitContext& ctx, IR::Inst& inst, std::string_view a, std::string_view b) {
ctx.AddU32("{}={}^{};", inst, a, b);
BitwiseLogicalOp(ctx, inst, a, b, '^');
}
void EmitBitFieldInsert(EmitContext& ctx, IR::Inst& inst, std::string_view base,