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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 f94f0be521
commit 8289eb108f
2 changed files with 38 additions and 6 deletions
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30
src/shader_recompiler/backend/glasm/emit_glasm_integer.cpp
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@ -7,6 +7,30 @@
#include "shader_recompiler/frontend/ir/value.h"
namespace Shader::Backend::GLASM {
namespace {
void BitwiseLogicalOp(EmitContext& ctx, IR::Inst& inst, ScalarS32 a, ScalarS32 b,
std::string_view lop) {
const auto zero = inst.GetAssociatedPseudoOperation(IR::Opcode::GetZeroFromOp);
const auto sign = inst.GetAssociatedPseudoOperation(IR::Opcode::GetSignFromOp);
if (zero) {
zero->Invalidate();
}
if (sign) {
sign->Invalidate();
}
if (zero || sign) {
ctx.reg_alloc.InvalidateConditionCodes();
}
const auto ret{ctx.reg_alloc.Define(inst)};
ctx.Add("{}.S {}.x,{},{};", lop, ret, a, b);
if (zero) {
ctx.Add("SEQ.S {},{},0;", *zero, ret);
}
if (sign) {
ctx.Add("SLT.S {},{},0;", *sign, ret);
}
}
} // Anonymous namespace
void EmitIAdd32(EmitContext& ctx, IR::Inst& inst, ScalarS32 a, ScalarS32 b) {
const std::array flags{
@ -110,15 +134,15 @@ void EmitShiftRightArithmetic64(EmitContext& ctx, IR::Inst& inst, ScalarRegister
}
void EmitBitwiseAnd32(EmitContext& ctx, IR::Inst& inst, ScalarS32 a, ScalarS32 b) {
ctx.Add("AND.S {}.x,{},{};", inst, a, b);
BitwiseLogicalOp(ctx, inst, a, b, "AND");
}
void EmitBitwiseOr32(EmitContext& ctx, IR::Inst& inst, ScalarS32 a, ScalarS32 b) {
ctx.Add("OR.S {}.x,{},{};", inst, a, b);
BitwiseLogicalOp(ctx, inst, a, b, "OR");
}
void EmitBitwiseXor32(EmitContext& ctx, IR::Inst& inst, ScalarS32 a, ScalarS32 b) {
ctx.Add("XOR.S {}.x,{},{};", inst, a, b);
BitwiseLogicalOp(ctx, inst, a, b, "XOR");
}
void EmitBitFieldInsert(EmitContext& ctx, IR::Inst& inst, ScalarS32 base, ScalarS32 insert,

14
src/shader_recompiler/backend/glsl/emit_glsl_integer.cpp
View File

@ -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,