glsl: Fix bindings, add some CC ops

This commit is contained in:
ameerj 2021-05-27 22:28:33 -04:00
parent e6a0f0f384
commit c797a0c5a5
8 changed files with 92 additions and 58 deletions

View file

@ -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) {