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glsl: Add a more robust fp formatter

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This commit is contained in:
ameerj
2021-05-22 23:31:30 -04:00
parent ac7b0ebcb7
commit cdde730219
4 changed files with 14 additions and 9 deletions
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14
src/shader_recompiler/backend/glsl/reg_alloc.cpp
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@ -10,10 +10,9 @@
#include "shader_recompiler/backend/glsl/reg_alloc.h"
#include "shader_recompiler/exception.h"
#include "shader_recompiler/frontend/ir/value.h"
#pragma optimize("", off)
namespace Shader::Backend::GLSL {
namespace {
std::string Representation(Id id) {
if (id.is_condition_code != 0) {
throw NotImplementedException("Condition code");
@ -25,6 +24,13 @@ std::string Representation(Id id) {
return fmt::format("R{}", index);
}
std::string FormatFloat(std::string_view value, IR::Type type) {
const bool needs_dot = value.find_first_of('.') == std::string_view::npos;
const bool needs_suffix = !value.ends_with('f');
const auto suffix = type == IR::Type::F32 ? "f" : "lf";
return fmt::format("{}{}{}", value, needs_dot ? "." : "", needs_suffix ? suffix : "");
}
std::string MakeImm(const IR::Value& value) {
switch (value.Type()) {
case IR::Type::U1:
@ -32,11 +38,11 @@ std::string MakeImm(const IR::Value& value) {
case IR::Type::U32:
return fmt::format("{}u", value.U32());
case IR::Type::F32:
return fmt::format("{}f", value.F32());
return FormatFloat(fmt::format("{}", value.F32()), IR::Type::F32);
case IR::Type::U64:
return fmt::format("{}ul", value.U64());
case IR::Type::F64:
return fmt::format("{}lf", value.F64());
return FormatFloat(fmt::format("{}", value.F64()), IR::Type::F64);
default:
throw NotImplementedException("Immediate type {}", value.Type());
}