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[ImGui] Fix fsr sharpness slider scaling 

https://github.com/ocornut/imgui/issues/3361#issuecomment-1287045159
This commit is contained in:
Joel Linn 2022-11-20 19:42:26 +01:00 committed by Rick Gibbed
parent c8a39bad29
commit 29985f69e1
1 changed files with 7 additions and 2 deletions
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9
src/xenia/app/emulator_window.cc
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@ -399,12 +399,17 @@ void EmulatorWindow::DisplayConfigDialog::OnDraw(ImGuiIO& io) {
new_presenter_config.GetFsrSharpnessReduction();
ImGui::TextUnformatted(
"FSR sharpness reduction when upscaling (lower is sharper):");
// Power 2.0 as the reduction is in stops, used in exp2.
const auto label =
fmt::format("{:.3f} stops", fsr_sharpness_reduction);
// Power 2.0 scaling as the reduction is in stops, used in exp2.
fsr_sharpness_reduction = sqrt(2.f * fsr_sharpness_reduction);
ImGui::SliderFloat(
"##FSRSharpnessReduction", &fsr_sharpness_reduction,
ui::Presenter::GuestOutputPaintConfig::kFsrSharpnessReductionMin,
ui::Presenter::GuestOutputPaintConfig::kFsrSharpnessReductionMax,
"%.3f stops", 2.0f);
label.c_str(), ImGuiSliderFlags_NoInput);
fsr_sharpness_reduction =
.5f * fsr_sharpness_reduction * fsr_sharpness_reduction;
ImGui::SameLine();
if (ImGui::Button("Reset##ResetFSRSharpnessReduction")) {
fsr_sharpness_reduction = ui::Presenter::GuestOutputPaintConfig ::