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Code Issues Releases Activity

Disable auto-selection of xbrz on 32-bit systems

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This commit is contained in:
Ivan Savenko
2025-03-16 17:34:35 +00:00
parent 9da598dcaf
commit ded12f2df9
1 changed files with 4 additions and 0 deletions
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4
client/renderSDL/ScreenHandler.cpp
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@ -368,6 +368,7 @@ EUpscalingFilter ScreenHandler::loadUpscalingFilter() const
float scaleY = static_cast<float>(outputResolution.x) / logicalResolution.x;
float scaling = std::min(scaleX, scaleY);
int systemMemoryMb = SDL_GetSystemRAM();
bool is32Bit = sizeof(void*) == 4;
if (scaling <= 1.001f)
return EUpscalingFilter::NONE; // running at original resolution or even lower than that - no need for xbrz
@ -375,6 +376,9 @@ EUpscalingFilter ScreenHandler::loadUpscalingFilter() const
if (systemMemoryMb < 2048)
return EUpscalingFilter::NONE; // xbrz2 may use ~1.0 - 1.5 Gb of RAM and has notable CPU cost - avoid on low-spec hardware
if (is32Bit)
return EUpscalingFilter::NONE; // to be safe, avoid large numbers of memory (re)allocations when address space is small
// Only using xbrz2 for autoselection.
// Higher options may have high system requirements and should be only selected explicitly by player
return EUpscalingFilter::XBRZ_2;