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VideoBackends:Metal: Use unified memory path by default on all GPUs

This commit is contained in:
TellowKrinkle 2022-06-21 04:07:54 -05:00
parent 6ee0248eab
commit c48035908c
1 changed files with 4 additions and 3 deletions
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7
Source/Core/VideoBackends/Metal/MTLUtil.mm
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@ -211,12 +211,13 @@ void Metal::Util::PopulateBackendInfoFeatures(VideoConfig* config, id<MTLDevice>
config->backend_info.AAModes.push_back(i); config->backend_info.AAModes.push_back(i);
} }
// The unified memory path (using shared buffers for everything) performs noticeably better with
// bbox even on discrete GPUs (20fps vs 15fps in Super Paper Mario elevator), so default to that.
// The separate buffer + manual upload path is left available for testing and comparison.
if (char* env = getenv("MTL_UNIFIED_MEMORY")) if (char* env = getenv("MTL_UNIFIED_MEMORY"))
g_features.unified_memory = env[0] == '1' || env[0] == 'y' || env[0] == 'Y'; g_features.unified_memory = env[0] == '1' || env[0] == 'y' || env[0] == 'Y';
else if (@available(macOS 10.15, iOS 13.0, *))
g_features.unified_memory = [device hasUnifiedMemory];
else else
g_features.unified_memory = false; g_features.unified_memory = true;
g_features.subgroup_ops = false; g_features.subgroup_ops = false;
if (@available(macOS 10.15, iOS 13, *)) if (@available(macOS 10.15, iOS 13, *))