120 lines
3.8 KiB
C++
120 lines
3.8 KiB
C++
// SPDX-License-Identifier: LGPL-2.1-only
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// Copyright (C) 2021 James Hogan <james@albanarts.com>
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#include "Instance.h"
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#include "Quirks.h"
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#include <cstdlib>
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#include <cstring>
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#ifdef OSGXR_USE_X11
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#define USING_X11 1
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#else
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#define USING_X11 0
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#endif
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using namespace osgXR::OpenXR;
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void Quirks::probe(Instance *instance)
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{
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static struct {
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Quirk quirk;
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const char *envName;
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bool condition;
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const char *runtimeMatch;
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XrVersion runtimeVersionMin;
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XrVersion runtimeVersionMax;
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const char *description;
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} quirkInfo[] = {
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#define QUIRK(NAME, COND, RUNTIME, VMIN, VMAX, LINK) \
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{ NAME, "OSGXR_"#NAME, COND, RUNTIME, VMIN, VMAX, \
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#NAME LINK }
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#define MIN_XR_VERSION XR_MAKE_VERSION(0, 0, 0)
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#define MAX_XR_VERSION XR_MAKE_VERSION(-1, -1, -1)
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#define MATCH_MONADO "Monado"
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#define MATCH_STEAMVR "SteamVR"
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// As of 2021-12-16 Monado expects the GL context to be current.
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// See https://gitlab.freedesktop.org/monado/monado/-/issues/145
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// Fixed by https://gitlab.freedesktop.org/monado/monado/-/merge_requests/1216
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QUIRK(QUIRK_GL_CONTEXT_IGNORED,
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USING_X11,
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MATCH_MONADO, MIN_XR_VERSION, XR_MAKE_VERSION(21, 0, 0),
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" (https://gitlab.freedesktop.org/monado/monado/-/issues/145)"),
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// Prior to 1.16.4 linux_v1.14 switched context but didn't restore.
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// The SteamVR runtimeVersion is unfortunately fairly useless here.
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QUIRK(QUIRK_GL_CONTEXT_CHANGED,
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USING_X11,
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MATCH_STEAMVR, MIN_XR_VERSION, XR_MAKE_VERSION(0, 1, 0),
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""),
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// Since SteamVR 1.16.4 the GL context is cleared by various calls.
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// The SteamVR runtimeVersion is unfortunately fairly useless here.
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QUIRK(QUIRK_GL_CONTEXT_CLEARED,
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USING_X11,
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MATCH_STEAMVR, MIN_XR_VERSION, MAX_XR_VERSION,
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" (https://github.com/ValveSoftware/SteamVR-for-Linux/issues/421)"),
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// Since SteamVR 1.15.x apps hang during xrDestroyInstance.
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QUIRK(QUIRK_AVOID_DESTROY_INSTANCE,
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USING_X11,
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MATCH_STEAMVR, MIN_XR_VERSION, MAX_XR_VERSION,
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" (https://github.com/ValveSoftware/SteamVR-for-Linux/issues/422)"),
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#undef QUIRK
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};
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const char *runtime = instance->getRuntimeName();
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XrVersion version = instance->getRuntimeVersion();
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// Clear all quirks
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reset();
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// Probe each quirk
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for (auto &quirk: quirkInfo)
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{
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const char *env = getenv(quirk.envName);
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if (env)
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{
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if (!strncmp(env, "0", 2))
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{
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set(quirk.quirk, false);
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}
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else if (!strncmp(env, "1", 2))
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{
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set(quirk.quirk, true);
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}
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else
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{
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env = nullptr;
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OSG_WARN << "osgXR: Unknown value for env \""
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<< quirk.envName << "\", ignored" << std::endl;
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}
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}
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// Probe the runtime name and version
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if (!env &&
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quirk.condition &&
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!strncmp(runtime, quirk.runtimeMatch, strlen(quirk.runtimeMatch)) &&
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version >= quirk.runtimeVersionMin &&
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version <= quirk.runtimeVersionMax)
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{
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set(quirk.quirk, true);
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}
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}
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// Print to log any enabled quirks
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if (any())
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{
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OSG_WARN << "osgXR: OpenXR Runtime: \"" << runtime
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<< "\" version " << XR_VERSION_MAJOR(version)
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<< "." << XR_VERSION_MINOR(version)
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<< "." << XR_VERSION_PATCH(version) << std::endl;
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for (auto &quirk: quirkInfo)
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if (test(quirk.quirk))
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OSG_WARN << "osgXR: Enabling " << quirk.description << std::endl;
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}
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}
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