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-rw-r--r--addons/resource.language.en_gb/resources/strings.po20
-rwxr-xr-xsystem/settings/settings.xml47
-rw-r--r--xbmc/guilib/GUIShaderDX.cpp3
-rw-r--r--xbmc/platform/win32/WIN32Util.cpp98
-rw-r--r--xbmc/platform/win32/WIN32Util.h1
-rw-r--r--xbmc/rendering/dx/DeviceResources.cpp3
-rw-r--r--xbmc/settings/SettingConditions.cpp9
-rw-r--r--xbmc/settings/Settings.cpp1
-rw-r--r--xbmc/settings/Settings.h2
-rw-r--r--xbmc/windowing/WinSystem.h2
-rw-r--r--xbmc/windowing/win10/WinSystemWin10.cpp35
-rw-r--r--xbmc/windowing/win10/WinSystemWin10.h7
-rw-r--r--xbmc/windowing/windows/WinSystemWin32.cpp44
-rw-r--r--xbmc/windowing/windows/WinSystemWin32.h7
14 files changed, 256 insertions, 23 deletions
diff --git a/addons/resource.language.en_gb/resources/strings.po b/addons/resource.language.en_gb/resources/strings.po
index a98a144b82..b4bf45268d 100644
--- a/addons/resource.language.en_gb/resources/strings.po
+++ b/addons/resource.language.en_gb/resources/strings.po
@@ -18960,7 +18960,13 @@ msgctxt "#36053"
msgid "Tuner Device"
msgstr ""
-#empty strings from id 36054 to 36096
+#empty strings from id 36054 to 36095
+
+#. Label of setting "System / Display / Use system HDR/SDR brightness balance"
+#: system/settings/settings.xml
+msgctxt "#36096"
+msgid "Use system HDR/SDR brightness balance"
+msgstr ""
#. Label of setting "System / Display / GUI peak luminance in HDR PQ mode"
#: system/settings/settings.xml
@@ -23415,3 +23421,15 @@ msgstr ""
msgctxt "#39189"
msgid "Available only with manual subtitle position"
msgstr ""
+
+#. Help text for setting "Use system HDR/SDR brightness balance" of label #36096
+#: system/settings/settings.xml
+msgctxt "#39190"
+msgid "[ON] The brightness of the GUI in HDR mode follows the system's setting. This affects all OSD, subtitles and graphics that are SDR in origin.[CR][OFF] Set the max brightness manually."
+msgstr ""
+
+#. System / Display "HDR" settings group label
+#: system/settings/settings.xml
+msgctxt "#39191"
+msgid "HDR"
+msgstr ""
diff --git a/system/settings/settings.xml b/system/settings/settings.xml
index 51daf1ec2d..4cb005acb6 100755
--- a/system/settings/settings.xml
+++ b/system/settings/settings.xml
@@ -2592,17 +2592,6 @@
</constraints>
<control type="spinner" format="string" />
</setting>
- <setting id="videoscreen.guisdrpeakluminance" type="integer" label="36097" help="36547">
- <requirement>HAS_DX</requirement>
- <dependencies>
- <dependency type="visible">
- <condition on="property" name="ishdrdisplay" />
- </dependency>
- </dependencies>
- <level>2</level>
- <default>60</default>
- <control type="slider" format="percentage" range="0,100" />
- </setting>
<setting id="videoscreen.10bitsurfaces" type="integer" label="36098" help="36578">
<requirement>HAS_DX</requirement>
<level>3</level>
@@ -2821,7 +2810,37 @@
<control type="spinner" format="integer" />
</setting>
</group>
- <group id="2" label="14126">
+ <group id="2" label="39191">
+ <setting id="videoscreen.usesystemsdrpeakluminance" type="boolean" label="36096" help="39190">
+ <level>2</level>
+ <default>true</default>
+ <dependencies>
+ <dependency type="visible">
+ <and>
+ <condition on="property" name="ishdrdisplay" />
+ <condition on="property" name="hassystemsdrpeakluminance" />
+ </and>
+ </dependency>
+ </dependencies>
+ <control type="toggle" />
+ </setting>
+ <setting id="videoscreen.guisdrpeakluminance" type="integer" label="36097" help="36547">
+ <requirement>HAS_DX</requirement>
+ <dependencies>
+ <dependency type="visible" on="property" name="ishdrdisplay"/>
+ <dependency type="enable">
+ <or>
+ <condition on="property" name="hassystemsdrpeakluminance" operator="!is" />
+ <condition setting="videoscreen.usesystemsdrpeakluminance" operator="is">false</condition>
+ </or>
+ </dependency>
+ </dependencies>
+ <level>2</level>
+ <default>60</default>
+ <control type="slider" format="percentage" range="0,100" />
+ </setting>
+ </group>
+ <group id="3" label="14126">
<setting id="videoscreen.whitelist" type="list[string]" parent="videoscreen.screen" label="14126" help="36443">
<level>3</level>
<default></default>
@@ -2851,7 +2870,7 @@
<control type="toggle" />
</setting>
</group>
- <group id="3" label="14232">
+ <group id="4" label="14232">
<setting id="videoscreen.stereoscopicmode" type="integer" label="36500" help="36539">
<level>2</level>
<default>0</default>
@@ -2872,7 +2891,7 @@
<control type="list" format="integer"/>
</setting>
</group>
- <group id="4" label="496">
+ <group id="5" label="496">
<setting id="videoscreen.noofbuffers" type="integer" label="36043" help="36552">
<level>2</level>
<default>3</default> <!-- triple buffers -->
diff --git a/xbmc/guilib/GUIShaderDX.cpp b/xbmc/guilib/GUIShaderDX.cpp
index b9e801ecc9..f5e7adf221 100644
--- a/xbmc/guilib/GUIShaderDX.cpp
+++ b/xbmc/guilib/GUIShaderDX.cpp
@@ -334,7 +334,8 @@ void CGUIShaderDX::ApplyChanges(void)
buffer->wvp = worldViewProj;
buffer->blackLevel = (DX::Windowing()->UseLimitedColor() ? 16.f / 255.f : 0.f);
buffer->colorRange = (DX::Windowing()->UseLimitedColor() ? (235.f - 16.f) / 255.f : 1.0f);
- buffer->sdrPeakLum = (100 - DX::Windowing()->GetGuiSdrPeakLuminance()) + 10;
+ if (DX::Windowing()->IsTransferPQ())
+ buffer->sdrPeakLum = 10000.0f / DX::Windowing()->GetGuiSdrPeakLuminance();
buffer->PQ = (DX::Windowing()->IsTransferPQ() ? 1 : 0);
pContext->Unmap(m_pWVPBuffer.Get(), 0);
diff --git a/xbmc/platform/win32/WIN32Util.cpp b/xbmc/platform/win32/WIN32Util.cpp
index ae8dc94a34..faadae57ad 100644
--- a/xbmc/platform/win32/WIN32Util.cpp
+++ b/xbmc/platform/win32/WIN32Util.cpp
@@ -1424,6 +1424,104 @@ HDR_STATUS CWIN32Util::GetWindowsHDRStatus()
return status;
}
+/*!
+ * \brief Retrieve from the system the max luminance of SDR content in HDR.
+ *
+ * Retrieve from the system the max luminance of SDR content in HDR.
+ * Note: always returns 80 nits when the screen is in SDR mode.
+ *
+ * \param gdiDeviceName The screen to retrieve the information for
+ * \param sdrWhiteLevel Max luminance in nits, clamped to 10000
+ * \return true if a value could be read from the system and copied to sdrWhiteLevel, false otherwise
+*/
+bool CWIN32Util::GetSystemSdrWhiteLevel(const std::wstring& gdiDeviceName, float* sdrWhiteLevel)
+{
+#ifdef TARGET_WINDOWS_STORE
+ auto displayInformation = DisplayInformation::GetForCurrentView();
+
+ if (displayInformation)
+ {
+ auto advancedColorInfo = displayInformation.GetAdvancedColorInfo();
+
+ if (advancedColorInfo)
+ {
+ const float sdrNits = advancedColorInfo.SdrWhiteLevelInNits();
+ if (sdrWhiteLevel)
+ {
+ if (sdrNits > 10000.0f)
+ *sdrWhiteLevel = 10000.0f;
+ else
+ *sdrWhiteLevel = sdrNits;
+ }
+ return true;
+ }
+ }
+ return false;
+#else
+ // DISPLAYCONFIG_DEVICE_INFO_GET_SDR_WHITE_LEVEL was added in Windows 10 1709
+
+ uint32_t pathCount{0};
+ uint32_t modeCount{0};
+ std::vector<DISPLAYCONFIG_PATH_INFO> paths;
+ std::vector<DISPLAYCONFIG_MODE_INFO> modes;
+
+ uint32_t flags = QDC_ONLY_ACTIVE_PATHS;
+ LONG result = ERROR_SUCCESS;
+
+ do
+ {
+ if (GetDisplayConfigBufferSizes(flags, &pathCount, &modeCount) != ERROR_SUCCESS)
+ return false;
+
+ paths.resize(pathCount);
+ modes.resize(modeCount);
+
+ result = QueryDisplayConfig(flags, &pathCount, paths.data(), &modeCount, modes.data(), nullptr);
+ } while (result == ERROR_INSUFFICIENT_BUFFER);
+
+ if (result == ERROR_SUCCESS)
+ {
+ paths.resize(pathCount);
+ modes.resize(modeCount);
+
+ for (const auto& path : paths)
+ {
+ DISPLAYCONFIG_SOURCE_DEVICE_NAME source{};
+ source.header.type = DISPLAYCONFIG_DEVICE_INFO_GET_SOURCE_NAME;
+ source.header.size = sizeof(source);
+ source.header.adapterId = path.sourceInfo.adapterId;
+ source.header.id = path.sourceInfo.id;
+
+ if (DisplayConfigGetDeviceInfo(&source.header) == ERROR_SUCCESS)
+ {
+ if (gdiDeviceName == source.viewGdiDeviceName)
+ {
+ DISPLAYCONFIG_SDR_WHITE_LEVEL config{};
+ config.header.type = DISPLAYCONFIG_DEVICE_INFO_GET_SDR_WHITE_LEVEL;
+ config.header.size = sizeof(config);
+ config.header.adapterId = path.targetInfo.adapterId;
+ config.header.id = path.targetInfo.id;
+ if (DisplayConfigGetDeviceInfo(&config.header) == ERROR_SUCCESS)
+ {
+ if (sdrWhiteLevel)
+ {
+ const float sdrNits = static_cast<const float>(config.SDRWhiteLevel * 80 / 1000);
+ if (sdrNits > 10000.0f)
+ *sdrWhiteLevel = 10000.0f;
+ else
+ *sdrWhiteLevel = sdrNits;
+ }
+ return true;
+ }
+ break;
+ }
+ }
+ }
+ }
+ return (false);
+#endif
+}
+
void CWIN32Util::PlatformSyslog()
{
CLog::Log(LOGINFO, "System has {:.1f} GB of RAM installed",
diff --git a/xbmc/platform/win32/WIN32Util.h b/xbmc/platform/win32/WIN32Util.h
index 247d42c754..4cd0ec5ba2 100644
--- a/xbmc/platform/win32/WIN32Util.h
+++ b/xbmc/platform/win32/WIN32Util.h
@@ -78,6 +78,7 @@ public:
// HDR display support
static HDR_STATUS ToggleWindowsHDR(DXGI_MODE_DESC& modeDesc);
static HDR_STATUS GetWindowsHDRStatus();
+ static bool GetSystemSdrWhiteLevel(const std::wstring& gdiDeviceName, float* sdrWhiteLevel);
static void PlatformSyslog();
diff --git a/xbmc/rendering/dx/DeviceResources.cpp b/xbmc/rendering/dx/DeviceResources.cpp
index 96ca0568f8..c479b4b49d 100644
--- a/xbmc/rendering/dx/DeviceResources.cpp
+++ b/xbmc/rendering/dx/DeviceResources.cpp
@@ -1273,6 +1273,9 @@ void DX::DeviceResources::SetHdrColorSpace(const DXGI_COLOR_SPACE_TYPE colorSpac
{
m_IsTransferPQ = (colorSpace == DXGI_COLOR_SPACE_RGB_FULL_G2084_NONE_P2020);
+ if (m_IsTransferPQ)
+ DX::Windowing()->CacheSystemSdrPeakLuminance();
+
CLog::LogF(LOGDEBUG, "DXGI SetColorSpace1 success");
}
else
diff --git a/xbmc/settings/SettingConditions.cpp b/xbmc/settings/SettingConditions.cpp
index f0a78a8829..cc7181604c 100644
--- a/xbmc/settings/SettingConditions.cpp
+++ b/xbmc/settings/SettingConditions.cpp
@@ -102,6 +102,14 @@ bool HasPowerOffFeature(const std::string& condition,
return CServiceBroker::GetPeripherals().SupportsFeature(PERIPHERALS::FEATURE_POWER_OFF);
}
+bool HasSystemSdrPeakLuminance(const std::string& condition,
+ const std::string& value,
+ const SettingConstPtr& setting,
+ void* data)
+{
+ return CServiceBroker::GetWinSystem()->HasSystemSdrPeakLuminance();
+}
+
bool IsFullscreen(const std::string& condition,
const std::string& value,
const SettingConstPtr& setting,
@@ -447,6 +455,7 @@ void CSettingConditions::Initialize()
m_complexConditions.emplace("hasrumblefeature", HasRumbleFeature);
m_complexConditions.emplace("hasrumblecontroller", HasRumbleController);
m_complexConditions.emplace("haspowerofffeature", HasPowerOffFeature);
+ m_complexConditions.emplace("hassystemsdrpeakluminance", HasSystemSdrPeakLuminance);
m_complexConditions.emplace("isfullscreen", IsFullscreen);
m_complexConditions.emplace("ishdrdisplay", IsHDRDisplay);
m_complexConditions.emplace("ismasteruser", IsMasterUser);
diff --git a/xbmc/settings/Settings.cpp b/xbmc/settings/Settings.cpp
index b403b63bdf..e4a2c9d59c 100644
--- a/xbmc/settings/Settings.cpp
+++ b/xbmc/settings/Settings.cpp
@@ -366,6 +366,7 @@ constexpr const char* CSettings::SETTING_VIDEOSCREEN_TESTPATTERN;
constexpr const char* CSettings::SETTING_VIDEOSCREEN_LIMITEDRANGE;
constexpr const char* CSettings::SETTING_VIDEOSCREEN_FRAMEPACKING;
constexpr const char* CSettings::SETTING_VIDEOSCREEN_10BITSURFACES;
+constexpr const char* CSettings::SETTING_VIDEOSCREEN_USESYSTEMSDRPEAKLUMINANCE;
constexpr const char* CSettings::SETTING_VIDEOSCREEN_GUISDRPEAKLUMINANCE;
constexpr const char* CSettings::SETTING_AUDIOOUTPUT_AUDIODEVICE;
constexpr const char* CSettings::SETTING_AUDIOOUTPUT_CHANNELS;
diff --git a/xbmc/settings/Settings.h b/xbmc/settings/Settings.h
index cdd2d31ae3..f710d0fd2f 100644
--- a/xbmc/settings/Settings.h
+++ b/xbmc/settings/Settings.h
@@ -365,6 +365,8 @@ public:
static constexpr auto SETTING_VIDEOSCREEN_LIMITEDRANGE = "videoscreen.limitedrange";
static constexpr auto SETTING_VIDEOSCREEN_FRAMEPACKING = "videoscreen.framepacking";
static constexpr auto SETTING_VIDEOSCREEN_10BITSURFACES = "videoscreen.10bitsurfaces";
+ static constexpr auto SETTING_VIDEOSCREEN_USESYSTEMSDRPEAKLUMINANCE =
+ "videoscreen.usesystemsdrpeakluminance";
static constexpr auto SETTING_VIDEOSCREEN_GUISDRPEAKLUMINANCE = "videoscreen.guisdrpeakluminance";
static constexpr auto SETTING_AUDIOOUTPUT_AUDIODEVICE = "audiooutput.audiodevice";
static constexpr auto SETTING_AUDIOOUTPUT_CHANNELS = "audiooutput.channels";
diff --git a/xbmc/windowing/WinSystem.h b/xbmc/windowing/WinSystem.h
index cac94b06d6..f3d0fb90fe 100644
--- a/xbmc/windowing/WinSystem.h
+++ b/xbmc/windowing/WinSystem.h
@@ -173,8 +173,8 @@ public:
virtual HDR_STATUS ToggleHDR() { return HDR_STATUS::HDR_UNSUPPORTED; }
virtual HDR_STATUS GetOSHDRStatus() { return HDR_STATUS::HDR_UNSUPPORTED; }
virtual CHDRCapabilities GetDisplayHDRCapabilities() const { return {}; }
-
static const char* SETTING_WINSYSTEM_IS_HDR_DISPLAY;
+ virtual bool HasSystemSdrPeakLuminance() { return false; }
// Gets debug info from video renderer
virtual DEBUG_INFO_RENDER GetDebugInfo() { return {}; }
diff --git a/xbmc/windowing/win10/WinSystemWin10.cpp b/xbmc/windowing/win10/WinSystemWin10.cpp
index 6de3f78737..14e539a385 100644
--- a/xbmc/windowing/win10/WinSystemWin10.cpp
+++ b/xbmc/windowing/win10/WinSystemWin10.cpp
@@ -9,6 +9,7 @@
#include "WinSystemWin10.h"
#include "ServiceBroker.h"
+#include "WIN32Util.h"
#include "WinEventsWin10.h"
#include "application/Application.h"
#include "cores/AudioEngine/AESinkFactory.h"
@@ -650,11 +651,41 @@ bool CWinSystemWin10::MessagePump()
return m_winEvents->MessagePump();
}
-int CWinSystemWin10::GetGuiSdrPeakLuminance() const
+/*!
+ * \brief Max luminance for GUI SDR content in HDR mode.
+ * \return Max luminance in nits, lower than 10000.
+*/
+float CWinSystemWin10::GetGuiSdrPeakLuminance() const
{
const auto settings = CServiceBroker::GetSettingsComponent()->GetSettings();
- return settings->GetInt(CSettings::SETTING_VIDEOSCREEN_GUISDRPEAKLUMINANCE);
+ // use cached system value as this is called for each frame
+ if (settings->GetBool(CSettings::SETTING_VIDEOSCREEN_USESYSTEMSDRPEAKLUMINANCE) &&
+ m_validSystemSdrPeakLuminance)
+ return m_systemSdrPeakLuminance;
+
+ // Max nits for 100% UI setting = 1000 nits, < 10000 nits, min 80 nits for 0%
+ int guiSdrPeak = settings->GetInt(CSettings::SETTING_VIDEOSCREEN_GUISDRPEAKLUMINANCE);
+ return 10000.0f / ((100 - guiSdrPeak) * 1.15f + 10);
+}
+
+/*!
+ * \brief Test support of the OS for a SDR max luminance in HDR mode setting
+ * \return true when the OS supports that setting, false otherwise
+*/
+bool CWinSystemWin10::HasSystemSdrPeakLuminance()
+{
+ return CWIN32Util::GetSystemSdrWhiteLevel(std::wstring(), nullptr);
+}
+
+/*!
+ * \brief Cache the system HDR/SDR balance for use during rendering, instead of querying the API
+ for each frame.
+*/
+void CWinSystemWin10::CacheSystemSdrPeakLuminance()
+{
+ m_validSystemSdrPeakLuminance =
+ CWIN32Util::GetSystemSdrWhiteLevel(std::wstring(), &m_systemSdrPeakLuminance);
}
#pragma pack(pop)
diff --git a/xbmc/windowing/win10/WinSystemWin10.h b/xbmc/windowing/win10/WinSystemWin10.h
index 0f2b41e70a..d8560b3a7f 100644
--- a/xbmc/windowing/win10/WinSystemWin10.h
+++ b/xbmc/windowing/win10/WinSystemWin10.h
@@ -81,6 +81,7 @@ public:
bool Show(bool raise = true) override;
std::string GetClipboardText() override;
bool UseLimitedColor() override;
+ bool HasSystemSdrPeakLuminance() override;
// videosync
std::unique_ptr<CVideoSync> GetVideoSync(void *clock) override;
@@ -96,7 +97,8 @@ public:
virtual bool DPIChanged(WORD dpi, RECT windowRect) const;
bool IsMinimized() const { return m_bMinimized; }
void SetMinimized(bool minimized) { m_bMinimized = minimized; }
- int GetGuiSdrPeakLuminance() const;
+ float GetGuiSdrPeakLuminance() const;
+ void CacheSystemSdrPeakLuminance();
bool CanDoWindowed() override;
@@ -150,6 +152,9 @@ protected:
bool m_bFirstResChange = true;
winrt::Windows::UI::Core::CoreWindow m_coreWindow = nullptr;
+
+ bool m_validSystemSdrPeakLuminance{false};
+ float m_systemSdrPeakLuminance{.0f};
};
#pragma pack(pop)
diff --git a/xbmc/windowing/windows/WinSystemWin32.cpp b/xbmc/windowing/windows/WinSystemWin32.cpp
index c75aa2a0c8..cb7dcfe257 100644
--- a/xbmc/windowing/windows/WinSystemWin32.cpp
+++ b/xbmc/windowing/windows/WinSystemWin32.cpp
@@ -1304,9 +1304,49 @@ RECT CWinSystemWin32::GetVirtualScreenRect()
return rect;
}
-int CWinSystemWin32::GetGuiSdrPeakLuminance() const
+/*!
+ * \brief Max luminance for GUI SDR content in HDR mode.
+ * \return Max luminance in nits, lower than 10000.
+*/
+float CWinSystemWin32::GetGuiSdrPeakLuminance() const
{
const auto settings = CServiceBroker::GetSettingsComponent()->GetSettings();
- return settings->GetInt(CSettings::SETTING_VIDEOSCREEN_GUISDRPEAKLUMINANCE);
+ // use cached system value as this is called for each frame
+ if (settings->GetBool(CSettings::SETTING_VIDEOSCREEN_USESYSTEMSDRPEAKLUMINANCE) &&
+ m_validSystemSdrPeakLuminance)
+ return m_systemSdrPeakLuminance;
+
+ // Max nits for 100% UI setting = 1000 nits, < 10000 nits, min 80 nits for 0%
+ int guiSdrPeak = settings->GetInt(CSettings::SETTING_VIDEOSCREEN_GUISDRPEAKLUMINANCE);
+ return 10000.0f / ((100 - guiSdrPeak) * 1.15f + 10);
+}
+
+/*!
+ * \brief Test support of the OS for a SDR max luminance in HDR mode setting
+ * \return true when the OS supports that setting, false otherwise
+*/
+bool CWinSystemWin32::HasSystemSdrPeakLuminance()
+{
+ MONITOR_DETAILS* md = GetDisplayDetails(m_hMonitor);
+ if (md)
+ return CWIN32Util::GetSystemSdrWhiteLevel(md->DeviceNameW, nullptr);
+
+ return false;
+}
+
+/*!
+ * \brief Cache the system HDR/SDR balance for use during rendering, instead of querying the API
+ for each frame.
+*/
+void CWinSystemWin32::CacheSystemSdrPeakLuminance()
+{
+ m_validSystemSdrPeakLuminance = false;
+
+ MONITOR_DETAILS* md = GetDisplayDetails(m_hMonitor);
+ if (md)
+ {
+ m_validSystemSdrPeakLuminance =
+ CWIN32Util::GetSystemSdrWhiteLevel(md->DeviceNameW, &m_systemSdrPeakLuminance);
+ }
}
diff --git a/xbmc/windowing/windows/WinSystemWin32.h b/xbmc/windowing/windows/WinSystemWin32.h
index 170115942d..85e62dab7a 100644
--- a/xbmc/windowing/windows/WinSystemWin32.h
+++ b/xbmc/windowing/windows/WinSystemWin32.h
@@ -95,6 +95,7 @@ public:
bool Show(bool raise = true) override;
std::string GetClipboardText() override;
bool UseLimitedColor() override;
+ bool HasSystemSdrPeakLuminance() override;
// videosync
std::unique_ptr<CVideoSync> GetVideoSync(void *clock) override;
@@ -112,7 +113,8 @@ public:
virtual bool DPIChanged(WORD dpi, RECT windowRect) const;
bool IsMinimized() const { return m_bMinimized; }
void SetMinimized(bool minimized);
- int GetGuiSdrPeakLuminance() const;
+ float GetGuiSdrPeakLuminance() const;
+ void CacheSystemSdrPeakLuminance();
void SetSizeMoveMode(bool mode) { m_bSizeMoveEnabled = mode; }
bool IsInSizeMoveMode() const { return m_bSizeMoveEnabled; }
@@ -190,6 +192,9 @@ protected:
static const char* SETTING_WINDOW_TOP;
static const char* SETTING_WINDOW_LEFT;
+
+ bool m_validSystemSdrPeakLuminance{false};
+ float m_systemSdrPeakLuminance{.0f};
};
extern HWND g_hWnd;
generated by cgit v1.2.3 (git 2.26.2) at 2025-03-19 16:22:38 +0000