[dxgi] Add dxgi.enableHDR option

dxvk.conf

@@ -1,3 +1,15 @@
+# Expose the HDR10 ColorSpace (DXGI_COLOR_SPACE_RGB_FULL_G2084_NONE_P2020)
+# to the application by default.
+# This shows to the game that the global Windows 'HDR Mode' is enabled.
+# Many (broken) games will need this to be set to consider exposing HDR output
+# as determine it based on the DXGIOutput's current ColorSpace instead of
+# using CheckColorSpaceSupport.
+# This defaults to the value of the DXVK_HDR environment variable.
+# 
+# Supported values: True, False
+
+# dxgi.enableHDR = True
+
 # Create the VkSurface on the first call to IDXGISwapChain::Present,
 # rather than when creating the swap chain. Some games that start
 # rendering with a different graphics API may require this option,

src/dxgi/dxgi_factory.cpp

@@ -8,7 +8,7 @@ namespace dxvk {
   DxgiFactory::DxgiFactory(UINT Flags)
   : m_instance    (new DxvkInstance()),
     m_options     (m_instance->config()),
-    m_monitorInfo (this),
+    m_monitorInfo (this, m_options),
     m_flags       (Flags) {
     for (uint32_t i = 0; m_instance->enumAdapters(i) != nullptr; i++)
       m_instance->enumAdapters(i)->logAdapterInfo();

src/dxgi/dxgi_monitor.cpp

@@ -2,8 +2,9 @@
 
 namespace dxvk {
 
-  DxgiMonitorInfo::DxgiMonitorInfo(IUnknown* pParent)
+  DxgiMonitorInfo::DxgiMonitorInfo(IUnknown* pParent, const DxgiOptions& options)
   : m_parent(pParent)
+  , m_options(options)
   , m_globalColorSpace(DefaultColorSpace()) {
 
   }
@@ -80,8 +81,8 @@ namespace dxvk {
   }
 
 
-  DXGI_COLOR_SPACE_TYPE DxgiMonitorInfo::DefaultColorSpace() {
-    return env::getEnvVar("DXVK_HDR") == "1"
+  DXGI_COLOR_SPACE_TYPE DxgiMonitorInfo::DefaultColorSpace() const {
+    return m_options.enableHDR
       ? DXGI_COLOR_SPACE_RGB_FULL_G2084_NONE_P2020
       : DXGI_COLOR_SPACE_RGB_FULL_G22_NONE_P709;
   }

src/dxgi/dxgi_monitor.h

@@ -4,6 +4,7 @@
 #include <unordered_map>
 
 #include "dxgi_interfaces.h"
+#include "dxgi_options.h"
 
 #include "../wsi/wsi_monitor.h"
 
@@ -15,7 +16,7 @@ namespace dxvk {
 
   public:
 
-    DxgiMonitorInfo(IUnknown* pParent);
+    DxgiMonitorInfo(IUnknown* pParent, const DxgiOptions& options);
 
     ~DxgiMonitorInfo();
 
@@ -41,11 +42,12 @@ namespace dxvk {
 
     DXGI_COLOR_SPACE_TYPE STDMETHODCALLTYPE CurrentColorSpace() const;
 
-    static DXGI_COLOR_SPACE_TYPE DefaultColorSpace();
+    DXGI_COLOR_SPACE_TYPE DefaultColorSpace() const;
 
   private:
 
     IUnknown* m_parent;
+    const DxgiOptions& m_options;
 
     dxvk::mutex                                        m_monitorMutex;
     std::unordered_map<HMONITOR, DXGI_VK_MONITOR_DATA> m_monitorData;

src/dxgi/dxgi_options.cpp

@@ -45,6 +45,8 @@ namespace dxvk {
       this->nvapiHack = false;
     else
       this->nvapiHack = config.getOption<bool>("dxgi.nvapiHack", true);
+
+    this->enableHDR = config.getOption<bool>("dxgi.enableHDR", env::getEnvVar("DXVK_HDR") == "1");
   }
   
 }

src/dxgi/dxgi_options.h

@@ -35,6 +35,9 @@ namespace dxvk {
 
     /// Enables nvapi workaround
     bool nvapiHack;
+
+    /// Enable HDR
+    bool enableHDR;
   };
   
 }

src/dxgi/dxgi_output.cpp

@@ -20,7 +20,7 @@
 
 namespace dxvk {
 
-  static void NormalizeDisplayMetadata(wsi::WsiDisplayMetadata& metadata) {
+  static void NormalizeDisplayMetadata(const DxgiMonitorInfo *pMonitorInfo, wsi::WsiDisplayMetadata& metadata) {
     // Use some dummy info when we have no hdr static metadata for the
     // display or we were unable to obtain an EDID.
     //
@@ -49,7 +49,7 @@ namespace dxvk {
      && metadata.greenPrimary[0] == 0.0f && metadata.greenPrimary[1] == 0.0f
      && metadata.bluePrimary[0]  == 0.0f && metadata.bluePrimary[1]  == 0.0f
      && metadata.whitePoint[0]   == 0.0f && metadata.whitePoint[1]   == 0.0f) {
-      if (DxgiMonitorInfo::DefaultColorSpace() == DXGI_COLOR_SPACE_RGB_FULL_G22_NONE_P709) {
+      if (pMonitorInfo->DefaultColorSpace() == DXGI_COLOR_SPACE_RGB_FULL_G22_NONE_P709) {
         // sRGB ColorSpace -> Rec.709 Primaries
         metadata.redPrimary[0]   = 0.640f;
         metadata.redPrimary[1]   = 0.330f;
@@ -722,7 +722,7 @@ namespace dxvk {
 
     // Normalize either the display metadata we got back, or our
     // blank one to get something sane here.
-    NormalizeDisplayMetadata(m_metadata);
+    NormalizeDisplayMetadata(m_monitorInfo, m_metadata);
 
     monitorData.FrameStats.SyncQPCTime.QuadPart = dxvk::high_resolution_clock::get_counter();
     monitorData.GammaCurve.Scale = { 1.0f, 1.0f, 1.0f };