[PATCH 3/4] win32u: Store whether a monitor is HDR-capable in gdi_monitor.

[Brendan Shanks]

From: Brendan Shanks

---
 dlls/win32u/sysparams.c   | 37 ++++++++++++++++++++++++++++++++++---
 include/wine/gdi_driver.h |  1 +
 2 files changed, 35 insertions(+), 3 deletions(-)

diff --git a/dlls/win32u/sysparams.c b/dlls/win32u/sysparams.c
index 92ac330847d..6987c47847c 100644
--- a/dlls/win32u/sysparams.c
+++ b/dlls/win32u/sysparams.c
@@ -64,6 +64,7 @@ static const char devpropkey_device_ispresentA[] = "Properties\{540B947E-8B40-4
 static const char devpropkey_monitor_gpu_luidA[] = "Properties\{CA085853-16CE-48AA-B114-DE9C72334223}\0001";
 static const char devpropkey_monitor_output_idA[] = "Properties\{CA085853-16CE-48AA-B114-DE9C72334223}\0002";
 static const char wine_devpropkey_monitor_rcworkA[] = "Properties\{233a9ef3-afc4-4abd-b564-c32f21f1535b}\0004";
+static const char wine_devpropkey_monitor_hdr_enabledA[] = "Properties\{233a9ef3-afc4-4abd-b564-c32f21f1535b}\0006";

static const WCHAR linkedW[] = {'L','i','n','k','e','d',0};
 static const WCHAR symbolic_link_valueW[] =
@@ -155,6 +156,7 @@ struct monitor
     RECT rc_work;
     BOOL is_clone;
     struct edid_monitor_info edid_info;
+    BOOL hdr_enabled;
 };

static struct list gpus = LIST_INIT(gpus);
@@ -755,6 +757,16 @@ static BOOL read_monitor_from_registry( struct monitor *monitor )
         NtClose( subkey );
     }

+    /* WINE_DEVPROPKEY_MONITOR_HDR_ENABLED */
+    size = query_reg_subkey_value( hkey, wine_devpropkey_monitor_hdr_enabledA,
+                                   value, sizeof(buffer) );
+    if (size != sizeof(monitor->hdr_enabled))
+    {
+        NtClose( hkey );
+        return FALSE;
+    }
+    monitor->hdr_enabled = *(const BOOL *)value->Data;
+
     NtClose( hkey );
     return TRUE;
 }
@@ -1928,6 +1940,14 @@ static BOOL write_monitor_to_registry( struct monitor *monitor, const BYTE *edid
         NtClose( subkey );
     }

+    /* WINE_DEVPROPKEY_MONITOR_HDR_ENABLED */
+    if ((subkey = reg_create_ascii_key( hkey, wine_devpropkey_monitor_hdr_enabledA, 0, NULL )))
+    {
+        set_reg_value( subkey, NULL, 0xffff0000 | DEVPROP_TYPE_BOOLEAN,
+                       &monitor->hdr_enabled, sizeof(monitor->hdr_enabled) );
+        NtClose( subkey );
+    }
+
     NtClose( hkey );

@@ -1957,6 +1977,7 @@ static void add_monitor( const struct gdi_monitor *gdi_monitor, void *param )
     monitor->id = source->monitor_count;
     monitor->output_id = ctx->monitor_count;
     monitor->rc_work = gdi_monitor->rc_work;
+    monitor->hdr_enabled = gdi_monitor->hdr_enabled;

TRACE( "%u %s %s\n", monitor->id, wine_dbgstr_rect(&gdi_monitor->rc_monitor), wine_dbgstr_rect(&gdi_monitor->rc_work) );

@@ -7786,12 +7807,22 @@ NTSTATUS WINAPI NtUserDisplayConfigGetDeviceInfo( DISPLAYCONFIG_DEVICE_INFO_HEAD
                         sizeof(monitor->source->gpu->luid) ))
                 continue;

-            color_info->advancedColorSupported = 0;
-            color_info->advancedColorEnabled = 0;
+            if (monitor->hdr_enabled)
+            {
+                color_info->advancedColorSupported = 1;
+                color_info->advancedColorEnabled = 1;
+                color_info->bitsPerColorChannel = 10;
+            }
+            else
+            {
+                color_info->advancedColorSupported = 0;
+                color_info->advancedColorEnabled = 0;
+                color_info->bitsPerColorChannel = 8;
+            }
             color_info->wideColorEnforced = 0;
             color_info->advancedColorForceDisabled = 0;
             color_info->colorEncoding = DISPLAYCONFIG_COLOR_ENCODING_RGB;
-            color_info->bitsPerColorChannel = 8;
+
             ret = STATUS_SUCCESS;
             break;
         }
diff --git a/include/wine/gdi_driver.h b/include/wine/gdi_driver.h
index 1e13900489e..81932436963 100644
--- a/include/wine/gdi_driver.h
+++ b/include/wine/gdi_driver.h
@@ -342,6 +342,7 @@ struct gdi_monitor
     RECT rc_work;         /* RcWork in MONITORINFO struct */
     unsigned char *edid;  /* Extended Device Identification Data */
     UINT edid_len;
+    BOOL hdr_enabled;
 };

struct gdi_device_manager