[PATCH 1/4] win32u: Move OpenGL initialization to a separate source.

[Rémi Bernon]

From: Rémi Bernon

---
 dlls/win32u/Makefile.in |  1 +
 dlls/win32u/dc.c        | 32 ---------------------
 dlls/win32u/opengl.c    | 63 +++++++++++++++++++++++++++++++++++++++++
 3 files changed, 64 insertions(+), 32 deletions(-)
 create mode 100644 dlls/win32u/opengl.c

diff --git a/dlls/win32u/Makefile.in b/dlls/win32u/Makefile.in
index c64f6bc6fb9..b849f0c202d 100644
--- a/dlls/win32u/Makefile.in
+++ b/dlls/win32u/Makefile.in
@@ -39,6 +39,7 @@ SOURCES = \
    mapping.c \
    menu.c \
    message.c \
+	opengl.c \
    opentype.c \
    painting.c \
    palette.c \
diff --git a/dlls/win32u/dc.c b/dlls/win32u/dc.c
index 3f6a501041a..a2f76ffec71 100644
--- a/dlls/win32u/dc.c
+++ b/dlls/win32u/dc.c
@@ -36,8 +36,6 @@
 #include "winternl.h"
 #include "winerror.h"
 #include "ntgdi_private.h"
-#include "wine/wgl.h"
-#include "wine/wgl_driver.h"

#include "wine/debug.h"

@@ -1473,33 +1471,3 @@ BOOL WINAPI __wine_get_icm_profile( HDC hdc, BOOL allow_default, DWORD *size, WC
     release_dc_ptr(dc);
     return ret;
 }
-
-/***********************************************************************
- *      __wine_get_wgl_driver  (win32u.@)
- */
-const struct opengl_funcs *__wine_get_wgl_driver( HDC hdc, UINT version )
-{
-    BOOL is_display, is_memdc;
-    DC *dc;
-
-    if (version != WINE_WGL_DRIVER_VERSION)
-    {
-        ERR( "version mismatch, opengl32 wants %u but dibdrv has %u\n",
-             version, WINE_WGL_DRIVER_VERSION );
-        return NULL;
-    }
-
-    if (!(dc = get_dc_obj( hdc ))) return NULL;
-    if (dc->attr->disabled)
-    {
-        GDI_ReleaseObj( hdc );
-        return NULL;
-    }
-    is_display = dc->is_display;
-    is_memdc = get_gdi_object_type( hdc ) == NTGDI_OBJ_MEMDC;
-    GDI_ReleaseObj( hdc );
-
-    if (is_display) return user_driver->pwine_get_wgl_driver( version );
-    if (is_memdc) return dibdrv_get_wgl_driver();
-    return (void *)-1;
-}
diff --git a/dlls/win32u/opengl.c b/dlls/win32u/opengl.c
new file mode 100644
index 00000000000..0c4b77876d8
--- /dev/null
+++ b/dlls/win32u/opengl.c
@@ -0,0 +1,63 @@
+/*
+ * Copyright 2025 Rémi Bernon for CodeWeavers
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#if 0
+#pragma makedep unix
+#endif
+
+#include "config.h"
+
+#include <pthread.h>
+
+#include "ntstatus.h"
+#define WIN32_NO_STATUS
+#include "ntgdi_private.h"
+#include "win32u_private.h"
+#include "ntuser_private.h"
+
+#include "wine/wgl.h"
+#include "wine/wgl_driver.h"
+
+WINE_DEFAULT_DEBUG_CHANNEL(wgl);
+
+/***********************************************************************
+ *      __wine_get_wgl_driver  (win32u.@)
+ */
+const struct opengl_funcs *__wine_get_wgl_driver( HDC hdc, UINT version )
+{
+    DWORD is_disabled, is_display, is_memdc;
+    DC *dc;
+
+    if (version != WINE_WGL_DRIVER_VERSION)
+    {
+        ERR( "version mismatch, opengl32 wants %u but dibdrv has %u\n",
+             version, WINE_WGL_DRIVER_VERSION );
+        return NULL;
+    }
+
+    if (!(dc = get_dc_ptr( hdc ))) return NULL;
+    is_memdc = get_gdi_object_type( hdc ) == NTGDI_OBJ_MEMDC;
+    is_display = dc->is_display;
+    is_disabled = dc->attr->disabled;
+    release_dc_ptr( dc );
+
+    if (is_disabled) return NULL;
+    if (is_display) return user_driver->pwine_get_wgl_driver( version );
+    if (is_memdc) return dibdrv_get_wgl_driver();
+    return (void *)-1;
+}