[PATCH v4 3/7] winex11.drv: Initialize adapter registry data.
Zhiyi Zhang
zzhang at codeweavers.com
Mon May 20 08:08:47 CDT 2019
Signed-off-by: Zhiyi Zhang <zzhang at codeweavers.com>
---
dlls/winex11.drv/display.c | 97 +++++++++++++++++++++++++++++++++++++-
1 file changed, 95 insertions(+), 2 deletions(-)
diff --git a/dlls/winex11.drv/display.c b/dlls/winex11.drv/display.c
index d69380d8bc..0dbc92846b 100644
--- a/dlls/winex11.drv/display.c
+++ b/dlls/winex11.drv/display.c
@@ -42,6 +42,9 @@ WINE_DEFAULT_DEBUG_CHANNEL(x11drv);
static const WCHAR driver_descW[] = {'D','r','i','v','e','r','D','e','s','c',0};
static const WCHAR graphics_driverW[] = {'G','r','a','p','h','i','c','s','D','r','i','v','e','r',0};
static const WCHAR video_idW[] = {'V','i','d','e','o','I','D',0};
+static const WCHAR symbolic_link_valueW[]= {'S','y','m','b','o','l','i','c','L','i','n','k','V','a','l','u','e',0};
+static const WCHAR gpu_idW[] = {'G','P','U','I','D',0};
+static const WCHAR state_flagsW[] = {'S','t','a','t','e','F','l','a','g','s',0};
static const WCHAR guid_fmtW[] = {
'{','%','0','8','x','-','%','0','4','x','-','%','0','4','x','-','%','0','2','x','%','0','2','x','-',
'%','0','2','x','%','0','2','x','%','0','2','x','%','0','2','x','%','0','2','x','%','0','2','x','}',0};
@@ -74,6 +77,19 @@ static const WCHAR video_keyW[] = {
'H','A','R','D','W','A','R','E','\\',
'D','E','V','I','C','E','M','A','P','\\',
'V','I','D','E','O',0};
+static const WCHAR adapter_key_fmtW[] = {
+ 'S','y','s','t','e','m','\\',
+ 'C','u','r','r','e','n','t','C','o','n','t','r','o','l','S','e','t','\\',
+ 'C','o','n','t','r','o','l','\\',
+ 'V','i','d','e','o','\\',
+ '%','s','\\',
+ '%','0','4','x',0};
+static const WCHAR device_video_fmtW[] = {
+ '\\','D','e','v','i','c','e','\\',
+ 'V','i','d','e','o','%','d',0};
+static const WCHAR machine_prefixW[] = {
+ '\\','R','e','g','i','s','t','r','y','\\',
+ 'M','a','c','h','i','n','e','\\',0};
static struct x11drv_display_device_handler handler;
@@ -169,6 +185,63 @@ fail:
return ret;
}
+static BOOL X11DRV_InitAdapter(HKEY video_hkey, INT video_index, INT gpu_index, INT adapter_index,
+ const struct x11drv_gpu *gpu, const WCHAR *guid_string,
+ const WCHAR *gpu_driver, const struct x11drv_adapter *adapter)
+{
+ WCHAR adapter_keyW[MAX_PATH];
+ WCHAR key_nameW[MAX_PATH];
+ WCHAR bufferW[1024];
+ HKEY hkey = NULL;
+ BOOL ret = FALSE;
+ LSTATUS ls;
+
+ sprintfW(key_nameW, device_video_fmtW, video_index);
+ strcpyW(bufferW, machine_prefixW);
+ sprintfW(adapter_keyW, adapter_key_fmtW, guid_string, adapter_index);
+ strcatW(bufferW, adapter_keyW);
+
+ /* Write value of \Device\Video? (adapter key) in HKLM\HARDWARE\DEVICEMAP\VIDEO\ */
+ if (RegSetValueExW(video_hkey, key_nameW, 0, REG_SZ, (const BYTE *)bufferW, (strlenW(bufferW) + 1) * sizeof(WCHAR)))
+ goto fail;
+
+ /* Create HKLM\System\CurrentControlSet\Control\Video\{GPU GUID}\{Adapter Index} link to GPU driver */
+ ls = RegCreateKeyExW(HKEY_LOCAL_MACHINE, adapter_keyW, 0, NULL, REG_OPTION_VOLATILE | REG_OPTION_CREATE_LINK,
+ KEY_ALL_ACCESS, NULL, &hkey, NULL);
+ if (ls == ERROR_ALREADY_EXISTS)
+ RegCreateKeyExW(HKEY_LOCAL_MACHINE, adapter_keyW, 0, NULL, REG_OPTION_VOLATILE | REG_OPTION_OPEN_LINK,
+ KEY_ALL_ACCESS, NULL, &hkey, NULL);
+ if (RegSetValueExW(hkey, symbolic_link_valueW, 0, REG_LINK, (const BYTE *)gpu_driver,
+ strlenW(gpu_driver) * sizeof(WCHAR)))
+ goto fail;
+ RegCloseKey(hkey);
+ hkey = NULL;
+
+ /* FIXME:
+ * Following information are Wine specific, they don't really exist on Windows. They are used so that we can
+ * implement EnumDisplayDevices etc by querying registry only. These information are most likely reported by the
+ * device driver on Windows */
+ RegCreateKeyExW(HKEY_CURRENT_CONFIG, adapter_keyW, 0, NULL, REG_OPTION_VOLATILE, KEY_WRITE, NULL, &hkey, NULL);
+
+ /* Write GPU instance path so that we can find the GPU instance via adapters quickly. Another way is trying to match
+ * them via the GUID in Device Paramters/VideoID, but it would required enumrating all GPU instances */
+ sprintfW(bufferW, gpu_instance_fmtW, gpu->vendor_id, gpu->device_id, gpu->subsys_id, gpu->revision_id, gpu_index);
+ if (RegSetValueExW(hkey, gpu_idW, 0, REG_SZ, (const BYTE *)bufferW, (strlenW(bufferW) + 1) * sizeof(WCHAR)))
+ goto fail;
+
+ /* Write StateFlags */
+ if (RegSetValueExW(hkey, state_flagsW, 0, REG_DWORD, (const BYTE *)&adapter->state_flags,
+ sizeof(adapter->state_flags)))
+ goto fail;
+
+ ret = TRUE;
+fail:
+ RegCloseKey(hkey);
+ if (!ret)
+ ERR("Failed to initialize adapter\n");
+ return ret;
+}
+
static void prepare_devices(void)
{
static const BOOL not_present = FALSE;
@@ -211,10 +284,12 @@ static void cleanup_devices(void)
void X11DRV_DisplayDevices_Init(void)
{
struct x11drv_gpu *gpus = NULL;
- INT gpu_count;
- INT gpu;
+ struct x11drv_adapter *adapters = NULL;
+ INT gpu_count, adapter_count;
+ INT gpu, adapter;
HDEVINFO gpu_devinfo = NULL;
HKEY video_hkey = NULL;
+ INT video_index = 0;
DWORD disposition = 0;
WCHAR guidW[40];
WCHAR driverW[1024];
@@ -250,6 +325,22 @@ void X11DRV_DisplayDevices_Init(void)
{
if (!X11DRV_InitGpu(gpu_devinfo, &gpus[gpu], gpu, guidW, driverW))
goto fail;
+
+ /* Initialize adapters */
+ if (!handler.pGetAdapters(gpus[gpu].id, &adapters, &adapter_count))
+ goto fail;
+
+ for (adapter = 0; adapter < adapter_count; adapter++)
+ {
+ if (!X11DRV_InitAdapter(video_hkey, video_index, gpu, adapter,
+ &gpus[gpu], guidW, driverW, &adapters[adapter]))
+ goto fail;
+
+ video_index++;
+ }
+
+ handler.pFreeAdapters(adapters);
+ adapters = NULL;
}
success = TRUE;
@@ -259,6 +350,8 @@ fail:
RegCloseKey(video_hkey);
if (gpus)
handler.pFreeGpus(gpus);
+ if (adapters)
+ handler.pFreeAdapters(adapters);
if (!success)
ERR("Failed to initialize display devices\n");
}
--
2.20.1
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