[PATCH 4/5] winevulkan: Add VkApplicationInfo specific Quirk regkey handling

[Liam Middlebrook]

Add support for regkeys to set Quirks bits depending on VkInstance's
pApplicationInfo->pApplicationName and pApplicationInfo->pEngineName properties.

Signed-off-by: Liam Middlebrook <lmiddlebrook at nvidia.com>
Signed-off-by: Daniel Koch <dkoch at nvidia.com>
---
 dlls/winevulkan/vulkan.c | 26 ++++++++++++++++++++++++--
 1 file changed, 24 insertions(+), 2 deletions(-)

diff --git a/dlls/winevulkan/vulkan.c b/dlls/winevulkan/vulkan.c
index a9a341209f8..e78ca1eda62 100644
--- a/dlls/winevulkan/vulkan.c
+++ b/dlls/winevulkan/vulkan.c
@@ -655,22 +655,44 @@ fail:
     return res;
 }
 
+static LSTATUS wine_vk_open_regkey_with_suffix(HKEY *key, const char *path_prefix, const char *path_suffix, BOOL allow_null_suffix)
+{
+    char buf[MAX_PATH];
+
+    if (!allow_null_suffix && !path_suffix)
+        return ERROR_INVALID_PARAMETER;
+
+    lstrcpynA(buf, path_prefix, MAX_PATH);
+    if (path_suffix)
+    {
+        strncat(buf, path_suffix, MAX_PATH - strlen(buf));
+    }
+    return RegOpenKeyA(HKEY_CURRENT_USER, buf, key);
+}
 
 static void wine_vk_process_quirks(const VkApplicationInfo *pApplicationInfo, struct VkInstance_T *object)
 {
     uint8_t validKeysMask = 0;
     int keyIndex = 0;
-    HKEY keys[1];
+    HKEY keys[3];
     int i;
 
     memset(&keys, 0, sizeof(keys));
 
     /* Match regkey settings in the following order, breaking early if settings
      * are found:
+     *     pApplicationInfo->pApplicationName
+     *         @@ Wine registry key: HKCU\Software\Wine\Vulkan\pApplicationName\<pApplicationName>
+     *     pApplicationInfo->pEngineName
+     *         @@ Wine registry key: HKCU\Software\Wine\Vulkan\pEngineName\<pEngineName>
      *     global defaults
      *         @@ Wine registry key: HKCU\Software\Wine\Vulkan
      */
-    if (RegOpenKeyA(HKEY_CURRENT_USER, "Software\\Wine\\Vulkan", keys + keyIndex++) == 0)
+    if (wine_vk_open_regkey_with_suffix(keys + keyIndex++, "Software\\Wine\\Vulkan\\pApplicationName\\", pApplicationInfo->pApplicationName, FALSE) == 0)
+        validKeysMask |= (1 << (keyIndex - 1));
+    if (wine_vk_open_regkey_with_suffix(keys + keyIndex++, "Software\\Wine\\Vulkan\\pEngineName\\", pApplicationInfo->pEngineName, FALSE) == 0)
+        validKeysMask |= (1 << (keyIndex - 1));
+    if (wine_vk_open_regkey_with_suffix(keys + keyIndex++, "Software\\Wine\\Vulkan", NULL, TRUE) == 0)
         validKeysMask |= (1 << (keyIndex - 1));
 
     /* Load Global Quirks */
-- 
2.17.1