winevulkan: Return NULL for unavailable instance functions.

dlls/winevulkan/loader.c

@@ -116,6 +116,9 @@ PFN_vkVoidFunction WINAPI vkGetInstanceProcAddr(VkInstance instance, const char
         return NULL;
     }
 
+    if (!unix_funcs->p_is_available_instance_function(instance, name))
+        return NULL;
+
     func = wine_vk_get_instance_proc_addr(name);
     if (func) return func;
 
@@ -175,6 +178,9 @@ void * WINAPI vk_icdGetPhysicalDeviceProcAddr(VkInstance instance, const char *n
 {
     TRACE("%p, %s\n", instance, debugstr_a(name));
 
+    if (!unix_funcs->p_is_available_instance_function(instance, name))
+        return NULL;
+
     return wine_vk_get_phys_dev_proc_addr(name);
 }
 

dlls/winevulkan/loader_thunks.h

@@ -419,6 +419,9 @@ struct unix_funcs
     VkResult (WINAPI *p_vkWaitSemaphores)(VkDevice, const VkSemaphoreWaitInfo *, uint64_t);
     VkResult (WINAPI *p_vkWaitSemaphoresKHR)(VkDevice, const VkSemaphoreWaitInfo *, uint64_t);
     VkResult (WINAPI *p_vkWriteAccelerationStructuresPropertiesKHR)(VkDevice, uint32_t, const VkAccelerationStructureKHR *, VkQueryType, size_t, void *, size_t);
+
+    /* winevulkan specific functions */
+    BOOL (WINAPI *p_is_available_instance_function)(VkInstance, const char *);
 };
 
 #endif /* __WINE_VULKAN_LOADER_THUNKS_H */

dlls/winevulkan/make_vulkan

@@ -2788,6 +2788,7 @@ class VkGenerator(object):
                 continue
 
             f.write("    &{1}{0},\n".format(vk_func.name, prefix))
+        f.write("    &wine_vk_is_available_instance_function,\n")
         f.write("};\n")
 
     def generate_thunks_h(self, f, prefix):
@@ -2988,6 +2989,9 @@ class VkGenerator(object):
                 continue
 
             f.write("    {0};\n".format(vk_func.pfn(conv=False, call_conv="WINAPI")))
+        f.write("\n")
+        f.write("    /* winevulkan specific functions */\n")
+        f.write("    BOOL (WINAPI *p_is_available_instance_function)(VkInstance, const char *);\n")
         f.write("};\n\n")
 
         f.write("#endif /* __WINE_VULKAN_LOADER_THUNKS_H */\n")

dlls/winevulkan/vulkan.c

@@ -1605,3 +1605,8 @@ void WINAPI wine_vkDestroyDebugReportCallbackEXT(
 
     free(object);
 }
+
+BOOL WINAPI wine_vk_is_available_instance_function(VkInstance instance, const char *name)
+{
+    return !!vk_funcs->p_vkGetInstanceProcAddr(instance->instance, name);
+}

dlls/winevulkan/vulkan_private.h

@@ -212,4 +212,6 @@ uint64_t wine_vk_unwrap_handle(VkObjectType type, uint64_t handle) DECLSPEC_HIDD
 
 extern const struct unix_funcs loader_funcs;
 
+BOOL WINAPI wine_vk_is_available_instance_function(VkInstance instance, const char *name) DECLSPEC_HIDDEN;
+
 #endif /* __WINE_VULKAN_PRIVATE_H */

dlls/winevulkan/vulkan_thunks.c

@@ -8719,4 +8719,5 @@ const struct unix_funcs loader_funcs =
     &wine_vkWaitSemaphores,
     &wine_vkWaitSemaphoresKHR,
     &wine_vkWriteAccelerationStructuresPropertiesKHR,
+    &wine_vk_is_available_instance_function,
 };

include/wine/vulkan.h

@@ -475,7 +475,7 @@
 #define VK_API_VERSION_1_0 VK_MAKE_API_VERSION(0, 1, 0, 0)
 #define VK_API_VERSION_1_1 VK_MAKE_API_VERSION(0, 1, 1, 0)
 #define VK_API_VERSION_1_2 VK_MAKE_API_VERSION(0, 1, 2, 0)
-#define VK_HEADER_VERSION 187
+#define VK_HEADER_VERSION 188
 #define VK_HEADER_VERSION_COMPLETE VK_MAKE_API_VERSION(0, 1, 2, VK_HEADER_VERSION)
 #define VK_DEFINE_HANDLE(object) typedef struct object##_T* object;
 #define VK_USE_64_BIT_PTR_DEFINES 0