Sweden-Number/dlls/winevulkan/vulkan.c

221 lines
6.6 KiB
C

/* Wine Vulkan ICD implementation
*
* Copyright 2017 Roderick Colenbrander
*
* 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
*/
#include <stdarg.h>
#include "windef.h"
#include "winbase.h"
#include "winuser.h"
#include "wine/debug.h"
#include "wine/heap.h"
#include "wine/vulkan.h"
#include "wine/vulkan_driver.h"
#include "vulkan_private.h"
WINE_DEFAULT_DEBUG_CHANNEL(vulkan);
/* For now default to 4 as it felt like a reasonable version feature wise to support.
* Don't support the optional vk_icdGetPhysicalDeviceProcAddr introduced in this version
* as it is unlikely we will implement physical device extensions, which the loader is not
* aware off. Version 5 adds more extensive version checks. Something to tackle later.
*/
#define WINE_VULKAN_ICD_VERSION 4
static void *wine_vk_get_global_proc_addr(const char *name);
static const struct vulkan_funcs *vk_funcs = NULL;
static BOOL wine_vk_init(void)
{
HDC hdc = GetDC(0);
vk_funcs = __wine_get_vulkan_driver(hdc, WINE_VULKAN_DRIVER_VERSION);
if (!vk_funcs)
{
ERR("Failed to load Wine graphics driver supporting Vulkan.\n");
ReleaseDC(0, hdc);
return FALSE;
}
ReleaseDC(0, hdc);
return TRUE;
}
/* Helper function used for freeing an instance structure. This function supports full
* and partial object cleanups and can thus be used for vkCreateInstance failures.
*/
static void wine_vk_instance_free(struct VkInstance_T *instance)
{
if (!instance)
return;
if (instance->instance)
vk_funcs->p_vkDestroyInstance(instance->instance, NULL /* allocator */);
heap_free(instance);
}
static VkResult WINAPI wine_vkCreateInstance(const VkInstanceCreateInfo *create_info,
const VkAllocationCallbacks *allocator, VkInstance *instance)
{
struct VkInstance_T *object = NULL;
VkResult res;
TRACE("create_info %p, allocator %p, instance %p\n", create_info, allocator, instance);
if (allocator)
FIXME("Support for allocation callbacks not implemented yet\n");
object = heap_alloc(sizeof(*object));
if (!object)
{
ERR("Failed to allocate memory for instance\n");
res = VK_ERROR_OUT_OF_HOST_MEMORY;
goto err;
}
object->base.loader_magic = VULKAN_ICD_MAGIC_VALUE;
res = vk_funcs->p_vkCreateInstance(create_info, NULL /* allocator */, &object->instance);
if (res != VK_SUCCESS)
{
ERR("Failed to create instance, res=%d\n", res);
goto err;
}
*instance = object;
TRACE("Done, instance=%p native_instance=%p\n", object, object->instance);
return VK_SUCCESS;
err:
wine_vk_instance_free(object);
return res;
}
void WINAPI wine_vkDestroyInstance(VkInstance instance, const VkAllocationCallbacks *allocator)
{
TRACE("%p, %p\n", instance, allocator);
if (allocator)
FIXME("Support allocation allocators\n");
wine_vk_instance_free(instance);
}
static VkResult WINAPI wine_vkEnumerateInstanceExtensionProperties(const char *layer_name,
uint32_t *count, VkExtensionProperties *properties)
{
TRACE("%p %p %p\n", layer_name, count, properties);
return vk_funcs->p_vkEnumerateInstanceExtensionProperties(layer_name, count, properties);
}
static PFN_vkVoidFunction WINAPI wine_vkGetInstanceProcAddr(VkInstance instance, const char *name)
{
void *func;
TRACE("%p %s\n", instance, debugstr_a(name));
if (!name)
return NULL;
/* vkGetInstanceProcAddr can load most Vulkan functions when an instance is passed in, however
* for a NULL instance it can only load global functions.
*/
func = wine_vk_get_global_proc_addr(name);
if (func)
{
return func;
}
if (!instance)
{
FIXME("Global function '%s' not found\n", debugstr_a(name));
return NULL;
}
func = wine_vk_get_instance_proc_addr(name);
if (func) return func;
FIXME("Unsupported device or instance function: '%s'\n", debugstr_a(name));
return NULL;
}
void * WINAPI wine_vk_icdGetInstanceProcAddr(VkInstance instance, const char *name)
{
TRACE("%p %s\n", instance, debugstr_a(name));
/* Initial version of the Vulkan ICD spec required vkGetInstanceProcAddr to be
* exported. vk_icdGetInstanceProcAddr was added later to separete ICD calls from
* Vulkan API. One of them in our case should forward to the other, so just forward
* to the older vkGetInstanceProcAddr.
*/
return wine_vkGetInstanceProcAddr(instance, name);
}
VkResult WINAPI wine_vk_icdNegotiateLoaderICDInterfaceVersion(uint32_t *supported_version)
{
uint32_t req_version;
TRACE("%p\n", supported_version);
/* The spec is not clear how to handle this. Mesa drivers don't check, but it
* is probably best to not explode. VK_INCOMPLETE seems to be the closest value.
*/
if (!supported_version)
return VK_INCOMPLETE;
req_version = *supported_version;
*supported_version = min(req_version, WINE_VULKAN_ICD_VERSION);
TRACE("Loader requested ICD version %u, returning %u\n", req_version, *supported_version);
return VK_SUCCESS;
}
BOOL WINAPI DllMain(HINSTANCE hinst, DWORD reason, void *reserved)
{
switch (reason)
{
case DLL_PROCESS_ATTACH:
DisableThreadLibraryCalls(hinst);
return wine_vk_init();
}
return TRUE;
}
static const struct vulkan_func vk_global_dispatch_table[] =
{
{"vkCreateInstance", &wine_vkCreateInstance},
{"vkEnumerateInstanceExtensionProperties", &wine_vkEnumerateInstanceExtensionProperties},
{"vkGetInstanceProcAddr", &wine_vkGetInstanceProcAddr},
};
static void *wine_vk_get_global_proc_addr(const char *name)
{
unsigned int i;
for (i = 0; i < ARRAY_SIZE(vk_global_dispatch_table); i++)
{
if (strcmp(name, vk_global_dispatch_table[i].name) == 0)
{
TRACE("Found name=%s in global table\n", debugstr_a(name));
return vk_global_dispatch_table[i].func;
}
}
return NULL;
}