Sweden-Number/dlls/winex11.drv/vulkan.c

155 lines
4.6 KiB
C

/* X11DRV Vulkan 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 "config.h"
#include "wine/port.h"
#include <stdarg.h>
#include "windef.h"
#include "winbase.h"
#include "wine/debug.h"
#include "wine/library.h"
#include "wine/vulkan.h"
#include "wine/vulkan_driver.h"
#ifdef SONAME_LIBVULKAN
WINE_DEFAULT_DEBUG_CHANNEL(vulkan);
static VkResult (*pvkCreateInstance)(const VkInstanceCreateInfo *, const VkAllocationCallbacks *, VkInstance *);
static void (*pvkDestroyInstance)(VkInstance, const VkAllocationCallbacks *);
static void * (*pvkGetInstanceProcAddr)(VkInstance, const char *);
static BOOL wine_vk_init(void)
{
static BOOL init_done = FALSE;
static void *vulkan_handle;
if (init_done) return (vulkan_handle != NULL);
init_done = TRUE;
if (!(vulkan_handle = wine_dlopen(SONAME_LIBVULKAN, RTLD_NOW, NULL, 0))) return FALSE;
#define LOAD_FUNCPTR(f) if((p##f = wine_dlsym(vulkan_handle, #f, NULL, 0)) == NULL) return FALSE;
LOAD_FUNCPTR(vkCreateInstance)
LOAD_FUNCPTR(vkDestroyInstance)
LOAD_FUNCPTR(vkGetInstanceProcAddr)
#undef LOAD_FUNCPTR
return TRUE;
}
static VkResult X11DRV_vkCreateInstance(const VkInstanceCreateInfo *create_info,
const VkAllocationCallbacks *allocator, VkInstance *instance)
{
TRACE("create_info %p, allocator %p, instance %p\n", create_info, allocator, instance);
if (allocator)
FIXME("Support for allocation callbacks not implemented yet\n");
/* TODO: convert win32 to x11 extensions here. */
if (create_info->enabledExtensionCount > 0)
{
FIXME("Extensions are not supported yet, aborting!\n");
return VK_ERROR_INCOMPATIBLE_DRIVER;
}
return pvkCreateInstance(create_info, NULL /* allocator */, instance);
}
static void X11DRV_vkDestroyInstance(VkInstance instance, const VkAllocationCallbacks *allocator)
{
TRACE("%p %p\n", instance, allocator);
if (allocator)
FIXME("Support for allocation callbacks not implemented yet\n");
pvkDestroyInstance(instance, NULL /* allocator */);
}
static VkResult X11DRV_vkEnumerateInstanceExtensionProperties(const char *layer_name,
uint32_t *count, VkExtensionProperties* properties)
{
TRACE("layer_name %s, count %p, properties %p\n", debugstr_a(layer_name), count, properties);
/* This shouldn't get called with layer_name set, the ICD loader prevents it. */
if (layer_name)
{
ERR("Layer enumeration not supported from ICD.\n");
return VK_ERROR_LAYER_NOT_PRESENT;
}
if (!properties)
{
/* When properties is NULL, we need to return the number of extensions
* supported. For now report 0 until we add some e.g.
* VK_KHR_win32_surface. Long-term this needs to be an intersection
* between what the native library supports and what thunks we have.
*/
*count = 0;
return VK_SUCCESS;
}
/* When properties is not NULL, we copy the extensions over and set count
* to the number of copied extensions. For now we don't have much to do as
* we don't support any extensions yet.
*/
*count = 0;
return VK_SUCCESS;
}
static void * X11DRV_vkGetInstanceProcAddr(VkInstance instance, const char *name)
{
TRACE("%p, %s\n", instance, debugstr_a(name));
return pvkGetInstanceProcAddr(instance, name);
}
static const struct vulkan_funcs vulkan_funcs =
{
X11DRV_vkCreateInstance,
X11DRV_vkDestroyInstance,
X11DRV_vkEnumerateInstanceExtensionProperties,
X11DRV_vkGetInstanceProcAddr
};
const struct vulkan_funcs *get_vulkan_driver(UINT version)
{
if (version != WINE_VULKAN_DRIVER_VERSION)
{
ERR("version mismatch, vulkan wants %u but driver has %u\n", version, WINE_VULKAN_DRIVER_VERSION);
return NULL;
}
if (wine_vk_init())
return &vulkan_funcs;
return NULL;
}
#else /* No vulkan */
const struct vulkan_funcs *get_vulkan_driver(UINT version)
{
return NULL;
}
#endif /* SONAME_LIBVULKAN */