153 lines
4.5 KiB
C
153 lines
4.5 KiB
C
/* X11DRV Vulkan implementation
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*
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* Copyright 2017 Roderick Colenbrander
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "config.h"
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#include "wine/port.h"
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#include <stdarg.h>
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#include "windef.h"
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#include "winbase.h"
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#include "wine/debug.h"
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#include "wine/library.h"
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#include "wine/vulkan.h"
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#include "wine/vulkan_driver.h"
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#ifdef SONAME_LIBVULKAN
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WINE_DEFAULT_DEBUG_CHANNEL(vulkan);
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static VkResult (*pvkCreateInstance)(const VkInstanceCreateInfo *, const VkAllocationCallbacks *, VkInstance *);
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static void (*pvkDestroyInstance)(VkInstance, const VkAllocationCallbacks *);
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static BOOL wine_vk_init(void)
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{
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static BOOL init_done = FALSE;
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static void *vulkan_handle;
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if (init_done) return (vulkan_handle != NULL);
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init_done = TRUE;
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if (!(vulkan_handle = wine_dlopen(SONAME_LIBVULKAN, RTLD_NOW, NULL, 0))) return FALSE;
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#define LOAD_FUNCPTR(f) if((p##f = wine_dlsym(vulkan_handle, #f, NULL, 0)) == NULL) return FALSE;
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LOAD_FUNCPTR(vkCreateInstance)
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LOAD_FUNCPTR(vkDestroyInstance)
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#undef LOAD_FUNCPTR
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return TRUE;
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}
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static VkResult X11DRV_vkCreateInstance(const VkInstanceCreateInfo *create_info,
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const VkAllocationCallbacks *allocator, VkInstance *instance)
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{
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TRACE("create_info %p, allocator %p, instance %p\n", create_info, allocator, instance);
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if (allocator)
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FIXME("Support for allocation callbacks not implemented yet\n");
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/* TODO: convert win32 to x11 extensions here. */
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if (create_info->enabledExtensionCount > 0)
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{
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FIXME("Extensions are not supported yet, aborting!\n");
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return VK_ERROR_INCOMPATIBLE_DRIVER;
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}
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return pvkCreateInstance(create_info, NULL /* allocator */, instance);
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}
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static void X11DRV_vkDestroyInstance(VkInstance instance, const VkAllocationCallbacks *allocator)
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{
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TRACE("%p %p\n", instance, allocator);
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if (allocator)
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FIXME("Support for allocation callbacks not implemented yet\n");
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pvkDestroyInstance(instance, NULL /* allocator */);
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}
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static VkResult X11DRV_vkEnumerateInstanceExtensionProperties(const char *layer_name,
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uint32_t *count, VkExtensionProperties* properties)
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{
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TRACE("layer_name %s, count %p, properties %p\n", debugstr_a(layer_name), count, properties);
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/* This shouldn't get called with layer_name set, the ICD loader prevents it. */
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if (layer_name)
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{
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ERR("Layer enumeration not supported from ICD.\n");
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return VK_ERROR_LAYER_NOT_PRESENT;
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}
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if (!properties)
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{
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/* When properties is NULL, we need to return the number of extensions
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* supported. For now report 0 until we add some e.g.
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* VK_KHR_win32_surface. Long-term this needs to be an intersection
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* between what the native library supports and what thunks we have.
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*/
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*count = 0;
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return VK_SUCCESS;
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}
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/* When properties is not NULL, we copy the extensions over and set count
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* to the number of copied extensions. For now we don't have much to do as
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* we don't support any extensions yet.
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*/
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*count = 0;
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return VK_SUCCESS;
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}
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static void * X11DRV_vkGetInstanceProcAddr(VkInstance instance, const char *name)
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{
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FIXME("stub: %p, %s\n", instance, debugstr_a(name));
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return NULL;
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}
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static const struct vulkan_funcs vulkan_funcs =
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{
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X11DRV_vkCreateInstance,
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X11DRV_vkDestroyInstance,
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X11DRV_vkEnumerateInstanceExtensionProperties,
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X11DRV_vkGetInstanceProcAddr
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};
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const struct vulkan_funcs *get_vulkan_driver(UINT version)
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{
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if (version != WINE_VULKAN_DRIVER_VERSION)
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{
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ERR("version mismatch, vulkan wants %u but driver has %u\n", version, WINE_VULKAN_DRIVER_VERSION);
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return NULL;
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}
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if (wine_vk_init())
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return &vulkan_funcs;
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return NULL;
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}
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#else /* No vulkan */
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const struct vulkan_funcs *get_vulkan_driver(UINT version)
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{
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return NULL;
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}
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#endif /* SONAME_LIBVULKAN */
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