/* vid_x11_vulkan.c Vulkan X11 video driver Copyright (C) 1996-1997 Id Software, Inc. Copyright (C) 1999-2000 contributors of the QuakeForge project Copyright (C) 2000 Marcus Sundberg [mackan@stacken.kth.se] Copyright (C) 1999,2000 contributors of the QuakeForge project Please see the file "AUTHORS" for a list of contributors This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program 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 General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to: Free Software Foundation, Inc. 59 Temple Place - Suite 330 Boston, MA 02111-1307, USA */ #ifdef HAVE_CONFIG_H # include "config.h" #endif #ifdef HAVE_STRING_H # include #endif #ifdef HAVE_STRINGS_H # include #endif #ifdef HAVE_UNISTD_H # include #endif #include #include #include #include #define VK_NO_PROTOTYPES #define VK_USE_PLATFORM_XLIB_KHR #include #include "QF/cvar.h" #include "QF/set.h" #include "QF/sys.h" #include "QF/va.h" #include "QF/Vulkan/instance.h" #include "context_x11.h" #include "vid_internal.h" #include "vid_vulkan.h" static char *vulkan_library_name; static cvar_t vulkan_library_name_cvar = { .name = "vulkan_library", .description = "the name of the vulkan shared library", .default_value = "libvulkan.so.1", .flags = CVAR_ROM, .value = { .type = 0, .value = &vulkan_library_name }, }; typedef struct vulkan_presentation_s { #define PRESENTATION_VULKAN_FUNCTION_FROM_EXTENSION(name,ext) PFN_##name name; #include "QF/Vulkan/funclist.h" Display *display; Window window; int num_visuals; XVisualInfo *visinfo; set_t *usable_visuals; } vulkan_presentation_t; static const char *required_extensions[] = { VK_KHR_XLIB_SURFACE_EXTENSION_NAME, 0 }; static void *vulkan_library; static void load_vulkan_library (vulkan_ctx_t *ctx) { vulkan_library = dlopen (vulkan_library_name, RTLD_DEEPBIND | RTLD_NOW); if (!vulkan_library) { Sys_Error ("Couldn't load vulkan library %s: %s", vulkan_library_name, dlerror ()); } #define EXPORTED_VULKAN_FUNCTION(name) \ ctx->name = (PFN_##name) dlsym (vulkan_library, #name); \ if (!ctx->name) { \ Sys_Error ("Couldn't find exported vulkan function %s", #name); \ } #define GLOBAL_LEVEL_VULKAN_FUNCTION(name) \ ctx->name = (PFN_##name) ctx->vkGetInstanceProcAddr (0, #name); \ if (!ctx->name) { \ Sys_Error ("Couldn't find global-level function %s", #name); \ } #include "QF/Vulkan/funclist.h" } static void unload_vulkan_library (vulkan_ctx_t *ctx) { dlclose (vulkan_library); vulkan_library = 0; } static void x11_vulkan_init_presentation (vulkan_ctx_t *ctx) { ctx->presentation = calloc (1, sizeof (vulkan_presentation_t)); vulkan_presentation_t *pres = ctx->presentation; qfv_instance_t *instance = ctx->instance; VkInstance inst = instance->instance; #define PRESENTATION_VULKAN_FUNCTION_FROM_EXTENSION(name, ext) \ if (instance->extension_enabled (instance, ext)) { \ pres->name = (PFN_##name) ctx->vkGetInstanceProcAddr (inst, #name); \ if (!pres->name) { \ Sys_Error ("Couldn't find instance-level function %s", #name); \ } \ } #include "QF/Vulkan/funclist.h" XVisualInfo template; Visual *defaultVisual = XDefaultVisual (x_disp, x_screen); template.visualid = XVisualIDFromVisual (defaultVisual); int template_mask = VisualIDMask; pres->display = x_disp; pres->usable_visuals = set_new (); pres->visinfo = XGetVisualInfo (x_disp, template_mask, &template, &pres->num_visuals); } static int x11_vulkan_get_presentation_support (vulkan_ctx_t *ctx, VkPhysicalDevice physicalDevice, uint32_t queueFamilyIndex) { if (!ctx->presentation) { x11_vulkan_init_presentation (ctx); } vulkan_presentation_t *pres = ctx->presentation; set_empty (pres->usable_visuals); for (int i = 0; i < pres->num_visuals; i++) { VisualID visID = pres->visinfo[i].visualid; if (pres->vkGetPhysicalDeviceXlibPresentationSupportKHR ( physicalDevice, queueFamilyIndex, pres->display, visID)) { set_add (pres->usable_visuals, i); } } return !set_is_empty (pres->usable_visuals); } static void x11_vulkan_choose_visual (vulkan_ctx_t *ctx) { vulkan_presentation_t *pres = ctx->presentation; set_iter_t *first = set_first (pres->usable_visuals); if (first) { x_visinfo = pres->visinfo + first->element; x_vis = x_visinfo->visual; set_del_iter (first); } } static void x11_vulkan_create_window (vulkan_ctx_t *ctx) { vulkan_presentation_t *pres = ctx->presentation; pres->window = x_win; } static VkSurfaceKHR x11_vulkan_create_surface (vulkan_ctx_t *ctx) { vulkan_presentation_t *pres = ctx->presentation; VkInstance inst = ctx->instance->instance; VkSurfaceKHR surface; VkXlibSurfaceCreateInfoKHR createInfo = { .sType = VK_STRUCTURE_TYPE_XLIB_SURFACE_CREATE_INFO_KHR, .flags = 0, .dpy = pres->display, .window = pres->window }; ctx->window_width = viddef.width; ctx->window_height = viddef.height; if (pres->vkCreateXlibSurfaceKHR (inst, &createInfo, 0, &surface) != VK_SUCCESS) { return 0; } return surface; } vulkan_ctx_t * X11_Vulkan_Context (void) { vulkan_ctx_t *ctx = calloc (1, sizeof (vulkan_ctx_t)); ctx->load_vulkan = load_vulkan_library; ctx->unload_vulkan = unload_vulkan_library; ctx->get_presentation_support = x11_vulkan_get_presentation_support; ctx->choose_visual = x11_vulkan_choose_visual; ctx->create_window = x11_vulkan_create_window; ctx->create_surface = x11_vulkan_create_surface; ctx->required_extensions = required_extensions; ctx->va_ctx = va_create_context (32); return ctx; } void X11_Vulkan_Init_Cvars (void) { Cvar_Register (&vulkan_library_name_cvar, 0, 0); }