mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-11-27 14:42:07 +00:00
153 lines
3.8 KiB
C
153 lines
3.8 KiB
C
/*
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vid_common_vulkan.c
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Common Vulkan video driver functions
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Copyright (C) 1996-1997 Id Software, Inc.
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Copyright (C) 2019 Bill Currie <bill@taniwha.org>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program 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.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to:
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Free Software Foundation, Inc.
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59 Temple Place - Suite 330
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Boston, MA 02111-1307, USA
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#ifdef HAVE_MATH_H
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# include <math.h>
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#endif
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#ifdef HAVE_STRING_H
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# include <string.h>
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#endif
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#ifdef HAVE_STRINGS_H
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# include <strings.h>
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#endif
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#include "QF/cvar.h"
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#include "QF/dstring.h"
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#include "QF/input.h"
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#include "QF/mathlib.h"
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#include "QF/qargs.h"
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#include "QF/quakefs.h"
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#include "QF/sys.h"
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#include "QF/va.h"
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#include "QF/vid.h"
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#include "QF/Vulkan/qf_vid.h"
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#include "QF/Vulkan/device.h"
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#include "QF/Vulkan/instance.h"
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#include "QF/Vulkan/swapchain.h"
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#include "compat.h"
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#include "d_iface.h"
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#include "r_internal.h"
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#include "vid_vulkan.h"
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#include "util.h"
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cvar_t *vulkan_presentation_mode;
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static void
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vulkan_presentation_mode_f (cvar_t *var)
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{
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if (!strcmp (var->string, "immediate")) {
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var->int_val = VK_PRESENT_MODE_IMMEDIATE_KHR;
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} else if (!strcmp (var->string, "fifo")) {
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var->int_val = VK_PRESENT_MODE_FIFO_KHR;
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} else if (!strcmp (var->string, "relaxed")) {
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var->int_val = VK_PRESENT_MODE_FIFO_RELAXED_KHR;
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} else if (!strcmp (var->string, "mailbox")) {
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var->int_val = VK_PRESENT_MODE_MAILBOX_KHR;
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} else {
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Sys_Printf ("Invalid presentation mode, using fifo\n");
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var->int_val = VK_PRESENT_MODE_FIFO_KHR;
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}
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}
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static void
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Vulkan_Init_Cvars (void)
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{
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vulkan_use_validation = Cvar_Get ("vulkan_use_validation", "1", CVAR_NONE,
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0,
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"enable LunarG Standard Validation "
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"Layer if available (requires instance "
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"restart).");
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// FIXME implement fallback choices (instead of just fifo)
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vulkan_presentation_mode = Cvar_Get ("vulkan_presentation_mode", "mailbox",
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CVAR_NONE, vulkan_presentation_mode_f,
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"desired presentation mode (may fall "
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"back to fifo).");
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}
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static const char *instance_extensions[] = {
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VK_KHR_SURFACE_EXTENSION_NAME,
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0,
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};
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static const char *device_extensions[] = {
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VK_KHR_SWAPCHAIN_EXTENSION_NAME,
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0,
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};
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void
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Vulkan_Init_Common (vulkan_ctx_t *ctx)
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{
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Sys_Printf ("Vulkan_Init_Common\n");
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Vulkan_Init_Cvars ();
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ctx->instance = QFV_CreateInstance (ctx, PACKAGE_STRING, 0x000702ff, 0, instance_extensions);//FIXME version
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}
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void
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Vulkan_Shutdown_Common (vulkan_ctx_t *ctx)
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{
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if (ctx->swapchain) {
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QFV_DestroySwapchain (ctx->swapchain);
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}
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ctx->instance->funcs->vkDestroySurfaceKHR (ctx->instance->instance,
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ctx->surface, 0);
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if (ctx->device) {
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QFV_DestroyDevice (ctx->device);
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}
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if (ctx->instance) {
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QFV_DestroyInstance (ctx->instance);
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}
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ctx->instance = 0;
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ctx->unload_vulkan (ctx);
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}
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void
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Vulkan_CreateDevice (vulkan_ctx_t *ctx)
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{
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ctx->device = QFV_CreateDevice (ctx, device_extensions);
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}
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void
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Vulkan_CreateSwapchain (vulkan_ctx_t *ctx)
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{
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VkSwapchainKHR old_swapchain = 0;
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if (ctx->swapchain) {
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old_swapchain = ctx->swapchain->swapchain;
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free (ctx->swapchain);
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}
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ctx->swapchain = QFV_CreateSwapchain (ctx, old_swapchain);
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if (ctx->swapchain->swapchain == old_swapchain) {
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ctx->device->funcs->vkDestroySwapchainKHR (ctx->device->dev,
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old_swapchain, 0);
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}
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}
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