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main.c
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/*
Copyright (C) 2018 Christoph Schied
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 the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "shared/shared.h"
#include "common/bsp.h"
#include "common/cmd.h"
#include "common/common.h"
#include "common/cvar.h"
#include "common/files.h"
#include "common/math.h"
#include "client/video.h"
#include "client/client.h"
#include "refresh/refresh.h"
#include "refresh/images.h"
#include "refresh/models.h"
#include "system/hunk.h"
#include "vkpt.h"
#include "shader/light_hierarchy.h"
#include "shader/vertex_buffer.h"
#include <vulkan/vulkan.h>
#include <SDL.h>
#include <SDL_vulkan.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
cvar_t *vkpt_reconstruction;
cvar_t *cvar_rtx;
cvar_t *vkpt_profiler;
static bsp_t *bsp_world_model;
typedef enum {
VKPT_INIT_DEFAULT = 0,
VKPT_INIT_SWAPCHAIN_RECREATE = (1 << 0),
VKPT_INIT_RELOAD_SHADER = (1 << 1),
} VkptInitFlags_t;
typedef struct VkptInit_s {
const char *name;
VkResult (*initialize)();
VkResult (*destroy)();
VkptInitFlags_t flags;
int is_initialized;
} VkptInit_t;
VkptInit_t vkpt_initialization[] = {
{ "profiler", vkpt_profiler_initialize, vkpt_profiler_destroy, VKPT_INIT_DEFAULT, 0 },
{ "shader", vkpt_load_shader_modules, vkpt_destroy_shader_modules, VKPT_INIT_RELOAD_SHADER, 0 },
{ "vbo", vkpt_vertex_buffer_create, vkpt_vertex_buffer_destroy, VKPT_INIT_DEFAULT, 0 },
{ "ubo", vkpt_uniform_buffer_create, vkpt_uniform_buffer_destroy, VKPT_INIT_DEFAULT, 0 },
{ "textures", vkpt_textures_initialize, vkpt_textures_destroy, VKPT_INIT_DEFAULT, 0 },
{ "images", vkpt_create_images, vkpt_destroy_images, VKPT_INIT_SWAPCHAIN_RECREATE, 0 },
{ "draw", vkpt_draw_initialize, vkpt_draw_destroy, VKPT_INIT_DEFAULT, 0 },
{ "lh", vkpt_lh_initialize, vkpt_lh_destroy, VKPT_INIT_DEFAULT, 0 },
{ "pt", vkpt_pt_init, vkpt_pt_destroy, VKPT_INIT_DEFAULT, 0 },
{ "pt|", vkpt_pt_create_pipelines, vkpt_pt_destroy_pipelines, VKPT_INIT_SWAPCHAIN_RECREATE
| VKPT_INIT_RELOAD_SHADER, 0 },
{ "draw|", vkpt_draw_create_pipelines, vkpt_draw_destroy_pipelines, VKPT_INIT_SWAPCHAIN_RECREATE
| VKPT_INIT_RELOAD_SHADER, 0 },
{ "vbo|", vkpt_vertex_buffer_create_pipelines, vkpt_vertex_buffer_destroy_pipelines, VKPT_INIT_RELOAD_SHADER, 0 },
{ "asvgf", vkpt_asvgf_initialize, vkpt_asvgf_destroy, VKPT_INIT_DEFAULT, 0 },
{ "asvgf|", vkpt_asvgf_create_pipelines, vkpt_asvgf_destroy_pipelines, VKPT_INIT_RELOAD_SHADER, 0 },
};
VkResult
vkpt_initialize_all(VkptInitFlags_t init_flags)
{
vkDeviceWaitIdle(qvk.device);
for(int i = 0; i < LENGTH(vkpt_initialization); i++) {
VkptInit_t *init = vkpt_initialization + i;
if((init->flags & init_flags) != init_flags)
continue;
Com_Printf("initializing %s\n", vkpt_initialization[i].name);
assert(!init->is_initialized);
init->is_initialized = init->initialize
? (init->initialize() == VK_SUCCESS)
: 1;
assert(init->is_initialized);
}
return VK_SUCCESS;
}
VkResult
vkpt_destroy_all(VkptInitFlags_t destroy_flags)
{
vkDeviceWaitIdle(qvk.device);
for(int i = LENGTH(vkpt_initialization) - 1; i >= 0; i--) {
VkptInit_t *init = vkpt_initialization + i;
if((init->flags & destroy_flags) != destroy_flags)
continue;
Com_Printf("destroying %s\n", vkpt_initialization[i].name);
assert(init->is_initialized);
init->is_initialized = init->destroy
? !(init->destroy() == VK_SUCCESS)
: 0;
assert(!init->is_initialized);
}
return VK_SUCCESS;
}
void
vkpt_reload_shader()
{
char buf[1024];
#ifdef _WIN32
FILE *f = _popen("bash -c \"make -C/home/cschied/quake2-pt compile_shaders\"", "r");
#else
FILE *f = popen("make -j compile_shaders", "r");
#endif
if(f) {
while(fgets(buf, sizeof buf, f)) {
Com_Printf("%s", buf);
}
fclose(f);
}
vkpt_destroy_all(VKPT_INIT_RELOAD_SHADER);
vkpt_initialize_all(VKPT_INIT_RELOAD_SHADER);
}
refcfg_t r_config;
int registration_sequence;
vkpt_refdef_t vkpt_refdef = {
.z_near = 1.0f,
.z_far = 4096.0f,
};
QVK_t qvk = {
.win_width = 1920,
.win_height = 1080,
.frame_counter = 0,
};
#define _VK_EXTENSION_DO(a) PFN_##a q##a;
_VK_EXTENSION_LIST
#undef _VK_EXTENSION_DO
const char *vk_requested_layers[] = {
"VK_LAYER_LUNARG_standard_validation"
};
const char *vk_requested_instance_extensions[] = {
VK_EXT_DEBUG_UTILS_EXTENSION_NAME,
VK_EXT_DEBUG_REPORT_EXTENSION_NAME,
};
const char *vk_requested_device_extensions[] = {
VK_NV_RAY_TRACING_EXTENSION_NAME,
VK_KHR_SWAPCHAIN_EXTENSION_NAME,
VK_EXT_DESCRIPTOR_INDEXING_EXTENSION_NAME,
#ifdef VKPT_ENABLE_VALIDATION
VK_EXT_DEBUG_MARKER_EXTENSION_NAME,
#endif
};
static const VkApplicationInfo vk_app_info = {
.sType = VK_STRUCTURE_TYPE_APPLICATION_INFO,
.pApplicationName = "quake 2 pathtracing",
.applicationVersion = VK_MAKE_VERSION(1, 0, 0),
.pEngineName = "vkpt",
.engineVersion = VK_MAKE_VERSION(1, 0, 0),
.apiVersion = VK_API_VERSION_1_1,
};
/* use this to override file names */
static const char *shader_module_file_names[NUM_QVK_SHADER_MODULES];
int register_model_dirty;
void
get_vk_extension_list(
const char *layer,
uint32_t *num_extensions,
VkExtensionProperties **ext)
{
_VK(vkEnumerateInstanceExtensionProperties(layer, num_extensions, NULL));
*ext = malloc(sizeof(**ext) * *num_extensions);
_VK(vkEnumerateInstanceExtensionProperties(layer, num_extensions, *ext));
}
void
get_vk_layer_list(
uint32_t *num_layers,
VkLayerProperties **ext)
{
_VK(vkEnumerateInstanceLayerProperties(num_layers, NULL));
*ext = malloc(sizeof(**ext) * *num_layers);
_VK(vkEnumerateInstanceLayerProperties(num_layers, *ext));
}
int
layer_supported(const char *name)
{
assert(qvk.layers);
for(int i = 0; i < qvk.num_layers; i++)
if(!strcmp(name, qvk.layers[i].layerName))
return 1;
return 0;
}
int
layer_requested(const char *name)
{
for(int i = 0; i < LENGTH(vk_requested_layers); i++)
if(!strcmp(name, vk_requested_layers[i]))
return 1;
return 0;
}
static VKAPI_ATTR VkBool32 VKAPI_CALL
vk_debug_callback(
VkDebugUtilsMessageSeverityFlagBitsEXT severity,
VkDebugUtilsMessageTypeFlagsEXT type,
const VkDebugUtilsMessengerCallbackDataEXT* callback_data,
void *user_data)
{
Com_EPrintf("validation layer: %s\n", callback_data->pMessage);
return VK_FALSE;
}
VkResult
qvkCreateDebugUtilsMessengerEXT(
VkInstance instance,
const VkDebugUtilsMessengerCreateInfoEXT* pCreateInfo,
const VkAllocationCallbacks* pAllocator,
VkDebugUtilsMessengerEXT* pCallback)
{
PFN_vkCreateDebugUtilsMessengerEXT func = (PFN_vkCreateDebugUtilsMessengerEXT)
vkGetInstanceProcAddr(instance, "vkCreateDebugUtilsMessengerEXT");
if(func)
return func(instance, pCreateInfo, pAllocator, pCallback);
return VK_ERROR_EXTENSION_NOT_PRESENT;
}
VkResult
qvkDestroyDebugUtilsMessengerEXT(
VkInstance instance,
VkDebugUtilsMessengerEXT callback,
const VkAllocationCallbacks* pAllocator)
{
PFN_vkDestroyDebugUtilsMessengerEXT func = (PFN_vkDestroyDebugUtilsMessengerEXT)
vkGetInstanceProcAddr(instance, "vkDestroyDebugUtilsMessengerEXT");
if(func) {
func(instance, callback, pAllocator);
return VK_SUCCESS;
}
return VK_ERROR_EXTENSION_NOT_PRESENT;
}
VkResult
create_swapchain()
{
/* create swapchain (query details and ignore them afterwards :-) )*/
VkSurfaceCapabilitiesKHR surf_capabilities;
vkGetPhysicalDeviceSurfaceCapabilitiesKHR(qvk.physical_device, qvk.surface, &surf_capabilities);
uint32_t num_formats = 0;
vkGetPhysicalDeviceSurfaceFormatsKHR(qvk.physical_device, qvk.surface, &num_formats, NULL);
VkSurfaceFormatKHR *avail_surface_formats = alloca(sizeof(VkSurfaceFormatKHR) * num_formats);
vkGetPhysicalDeviceSurfaceFormatsKHR(qvk.physical_device, qvk.surface, &num_formats, avail_surface_formats);
Com_Printf("num surface formats: %d\n", num_formats);
Com_Printf("available surface formats:\n");
for(int i = 0; i < num_formats; i++)
Com_Printf(" %s\n", vk_format_to_string(avail_surface_formats[i].format));
VkFormat acceptable_formats[] = {
VK_FORMAT_R8G8B8A8_SRGB, VK_FORMAT_B8G8R8A8_SRGB,
};
//qvk.surf_format.format = VK_FORMAT_R8G8B8A8_SRGB;
//qvk.surf_format.format = VK_FORMAT_B8G8R8A8_SRGB;
for(int i = 0; i < LENGTH(acceptable_formats); i++) {
for(int j = 0; j < num_formats; j++)
if(acceptable_formats[i] == avail_surface_formats[j].format) {
qvk.surf_format = avail_surface_formats[j];
goto out;
}
}
out:;
uint32_t num_present_modes = 0;
vkGetPhysicalDeviceSurfacePresentModesKHR(qvk.physical_device, qvk.surface, &num_present_modes, NULL);
VkPresentModeKHR *avail_present_modes = alloca(sizeof(VkPresentModeKHR) * num_present_modes);
vkGetPhysicalDeviceSurfacePresentModesKHR(qvk.physical_device, qvk.surface, &num_present_modes, avail_present_modes);
//qvk.present_mode = VK_PRESENT_MODE_FIFO_RELAXED_KHR;
//qvk.present_mode = VK_PRESENT_MODE_FIFO_KHR;
qvk.present_mode = VK_PRESENT_MODE_MAILBOX_KHR;
//qvk.present_mode = VK_PRESENT_MODE_IMMEDIATE_KHR;
if(surf_capabilities.currentExtent.width != ~0u) {
qvk.extent = surf_capabilities.currentExtent;
}
else {
qvk.extent.width = MIN(surf_capabilities.maxImageExtent.width, qvk.win_width);
qvk.extent.height = MIN(surf_capabilities.maxImageExtent.height, qvk.win_height);
qvk.extent.width = MAX(surf_capabilities.minImageExtent.width, qvk.extent.width);
qvk.extent.height = MAX(surf_capabilities.minImageExtent.height, qvk.extent.height);
}
uint32_t num_images = 2;
//uint32_t num_images = surf_capabilities.minImageCount + 1;
if(surf_capabilities.maxImageCount > 0)
num_images = MIN(num_images, surf_capabilities.maxImageCount);
VkSwapchainCreateInfoKHR swpch_create_info = {
.sType = VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR,
.surface = qvk.surface,
.minImageCount = num_images,
.imageFormat = qvk.surf_format.format,
.imageColorSpace = qvk.surf_format.colorSpace,
.imageExtent = qvk.extent,
.imageArrayLayers = 1, /* only needs to be changed for stereoscopic rendering */
.imageUsage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT
| VK_IMAGE_USAGE_TRANSFER_DST_BIT,
.imageSharingMode = VK_SHARING_MODE_EXCLUSIVE, /* VK_SHARING_MODE_CONCURRENT if not using same queue */
.queueFamilyIndexCount = 0,
.pQueueFamilyIndices = NULL,
.preTransform = surf_capabilities.currentTransform,
.compositeAlpha = VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR, /* no alpha for window transparency */
.presentMode = qvk.present_mode,
.clipped = VK_FALSE, /* do not render pixels that are occluded by other windows */
//.clipped = VK_TRUE, /* do not render pixels that are occluded by other windows */
.oldSwapchain = VK_NULL_HANDLE, /* need to provide previous swapchain in case of window resize */
};
if(vkCreateSwapchainKHR(qvk.device, &swpch_create_info, NULL, &qvk.swap_chain) != VK_SUCCESS) {
Com_EPrintf("error creating swapchain\n");
return 1;
}
vkGetSwapchainImagesKHR(qvk.device, qvk.swap_chain, &qvk.num_swap_chain_images, NULL);
//qvk.swap_chain_images = malloc(qvk.num_swap_chain_images * sizeof(*qvk.swap_chain_images));
assert(qvk.num_swap_chain_images < MAX_SWAPCHAIN_IMAGES);
vkGetSwapchainImagesKHR(qvk.device, qvk.swap_chain, &qvk.num_swap_chain_images, qvk.swap_chain_images);
//qvk.swap_chain_image_views = malloc(qvk.num_swap_chain_images * sizeof(*qvk.swap_chain_image_views));
for(int i = 0; i < qvk.num_swap_chain_images; i++) {
VkImageViewCreateInfo img_create_info = {
.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO,
.image = qvk.swap_chain_images[i],
.viewType = VK_IMAGE_VIEW_TYPE_2D,
.format = qvk.surf_format.format,
#if 1
.components = {
VK_COMPONENT_SWIZZLE_R,
VK_COMPONENT_SWIZZLE_G,
VK_COMPONENT_SWIZZLE_B,
VK_COMPONENT_SWIZZLE_A
},
#endif
.subresourceRange = {
.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
.baseMipLevel = 0,
.levelCount = 1,
.baseArrayLayer = 0,
.layerCount = 1
}
};
if(vkCreateImageView(qvk.device, &img_create_info, NULL, qvk.swap_chain_image_views + i) != VK_SUCCESS) {
Com_EPrintf("error creating image view!");
return 1;
}
}
return VK_SUCCESS;
}
VkResult
create_command_pool_and_fences()
{
VkCommandPoolCreateInfo cmd_pool_create_info = {
.sType = VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO,
.queueFamilyIndex = qvk.queue_idx_graphics,
.flags = VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT,
};
/* command pool and buffers */
_VK(vkCreateCommandPool(qvk.device, &cmd_pool_create_info, NULL, &qvk.command_pool));
qvk.num_command_buffers = qvk.num_swap_chain_images;
VkCommandBufferAllocateInfo cmd_buf_alloc_info = {
.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO,
.commandPool = qvk.command_pool,
.level = VK_COMMAND_BUFFER_LEVEL_PRIMARY,
.commandBufferCount = qvk.num_command_buffers
};
qvk.command_buffers = malloc(qvk.num_command_buffers * sizeof(*qvk.command_buffers));
_VK(vkAllocateCommandBuffers(qvk.device, &cmd_buf_alloc_info, qvk.command_buffers));
/* fences and semaphores */
VkSemaphoreCreateInfo semaphore_info = { .sType = VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO };
for(int i = 0; i < NUM_SEMAPHORES; i++)
_VK(vkCreateSemaphore(qvk.device, &semaphore_info, NULL, &qvk.semaphores[i]));
VkFenceCreateInfo fence_info = {
.sType = VK_STRUCTURE_TYPE_FENCE_CREATE_INFO,
.flags = VK_FENCE_CREATE_SIGNALED_BIT, /* fence's initial state set to be signaled
to make program not hang */
};
for(int i = 0; i < MAX_FRAMES_IN_FLIGHT; i++) {
_VK(vkCreateFence(qvk.device, &fence_info, NULL, qvk.fences_frame_sync + i));
}
return VK_SUCCESS;
}
int
init_vulkan()
{
/* layers */
get_vk_layer_list(&qvk.num_layers, &qvk.layers);
Com_Printf("available vulkan layers: \n");
for(int i = 0; i < qvk.num_layers; i++) {
int requested = layer_requested(qvk.layers[i].layerName);
Com_Printf("%s%s, ", qvk.layers[i].layerName, requested ? " (requested)" : "");
}
Com_Printf("\n");
/* instance extensions */
int num_inst_ext_combined = qvk.num_sdl2_extensions + LENGTH(vk_requested_instance_extensions);
char **ext = alloca(sizeof(char *) * num_inst_ext_combined);
memcpy(ext, qvk.sdl2_extensions, qvk.num_sdl2_extensions * sizeof(*qvk.sdl2_extensions));
memcpy(ext + qvk.num_sdl2_extensions, vk_requested_instance_extensions, sizeof(vk_requested_instance_extensions));
get_vk_extension_list(NULL, &qvk.num_extensions, &qvk.extensions); /* valid here? */
Com_Printf("supported vulkan instance extensions: \n");
for(int i = 0; i < qvk.num_extensions; i++) {
int requested = 0;
for(int j = 0; j < num_inst_ext_combined; j++) {
if(!strcmp(qvk.extensions[i].extensionName, ext[j])) {
requested = 1;
break;
}
}
Com_Printf("%s%s, ", qvk.extensions[i].extensionName, requested ? " (requested)" : "");
}
Com_Printf("\n");
/* create instance */
VkInstanceCreateInfo inst_create_info = {
.sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO,
.pApplicationInfo = &vk_app_info,
#ifdef VKPT_ENABLE_VALIDATION
.enabledLayerCount = LENGTH(vk_requested_layers),
.ppEnabledLayerNames = vk_requested_layers,
#endif
.enabledExtensionCount = num_inst_ext_combined,
.ppEnabledExtensionNames = (const char * const*)ext,
};
_VK(vkCreateInstance(&inst_create_info, NULL, &qvk.instance));
/* setup debug callback */
VkDebugUtilsMessengerCreateInfoEXT dbg_create_info = {
.sType = VK_STRUCTURE_TYPE_DEBUG_UTILS_MESSENGER_CREATE_INFO_EXT,
.messageSeverity =
VK_DEBUG_UTILS_MESSAGE_SEVERITY_VERBOSE_BIT_EXT
| VK_DEBUG_UTILS_MESSAGE_SEVERITY_WARNING_BIT_EXT
| VK_DEBUG_UTILS_MESSAGE_SEVERITY_ERROR_BIT_EXT,
.messageType =
VK_DEBUG_UTILS_MESSAGE_TYPE_GENERAL_BIT_EXT
| VK_DEBUG_UTILS_MESSAGE_TYPE_VALIDATION_BIT_EXT
| VK_DEBUG_UTILS_MESSAGE_TYPE_PERFORMANCE_BIT_EXT,
.pfnUserCallback = vk_debug_callback,
.pUserData = NULL
};
_VK(qvkCreateDebugUtilsMessengerEXT(qvk.instance, &dbg_create_info, NULL, &qvk.dbg_messenger));
/* create surface */
if(!SDL_Vulkan_CreateSurface(qvk.window, qvk.instance, &qvk.surface)) {
Com_EPrintf("[vkq2] could not create surface!\n");
return 1;
}
/* pick physical device (iterate over all but pick device 0 anyways) */
uint32_t num_devices = 0;
_VK(vkEnumeratePhysicalDevices(qvk.instance, &num_devices, NULL));
if(num_devices == 0)
return 1;
VkPhysicalDevice *devices = alloca(sizeof(VkPhysicalDevice) *num_devices);
_VK(vkEnumeratePhysicalDevices(qvk.instance, &num_devices, devices));
int picked_device = -1;
for(int i = 0; i < num_devices; i++) {
VkPhysicalDeviceProperties dev_properties;
VkPhysicalDeviceFeatures dev_features;
vkGetPhysicalDeviceProperties(devices[i], &dev_properties);
vkGetPhysicalDeviceFeatures (devices[i], &dev_features);
Com_Printf("dev %d: %s\n", i, dev_properties.deviceName);
Com_Printf("max number of allocations %d\n", dev_properties.limits.maxMemoryAllocationCount);
uint32_t num_ext;
vkEnumerateDeviceExtensionProperties(devices[i], NULL, &num_ext, NULL);
VkExtensionProperties *ext_properties = alloca(sizeof(VkExtensionProperties) * num_ext);
vkEnumerateDeviceExtensionProperties(devices[i], NULL, &num_ext, ext_properties);
Com_Printf("supported extensions:\n");
for(int j = 0; j < num_ext; j++) {
Com_Printf("%s, ", ext_properties[j].extensionName);
if(!strcmp(ext_properties[j].extensionName, VK_NV_RAY_TRACING_EXTENSION_NAME)) {
if(picked_device < 0)
picked_device = i;
}
}
Com_Printf("\n");
}
if(picked_device < 0) {
Com_Error(ERR_FATAL, "could not find any suitable device supporting " VK_NV_RAY_TRACING_EXTENSION_NAME"!");
}
Com_Printf("picked device %d\n", picked_device);
qvk.physical_device = devices[picked_device];
vkGetPhysicalDeviceMemoryProperties(qvk.physical_device, &qvk.mem_properties);
/* queue family and create physical device */
uint32_t num_queue_families = 0;
vkGetPhysicalDeviceQueueFamilyProperties(qvk.physical_device, &num_queue_families, NULL);
VkQueueFamilyProperties *queue_families = alloca(sizeof(VkQueueFamilyProperties) * num_queue_families);
vkGetPhysicalDeviceQueueFamilyProperties(qvk.physical_device, &num_queue_families, queue_families);
Com_Printf("num queue families: %d\n", num_queue_families);
qvk.queue_idx_graphics = -1;
qvk.queue_idx_compute = -1;
qvk.queue_idx_transfer = -1;
for(int i = 0; i < num_queue_families; i++) {
if(!queue_families[i].queueCount)
continue;
VkBool32 present_support = 0;
vkGetPhysicalDeviceSurfaceSupportKHR(qvk.physical_device, i, qvk.surface, &present_support);
if(!present_support)
continue;
if((queue_families[i].queueFlags & VK_QUEUE_GRAPHICS_BIT) == VK_QUEUE_GRAPHICS_BIT && qvk.queue_idx_graphics < 0) {
qvk.queue_idx_graphics = i;
}
if((queue_families[i].queueFlags & VK_QUEUE_COMPUTE_BIT) == VK_QUEUE_COMPUTE_BIT && qvk.queue_idx_compute < 0) {
qvk.queue_idx_compute = i;
}
if((queue_families[i].queueFlags & VK_QUEUE_TRANSFER_BIT) == VK_QUEUE_TRANSFER_BIT && qvk.queue_idx_transfer < 0) {
qvk.queue_idx_transfer = i;
}
}
if(qvk.queue_idx_graphics < 0 || qvk.queue_idx_compute < 0 || qvk.queue_idx_transfer < 0) {
Com_Error(ERR_FATAL, "error: could not find suitable queue family!\n");
return 1;
}
float queue_priorities = 1.0f;
int num_create_queues = 0;
VkDeviceQueueCreateInfo queue_create_info[3];
{
VkDeviceQueueCreateInfo q = {
.sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO,
.queueCount = 1,
.pQueuePriorities = &queue_priorities,
.queueFamilyIndex = qvk.queue_idx_graphics,
};
queue_create_info[num_create_queues++] = q;
};
if(qvk.queue_idx_compute != qvk.queue_idx_graphics) {
VkDeviceQueueCreateInfo q = {
.sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO,
.queueCount = 1,
.pQueuePriorities = &queue_priorities,
.queueFamilyIndex = qvk.queue_idx_compute,
};
queue_create_info[num_create_queues++] = q;
};
if(qvk.queue_idx_transfer != qvk.queue_idx_graphics && qvk.queue_idx_transfer != qvk.queue_idx_compute) {
VkDeviceQueueCreateInfo q = {
.sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO,
.queueCount = 1,
.pQueuePriorities = &queue_priorities,
.queueFamilyIndex = qvk.queue_idx_transfer,
};
queue_create_info[num_create_queues++] = q;
};
VkPhysicalDeviceDescriptorIndexingFeaturesEXT idx_features = {
.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_DESCRIPTOR_INDEXING_FEATURES_EXT,
.runtimeDescriptorArray = 1,
.shaderSampledImageArrayNonUniformIndexing = 1,
};
VkPhysicalDeviceFeatures2 device_features = {
.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_FEATURES_2_KHR,
.pNext = &idx_features,
.features = {
.robustBufferAccess = 1,
.fullDrawIndexUint32 = 1,
.imageCubeArray = 1,
.independentBlend = 1,
.geometryShader = 1,
.tessellationShader = 1,
.sampleRateShading = 0,
.dualSrcBlend = 1,
.logicOp = 1,
.multiDrawIndirect = 1,
.drawIndirectFirstInstance = 1,
.depthClamp = 1,
.depthBiasClamp = 1,
.fillModeNonSolid = 0,
.depthBounds = 1,
.wideLines = 0,
.largePoints = 0,
.alphaToOne = 1,
.multiViewport = 0,
.samplerAnisotropy = 1,
.textureCompressionETC2 = 0,
.textureCompressionASTC_LDR = 0,
.textureCompressionBC = 0,
.occlusionQueryPrecise = 0,
.pipelineStatisticsQuery = 1,
.vertexPipelineStoresAndAtomics = 1,
.fragmentStoresAndAtomics = 1,
.shaderTessellationAndGeometryPointSize = 1,
.shaderImageGatherExtended = 1,
.shaderStorageImageExtendedFormats = 1,
.shaderStorageImageMultisample = 1,
.shaderStorageImageReadWithoutFormat = 1,
.shaderStorageImageWriteWithoutFormat = 1,
.shaderUniformBufferArrayDynamicIndexing = 1,
.shaderSampledImageArrayDynamicIndexing = 1,
.shaderStorageBufferArrayDynamicIndexing = 1,
.shaderStorageImageArrayDynamicIndexing = 1,
.shaderClipDistance = 1,
.shaderCullDistance = 1,
.shaderFloat64 = 1,
.shaderInt64 = 1,
.shaderInt16 = 1,
.shaderResourceResidency = 1,
.shaderResourceMinLod = 1,
.sparseBinding = 1,
.sparseResidencyBuffer = 1,
.sparseResidencyImage2D = 1,
.sparseResidencyImage3D = 1,
.sparseResidency2Samples = 1,
.sparseResidency4Samples = 1,
.sparseResidency8Samples = 1,
.sparseResidency16Samples = 1,
.sparseResidencyAliased = 1,
.variableMultisampleRate = 0,
.inheritedQueries = 1,
}
};
VkDeviceCreateInfo dev_create_info = {
.sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO,
.pNext = &device_features,
.pQueueCreateInfos = queue_create_info,
.queueCreateInfoCount = num_create_queues,
.enabledExtensionCount = LENGTH(vk_requested_device_extensions),
.ppEnabledExtensionNames = vk_requested_device_extensions,
};
/* create device and queue */
_VK(vkCreateDevice(qvk.physical_device, &dev_create_info, NULL, &qvk.device));
vkGetDeviceQueue(qvk.device, qvk.queue_idx_graphics, 0, &qvk.queue_graphics);
vkGetDeviceQueue(qvk.device, qvk.queue_idx_compute, 0, &qvk.queue_compute);
vkGetDeviceQueue(qvk.device, qvk.queue_idx_transfer, 0, &qvk.queue_transfer);
#define _VK_EXTENSION_DO(a) \
q##a = (PFN_##a) vkGetDeviceProcAddr(qvk.device, #a); \
if(!q##a) { Com_EPrintf("warning: could not load function %s\n", #a); }
_VK_EXTENSION_LIST
#undef _VK_EXTENSION_DO
return 0;
}
qboolean
load_file(const char *path, char **data, size_t *s)
{
*data = NULL;
FILE *f = fopen(path, "rb");
if(!f) {
//Com_EPrintf("could not open %s\n", path);
Com_Error(ERR_FATAL, "could not open %s\n", path);
/* let's try not to crash everything */
char *ret = malloc(1);
*s = 1;
ret[0] = 0;
return qfalse;
}
fseek(f, 0, SEEK_END);
*s = ftell(f);
rewind(f);
*data = malloc(*s + 1);
//*data = aligned_alloc(4, *s + 1); // XXX lets hope malloc returns aligned memory
if(fread(*data, 1, *s, f) != *s) {
//Com_EPrintf("could not read file %s\n", path);
Com_Error(ERR_FATAL, "could not read file %s\n", path);
fclose(f);
*data[0] = 0;
return qfalse;
}
fclose(f);
return qtrue;
}
static VkShaderModule
create_shader_module_from_file(const char *name, const char *enum_name)
{
char *data;
size_t size;
char path[1024];
snprintf(path, sizeof path, SHADER_PATH_TEMPLATE, name ? name : (enum_name + 8));
if(!name) {
int len = 0;
for(len = 0; path[len]; len++)
path[len] = tolower(path[len]);
while(--len >= 0) {
if(path[len] == '_') {
path[len] = '.';
break;
}
}
}
if(!load_file(path, &data, &size)) {
free(data);
return VK_NULL_HANDLE;
}
VkShaderModule module;
VkShaderModuleCreateInfo create_info = {
.sType = VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO,
.codeSize = size,
.pCode = (uint32_t *) data,
};
_VK(vkCreateShaderModule(qvk.device, &create_info, NULL, &module));
free(data);
return module;
}
VkResult
vkpt_load_shader_modules()
{
VkResult ret = VK_SUCCESS;
#define SHADER_MODULE_DO(a) do { \
qvk.shader_modules[a] = create_shader_module_from_file(shader_module_file_names[a], #a); \
ret = (ret == VK_SUCCESS && qvk.shader_modules[a]) ? VK_SUCCESS : VK_ERROR_INITIALIZATION_FAILED; \
if(qvk.shader_modules[a]) { \
ATTACH_LABEL_VARIABLE_NAME((uint64_t)qvk.shader_modules[a], SHADER_MODULE, #a); \
}\
} while(0);
LIST_SHADER_MODULES
#undef SHADER_MODULE_DO
return ret;
}
VkResult
vkpt_destroy_shader_modules()
{
#define SHADER_MODULE_DO(a) \
vkDestroyShaderModule(qvk.device, qvk.shader_modules[a], NULL); \
qvk.shader_modules[a] = VK_NULL_HANDLE;
LIST_SHADER_MODULES
#undef SHADER_MODULE_DO
return VK_SUCCESS;
}
VkResult
destroy_swapchain()
{
for(int i = 0; i < qvk.num_swap_chain_images; i++) {
vkDestroyImageView (qvk.device, qvk.swap_chain_image_views[i], NULL);
}
vkDestroySwapchainKHR(qvk.device, qvk.swap_chain, NULL);
return VK_SUCCESS;
}
int
destroy_vulkan()
{
vkDeviceWaitIdle(qvk.device);
destroy_swapchain();
vkDestroySurfaceKHR (qvk.instance, qvk.surface, NULL);
for(int i = 0; i < NUM_SEMAPHORES; i++) {
vkDestroySemaphore(qvk.device, qvk.semaphores[i], NULL);
}
for(int i = 0; i < MAX_FRAMES_IN_FLIGHT; i++) {
vkDestroyFence(qvk.device, qvk.fences_frame_sync[i], NULL);
}
vkDestroyCommandPool (qvk.device, qvk.command_pool, NULL);
vkDestroyDevice (qvk.device, NULL);
_VK(qvkDestroyDebugUtilsMessengerEXT(qvk.instance, qvk.dbg_messenger, NULL));
vkDestroyInstance (qvk.instance, NULL);
free(qvk.extensions);
qvk.extensions = NULL;
qvk.num_extensions = 0;
free(qvk.layers);
qvk.layers = NULL;
qvk.num_layers = 0;
return 0;
}
static int
get_model_flags(const char *name)
{
const char *light_sources[] = {
"models/objects/explode/tris.md2",
"models/objects/flash/tris.md2",
"models/objects/r_explode/tris.md2",
"models/objects/laser/tris.md2",
"models/objects/rocket/tris.md2",
//"models/weapons/v_blast/tris.md2", /* make blaster a flash light */
};
for(int i = 0; i < LENGTH(light_sources); i++) {
if(!strcmp(name, light_sources[i]))
return BSP_FLAG_LIGHT;
}
return 0;
}
inline int
is_light(int mat)
{
return (mat & (BSP_FLAG_LIGHT | BSP_FLAG_WATER)) == BSP_FLAG_LIGHT;
}
static void
upload_entity_transforms(uint32_t *num_instances, uint32_t *num_vertices)
{
static int entity_frame_num = 0;
static int model_entity_ids[2][MAX_ENTITIES];
static int world_entity_ids[2][MAX_ENTITIES];
static int model_entity_id_count[2];
static int world_entity_id_count[2];
entity_frame_num = !entity_frame_num;
QVKUniformBuffer_t *ubo = &vkpt_refdef.uniform_buffer;
ubo->num_lights = 0;
ubo->num_instances_model_bsp = 0;
memcpy(ubo->bsp_mesh_instances_prev,
ubo->bsp_mesh_instances,
sizeof(ubo->bsp_mesh_instances_prev));
memcpy(ubo->model_instances_prev,
ubo->model_instances,
sizeof(ubo->model_instances_prev));
int model_instance_idx = 0;
int bsp_mesh_idx = 0;
int num_instanced_vert = 0; /* need to track this here to find lights */
static uvec4_t bsp_cluster_id_prev[SHADER_MAX_BSP_ENTITIES / 4];
static uvec4_t model_cluster_id_prev[SHADER_MAX_ENTITIES / 4];
memcpy(bsp_cluster_id_prev, ubo->bsp_cluster_id, sizeof(ubo->bsp_cluster_id));
memcpy(model_cluster_id_prev, ubo->model_cluster_id, sizeof(ubo->model_cluster_id));
int instance_idx = 0;
for(int i = 0; i < vkpt_refdef.fd->num_entities; i++) {
entity_t *e = vkpt_refdef.fd->entities + i;
float M[16];
create_entity_matrix(M, e);
/* embedded in bsp */
if (e->model & 0x80000000) {
assert(bsp_mesh_idx < SHADER_MAX_BSP_ENTITIES);
/* update cluster index */
float pos_center_orig[4];
float pos_center_trans[4];
memcpy(pos_center_orig, vkpt_refdef.bsp_mesh_world.model_centers[~e->model], sizeof(float) * 3);
pos_center_orig[3] = 1.0;
mult_matrix_vector(pos_center_trans, M, pos_center_orig);
uint32_t cluster_id = BSP_PointLeaf(bsp_world_model->nodes, pos_center_trans)->cluster;
memcpy(&ubo->bsp_mesh_instances[bsp_mesh_idx].M, M, sizeof(M));
int idx = ~e->model;
int mesh_vert_cnt = vkpt_refdef.bsp_mesh_world.models_idx_count[idx];
ubo->bsp_prim_offset[bsp_mesh_idx / 4][bsp_mesh_idx % 4] /* insanity due to alignment :( */
= vkpt_refdef.bsp_mesh_world.models_idx_offset[~e->model] / 3;
ubo->bsp_cluster_id[bsp_mesh_idx / 4][bsp_mesh_idx % 4] = cluster_id;
world_entity_ids[entity_frame_num][bsp_mesh_idx] = e->id;
bsp_mesh_idx++;
ubo->instance_buf_offset[instance_idx / 4][instance_idx % 4] = num_instanced_vert / 3;
num_instanced_vert += mesh_vert_cnt;
ubo->num_instances_model_bsp += 1 << 0;
instance_idx++;
}
}
for(int i = 0; i < vkpt_refdef.fd->num_entities; i++) {
entity_t *e = vkpt_refdef.fd->entities + i;
float M[16];
create_entity_matrix(M, e);
model_t *model = NULL;
if(!(e->model & 0x80000000) && (model = MOD_ForHandle(e->model))) {
maliasmesh_t *mesh = &model->meshes[0];
if(!model->meshes) {
continue;
}
image_t *img = mesh->skins[0];
for(int s = 0; s < mesh->numskins; s++) {
if((img = mesh->skins[s]))
break;
}
model_entity_ids[entity_frame_num][model_instance_idx] = e->id;
ModelInstance_t *mi = &vkpt_refdef.uniform_buffer.model_instances[model_instance_idx];
memcpy(mi->M, M, sizeof(float) * 16);
mi->offset_curr = mesh->vertex_offset + e->frame * mesh->numverts;
mi->offset_prev = mesh->vertex_offset + e->oldframe * mesh->numverts;
mi->backlerp = e->backlerp;
mi->material = img ? (int)(img - r_images) : ~0;
mi->material |= get_model_flags(model->name);
/* insanity due to alignment :( */
uint32_t cluster_id = BSP_PointLeaf(bsp_world_model->nodes, e->origin)->cluster;
ubo->model_idx_offset[model_instance_idx / 4][model_instance_idx % 4] = mesh->idx_offset;
ubo->model_cluster_id[model_instance_idx / 4][model_instance_idx % 4] = cluster_id;
uint32_t mat_flags = get_model_flags(model->name);
if(is_light(mat_flags)) {
ubo->light_offset_cnt[ubo->num_lights / 2][0 + (ubo->num_lights % 2) * 2] = num_instanced_vert / 3;
ubo->light_offset_cnt[ubo->num_lights / 2][1 + (ubo->num_lights % 2) * 2] = mesh->numtris;
ubo->num_lights++;
}
else if((e->flags & RF_SHELL_MASK)) { /* quad damage */
ubo->light_offset_cnt[ubo->num_lights / 2][0 + (ubo->num_lights % 2) * 2] = (1 << 31) | (num_instanced_vert / 3);
ubo->light_offset_cnt[ubo->num_lights / 2][1 + (ubo->num_lights % 2) * 2] = mesh->numtris;
ubo->num_lights++;
}
ubo->instance_buf_offset[instance_idx / 4][instance_idx % 4] = num_instanced_vert / 3;
ubo->num_instances_model_bsp += 1 << 16;
instance_idx++;
model_instance_idx++;
num_instanced_vert += mesh->numtris * 3;
}
}
/* anchor for last element */
ubo->instance_buf_offset[instance_idx / 4][instance_idx % 4] = num_instanced_vert / 3;