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totk-pc-recomp/runtime/vk_device.c
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Valiantsin DzerakhandClaude Opus 5.5 710b7f5dd0 The device-lost report names the pass or dispatch the GPU was running 
The replay marks the start and the end of every render pass and dispatch
(vk_exec.c vk_exec_pass_begin and vk_exec_pass_end, vk_exec_draw.c
op_dispatch and op_dispatch_ind), outside the pass so no pass is broken.
With VK_AMD_buffer_marker the GPU writes the last started and finished mark
into words 2 and 3 of the breadcrumb buffer; with
VK_NV_device_diagnostic_checkpoints the same points are checkpoints, read
with vkGetQueueCheckpointData2NV after the loss. A ring of 4096 records maps
a mark to its submission, index, target formats and size, draw count and the
input ids of the first and last draw's shaders. vk_device_fault_report logs
both marks with their records. The calls go through the recorder thread.

TOTK_PASS_CRUMBS (menu: GPU pass marks): unset, AMD buffer marks only; 1,
also NVIDIA checkpoints, whose extension is enabled only then; 0, none.
The design follows Savage Wind Recomp 3fae40c; the code is ours.

--probe-vkexec gets a pass marks part: pass, dispatch, pass in one
submission; the marks read back after the fence name the last pass and the
report text says so.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-11-02 09:50:30 +03:00

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// Vulkan instance, physical device choice, logical device, VMA, timeline semaphore and the validation messenger.
// Ported from LAS Recomp, runtime/nvn/vulkan/device.c:33-330
// (https://github.com/peiikai/LASRecomp @ da35b83a9611d046a9a681aae668d7085954d37f, MIT, Copyright (c) 2026 Peiikai),
// without SDL. The VMA implementation is runtime/vk_vma.cpp (VMA is C++ only).
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "cfg.h"
#include "host.h"
#include "vk.h"
#include "platform/platform.h"
#include "vk_dlaa.h"
static VkCtx g_vk;
static int g_ready;
static PlatMutex g_lock = PLAT_MUTEX_INIT;
static VKAPI_ATTR VkBool32 VKAPI_CALL debug_cb(VkDebugUtilsMessageSeverityFlagBitsEXT sev, VkDebugUtilsMessageTypeFlagsEXT type,
const VkDebugUtilsMessengerCallbackDataEXT *d, void *user) {
(void)type, (void)user;
int err = (sev & VK_DEBUG_UTILS_MESSAGE_SEVERITY_ERROR_BIT_EXT) != 0;
if (err) plat_inc32(&g_vk.validation_errors);
static volatile int32_t logged;
if (plat_inc32(&logged) <= 500) rt_log("vk validation %s: %s", err ? "error" : "warning", d->pMessage);
return VK_FALSE;
}
static int has_ext(const VkExtensionProperties *e, uint32_t n, const char *name) {
for (uint32_t i = 0; i < n; i++) if (!strcmp(e[i].extensionName, name)) return 1;
return 0;
}
static int layer_present(const char *name) {
uint32_t n = 0;
vkEnumerateInstanceLayerProperties(&n, NULL);
VkLayerProperties *l = calloc(n ? n : 1, sizeof *l);
vkEnumerateInstanceLayerProperties(&n, l);
int found = 0;
for (uint32_t i = 0; i < n; i++) if (!strcmp(l[i].layerName, name)) found = 1;
free(l);
return found;
}
static int instance_ext_present(const char *name) {
uint32_t n = 0;
vkEnumerateInstanceExtensionProperties(NULL, &n, NULL);
VkExtensionProperties *e = calloc(n ? n : 1, sizeof *e);
vkEnumerateInstanceExtensionProperties(NULL, &n, e);
int found = 0;
for (uint32_t i = 0; i < n; i++) if (!strcmp(e[i].extensionName, name)) found = 1;
free(e);
return found;
}
// Mesa's drivers (RADV on Linux and the Steam Deck) keep a shader cache of their own beside our pipeline cache, by
// default in ~/.cache and up to 1 GB: about 35 MB in a minute of the title screen. A Deck's /home is small and the game
// usually sits on the SD card, so unless MESA_SHADER_CACHE_DIR names a folder, it goes to mesa-cache beside the exe.
static void mesa_cache_beside_exe(void) {
char dir[PLAT_PATH_MAX * 2];
if (plat_getenv("MESA_SHADER_CACHE_DIR", dir, sizeof dir)) return;
int len = plat_exe_path(dir, sizeof dir - 16);
char *cut = len ? plat_last_sep(dir) : NULL;
if (!cut) return;
strcpy(cut + 1, "mesa-cache");
plat_setenv("MESA_SHADER_CACHE_DIR", dir);
}
static int create_instance(void) {
mesa_cache_beside_exe();
const char *ext[12];
uint32_t n_ext = (uint32_t)gfx_window_vk_extensions(ext, 7);
const char *layers[] = {"VK_LAYER_KHRONOS_validation"};
int validate = cfg_bool("TOTK_VK_VALIDATION");
if (validate && !layer_present(layers[0])) {
rt_log("vk: TOTK_VK_VALIDATION set but %s is not installed; continuing without", layers[0]);
validate = 0;
}
if (validate) ext[n_ext++] = VK_EXT_DEBUG_UTILS_EXTENSION_NAME;
if (vk_hdr_wanted() && instance_ext_present(VK_EXT_SWAPCHAIN_COLOR_SPACE_EXTENSION_NAME)) // HDR10 surface formats
ext[n_ext++] = VK_EXT_SWAPCHAIN_COLOR_SPACE_EXTENSION_NAME;
vk_dlaa_instance_exts(ext, &n_ext, 12);
VkApplicationInfo app = {.sType = VK_STRUCTURE_TYPE_APPLICATION_INFO, .pApplicationName = "TotK Recomp",
.pEngineName = "TotK Recomp", .apiVersion = VK_API_VERSION_1_3};
VkInstanceCreateInfo ci = {.sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO, .pApplicationInfo = &app,
.enabledExtensionCount = n_ext, .ppEnabledExtensionNames = ext,
.enabledLayerCount = validate ? 1 : 0, .ppEnabledLayerNames = layers};
rdoc_init();
VkResult r = vkCreateInstance(&ci, NULL, &g_vk.instance);
if (r != VK_SUCCESS) { rt_log("vk: vkCreateInstance failed (%d); is a Vulkan 1.3 driver installed?", (int)r); return 0; }
g_vk.validation = validate;
if (validate) {
PFN_vkCreateDebugUtilsMessengerEXT f =
(PFN_vkCreateDebugUtilsMessengerEXT)vkGetInstanceProcAddr(g_vk.instance, "vkCreateDebugUtilsMessengerEXT");
VkDebugUtilsMessengerCreateInfoEXT mi = {
.sType = VK_STRUCTURE_TYPE_DEBUG_UTILS_MESSENGER_CREATE_INFO_EXT,
.messageSeverity = 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 = debug_cb};
if (f) f(g_vk.instance, &mi, NULL, &g_vk.messenger);
}
return 1;
}
static const char *const k_required_ext[] = {
VK_KHR_SWAPCHAIN_EXTENSION_NAME, VK_KHR_PUSH_DESCRIPTOR_EXTENSION_NAME, VK_EXT_DEPTH_CLIP_CONTROL_EXTENSION_NAME,
VK_EXT_EXTERNAL_MEMORY_HOST_EXTENSION_NAME};
// Name of the first missing required extension, or NULL.
static const char *missing_required(VkPhysicalDevice pd) {
uint32_t n = 0;
vkEnumerateDeviceExtensionProperties(pd, NULL, &n, NULL);
VkExtensionProperties *e = calloc(n ? n : 1, sizeof *e);
vkEnumerateDeviceExtensionProperties(pd, NULL, &n, e);
const char *miss = NULL;
for (size_t i = 0; i < sizeof k_required_ext / sizeof *k_required_ext && !miss; i++)
if (!has_ext(e, n, k_required_ext[i])) miss = k_required_ext[i];
free(e);
return miss;
}
// Graphics+compute family that can present to the window.
static uint32_t find_gfx_family(VkPhysicalDevice pd, const VkQueueFamilyProperties *qp, uint32_t nq) {
for (uint32_t i = 0; i < nq; i++)
if ((qp[i].queueFlags & VK_QUEUE_GRAPHICS_BIT) && (qp[i].queueFlags & VK_QUEUE_COMPUTE_BIT) &&
gfx_window_vk_presentable(g_vk.instance, pd, i))
return i;
return UINT32_MAX;
}
static int name_has(const char *s, const char *sub) {
for (size_t n = strlen(sub); *s; s++)
if (!strncasecmp(s, sub, n)) return 1;
return 0;
}
// First discrete GPU with Vulkan 1.3, the required extensions and a graphics+present queue; TOTK_GPU_INDEX (index) or
// TOTK_GPU_NAME (case-insensitive part of the name) overrides.
static int pick_device(void) {
uint32_t n = 0;
vkEnumeratePhysicalDevices(g_vk.instance, &n, NULL);
if (!n) { rt_log("vk: no Vulkan device"); return 0; }
VkPhysicalDevice *pd = calloc(n, sizeof *pd);
vkEnumeratePhysicalDevices(g_vk.instance, &n, pd);
const char *e = cfg_get("TOTK_GPU_INDEX"); // no fixed default: the best device when unset
int want = e && *e ? atoi(e) : -1;
const char *name = cfg_get("TOTK_GPU_NAME");
int best = -1, best_score = -1;
for (uint32_t i = 0; i < n; i++) {
VkPhysicalDeviceProperties p;
vkGetPhysicalDeviceProperties(pd[i], &p);
rt_log("vk: gpu %u: %s (type %d, api %u.%u.%u)", i, p.deviceName, (int)p.deviceType, VK_API_VERSION_MAJOR(p.apiVersion),
VK_API_VERSION_MINOR(p.apiVersion), VK_API_VERSION_PATCH(p.apiVersion));
if (want >= 0 && (int)i != want) continue;
if (name && *name && !name_has(p.deviceName, name)) continue;
if (p.apiVersion < VK_API_VERSION_1_3) { rt_log("vk: gpu %u skipped: Vulkan below 1.3", i); continue; }
const char *miss = missing_required(pd[i]);
if (miss) { rt_log("vk: gpu %u skipped: missing extension %s", i, miss); continue; }
uint32_t nq = 0;
vkGetPhysicalDeviceQueueFamilyProperties(pd[i], &nq, NULL);
VkQueueFamilyProperties *qp = calloc(nq ? nq : 1, sizeof *qp);
vkGetPhysicalDeviceQueueFamilyProperties(pd[i], &nq, qp);
uint32_t fam = find_gfx_family(pd[i], qp, nq);
free(qp);
if (fam == UINT32_MAX) { rt_log("vk: gpu %u skipped: no graphics+compute+present queue family", i); continue; }
int score = (int)i == want ? 100 : p.deviceType == VK_PHYSICAL_DEVICE_TYPE_DISCRETE_GPU ? 3
: p.deviceType == VK_PHYSICAL_DEVICE_TYPE_INTEGRATED_GPU ? 2 : 1;
if (score > best_score) { best_score = score; best = (int)i; }
}
if (best < 0) {
if (want >= 0) rt_log("vk: TOTK_GPU_INDEX=%d is not usable (see above)", want);
else if (name && *name) rt_log("vk: no usable gpu matches TOTK_GPU_NAME=%s (see above)", name);
else rt_log("vk: no device with Vulkan 1.3 and the required extensions (see above)");
free(pd);
return 0;
}
g_vk.phys = pd[best];
g_vk.device_index = best;
free(pd);
vkGetPhysicalDeviceProperties(g_vk.phys, &g_vk.props);
vkGetPhysicalDeviceMemoryProperties(g_vk.phys, &g_vk.mem_props);
uint32_t nq = 0;
vkGetPhysicalDeviceQueueFamilyProperties(g_vk.phys, &nq, NULL);
VkQueueFamilyProperties *qp = calloc(nq ? nq : 1, sizeof *qp);
vkGetPhysicalDeviceQueueFamilyProperties(g_vk.phys, &nq, qp);
g_vk.gfx_family = find_gfx_family(g_vk.phys, qp, nq);
g_vk.xfer_family = g_vk.gfx_family;
for (uint32_t i = 0; i < nq; i++) // a family that does transfer only (async DMA engine)
if ((qp[i].queueFlags & VK_QUEUE_TRANSFER_BIT) && !(qp[i].queueFlags & (VK_QUEUE_GRAPHICS_BIT | VK_QUEUE_COMPUTE_BIT))) {
g_vk.xfer_family = i;
break;
}
free(qp);
rt_log("vk: using gpu %d: %s", best, g_vk.props.deviceName);
vk_mem_class_log(&g_vk.props, &g_vk.mem_props);
return 1;
}
typedef struct {
VkPhysicalDeviceFeatures2 f2;
VkPhysicalDeviceVulkan11Features f11;
VkPhysicalDeviceVulkan12Features f12;
VkPhysicalDeviceVulkan13Features f13;
VkPhysicalDeviceDepthClipControlFeaturesEXT clip;
VkPhysicalDeviceCustomBorderColorFeaturesEXT cbc;
VkPhysicalDeviceExtendedDynamicStateFeaturesEXT eds;
VkPhysicalDeviceExtendedDynamicState2FeaturesEXT eds2;
VkPhysicalDeviceExtendedDynamicState3FeaturesEXT eds3;
VkPhysicalDeviceVertexInputDynamicStateFeaturesEXT vids;
VkPhysicalDeviceConditionalRenderingFeaturesEXT cond;
VkPhysicalDeviceTransformFeedbackFeaturesEXT xfb;
VkPhysicalDeviceProvokingVertexFeaturesEXT pv;
VkPhysicalDeviceRobustness2FeaturesEXT rob2;
VkPhysicalDeviceFaultFeaturesEXT fault;
VkPhysicalDeviceFragmentShaderInterlockFeaturesEXT fsi;
VkPhysicalDeviceGraphicsPipelineLibraryFeaturesEXT gpl;
VkPhysicalDeviceAttachmentFeedbackLoopLayoutFeaturesEXT fbl;
VkPhysicalDeviceDynamicRenderingLocalReadFeaturesKHR lr;
} FeatureChain;
static int create_device(void) {
uint32_t ne = 0;
vkEnumerateDeviceExtensionProperties(g_vk.phys, NULL, &ne, NULL);
VkExtensionProperties *ep = calloc(ne ? ne : 1, sizeof *ep);
vkEnumerateDeviceExtensionProperties(g_vk.phys, NULL, &ne, ep);
const char *ext[48];
uint32_t n_ext = 0;
for (size_t i = 0; i < sizeof k_required_ext / sizeof *k_required_ext; i++) ext[n_ext++] = k_required_ext[i];
FeatureChain *c = calloc(1, sizeof *c);
void **tail = &c->f2.pNext;
#define CHAIN(member, stype) do { c->member.sType = stype; *tail = &c->member; tail = &c->member.pNext; } while (0)
c->f2.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_FEATURES_2;
CHAIN(f11, VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_VULKAN_1_1_FEATURES);
CHAIN(f12, VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_VULKAN_1_2_FEATURES);
CHAIN(f13, VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_VULKAN_1_3_FEATURES);
CHAIN(clip, VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_DEPTH_CLIP_CONTROL_FEATURES_EXT);
#define OPTIONAL_EXT(flag, name, member, stype) do { \
if (has_ext(ep, ne, name)) { g_vk.flag = 1; ext[n_ext++] = name; CHAIN(member, stype); } } while (0)
OPTIONAL_EXT(has_custom_border_color, VK_EXT_CUSTOM_BORDER_COLOR_EXTENSION_NAME, cbc, VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_CUSTOM_BORDER_COLOR_FEATURES_EXT);
OPTIONAL_EXT(has_eds, VK_EXT_EXTENDED_DYNAMIC_STATE_EXTENSION_NAME, eds, VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_EXTENDED_DYNAMIC_STATE_FEATURES_EXT);
OPTIONAL_EXT(has_eds2, VK_EXT_EXTENDED_DYNAMIC_STATE_2_EXTENSION_NAME, eds2, VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_EXTENDED_DYNAMIC_STATE_2_FEATURES_EXT);
OPTIONAL_EXT(has_eds3, VK_EXT_EXTENDED_DYNAMIC_STATE_3_EXTENSION_NAME, eds3, VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_EXTENDED_DYNAMIC_STATE_3_FEATURES_EXT);
OPTIONAL_EXT(has_vertex_input_dynamic_state, VK_EXT_VERTEX_INPUT_DYNAMIC_STATE_EXTENSION_NAME, vids, VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_VERTEX_INPUT_DYNAMIC_STATE_FEATURES_EXT);
OPTIONAL_EXT(has_conditional_rendering, VK_EXT_CONDITIONAL_RENDERING_EXTENSION_NAME, cond, VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_CONDITIONAL_RENDERING_FEATURES_EXT);
OPTIONAL_EXT(has_transform_feedback, VK_EXT_TRANSFORM_FEEDBACK_EXTENSION_NAME, xfb, VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_TRANSFORM_FEEDBACK_FEATURES_EXT);
OPTIONAL_EXT(has_provoking_vertex, VK_EXT_PROVOKING_VERTEX_EXTENSION_NAME, pv, VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_PROVOKING_VERTEX_FEATURES_EXT);
OPTIONAL_EXT(has_robustness2, VK_EXT_ROBUSTNESS_2_EXTENSION_NAME, rob2, VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_ROBUSTNESS_2_FEATURES_EXT);
OPTIONAL_EXT(has_device_fault, VK_EXT_DEVICE_FAULT_EXTENSION_NAME, fault, VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_FAULT_FEATURES_EXT);
// Ryujinx's SPIR-V declares fragment shader interlock whenever the host reports it (vk_pipeline.c spirv_fixup).
OPTIONAL_EXT(has_fragment_shader_interlock, VK_EXT_FRAGMENT_SHADER_INTERLOCK_EXTENSION_NAME, fsi,
VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_FRAGMENT_SHADER_INTERLOCK_FEATURES_EXT);
// Feedback loops (vk.h VkCtx.feedback): the layout, and barriers inside dynamic rendering
int has_fbl = 0, has_lr = 0;
if (has_ext(ep, ne, VK_EXT_ATTACHMENT_FEEDBACK_LOOP_LAYOUT_EXTENSION_NAME) &&
has_ext(ep, ne, VK_KHR_DYNAMIC_RENDERING_LOCAL_READ_EXTENSION_NAME)) {
has_fbl = has_lr = 1;
ext[n_ext++] = VK_EXT_ATTACHMENT_FEEDBACK_LOOP_LAYOUT_EXTENSION_NAME;
ext[n_ext++] = VK_KHR_DYNAMIC_RENDERING_LOCAL_READ_EXTENSION_NAME;
CHAIN(fbl, VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_ATTACHMENT_FEEDBACK_LOOP_LAYOUT_FEATURES_EXT);
CHAIN(lr, VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_DYNAMIC_RENDERING_LOCAL_READ_FEATURES_KHR);
}
vk_dlaa_device_exts(ep, ne, ext, &n_ext, 40); // NGX's; the eight slots after it stay for the seven below
if (has_ext(ep, ne, VK_EXT_MEMORY_BUDGET_EXTENSION_NAME)) { g_vk.has_memory_budget = 1; ext[n_ext++] = VK_EXT_MEMORY_BUDGET_EXTENSION_NAME; }
// GPU timestamps on the CPU clock (vk_sync.c): the perf line splits GPU idle time into waiting for a submission or not.
if (has_ext(ep, ne, VK_KHR_CALIBRATED_TIMESTAMPS_EXTENSION_NAME)) { g_vk.has_calibrated = 2; ext[n_ext++] = VK_KHR_CALIBRATED_TIMESTAMPS_EXTENSION_NAME; }
else if (has_ext(ep, ne, VK_EXT_CALIBRATED_TIMESTAMPS_EXTENSION_NAME)) { g_vk.has_calibrated = 1; ext[n_ext++] = VK_EXT_CALIBRATED_TIMESTAMPS_EXTENSION_NAME; }
if (vk_hdr_wanted() && has_ext(ep, ne, VK_EXT_HDR_METADATA_EXTENSION_NAME)) { // the display's peak (vk_hdr_metadata)
g_vk.has_hdr_metadata = 1;
ext[n_ext++] = VK_EXT_HDR_METADATA_EXTENSION_NAME;
}
// GPU breadcrumbs for a lost device (vk_crumbs.c): AMD's drivers and RADV report it.
if (has_ext(ep, ne, VK_AMD_BUFFER_MARKER_EXTENSION_NAME)) { g_vk.has_buffer_marker = 1; ext[n_ext++] = VK_AMD_BUFFER_MARKER_EXTENSION_NAME; }
// Pass marks on NVIDIA (vk_crumbs.c): checkpoints only with TOTK_PASS_CRUMBS=1, since NVIDIA documents a cost for
// the extension. NVIDIA's drivers report it, AMD's do not.
if (vk_pass_marks_want_nv() && has_ext(ep, ne, VK_NV_DEVICE_DIAGNOSTIC_CHECKPOINTS_EXTENSION_NAME)) {
g_vk.has_nv_checkpoints = 1;
ext[n_ext++] = VK_NV_DEVICE_DIAGNOSTIC_CHECKPOINTS_EXTENSION_NAME;
}
// Graphics pipeline library: chained last so it can be dropped again when vk_caps_gpl declines it.
void **gpl_link = NULL;
if (has_ext(ep, ne, VK_KHR_PIPELINE_LIBRARY_EXTENSION_NAME) && has_ext(ep, ne, VK_EXT_GRAPHICS_PIPELINE_LIBRARY_EXTENSION_NAME)) {
ext[n_ext++] = VK_KHR_PIPELINE_LIBRARY_EXTENSION_NAME;
ext[n_ext++] = VK_EXT_GRAPHICS_PIPELINE_LIBRARY_EXTENSION_NAME;
gpl_link = tail;
CHAIN(gpl, VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_GRAPHICS_PIPELINE_LIBRARY_FEATURES_EXT);
}
free(ep);
// The driver fills the chain with what it supports; the same chain then enables all of it (robustBufferAccess
// stays on: guest shaders index constant buffers freely and out-of-range reads must stay harmless).
vkGetPhysicalDeviceFeatures2(g_vk.phys, &c->f2);
vk_caps_driver(g_vk.phys);
vk_caps_features(&c->f2.features);
if (gpl_link) {
VkPhysicalDeviceGraphicsPipelineLibraryPropertiesEXT gp = {
.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_GRAPHICS_PIPELINE_LIBRARY_PROPERTIES_EXT};
VkPhysicalDeviceProperties2 p2 = {.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_PROPERTIES_2, .pNext = &gp};
vkGetPhysicalDeviceProperties2(g_vk.phys, &p2);
if (!vk_caps_gpl(&c->gpl, &gp)) { *gpl_link = NULL; n_ext -= 2; }
}
const VkPhysicalDeviceFeatures *h = &c->f2.features;
const char *miss = NULL;
if (!c->f12.timelineSemaphore) miss = "timelineSemaphore";
else if (!c->f13.dynamicRendering) miss = "dynamicRendering";
else if (!c->f13.synchronization2) miss = "synchronization2";
else if (!h->shaderStorageImageWriteWithoutFormat) miss = "shaderStorageImageWriteWithoutFormat";
else if (!c->clip.depthClipControl) miss = "depthClipControl";
else if (!h->shaderInt64) miss = "shaderInt64";
else if (!h->samplerAnisotropy) miss = "samplerAnisotropy";
else if (!h->independentBlend) miss = "independentBlend";
else if (!h->geometryShader) miss = "geometryShader";
else if (!h->textureCompressionBC) miss = "textureCompressionBC";
if (miss) { rt_log("vk: required feature missing on %s: %s", g_vk.props.deviceName, miss); free(c); return 0; }
if (!c->fault.deviceFault) g_vk.has_device_fault = 0; // vkGetDeviceFaultInfoEXT needs the feature, not just the extension
g_vk.has_buffer_device_address = c->f12.bufferDeviceAddress;
g_vk.has_astc_ldr = h->textureCompressionASTC_LDR;
{
const char *e = cfg_get("TOTK_FEEDBACK");
int layout_ok = has_fbl && has_lr && c->fbl.attachmentFeedbackLoopLayout && c->lr.dynamicRenderingLocalRead;
g_vk.feedback = e && !strcmp(e, "0") ? VK_FEEDBACK_OFF
: layout_ok && !(e && !strcmp(e, "restart")) ? VK_FEEDBACK_LAYOUT : VK_FEEDBACK_RESTART;
rt_log("vk: feedback loops: %s (attachmentFeedbackLoopLayout %d, dynamicRenderingLocalRead %d)",
g_vk.feedback == VK_FEEDBACK_LAYOUT ? "feedback layout + by-region barrier"
: g_vk.feedback == VK_FEEDBACK_RESTART ? "pass restart + full barrier" : "off (TOTK_FEEDBACK=0)",
has_fbl && c->fbl.attachmentFeedbackLoopLayout, has_lr && c->lr.dynamicRenderingLocalRead);
}
float prio = 1.0f;
VkDeviceQueueCreateInfo qi[2] = {
{.sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO, .queueFamilyIndex = g_vk.gfx_family, .queueCount = 1,
.pQueuePriorities = &prio}};
uint32_t nqi = 1;
if (g_vk.xfer_family != g_vk.gfx_family) {
qi[1] = (VkDeviceQueueCreateInfo){.sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO,
.queueFamilyIndex = g_vk.xfer_family, .queueCount = 1, .pQueuePriorities = &prio};
nqi = 2;
}
VkDeviceCreateInfo di = {.sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO, .pNext = &c->f2, .queueCreateInfoCount = nqi,
.pQueueCreateInfos = qi, .enabledExtensionCount = n_ext, .ppEnabledExtensionNames = ext};
VkResult r = vkCreateDevice(g_vk.phys, &di, NULL, &g_vk.device);
free(c);
if (r != VK_SUCCESS) { rt_log("vk: vkCreateDevice failed (%d)", (int)r); return 0; }
vkGetDeviceQueue(g_vk.device, g_vk.gfx_family, 0, &g_vk.gfx_queue);
if (g_vk.xfer_family != g_vk.gfx_family) vkGetDeviceQueue(g_vk.device, g_vk.xfer_family, 0, &g_vk.xfer_queue);
else { g_vk.xfer_queue = g_vk.gfx_queue; g_vk.xfer_shared = 1; }
VkPhysicalDeviceExternalMemoryHostPropertiesEXT emh = {.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_EXTERNAL_MEMORY_HOST_PROPERTIES_EXT};
VkPhysicalDeviceProperties2 p2 = {.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_PROPERTIES_2, .pNext = &emh};
vkGetPhysicalDeviceProperties2(g_vk.phys, &p2);
g_vk.min_imported_host_alignment = (uint32_t)emh.minImportedHostPointerAlignment;
vk_caps_init(&g_vk);
VmaAllocatorCreateInfo ai = {.physicalDevice = g_vk.phys, .device = g_vk.device, .instance = g_vk.instance,
.vulkanApiVersion = VK_API_VERSION_1_3,
.flags = (g_vk.has_buffer_device_address ? VMA_ALLOCATOR_CREATE_BUFFER_DEVICE_ADDRESS_BIT : 0) |
(g_vk.has_memory_budget ? VMA_ALLOCATOR_CREATE_EXT_MEMORY_BUDGET_BIT : 0),
.pDeviceMemoryCallbacks = vk_headroom_callbacks()};
if ((r = vmaCreateAllocator(&ai, &g_vk.vma)) != VK_SUCCESS) { rt_log("vk: vmaCreateAllocator failed (%d)", (int)r); return 0; }
VkSemaphoreTypeCreateInfo st = {.sType = VK_STRUCTURE_TYPE_SEMAPHORE_TYPE_CREATE_INFO,
.semaphoreType = VK_SEMAPHORE_TYPE_TIMELINE, .initialValue = 0};
VkSemaphoreCreateInfo si = {.sType = VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO, .pNext = &st};
if ((r = vkCreateSemaphore(g_vk.device, &si, NULL, &g_vk.timeline)) != VK_SUCCESS) {
rt_log("vk: timeline semaphore creation failed (%d)", (int)r);
return 0;
}
vk_crumbs_init(&g_vk);
return 1;
}
static long g_errors_total; // outlives the device so the probe can print it after vk_shutdown
static void destroy_all(void) {
gfx_window_release_vk();
if (g_vk.device) vkDeviceWaitIdle(g_vk.device);
if (g_vk.device) vk_astc_release();
if (g_vk.device) vk_crumbs_release();
if (g_vk.timeline) vkDestroySemaphore(g_vk.device, g_vk.timeline, NULL);
vk_headroom_stop();
if (g_vk.vma) vmaDestroyAllocator(g_vk.vma);
if (g_vk.device) vkDestroyDevice(g_vk.device, NULL);
if (g_vk.messenger) {
PFN_vkDestroyDebugUtilsMessengerEXT f =
(PFN_vkDestroyDebugUtilsMessengerEXT)vkGetInstanceProcAddr(g_vk.instance, "vkDestroyDebugUtilsMessengerEXT");
if (f) f(g_vk.instance, g_vk.messenger, NULL);
}
if (g_vk.instance) vkDestroyInstance(g_vk.instance, NULL);
g_errors_total += g_vk.validation_errors;
memset(&g_vk, 0, sizeof g_vk);
}
long vk_validation_errors_total(void) { return g_errors_total + (g_ready ? g_vk.validation_errors : 0); }
int vk_init(void) {
plat_mutex_lock(&g_lock);
if (!g_ready) {
memset(&g_vk, 0, sizeof g_vk);
if (create_instance() && pick_device() && create_device()) g_ready = 1, vk_headroom_start(), vk_dlaa_init();
else destroy_all();
}
int ok = g_ready;
plat_mutex_unlock(&g_lock);
return ok;
}
void vk_shutdown(void) {
plat_mutex_lock(&g_lock);
if (g_ready) { destroy_all(); g_ready = 0; }
plat_mutex_unlock(&g_lock);
}
VkCtx *vk_ctx(void) { return g_ready ? &g_vk : NULL; }
static const char *fault_address_type(VkDeviceFaultAddressTypeEXT t) {
switch (t) {
case VK_DEVICE_FAULT_ADDRESS_TYPE_NONE_EXT: return "none";
case VK_DEVICE_FAULT_ADDRESS_TYPE_READ_INVALID_EXT: return "read invalid";
case VK_DEVICE_FAULT_ADDRESS_TYPE_WRITE_INVALID_EXT: return "write invalid";
case VK_DEVICE_FAULT_ADDRESS_TYPE_EXECUTE_INVALID_EXT: return "execute invalid";
case VK_DEVICE_FAULT_ADDRESS_TYPE_INSTRUCTION_POINTER_UNKNOWN_EXT: return "instruction pointer (unknown)";
case VK_DEVICE_FAULT_ADDRESS_TYPE_INSTRUCTION_POINTER_INVALID_EXT: return "instruction pointer (invalid)";
case VK_DEVICE_FAULT_ADDRESS_TYPE_INSTRUCTION_POINTER_FAULT_EXT: return "instruction pointer (fault)";
default: return "unknown type";
}
}
// The query runs once per process. Threads that hit the loss at the same time wait on the lock until it is logged, so
// none of them reaches its rt_fatal and ends the process before the report is written.
void vk_device_fault_report(VkResult r) {
static PlatMutex lock = PLAT_MUTEX_INIT;
static int done;
if (r != VK_ERROR_DEVICE_LOST) return;
plat_mutex_lock(&lock);
if (done) { plat_mutex_unlock(&lock); return; }
done = 1;
vk_crumbs_report();
vk_pass_marks_report();
VkCtx *c = vk_ctx();
PFN_vkGetDeviceFaultInfoEXT get =
c && c->has_device_fault ? (PFN_vkGetDeviceFaultInfoEXT)vkGetDeviceProcAddr(c->device, "vkGetDeviceFaultInfoEXT")
: NULL;
if (!get) {
rt_log("vk: device lost; no fault report (VK_EXT_device_fault %s)", c && c->has_device_fault ? "has no entry point"
: "not enabled");
plat_mutex_unlock(&lock);
return;
}
VkDeviceFaultCountsEXT n = {.sType = VK_STRUCTURE_TYPE_DEVICE_FAULT_COUNTS_EXT};
VkResult q = get(c->device, &n, NULL);
VkDeviceFaultAddressInfoEXT *ai = calloc(n.addressInfoCount + 1, sizeof *ai);
VkDeviceFaultVendorInfoEXT *vi = calloc(n.vendorInfoCount + 1, sizeof *vi);
VkDeviceFaultInfoEXT info = {.sType = VK_STRUCTURE_TYPE_DEVICE_FAULT_INFO_EXT, .pAddressInfos = ai, .pVendorInfos = vi};
uint64_t binary = n.vendorBinarySize;
n.vendorBinarySize = 0; // the vendor binary is not fetched; its size alone is logged
if (q == VK_SUCCESS && ai && vi) q = get(c->device, &n, &info);
if (q != VK_SUCCESS && q != VK_INCOMPLETE) {
rt_log("vk: device lost; vkGetDeviceFaultInfoEXT failed (%d)", (int)q);
} else {
rt_log("vk: device fault: \"%s\" (%u address infos, %u vendor infos, vendor binary %llu bytes)", info.description,
n.addressInfoCount, n.vendorInfoCount, (unsigned long long)binary);
// The faulting access lies in the precision-aligned range around the reported address.
for (uint32_t i = 0; i < n.addressInfoCount; i++)
rt_log("vk: device fault address %u: %s at %#llx, precision %#llx", i, fault_address_type(ai[i].addressType),
(unsigned long long)ai[i].reportedAddress, (unsigned long long)ai[i].addressPrecision);
for (uint32_t i = 0; i < n.vendorInfoCount; i++)
rt_log("vk: device fault vendor info %u: \"%s\" code %#llx data %#llx", i, vi[i].description,
(unsigned long long)vi[i].vendorFaultCode, (unsigned long long)vi[i].vendorFaultData);
}
free(ai);
free(vi);
plat_mutex_unlock(&lock);
}
int vk_selftest(void) {
if (!vk_init()) return 1;
VkCtx *c = &g_vk;
VkBufferCreateInfo bi = {.sType = VK_STRUCTURE_TYPE_BUFFER_CREATE_INFO, .size = 64 << 10,
.usage = VK_BUFFER_USAGE_TRANSFER_SRC_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT | VK_BUFFER_USAGE_STORAGE_BUFFER_BIT};
VmaAllocationCreateInfo aci = {.usage = VMA_MEMORY_USAGE_AUTO, .flags = VMA_ALLOCATION_CREATE_HOST_ACCESS_SEQUENTIAL_WRITE_BIT};
VkBuffer buf;
VmaAllocation alloc;
VkResult r = vmaCreateBuffer(c->vma, &bi, &aci, &buf, &alloc, NULL);
if (r != VK_SUCCESS) { rt_log("vk selftest: vmaCreateBuffer failed (%d)", (int)r); return 2; }
vmaDestroyBuffer(c->vma, buf, alloc);
VkSemaphoreSignalInfo sig = {.sType = VK_STRUCTURE_TYPE_SEMAPHORE_SIGNAL_INFO, .semaphore = c->timeline, .value = 1};
if ((r = vkSignalSemaphore(c->device, &sig)) != VK_SUCCESS) { rt_log("vk selftest: vkSignalSemaphore failed (%d)", (int)r); return 3; }
uint64_t value = 1;
VkSemaphoreWaitInfo wi = {.sType = VK_STRUCTURE_TYPE_SEMAPHORE_WAIT_INFO, .semaphoreCount = 1, .pSemaphores = &c->timeline,
.pValues = &value};
if ((r = vkWaitSemaphores(c->device, &wi, 1000000000ull)) != VK_SUCCESS) { rt_log("vk selftest: vkWaitSemaphores failed (%d)", (int)r); return 4; }
uint64_t now = 0;
vkGetSemaphoreCounterValue(c->device, c->timeline, &now);
if (now != 1) { rt_log("vk selftest: timeline value %llu, expected 1", (unsigned long long)now); return 5; }
return 0;
}
// --probe-vkdevice (host.h)
int probe_vkdevice(void) {
int rc = vk_selftest();
VkCtx *c = vk_ctx();
if (rc || !c) { printf("probe-vkdevice: FAILED (selftest %d)\n", rc ? rc : 1); vk_shutdown(); return 1; }
uint32_t v = c->props.apiVersion;
printf("probe-vkdevice: device %d \"%s\" api %u.%u.%u, gfx queue family %u, transfer family %u%s, host import alignment %#x\n",
c->device_index, c->props.deviceName, VK_API_VERSION_MAJOR(v), VK_API_VERSION_MINOR(v), VK_API_VERSION_PATCH(v),
c->gfx_family, c->xfer_family, c->xfer_shared ? " (shared queue)" : "", c->min_imported_host_alignment);
printf("probe-vkdevice: optional: custom_border=%d eds=%d eds2=%d eds3=%d vertex_input=%d cond_render=%d xfb=%d provoking=%d "
"robustness2=%d fault=%d budget=%d bda=%d interlock=%d buffer_marker=%d nv_checkpoints=%d validation=%d\n",
c->has_custom_border_color, c->has_eds, c->has_eds2, c->has_eds3, c->has_vertex_input_dynamic_state,
c->has_conditional_rendering, c->has_transform_feedback, c->has_provoking_vertex, c->has_robustness2,
c->has_device_fault, c->has_memory_budget, c->has_buffer_device_address, c->has_fragment_shader_interlock,
c->has_buffer_marker, c->has_nv_checkpoints, c->validation);
vk_shutdown();
printf("probe-vkdevice: %s (validation errors %ld)\n", g_errors_total ? "FAILED" : "passed", g_errors_total);
return g_errors_total ? 1 : 0;
}
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