gboolean
gst_vulkan_instance_open (GstVulkanInstance * instance, GError ** error)
{
VkExtensionProperties *instance_extensions;
char *extension_names[64]; /* FIXME: make dynamic */
VkLayerProperties *instance_layers;
uint32_t instance_extension_count = 0;
uint32_t enabled_extension_count = 0;
uint32_t instance_layer_count = 0;
uint32_t enabled_layer_count = 0;
gchar **enabled_layers;
VkResult err;
GST_OBJECT_LOCK (instance);
if (instance->priv->opened) {
GST_OBJECT_UNLOCK (instance);
return TRUE;
}
/* Look for validation layers */
err = vkEnumerateInstanceLayerProperties (&instance_layer_count, NULL);
if (gst_vulkan_error_to_g_error (err, error,
"vKEnumerateInstanceLayerProperties") < 0)
goto error;
instance_layers = g_new0 (VkLayerProperties, instance_layer_count);
err =
vkEnumerateInstanceLayerProperties (&instance_layer_count,
instance_layers);
if (gst_vulkan_error_to_g_error (err, error,
"vKEnumerateInstanceLayerProperties") < 0) {
g_free (instance_layers);
goto error;
}
/* TODO: allow outside selection */
_check_for_all_layers (G_N_ELEMENTS (instance_validation_layers),
instance_validation_layers, instance_layer_count, instance_layers,
&enabled_layer_count, &enabled_layers);
g_free (instance_layers);
err =
vkEnumerateInstanceExtensionProperties (NULL, &instance_extension_count,
NULL);
if (gst_vulkan_error_to_g_error (err, error,
"vkEnumerateInstanceExtensionProperties") < 0) {
g_strfreev (enabled_layers);
goto error;
}
GST_DEBUG_OBJECT (instance, "Found %u extensions", instance_extension_count);
memset (extension_names, 0, sizeof (extension_names));
instance_extensions =
g_new0 (VkExtensionProperties, instance_extension_count);
err =
vkEnumerateInstanceExtensionProperties (NULL, &instance_extension_count,
instance_extensions);
if (gst_vulkan_error_to_g_error (err, error,
"vkEnumerateInstanceExtensionProperties") < 0) {
g_strfreev (enabled_layers);
g_free (instance_extensions);
goto error;
}
{
GstVulkanDisplayType display_type;
gboolean swapchain_ext_found = FALSE;
gboolean winsys_ext_found = FALSE;
const gchar *winsys_ext_name;
display_type = gst_vulkan_display_choose_type (instance);
winsys_ext_name =
gst_vulkan_display_type_to_extension_string (display_type);
if (!winsys_ext_name) {
GST_WARNING_OBJECT (instance, "No window system extension enabled");
winsys_ext_found = TRUE; /* Don't error out completely */
}
/* TODO: allow outside selection */
for (uint32_t i = 0; i < instance_extension_count; i++) {
GST_TRACE_OBJECT (instance, "checking instance extension %s",
instance_extensions[i].extensionName);
if (!g_strcmp0 (VK_KHR_SURFACE_EXTENSION_NAME,
instance_extensions[i].extensionName)) {
swapchain_ext_found = TRUE;
extension_names[enabled_extension_count++] =
(gchar *) VK_KHR_SURFACE_EXTENSION_NAME;
}
if (!g_strcmp0 (VK_EXT_DEBUG_REPORT_EXTENSION_NAME,
instance_extensions[i].extensionName)) {
extension_names[enabled_extension_count++] =
(gchar *) VK_EXT_DEBUG_REPORT_EXTENSION_NAME;
}
if (!g_strcmp0 (winsys_ext_name, instance_extensions[i].extensionName)) {
winsys_ext_found = TRUE;
extension_names[enabled_extension_count++] = (gchar *) winsys_ext_name;
}
g_assert (enabled_extension_count < 64);
}
if (!swapchain_ext_found) {
g_set_error (error, GST_VULKAN_ERROR, VK_ERROR_INITIALIZATION_FAILED,
"vkEnumerateInstanceExtensionProperties failed to find the required "
"\"" VK_KHR_SURFACE_EXTENSION_NAME "\" extension");
g_strfreev (enabled_layers);
g_free (instance_extensions);
goto error;
}
if (!winsys_ext_found) {
g_set_error (error, GST_VULKAN_ERROR, VK_ERROR_INITIALIZATION_FAILED,
"vkEnumerateInstanceExtensionProperties failed to find the required "
"\"%s\" window system extension", winsys_ext_name);
g_strfreev (enabled_layers);
g_free (instance_extensions);
goto error;
}
}
{
VkApplicationInfo app = { 0, };
VkInstanceCreateInfo inst_info = { 0, };
app.sType = VK_STRUCTURE_TYPE_APPLICATION_INFO;
app.pNext = NULL;
app.pApplicationName = APP_SHORT_NAME;
app.applicationVersion = 0;
app.pEngineName = APP_SHORT_NAME;
app.engineVersion = 0;
app.apiVersion = VK_API_VERSION_1_0;
inst_info.sType = VK_STRUCTURE_TYPE_INSTANCE_CREATE_INFO;
inst_info.pNext = NULL;
inst_info.pApplicationInfo = &app;
#if 0
inst_info.enabledLayerCount = enabled_layer_count;
inst_info.ppEnabledLayerNames = (const char *const *) enabled_layers;
#else
inst_info.enabledLayerCount = 0;
inst_info.ppEnabledLayerNames = NULL;
#endif
inst_info.enabledExtensionCount = enabled_extension_count;
inst_info.ppEnabledExtensionNames = (const char *const *) extension_names;
err = vkCreateInstance (&inst_info, NULL, &instance->instance);
if (gst_vulkan_error_to_g_error (err, error, "vkCreateInstance") < 0) {
g_strfreev (enabled_layers);
g_free (instance_extensions);
goto error;
}
}
g_free (instance_extensions);
g_strfreev (enabled_layers);
err =
vkEnumeratePhysicalDevices (instance->instance,
&instance->n_physical_devices, NULL);
if (gst_vulkan_error_to_g_error (err, error,
"vkEnumeratePhysicalDevices") < 0)
goto error;
g_assert (instance->n_physical_devices > 0);
instance->physical_devices =
g_new0 (VkPhysicalDevice, instance->n_physical_devices);
err =
vkEnumeratePhysicalDevices (instance->instance,
&instance->n_physical_devices, instance->physical_devices);
if (gst_vulkan_error_to_g_error (err, error,
"vkEnumeratePhysicalDevices") < 0)
goto error;
instance->dbgCreateDebugReportCallback = (PFN_vkCreateDebugReportCallbackEXT)
gst_vulkan_instance_get_proc_address (instance,
"vkCreateDebugReportCallbackEXT");
if (!instance->dbgCreateDebugReportCallback) {
g_set_error (error, GST_VULKAN_ERROR, VK_ERROR_INITIALIZATION_FAILED,
"Failed to retreive vkCreateDebugReportCallback");
goto error;
}
instance->dbgDestroyDebugReportCallback =
(PFN_vkDestroyDebugReportCallbackEXT)
gst_vulkan_instance_get_proc_address (instance,
"vkDestroyDebugReportCallbackEXT");
if (!instance->dbgDestroyDebugReportCallback) {
g_set_error (error, GST_VULKAN_ERROR, VK_ERROR_INITIALIZATION_FAILED,
"Failed to retreive vkDestroyDebugReportCallback");
goto error;
}
instance->dbgReportMessage = (PFN_vkDebugReportMessageEXT)
gst_vulkan_instance_get_proc_address (instance,
"vkDebugReportMessageEXT");
if (!instance->dbgReportMessage) {
g_set_error (error, GST_VULKAN_ERROR, VK_ERROR_INITIALIZATION_FAILED,
"Failed to retreive vkDebugReportMessage");
goto error;
}
{
VkDebugReportCallbackCreateInfoEXT info = { 0, };
info.sType = VK_STRUCTURE_TYPE_DEBUG_REPORT_CREATE_INFO_EXT;
info.pNext = NULL;
info.flags =
VK_DEBUG_REPORT_ERROR_BIT_EXT | VK_DEBUG_REPORT_WARNING_BIT_EXT |
VK_DEBUG_REPORT_INFORMATION_BIT_EXT | VK_DEBUG_REPORT_DEBUG_BIT_EXT |
VK_DEBUG_REPORT_PERFORMANCE_WARNING_BIT_EXT;
info.pfnCallback = (PFN_vkDebugReportCallbackEXT) _gst_vk_debug_callback;
info.pUserData = NULL;
err =
instance->dbgCreateDebugReportCallback (instance->instance, &info, NULL,
&instance->msg_callback);
if (gst_vulkan_error_to_g_error (err, error,
"vkCreateDebugReportCallback") < 0)
goto error;
}
instance->priv->opened = TRUE;
GST_OBJECT_UNLOCK (instance);
return TRUE;
error:
{
GST_OBJECT_UNLOCK (instance);
return FALSE;
}
}
gboolean
gst_vulkan_device_open (GstVulkanDevice * device, GError ** error)
{
const char *extension_names[64];
uint32_t enabled_extension_count = 0;
uint32_t device_extension_count = 0;
VkExtensionProperties *device_extensions = NULL;
uint32_t enabled_layer_count = 0;
gchar **enabled_layers;
uint32_t device_layer_count = 0;
VkLayerProperties *device_layers;
gboolean have_swapchain_ext;
VkPhysicalDevice gpu;
VkResult err;
guint i;
g_return_val_if_fail (GST_IS_VULKAN_DEVICE (device), FALSE);
GST_OBJECT_LOCK (device);
if (device->priv->opened) {
GST_OBJECT_UNLOCK (device);
return TRUE;
}
if (!_physical_device_info (device, error))
goto error;
gpu = gst_vulkan_device_get_physical_device (device);
/* Look for validation layers */
err = vkEnumerateDeviceLayerProperties (gpu, &device_layer_count, NULL);
if (gst_vulkan_error_to_g_error (err, error,
"vkEnumerateDeviceLayerProperties") < 0)
goto error;
device_layers = g_new0 (VkLayerProperties, device_layer_count);
err =
vkEnumerateDeviceLayerProperties (gpu, &device_layer_count,
device_layers);
if (gst_vulkan_error_to_g_error (err, error,
"vkEnumerateDeviceLayerProperties") < 0) {
g_free (device_layers);
goto error;
}
_check_for_all_layers (G_N_ELEMENTS (device_validation_layers),
device_validation_layers, device_layer_count, device_layers,
&enabled_layer_count, &enabled_layers);
g_free (device_layers);
device_layers = NULL;
err =
vkEnumerateDeviceExtensionProperties (gpu, NULL,
&device_extension_count, NULL);
if (gst_vulkan_error_to_g_error (err, error,
"vkEnumerateDeviceExtensionProperties") < 0) {
g_strfreev (enabled_layers);
goto error;
}
GST_DEBUG_OBJECT (device, "Found %u extensions", device_extension_count);
have_swapchain_ext = 0;
enabled_extension_count = 0;
memset (extension_names, 0, sizeof (extension_names));
device_extensions = g_new0 (VkExtensionProperties, device_extension_count);
err = vkEnumerateDeviceExtensionProperties (gpu, NULL,
&device_extension_count, device_extensions);
if (gst_vulkan_error_to_g_error (err, error,
"vkEnumerateDeviceExtensionProperties") < 0) {
g_strfreev (enabled_layers);
g_free (device_extensions);
goto error;
}
for (uint32_t i = 0; i < device_extension_count; i++) {
GST_TRACE_OBJECT (device, "checking device extension %s",
device_extensions[i].extensionName);
if (!strcmp (VK_KHR_SWAPCHAIN_EXTENSION_NAME,
device_extensions[i].extensionName)) {
have_swapchain_ext = TRUE;
extension_names[enabled_extension_count++] =
(gchar *) VK_KHR_SWAPCHAIN_EXTENSION_NAME;
}
g_assert (enabled_extension_count < 64);
}
if (!have_swapchain_ext) {
g_set_error_literal (error, GST_VULKAN_ERROR,
VK_ERROR_EXTENSION_NOT_PRESENT,
"Failed to find required extension, \"" VK_KHR_SWAPCHAIN_EXTENSION_NAME
"\"");
g_strfreev (enabled_layers);
goto error;
}
g_free (device_extensions);
vkGetPhysicalDeviceProperties (gpu, &device->gpu_props);
vkGetPhysicalDeviceMemoryProperties (gpu, &device->memory_properties);
vkGetPhysicalDeviceFeatures (gpu, &device->gpu_features);
vkGetPhysicalDeviceQueueFamilyProperties (gpu, &device->n_queue_families,
NULL);
g_assert (device->n_queue_families >= 1);
device->queue_family_props =
g_new0 (VkQueueFamilyProperties, device->n_queue_families);
vkGetPhysicalDeviceQueueFamilyProperties (gpu, &device->n_queue_families,
device->queue_family_props);
/* FIXME: allow overriding/selecting */
for (i = 0; i < device->n_queue_families; i++) {
if (device->queue_family_props[i].queueFlags & VK_QUEUE_GRAPHICS_BIT)
break;
}
if (i >= device->n_queue_families) {
g_set_error (error, GST_VULKAN_ERROR, VK_ERROR_INITIALIZATION_FAILED,
"Failed to find a compatible queue family");
g_strfreev (enabled_layers);
goto error;
}
device->queue_family_id = i;
device->n_queues = 1;
{
VkDeviceQueueCreateInfo queue_info = { 0, };
VkDeviceCreateInfo device_info = { 0, };
gfloat queue_priority = 0.5;
queue_info.sType = VK_STRUCTURE_TYPE_DEVICE_QUEUE_CREATE_INFO;
queue_info.pNext = NULL;
queue_info.queueFamilyIndex = device->queue_family_id;
queue_info.queueCount = device->n_queues;
queue_info.pQueuePriorities = &queue_priority;
device_info.sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO;
device_info.pNext = NULL;
device_info.queueCreateInfoCount = 1;
device_info.pQueueCreateInfos = &queue_info;
device_info.enabledLayerCount = enabled_layer_count;
device_info.ppEnabledLayerNames = (const char *const *) enabled_layers;
device_info.enabledExtensionCount = enabled_extension_count;
device_info.ppEnabledExtensionNames = (const char *const *) extension_names;
device_info.pEnabledFeatures = NULL;
err = vkCreateDevice (gpu, &device_info, NULL, &device->device);
if (gst_vulkan_error_to_g_error (err, error, "vkCreateDevice") < 0) {
g_strfreev (enabled_layers);
goto error;
}
}
g_strfreev (enabled_layers);
{
VkCommandPoolCreateInfo cmd_pool_info = { 0, };
cmd_pool_info.sType = VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO;
cmd_pool_info.pNext = NULL;
cmd_pool_info.queueFamilyIndex = device->queue_family_id;
cmd_pool_info.flags = 0;
err =
vkCreateCommandPool (device->device, &cmd_pool_info, NULL,
&device->cmd_pool);
if (gst_vulkan_error_to_g_error (err, error, "vkCreateCommandPool") < 0)
goto error;
}
GST_OBJECT_UNLOCK (device);
return TRUE;
error:
{
GST_OBJECT_UNLOCK (device);
return FALSE;
}
}
