gboolean
gst_vulkan_device_run_context_query (GstElement * element,
GstVulkanDevice ** device)
{
GstQuery *query;
g_return_val_if_fail (GST_IS_ELEMENT (element), FALSE);
g_return_val_if_fail (device != NULL, FALSE);
if (*device && GST_IS_VULKAN_DEVICE (*device))
return TRUE;
if ((query =
gst_vulkan_local_context_query (element,
GST_VULKAN_DEVICE_CONTEXT_TYPE_STR, FALSE))) {
GstContext *context;
gst_query_parse_context (query, &context);
if (context)
gst_context_get_vulkan_device (context, device);
}
GST_DEBUG_OBJECT (element, "found device %p", *device);
gst_query_unref (query);
if (*device)
return TRUE;
return FALSE;
}
GstVulkanInstance *
gst_vulkan_device_get_instance (GstVulkanDevice * device)
{
g_return_val_if_fail (GST_IS_VULKAN_DEVICE (device), NULL);
return device->instance ? gst_object_ref (device->instance) : NULL;
}
VkPhysicalDevice
gst_vulkan_device_get_physical_device (GstVulkanDevice * device)
{
g_return_val_if_fail (GST_IS_VULKAN_DEVICE (device), NULL);
if (device->instance->physical_devices == NULL)
return NULL;
if (device->device_index >= device->instance->n_physical_devices)
return NULL;
return device->instance->physical_devices[device->device_index];
}
gpointer
gst_vulkan_device_get_proc_address (GstVulkanDevice * device,
const gchar * name)
{
g_return_val_if_fail (GST_IS_VULKAN_DEVICE (device), NULL);
g_return_val_if_fail (device->device != NULL, NULL);
g_return_val_if_fail (name != NULL, NULL);
GST_TRACE_OBJECT (device, "%s", name);
return vkGetDeviceProcAddr (device->device, name);
}
GstVulkanTrash *
gst_vulkan_trash_new (GstVulkanFence * fence, GstVulkanTrashNotify notify,
gpointer user_data)
{
GstVulkanTrash *ret = NULL;
g_return_val_if_fail (fence != NULL, NULL);
g_return_val_if_fail (GST_IS_VULKAN_DEVICE (fence->device), NULL);
g_return_val_if_fail (notify != NULL, NULL);
_init_debug ();
ret = g_new0 (GstVulkanTrash, 1);
GST_TRACE ("Creating new trash object %p with fence %" GST_PTR_FORMAT
" on device %" GST_PTR_FORMAT, ret, fence, fence->device);
ret->fence = fence;
ret->notify = notify;
ret->user_data = user_data;
return ret;
}
GstVulkanQueue *
gst_vulkan_device_get_queue (GstVulkanDevice * device, guint32 queue_family,
guint32 queue_i)
{
GstVulkanQueue *ret;
g_return_val_if_fail (GST_IS_VULKAN_DEVICE (device), NULL);
g_return_val_if_fail (device->device != NULL, NULL);
g_return_val_if_fail (queue_family < device->n_queues, NULL);
g_return_val_if_fail (queue_i <
device->queue_family_props[queue_family].queueCount, NULL);
ret = g_object_new (GST_TYPE_VULKAN_QUEUE, NULL);
ret->device = gst_object_ref (device);
ret->family = queue_family;
ret->index = queue_i;
vkGetDeviceQueue (device->device, queue_family, queue_i, &ret->queue);
return ret;
}
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;
}
}