gstreamer/ext/vulkan/vkdevice.c

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/*
* GStreamer
* Copyright (C) 2015 Matthew Waters <matthew@centricular.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "vkdevice.h"
#include "vkutils_private.h"
#include <string.h>
static const char *device_validation_layers[] = {
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"VK_LAYER_LUNARG_threading",
"VK_LAYER_LUNARG_mem_tracker",
"VK_LAYER_LUNARG_object_tracker",
"VK_LAYER_LUNARG_draw_state",
"VK_LAYER_LUNARG_param_checker",
"VK_LAYER_LUNARG_swapchain",
"VK_LAYER_LUNARG_device_limits",
"VK_LAYER_LUNARG_image",
};
#define GST_CAT_DEFAULT gst_vulkan_device_debug
GST_DEBUG_CATEGORY (GST_CAT_DEFAULT);
GST_DEBUG_CATEGORY_STATIC (GST_CAT_CONTEXT);
#define gst_vulkan_device_parent_class parent_class
G_DEFINE_TYPE_WITH_CODE (GstVulkanDevice, gst_vulkan_device, GST_TYPE_OBJECT,
GST_DEBUG_CATEGORY_INIT (GST_CAT_DEFAULT, "vulkandevice", 0,
"Vulkan Device");
GST_DEBUG_CATEGORY_GET (GST_CAT_CONTEXT, "GST_CONTEXT"));
static void gst_vulkan_device_finalize (GObject * object);
struct _GstVulkanDevicePrivate
{
gboolean opened;
};
GstVulkanDevice *
gst_vulkan_device_new (GstVulkanInstance * instance)
{
GstVulkanDevice *device = g_object_new (GST_TYPE_VULKAN_DEVICE, NULL);
device->instance = gst_object_ref (instance);
/* FIXME: select this externally */
device->device_index = 0;
return device;
}
static void
gst_vulkan_device_init (GstVulkanDevice * device)
{
device->priv = G_TYPE_INSTANCE_GET_PRIVATE ((device),
GST_TYPE_VULKAN_DEVICE, GstVulkanDevicePrivate);
}
static void
gst_vulkan_device_class_init (GstVulkanDeviceClass * device_class)
{
GObjectClass *gobject_class = (GObjectClass *) device_class;
g_type_class_add_private (device_class, sizeof (GstVulkanDevicePrivate));
gobject_class->finalize = gst_vulkan_device_finalize;
}
static void
gst_vulkan_device_finalize (GObject * object)
{
GstVulkanDevice *device = GST_VULKAN_DEVICE (object);
g_free (device->queue_family_props);
device->queue_family_props = NULL;
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if (device->cmd_pool)
vkDestroyCommandPool (device->device, device->cmd_pool, NULL);
device->cmd_pool = VK_NULL_HANDLE;
if (device->device) {
vkDeviceWaitIdle (device->device);
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vkDestroyDevice (device->device, NULL);
}
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device->device = VK_NULL_HANDLE;
if (device->instance)
gst_object_unref (device->instance);
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device->instance = VK_NULL_HANDLE;
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static const gchar *
_device_type_to_string (VkPhysicalDeviceType type)
{
switch (type) {
case VK_PHYSICAL_DEVICE_TYPE_OTHER:
return "other";
case VK_PHYSICAL_DEVICE_TYPE_INTEGRATED_GPU:
return "integrated";
case VK_PHYSICAL_DEVICE_TYPE_DISCRETE_GPU:
return "discrete";
case VK_PHYSICAL_DEVICE_TYPE_VIRTUAL_GPU:
return "virtual";
case VK_PHYSICAL_DEVICE_TYPE_CPU:
return "CPU";
default:
return "unknown";
}
}
static gboolean
_physical_device_info (GstVulkanDevice * device, GError ** error)
{
VkPhysicalDeviceProperties props;
VkPhysicalDevice gpu;
gpu = gst_vulkan_device_get_physical_device (device);
if (!gpu) {
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g_set_error (error, GST_VULKAN_ERROR, VK_ERROR_INITIALIZATION_FAILED,
"Failed to retrieve physical device");
return FALSE;
}
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vkGetPhysicalDeviceProperties (gpu, &props);
GST_INFO_OBJECT (device, "device name %s type %s api version %u, "
"driver version %u vendor ID 0x%x, device ID 0x%x", props.deviceName,
_device_type_to_string (props.deviceType), props.apiVersion,
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props.driverVersion, props.vendorID, props.deviceID);
return TRUE;
}
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;
uint32_t device_layer_count = 0;
VkLayerProperties *device_layers;
gboolean have_swapchain_ext;
gboolean validation_found;
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;
}
validation_found =
_check_for_all_layers (G_N_ELEMENTS (device_validation_layers),
device_validation_layers, device_layer_count, device_layers);
g_free (device_layers);
device_layers = NULL;
if (!validation_found) {
g_error ("vkEnumerateDeviceLayerProperties failed to find"
"a required validation layer.\n\n"
"Please look at the Getting Started guide for additional "
"information.\nvkCreateDevice Failure");
goto error;
}
enabled_layer_count = G_N_ELEMENTS (device_validation_layers);
err =
vkEnumerateDeviceExtensionProperties (gpu, NULL,
&device_extension_count, NULL);
if (gst_vulkan_error_to_g_error (err, error,
"vkEnumerateDeviceExtensionProperties") < 0)
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_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);
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if (!strcmp (VK_KHR_SWAPCHAIN_EXTENSION_NAME,
device_extensions[i].extensionName)) {
have_swapchain_ext = TRUE;
extension_names[enabled_extension_count++] =
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(gchar *) VK_KHR_SWAPCHAIN_EXTENSION_NAME;
}
g_assert (enabled_extension_count < 64);
}
if (!have_swapchain_ext) {
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g_error ("vkEnumerateDeviceExtensionProperties failed to find the \""
VK_KHR_SWAPCHAIN_EXTENSION_NAME
"\" extension.\n\nDo you have a compatible "
"Vulkan installable client driver (ICD) installed?\nPlease "
"look at the Getting Started guide for additional "
"information.\nvkCreateInstance Failure");
}
g_free (device_extensions);
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vkGetPhysicalDeviceProperties (gpu, &device->gpu_props);
vkGetPhysicalDeviceMemoryProperties (gpu, &device->memory_properties);
vkGetPhysicalDeviceFeatures (gpu, &device->gpu_features);
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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);
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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) {
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g_set_error (error, GST_VULKAN_ERROR, VK_ERROR_INITIALIZATION_FAILED,
"Failed to find a compatible queue family");
goto error;
}
device->queue_family_id = i;
device->n_queues = 1;
{
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VkDeviceQueueCreateInfo queue_info = { 0, };
VkDeviceCreateInfo device_info = { 0, };
gfloat queue_priority = 0.5;
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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;
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device_info.sType = VK_STRUCTURE_TYPE_DEVICE_CREATE_INFO;
device_info.pNext = NULL;
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device_info.queueCreateInfoCount = 1;
device_info.pQueueCreateInfos = &queue_info;
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device_info.enabledLayerCount = enabled_layer_count;
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device_info.ppEnabledLayerNames =
(const char *const *) device_validation_layers;
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device_info.enabledExtensionCount = enabled_extension_count;
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device_info.ppEnabledExtensionNames = (const char *const *) extension_names;
device_info.pEnabledFeatures = NULL;
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err = vkCreateDevice (gpu, &device_info, NULL, &device->device);
if (gst_vulkan_error_to_g_error (err, error, "vkCreateDevice") < 0)
goto error;
}
{
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VkCommandPoolCreateInfo cmd_pool_info = { 0, };
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cmd_pool_info.sType = VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO;
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cmd_pool_info.pNext = NULL;
cmd_pool_info.queueFamilyIndex = device->queue_family_id;
cmd_pool_info.flags = 0;
err =
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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;
}
}
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;
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vkGetDeviceQueue (device->device, queue_family, queue_i, &ret->queue);
return ret;
}
void
gst_vulkan_device_foreach_queue (GstVulkanDevice * device,
GstVulkanDeviceForEachQueueFunc func, gpointer user_data)
{
gboolean done = FALSE;
guint i;
for (i = 0; i < device->n_queues; i++) {
GstVulkanQueue *queue =
queue =
gst_vulkan_device_get_queue (device, device->queue_family_id, i);
if (!func (device, queue, user_data))
done = TRUE;
gst_object_unref (queue);
if (done)
break;
}
}
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);
}
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];
}
gboolean
gst_vulkan_device_create_cmd_buffer (GstVulkanDevice * device,
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VkCommandBuffer * cmd, GError ** error)
{
VkResult err;
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VkCommandBufferAllocateInfo cmd_info = { 0, };
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cmd_info.sType = VK_STRUCTURE_TYPE_COMMAND_BUFFER_ALLOCATE_INFO;
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cmd_info.pNext = NULL;
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cmd_info.commandPool = device->cmd_pool;
cmd_info.level = VK_COMMAND_BUFFER_LEVEL_PRIMARY;
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cmd_info.commandBufferCount = 1;
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err = vkAllocateCommandBuffers (device->device, &cmd_info, cmd);
if (gst_vulkan_error_to_g_error (err, error, "vkCreateCommandBuffer") < 0)
return FALSE;
GST_LOG_OBJECT (device, "created cmd buffer %p", cmd);
return TRUE;
}
/**
* gst_context_set_vulkan_device:
* @context: a #GstContext
* @device: a #GstVulkanDevice
*
* Sets @device on @context
*
* Since: 1.10
*/
void
gst_context_set_vulkan_device (GstContext * context, GstVulkanDevice * device)
{
GstStructure *s;
g_return_if_fail (context != NULL);
g_return_if_fail (gst_context_is_writable (context));
if (device)
GST_CAT_LOG (GST_CAT_CONTEXT,
"setting GstVulkanDevice(%" GST_PTR_FORMAT ") on context(%"
GST_PTR_FORMAT ")", device, context);
s = gst_context_writable_structure (context);
gst_structure_set (s, GST_VULKAN_DEVICE_CONTEXT_TYPE_STR,
GST_TYPE_VULKAN_DEVICE, device, NULL);
}
/**
* gst_context_get_vulkan_device:
* @context: a #GstContext
* @device: resulting #GstVulkanDevice
*
* Returns: Whether @device was in @context
*
* Since: 1.10
*/
gboolean
gst_context_get_vulkan_device (GstContext * context, GstVulkanDevice ** device)
{
const GstStructure *s;
gboolean ret;
g_return_val_if_fail (device != NULL, FALSE);
g_return_val_if_fail (context != NULL, FALSE);
s = gst_context_get_structure (context);
ret = gst_structure_get (s, GST_VULKAN_DEVICE_CONTEXT_TYPE_STR,
GST_TYPE_VULKAN_DEVICE, device, NULL);
GST_CAT_LOG (GST_CAT_CONTEXT, "got GstVulkanDevice(%" GST_PTR_FORMAT
") from context(%" GST_PTR_FORMAT ")", *device, context);
return ret;
}
gboolean
gst_vulkan_device_handle_context_query (GstElement * element, GstQuery * query,
GstVulkanDevice ** device)
{
gboolean res = FALSE;
const gchar *context_type;
GstContext *context, *old_context;
g_return_val_if_fail (element != NULL, FALSE);
g_return_val_if_fail (query != NULL, FALSE);
g_return_val_if_fail (GST_QUERY_TYPE (query) == GST_QUERY_CONTEXT, FALSE);
g_return_val_if_fail (device != NULL, FALSE);
gst_query_parse_context_type (query, &context_type);
if (g_strcmp0 (context_type, GST_VULKAN_DEVICE_CONTEXT_TYPE_STR) == 0) {
gst_query_parse_context (query, &old_context);
if (old_context)
context = gst_context_copy (old_context);
else
context = gst_context_new (GST_VULKAN_DEVICE_CONTEXT_TYPE_STR, TRUE);
gst_context_set_vulkan_device (context, *device);
gst_query_set_context (query, context);
gst_context_unref (context);
res = *device != NULL;
}
return res;
}
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;
}