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vkinstance: add gst_vulkan_instance_create_device_with_index

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This method will allow to create a device with its device_index
preparing the support of multiple device.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/7843>
This commit is contained in:
Stéphane Cerveau 2024-11-08 10:21:19 +01:00 committed by GStreamer Marge Bot
parent 46f4dbe57b
commit 9a771b6909
3 changed files with 67 additions and 21 deletions
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25
girs/GstVulkan-1.0.gir
View file

@ -4150,6 +4150,23 @@ If a specific version is requested, the @patch level is ignored.</doc>
</instance-parameter>
</parameters>
</method>
<method name="create_device_with_index" c:identifier="gst_vulkan_instance_create_device_with_index" version="1.26" throws="1">
<source-position filename="../subprojects/gst-plugins-bad/gst-libs/gst/vulkan/gstvkinstance.h"/>
<return-value transfer-ownership="full">
<doc xml:space="preserve" filename="../subprojects/gst-plugins-bad/gst-libs/gst/vulkan/gstvkinstance.c">a new #GstVulkanDevice</doc>
<type name="VulkanDevice" c:type="GstVulkanDevice*"/>
</return-value>
<parameters>
<instance-parameter name="instance" transfer-ownership="none">
<doc xml:space="preserve" filename="../subprojects/gst-plugins-bad/gst-libs/gst/vulkan/gstvkinstance.c">a #GstVulkanInstance</doc>
<type name="VulkanInstance" c:type="GstVulkanInstance*"/>
</instance-parameter>
<parameter name="device_index" transfer-ownership="none">
<doc xml:space="preserve" filename="../subprojects/gst-plugins-bad/gst-libs/gst/vulkan/gstvkinstance.c">the device index to create the new #GstVulkanDevice from</doc>
<type name="guint" c:type="guint"/>
</parameter>
</parameters>
</method>
<method name="disable_extension" c:identifier="gst_vulkan_instance_disable_extension" version="1.18">
<doc xml:space="preserve" filename="../subprojects/gst-plugins-bad/gst-libs/gst/vulkan/gstvkinstance.c">Disable an Vulkan extension by @name. Disabling an extension will only have
an effect before the call to gst_vulkan_instance_open().</doc>
@ -4404,13 +4421,19 @@ version with this function.</doc>
<type name="gpointer" c:type="gpointer"/>
</array>
</field>
<glib:signal name="create-device" when="last" version="1.18">
<glib:signal name="create-device" when="last" version="1.26">
<doc xml:space="preserve" filename="../subprojects/gst-plugins-bad/gst-libs/gst/vulkan/gstvkinstance.c">Overrides the #GstVulkanDevice creation mechanism.
It can be called from any thread.</doc>
<return-value transfer-ownership="full">
<doc xml:space="preserve" filename="../subprojects/gst-plugins-bad/gst-libs/gst/vulkan/gstvkinstance.c">the newly created #GstVulkanDevice.</doc>
<type name="VulkanDevice"/>
</return-value>
<parameters>
<parameter name="device_index" transfer-ownership="none">
<doc xml:space="preserve" filename="../subprojects/gst-plugins-bad/gst-libs/gst/vulkan/gstvkinstance.c">the index of the device</doc>
<type name="guint" c:type="guint"/>
</parameter>
</parameters>
</glib:signal>
</class>
<record name="VulkanInstanceClass" c:type="GstVulkanInstanceClass" glib:is-gtype-struct-for="VulkanInstance" version="1.18">

59
subprojects/gst-plugins-bad/gst-libs/gst/vulkan/gstvkinstance.c
View file

@ -253,18 +253,20 @@ gst_vulkan_instance_class_init (GstVulkanInstanceClass * klass)
/**
* GstVulkanInstance::create-device:
* @object: the #GstVulkanDisplay
* @device: the #GstVulkanDevice
* @device_index: the index of the device
*
* Overrides the #GstVulkanDevice creation mechanism.
* It can be called from any thread.
*
* Returns: (transfer full): the newly created #GstVulkanDevice.
*
* Since: 1.18
* Since: 1.26
*/
gst_vulkan_instance_signals[SIGNAL_CREATE_DEVICE] =
g_signal_new ("create-device", G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_LAST, 0, NULL, NULL, NULL, GST_TYPE_VULKAN_DEVICE, 0);
G_SIGNAL_RUN_LAST, 0, NULL, NULL, NULL, GST_TYPE_VULKAN_DEVICE, 1,
G_TYPE_UINT);
}
static void
@ -1102,6 +1104,39 @@ gst_vulkan_instance_get_proc_address (GstVulkanInstance * instance,
return ret;
}
/**
* gst_vulkan_instance_create_device_with_index:
* @instance: a #GstVulkanInstance
* @device_index: the device index to create the new #GstVulkanDevice from
* @error: (out) (optional): a #GError
*
* Returns: (transfer full): a new #GstVulkanDevice
*
* Since: 1.26
*/
GstVulkanDevice *
gst_vulkan_instance_create_device_with_index (GstVulkanInstance * instance,
guint device_index, GError ** error)
{
GstVulkanDevice *device;
g_return_val_if_fail (GST_IS_VULKAN_INSTANCE (instance), NULL);
g_signal_emit (instance, gst_vulkan_instance_signals[SIGNAL_CREATE_DEVICE], 0,
device_index, &device);
if (!device) {
device = gst_vulkan_device_new_with_index (instance, device_index);
}
if (!gst_vulkan_device_open (device, error)) {
gst_object_unref (device);
device = NULL;
}
return device;
}
/**
* gst_vulkan_instance_create_device:
* @instance: a #GstVulkanInstance
@ -1115,23 +1150,7 @@ GstVulkanDevice *
gst_vulkan_instance_create_device (GstVulkanInstance * instance,
GError ** error)
{
GstVulkanDevice *device;
g_return_val_if_fail (GST_IS_VULKAN_INSTANCE (instance), NULL);
g_signal_emit (instance, gst_vulkan_instance_signals[SIGNAL_CREATE_DEVICE], 0,
&device);
if (!device) {
device = gst_vulkan_device_new_with_index (instance, 0);
}
if (!gst_vulkan_device_open (device, error)) {
gst_object_unref (device);
device = NULL;
}
return device;
return gst_vulkan_instance_create_device_with_index (instance, 0, error);
}
/**

4
subprojects/gst-plugins-bad/gst-libs/gst/vulkan/gstvkinstance.h
View file

@ -94,6 +94,10 @@ gpointer gst_vulkan_instance_get_proc_address (GstVulkanInstan
GST_VULKAN_API
GstVulkanDevice * gst_vulkan_instance_create_device (GstVulkanInstance * instance,
GError ** error);
GST_VULKAN_API
GstVulkanDevice * gst_vulkan_instance_create_device_with_index(GstVulkanInstance * instance,
guint device_index,
GError ** error);
GST_VULKAN_API
void gst_context_set_vulkan_instance (GstContext * context,