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217 lines
7 KiB
C
217 lines
7 KiB
C
/*
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* GStreamer
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* Copyright (C) 2019 Matthew Waters <matthew@centricular.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __GST_VULKAN_HANDLE_H__
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#define __GST_VULKAN_HANDLE_H__
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#include <gst/gst.h>
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#include <gst/vulkan/vulkan_fwd.h>
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#include <gst/vulkan/gstvkapi.h>
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G_BEGIN_DECLS
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/**
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* gst_vulkan_handle_get_type:
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*
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* Since: 1.18
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*/
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GST_VULKAN_API
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GType gst_vulkan_handle_get_type (void);
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/**
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* GST_TYPE_VULKAN_HANDLE:
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*
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* Since: 1.18
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*/
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#define GST_TYPE_VULKAN_HANDLE (gst_vulkan_handle_get_type ())
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/**
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* GstVulkanHandleTypedef:
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*
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* Since: 1.18
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*/
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VK_DEFINE_NON_DISPATCHABLE_HANDLE(GstVulkanHandleTypedef)
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/**
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* GST_VULKAN_NON_DISPATCHABLE_HANDLE_FORMAT:
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*
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* The printf format specifier for raw Vulkan non dispatchable handles.
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*
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* When redefining VK_DEFINE_NON_DISPATCHABLE_HANDLE, also make sure
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* to redefine a suitable printf format specifier.
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*
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* Since: 1.18
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*/
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#if !defined(GST_VULKAN_NON_DISPATCHABLE_HANDLE_FORMAT)
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# define GST_VULKAN_NON_DISPATCHABLE_HANDLE_FORMAT G_GUINT64_FORMAT
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#endif
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/**
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* GstVulkanHandleDestroyNotify:
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* @handle: the #GstVulkanHandle
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* @user_data: callback user data
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*
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* Function definition called when the #GstVulkanHandle is no longer in use.
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* All implementations of this callback must free the internal handle stored
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* inside @handle.
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*
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* Since: 1.18
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*/
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typedef void (*GstVulkanHandleDestroyNotify) (GstVulkanHandle * handle, gpointer user_data);
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/**
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* GstVulkanHandleType:
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* @GST_VULKAN_HANDLE_TYPE_DESCRIPTOR_SET_LAYOUT: descripter set layout
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* @GST_VULKAN_HANDLE_TYPE_PIPELINE_LAYOUT: pipeline layout
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* @GST_VULKAN_HANDLE_TYPE_PIPELINE: pipeline
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* @GST_VULKAN_HANDLE_TYPE_RENDER_PASS: render pass
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* @GST_VULKAN_HANDLE_TYPE_SAMPLER: sampler
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* @GST_VULKAN_HANDLE_TYPE_FRAMEBUFFER: framebuffer
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* @GST_VULKAN_HANDLE_TYPE_SHADER: shader
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*
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* Since: 1.18
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*/
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typedef enum
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{
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GST_VULKAN_HANDLE_TYPE_DESCRIPTOR_SET_LAYOUT = 1,
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GST_VULKAN_HANDLE_TYPE_PIPELINE_LAYOUT = 2,
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GST_VULKAN_HANDLE_TYPE_PIPELINE = 3,
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GST_VULKAN_HANDLE_TYPE_RENDER_PASS = 4,
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GST_VULKAN_HANDLE_TYPE_SAMPLER = 5,
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GST_VULKAN_HANDLE_TYPE_FRAMEBUFFER = 6,
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GST_VULKAN_HANDLE_TYPE_SHADER = 7,
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} GstVulkanHandleType;
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/**
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* GstVulkanHandle:
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* @parent: the parent #GstMiniObject
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* @device: the #GstVulkanDevice for this handle
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* @type: the type of handle
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* @handle: the handle value
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*
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* Holds information about a vulkan non dispatchable handle that only has
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* a vulkan device as a parent and no specific host synchronisation
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* requirements. Command buffers have extra requirements that are serviced by
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* more specific implementations (#GstVulkanCommandBuffer, #GstVulkanCommandPool).
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*
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* Since: 1.18
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*/
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struct _GstVulkanHandle
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{
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GstMiniObject parent;
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GstVulkanDevice *device;
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GstVulkanHandleType type;
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GstVulkanHandleTypedef handle;
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/* <protected> */
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GstVulkanHandleDestroyNotify notify;
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gpointer user_data;
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/* <private> */
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gpointer _reserved [GST_PADDING];
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};
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/**
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* gst_vulkan_handle_ref: (skip)
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* @handle: a #GstVulkanHandle.
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*
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* Increases the refcount of the given handle by one.
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*
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* Returns: (transfer full): @buf
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*
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* Since: 1.18
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*/
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static inline GstVulkanHandle* gst_vulkan_handle_ref(GstVulkanHandle* handle);
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static inline GstVulkanHandle *
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gst_vulkan_handle_ref (GstVulkanHandle * handle)
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{
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return (GstVulkanHandle *) gst_mini_object_ref (GST_MINI_OBJECT_CAST (handle));
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}
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/**
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* gst_vulkan_handle_unref: (skip)
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* @handle: (transfer full): a #GstVulkanHandle.
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*
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* Decreases the refcount of the buffer. If the refcount reaches 0, the buffer
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* will be freed.
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*
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* Since: 1.18
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*/
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static inline void gst_vulkan_handle_unref(GstVulkanHandle* handle);
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static inline void
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gst_vulkan_handle_unref (GstVulkanHandle * handle)
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{
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gst_mini_object_unref (GST_MINI_OBJECT_CAST (handle));
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}
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/**
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* gst_clear_vulkan_handle: (skip)
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* @handle_ptr: a pointer to a #GstVulkanHandle reference
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*
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* Clears a reference to a #GstVulkanHandle.
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*
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* @handle_ptr must not be %NULL.
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*
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* If the reference is %NULL then this function does nothing. Otherwise, the
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* reference count of the handle is decreased and the pointer is set to %NULL.
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*
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* Since: 1.18
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*/
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static inline void
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gst_clear_vulkan_handle (GstVulkanHandle ** handle_ptr)
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{
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gst_clear_mini_object ((GstMiniObject **) handle_ptr);
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}
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GST_VULKAN_API
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GstVulkanHandle * gst_vulkan_handle_new_wrapped (GstVulkanDevice *device,
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GstVulkanHandleType type,
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GstVulkanHandleTypedef handle,
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GstVulkanHandleDestroyNotify notify,
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gpointer user_data);
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GST_VULKAN_API
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void gst_vulkan_handle_free_descriptor_set_layout (GstVulkanHandle * handle,
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gpointer user_data);
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GST_VULKAN_API
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void gst_vulkan_handle_free_pipeline_layout (GstVulkanHandle * handle,
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gpointer user_data);
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GST_VULKAN_API
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void gst_vulkan_handle_free_pipeline (GstVulkanHandle * handle,
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gpointer user_data);
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GST_VULKAN_API
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void gst_vulkan_handle_free_render_pass (GstVulkanHandle * handle,
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gpointer user_data);
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GST_VULKAN_API
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void gst_vulkan_handle_free_sampler (GstVulkanHandle * handle,
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gpointer user_data);
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GST_VULKAN_API
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void gst_vulkan_handle_free_framebuffer (GstVulkanHandle * handle,
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gpointer user_data);
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GST_VULKAN_API
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void gst_vulkan_handle_free_shader (GstVulkanHandle * handle,
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gpointer user_data);
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G_END_DECLS
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#endif /* _GST_VULKAN_HANDLE_H_ */
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