gstreamer/ext/vulkan/vkswapper.h

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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.
*/
#ifndef _VK_SWAPPER_H_
#define _VK_SWAPPER_H_
#include <gst/video/video.h>
#include <vk.h>
G_BEGIN_DECLS
#define GST_TYPE_VULKAN_SWAPPER (gst_vulkan_swapper_get_type())
#define GST_VULKAN_SWAPPER(o) (G_TYPE_CHECK_INSTANCE_CAST((o), GST_TYPE_VULKAN_SWAPPER, GstVulkanSwapper))
#define GST_VULKAN_SWAPPER_CLASS(k) (G_TYPE_CHECK_CLASS_CAST((k), GST_TYPE_VULKAN_SWAPPER, GstVulkanSwapperClass))
#define GST_IS_VULKAN_SWAPPER(o) (G_TYPE_CHECK_INSTANCE_TYPE((o), GST_TYPE_VULKAN_SWAPPER))
#define GST_IS_VULKAN_SWAPPER_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE((k), GST_TYPE_VULKAN_SWAPPER))
#define GST_VULKAN_SWAPPER_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS((o), GST_TYPE_VULKAN_SWAPPER, GstVulkanSwapperClass))
GType gst_vulkan_swapper_get_type (void);
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#define GST_VULKAN_SWAPPER_VIDEO_FORMATS " { RGBA, BGRA, RGB, BGR } "
struct _GstVulkanSwapper
{
GstObject parent;
GstVulkanDevice *device;
GstVulkanWindow *window;
GstVulkanQueue *queue;
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VkSurfaceKHR surface;
VkSurfaceCapabilitiesKHR surf_props;
VkSurfaceFormatKHR *surf_formats;
guint32 n_surf_formats;
VkPresentModeKHR *surf_present_modes;
guint32 n_surf_present_modes;
VkSwapchainKHR swap_chain;
GstVulkanImageMemory **swap_chain_images;
guint32 n_swap_chain_images;
GstCaps *caps;
GstVideoInfo v_info;
PFN_vkGetPhysicalDeviceSurfaceSupportKHR GetPhysicalDeviceSurfaceSupportKHR;
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PFN_vkGetPhysicalDeviceSurfaceCapabilitiesKHR GetPhysicalDeviceSurfaceCapabilitiesKHR;
PFN_vkGetPhysicalDeviceSurfaceFormatsKHR GetPhysicalDeviceSurfaceFormatsKHR;
PFN_vkGetPhysicalDeviceSurfacePresentModesKHR GetPhysicalDeviceSurfacePresentModesKHR;
PFN_vkCreateSwapchainKHR CreateSwapchainKHR;
PFN_vkDestroySwapchainKHR DestroySwapchainKHR;
PFN_vkGetSwapchainImagesKHR GetSwapchainImagesKHR;
PFN_vkAcquireNextImageKHR AcquireNextImageKHR;
PFN_vkQueuePresentKHR QueuePresentKHR;
/* <private> */
/* runtime variables */
gint to_quit;
GstBuffer *current_buffer;
/* signal handlers */
gulong close_id;
gulong draw_id;
GstVulkanSwapperPrivate *priv;
};
struct _GstVulkanSwapperClass
{
GstObjectClass parent_class;
};
GstVulkanSwapper * gst_vulkan_swapper_new (GstVulkanDevice * device,
GstVulkanWindow * window);
GstCaps * gst_vulkan_swapper_get_supported_caps (GstVulkanSwapper * swapper,
GError ** error);
gboolean gst_vulkan_swapper_set_caps (GstVulkanSwapper * swapper,
GstCaps * caps,
GError ** error);
gboolean gst_vulkan_swapper_render_buffer (GstVulkanSwapper * swapper,
GstBuffer * buffer,
GError ** error);
G_END_DECLS
#endif /* _VK_INSTANCE_H_ */