ext/vulkan/vkswapper.h

   1 /*
   2  * GStreamer
   3  * Copyright (C) 2015 Matthew Waters <matthew@centricular.com>
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Library General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Library General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Library General Public
  16  * License along with this library; if not, write to the
  17  * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
  18  * Boston, MA 02110-1301, USA.
  19  */
  20
  21 #ifndef _VK_SWAPPER_H_
  22 #define _VK_SWAPPER_H_
  23
  24 #include <gst/video/video.h>
  25
  26 #include <vk.h>
  27 #include <vulkan/vk_ext_khr_swapchain.h>
  28 #include <vulkan/vk_ext_khr_device_swapchain.h>
  29
  30 G_BEGIN_DECLS
  31
  32 #define GST_TYPE_VULKAN_SWAPPER         (gst_vulkan_swapper_get_type())
  33 #define GST_VULKAN_SWAPPER(o)           (G_TYPE_CHECK_INSTANCE_CAST((o), GST_TYPE_VULKAN_SWAPPER, GstVulkanSwapper))
  34 #define GST_VULKAN_SWAPPER_CLASS(k)     (G_TYPE_CHECK_CLASS_CAST((k), GST_TYPE_VULKAN_SWAPPER, GstVulkanSwapperClass))
  35 #define GST_IS_VULKAN_SWAPPER(o)        (G_TYPE_CHECK_INSTANCE_TYPE((o), GST_TYPE_VULKAN_SWAPPER))
  36 #define GST_IS_VULKAN_SWAPPER_CLASS(k)  (G_TYPE_CHECK_CLASS_TYPE((k), GST_TYPE_VULKAN_SWAPPER))
  37 #define GST_VULKAN_SWAPPER_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS((o), GST_TYPE_VULKAN_SWAPPER, GstVulkanSwapperClass))
  38 GType gst_vulkan_swapper_get_type       (void);
  39
  40 struct _GstVulkanSwapper
  41 {
  42   GstObject parent;
  43
  44   GstVulkanDevice *device;
  45   GstVulkanWindow *window;
  46   GstVulkanQueue *queue;
  47
  48   VkSurfacePropertiesKHR surf_props;
  49   VkSurfaceFormatKHR *surf_formats;
  50   guint32 n_surf_formats;
  51   VkPresentModeKHR *surf_present_modes;
  52   guint32 n_surf_present_modes;
  53
  54   VkSwapchainKHR swap_chain;
  55   GstVulkanImageMemory **swap_chain_images;
  56   guint32 n_swap_chain_images;
  57
  58   GstCaps *caps;
  59   GstVideoInfo v_info;
  60
  61   PFN_vkGetPhysicalDeviceSurfaceSupportKHR GetPhysicalDeviceSurfaceSupportKHR;
  62   PFN_vkGetSurfacePropertiesKHR GetSurfacePropertiesKHR;
  63   PFN_vkGetSurfaceFormatsKHR GetSurfaceFormatsKHR;
  64   PFN_vkGetSurfacePresentModesKHR GetSurfacePresentModesKHR;
  65   PFN_vkCreateSwapchainKHR CreateSwapchainKHR;
  66   PFN_vkDestroySwapchainKHR DestroySwapchainKHR;
  67   PFN_vkGetSwapchainImagesKHR GetSwapchainImagesKHR;
  68   PFN_vkAcquireNextImageKHR AcquireNextImageKHR;
  69   PFN_vkQueuePresentKHR QueuePresentKHR;
  70 };
  71
  72 struct _GstVulkanSwapperClass
  73 {
  74   GstObjectClass parent_class;
  75 };
  76
  77 GstVulkanSwapper *  gst_vulkan_swapper_new                      (GstVulkanDevice * device,
  78                                                                  GstVulkanWindow * window);
  79
  80 GstCaps *           gst_vulkan_swapper_get_supported_caps       (GstVulkanSwapper * swapper,
  81                                                                  GError ** error);
  82 gboolean            gst_vulkan_swapper_set_caps                 (GstVulkanSwapper * swapper,
  83                                                                  GstCaps * caps,
  84                                                                  GError ** error);
  85 gboolean            gst_vulkan_swapper_render_buffer            (GstVulkanSwapper * swapper,
  86                                                                  GstBuffer * buffer,
  87                                                                  GError ** error);
  88
  89 G_END_DECLS
  90
  91 #endif /* _VK_INSTANCE_H_ */