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 28 G_BEGIN_DECLS 29 30 #define GST_TYPE_VULKAN_SWAPPER (gst_vulkan_swapper_get_type()) 31 #define GST_VULKAN_SWAPPER(o) (G_TYPE_CHECK_INSTANCE_CAST((o), GST_TYPE_VULKAN_SWAPPER, GstVulkanSwapper)) 32 #define GST_VULKAN_SWAPPER_CLASS(k) (G_TYPE_CHECK_CLASS_CAST((k), GST_TYPE_VULKAN_SWAPPER, GstVulkanSwapperClass)) 33 #define GST_IS_VULKAN_SWAPPER(o) (G_TYPE_CHECK_INSTANCE_TYPE((o), GST_TYPE_VULKAN_SWAPPER)) 34 #define GST_IS_VULKAN_SWAPPER_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE((k), GST_TYPE_VULKAN_SWAPPER)) 35 #define GST_VULKAN_SWAPPER_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS((o), GST_TYPE_VULKAN_SWAPPER, GstVulkanSwapperClass)) 36 GType gst_vulkan_swapper_get_type (void); 37 38 #define GST_VULKAN_SWAPPER_VIDEO_FORMATS " { RGBA, BGRA, RGB, BGR } " 39 40 struct _GstVulkanSwapper 41 { 42 GstObject parent; 43 44 GstVulkanDevice *device; 45 GstVulkanWindow *window; 46 GstVulkanQueue *queue; 47 48 VkSurfaceKHR surface; 49 50 VkSurfaceCapabilitiesKHR surf_props; 51 VkSurfaceFormatKHR *surf_formats; 52 guint32 n_surf_formats; 53 VkPresentModeKHR *surf_present_modes; 54 guint32 n_surf_present_modes; 55 56 VkSwapchainKHR swap_chain; 57 GstVulkanImageMemory **swap_chain_images; 58 guint32 n_swap_chain_images; 59 60 GstCaps *caps; 61 GstVideoInfo v_info; 62 63 PFN_vkGetPhysicalDeviceSurfaceSupportKHR GetPhysicalDeviceSurfaceSupportKHR; 64 PFN_vkGetPhysicalDeviceSurfaceCapabilitiesKHR GetPhysicalDeviceSurfaceCapabilitiesKHR; 65 PFN_vkGetPhysicalDeviceSurfaceFormatsKHR GetPhysicalDeviceSurfaceFormatsKHR; 66 PFN_vkGetPhysicalDeviceSurfacePresentModesKHR GetPhysicalDeviceSurfacePresentModesKHR; 67 PFN_vkCreateSwapchainKHR CreateSwapchainKHR; 68 PFN_vkDestroySwapchainKHR DestroySwapchainKHR; 69 PFN_vkGetSwapchainImagesKHR GetSwapchainImagesKHR; 70 PFN_vkAcquireNextImageKHR AcquireNextImageKHR; 71 PFN_vkQueuePresentKHR QueuePresentKHR; 72 73 /* <private> */ 74 /* runtime variables */ 75 gint to_quit; 76 GstBuffer *current_buffer; 77 78 /* signal handlers */ 79 gulong close_id; 80 gulong draw_id; 81 82 GstVulkanSwapperPrivate *priv; 83 }; 84 85 struct _GstVulkanSwapperClass 86 { 87 GstObjectClass parent_class; 88 }; 89 90 GstVulkanSwapper * gst_vulkan_swapper_new (GstVulkanDevice * device, 91 GstVulkanWindow * window); 92 93 GstCaps * gst_vulkan_swapper_get_supported_caps (GstVulkanSwapper * swapper, 94 GError ** error); 95 gboolean gst_vulkan_swapper_set_caps (GstVulkanSwapper * swapper, 96 GstCaps * caps, 97 GError ** error); 98 gboolean gst_vulkan_swapper_render_buffer (GstVulkanSwapper * swapper, 99 GstBuffer * buffer, 100 GError ** error); 101 102 G_END_DECLS 103 104 #endif /* _VK_INSTANCE_H_ */ 105