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 __GST_VULKAN_BASE_BUFFER_H__ 22 #define __GST_VULKAN_BASE_BUFFER_H__ 23 24 #include <gst/gst.h> 25 #include <gst/gstallocator.h> 26 #include <gst/gstmemory.h> 27 28 #include <gst/vulkan/vulkan.h> 29 30 G_BEGIN_DECLS 31 32 #define GST_TYPE_VULKAN_MEMORY_ALLOCATOR (gst_vulkan_memory_allocator_get_type()) 33 GST_VULKAN_API 34 GType gst_vulkan_memory_allocator_get_type(void); 35 36 #define GST_IS_VULKAN_MEMORY_ALLOCATOR(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_VULKAN_MEMORY_ALLOCATOR)) 37 #define GST_IS_VULKAN_MEMORY_ALLOCATOR_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_VULKAN_MEMORY_ALLOCATOR)) 38 #define GST_VULKAN_MEMORY_ALLOCATOR_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_VULKAN_MEMORY_ALLOCATOR, GstVulkanMemoryAllocatorClass)) 39 #define GST_VULKAN_MEMORY_ALLOCATOR(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_VULKAN_MEMORY_ALLOCATOR, GstVulkanMemoryAllocator)) 40 #define GST_VULKAN_MEMORY_ALLOCATOR_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_VULKAN_MEMORY_ALLOCATOR, GstVulkanMemoryAllocatorClass)) 41 /** 42 * GST_VULKAN_MEMORY_ALLOCATOR_CAST: 43 * 44 * Since: 1.18 45 */ 46 #define GST_VULKAN_MEMORY_ALLOCATOR_CAST(obj) ((GstVulkanMemoryAllocator *)(obj)) 47 48 /** 49 * GST_VULKAN_MEMORY_ALLOCATOR_NAME: 50 * 51 * Since: 1.18 52 */ 53 #define GST_VULKAN_MEMORY_ALLOCATOR_NAME "Vulkan" 54 55 /** 56 * GstVulkanMemory 57 * @mem: the parent #GstMemory 58 * @device: the #GstVulkanDevice this memory is allocated from 59 * @mem_ptr: the vulkan memory handle 60 * @lock: lock for accessing/changing memory informat 61 * @map_count: number of times this memory is mapped 62 * 63 * Since: 1.18 64 */ 65 struct _GstVulkanMemory 66 { 67 GstMemory mem; 68 69 GstVulkanDevice *device; 70 71 VkDeviceMemory mem_ptr; 72 73 /* <protected> */ 74 GMutex lock; 75 guint map_count; 76 77 /* <private> */ 78 GDestroyNotify notify; 79 gpointer user_data; 80 81 VkMemoryAllocateInfo alloc_info; 82 VkMemoryPropertyFlags properties; 83 84 /* we need our own offset because GstMemory's is used to offset into the 85 * mapped pointer which when suballocating, we need to avoid. This in 86 * relation to the root memory */ 87 guint64 vk_offset; 88 gboolean wrapped; 89 90 /* <private> */ 91 gpointer _reserved [GST_PADDING]; 92 }; 93 94 /** 95 * GstVulkanMemoryAllocator 96 * @parent: the parent #GstAllocator 97 * 98 * Opaque #GstVulkanMemoryAllocator struct 99 * 100 * Since: 1.18 101 */ 102 struct _GstVulkanMemoryAllocator 103 { 104 GstAllocator parent; 105 106 /* <private> */ 107 gpointer _reserved [GST_PADDING]; 108 }; 109 110 /** 111 * GstVulkanMemoryAllocatorClass: 112 * @parent_class: the parent #GstAllocatorClass 113 * 114 * The #GstVulkanMemoryAllocatorClass only contains private data 115 * 116 * Since: 1.18 117 */ 118 struct _GstVulkanMemoryAllocatorClass 119 { 120 GstAllocatorClass parent_class; 121 122 /* <private> */ 123 gpointer _reserved [GST_PADDING]; 124 }; 125 126 GST_VULKAN_API 127 void gst_vulkan_memory_init_once (void); 128 GST_VULKAN_API 129 gboolean gst_is_vulkan_memory (GstMemory * mem); 130 131 GST_VULKAN_API 132 GstMemory * gst_vulkan_memory_alloc (GstVulkanDevice * device, 133 guint32 memory_type_index, 134 GstAllocationParams * params, 135 gsize size, 136 VkMemoryPropertyFlags mem_prop_flags); 137 138 GST_VULKAN_API 139 gboolean gst_vulkan_memory_find_memory_type_index_with_type_properties (GstVulkanDevice * device, 140 guint32 type_bits, 141 VkMemoryPropertyFlags properties, 142 guint32 * type_index); 143 144 G_END_DECLS 145 146 #endif /* _GST_VULKAN_BASE_BUFFER_H_ */ 147