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_GL_RENDERBUFFER_H_ 22 #define _GST_GL_RENDERBUFFER_H_ 23 24 #include <gst/gl/gstglbasememory.h> 25 26 G_BEGIN_DECLS 27 28 #define GST_TYPE_GL_RENDERBUFFER_ALLOCATOR (gst_gl_renderbuffer_allocator_get_type()) 29 GST_GL_API GType gst_gl_renderbuffer_allocator_get_type(void); 30 31 #define GST_IS_GL_RENDERBUFFER_ALLOCATOR(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_GL_RENDERBUFFER_ALLOCATOR)) 32 #define GST_IS_GL_RENDERBUFFER_ALLOCATOR_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_GL_RENDERBUFFER_ALLOCATOR)) 33 #define GST_GL_RENDERBUFFER_ALLOCATOR_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_GL_RENDERBUFFER_ALLOCATOR, GstGLRenderbufferAllocatorClass)) 34 #define GST_GL_RENDERBUFFER_ALLOCATOR(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_GL_RENDERBUFFER_ALLOCATOR, GstGLRenderbufferAllocator)) 35 #define GST_GL_RENDERBUFFER_ALLOCATOR_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_GL_RENDERBUFFER_ALLOCATOR, GstGLRenderbufferAllocatorClass)) 36 #define GST_GL_RENDERBUFFER_ALLOCATOR_CAST(obj) ((GstGLRenderbufferAllocator *)(obj)) 37 38 #define GST_GL_RENDERBUFFER_CAST(obj) ((GstGLRenderbuffer *) obj) 39 40 /** 41 * GST_GL_RENDERBUFFER_ALLOCATOR_NAME: 42 * 43 * The name of the GL renderbuffer allocator 44 */ 45 #define GST_GL_RENDERBUFFER_ALLOCATOR_NAME "GLRenderbuffer" 46 47 /** 48 * GstGLRenderbuffer: 49 * @renderbuffer_id: the GL texture id for this memory 50 * @renderbuffer_format: the texture type 51 * @width: the width 52 * @height: the height 53 * 54 * Represents information about a GL renderbuffer 55 */ 56 struct _GstGLRenderbuffer 57 { 58 /*< private >*/ 59 GstGLBaseMemory mem; 60 61 /*< public >*/ 62 guint renderbuffer_id; 63 GstGLFormat renderbuffer_format; 64 guint width; 65 guint height; 66 67 /*< protected >*/ 68 gboolean renderbuffer_wrapped; 69 70 /*< private >*/ 71 gpointer _padding[GST_PADDING]; 72 }; 73 74 /** 75 * GstGLRenderbufferAllocator: 76 * 77 * Opaque #GstGLRenderbufferAllocator struct 78 */ 79 struct _GstGLRenderbufferAllocator 80 { 81 GstGLBaseMemoryAllocator parent; 82 83 /*< private >*/ 84 gpointer _padding[GST_PADDING]; 85 }; 86 87 /** 88 * GstGLRenderbufferAllocatorClass: 89 * 90 * The #GstGLRenderbufferAllocatorClass only contains private data 91 */ 92 struct _GstGLRenderbufferAllocatorClass 93 { 94 GstGLBaseMemoryAllocatorClass parent_class; 95 96 /*< private >*/ 97 gpointer _padding[GST_PADDING]; 98 }; 99 100 #include <gst/gl/gstglbasememory.h> 101 102 typedef struct _GstGLRenderbufferAllocationParams GstGLRenderbufferAllocationParams; 103 104 GST_GL_API GType gst_gl_renderbuffer_allocation_params_get_type (void); 105 #define GST_TYPE_RENDERBUFFER_ALLOCATION_PARAMS (gst_gl_renderbuffer_allocation_params_get_type) 106 107 /** 108 * GstGLRenderbufferAllocationParams: 109 * @renderbuffer_format: the #GstGLFormat 110 * @width: the width 111 * @height: the height 112 * 113 * Allocation parameters 114 */ 115 struct _GstGLRenderbufferAllocationParams 116 { 117 /*< private >*/ 118 GstGLAllocationParams parent; 119 120 /*< public >*/ 121 GstGLFormat renderbuffer_format; 122 guint width; 123 guint height; 124 125 /*< private >*/ 126 gpointer _padding[GST_PADDING]; 127 }; 128 129 GST_GL_API 130 GstGLRenderbufferAllocationParams * gst_gl_renderbuffer_allocation_params_new (GstGLContext * context, 131 const GstAllocationParams * alloc_params, 132 GstGLFormat renderbuffer_format, 133 guint width, 134 guint height); 135 136 GST_GL_API 137 GstGLRenderbufferAllocationParams * gst_gl_renderbuffer_allocation_params_new_wrapped (GstGLContext * context, 138 const GstAllocationParams * alloc_params, 139 GstGLFormat renderbuffer_format, 140 guint width, 141 guint height, 142 gpointer gl_handle, 143 gpointer user_data, 144 GDestroyNotify notify); 145 146 /** 147 * GST_TYPE_GL_RENDERBUFFER: 148 * 149 * Since: 1.20 150 */ 151 #define GST_TYPE_GL_RENDERBUFFER (gst_gl_renderbuffer_get_type()) 152 GST_GL_API 153 GType gst_gl_renderbuffer_get_type(void); 154 155 GST_GL_API 156 void gst_gl_renderbuffer_init_once (void); 157 158 GST_GL_API 159 gboolean gst_is_gl_renderbuffer (GstMemory * mem); 160 161 /* accessors */ 162 GST_GL_API 163 gint gst_gl_renderbuffer_get_width (GstGLRenderbuffer * gl_mem); 164 165 GST_GL_API 166 gint gst_gl_renderbuffer_get_height (GstGLRenderbuffer * gl_mem); 167 168 GST_GL_API 169 GstGLFormat gst_gl_renderbuffer_get_format (GstGLRenderbuffer * gl_mem); 170 171 GST_GL_API 172 guint gst_gl_renderbuffer_get_id (GstGLRenderbuffer * gl_mem); 173 174 G_END_DECLS 175 176 #endif /* _GST_GL_RENDERBUFFER_H_ */ 177