| /* |
| * 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 _GST_GL_BUFFER_H_ |
| #define _GST_GL_BUFFER_H_ |
| |
| #include <gst/gst.h> |
| #include <gst/gstallocator.h> |
| #include <gst/gstmemory.h> |
| |
| #include <gst/gl/gstglbasememory.h> |
| |
| G_BEGIN_DECLS |
| |
| #define GST_TYPE_GL_BUFFER_ALLOCATOR (gst_gl_buffer_allocator_get_type()) |
| GType gst_gl_buffer_allocator_get_type(void); |
| |
| #define GST_IS_GL_BUFFER_ALLOCATOR(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_GL_ALLOCATOR)) |
| #define GST_IS_GL_BUFFER_ALLOCATOR_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_GL_BUFFER_ALLOCATOR)) |
| #define GST_GL_BUFFER_ALLOCATOR_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_GL_BUFFER_ALLOCATOR, GstGLBufferAllocatorClass)) |
| #define GST_GL_BUFFER_ALLOCATOR(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_GL_BUFFER_ALLOCATOR, GstGLBufferAllocator)) |
| #define GST_GL_BUFFER_ALLOCATOR_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_GL_BUFFER_ALLOCATOR, GstGLBufferAllocatorClass)) |
| #define GST_GL_BUFFER_ALLOCATOR_CAST(obj) ((GstGLBufferAllocator *)(obj)) |
| |
| /** |
| * GstGLBuffer: |
| * @mem: the parent object |
| * @context: the #GstGLContext to use for GL operations |
| * @id: the buffer id for this memory |
| * @target: the GL target of this texture for binding purposes |
| * |
| * Represents information about a GL buffer |
| */ |
| struct _GstGLBuffer |
| { |
| GstGLBaseMemory mem; |
| |
| guint id; |
| guint target; /* XXX: put this in the allocator? */ |
| guint usage_hints; /* XXX: put this in the allocator? */ |
| }; |
| |
| typedef struct _GstGLBufferAllocationParams GstGLBufferAllocationParams; |
| |
| #define GST_GL_ALLOCATION_PARAMS_ALLOC_FLAG_BUFFER (1 << 4) |
| |
| struct _GstGLBufferAllocationParams |
| { |
| GstGLAllocationParams parent; |
| |
| guint gl_target; |
| guint gl_usage; |
| }; |
| |
| GstGLBufferAllocationParams * gst_gl_buffer_allocation_params_new (GstGLContext * context, |
| gsize alloc_size, |
| GstAllocationParams * alloc_params, |
| guint gl_target, |
| guint gl_usage); |
| |
| /** |
| * GstGLBufferAllocator |
| * |
| * Opaque #GstGLAllocator struct |
| */ |
| struct _GstGLBufferAllocator |
| { |
| GstGLBaseMemoryAllocator parent; |
| }; |
| |
| /** |
| * GstGLBufferAllocatorClass: |
| * |
| * The #GstGLBufferAllocatorClass only contains private data |
| */ |
| struct _GstGLBufferAllocatorClass |
| { |
| GstGLBaseMemoryAllocatorClass parent_class; |
| }; |
| |
| #define GST_CAPS_FEATURE_MEMORY_GL_BUFFER "memory:GLBuffer" |
| |
| /** |
| * GST_GL_BUFFER_ALLOCATOR_NAME: |
| * |
| * The name of the GL buffer allocator |
| */ |
| #define GST_GL_BUFFER_ALLOCATOR_NAME "GLBuffer" |
| |
| void gst_gl_buffer_init_once (void); |
| gboolean gst_is_gl_buffer (GstMemory * mem); |
| |
| GstGLBuffer * gst_gl_buffer_alloc (GstGLContext * context, |
| guint gl_target, |
| guint gl_usage, |
| GstAllocationParams * params, |
| gsize maxsize); |
| |
| G_END_DECLS |
| |
| #endif /* _GST_GL_BUFFER_H_ */ |