gstreamer/gst-libs/gst/gl/egl/gstglcontext_egl.h
Matthew Waters 7d97a35139 glcontext: add more functionality to wrapped contexts
Implements get_current_context() and get_proc_address() for wrapped
contexts.
2017-12-09 19:31:49 +00:00

70 lines
2.6 KiB
C

/*
* GStreamer
* Copyright (C) 2013 Sebastian Dröge <slomo@circular-chaos.org>
*
* 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_EGL_H__
#define __GST_GL_EGL_H__
#include <gst/gst.h>
#include <gst/gl/gl.h>
G_BEGIN_DECLS
typedef struct _GstGLContextEGL GstGLContextEGL;
typedef struct _GstGLContextEGLClass GstGLContextEGLClass;
#define GST_GL_TYPE_CONTEXT_EGL (gst_gl_context_egl_get_type())
#define GST_GL_CONTEXT_EGL(o) (G_TYPE_CHECK_INSTANCE_CAST((o), GST_GL_TYPE_CONTEXT_EGL, GstGLContextEGL))
#define GST_GL_CONTEXT_EGL_CLASS(k) (G_TYPE_CHECK_CLASS((k), GST_GL_TYPE_CONTEXT_EGL, GstGLContextEGLClass))
#define GST_GL_IS_CONTEXT_EGL(o) (G_TYPE_CHECK_INSTANCE_TYPE((o), GST_GL_TYPE_CONTEXT_EGL))
#define GST_GL_IS_CONTEXT_EGL_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE((k), GST_GL_TYPE_CONTEXT_EGL))
#define GST_GL_CONTEXT_EGL_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS((o), GST_GL_TYPE_CONTEXT_EGL, GstGLContextEGLClass))
struct _GstGLContextEGL {
GstGLContext context;
EGLContext egl_context;
EGLDisplay egl_display;
EGLSurface egl_surface;
EGLConfig egl_config;
GstGLAPI gl_api;
EGLImageKHR (*eglCreateImage) (EGLDisplay dpy, EGLContext ctx, EGLenum target,
EGLClientBuffer buffer, const EGLint *attrib_list);
EGLBoolean (*eglDestroyImage) (EGLDisplay dpy, EGLImageKHR image);
};
struct _GstGLContextEGLClass {
GstGLContextClass parent;
};
GType gst_gl_context_egl_get_type (void);
GstGLContextEGL * gst_gl_context_egl_new (void);
guintptr gst_gl_context_egl_get_current_context (void);
gpointer gst_gl_context_egl_get_proc_address (GstGLContext * context, const gchar * name);
/* TODO:
* add support for EGL_NO_CONTEXT
* add gst_gl_context_egl_new_gl_no_context that only manages the display
* add gst_gl_context_egl_is_gl_no_context () */
G_END_DECLS
#endif /* __GST_GL_EGL_H__ */