| /* |
| * GStreamer |
| * Copyright (C) 2012 Matthew Waters <ystreet00@gmail.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_CONTEXT_H__ |
| #define __GST_GL_CONTEXT_H__ |
| |
| #include <gst/gst.h> |
| |
| #include <gst/gl/gl.h> |
| |
| G_BEGIN_DECLS |
| |
| #define GST_GL_TYPE_CONTEXT (gst_gl_context_get_type()) |
| #define GST_GL_CONTEXT(o) (G_TYPE_CHECK_INSTANCE_CAST((o), GST_GL_TYPE_CONTEXT, GstGLContext)) |
| #define GST_GL_CONTEXT_CLASS(k) (G_TYPE_CHECK_CLASS_CAST((k), GST_GL_TYPE_CONTEXT, GstGLContextClass)) |
| #define GST_IS_GL_CONTEXT(o) (G_TYPE_CHECK_INSTANCE_TYPE((o), GST_GL_TYPE_CONTEXT)) |
| #define GST_IS_GL_CONTEXT_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE((k), GST_GL_TYPE_CONTEXT)) |
| #define GST_GL_CONTEXT_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS((o), GST_GL_TYPE_CONTEXT, GstGLContextClass)) |
| GType gst_gl_context_get_type (void); |
| |
| #define GST_GL_CONTEXT_ERROR (gst_gl_context_error_quark ()) |
| GQuark gst_gl_context_error_quark (void); |
| |
| /** |
| * GstGLContextThreadFunc: |
| * @context: a #GstGLContext |
| * @data: user data |
| * |
| * Represents a function to run in the GL thread with @context and @data |
| */ |
| typedef void (*GstGLContextThreadFunc) (GstGLContext * context, gpointer data); |
| |
| #define GST_GL_CONTEXT_TYPE_CGL "gst.gl.context.CGL" |
| #define GST_GL_CONTEXT_TYPE_GLX "gst.gl.context.GLX" |
| #define GST_GL_CONTEXT_TYPE_EGL "gst.gl.context.EGL" |
| #define GST_GL_CONTEXT_TYPE_WGL "gst.gl.context.WGL" |
| #define GST_GL_CONTEXT_TYPE_EAGL "gst.gl.context.EAGL" |
| |
| typedef enum |
| { |
| GST_GL_CONTEXT_ERROR_FAILED, |
| GST_GL_CONTEXT_ERROR_WRONG_CONFIG, |
| GST_GL_CONTEXT_ERROR_WRONG_API, |
| GST_GL_CONTEXT_ERROR_OLD_LIBS, |
| GST_GL_CONTEXT_ERROR_CREATE_CONTEXT, |
| GST_GL_CONTEXT_ERROR_RESOURCE_UNAVAILABLE, |
| } GstGLContextError; |
| |
| /** |
| * GstGLContext: |
| * |
| * Opaque #GstGLContext object |
| */ |
| struct _GstGLContext { |
| /*< private >*/ |
| GstObject parent; |
| |
| GstGLDisplay *display; |
| GstGLWindow *window; |
| |
| GstGLFuncs *gl_vtable; |
| |
| gpointer _reserved[GST_PADDING]; |
| |
| GstGLContextPrivate *priv; |
| }; |
| |
| /** |
| * GstGLContextClass: |
| * @get_gl_context: get the backing platform specific OpenGL context |
| * @get_gl_api: get the available OpenGL api's that this context can work with |
| * @get_proc_address: get an function pointer to an OpenGL function |
| * @activate: call eglMakeCurrent or similar |
| * @choose_format: choose a format for the framebuffer |
| * @create_context: create the OpenGL context |
| * @destroy_context: destroy the OpenGL context |
| * @swap_buffers: swap the default framebuffer's front/back buffers |
| */ |
| struct _GstGLContextClass { |
| GstObjectClass parent_class; |
| |
| guintptr (*get_current_context) (void); |
| guintptr (*get_gl_context) (GstGLContext *context); |
| GstGLAPI (*get_gl_api) (GstGLContext *context); |
| GstGLPlatform (*get_gl_platform) (GstGLContext *context); |
| gpointer (*get_proc_address) (GstGLAPI gl_api, const gchar *name); |
| gboolean (*activate) (GstGLContext *context, gboolean activate); |
| gboolean (*choose_format) (GstGLContext *context, GError **error); |
| gboolean (*create_context) (GstGLContext *context, GstGLAPI gl_api, |
| GstGLContext *other_context, GError ** error); |
| void (*destroy_context) (GstGLContext *context); |
| void (*swap_buffers) (GstGLContext *context); |
| gboolean (*check_feature) (GstGLContext *context, const gchar *feature); |
| |
| /*< private >*/ |
| gpointer _reserved[GST_PADDING]; |
| }; |
| |
| /* methods */ |
| |
| GstGLContext * gst_gl_context_new (GstGLDisplay *display); |
| GstGLContext * gst_gl_context_new_wrapped (GstGLDisplay *display, |
| guintptr handle, |
| GstGLPlatform context_type, |
| GstGLAPI available_apis); |
| |
| gboolean gst_gl_context_activate (GstGLContext *context, gboolean activate); |
| GThread * gst_gl_context_get_thread (GstGLContext *context); |
| GstGLContext * gst_gl_context_get_current (void); |
| |
| GstGLDisplay * gst_gl_context_get_display (GstGLContext *context); |
| gpointer gst_gl_context_get_proc_address (GstGLContext *context, const gchar *name); |
| GstGLPlatform gst_gl_context_get_gl_platform (GstGLContext *context); |
| GstGLAPI gst_gl_context_get_gl_api (GstGLContext *context); |
| guintptr gst_gl_context_get_gl_context (GstGLContext *context); |
| gboolean gst_gl_context_can_share (GstGLContext * context, GstGLContext *other_context); |
| |
| gboolean gst_gl_context_create (GstGLContext *context, GstGLContext *other_context, GError ** error); |
| void gst_gl_context_destroy (GstGLContext *context); |
| |
| gpointer gst_gl_context_default_get_proc_address (GstGLAPI gl_api, const gchar *name); |
| gpointer gst_gl_context_get_proc_address_with_platform (GstGLPlatform, GstGLAPI gl_api, const gchar *name); |
| |
| gboolean gst_gl_context_set_window (GstGLContext *context, GstGLWindow *window); |
| GstGLWindow * gst_gl_context_get_window (GstGLContext *context); |
| |
| void gst_gl_context_get_gl_version (GstGLContext *context, gint *maj, gint *min); |
| gboolean gst_gl_context_check_gl_version (GstGLContext * context, GstGLAPI api, gint maj, gint min); |
| gboolean gst_gl_context_check_feature (GstGLContext *context, const gchar *feature); |
| |
| guintptr gst_gl_context_get_current_gl_context (GstGLPlatform platform); |
| GstGLAPI gst_gl_context_get_current_gl_api (GstGLPlatform platform, guint *major, guint *minor); |
| |
| gboolean gst_gl_context_fill_info (GstGLContext * context, GError ** error); |
| |
| /* FIXME: remove */ |
| void gst_gl_context_thread_add (GstGLContext * context, |
| GstGLContextThreadFunc func, gpointer data); |
| |
| GST_DEBUG_CATEGORY_EXTERN (gst_gl_context_debug); |
| |
| G_END_DECLS |
| |
| #endif /* __GST_GL_CONTEXT_H__ */ |