/*

 * 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_GLSL_H__

#define __GST_GLSL_H__

#include <gst/gl/gstgl_fwd.h>

G_BEGIN_DECLS

GST_GL_API

GQuark gst_glsl_error_quark (void);

/**

 * GST_GLSL_ERROR:

 *

 * Error domain for GStreamer's GLSL module. Errors in this domain will be

 * from the #GstGLSLError enumeration

 */

#define GST_GLSL_ERROR (gst_glsl_error_quark ())

/**

 * GstGLSLError:

 * @GST_GLSL_ERROR_COMPILE: Compilation error occured

 * @GST_GLSL_ERROR_LINK: Link error occured

 * @GST_GLSL_ERROR_PROGRAM: General program error occured

 *

 * Compilation stage that caused an error

 *

 * Since: 1.8

 */

typedef enum {

  GST_GLSL_ERROR_COMPILE,

  GST_GLSL_ERROR_LINK,

  GST_GLSL_ERROR_PROGRAM,

} GstGLSLError;

/**

 * GstGLSLVersion:

 * @GST_GLSL_VERSION_NONE: no version

 * @GST_GLSL_VERSION_100: version 100 (only valid for ES)

 * @GST_GLSL_VERSION_110: version 110 (only valid for compatibility desktop GL)

 * @GST_GLSL_VERSION_120: version 120 (only valid for compatibility desktop GL)

 * @GST_GLSL_VERSION_130: version 130 (only valid for compatibility desktop GL)

 * @GST_GLSL_VERSION_140: version 140 (only valid for compatibility desktop GL)

 * @GST_GLSL_VERSION_150: version 150 (valid for compatibility/core desktop GL)

 * @GST_GLSL_VERSION_300: version 300 (only valid for ES)

 * @GST_GLSL_VERSION_310: version 310 (only valid for ES)

 * @GST_GLSL_VERSION_320: version 320 (only valid for ES)

 * @GST_GLSL_VERSION_330: version 330 (valid for compatibility/core desktop GL)

 * @GST_GLSL_VERSION_400: version 400 (valid for compatibility/core desktop GL)

 * @GST_GLSL_VERSION_410: version 410 (valid for compatibility/core desktop GL)

 * @GST_GLSL_VERSION_420: version 420 (valid for compatibility/core desktop GL)

 * @GST_GLSL_VERSION_430: version 430 (valid for compatibility/core desktop GL)

 * @GST_GLSL_VERSION_440: version 440 (valid for compatibility/core desktop GL)

 * @GST_GLSL_VERSION_450: version 450 (valid for compatibility/core desktop GL)

 *

 * GLSL version list

 *

 * Since: 1.8

 */

typedef enum

{

  GST_GLSL_VERSION_NONE = 0,

  GST_GLSL_VERSION_100 = 100, /* ES */

  GST_GLSL_VERSION_110 = 110, /* GL */

  GST_GLSL_VERSION_120 = 120, /* GL */

  GST_GLSL_VERSION_130 = 130, /* GL */

  GST_GLSL_VERSION_140 = 140, /* GL */

  GST_GLSL_VERSION_150 = 150, /* GL */

  GST_GLSL_VERSION_300 = 300, /* ES */

  GST_GLSL_VERSION_310 = 310, /* ES */

  GST_GLSL_VERSION_320 = 320, /* ES */

  GST_GLSL_VERSION_330 = 330, /* GL */

  GST_GLSL_VERSION_400 = 400, /* GL */

  GST_GLSL_VERSION_410 = 410, /* GL */

  GST_GLSL_VERSION_420 = 420, /* GL */

  GST_GLSL_VERSION_430 = 430, /* GL */

  GST_GLSL_VERSION_440 = 440, /* GL */

  GST_GLSL_VERSION_450 = 450, /* GL */

} GstGLSLVersion;

/**

 * GstGLSLProfile:

 * @GST_GLSL_PROFILE_NONE: no profile supported/available

 * @GST_GLSL_PROFILE_ES: OpenGL|ES profile

 * @GST_GLSL_PROFILE_CORE: OpenGL core profile

 * @GST_GLSL_PROFILE_COMPATIBILITY: OpenGL compatibility profile

 * @GST_GLSL_PROFILE_ANY: any OpenGL/OpenGL|ES profile

 *

 * GLSL profiles

 *

 * Since: 1.8

 */

typedef enum

{

  /* XXX: maybe make GstGLAPI instead */

  GST_GLSL_PROFILE_NONE = 0,

  GST_GLSL_PROFILE_ES = (1 << 0),

  GST_GLSL_PROFILE_CORE = (1 << 1),

  GST_GLSL_PROFILE_COMPATIBILITY = (1 << 2),

  GST_GLSL_PROFILE_ANY = -1,

} GstGLSLProfile;

GST_GL_API

GstGLSLVersion gst_glsl_version_from_string         (const gchar * string);

GST_GL_API

const gchar *  gst_glsl_version_to_string           (GstGLSLVersion version);

GST_GL_API

GstGLSLProfile gst_glsl_profile_from_string         (const gchar * string);

GST_GL_API

const gchar *  gst_glsl_profile_to_string           (GstGLSLProfile profile);

GST_GL_API

gchar *        gst_glsl_version_profile_to_string   (GstGLSLVersion version,

                                                     GstGLSLProfile profile);

GST_GL_API

gboolean       gst_glsl_version_profile_from_string (const gchar * string,

                                                     GstGLSLVersion * version_ret,

                                                     GstGLSLProfile * profile_ret);

GST_GL_API

gboolean       gst_glsl_string_get_version_profile  (const gchar *s,

                                                     GstGLSLVersion * version,

                                                     GstGLSLProfile * profile);

GST_GL_API

GstGLSLVersion gst_gl_version_to_glsl_version       (GstGLAPI gl_api, gint maj, gint min);

GST_GL_API

gboolean       gst_gl_context_supports_glsl_profile_version (GstGLContext * context,

                                                             GstGLSLVersion version,

                                                             GstGLSLProfile profile);

G_END_DECLS

#endif /* __GST_GLSL_H__ */