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/*
* 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_PRIVATE_H__
#define __GST_GLSL_PRIVATE_H__
#include <gst/gl/gstgl_fwd.h>
#include <gst/gl/gstglfuncs.h>
G_BEGIN_DECLS
#ifndef GL_COMPILE_STATUS
#define GL_COMPILE_STATUS 0x8B81
#endif
#ifndef GLhandleARB
#define GLhandleARB GLuint
#endif
typedef struct _GstGLSLFuncs
{
gboolean initialized;
GLuint (GSTGLAPI *CreateProgram) (void);
void (GSTGLAPI *DeleteProgram) (GLuint program);
void (GSTGLAPI *UseProgram) (GLuint program);
void (GSTGLAPI *GetAttachedShaders) (GLuint program, GLsizei maxcount,
GLsizei * count, GLuint * shaders);
GLuint (GSTGLAPI *CreateShader) (GLenum shaderType);
void (GSTGLAPI *DeleteShader) (GLuint shader);
void (GSTGLAPI *AttachShader) (GLuint program, GLuint shader);
void (GSTGLAPI *DetachShader) (GLuint program, GLuint shader);
void (GSTGLAPI *GetShaderiv) (GLuint program, GLenum pname, GLint * params);
void (GSTGLAPI *GetProgramiv) (GLuint program, GLenum pname, GLint * params);
void (GSTGLAPI *GetShaderInfoLog) (GLuint shader, GLsizei maxLength,
GLsizei * length, char *log);
void (GSTGLAPI *GetProgramInfoLog) (GLuint shader, GLsizei maxLength,
GLsizei * length, char *log);
} GstGLSLFuncs;
G_GNUC_INTERNAL gboolean _gst_glsl_funcs_fill (GstGLSLFuncs * vtable, GstGLContext * context);
G_GNUC_INTERNAL const gchar * _gst_glsl_shader_string_find_version (const gchar * str);
G_GNUC_INTERNAL gchar *
_gst_glsl_mangle_shader (const gchar * str, guint shader_type, GstGLTextureTarget from,
GstGLTextureTarget to, GstGLContext * context, GstGLSLVersion * version, GstGLSLProfile * profile);
G_END_DECLS
#endif /* __GST_GLSL_PRIVATE_H__ */
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