1 /* 2 * GStreamer 3 * Copyright (C) 2015 Matthew Waters <matthew@centricular.com> 4 * 5 * This library is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU Library General Public 7 * License as published by the Free Software Foundation; either 8 * version 2 of the License, or (at your option) any later version. 9 * 10 * This library is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 * Library General Public License for more details. 14 * 15 * You should have received a copy of the GNU Library General Public 16 * License along with this library; if not, write to the 17 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, 18 * Boston, MA 02110-1301, USA. 19 */ 20 21 #ifndef __GST_GLSL_PRIVATE_H__ 22 #define __GST_GLSL_PRIVATE_H__ 23 24 #include <gst/gl/gstgl_fwd.h> 25 #include <gst/gl/gstglfuncs.h> 26 27 G_BEGIN_DECLS 28 29 #ifndef GL_COMPILE_STATUS 30 #define GL_COMPILE_STATUS 0x8B81 31 #endif 32 #ifndef GLhandleARB 33 #define GLhandleARB GLuint 34 #endif 35 36 typedef struct _GstGLSLFuncs 37 { 38 gboolean initialized; 39 40 GLuint (GSTGLAPI *CreateProgram) (void); 41 void (GSTGLAPI *DeleteProgram) (GLuint program); 42 void (GSTGLAPI *UseProgram) (GLuint program); 43 void (GSTGLAPI *GetAttachedShaders) (GLuint program, GLsizei maxcount, 44 GLsizei * count, GLuint * shaders); 45 46 GLuint (GSTGLAPI *CreateShader) (GLenum shaderType); 47 void (GSTGLAPI *DeleteShader) (GLuint shader); 48 void (GSTGLAPI *AttachShader) (GLuint program, GLuint shader); 49 void (GSTGLAPI *DetachShader) (GLuint program, GLuint shader); 50 51 void (GSTGLAPI *GetShaderiv) (GLuint program, GLenum pname, GLint * params); 52 void (GSTGLAPI *GetProgramiv) (GLuint program, GLenum pname, GLint * params); 53 void (GSTGLAPI *GetShaderInfoLog) (GLuint shader, GLsizei maxLength, 54 GLsizei * length, char *log); 55 void (GSTGLAPI *GetProgramInfoLog) (GLuint shader, GLsizei maxLength, 56 GLsizei * length, char *log); 57 } GstGLSLFuncs; 58 59 G_GNUC_INTERNAL gboolean _gst_glsl_funcs_fill (GstGLSLFuncs * vtable, GstGLContext * context); 60 G_GNUC_INTERNAL const gchar * _gst_glsl_shader_string_find_version (const gchar * str); 61 62 G_GNUC_INTERNAL gchar * 63 _gst_glsl_mangle_shader (const gchar * str, guint shader_type, GstGLTextureTarget from, 64 GstGLTextureTarget to, GstGLContext * context, GstGLSLVersion * version, GstGLSLProfile * profile); 65 66 G_END_DECLS 67 68 #endif /* __GST_GLSL_PRIVATE_H__ */ 69