/*

 * 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.

 */

/*

 * Cogl

 *

 * An object oriented GL/GLES Abstraction/Utility Layer

 *

 * Copyright (C) 2009, 2011 Intel Corporation.

 *

 * This library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Lesser 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

 * Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public

 * License along with this library. If not, see <http://www.gnu.org/licenses/>.

 */

/* This lists functions that are unique to GL 2.0 or GLES 2.0 and are

 * not in the old GLSL extensions */

GST_GL_EXT_BEGIN (shaders_glsl_2_only,

                  GST_GL_API_OPENGL | GST_GL_API_OPENGL3 |

                  GST_GL_API_GLES2,

                  2, 0,

                  2, 0,

                  "\0",

                  "\0")

GST_GL_EXT_FUNCTION (GLuint, CreateProgram,

                     (void))

GST_GL_EXT_FUNCTION (GLuint, CreateShader,

                     (GLenum                shaderType))

GST_GL_EXT_FUNCTION (void, DeleteShader,

                     (GLuint                shader))

GST_GL_EXT_FUNCTION (void, AttachShader,

                     (GLuint                program,

                      GLuint                shader))

GST_GL_EXT_FUNCTION (void, UseProgram,

                     (GLuint                program))

GST_GL_EXT_FUNCTION (void, DeleteProgram,

                     (GLuint                program))

GST_GL_EXT_FUNCTION (void, GetShaderInfoLog,

                     (GLuint                shader,

                      GLsizei               maxLength,

                      GLsizei              *length,

                      char                 *infoLog))

GST_GL_EXT_FUNCTION (void, GetProgramInfoLog,

                     (GLuint                program,

                      GLsizei               bufSize,

                      GLsizei              *length,

                      char                 *infoLog))

GST_GL_EXT_FUNCTION (void, GetShaderiv,

                     (GLuint                shader,

                      GLenum                pname,

                      GLint                *params))

GST_GL_EXT_FUNCTION (void, GetProgramiv,

                     (GLuint                program,

                      GLenum                pname,

                      GLint                *params))

GST_GL_EXT_FUNCTION (void, DetachShader,

                     (GLuint program, GLuint shader))

GST_GL_EXT_FUNCTION (void, GetAttachedShaders,

                     (GLuint program,

                      GLsizei maxcount,

                      GLsizei* count,

                      GLuint* shaders))

GST_GL_EXT_FUNCTION (GLboolean, IsShader,

                     (GLuint shader))

GST_GL_EXT_FUNCTION (GLboolean, IsProgram,

                     (GLuint program))

GST_GL_EXT_END ()

/* These functions are provided by GL_ARB_shader_objects or are in GL

 * 2.0 core */

GST_GL_EXT_BEGIN (shader_objects_or_gl2,

                  GST_GL_API_OPENGL | GST_GL_API_OPENGL3 |

                  GST_GL_API_GLES2,

                  2, 0,

                  2, 0,

                  "ARB\0",

                  "shader_objects\0")

GST_GL_EXT_FUNCTION (void, ShaderSource,

                     (GLuint                shader,

                      GLsizei               count,

                      const char          **string,

                      const GLint          *length))

GST_GL_EXT_FUNCTION (void, CompileShader,

                     (GLuint                shader))

GST_GL_EXT_FUNCTION (void, LinkProgram,

                     (GLuint                program))

GST_GL_EXT_FUNCTION (GLint, GetUniformLocation,

                     (GLuint                program,

                      const char           *name))

GST_GL_EXT_FUNCTION (void, Uniform1f,

                     (GLint                 location,

                      GLfloat               v0))

GST_GL_EXT_FUNCTION (void, Uniform2f,

                     (GLint                 location,

                      GLfloat               v0,

                      GLfloat               v1))

GST_GL_EXT_FUNCTION (void, Uniform3f,

                     (GLint                 location,

                      GLfloat               v0,

                      GLfloat               v1,

                      GLfloat               v2))

GST_GL_EXT_FUNCTION (void, Uniform4f,

                     (GLint                 location,

                      GLfloat               v0,

                      GLfloat               v1,

                      GLfloat               v2,

                      GLfloat               v3))

GST_GL_EXT_FUNCTION (void, Uniform1fv,

                     (GLint                 location,

                      GLsizei               count,

                      const GLfloat *       value))

GST_GL_EXT_FUNCTION (void, Uniform2fv,

                     (GLint                 location,

                      GLsizei               count,

                      const GLfloat *       value))

GST_GL_EXT_FUNCTION (void, Uniform3fv,

                     (GLint                 location,

                      GLsizei               count,

                      const GLfloat *       value))

GST_GL_EXT_FUNCTION (void, Uniform4fv,

                     (GLint                 location,

                      GLsizei               count,

                      const GLfloat *       value))

GST_GL_EXT_FUNCTION (void, Uniform1i,

                     (GLint                 location,

                      GLint                 v0))

GST_GL_EXT_FUNCTION (void, Uniform2i,

                     (GLint                 location,

                      GLint                 v0,

                      GLint                 v1))

GST_GL_EXT_FUNCTION (void, Uniform3i,

                     (GLint                 location,

                      GLint                 v0,

                      GLint                 v1,

                      GLint                 v2))

GST_GL_EXT_FUNCTION (void, Uniform4i,

                     (GLint                 location,

                      GLint                 v0,

                      GLint                 v1,

                      GLint                 v2,

                      GLint                 v3))

GST_GL_EXT_FUNCTION (void, Uniform1iv,

                     (GLint                 location,

                      GLsizei               count,

                      const GLint *         value))

GST_GL_EXT_FUNCTION (void, Uniform2iv,

                     (GLint                 location,

                      GLsizei               count,

                      const GLint *         value))

GST_GL_EXT_FUNCTION (void, Uniform3iv,

                     (GLint                 location,

                      GLsizei               count,

                      const GLint *         value))

GST_GL_EXT_FUNCTION (void, Uniform4iv,

                     (GLint                 location,

                      GLsizei               count,

                      const GLint *         value))

GST_GL_EXT_FUNCTION (void, UniformMatrix2fv,

                     (GLint                 location,

                      GLsizei               count,

                      GLboolean             transpose,

                      const GLfloat        *value))

GST_GL_EXT_FUNCTION (void, UniformMatrix3fv,

                     (GLint                 location,

                      GLsizei               count,

                      GLboolean             transpose,

                      const GLfloat        *value))

GST_GL_EXT_FUNCTION (void, UniformMatrix4fv,

                     (GLint                 location,

                      GLsizei               count,

                      GLboolean             transpose,

                      const GLfloat        *value))

GST_GL_EXT_FUNCTION (void, GetUniformfv,

                     (GLuint                program,

                      GLint                 location,

                      GLfloat              *params))

GST_GL_EXT_FUNCTION (void, GetUniformiv,

                     (GLuint                program,

                      GLint                 location,

                      GLint                *params))

GST_GL_EXT_FUNCTION (void, GetActiveUniform,

                     (GLuint program,

                      GLuint index,

                      GLsizei bufsize,

                      GLsizei* length,

                      GLint* size,

                      GLenum* type,

                      GLchar* name))

GST_GL_EXT_FUNCTION (void, GetShaderSource,

                     (GLuint shader,

                      GLsizei bufsize,

                      GLsizei* length,

                      GLchar* source))

GST_GL_EXT_FUNCTION (void, ValidateProgram, (GLuint program))

GST_GL_EXT_END ()

/* These functions are provided by GL_ARB_vertex_shader or are in GL

 * 2.0 core */

GST_GL_EXT_BEGIN (vertex_shaders,

                  GST_GL_API_OPENGL | GST_GL_API_OPENGL3 |

                  GST_GL_API_GLES2,

                  2, 0,

                  2, 0,

                  "ARB\0",

                  "vertex_shader\0")

GST_GL_EXT_FUNCTION (void, VertexAttribPointer,

                     (GLuint		 index,

                      GLint		 size,

                      GLenum		 type,

                      GLboolean		 normalized,

                      GLsizei		 stride,

                      const GLvoid        *pointer))

GST_GL_EXT_FUNCTION (void, EnableVertexAttribArray,

                     (GLuint		 index))

GST_GL_EXT_FUNCTION (void, DisableVertexAttribArray,

                     (GLuint		 index))

GST_GL_EXT_FUNCTION (void, VertexAttrib1f, (GLuint indx, GLfloat x))

GST_GL_EXT_FUNCTION (void, VertexAttrib1fv,

                     (GLuint indx, const GLfloat* values))

GST_GL_EXT_FUNCTION (void, VertexAttrib2f, (GLuint indx, GLfloat x, GLfloat y))

GST_GL_EXT_FUNCTION (void, VertexAttrib2fv,

                     (GLuint indx, const GLfloat* values))

GST_GL_EXT_FUNCTION (void, VertexAttrib3f,

                     (GLuint indx, GLfloat x, GLfloat y, GLfloat z))

GST_GL_EXT_FUNCTION (void, VertexAttrib3fv,

                     (GLuint indx, const GLfloat* values))

GST_GL_EXT_FUNCTION (void, VertexAttrib4f,

                     (GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w))

GST_GL_EXT_FUNCTION (void, VertexAttrib4fv,

                     (GLuint indx, const GLfloat* values))

GST_GL_EXT_FUNCTION (void, GetVertexAttribfv,

                     (GLuint index, GLenum pname, GLfloat* params))

GST_GL_EXT_FUNCTION (void, GetVertexAttribiv,

                     (GLuint index, GLenum pname, GLint* params))

GST_GL_EXT_FUNCTION (void, GetVertexAttribPointerv,

                     (GLuint index, GLenum pname, GLvoid** pointer))

GST_GL_EXT_FUNCTION (GLint, GetAttribLocation,

                     (GLuint program, const char *name))

GST_GL_EXT_FUNCTION (void, BindAttribLocation,

                     (GLuint program,

                      GLuint index,

                      const GLchar* name))

GST_GL_EXT_FUNCTION (void, GetActiveAttrib,

                     (GLuint program,

                      GLuint index,

                      GLsizei bufsize,

                      GLsizei* length,

                      GLint* size,

                      GLenum* type,

                      GLchar* name))

GST_GL_EXT_END ()

/* These only list functions that come from the old GLSL extensions.

 * Functions that are common to the extensions and GLSL 2.0 should

 * instead be listed in cogl-glsl-functions.h */

GST_GL_EXT_BEGIN (shader_objects,

                  GST_GL_API_NONE,

                  255, 255,

                  255, 255, /* not in either GLES */

                  "ARB\0",

                  "shader_objects\0")

GST_GL_EXT_FUNCTION (GLuint, CreateProgramObject,

                     (void))

GST_GL_EXT_FUNCTION (GLuint, CreateShaderObject,

                     (GLenum shaderType))

GST_GL_EXT_FUNCTION (void, DeleteObject,

                     (GLuint obj))

GST_GL_EXT_FUNCTION (void, AttachObject,

                     (GLuint container, GLuint obj))

GST_GL_EXT_FUNCTION (void, UseProgramObject,

                     (GLuint programObj))

GST_GL_EXT_FUNCTION (void, GetInfoLog,

                     (GLuint                obj,

                      GLsizei               maxLength,

                      GLsizei              *length,

                      char                 *infoLog))

GST_GL_EXT_FUNCTION (void, GetObjectParameteriv,

                     (GLuint                obj,

                      GLenum                pname,

                      GLint                *params))

GST_GL_EXT_FUNCTION (void, DetachObject,

                     (GLuint container, GLuint obj))

GST_GL_EXT_FUNCTION (void, GetAttachedObjects,

                     (GLuint program,

                      GLsizei maxcount,

                      GLsizei* count,

                      GLuint* shaders))

GST_GL_EXT_END ()

/* ARB_fragment_program */

GST_GL_EXT_BEGIN (arbfp,

                  GST_GL_API_NONE,

                  255, 255,

                  255, 255, /* not in either GLES */

                  "ARB\0",

                  "fragment_program\0")

GST_GL_EXT_FUNCTION (void, GenPrograms,

                     (GLsizei               n,

                      GLuint               *programs))

GST_GL_EXT_FUNCTION (void, DeletePrograms,

                     (GLsizei               n,

                      GLuint               *programs))

GST_GL_EXT_FUNCTION (void, BindProgram,

                     (GLenum                target,

                      GLuint                program))

GST_GL_EXT_FUNCTION (void, ProgramString,

                     (GLenum                target,

                      GLenum                format,

                      GLsizei               len,

                      const void           *program))

GST_GL_EXT_FUNCTION (void, ProgramLocalParameter4fv,

                     (GLenum                target,

                      GLuint                index,

                      GLfloat              *params))

GST_GL_EXT_END ()

/* This lists functions that are unique to GL 2.1 or GLES 3.0 and are

 * not in the old GLSL extensions */

GST_GL_EXT_BEGIN (shaders_2_1,

                  GST_GL_API_OPENGL | GST_GL_API_OPENGL3 |

                  GST_GL_API_GLES2,

                  2, 1,

                  3, 0,

                  "\0",

                  "\0")

GST_GL_EXT_FUNCTION (void, UniformMatrix2x3fv,

                     (GLint location, GLsizei count, GLboolean transpose, const GLfloat *value))

GST_GL_EXT_FUNCTION (void, UniformMatrix3x2fv,

                     (GLint location, GLsizei count, GLboolean transpose, const GLfloat *value))

GST_GL_EXT_FUNCTION (void, UniformMatrix2x4fv,

                     (GLint location, GLsizei count, GLboolean transpose, const GLfloat *value))

GST_GL_EXT_FUNCTION (void, UniformMatrix4x2fv,

                     (GLint location, GLsizei count, GLboolean transpose, const GLfloat *value))

GST_GL_EXT_FUNCTION (void, UniformMatrix3x4fv,

                     (GLint location, GLsizei count, GLboolean transpose, const GLfloat *value))

GST_GL_EXT_FUNCTION (void, UniformMatrix4x3fv,

                     (GLint location, GLsizei count, GLboolean transpose, const GLfloat *value))

GST_GL_EXT_END ()

GST_GL_EXT_BEGIN (bind_frag_data,

                  GST_GL_API_OPENGL | GST_GL_API_OPENGL3,

                  3, 0,

                  255, 255,

                  "\0",

                  "\0")

GST_GL_EXT_FUNCTION (void, BindFragDataLocation,

                     (GLuint program, GLuint index, const GLchar * name))

GST_GL_EXT_END ()