2 // Copyright (C) 2006 Matthias Braun <matze@braunis.de>
4 // This program is free software: you can redistribute it and/or modify
5 // it under the terms of the GNU General Public License as published by
6 // the Free Software Foundation, either version 3 of the License, or
7 // (at your option) any later version.
9 // This program is distributed in the hope that it will be useful,
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 // GNU General Public License for more details.
14 // You should have received a copy of the GNU General Public License
15 // along with this program. If not, see <http://www.gnu.org/licenses/>.
17 #ifndef HEADER_SUPERTUX_VIDEO_GLUTIL_HPP
18 #define HEADER_SUPERTUX_VIDEO_GLUTIL_HPP
28 # include <OpenGL/gl.h>
29 # include <OpenGL/glext.h>
30 #elif defined(GL_VERSION_ES_CM_1_0)
32 # include <GLES/glext.h>
35 # include <GL/glext.h>
38 static inline void check_gl_error(const char* message)
41 GLenum error = glGetError();
42 if(error != GL_NO_ERROR) {
43 std::ostringstream msg;
44 msg << "OpenGLError while '" << message << "': ";
47 msg << "INVALID_ENUM: An unacceptable value is specified for an "
48 "enumerated argument.";
50 case GL_INVALID_VALUE:
51 msg << "INVALID_VALUE: A numeric argument is out of range.";
53 case GL_INVALID_OPERATION:
54 msg << "INVALID_OPERATION: The specified operation is not allowed "
55 "in the current state.";
57 case GL_STACK_OVERFLOW:
58 msg << "STACK_OVERFLOW: This command would cause a stack overflow.";
60 case GL_STACK_UNDERFLOW:
61 msg << "STACK_UNDERFLOW: This command would cause a stack underflow.";
63 case GL_OUT_OF_MEMORY:
64 msg << "OUT_OF_MEMORY: There is not enough memory left to execute the "
67 #ifdef GL_TABLE_TOO_LARGE
68 case GL_TABLE_TOO_LARGE:
69 msg << "TABLE_TOO_LARGE: table is too large";
73 msg << "Unknown error (code " << error << ")";
76 throw std::runtime_error(msg.str());
83 static inline void assert_gl(const char* message)
86 check_gl_error(message);
96 #define GL_SRC_ALPHA 0
97 #define GL_ONE_MINUS_SRC_ALPHA 1