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/*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* The Original Code is Copyright (C) 2013 Blender Foundation.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): Jason Wilkins
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file ghost/intern/GHOST_Context.cpp
* \ingroup GHOST
* Definition of GHOST_Context class.
*/
#include "GHOST_Context.h"
#include <cstdio>
#include <cstring>
const char* get_glew_error_message_string(GLenum error)
{
switch (error) {
case GLEW_OK: /* also GLEW_NO_ERROR */
return "OK";
case GLEW_ERROR_NO_GL_VERSION:
return "Unable to determine GL version.";
case GLEW_ERROR_GL_VERSION_10_ONLY:
return "OpenGL 1.1 or later is required.";
case GLEW_ERROR_GLX_VERSION_11_ONLY:
return "GLX 1.2 or later is required.";
#if WITH_GLEW_ES
case GLEW_ERROR_NOT_GLES_VERSION:
return "OpenGL ES is required.";
case GLEW_ERROR_GLES_VERSION:
return "A non-ES version of OpenGL is required.";
case GLEW_ERROR_NO_EGL_VERSION:
return "Unabled to determine EGL version.";
case GLEW_ERROR_EGL_VERSION_10_ONLY:
return "EGL 1.1 or later is required.";
#endif
default:
return NULL;
}
}
const char* get_glew_error_enum_string(GLenum error)
{
switch (error) {
case GLEW_OK: /* also GLEW_NO_ERROR */
return "GLEW_OK";
case GLEW_ERROR_NO_GL_VERSION:
return "GLEW_ERROR_NO_GL_VERSION";
case GLEW_ERROR_GL_VERSION_10_ONLY:
return "GLEW_ERROR_GL_VERSION_10_ONLY";
case GLEW_ERROR_GLX_VERSION_11_ONLY:
return "GLEW_ERROR_GLX_VERSION_11_ONLY";
#if WITH_GLEW_ES
case GLEW_ERROR_NOT_GLES_VERSION:
return "GLEW_ERROR_NOT_GLES_VERSION";
case GLEW_ERROR_GLES_VERSION:
return "GLEW_ERROR_GLES_VERSION";
case GLEW_ERROR_NO_EGL_VERSION:
return "GLEW_ERROR_NO_EGL_VERSION";
case GLEW_ERROR_EGL_VERSION_10_ONLY:
return "GLEW_ERROR_EGL_VERSION_10_ONLY";
#endif
default:
return NULL;
}
}
GLenum glew_chk(GLenum error, const char* file, int line, const char* text)
{
if (error != GLEW_OK) {
const char* code = get_glew_error_enum_string(error);
const char* msg = get_glew_error_message_string(error);
#ifndef NDEBUG
fprintf(
stderr,
"%s(%d):[%s] -> GLEW Error (0x%04X): %s: %s\n",
file,
line,
text,
error,
code ? code : "<no symbol>",
msg ? msg : "<no message>");
#else
fprintf(
stderr,
"GLEW Error (%04X): %s: %s\n",
error,
code ? code : "<no symbol>",
msg ? msg : "<no message>");
#endif
}
return error;
}
void GHOST_Context::initContextGLEW()
{
glewDestroyContext(m_glewContext);
glewSetContext(glewCreateContext());
m_glewContext = glewGetContext();
GLEW_CHK(glewInit());
}
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