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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"
#ifdef _WIN32
# include <GL/wglew.h> // only for symbolic constants, do not use API functions
# include <tchar.h>
#
# ifndef ERROR_PROFILE_DOES_NOT_MATCH_DEVICE
# define ERROR_PROFILE_DOES_NOT_MATCH_DEVICE 0x7E7
# endif
#endif
#include <cstdio>
#include <cstring>
#ifdef _WIN32
bool win32_chk(bool result, const char *file, int line, const char *text)
{
if (!result) {
LPTSTR formattedMsg = NULL;
DWORD error = GetLastError();
const char *msg;
DWORD count = 0;
switch (error) {
case ERROR_INVALID_VERSION_ARB:
msg = "The specified OpenGL version and feature set are either invalid or not supported.\n";
break;
case ERROR_INVALID_PROFILE_ARB:
msg = "The specified OpenGL profile and feature set are either invalid or not supported.\n";
break;
case ERROR_INVALID_PIXEL_TYPE_ARB:
msg = "The specified pixel type is invalid.\n";
break;
case ERROR_INCOMPATIBLE_DEVICE_CONTEXTS_ARB:
msg = ("The device contexts specified are not compatible. "
"This can occur if the device contexts are managed by "
"different drivers or possibly on different graphics adapters.\n");
break;
#ifdef WITH_GLEW_ES
case ERROR_INCOMPATIBLE_AFFINITY_MASKS_NV:
msg = "The device context(s) and rendering context have non-matching affinity masks.\n";
break;
case ERROR_MISSING_AFFINITY_MASK_NV:
msg = "The rendering context does not have an affinity mask set.\n";
break;
#endif
case ERROR_PROFILE_DOES_NOT_MATCH_DEVICE:
msg = ("The specified profile is intended for a device of a "
"different type than the specified device.\n");
break;
default:
{
count =
FormatMessage(
(FORMAT_MESSAGE_ALLOCATE_BUFFER |
FORMAT_MESSAGE_FROM_SYSTEM |
FORMAT_MESSAGE_IGNORE_INSERTS),
NULL,
error,
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
(LPTSTR)(&formattedMsg),
0,
NULL);
msg = count > 0 ? formattedMsg : "<no system message>\n";
break;
}
}
#ifndef NDEBUG
_ftprintf(
stderr,
"%s(%d):[%s] -> Win32 Error# (%lu): %s",
file,
line,
text,
(unsigned long)error,
msg);
#else
_ftprintf(
stderr,
"Win32 Error# (%lu): %s",
(unsigned long)error,
msg);
#endif
SetLastError(NO_ERROR);
if (count != 0)
LocalFree(formattedMsg);
}
return result;
}
#endif // _WIN32
void GHOST_Context::initContextGLEW()
{
mxDestroyContext(m_mxContext); // no-op if m_mxContext is NULL
mxMakeCurrentContext(mxCreateContext());
m_mxContext = mxGetCurrentContext();
}
void GHOST_Context::initClearGL()
{
glClearColor(0.447, 0.447, 0.447, 0.000);
glClear(GL_COLOR_BUFFER_BIT);
glClearColor(0.000, 0.000, 0.000, 0.000);
}
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