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/* SPDX-License-Identifier: GPL-2.0-or-later
* Copyright 2013 Blender Foundation. All rights reserved. */
/** \file
* \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_silent_chk(bool result)
{
if (!result) {
SetLastError(NO_ERROR);
}
return result;
}
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;
/* Some drivers returns a HRESULT instead of a standard error message.
* i.e: 0xC0072095 instead of 0x2095 for ERROR_INVALID_VERSION_ARB
* So strip down the error to the valid error code range. */
switch (error & 0x0000FFFF) {
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()
{
GLEW_CHK(glewInit());
}
void GHOST_Context::initClearGL()
{
glClearColor(0.294, 0.294, 0.294, 0.000);
glClear(GL_COLOR_BUFFER_BIT);
glClearColor(0.000, 0.000, 0.000, 0.000);
}
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