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/* Copyright (C) 2015 Wildfire Games.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
/*
* graphics card detection.
*/
#include "precompiled.h"
#include "lib/sysdep/gfx.h"
#include "lib/external_libraries/libsdl.h"
#include "lib/ogl.h"
#if OS_WIN
# include "lib/sysdep/os/win/wgfx.h"
#endif
namespace gfx {
std::wstring CardName()
{
// GL_VENDOR+GL_RENDERER are good enough here, so we don't use WMI to detect the cards.
// On top of that WMI can cause crashes with Nvidia Optimus and some netbooks
// see http://trac.wildfiregames.com/ticket/1952
// http://trac.wildfiregames.com/ticket/1575
wchar_t cardName[128];
const char* vendor = (const char*)glGetString(GL_VENDOR);
const char* renderer = (const char*)glGetString(GL_RENDERER);
// (happens if called before ogl_Init or between glBegin and glEnd.)
if(!vendor || !renderer)
return L"";
swprintf_s(cardName, ARRAY_SIZE(cardName), L"%hs %hs", vendor, renderer);
// remove crap from vendor names. (don't dare touch the model name -
// it's too risky, there are too many different strings)
#define SHORTEN(what, charsToKeep)\
if(!wcsncmp(cardName, what, ARRAY_SIZE(what)-1))\
memmove(cardName+charsToKeep, cardName+ARRAY_SIZE(what)-1, (wcslen(cardName)-(ARRAY_SIZE(what)-1)+1)*sizeof(wchar_t));
SHORTEN(L"ATI Technologies Inc.", 3);
SHORTEN(L"NVIDIA Corporation", 6);
SHORTEN(L"S3 Graphics", 2); // returned by EnumDisplayDevices
SHORTEN(L"S3 Graphics, Incorporated", 2); // returned by GL_VENDOR
#undef SHORTEN
return cardName;
}
std::wstring DriverInfo()
{
std::wstring driverInfo;
#if OS_WIN
driverInfo = wgfx_DriverInfo();
if(driverInfo.empty())
#endif
{
const char* version = (const char*)glGetString(GL_VERSION);
if(version)
{
// add "OpenGL" to differentiate this from the real driver version
// (returned by platform-specific detect routines).
driverInfo = std::wstring(L"OpenGL ") + std::wstring(version, version+strlen(version));
}
}
if(driverInfo.empty())
return L"(unknown)";
return driverInfo;
}
size_t MemorySizeMiB()
{
// TODO: not implemented, SDL_GetVideoInfo only works on some platforms in SDL 1.2
// and no replacement is available in SDL2, and it can crash with Nvidia Optimus
// see http://trac.wildfiregames.com/ticket/2145
debug_warn(L"MemorySizeMiB not implemented");
return 0;
}
} // namespace gfx
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