87 lines
2.8 KiB
C
87 lines
2.8 KiB
C
/* Copyright (c) 2010 Wildfire Games
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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/*
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* graphics card detection.
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*/
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#ifndef INCLUDED_GFX
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#define INCLUDED_GFX
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const size_t GFX_CARD_LEN = 128;
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/**
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* description of graphics card.
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* initial value is "".
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**/
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extern wchar_t gfx_card[GFX_CARD_LEN];
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// note: increased from 64 by Joe Cocovich; this large size is necessary
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// because there must be enough space to list the versions of all drivers
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// mentioned in the registry (including unused remnants).
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const size_t GFX_DRV_VER_LEN = 256;
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/**
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* (OpenGL) graphics driver identification and version.
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* initial value is "".
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**/
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extern wchar_t gfx_drv_ver[GFX_DRV_VER_LEN];
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/**
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* approximate amount of graphics memory [MiB]
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**/
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extern int gfx_mem;
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/**
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* detect graphics card and set the above information.
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**/
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extern void gfx_detect();
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/**
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* get current video mode.
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*
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* this is useful when choosing a new video mode.
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*
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* @param xres, yres (optional out) resolution [pixels]
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* @param bpp (optional out) bits per pixel
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* @param freq (optional out) vertical refresh rate [Hz]
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* @return LibError; INFO::OK unless: some information was requested
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* (i.e. pointer is non-NULL) but cannot be returned.
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* on failure, the outputs are all left unchanged (they are
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* assumed initialized to defaults)
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**/
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extern LibError gfx_get_video_mode(int* xres, int* yres, int* bpp, int* freq);
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/**
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* get monitor dimensions.
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*
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* this is useful for determining aspect ratio.
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*
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* @param width_mm (out) screen width [mm]
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* @param height_mm (out) screen height [mm]
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* @return LibError. on failure, the outputs are all left unchanged
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* on failure, the outputs are all left unchanged (they are
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* assumed initialized to defaults)
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**/
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extern LibError gfx_get_monitor_size(int& width_mm, int& height_mm);
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#endif // #ifndef INCLUDED_GFX
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