124 lines
4.4 KiB
C
124 lines
4.4 KiB
C
/*
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Copyright (C) 1996-1997 Id Software, Inc.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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// vid.h -- video driver defs
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#define VID_CBITS 6
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#define VID_GRADES (1 << VID_CBITS)
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// a pixel can be one, two, or four bytes
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typedef qbyte pixel_t;
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typedef enum
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{
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QR_NONE, //server-style operation (no rendering).
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QR_HEADLESS, //no window/rendering at all (system tray only)
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QR_OPENGL, //gl+gles+etc.
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QR_DIRECT3D9, //
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QR_DIRECT3D11, //
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QR_SOFTWARE, //not worth using
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QR_VULKAN, //
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QR_DIRECT3D12, //no implementation
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QR_METAL, //no implementation
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QR_DIRECT3D8 //liimted. available for win95 where d3d8.1+ does not. also only renderer supported on the original xbox, if that's ever relevant.
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} r_qrenderer_t;
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typedef struct {
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//you are not allowed to make anything not work if it's not based on these vars...
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int width;
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int height;
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int fullscreen; //0 = windowed. 1 = fullscreen (mode changes). 2 = borderless+maximized
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qboolean stereo;
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int srgb; //<0 = gamma-only. 0 = no srgb at all, >0 full srgb, including textures and stuff
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int bpp; //16, 24(aka 32), 30, and 48 are meaningful
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int rate;
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int wait; //-1 = default, 0 = off, 1 = on, 2 = every other
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int multisample; //for opengl antialiasing (which requires context stuff)
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int triplebuffer;
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char subrenderer[MAX_QPATH];
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char devicename[MAX_QPATH];
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struct rendererinfo_s *renderer;
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} rendererstate_t;
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#ifndef SERVERONLY
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extern rendererstate_t currentrendererstate;
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#endif
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typedef struct vrect_s
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{
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float x,y,width,height;
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} vrect_t;
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typedef struct
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{
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int x;
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int y;
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int width;
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int height;
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int maxheight; //vid.pixelheight or so
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} pxrect_t;
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//srgb colourspace displays smoother visual gradients, but its more of an illusion than anything else.
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//
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#define VID_SRGBAWARE (1u<<0) //we need to convert input srgb values to actual linear values (requires vid_reload to change...)
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#define VID_SRGB_FB_LINEAR (1u<<1) //framebuffer is linear (either the presentation engine is linear, or the blend unit is faking it)
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#define VID_SRGB_FB_FAKED (1u<<2) //renderer is faking it with a linear texture
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#define VID_SRGB_CAPABLE (1u<<3) //we can toggle VID_SRGB_FB_LINEARISED on or off.
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#define VID_FP16 (1u<<4) //use 16bit currentrender etc to avoid banding
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#define VID_SRGB_FB (VID_SRGB_FB_LINEAR|VID_SRGB_FB_FAKED)
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typedef struct
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{
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qboolean activeapp;
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qboolean isminimized; //can omit rendering as it won't be seen anyway.
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int fullbright; // index of first fullbright color
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int gammarampsize; //typically 256. but can be up to 1024 (yay 10-bit hardware that's crippled to only actually use 8)
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unsigned fbvwidth; /*virtual 2d width of the current framebuffer image*/
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unsigned fbvheight; /*virtual 2d height*/
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unsigned fbpwidth; /*physical 2d width of the current framebuffer image*/
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unsigned fbpheight; /*physical 2d height*/
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struct image_s *framebuffer; /*the framebuffer fbo (set by democapture)*/
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unsigned width; /*virtual 2d screen width*/
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unsigned height; /*virtual 2d screen height*/
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int numpages;
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unsigned int flags; //VID_* flags
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unsigned rotpixelwidth; /*width after rotation in pixels*/
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unsigned rotpixelheight; /*pixel after rotation in pixels*/
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unsigned pixelwidth; /*true height in pixels*/
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unsigned pixelheight; /*true width in pixels*/
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float dpi_x;
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float dpi_y;
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conchar_t *ime_preview; //pending IME preview text that has been entered but isn't committed yet. set by video code.
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size_t ime_previewlen;
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size_t ime_caret;
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float ime_position[2]; //where to display any ime popups (virtual coords)
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qboolean ime_allow; //enable the ime (ie: at the console or messagemode)
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} viddef_t;
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extern viddef_t vid; // global video state
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extern unsigned int d_8to24rgbtable[256];
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extern unsigned int d_8to24srgbtable[256];
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extern unsigned int d_8to24bgrtable[256];
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extern unsigned int d_quaketo24srgbtable[256];
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