129 lines
3.9 KiB
C
129 lines
3.9 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 //
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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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qboolean srgb;
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int bpp;
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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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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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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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qboolean srgb; /*we're forcing linear fragment shaders, both inputs and outputs (and not using srgb as a gamma hack)*/
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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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} 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_8to24bgrtable[256];
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#ifdef GLQUAKE
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//called when gamma ramps need to be reapplied
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qboolean GLVID_ApplyGammaRamps (unsigned int size, unsigned short *ramps);
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qboolean GLVID_Init (rendererstate_t *info, unsigned char *palette);
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// Called at startup to set up translation tables, takes 256 8 bit RGB values
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// the palette data will go away after the call, so it must be copied off if
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// the video driver will need it again
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void GLVID_Shutdown (void);
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// Called at shutdown
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void GLVID_Crashed(void);
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void GLVID_Update (vrect_t *rects);
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// flushes the given rectangles from the view buffer to the screen
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void GLVID_SwapBuffers(void);
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enum uploadfmt;
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char *GLVID_GetRGBInfo(int *bytestride, int *truewidth, int *trueheight, enum uploadfmt *fmt);
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void GLVID_SetCaption(const char *caption);
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#endif
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