glquake/source/vid_ctr.c
2022-06-18 22:35:28 -07:00

115 lines
2.5 KiB
C

/*
Copyright (C) 1996-1997 Id Software, Inc.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "quakedef.h"
#include "d_local.h"
#include <3ds.h>
viddef_t vid; // global video state
#define BASEWIDTH 400
#define BASEHEIGHT 240
byte vid_buffer[BASEWIDTH*BASEHEIGHT];
short zbuffer[BASEWIDTH*BASEHEIGHT];
byte surfcache[512*1024];
uint16_t *framebuffer;
uint16_t d_8to16table[256];
void VID_SetPalette (unsigned char *palette)
{
int i;
unsigned char r, g, b;
if(palette==NULL)
return;
for(i = 0; i < 256; i++){
r = palette[i*3+0];
g = palette[i*3+1];
b = palette[i*3+2];
d_8to16table[i] = RGB8_to_565(r,g,b);
}
}
void VID_ShiftPalette (unsigned char *palette)
{
VID_SetPalette(palette);
}
void VID_Init (unsigned char *palette)
{
vid.maxwarpwidth = WARP_WIDTH;
vid.maxwarpheight = WARP_HEIGHT;
vid.width = vid.conwidth = BASEWIDTH;
vid.height = vid.conheight = BASEHEIGHT;
vid.aspect = 1.0;
vid.numpages = 1;
vid.colormap = host_colormap;
vid.fullbright = 256 - LittleLong (*((int *)vid.colormap + 2048));
vid.buffer = vid.conbuffer = vid_buffer;
vid.rowbytes = vid.conrowbytes = BASEWIDTH;
d_pzbuffer = zbuffer;
D_InitCaches (surfcache, sizeof(surfcache));
VID_SetPalette(palette);
framebuffer = (uint16_t*)gfxGetFramebuffer(GFX_TOP, GFX_LEFT, NULL, NULL);
}
void VID_Shutdown (void)
{
}
void VID_Update (vrect_t *rects)
{
int x, y;
for(x=0; x<400; x++)
{
for(y=0; y<240;y++)
{
framebuffer[(x*240 + (239 -y))] = d_8to16table[vid.buffer[y*400 + x]];
}
}
}
/*
================
D_BeginDirectRect
================
*/
void D_BeginDirectRect (int x, int y, byte *pbitmap, int width, int height)
{
}
/*
================
D_EndDirectRect
================
*/
void D_EndDirectRect (int x, int y, int width, int height)
{
}