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/* Cygne
*
* Copyright notice for this file:
* Copyright (C) 2002 Dox dox@space.pl
*
* 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 <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <SDL/SDL.h>
#include <sys/time.h>
#include <sys/types.h>
#include "mednafen.h"
#include "mempatcher.h"
#include "wswan/gfx.h"
#include "wswan/wswan-memory.h"
#include "wswan/sound.h"
#include "wswan/interrupt.h"
#include "wswan/v30mz.h"
#include "wswan/rtc.h"
#include "wswan/gfx.h"
#include "wswan/eeprom.h"
#include "video_blit.h"
#include "scaler.h"
#include "config.h"
SDL_Surface *sdl_screen, *backbuffer, *wswan_vs, *wswan_vs_rot;
uint32_t width_of_surface;
uint32_t* Draw_to_Virtual_Screen;
void Init_Video()
{
SDL_Init( SDL_INIT_VIDEO );
SDL_ShowCursor(0);
sdl_screen = SDL_SetVideoMode(0, 0, 16, SDL_HWSURFACE);
backbuffer = SDL_CreateRGBSurface(SDL_SWSURFACE, HOST_WIDTH_RESOLUTION, HOST_HEIGHT_RESOLUTION, 16, 0,0,0,0);
wswan_vs = SDL_CreateRGBSurface(SDL_SWSURFACE, INTERNAL_WSWAN_WIDTH, INTERNAL_WSWAN_HEIGHT, 16, 0,0,0,0);
wswan_vs_rot = SDL_CreateRGBSurface(SDL_SWSURFACE, INTERNAL_WSWAN_HEIGHT, INTERNAL_WSWAN_WIDTH, 16, 0,0,0,0);
Set_Video_InGame();
}
void Set_Video_Menu()
{
if (sdl_screen->w != HOST_WIDTH_RESOLUTION)
{
memcpy(wswan_vs->pixels, sdl_screen->pixels, (INTERNAL_WSWAN_WIDTH * INTERNAL_WSWAN_HEIGHT)*2);
sdl_screen = SDL_SetVideoMode(HOST_WIDTH_RESOLUTION, HOST_HEIGHT_RESOLUTION, 16, SDL_HWSURFACE);
}
}
void Set_Video_InGame()
{
if (sdl_screen->w != HOST_WIDTH_RESOLUTION) sdl_screen = SDL_SetVideoMode(HOST_WIDTH_RESOLUTION, HOST_HEIGHT_RESOLUTION, 16, SDL_HWSURFACE);
Draw_to_Virtual_Screen = wswan_vs->pixels;
width_of_surface = INTERNAL_WSWAN_WIDTH;
}
void Video_Close()
{
if (sdl_screen) SDL_FreeSurface(sdl_screen);
if (backbuffer) SDL_FreeSurface(backbuffer);
if (wswan_vs) SDL_FreeSurface(wswan_vs);
if (wswan_vs_rot) SDL_FreeSurface(wswan_vs_rot);
SDL_Quit();
}
void Update_Video_Menu()
{
SDL_Flip(sdl_screen);
}
static void rotate_90_ccw(uint16_t* restrict dst, uint16_t* restrict src)
{
int32_t h = 224, w = 144;
src += w * h - 1;
for (int32_t col = w - 1; col >= 0; --col)
{
uint16_t *outcol = dst + col;
for(int32_t row = 0; row < h; ++row, outcol += w)
{
*outcol = *src--;
}
}
}
void Update_Video_Ingame()
{
uint32_t internal_width, internal_height, keep_aspect_width, keep_aspect_height;
uint16_t* restrict source_graph;
if ((Wswan_IsVertical() == 1 && option.orientation_settings != 2) || option.orientation_settings == 1)
{
rotate_90_ccw((uint16_t* restrict)wswan_vs_rot->pixels, (uint16_t* restrict)wswan_vs->pixels);
internal_width = INTERNAL_WSWAN_HEIGHT;
internal_height = INTERNAL_WSWAN_WIDTH;
source_graph = (uint16_t* restrict)wswan_vs_rot->pixels;
keep_aspect_width = ((HOST_HEIGHT_RESOLUTION / INTERNAL_WSWAN_HEIGHT) * INTERNAL_WSWAN_WIDTH) / 2;
if (keep_aspect_width > HOST_WIDTH_RESOLUTION) keep_aspect_width -= HOST_WIDTH_RESOLUTION/2;
keep_aspect_height = HOST_HEIGHT_RESOLUTION;
}
else
{
internal_width = INTERNAL_WSWAN_WIDTH;
internal_height = INTERNAL_WSWAN_HEIGHT;
source_graph = (uint16_t* restrict)wswan_vs->pixels;
keep_aspect_width = HOST_WIDTH_RESOLUTION;
keep_aspect_height = ((HOST_WIDTH_RESOLUTION / INTERNAL_WSWAN_WIDTH) * INTERNAL_WSWAN_HEIGHT);
if (keep_aspect_height > HOST_HEIGHT_RESOLUTION) keep_aspect_height -= HOST_HEIGHT_RESOLUTION/4;
}
if (SDL_LockSurface(sdl_screen) == 0)
{
switch(option.fullscreen)
{
// Fullscreen
case 0:
bitmap_scale(0,0,internal_width,internal_height,internal_width*2,internal_height*2,internal_width, HOST_WIDTH_RESOLUTION - (internal_width*2),(uint16_t* restrict)source_graph,(uint16_t* restrict)sdl_screen->pixels+(HOST_WIDTH_RESOLUTION-(internal_width*2))/2+(HOST_HEIGHT_RESOLUTION-(internal_height*2))/2*HOST_WIDTH_RESOLUTION);
break;
// Fullscreen
case 1:
bitmap_scale(0, 0, internal_width, internal_height, HOST_WIDTH_RESOLUTION, HOST_HEIGHT_RESOLUTION, internal_width, 0, (uint16_t* restrict)source_graph, (uint16_t* restrict)sdl_screen->pixels);
break;
case 2:
bitmap_scale(0,0,internal_width,internal_height,keep_aspect_width,keep_aspect_height,internal_width, HOST_WIDTH_RESOLUTION - keep_aspect_width,(uint16_t* restrict)source_graph,(uint16_t* restrict)sdl_screen->pixels+(HOST_WIDTH_RESOLUTION-keep_aspect_width)/2+(HOST_HEIGHT_RESOLUTION-keep_aspect_height)/2*HOST_WIDTH_RESOLUTION);
break;
// Hqx
case 3:
break;
}
SDL_UnlockSurface(sdl_screen);
}
SDL_Flip(sdl_screen);
}
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