fceux/src/drivers/Qt/sdl-video.cpp

469 lines
10 KiB
C++

/* FCE Ultra - NES/Famicom Emulator
*
* Copyright notice for this file:
* Copyright (C) 2002 Xodnizel
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/// \file
/// \brief Handles the graphical game display for the SDL implementation.
#include "Qt/sdl.h"
#include "Qt/nes_shm.h"
#include "common/vidblit.h"
#include "../../fceu.h"
#include "../../version.h"
#include "../../video.h"
#include "utils/memory.h"
#include "Qt/dface.h"
#include "common/configSys.h"
#include "Qt/sdl-video.h"
#include "Qt/fceuWrapper.h"
#ifdef CREATE_AVI
#include "../videolog/nesvideos-piece.h"
#endif
#include <cstdio>
#include <cstring>
#include <cstdlib>
#if __BYTE_ORDER == __LITTLE_ENDIAN
#define LSB_FIRST
#endif
// GLOBALS
extern Config *g_config;
extern bool force_grayscale;
// STATIC GLOBALS
static int s_curbpp = 0;
static int s_srendline, s_erendline;
static int s_tlines;
static int s_inited = 0;
//#ifdef OPENGL
//static int s_useOpenGL = 0;
//#endif
static double s_exs = 1.0, s_eys = 1.0;
static int s_eefx = 0;
static int s_clipSides = 0;
static int s_fullscreen = 0;
static int noframe = 0;
static int initBlitToHighDone = 0;
#define NWIDTH (256 - (s_clipSides ? 16 : 0))
#define NOFFSET (s_clipSides ? 8 : 0)
static int s_paletterefresh = 1;
extern bool MaxSpeed;
/**
* Attempts to destroy the graphical video display. Returns 0 on
* success, -1 on failure.
*/
//draw input aids if we are fullscreen
bool FCEUD_ShouldDrawInputAids()
{
return s_fullscreen!=0;
}
int
KillVideo()
{
//printf("Killing Video\n");
if ( nes_shm != NULL )
{
nes_shm->clear_pixbuf();
}
//destroy_gui_video();
// return failure if the video system was not initialized
if (s_inited == 0)
return -1;
// if the rest of the system has been initialized, shut it down
// // shut down the system that converts from 8 to 16/32 bpp
// if (s_curbpp > 8)
// {
// KillBlitToHigh();
// }
// SDL Video system is not used.
// shut down the SDL video sub-system
//SDL_QuitSubSystem(SDL_INIT_VIDEO);
s_inited = 0;
return 0;
}
// this variable contains information about the special scaling filters
static int s_sponge = 0;
/**
* These functions determine an appropriate scale factor for fullscreen/
*/
inline double GetXScale(int xres)
{
return ((double)xres) / NWIDTH;
}
inline double GetYScale(int yres)
{
return ((double)yres) / s_tlines;
}
void FCEUD_VideoChanged()
{
int buf;
g_config->getOption("SDL.PAL", &buf);
if(buf == 1)
PAL = 1;
else
PAL = 0; // NTSC and Dendy
}
int InitVideo(FCEUGI *gi)
{
int doublebuf, xstretch, ystretch, xres, yres, show_fps;
FCEUI_printf("Initializing video...");
// load the relevant configuration variables
g_config->getOption("SDL.Fullscreen", &s_fullscreen);
g_config->getOption("SDL.DoubleBuffering", &doublebuf);
//#ifdef OPENGL
// g_config->getOption("SDL.OpenGL", &s_useOpenGL);
//#endif
//g_config->getOption("SDL.SpecialFilter", &s_sponge);
g_config->getOption("SDL.XStretch", &xstretch);
g_config->getOption("SDL.YStretch", &ystretch);
//g_config->getOption("SDL.LastXRes", &xres);
//g_config->getOption("SDL.LastYRes", &yres);
g_config->getOption("SDL.ClipSides", &s_clipSides);
g_config->getOption("SDL.NoFrame", &noframe);
g_config->getOption("SDL.ShowFPS", &show_fps);
//g_config->getOption("SDL.XScale", &s_exs);
//g_config->getOption("SDL.YScale", &s_eys);
uint32_t rmask, gmask, bmask;
s_sponge = 0;
s_exs = 1.0;
s_eys = 1.0;
xres = gui_draw_area_width;
yres = gui_draw_area_height;
// check the starting, ending, and total scan lines
FCEUI_GetCurrentVidSystem(&s_srendline, &s_erendline);
s_tlines = s_erendline - s_srendline + 1;
//init_gui_video( s_useOpenGL );
s_inited = 1;
// check to see if we are showing FPS
FCEUI_SetShowFPS(show_fps);
#ifdef LSB_FIRST
rmask = 0x00FF0000;
gmask = 0x0000FF00;
bmask = 0x000000FF;
#else
rmask = 0x00FF0000;
gmask = 0x0000FF00;
bmask = 0x000000FF;
#endif
s_curbpp = 32; // Bits per pixel is always 32
FCEU_printf(" Video Mode: %d x %d x %d bpp %s\n",
xres, yres, s_curbpp,
s_fullscreen ? "full screen" : "");
if (s_curbpp != 8 && s_curbpp != 16 && s_curbpp != 24 && s_curbpp != 32)
{
FCEU_printf(" Sorry, %dbpp modes are not supported by FCE Ultra. Supported bit depths are 8bpp, 16bpp, and 32bpp.\n", s_curbpp);
KillVideo();
return -1;
}
if ( !initBlitToHighDone )
{
InitBlitToHigh(s_curbpp >> 3,
rmask,
gmask,
bmask,
s_eefx, s_sponge, 0);
initBlitToHighDone = 1;
}
return 0;
}
/**
* Toggles the full-screen display.
*/
void ToggleFS(void)
{
// pause while we we are making the switch
bool paused = FCEUI_EmulationPaused();
if(!paused)
FCEUI_ToggleEmulationPause();
// flip the fullscreen flag
g_config->setOption("SDL.Fullscreen", !s_fullscreen);
// TODO Call method to make full Screen
// if we paused to make the switch; unpause
if(!paused)
FCEUI_ToggleEmulationPause();
}
static SDL_Color s_psdl[256];
/**
* Sets the color for a particular index in the palette.
*/
void
FCEUD_SetPalette(uint8 index,
uint8 r,
uint8 g,
uint8 b)
{
if ( force_grayscale )
{
// convert the palette entry to grayscale
int gray = ((float)r * 0.299 + (float)g * 0.587 + (float)b * 0.114);
s_psdl[index].r = gray;
s_psdl[index].g = gray;
s_psdl[index].b = gray;
}
else
{
s_psdl[index].r = r;
s_psdl[index].g = g;
s_psdl[index].b = b;
}
s_paletterefresh = 1;
}
/**
* Gets the color for a particular index in the palette.
*/
void
FCEUD_GetPalette(uint8 index,
uint8 *r,
uint8 *g,
uint8 *b)
{
*r = s_psdl[index].r;
*g = s_psdl[index].g;
*b = s_psdl[index].b;
}
/**
* Pushes the palette structure into the underlying video subsystem.
*/
static void RedoPalette()
{
if (s_curbpp > 8)
{
//printf("Refresh Palette\n");
SetPaletteBlitToHigh((uint8*)s_psdl);
}
}
// XXX soules - console lock/unlock unimplemented?
///Currently unimplemented.
void LockConsole(){}
///Currently unimplemented.
void UnlockConsole(){}
static int testPattern = 0;
static void WriteTestPattern(void)
{
int i, j, k;
k=0;
for (i=0; i<GL_NES_WIDTH; i++)
{
for (j=0; j<GL_NES_HEIGHT; j++)
{
nes_shm->pixbuf[k] = 0xffffffff; k++;
}
}
}
/**
* Pushes the given buffer of bits to the screen.
*/
void
BlitScreen(uint8 *XBuf)
{
uint8 *dest;
int w, h, pitch;
// refresh the palette if required
if (s_paletterefresh)
{
RedoPalette();
s_paletterefresh = 0;
}
// XXX soules - not entirely sure why this is being done yet
XBuf += s_srendline * 256;
dest = (uint8*)nes_shm->pixbuf;
w = GL_NES_WIDTH;
h = GL_NES_HEIGHT;
pitch = w*4;
nes_shm->ncol = NWIDTH;
nes_shm->nrow = s_tlines;
nes_shm->pitch = pitch;
if ( dest == NULL ) return;
if ( testPattern )
{
WriteTestPattern();
}
else
{
Blit8ToHigh(XBuf + NOFFSET, dest, NWIDTH, s_tlines, pitch, 1, 1);
}
nes_shm->blitUpdated = 1;
//guiPixelBufferReDraw();
#ifdef CREATE_AVI
{ int fps = FCEUI_GetDesiredFPS();
static unsigned char* result = NULL;
static unsigned resultsize = 0;
int width = NWIDTH, height = s_tlines;
if(!result || resultsize != width*height*3*2)
{
if(result) free(result);
result = (unsigned char*) FCEU_dmalloc(resultsize = width*height*3*2);
}
switch(s_curbpp)
{
#if 0
case 24: case 32: case 15: case 16:
/* Convert to I420 if possible, because our I420 conversion is optimized
* and it'll produce less network traffic, hence faster throughput than
* anything else. And H.264 eats only I420, so it'd be converted sooner
* or later anyway if we didn't do it. Win-win situation.
*/
switch(s_curbpp)
{
case 32: Convert32To_I420Frame(s_screen->pixels, &result[0], width*height, width); break;
case 24: Convert24To_I420Frame(s_screen->pixels, &result[0], width*height, width); break;
case 15: Convert15To_I420Frame(s_screen->pixels, &result[0], width*height, width); break;
case 16: Convert16To_I420Frame(s_screen->pixels, &result[0], width*height, width); break;
}
NESVideoLoggingVideo(&result[0], width,height, fps, 12);
break;
#endif
default:
NESVideoLoggingVideo( dest, width,height, fps, s_curbpp);
}
}
#endif // CREATE_AVI
#if REALTIME_LOGGING
{
static struct timeval last_time;
static int first_time=1;
extern long soundrate;
struct timeval cur_time;
gettimeofday(&cur_time, NULL);
double timediff =
(cur_time.tv_sec *1e6 + cur_time.tv_usec
- (last_time.tv_sec *1e6 + last_time.tv_usec)) / 1e6;
int nframes = timediff * 60 - 1;
if(first_time)
first_time = 0;
else while(nframes > 0)
{
static const unsigned char Buf[800*4] = {0};
NESVideoLoggingVideo(screen->pixels, 256,tlines, FCEUI_GetDesiredFPS(), s_curbpp);
NESVideoLoggingAudio(Buf, soundrate,16,1, soundrate/60.0);
--nframes;
}
memcpy(&last_time, &cur_time, sizeof(last_time));
}
#endif // REALTIME_LOGGING
}
/**
* Converts an x-y coordinate in the window manager into an x-y
* coordinate on FCEU's screen.
*/
uint32
PtoV(uint16 x,
uint16 y)
{
y = (uint16)((double)y / s_eys);
x = (uint16)((double)x / s_exs);
if(s_clipSides) {
x += 8;
}
y += s_srendline;
return (x | (y << 16));
}
bool enableHUDrecording = false;
bool FCEUI_AviEnableHUDrecording()
{
if (enableHUDrecording)
return true;
return false;
}
void FCEUI_SetAviEnableHUDrecording(bool enable)
{
enableHUDrecording = enable;
}
bool disableMovieMessages = false;
bool FCEUI_AviDisableMovieMessages()
{
if (disableMovieMessages)
return true;
return false;
}
void FCEUI_SetAviDisableMovieMessages(bool disable)
{
disableMovieMessages = disable;
}