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proper code to change video modes

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dborth 2009-09-16 07:55:07 +00:00
parent 3a46df0520
commit 15e802c410
2 changed files with 66 additions and 75 deletions
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3
source/ngc/oggplayer.h
View File

@ -2,6 +2,9 @@
Copyright (c) 2008 Francisco Muñoz 'Hermes' <www.elotrolado.net>
All rights reserved.
Proper (standard) vorbis usage by Tantric, 2009
Threading modifications/corrections by Tantric, 2009
Redistribution and use in source and binary forms, with or without modification, are
permitted provided that the following conditions are met:

138
source/ngc/video.cpp
View File

@ -30,8 +30,7 @@ u32 FrameTimer = 0;
/*** External 2D Video ***/
/*** 2D Video Globals ***/
static GXRModeObj *vmode = NULL; // Graphics Mode Object
static int currentVideoMode = -1; // -1 - not set, 0 - automatic, 1 - NTSC (480i), 2 - Progressive (480p), 3 - PAL (50Hz), 4 - PAL (60Hz)
unsigned int *xfb[2]; // Framebuffers
unsigned int *xfb[2] = { NULL, NULL }; // Framebuffers
int whichfb = 0; // Frame buffer toggle
static Mtx GXmodelView2D;
@ -39,8 +38,8 @@ static Mtx GXmodelView2D;
u8 * gameScreenTex = NULL; // a GX texture screen capture of the game
u8 * gameScreenTex2 = NULL; // a GX texture screen capture of the game (copy)
int screenheight;
int screenwidth;
int screenheight = 480;
int screenwidth = 640;
/*** 3D GX ***/
#define DEFAULT_FIFO_SIZE ( 256 * 1024 )
@ -300,50 +299,46 @@ void StopGX()
}
/****************************************************************************
* SetupVideoMode
* FindVideoMode
*
* Finds the optimal video mode, or uses the user-specified one
* Also configures original video modes
***************************************************************************/
static void SetupVideoMode()
static GXRModeObj * FindVideoMode()
{
if(currentVideoMode == GCSettings.videomode)
return; // no need to do anything
GXRModeObj * mode;
// choose the desired video mode
switch(GCSettings.videomode)
{
case 1: // NTSC (480i)
vmode = &TVNtsc480IntDf;
mode = &TVNtsc480IntDf;
break;
case 2: // Progressive (480p)
vmode = &TVNtsc480Prog;
mode = &TVNtsc480Prog;
break;
case 3: // PAL (50Hz)
vmode = &TVPal528IntDf;
mode = &TVPal528IntDf;
break;
case 4: // PAL (60Hz)
vmode = &TVEurgb60Hz480IntDf;
mode = &TVEurgb60Hz480IntDf;
break;
default:
vmode = VIDEO_GetPreferredMode(NULL);
mode = VIDEO_GetPreferredMode(NULL);
#ifdef HW_DOL
/* we have component cables, but the preferred mode is interlaced
* why don't we switch into progressive?
* on the Wii, the user can do this themselves on their Wii Settings */
if(VIDEO_HaveComponentCable())
vmode = &TVNtsc480Prog;
mode = &TVNtsc480Prog;
#endif
// use hardware vertical scaling to fill screen
//if(vmode->viTVMode >> 2 == VI_PAL)
// vmode = &TVPal574IntDfScale;
break;
}
// configure original modes (not implemented)
switch (vmode->viTVMode >> 2)
switch (mode->viTVMode >> 2)
{
case VI_PAL:
// 576 lines (PAL 50hz)
@ -359,7 +354,7 @@ static void SetupVideoMode()
}
// check for progressive scan
if (vmode->viTVMode == VI_TVMODE_NTSC_PROG)
if (mode->viTVMode == VI_TVMODE_NTSC_PROG)
progressive = true;
else
progressive = false;
@ -368,11 +363,51 @@ static void SetupVideoMode()
// widescreen fix
if(CONF_GetAspectRatio() == CONF_ASPECT_16_9)
{
vmode->viWidth = VI_MAX_WIDTH_PAL;
mode->viWidth = VI_MAX_WIDTH_PAL;
}
#endif
currentVideoMode = GCSettings.videomode;
return mode;
}
/****************************************************************************
* SetupVideoMode
*
* Sets up the given video mode
***************************************************************************/
static void SetupVideoMode(GXRModeObj * mode)
{
if(vmode == mode)
return;
VIDEO_SetPostRetraceCallback (NULL);
copynow = GX_FALSE;
VIDEO_Configure (mode);
VIDEO_Flush();
// Allocate the video buffers
if(xfb[0]) free(MEM_K1_TO_K0(xfb[0]));
if(xfb[1]) free(MEM_K1_TO_K0(xfb[1]));
xfb[0] = (u32 *) MEM_K0_TO_K1 (SYS_AllocateFramebuffer (mode));
xfb[1] = (u32 *) MEM_K0_TO_K1 (SYS_AllocateFramebuffer (mode));
// Clear framebuffers etc.
VIDEO_ClearFrameBuffer (mode, xfb[0], COLOR_BLACK);
VIDEO_ClearFrameBuffer (mode, xfb[1], COLOR_BLACK);
VIDEO_SetNextFramebuffer (xfb[0]);
VIDEO_SetBlack (FALSE);
VIDEO_Flush ();
VIDEO_WaitVSync ();
if (mode->viTVMode & VI_NON_INTERLACE)
VIDEO_WaitVSync();
else
while (VIDEO_GetNextField())
VIDEO_WaitVSync();
VIDEO_SetPostRetraceCallback ((VIRetraceCallback)copy_to_xfb);
vmode = mode;
}
/****************************************************************************
@ -385,36 +420,8 @@ static void SetupVideoMode()
void
InitializeVideo ()
{
SetupVideoMode();
VIDEO_Configure (vmode);
screenheight = 480;
screenwidth = 640;
// Allocate the video buffers
xfb[0] = (u32 *) MEM_K0_TO_K1 (SYS_AllocateFramebuffer (vmode));
xfb[1] = (u32 *) MEM_K0_TO_K1 (SYS_AllocateFramebuffer (vmode));
// A console is always useful while debugging
//console_init (xfb[0], 20, 64, vmode->fbWidth, vmode->xfbHeight, vmode->fbWidth * 2);
// Clear framebuffers etc.
VIDEO_ClearFrameBuffer (vmode, xfb[0], COLOR_BLACK);
VIDEO_ClearFrameBuffer (vmode, xfb[1], COLOR_BLACK);
VIDEO_SetNextFramebuffer (xfb[0]);
VIDEO_SetPostRetraceCallback ((VIRetraceCallback)copy_to_xfb);
VIDEO_SetBlack (FALSE);
VIDEO_Flush();
VIDEO_WaitVSync();
if(vmode->viTVMode & VI_NON_INTERLACE)
VIDEO_WaitVSync();
copynow = GX_FALSE;
GXRModeObj *rmode = FindVideoMode();
SetupVideoMode(rmode);
StartGX ();
InitVideoThread ();
@ -505,21 +512,10 @@ static inline void UpdateScaling()
void
ResetVideo_Emu ()
{
SetupVideoMode();
GXRModeObj *rmode = vmode; // same mode as menu
Mtx44 p;
GXRModeObj * rmode = FindVideoMode();
// reconfigure VI
VIDEO_Configure (rmode);
VIDEO_ClearFrameBuffer (vmode, xfb[whichfb], COLOR_BLACK);
VIDEO_Flush();
VIDEO_WaitVSync();
if (rmode->viTVMode & VI_NON_INTERLACE)
VIDEO_WaitVSync();
else
while (VIDEO_GetNextField())
VIDEO_WaitVSync();
SetupVideoMode(rmode); // reconfigure VI
VIDEO_SetPreRetraceCallback(NULL);
// reconfigure GX
@ -730,17 +726,9 @@ ResetVideo_Menu ()
Mtx44 p;
f32 yscale;
u32 xfbHeight;
GXRModeObj * rmode = FindVideoMode();
SetupVideoMode();
VIDEO_Configure (vmode);
VIDEO_Flush();
VIDEO_WaitVSync();
if (vmode->viTVMode & VI_NON_INTERLACE)
VIDEO_WaitVSync();
else
while (VIDEO_GetNextField())
VIDEO_WaitVSync();
SetupVideoMode(rmode); // reconfigure VI
VIDEO_SetPreRetraceCallback((VIRetraceCallback)UpdatePads);
// clears the bg to color and clears the z buffer