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add support for using an actual 240p mode for 320x240

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This commit is contained in:
Gered 2016-10-30 13:14:40 -04:00
parent 34179cedeb
commit c40dab22fe
2 changed files with 44 additions and 3 deletions
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2
SDL/src/main/wii/SDL_wii_main.c
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@ -66,7 +66,7 @@ int main(int argc, char *argv[])
SYS_SetResetCallback(ResetCB);
#endif
PAD_Init();
WII_InitVideoSystem();
//WII_InitVideoSystem();
#ifdef HW_RVL
WPAD_SetDataFormat(WPAD_CHAN_ALL,WPAD_FMT_BTNS_ACC_IR);
WPAD_SetVRes(WPAD_CHAN_ALL, 640, 480);

45
SDL/src/video/wii/SDL_wiivideo.c
View file

@ -275,7 +275,22 @@ StartVideoThread()
static int WII_VideoInit(_THIS, SDL_PixelFormat *vformat)
{
// Set up the modes.
VIDEO_Init();
// VIDEO_GetPreferredMode will basically always return 480p or 480i (or
// the PAL equivalents). since we're only allowing 640x480 and 320x240
// SDL video modes, we can just use the 480p/480i video mode framebuffer
// properties to configure our SDL list of allowed video modes.
//
// the (eventual) call to SDL_SetVideoMode will reset vmode to something
// more closely matching the flags provided and the width/height
// requested (e.g. use real 240p for 320x240 instead of scaling up 2x and
// always using 480p or 480i ... unless the flags used call for that
// specifically!)
vmode = VIDEO_GetPreferredMode(NULL);
// set up the list of supported SDL video modes (which will be checked against
// in calls to SDL_SetVideoMode)
mode_640.w = vmode->fbWidth;
mode_640.h = vmode->efbHeight;
mode_320.w = mode_640.w / 2;
@ -299,6 +314,20 @@ static SDL_Rect **WII_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags)
return &modes_descending[0];
}
void PickWiiVideoMode(GXRModeObj **picked_mode, int width, int height, Uint32 flags)
{
*picked_mode = NULL;
if (height == 240)
{
*picked_mode = &TVNtsc240Ds;
}
else if (height == 480)
{
*picked_mode = &TVNtsc480Int;
}
}
static SDL_Surface *WII_SetVideoMode(_THIS, SDL_Surface *current,
int width, int height, int bpp, Uint32 flags)
{
@ -333,6 +362,15 @@ static SDL_Surface *WII_SetVideoMode(_THIS, SDL_Surface *current,
return NULL;
}
PickWiiVideoMode(&vmode, width, height, flags);
if (vmode == NULL)
{
SDL_SetError("Could not select suitable WII video mode.");
return NULL;
}
WII_InitVideoSystem();
bytes_per_pixel = bpp / 8;
// Free any existing buffer.
@ -775,7 +813,10 @@ WII_InitVideoSystem()
{
/* Initialise the video system */
VIDEO_Init();
vmode = VIDEO_GetPreferredMode(NULL);
// assumes vmode has been pre-filled (WII_SetVideoMode does this for valid video mode parameters)
if (vmode == NULL)
return;
/* Set up the video system with the chosen mode */
VIDEO_Configure(vmode);