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libretro: Center 224 lines when crop overscan off

This commit is contained in:
Brandon Wright 2018-10-24 17:26:50 -05:00
parent 748e4aa40d
commit 15930a4d79
1 changed files with 16 additions and 7 deletions
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23
libretro/libretro.cpp
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@ -49,6 +49,8 @@ static int g_screen_gun_height = SNES_HEIGHT;
#define SNES_4_3 4.0f / 3.0f
uint16 *screen_buffer = NULL;
char g_rom_dir[1024];
char g_basename[1024];
@ -1239,7 +1241,8 @@ void retro_init(void)
S9xSetSamplesAvailableCallback(S9xAudioCallback, NULL);
GFX.Pitch = MAX_SNES_WIDTH * sizeof(uint16);
GFX.Screen = (uint16*) calloc(1, GFX.Pitch * MAX_SNES_HEIGHT);
screen_buffer = (uint16*) calloc(1, GFX.Pitch * (MAX_SNES_HEIGHT + 16));
GFX.Screen = screen_buffer + (GFX.Pitch >> 1) * 16;
S9xGraphicsInit();
S9xInitInputDevices();
@ -1562,7 +1565,7 @@ void retro_deinit()
S9xGraphicsDeinit();
S9xUnmapAllControls();
free(GFX.Screen);
free(screen_buffer);
}
@ -1694,14 +1697,20 @@ bool8 S9xDeinitUpdate(int width, int height)
{
if (height > SNES_HEIGHT_EXTENDED)
{
if (height < SNES_HEIGHT_EXTENDED << 1)
memset(GFX.Screen + (GFX.Pitch >> 1) * height,0,GFX.Pitch * ((SNES_HEIGHT_EXTENDED << 1) - height));
if (height < (SNES_HEIGHT_EXTENDED << 1))
{
overscan_offset = -16;
memset(GFX.Screen + (GFX.Pitch >> 1) * height,0,GFX.Pitch * ((SNES_HEIGHT_EXTENDED << 1) - height));
}
height = SNES_HEIGHT_EXTENDED << 1;
}
else
{
if (height < SNES_HEIGHT_EXTENDED)
memset(GFX.Screen + (GFX.Pitch >> 1) * height,0,GFX.Pitch * (SNES_HEIGHT_EXTENDED - height));
{
overscan_offset = -8;
memset(GFX.Screen + (GFX.Pitch >> 1) * height,0,GFX.Pitch * (SNES_HEIGHT_EXTENDED - height));
}
height = SNES_HEIGHT_EXTENDED;
}
}
@ -1751,11 +1760,11 @@ bool8 S9xDeinitUpdate(int width, int height)
width >>= 1;
}
video_cb(GFX.Screen + ((GFX.Pitch >> 1) * overscan_offset), width, height, GFX.Pitch);
video_cb(GFX.Screen + ((int)(GFX.Pitch >> 1) * overscan_offset), width, height, GFX.Pitch);
}
else
{
video_cb(GFX.Screen + ((GFX.Pitch >> 1) * overscan_offset), width, height, GFX.Pitch);
video_cb(GFX.Screen + ((int)(GFX.Pitch >> 1) * overscan_offset), width, height, GFX.Pitch);
}
return TRUE;