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engine: fix palette and builtin textures on BE

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This commit is contained in:
Alibek Omarov
2026-04-25 03:56:45 +05:00
parent dcc5756649
commit 2320734ec0
3 changed files with 25 additions and 52 deletions
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engine/common/imagelib/img_utils.c
+14 -46
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@@ -285,66 +285,34 @@ int Image_ComparePalette( const byte *pal )
static void Image_SetPalette( const byte *pal, uint *d_table )
{
byte rgba[4];
uint uirgba; // TODO: palette looks byte-swapped on big-endian
int i;
// setup palette
switch( image.d_rendermode )
{
case LUMP_NORMAL:
for( i = 0; i < 256; i++ )
{
memcpy( rgba, &pal[i * 3], 3 );
rgba[3] = 0xFF;
memcpy( &uirgba, rgba, sizeof( uirgba ));
d_table[i] = uirgba;
}
for( int i = 0; i < 256; i++ )
d_table[i] = HostFourCC( pal[i * 3 + 0], pal[i * 3 + 1], pal[i * 3 + 2], 0xFF );
break;
case LUMP_TEXGAMMA:
for( i = 0; i < 256; i++ )
for( int i = 0; i < 256; i++ )
{
rgba[0] = TextureToGamma( pal[i * 3 + 0] );
rgba[1] = TextureToGamma( pal[i * 3 + 1] );
rgba[2] = TextureToGamma( pal[i * 3 + 2] );
rgba[3] = 0xFF;
memcpy( &uirgba, rgba, sizeof( uirgba ));
d_table[i] = uirgba;
d_table[i] = HostFourCC(
TextureToGamma( pal[i * 3 + 0] ),
TextureToGamma( pal[i * 3 + 1] ),
TextureToGamma( pal[i * 3 + 2] ),
0xFF );
}
break;
case LUMP_GRADIENT:
for( i = 0; i < 256; i++ )
{
rgba[0] = pal[765];
rgba[1] = pal[766];
rgba[2] = pal[767];
rgba[3] = i;
memcpy( &uirgba, rgba, sizeof( uirgba ));
d_table[i] = uirgba;
}
for( int i = 0; i < 256; i++ )
d_table[i] = HostFourCC( pal[765], pal[766], pal[767], i );
break;
case LUMP_MASKED:
for( i = 0; i < 255; i++ )
{
rgba[0] = pal[i*3+0];
rgba[1] = pal[i*3+1];
rgba[2] = pal[i*3+2];
rgba[3] = 0xFF;
memcpy( &uirgba, rgba, sizeof( uirgba ));
d_table[i] = uirgba;
}
for( int i = 0; i < 255; i++ )
d_table[i] = HostFourCC( pal[i * 3 + 0], pal[i * 3 + 1], pal[i * 3 + 2], 0xFF );
d_table[255] = 0;
break;
case LUMP_EXTENDED:
for( i = 0; i < 256; i++ )
{
rgba[0] = pal[i*4+0];
rgba[1] = pal[i*4+1];
rgba[2] = pal[i*4+2];
rgba[3] = pal[i*4+3];
memcpy( &uirgba, rgba, sizeof( uirgba ));
d_table[i] = uirgba;
}
for( int i = 0; i < 256; i++ )
d_table[i] = HostFourCC( pal[i * 4 + 0], pal[i * 4 + 1], pal[i * 4 + 2], pal[i * 4 + 3] );
break;
}
}