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imagelib: support for 16-bit transparent tga

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This commit is contained in:
mittorn 2019-09-27 02:12:35 +07:00
parent 13c1e807ad
commit 9a1414505a
1 changed files with 17 additions and 7 deletions
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12
engine/common/imagelib/img_tga.c
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@ -111,7 +111,7 @@ qboolean Image_LoadTGA( const char *name, const byte *buffer, fs_offset_t filesi
else if( targa_header.image_type == 3 || targa_header.image_type == 11 )
{
// uncompressed greyscale
if( targa_header.pixel_size != 8 )
if( targa_header.pixel_size != 8 && targa_header.pixel_size != 16 )
{
Con_DPrintf( S_ERROR "Image_LoadTGA: (%s) Only 8 bit images supported for type 3 and 11\n", name );
return false;
@ -160,11 +160,14 @@ qboolean Image_LoadTGA( const char *name, const byte *buffer, fs_offset_t filesi
case 9:
// colormapped image
blue = *buf_p++;
if( blue < targa_header.colormap_length )
{
red = palette[blue][0];
green = palette[blue][1];
alpha = palette[blue][3];
blue = palette[blue][2];
if( alpha != 255 ) image.flags |= IMAGE_HAS_ALPHA;
}
break;
case 2:
case 10:
@ -184,6 +187,13 @@ qboolean Image_LoadTGA( const char *name, const byte *buffer, fs_offset_t filesi
case 11:
// greyscale image
blue = green = red = *buf_p++;
if( targa_header.pixel_size == 16 )
{
alpha = *buf_p++;
if( alpha != 255 )
image.flags |= IMAGE_HAS_ALPHA;
}
else
alpha = 255;
break;
}