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https://github.com/FWGS/xash3d-fwgs
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engine: added support for BC7 and BC6H compression formats of DDS textures
This commit is contained in:
SNMetamorph
parent
cf7852832f
commit
6473efa995
@ -9,7 +9,7 @@ NOTE: number at end of pixelformat name it's a total bitscount e.g. PF_RGB_24 ==
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========================================================================
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*/
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#define ImageRAW( type ) (type == PF_RGBA_32 || type == PF_BGRA_32 || type == PF_RGB_24 || type == PF_BGR_24 || type == PF_LUMINANCE)
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#define ImageDXT( type ) (type == PF_DXT1 || type == PF_DXT3 || type == PF_DXT5 || type == PF_ATI2)
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#define ImageDXT( type ) (type == PF_DXT1 || type == PF_DXT3 || type == PF_DXT5 || type == PF_ATI2 || type == PF_BC6H_SIGNED || type == PF_BC6H_UNSIGNED || type == PF_BC7)
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typedef enum
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{
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@ -21,10 +21,13 @@ typedef enum
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PF_RGB_24, // uncompressed dds or another 24-bit image
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PF_BGR_24, // big-endian RGB (MacOS)
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PF_LUMINANCE,
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PF_DXT1, // s3tc DXT1 format
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PF_DXT3, // s3tc DXT3 format
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PF_DXT5, // s3tc DXT5 format
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PF_ATI2, // latc ATI2N format
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PF_DXT1, // s3tc DXT1/BC1 format
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PF_DXT3, // s3tc DXT3/BC2 format
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PF_DXT5, // s3tc DXT5/BC3 format
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PF_ATI2, // latc ATI2N/BC5 format
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PF_BC6H_SIGNED, // bptc BC6H signed FP16 format
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PF_BC6H_UNSIGNED, // bptc BC6H unsigned FP16 format
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PF_BC7, // bptc BC7 format
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PF_TOTALCOUNT, // must be last
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} pixformat_t;
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@ -91,7 +91,7 @@ qboolean Image_CheckDXT5Alpha( dds_t *hdr, byte *fin )
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return false;
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}
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void Image_DXTGetPixelFormat( dds_t *hdr )
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void Image_DXTGetPixelFormat( dds_t *hdr, dds_header_dxt10_t *headerExt )
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{
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uint bits = hdr->dsPixelFormat.dwRGBBitCount;
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@ -100,29 +100,53 @@ void Image_DXTGetPixelFormat( dds_t *hdr )
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if( FBitSet( hdr->dsPixelFormat.dwFlags, DDS_FOURCC ))
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{
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switch( hdr->dsPixelFormat.dwFourCC )
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if( hdr->dsPixelFormat.dwFourCC == TYPE_DX10 )
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{
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case TYPE_DXT1:
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image.type = PF_DXT1;
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break;
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case TYPE_DXT2:
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image.flags &= ~IMAGE_HAS_ALPHA; // alpha is already premultiplied by color
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// intentionally fallthrough
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case TYPE_DXT3:
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image.type = PF_DXT3;
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break;
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case TYPE_DXT4:
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image.flags &= ~IMAGE_HAS_ALPHA; // alpha is already premultiplied by color
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// intentionally fallthrough
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case TYPE_DXT5:
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image.type = PF_DXT5;
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break;
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case TYPE_ATI2:
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image.type = PF_ATI2;
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break;
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default:
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image.type = PF_UNKNOWN; // assume error
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break;
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switch( headerExt->dxgiFormat )
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{
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case DXGI_FORMAT_BC6H_SF16:
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image.type = PF_BC6H_SIGNED;
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break;
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case DXGI_FORMAT_BC6H_UF16:
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case DXGI_FORMAT_BC6H_TYPELESS:
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image.type = PF_BC6H_UNSIGNED;
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break;
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case DXGI_FORMAT_BC7_UNORM:
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case DXGI_FORMAT_BC7_UNORM_SRGB:
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case DXGI_FORMAT_BC7_TYPELESS:
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image.type = PF_BC7;
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break;
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default:
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image.type = PF_UNKNOWN;
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break;
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}
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}
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else
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{
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switch( hdr->dsPixelFormat.dwFourCC )
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{
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case TYPE_DXT1:
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image.type = PF_DXT1;
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break;
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case TYPE_DXT2:
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image.flags &= ~IMAGE_HAS_ALPHA; // alpha is already premultiplied by color
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// intentionally fallthrough
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case TYPE_DXT3:
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image.type = PF_DXT3;
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break;
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case TYPE_DXT4:
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image.flags &= ~IMAGE_HAS_ALPHA; // alpha is already premultiplied by color
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// intentionally fallthrough
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case TYPE_DXT5:
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image.type = PF_DXT5;
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break;
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case TYPE_ATI2:
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image.type = PF_ATI2;
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break;
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default:
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image.type = PF_UNKNOWN; // assume error
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break;
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}
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}
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}
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else
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@ -171,6 +195,9 @@ size_t Image_DXTGetLinearSize( int type, int width, int height, int depth )
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case PF_DXT1: return ((( width + 3 ) / 4 ) * (( height + 3 ) / 4 ) * depth * 8 );
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case PF_DXT3:
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case PF_DXT5:
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case PF_BC6H_SIGNED:
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case PF_BC6H_UNSIGNED:
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case PF_BC7:
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case PF_ATI2: return ((( width + 3 ) / 4 ) * (( height + 3 ) / 4 ) * depth * 16 );
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case PF_LUMINANCE: return (width * height * depth);
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case PF_BGR_24:
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@ -254,16 +281,18 @@ qboolean Image_LoadDDS( const char *name, const byte *buffer, fs_offset_t filesi
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{
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dds_t header;
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byte *fin;
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int headersOffset;
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dds_header_dxt10_t header2;
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if( filesize < sizeof( dds_t ))
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if( filesize < sizeof( header ))
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return false;
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memcpy( &header, buffer, sizeof( dds_t ));
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memcpy( &header, buffer, sizeof( header ));
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if( header.dwIdent != DDSHEADER )
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return false; // it's not a dds file, just skip it
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if( header.dwSize != sizeof( dds_t ) - sizeof( uint )) // size of the structure (minus MagicNum)
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if( header.dwSize != sizeof( header ) - sizeof( uint )) // size of the structure (minus MagicNum)
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{
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Con_DPrintf( S_ERROR "Image_LoadDDS: (%s) have corrupted header\n", name );
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return false;
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@ -275,6 +304,13 @@ qboolean Image_LoadDDS( const char *name, const byte *buffer, fs_offset_t filesi
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return false;
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}
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headersOffset = sizeof( header );
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if( header.dsPixelFormat.dwFourCC == TYPE_DX10 )
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{
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memcpy( &header2, buffer + sizeof( header ), sizeof( header2 ));
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headersOffset += sizeof( header2 );
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}
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image.width = header.dwWidth;
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image.height = header.dwHeight;
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@ -284,7 +320,7 @@ qboolean Image_LoadDDS( const char *name, const byte *buffer, fs_offset_t filesi
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if( !Image_ValidSize( name )) return false;
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Image_DXTGetPixelFormat( &header ); // and image type too :)
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Image_DXTGetPixelFormat( &header, &header2 ); // and image type too :)
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Image_DXTAdjustVolume( &header );
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if( !Image_CheckFlag( IL_DDS_HARDWARE ) && ImageDXT( image.type ))
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@ -296,9 +332,9 @@ qboolean Image_LoadDDS( const char *name, const byte *buffer, fs_offset_t filesi
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return false;
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}
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image.size = Image_DXTCalcSize( name, &header, filesize - 128 );
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image.size = Image_DXTCalcSize( name, &header, filesize - headersOffset );
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if( image.size == 0 ) return false; // just in case
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fin = (byte *)(buffer + sizeof( dds_t ));
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fin = (byte *)( buffer + headersOffset );
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// copy an encode method
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image.encode = (word)header.dwReserved1[0];
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@ -320,6 +356,8 @@ qboolean Image_LoadDDS( const char *name, const byte *buffer, fs_offset_t filesi
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SetBits( image.flags, IMAGE_HAS_ALPHA );
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else if( image.type == PF_DXT5 && Image_CheckDXT5Alpha( &header, fin ))
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SetBits( image.flags, IMAGE_HAS_ALPHA );
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else if ( image.type == PF_BC7 )
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SetBits(image.flags, IMAGE_HAS_ALPHA);
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if( !FBitSet( header.dsPixelFormat.dwFlags, DDS_LUMINANCE ))
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SetBits( image.flags, IMAGE_HAS_COLOR );
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break;
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@ -29,6 +29,7 @@ GNU General Public License for more details.
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#define TYPE_DXT3 (('3'<<24)+('T'<<16)+('X'<<8)+'D') // little-endian "DXT3"
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#define TYPE_DXT4 (('4'<<24)+('T'<<16)+('X'<<8)+'D') // little-endian "DXT4"
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#define TYPE_DXT5 (('5'<<24)+('T'<<16)+('X'<<8)+'D') // little-endian "DXT5"
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#define TYPE_DX10 (('0'<<24)+('1'<<16)+('X'<<8)+'D') // little-endian "DX10"
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#define TYPE_ATI1 (('1'<<24)+('I'<<16)+('T'<<8)+'A') // little-endian "ATI1"
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#define TYPE_ATI2 (('2'<<24)+('I'<<16)+('T'<<8)+'A') // little-endian "ATI2"
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#define TYPE_RXGB (('B'<<24)+('G'<<16)+('X'<<8)+'R') // little-endian "RXGB" doom3 normalmaps
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@ -75,6 +76,141 @@ GNU General Public License for more details.
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#define DDS_CUBEMAP_ALL_SIDES 0x0000FC00L
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#define DDS_VOLUME 0x00200000L
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typedef enum
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{
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DXGI_FORMAT_UNKNOWN = 0,
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DXGI_FORMAT_R32G32B32A32_TYPELESS = 1,
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DXGI_FORMAT_R32G32B32A32_FLOAT = 2,
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DXGI_FORMAT_R32G32B32A32_UINT = 3,
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DXGI_FORMAT_R32G32B32A32_SINT = 4,
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DXGI_FORMAT_R32G32B32_TYPELESS = 5,
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DXGI_FORMAT_R32G32B32_FLOAT = 6,
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DXGI_FORMAT_R32G32B32_UINT = 7,
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DXGI_FORMAT_R32G32B32_SINT = 8,
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DXGI_FORMAT_R16G16B16A16_TYPELESS = 9,
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DXGI_FORMAT_R16G16B16A16_FLOAT = 10,
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DXGI_FORMAT_R16G16B16A16_UNORM = 11,
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DXGI_FORMAT_R16G16B16A16_UINT = 12,
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DXGI_FORMAT_R16G16B16A16_SNORM = 13,
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DXGI_FORMAT_R16G16B16A16_SINT = 14,
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DXGI_FORMAT_R32G32_TYPELESS = 15,
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DXGI_FORMAT_R32G32_FLOAT = 16,
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DXGI_FORMAT_R32G32_UINT = 17,
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DXGI_FORMAT_R32G32_SINT = 18,
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DXGI_FORMAT_R32G8X24_TYPELESS = 19,
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DXGI_FORMAT_D32_FLOAT_S8X24_UINT = 20,
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DXGI_FORMAT_R32_FLOAT_X8X24_TYPELESS = 21,
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DXGI_FORMAT_X32_TYPELESS_G8X24_UINT = 22,
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DXGI_FORMAT_R10G10B10A2_TYPELESS = 23,
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DXGI_FORMAT_R10G10B10A2_UNORM = 24,
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DXGI_FORMAT_R10G10B10A2_UINT = 25,
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DXGI_FORMAT_R11G11B10_FLOAT = 26,
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DXGI_FORMAT_R8G8B8A8_TYPELESS = 27,
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DXGI_FORMAT_R8G8B8A8_UNORM = 28,
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DXGI_FORMAT_R8G8B8A8_UNORM_SRGB = 29,
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DXGI_FORMAT_R8G8B8A8_UINT = 30,
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DXGI_FORMAT_R8G8B8A8_SNORM = 31,
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DXGI_FORMAT_R8G8B8A8_SINT = 32,
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DXGI_FORMAT_R16G16_TYPELESS = 33,
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DXGI_FORMAT_R16G16_FLOAT = 34,
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DXGI_FORMAT_R16G16_UNORM = 35,
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DXGI_FORMAT_R16G16_UINT = 36,
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DXGI_FORMAT_R16G16_SNORM = 37,
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DXGI_FORMAT_R16G16_SINT = 38,
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DXGI_FORMAT_R32_TYPELESS = 39,
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DXGI_FORMAT_D32_FLOAT = 40,
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DXGI_FORMAT_R32_FLOAT = 41,
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DXGI_FORMAT_R32_UINT = 42,
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DXGI_FORMAT_R32_SINT = 43,
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DXGI_FORMAT_R24G8_TYPELESS = 44,
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DXGI_FORMAT_D24_UNORM_S8_UINT = 45,
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DXGI_FORMAT_R24_UNORM_X8_TYPELESS = 46,
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DXGI_FORMAT_X24_TYPELESS_G8_UINT = 47,
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DXGI_FORMAT_R8G8_TYPELESS = 48,
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DXGI_FORMAT_R8G8_UNORM = 49,
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DXGI_FORMAT_R8G8_UINT = 50,
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DXGI_FORMAT_R8G8_SNORM = 51,
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DXGI_FORMAT_R8G8_SINT = 52,
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DXGI_FORMAT_R16_TYPELESS = 53,
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DXGI_FORMAT_R16_FLOAT = 54,
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DXGI_FORMAT_D16_UNORM = 55,
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DXGI_FORMAT_R16_UNORM = 56,
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DXGI_FORMAT_R16_UINT = 57,
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DXGI_FORMAT_R16_SNORM = 58,
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DXGI_FORMAT_R16_SINT = 59,
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DXGI_FORMAT_R8_TYPELESS = 60,
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DXGI_FORMAT_R8_UNORM = 61,
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DXGI_FORMAT_R8_UINT = 62,
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DXGI_FORMAT_R8_SNORM = 63,
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DXGI_FORMAT_R8_SINT = 64,
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DXGI_FORMAT_A8_UNORM = 65,
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DXGI_FORMAT_R1_UNORM = 66,
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DXGI_FORMAT_R9G9B9E5_SHAREDEXP = 67,
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DXGI_FORMAT_R8G8_B8G8_UNORM = 68,
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DXGI_FORMAT_G8R8_G8B8_UNORM = 69,
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DXGI_FORMAT_BC1_TYPELESS = 70,
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DXGI_FORMAT_BC1_UNORM = 71,
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DXGI_FORMAT_BC1_UNORM_SRGB = 72,
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DXGI_FORMAT_BC2_TYPELESS = 73,
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DXGI_FORMAT_BC2_UNORM = 74,
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DXGI_FORMAT_BC2_UNORM_SRGB = 75,
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DXGI_FORMAT_BC3_TYPELESS = 76,
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DXGI_FORMAT_BC3_UNORM = 77,
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DXGI_FORMAT_BC3_UNORM_SRGB = 78,
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DXGI_FORMAT_BC4_TYPELESS = 79,
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DXGI_FORMAT_BC4_UNORM = 80,
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DXGI_FORMAT_BC4_SNORM = 81,
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DXGI_FORMAT_BC5_TYPELESS = 82,
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DXGI_FORMAT_BC5_UNORM = 83,
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DXGI_FORMAT_BC5_SNORM = 84,
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DXGI_FORMAT_B5G6R5_UNORM = 85,
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DXGI_FORMAT_B5G5R5A1_UNORM = 86,
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DXGI_FORMAT_B8G8R8A8_UNORM = 87,
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DXGI_FORMAT_B8G8R8X8_UNORM = 88,
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DXGI_FORMAT_R10G10B10_XR_BIAS_A2_UNORM = 89,
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DXGI_FORMAT_B8G8R8A8_TYPELESS = 90,
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DXGI_FORMAT_B8G8R8A8_UNORM_SRGB = 91,
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DXGI_FORMAT_B8G8R8X8_TYPELESS = 92,
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DXGI_FORMAT_B8G8R8X8_UNORM_SRGB = 93,
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DXGI_FORMAT_BC6H_TYPELESS = 94,
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DXGI_FORMAT_BC6H_UF16 = 95,
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DXGI_FORMAT_BC6H_SF16 = 96,
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DXGI_FORMAT_BC7_TYPELESS = 97,
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DXGI_FORMAT_BC7_UNORM = 98,
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DXGI_FORMAT_BC7_UNORM_SRGB = 99,
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DXGI_FORMAT_AYUV = 100,
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DXGI_FORMAT_Y410 = 101,
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DXGI_FORMAT_Y416 = 102,
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DXGI_FORMAT_NV12 = 103,
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DXGI_FORMAT_P010 = 104,
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DXGI_FORMAT_P016 = 105,
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DXGI_FORMAT_420_OPAQUE = 106,
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DXGI_FORMAT_YUY2 = 107,
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DXGI_FORMAT_Y210 = 108,
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DXGI_FORMAT_Y216 = 109,
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DXGI_FORMAT_NV11 = 110,
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DXGI_FORMAT_AI44 = 111,
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DXGI_FORMAT_IA44 = 112,
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DXGI_FORMAT_P8 = 113,
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DXGI_FORMAT_A8P8 = 114,
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DXGI_FORMAT_B4G4R4A4_UNORM = 115,
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DXGI_FORMAT_P208 = 130,
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DXGI_FORMAT_V208 = 131,
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DXGI_FORMAT_V408 = 132,
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DXGI_FORMAT_SAMPLER_FEEDBACK_MIN_MIP_OPAQUE,
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DXGI_FORMAT_SAMPLER_FEEDBACK_MIP_REGION_USED_OPAQUE,
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DXGI_FORMAT_FORCE_UINT = 0xffffffff
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} dxgi_format_t;
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typedef enum
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{
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D3D10_RESOURCE_DIMENSION_UNKNOWN = 0,
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D3D10_RESOURCE_DIMENSION_BUFFER = 1,
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D3D10_RESOURCE_DIMENSION_TEXTURE1D = 2,
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D3D10_RESOURCE_DIMENSION_TEXTURE2D = 3,
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D3D10_RESOURCE_DIMENSION_TEXTURE3D = 4
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} dds_resource_dimension_t;
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typedef struct dds_pf_s
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{
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uint32_t dwSize;
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@ -96,6 +232,15 @@ typedef struct dds_caps_s
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uint32_t dwCaps4; // currently unused
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} dds_caps_t;
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typedef struct dds_header_dxt10_s
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{
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dxgi_format_t dxgiFormat;
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dds_resource_dimension_t resourceDimension;
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uint32_t miscFlag;
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uint32_t arraySize;
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uint32_t miscFlags2;
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} dds_header_dxt10_t;
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typedef struct dds_s
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{
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uint32_t dwIdent; // must matched with DDSHEADER
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