1.1 --- a/src/pvr2/tacore.c	Mon Jul 14 07:44:42 2008 +0000
     1.2 +++ b/src/pvr2/tacore.c	Sun Jul 20 11:36:48 2008 +0000
     1.3 @@ -1161,7 +1161,22 @@
     1.4  
     1.5  }
     1.6  
     1.7 -
     1.8 +/**
     1.9 + * Find the first polygon or sprite context in the supplied buffer of TA
    1.10 + * data.
    1.11 + * @return A pointer to the context, or NULL if it cannot be found 
    1.12 + */
    1.13 +uint32_t *pvr2_ta_find_polygon_context( uint32_t *buf, uint32_t length )
    1.14 +{
    1.15 +    uint32_t *poly;
    1.16 +    for( poly = buf; poly < buf+(length>>2); poly += 8 ) {
    1.17 +        if( TA_CMD(*poly) == TA_CMD_POLYGON_CONTEXT ||
    1.18 +            TA_CMD(*poly) == TA_CMD_SPRITE_CONTEXT ) {
    1.19 +            return poly;
    1.20 +        }
    1.21 +    }
    1.22 +    return NULL;
    1.23 +}
    1.24  
    1.25  /**
    1.26   * Write a block of data to the tile accelerator, adding the data to the