1.1 --- a/src/pvr2/tacore.c	Sat Aug 05 00:02:41 2006 +0000
     1.2 +++ b/src/pvr2/tacore.c	Sun Aug 06 03:36:51 2006 +0000
     1.3 @@ -1,5 +1,5 @@
     1.4  /**
     1.5 - * $Id: tacore.c,v 1.3 2006-08-05 00:02:41 nkeynes Exp $
     1.6 + * $Id: tacore.c,v 1.4 2006-08-06 03:36:51 nkeynes Exp $
     1.7   *
     1.8   * PVR2 Tile Accelerator implementation
     1.9   *
    1.10 @@ -133,6 +133,7 @@
    1.11      uint32_t current_tile_matrix; /* Memory location of the first tile for the current list. */
    1.12      uint32_t current_tile_size; /* Size of the tile matrix space  in 32-bit words (0/8/16/32)*/
    1.13      uint32_t intensity1, intensity2;
    1.14 +    struct tile_bounds clip; 
    1.15      /**
    1.16       * Current working object
    1.17       */
    1.18 @@ -185,10 +186,14 @@
    1.19      ta_status.max_vertex = 3;
    1.20      ta_status.last_triangle_bounds.x1 = -1;
    1.21      ta_status.accept_vertexes = TRUE;
    1.22 -    
    1.23 +    ta_status.clip.x1 = 0;
    1.24 +    ta_status.clip.y1 = 0;
    1.25 +
    1.26      uint32_t size = MMIO_READ( PVR2, TA_TILESIZE );
    1.27      ta_status.width = (size & 0xFFFF) + 1;
    1.28      ta_status.height = (size >> 16) + 1;
    1.29 +    ta_status.clip.x2 = ta_status.width-1;
    1.30 +    ta_status.clip.y2 = ta_status.height-1;
    1.31      uint32_t control = MMIO_READ( PVR2, TA_TILECFG );
    1.32      ta_status.tilelist_dir = (control >> 20) & 0x01;
    1.33      ta_status.tilelist_size = tilematrix_sizes[ (control & 0x03) ];
    1.34 @@ -987,7 +992,16 @@
    1.35  	case TA_CMD_END_LIST:
    1.36  	    ta_end_list();
    1.37  	    break;
    1.38 -	case TA_CMD_CLIP: /* TODO */
    1.39 +	case TA_CMD_CLIP:
    1.40 +	    if( ta_status.state == STATE_IN_POLYGON ) {
    1.41 +		asic_event( EVENT_PVR_BAD_INPUT );
    1.42 +		asic_event( EVENT_TA_ERROR );
    1.43 +		/* Enter stuffed up mode */
    1.44 +	    }
    1.45 +	    ta_status.clip.x1 = data[4].i & 0x3F;
    1.46 +	    ta_status.clip.y1 = data[5].i & 0x0F;
    1.47 +	    ta_status.clip.x2 = data[6].i & 0x3F;
    1.48 +	    ta_status.clip.y2 = data[7].i & 0x0F;
    1.49  	    break;
    1.50  	case TA_CMD_POLYGON_CONTEXT:
    1.51  	    if( ta_status.state == STATE_IDLE ) {