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28 #ifndef LP_RAST_PRIV_H
29 #define LP_RAST_PRIV_H
34 #define MAX_THREADS 4 /* XXX probably temporary here */
42 * A tile's color and depth memory.
43 * We can choose whatever layout for the internal tile storage we prefer.
54 * Per-thread rasterization state
56 struct lp_rasterizer_task
58 struct lp_rast_tile tile
; /** Tile color/z/stencil memory */
60 unsigned x
, y
; /**< Pos of this tile in framebuffer, in pixels */
62 /* Pixel blocks produced during rasterization
71 const struct lp_rast_state
*current_state
;
76 * This is the state required while rasterizing tiles.
77 * Note that this contains per-thread information too.
78 * The tile size is TILE_SIZE x TILE_SIZE pixels.
82 unsigned width
, height
; /**< Size of framebuffer, in pixels */
85 boolean check_for_clipped_tiles
;
89 struct pipe_screen
*screen
;
90 struct pipe_transfer
*cbuf_transfer
;
91 struct pipe_transfer
*zsbuf_transfer
;
96 struct pipe_surface
*cbuf
;
97 struct pipe_surface
*zsbuf
;
99 boolean write_zstencil
;
100 unsigned clear_color
;
101 unsigned clear_depth
;
105 /** A task object for each rasterization thread */
106 struct lp_rasterizer_task tasks
[MAX_THREADS
];
110 void lp_rast_shade_quads( struct lp_rasterizer
*rast
,
111 unsigned thread_index
,
112 const struct lp_rast_shader_inputs
*inputs
,
113 unsigned x
, unsigned y
,