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3 * Copyright 2007-2009 VMware, Inc.
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30 * The setup code is concerned with point/line/triangle setup and
31 * putting commands/data into the bins.
35 #ifndef LP_SETUP_CONTEXT_H
36 #define LP_SETUP_CONTEXT_H
40 #include "lp_tile_soa.h" /* for TILE_SIZE */
43 /* We're limited to 2K by 2K for 32bit fixed point rasterization.
44 * Will need a 64-bit version for larger framebuffers.
46 #define MAXHEIGHT 2048
48 #define TILES_X (MAXWIDTH / TILE_SIZE)
49 #define TILES_Y (MAXHEIGHT / TILE_SIZE)
52 #define LP_SETUP_NEW_FS 0x01
53 #define LP_SETUP_NEW_CONSTANTS 0x02
54 #define LP_SETUP_NEW_BLEND_COLOR 0x04
58 * Point/line/triangle setup context.
59 * Note: "stored" below indicates data which is stored in the bins,
60 * not arbitrary malloc'd memory.
62 struct setup_context
{
64 struct lp_rasterizer
*rast
;
67 * Per-bin data goes into the 'tile' bins.
68 * Shared bin data goes into the 'data' buffer.
69 * When there are multiple threads, will want to double-buffer the
72 struct cmd_bin tile
[TILES_X
][TILES_Y
];
73 struct data_block_list data
;
75 /* size of framebuffer, in tiles */
79 boolean ccw_is_frontface
;
83 struct pipe_surface
*cbuf
;
84 struct pipe_surface
*zsbuf
;
91 union lp_rast_cmd_arg color
; /**< lp_rast_clear_color() cmd */
92 union lp_rast_cmd_arg zstencil
; /**< lp_rast_clear_zstencil() cmd */
102 struct lp_shader_input input
[PIPE_MAX_ATTRIBS
];
105 const struct lp_rast_state
*stored
; /**< what's in the bins */
106 struct lp_rast_state current
; /**< currently set state */
109 /** fragment shader constants */
111 struct pipe_buffer
*current
;
112 unsigned stored_size
;
113 const void *stored_data
;
117 struct pipe_blend_color current
;
121 unsigned dirty
; /**< bitmask of LP_SETUP_x bits */
123 void (*point
)( struct setup_context
*,
124 const float (*v0
)[4]);
126 void (*line
)( struct setup_context
*,
127 const float (*v0
)[4],
128 const float (*v1
)[4]);
130 void (*triangle
)( struct setup_context
*,
131 const float (*v0
)[4],
132 const float (*v1
)[4],
133 const float (*v2
)[4]);
136 void lp_setup_choose_triangle( struct setup_context
*setup
);
137 void lp_setup_choose_line( struct setup_context
*setup
);
138 void lp_setup_choose_point( struct setup_context
*setup
);