1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
|
/**************************************************************************
*
* Copyright 2007-2009 VMware, Inc.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
/**
* The setup code is concerned with point/line/triangle setup and
* putting commands/data into the bins.
*/
#ifndef LP_SETUP_CONTEXT_H
#define LP_SETUP_CONTEXT_H
#include "lp_setup.h"
#include "lp_rast.h"
#include "lp_tile_soa.h" /* for TILE_SIZE */
#include "lp_scene.h"
#include "draw/draw_vbuf.h"
#define LP_SETUP_NEW_FS 0x01
#define LP_SETUP_NEW_CONSTANTS 0x02
#define LP_SETUP_NEW_BLEND_COLOR 0x04
#define LP_SETUP_NEW_SCISSOR 0x08
struct lp_scene_queue;
/** Max number of scenes */
#define MAX_SCENES 2
/**
* Point/line/triangle setup context.
* Note: "stored" below indicates data which is stored in the bins,
* not arbitrary malloc'd memory.
*
*
* Subclass of vbuf_render, plugged directly into the draw module as
* the rendering backend.
*/
struct lp_setup_context
{
struct vbuf_render base;
struct vertex_info *vertex_info;
uint prim;
uint vertex_size;
uint nr_vertices;
uint vertex_buffer_size;
void *vertex_buffer;
/* Final pipeline stage for draw module. Draw module should
* create/install this itself now.
*/
struct draw_stage *vbuf;
struct lp_rasterizer *rast;
struct lp_scene *scenes[MAX_SCENES]; /**< all the scenes */
struct lp_scene *scene; /**< current scene being built */
struct lp_scene_queue *empty_scenes; /**< queue of empty scenes */
boolean flatshade_first;
boolean ccw_is_frontface;
boolean scissor_test;
unsigned cullmode;
float pixel_offset;
struct pipe_framebuffer_state fb;
struct {
unsigned flags;
union lp_rast_cmd_arg color; /**< lp_rast_clear_color() cmd */
union lp_rast_cmd_arg zstencil; /**< lp_rast_clear_zstencil() cmd */
} clear;
enum setup_state {
SETUP_FLUSHED,
SETUP_CLEARED,
SETUP_ACTIVE
} state;
struct {
struct lp_shader_input input[PIPE_MAX_ATTRIBS];
unsigned nr_inputs;
const struct lp_rast_state *stored; /**< what's in the scene */
struct lp_rast_state current; /**< currently set state */
struct pipe_resource *current_tex[PIPE_MAX_SAMPLERS];
} fs;
/** fragment shader constants */
struct {
struct pipe_resource *current;
unsigned stored_size;
const void *stored_data;
} constants;
struct {
struct pipe_blend_color current;
uint8_t *stored;
} blend_color;
struct {
struct pipe_scissor_state current;
const void *stored;
} scissor;
unsigned dirty; /**< bitmask of LP_SETUP_NEW_x bits */
void (*point)( struct lp_setup_context *,
const float (*v0)[4]);
void (*line)( struct lp_setup_context *,
const float (*v0)[4],
const float (*v1)[4]);
void (*triangle)( struct lp_setup_context *,
const float (*v0)[4],
const float (*v1)[4],
const float (*v2)[4]);
};
void lp_setup_choose_triangle( struct lp_setup_context *setup );
void lp_setup_choose_line( struct lp_setup_context *setup );
void lp_setup_choose_point( struct lp_setup_context *setup );
struct lp_scene *lp_setup_get_current_scene(struct lp_setup_context *setup);
void lp_setup_init_vbuf(struct lp_setup_context *setup);
void lp_setup_update_state( struct lp_setup_context *setup );
void lp_setup_destroy( struct lp_setup_context *setup );
#endif
|
