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
162
163
164
|
/*
* Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com>
*
* 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
* on 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
* THE AUTHOR(S) AND/OR THEIR 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. */
#ifndef R300_CONTEXT_H
#define R300_CONTEXT_H
#include "draw/draw_context.h"
#include "pipe/p_context.h"
#include "util/u_memory.h"
#include "r300_clear.h"
#include "r300_screen.h"
#include "r300_winsys.h"
struct r300_blend_state {
uint32_t blend_control; /* R300_RB3D_CBLEND: 0x4e04 */
uint32_t alpha_blend_control; /* R300_RB3D_ABLEND: 0x4e08 */
uint32_t rop; /* R300_RB3D_ROPCNTL: 0x4e18 */
uint32_t dither; /* R300_RB3D_DITHER_CTL: 0x4e50 */
};
struct r300_blend_color_state {
/* RV515 and earlier */
uint32_t blend_color; /* R300_RB3D_BLEND_COLOR: 0x4e10 */
/* R520 and newer */
uint32_t blend_color_red_alpha; /* R500_RB3D_CONSTANT_COLOR_AR: 0x4ef8 */
uint32_t blend_color_green_blue; /* R500_RB3D_CONSTANT_COLOR_GB: 0x4efc */
};
struct r300_dsa_state {
uint32_t alpha_function; /* R300_FG_ALPHA_FUNC: 0x4bd4 */
uint32_t alpha_reference; /* R500_FG_ALPHA_VALUE: 0x4be0 */
uint32_t z_buffer_control; /* R300_ZB_CNTL: 0x4f00 */
uint32_t z_stencil_control; /* R300_ZB_ZSTENCILCNTL: 0x4f04 */
uint32_t stencil_ref_mask; /* R300_ZB_STENCILREFMASK: 0x4f08 */
uint32_t z_buffer_top; /* R300_ZB_ZTOP: 0x4f14 */
uint32_t stencil_ref_bf; /* R500_ZB_STENCILREFMASK_BF: 0x4fd4 */
};
struct r300_fs_state {
};
struct r300_rs_state {
uint32_t vap_control_status; /* R300_VAP_CNTL_STATUS: 0x2140 */
uint32_t point_size; /* R300_GA_POINT_SIZE: 0x421c */
uint32_t line_control; /* R300_GA_LINE_CNTL: 0x4234 */
uint32_t depth_scale_front; /* R300_SU_POLY_OFFSET_FRONT_SCALE: 0x42a4 */
uint32_t depth_offset_front;/* R300_SU_POLY_OFFSET_FRONT_OFFSET: 0x42a8 */
uint32_t depth_scale_back; /* R300_SU_POLY_OFFSET_BACK_SCALE: 0x42ac */
uint32_t depth_offset_back; /* R300_SU_POLY_OFFSET_BACK_OFFSET: 0x42b0 */
uint32_t polygon_offset_enable; /* R300_SU_POLY_OFFSET_ENABLE: 0x42b4 */
uint32_t cull_mode; /* R300_SU_CULL_MODE: 0x42b8 */
uint32_t line_stipple_config; /* R300_GA_LINE_STIPPLE_CONFIG: 0x4328 */
uint32_t line_stipple_value; /* R300_GA_LINE_STIPPLE_VALUE: 0x4260 */
};
struct r300_sampler_state {
uint32_t filter0; /* R300_TX_FILTER0: 0x4400 */
uint32_t filter1; /* R300_TX_FILTER1: 0x4440 */
uint32_t border_color; /* R300_TX_BORDER_COLOR: 0x45c0 */
};
struct r300_scissor_state {
uint32_t scissor_top_left; /* R300_SC_SCISSORS_TL: 0x43e0 */
uint32_t scissor_bottom_right; /* R300_SC_SCISSORS_BR: 0x43e4 */
};
struct r300_texture_state {
};
#define R300_NEW_BLEND 0x0001
#define R300_NEW_BLEND_COLOR 0x0002
#define R300_NEW_DSA 0x0004
#define R300_NEW_FRAGMENT_SHADER 0x0008
#define R300_NEW_RASTERIZER 0x0010
#define R300_NEW_SAMPLER 0x0020
#define R300_NEW_SCISSOR 0x2000
#define R300_NEW_VERTEX_SHADER 0x4000
#define R300_NEW_KITCHEN_SINK 0x7fff
struct r300_texture {
/* Parent class */
struct pipe_texture tex;
/* Offsets into the buffer. */
unsigned offset[PIPE_MAX_TEXTURE_LEVELS];
/* Total size of this texture, in bytes. */
unsigned size;
/* Pipe buffer backing this texture. */
struct pipe_buffer* buffer;
};
struct r300_context {
/* Parent class */
struct pipe_context context;
/* The interface to the windowing system, etc. */
struct r300_winsys* winsys;
/* Draw module. Used mostly for SW TCL. */
struct draw_context* draw;
/* Various CSO state objects. */
/* Blend state. */
struct r300_blend_state* blend_state;
/* Blend color state. */
struct r300_blend_color_state* blend_color_state;
/* Depth, stencil, and alpha state. */
struct r300_dsa_state* dsa_state;
/* Fragment shader state. */
struct r300_fs_state* fs_state;
/* Framebuffer state. We currently don't need our own version of this. */
struct pipe_framebuffer_state framebuffer_state;
/* Rasterizer state. */
struct r300_rs_state* rs_state;
/* Sampler states. */
struct r300_sampler_state* sampler_states[8];
int sampler_count;
/* Scissor state. */
struct r300_scissor_state* scissor_state;
/* Texture states. */
struct r300_texture* textures[8];
struct r300_texture_state* texture_states[8];
int texture_count;
/* Bitmask of dirty state objects. */
uint32_t dirty_state;
/* Flag indicating whether or not the HW is dirty. */
uint32_t dirty_hw;
};
/* Convenience cast wrapper. */
static struct r300_context* r300_context(struct pipe_context* context) {
return (struct r300_context*)context;
}
/* Context initialization. */
void r300_init_state_functions(struct r300_context* r300);
void r300_init_surface_functions(struct r300_context* r300);
struct pipe_context* r300_create_context(struct pipe_screen* screen,
struct pipe_winsys* winsys,
struct r300_winsys* r300_winsys);
#endif /* R300_CONTEXT_H */
|
