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
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
|
/**************************************************************************
*
* Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
* 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 TUNGSTEN GRAPHICS 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.
*
**************************************************************************/
/**
* \brief Public interface into the drawing module.
*/
/* Authors: Keith Whitwell <keith@tungstengraphics.com>
*/
#ifndef DRAW_CONTEXT_H
#define DRAW_CONTEXT_H
#include "pipe/p_state.h"
struct pipe_context;
struct draw_context;
struct draw_stage;
struct draw_vertex_shader;
struct draw_geometry_shader;
struct tgsi_sampler;
struct draw_context *draw_create( struct pipe_context *pipe );
void draw_destroy( struct draw_context *draw );
void draw_set_viewport_state( struct draw_context *draw,
const struct pipe_viewport_state *viewport );
void draw_set_clip_state( struct draw_context *pipe,
const struct pipe_clip_state *clip );
void draw_set_rasterizer_state( struct draw_context *draw,
const struct pipe_rasterizer_state *raster,
void *rast_handle );
void draw_set_rasterize_stage( struct draw_context *draw,
struct draw_stage *stage );
void draw_wide_point_threshold(struct draw_context *draw, float threshold);
void draw_wide_line_threshold(struct draw_context *draw, float threshold);
void draw_enable_line_stipple(struct draw_context *draw, boolean enable);
void draw_enable_point_sprites(struct draw_context *draw, boolean enable);
void draw_set_mrd(struct draw_context *draw, double mrd);
boolean
draw_install_aaline_stage(struct draw_context *draw, struct pipe_context *pipe);
boolean
draw_install_aapoint_stage(struct draw_context *draw, struct pipe_context *pipe);
boolean
draw_install_pstipple_stage(struct draw_context *draw, struct pipe_context *pipe);
int
draw_find_shader_output(const struct draw_context *draw,
uint semantic_name, uint semantic_index);
uint
draw_num_shader_outputs(const struct draw_context *draw);
void
draw_texture_samplers(struct draw_context *draw,
uint num_samplers,
struct tgsi_sampler **samplers);
/*
* Vertex shader functions
*/
struct draw_vertex_shader *
draw_create_vertex_shader(struct draw_context *draw,
const struct pipe_shader_state *shader);
void draw_bind_vertex_shader(struct draw_context *draw,
struct draw_vertex_shader *dvs);
void draw_delete_vertex_shader(struct draw_context *draw,
struct draw_vertex_shader *dvs);
/*
* Geometry shader functions
*/
struct draw_geometry_shader *
draw_create_geometry_shader(struct draw_context *draw,
const struct pipe_shader_state *shader);
void draw_bind_geometry_shader(struct draw_context *draw,
struct draw_geometry_shader *dvs);
void draw_delete_geometry_shader(struct draw_context *draw,
struct draw_geometry_shader *dvs);
/*
* Vertex data functions
*/
void draw_set_vertex_buffers(struct draw_context *draw,
unsigned count,
const struct pipe_vertex_buffer *buffers);
void draw_set_vertex_elements(struct draw_context *draw,
unsigned count,
const struct pipe_vertex_element *elements);
void
draw_set_mapped_element_buffer_range( struct draw_context *draw,
unsigned eltSize,
unsigned min_index,
unsigned max_index,
const void *elements );
void draw_set_mapped_element_buffer( struct draw_context *draw,
unsigned eltSize,
const void *elements );
void draw_set_mapped_vertex_buffer(struct draw_context *draw,
unsigned attr, const void *buffer);
void
draw_set_mapped_constant_buffer(struct draw_context *draw,
unsigned shader_type,
unsigned slot,
const void *buffer,
unsigned size);
/***********************************************************************
* draw_prim.c
*/
void draw_arrays(struct draw_context *draw, unsigned prim,
unsigned start, unsigned count);
void
draw_arrays_instanced(struct draw_context *draw,
unsigned mode,
unsigned start,
unsigned count,
unsigned startInstance,
unsigned instanceCount);
void draw_flush(struct draw_context *draw);
/*******************************************************************************
* Driver backend interface
*/
struct vbuf_render;
void draw_set_render( struct draw_context *draw,
struct vbuf_render *render );
void draw_set_driver_clipping( struct draw_context *draw,
boolean bypass_clipping );
void draw_set_force_passthrough( struct draw_context *draw,
boolean enable );
/*******************************************************************************
* Draw pipeline
*/
boolean draw_need_pipeline(const struct draw_context *draw,
const struct pipe_rasterizer_state *rasterizer,
unsigned prim );
#endif /* DRAW_CONTEXT_H */
|
