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
|
/*
* mesa 3-D graphics library
* Version: 6.5
*
* Copyright (C) 1999-2006 Brian Paul 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, sublicense,
* 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 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 NONINFRINGEMENT. IN NO EVENT SHALL
* BRIAN PAUL 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.
*/
/**
* \file vbo_context.h
* \brief VBO builder module datatypes and definitions.
* \author Keith Whitwell
*/
#ifndef _VBO_H
#define _VBO_H
#include "main/mtypes.h"
struct _mesa_prim {
GLuint mode:8;
GLuint indexed:1;
GLuint begin:1;
GLuint end:1;
GLuint weak:1;
GLuint pad:20;
GLuint start;
GLuint count;
};
/* Would like to call this a "vbo_index_buffer", but this would be
* confusing as the indices are not neccessarily yet in a non-null
* buffer object.
*/
struct _mesa_index_buffer {
GLuint count;
GLenum type;
struct gl_buffer_object *obj;
const void *ptr;
};
GLboolean _vbo_CreateContext( GLcontext *ctx );
void _vbo_DestroyContext( GLcontext *ctx );
void _vbo_InvalidateState( GLcontext *ctx, GLuint new_state );
typedef void (*vbo_draw_func)( GLcontext *ctx,
const struct gl_client_array **arrays,
const struct _mesa_prim *prims,
GLuint nr_prims,
const struct _mesa_index_buffer *ib,
GLuint min_index,
GLuint max_index );
/* Utility function to cope with various constraints on tnl modules or
* hardware. This can be used to split an incoming set of arrays and
* primitives against the following constraints:
* - Maximum number of indices in index buffer.
* - Maximum number of vertices referenced by index buffer.
* - Maximum hardware vertex buffer size.
*/
struct split_limits {
GLuint max_verts;
GLuint max_indices;
GLuint max_vb_size; /* bytes */
};
void vbo_split_prims( GLcontext *ctx,
const struct gl_client_array *arrays[],
const struct _mesa_prim *prim,
GLuint nr_prims,
const struct _mesa_index_buffer *ib,
GLuint min_index,
GLuint max_index,
vbo_draw_func draw,
const struct split_limits *limits );
/* Helpers for dealing translating away non-zero min_index.
*/
GLboolean vbo_all_varyings_in_vbos( const struct gl_client_array *arrays[] );
void vbo_rebase_prims( GLcontext *ctx,
const struct gl_client_array *arrays[],
const struct _mesa_prim *prim,
GLuint nr_prims,
const struct _mesa_index_buffer *ib,
GLuint min_index,
GLuint max_index,
vbo_draw_func draw );
void vbo_use_buffer_objects(GLcontext *ctx);
void vbo_set_draw_func(GLcontext *ctx, vbo_draw_func func);
void
_vbo_Color4f(GLfloat r, GLfloat g, GLfloat b, GLfloat a);
void
_vbo_Normal3f(GLfloat x, GLfloat y, GLfloat z);
void
_vbo_MultiTexCoord4f(GLenum target, GLfloat s, GLfloat t, GLfloat r, GLfloat q);
void
_vbo_Materialfv(GLenum face, GLenum pname, const GLfloat *params);
void
_vbo_VertexAttrib4f(GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w);
#endif
|
