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
204
205
|
/*
* 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/glheader.h"
struct gl_client_array;
struct gl_context;
struct gl_transform_feedback_object;
struct _mesa_prim {
GLuint mode:8; /**< GL_POINTS, GL_LINES, GL_QUAD_STRIP, etc */
GLuint indexed:1;
GLuint begin:1;
GLuint end:1;
GLuint weak:1;
GLuint no_current_update:1;
GLuint pad:19;
GLuint start;
GLuint count;
GLint basevertex;
GLsizei num_instances;
};
/* 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( struct gl_context *ctx );
void _vbo_DestroyContext( struct gl_context *ctx );
void _vbo_InvalidateState( struct gl_context *ctx, GLuint new_state );
typedef void (*vbo_draw_func)( struct gl_context *ctx,
const struct _mesa_prim *prims,
GLuint nr_prims,
const struct _mesa_index_buffer *ib,
GLboolean index_bounds_valid,
GLuint min_index,
GLuint max_index,
struct gl_transform_feedback_object *tfb_vertcount );
/* 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( struct gl_context *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[] );
GLboolean vbo_any_varyings_in_vbos( const struct gl_client_array *arrays[] );
void vbo_rebase_prims( struct gl_context *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 );
static inline int
vbo_sizeof_ib_type(GLenum type)
{
switch (type) {
case GL_UNSIGNED_INT:
return sizeof(GLuint);
case GL_UNSIGNED_SHORT:
return sizeof(GLushort);
case GL_UNSIGNED_BYTE:
return sizeof(GLubyte);
default:
assert(!"unsupported index data type");
/* In case assert is turned off */
return 0;
}
}
void
vbo_get_minmax_indices(struct gl_context *ctx, const struct _mesa_prim *prim,
const struct _mesa_index_buffer *ib,
GLuint *min_index, GLuint *max_index, GLuint nr_prims);
void vbo_use_buffer_objects(struct gl_context *ctx);
void vbo_always_unmap_buffers(struct gl_context *ctx);
void vbo_set_draw_func(struct gl_context *ctx, vbo_draw_func func);
void vbo_check_buffers_are_unmapped(struct gl_context *ctx);
void vbo_bind_arrays(struct gl_context *ctx);
size_t
count_tessellated_primitives(const struct _mesa_prim *prim);
void
vbo_sw_primitive_restart(struct gl_context *ctx,
const struct _mesa_prim *prim,
GLuint nr_prims,
const struct _mesa_index_buffer *ib);
void GLAPIENTRY
_es_Color4f(GLfloat r, GLfloat g, GLfloat b, GLfloat a);
void GLAPIENTRY
_es_Normal3f(GLfloat x, GLfloat y, GLfloat z);
void GLAPIENTRY
_es_MultiTexCoord4f(GLenum target, GLfloat s, GLfloat t, GLfloat r, GLfloat q);
void GLAPIENTRY
_es_Materialfv(GLenum face, GLenum pname, const GLfloat *params);
void GLAPIENTRY
_es_Materialf(GLenum face, GLenum pname, GLfloat param);
void GLAPIENTRY
_es_VertexAttrib4f(GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w);
void GLAPIENTRY
_es_VertexAttrib1f(GLuint indx, GLfloat x);
void GLAPIENTRY
_es_VertexAttrib1fv(GLuint indx, const GLfloat* values);
void GLAPIENTRY
_es_VertexAttrib2f(GLuint indx, GLfloat x, GLfloat y);
void GLAPIENTRY
_es_VertexAttrib2fv(GLuint indx, const GLfloat* values);
void GLAPIENTRY
_es_VertexAttrib3f(GLuint indx, GLfloat x, GLfloat y, GLfloat z);
void GLAPIENTRY
_es_VertexAttrib3fv(GLuint indx, const GLfloat* values);
void GLAPIENTRY
_es_VertexAttrib4fv(GLuint indx, const GLfloat* values);
#endif
|
