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
|
/*
* mesa 3-D graphics library
*
* 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
* THE AUTHORS OR COPYRIGHT HOLDERS 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 Array type draw functions, the main workhorse of any OpenGL API
* \author Keith Whitwell
*/
#ifndef DRAW_H
#define DRAW_H
#include <stdbool.h>
#include "main/glheader.h"
#ifdef __cplusplus
extern "C" {
#endif
struct gl_context;
struct _mesa_prim
{
GLuint mode:8; /**< GL_POINTS, GL_LINES, GL_QUAD_STRIP, etc */
GLuint indexed:1;
GLuint begin:1;
GLuint end:1;
GLuint is_indirect:1;
GLuint pad:20;
GLuint start;
GLuint count;
GLint basevertex;
GLuint num_instances;
GLuint base_instance;
GLuint draw_id;
GLsizeiptr indirect_offset;
};
/* 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;
unsigned index_size;
struct gl_buffer_object *obj;
const void *ptr;
};
void
_mesa_initialize_exec_dispatch(const struct gl_context *ctx,
struct _glapi_table *exec);
void
_mesa_draw_indirect(struct gl_context *ctx, GLuint mode,
struct gl_buffer_object *indirect_data,
GLsizeiptr indirect_offset, unsigned draw_count,
unsigned stride,
struct gl_buffer_object *indirect_draw_count_buffer,
GLsizeiptr indirect_draw_count_offset,
const struct _mesa_index_buffer *ib);
void GLAPIENTRY
_mesa_DrawArrays(GLenum mode, GLint first, GLsizei count);
void GLAPIENTRY
_mesa_DrawArraysInstanced(GLenum mode, GLint first, GLsizei count,
GLsizei primcount);
void GLAPIENTRY
_mesa_DrawElements(GLenum mode, GLsizei count, GLenum type,
const GLvoid *indices);
void GLAPIENTRY
_mesa_DrawRangeElements(GLenum mode, GLuint start, GLuint end, GLsizei count,
GLenum type, const GLvoid *indices);
void GLAPIENTRY
_mesa_DrawElementsBaseVertex(GLenum mode, GLsizei count, GLenum type,
const GLvoid *indices, GLint basevertex);
void GLAPIENTRY
_mesa_DrawRangeElementsBaseVertex(GLenum mode, GLuint start, GLuint end,
GLsizei count, GLenum type,
const GLvoid *indices,
GLint basevertex);
void GLAPIENTRY
_mesa_DrawTransformFeedback(GLenum mode, GLuint name);
void GLAPIENTRY
_mesa_MultiDrawArrays(GLenum mode, const GLint *first,
const GLsizei *count, GLsizei primcount);
void GLAPIENTRY
_mesa_MultiDrawElements(GLenum mode, const GLsizei *count, GLenum type,
const GLvoid *const *indices, GLsizei primcount);
void GLAPIENTRY
_mesa_MultiDrawElementsBaseVertex(GLenum mode,
const GLsizei *count, GLenum type,
const GLvoid * const * indices, GLsizei primcount,
const GLint *basevertex);
void GLAPIENTRY
_mesa_MultiModeDrawArraysIBM(const GLenum * mode, const GLint * first,
const GLsizei * count,
GLsizei primcount, GLint modestride);
void GLAPIENTRY
_mesa_MultiModeDrawElementsIBM(const GLenum * mode, const GLsizei * count,
GLenum type, const GLvoid * const * indices,
GLsizei primcount, GLint modestride);
#ifdef __cplusplus
} // extern "C"
#endif
#endif
|
