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
|
/**************************************************************************
*
* Copyright 2011 Jose Fonseca
* 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.
*
**************************************************************************/
#pragma once
#include <string.h>
#include <stdlib.h>
#include <map>
#include "glimports.hpp"
#include "glfeatures.hpp"
namespace gltrace {
/**
* OpenGL ES buffers cannot be read. This class is used to track index buffer
* contents.
*/
class Buffer {
public:
GLsizeiptr size;
GLvoid *data;
Buffer() :
size(0),
data(0)
{}
~Buffer() {
free(data);
}
void
bufferData(GLsizeiptr new_size, const void *new_data) {
if (new_size < 0) {
new_size = 0;
}
size = new_size;
data = realloc(data, new_size);
if (new_size && new_data) {
memcpy(data, new_data, size);
}
}
void
bufferSubData(GLsizeiptr offset, GLsizeiptr length, const void *new_data) {
if (offset >= 0 && offset < size && length > 0 && offset + length <= size && new_data) {
memcpy((GLubyte *)data + offset, new_data, length);
}
}
void
getSubData(GLsizeiptr offset, GLsizeiptr length, void *out_data) {
if (offset >= 0 && offset < size && length > 0 && offset + length <= size && out_data) {
memcpy(out_data, (GLubyte *)data + offset, length);
}
}
};
class Context {
public:
glfeatures::Profile profile;
glfeatures::Extensions extensions;
glfeatures::Features features;
bool user_arrays = false;
bool user_arrays_nv = false;
bool userArraysOnBegin = false;
unsigned retain_count = 0;
// Whether it has been bound before
bool bound = false;
// Whether it has been bound to a drawable
bool boundDrawable = false;
// TODO: This will fail for buffers shared by multiple contexts.
std::map <GLuint, Buffer> buffers;
Context(void) :
profile(glfeatures::API_GL, 1, 0)
{ }
inline bool
needsShadowBuffers(void)
{
return profile.es();
}
};
void
createContext(uintptr_t context_id);
void
retainContext(uintptr_t context_id);
bool
releaseContext(uintptr_t context_id);
void
setContext(uintptr_t context_id);
void
clearContext(void);
gltrace::Context *
getContext(void);
const GLubyte *
_glGetString_override(GLenum name);
void
_glGetIntegerv_override(GLenum pname, GLint *params);
const GLubyte *
_glGetStringi_override(GLenum name, GLuint index);
} /* namespace gltrace */
|
