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
|
/*
** Copyright 2007, The Android Open Source Project
**
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
**
** http://www.apache.org/licenses/LICENSE-2.0
**
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*/
#include <ctype.h>
#include <string.h>
#include <errno.h>
#include <sys/ioctl.h>
#include <GLES/gl.h>
#include <GLES/glext.h>
#include <cutils/log.h>
#include <cutils/properties.h>
#include "hooks.h"
#include "egl_impl.h"
using namespace android;
// set this to 1 for crude GL debugging
#define CHECK_FOR_GL_ERRORS 0
// ----------------------------------------------------------------------------
// extensions for the framework
// ----------------------------------------------------------------------------
extern "C" {
GL_API void GL_APIENTRY glColorPointerBounds(GLint size, GLenum type, GLsizei stride,
const GLvoid *ptr, GLsizei count);
GL_API void GL_APIENTRY glNormalPointerBounds(GLenum type, GLsizei stride,
const GLvoid *pointer, GLsizei count);
GL_API void GL_APIENTRY glTexCoordPointerBounds(GLint size, GLenum type,
GLsizei stride, const GLvoid *pointer, GLsizei count);
GL_API void GL_APIENTRY glVertexPointerBounds(GLint size, GLenum type,
GLsizei stride, const GLvoid *pointer, GLsizei count);
GL_API void GL_APIENTRY glPointSizePointerOESBounds(GLenum type,
GLsizei stride, const GLvoid *pointer, GLsizei count);
GL_API void GL_APIENTRY glMatrixIndexPointerOESBounds(GLint size, GLenum type,
GLsizei stride, const GLvoid *pointer, GLsizei count);
GL_API void GL_APIENTRY glWeightPointerOESBounds(GLint size, GLenum type,
GLsizei stride, const GLvoid *pointer, GLsizei count);
}
void glColorPointerBounds(GLint size, GLenum type, GLsizei stride,
const GLvoid *ptr, GLsizei count) {
glColorPointer(size, type, stride, ptr);
}
void glNormalPointerBounds(GLenum type, GLsizei stride,
const GLvoid *pointer, GLsizei count) {
glNormalPointer(type, stride, pointer);
}
void glTexCoordPointerBounds(GLint size, GLenum type,
GLsizei stride, const GLvoid *pointer, GLsizei count) {
glTexCoordPointer(size, type, stride, pointer);
}
void glVertexPointerBounds(GLint size, GLenum type,
GLsizei stride, const GLvoid *pointer, GLsizei count) {
glVertexPointer(size, type, stride, pointer);
}
void GL_APIENTRY glPointSizePointerOESBounds(GLenum type,
GLsizei stride, const GLvoid *pointer, GLsizei count) {
glPointSizePointerOES(type, stride, pointer);
}
GL_API void GL_APIENTRY glMatrixIndexPointerOESBounds(GLint size, GLenum type,
GLsizei stride, const GLvoid *pointer, GLsizei count) {
glMatrixIndexPointerOES(size, type, stride, pointer);
}
GL_API void GL_APIENTRY glWeightPointerOESBounds(GLint size, GLenum type,
GLsizei stride, const GLvoid *pointer, GLsizei count) {
glWeightPointerOES(size, type, stride, pointer);
}
// ----------------------------------------------------------------------------
// Actual GL entry-points
// ----------------------------------------------------------------------------
#undef API_ENTRY
#undef CALL_GL_API
#undef CALL_GL_API_RETURN
#if USE_FAST_TLS_KEY && !CHECK_FOR_GL_ERRORS
#ifdef HAVE_TEGRA_ERRATA_657451
#define MUNGE_TLS(_tls) \
"bfi " #_tls ", " #_tls ", #20, #1 \n" \
"bic " #_tls ", " #_tls ", #1 \n"
#else
#define MUNGE_TLS(_tls) "\n"
#endif
#ifdef HAVE_ARM_TLS_REGISTER
#define GET_TLS(reg) \
"mrc p15, 0, " #reg ", c13, c0, 3 \n" \
MUNGE_TLS(reg)
#else
#define GET_TLS(reg) \
"mov " #reg ", #0xFFFF0FFF \n" \
"ldr " #reg ", [" #reg ", #-15] \n"
#endif
#define API_ENTRY(_api) __attribute__((naked)) _api
#define CALL_GL_API(_api, ...) \
asm volatile( \
GET_TLS(r12) \
"ldr r12, [r12, %[tls]] \n" \
"cmp r12, #0 \n" \
"ldrne pc, [r12, %[api]] \n" \
"bx lr \n" \
: \
: [tls] "J"(TLS_SLOT_OPENGL_API*4), \
[api] "J"(__builtin_offsetof(gl_hooks_t, gl._api)) \
: \
);
#define CALL_GL_API_RETURN(_api, ...) \
CALL_GL_API(_api, __VA_ARGS__) \
return 0; // placate gcc's warnings. never reached.
#else
#if CHECK_FOR_GL_ERRORS
#define CHECK_GL_ERRORS(_api) \
do { GLint err = glGetError(); \
LOGE_IF(err != GL_NO_ERROR, "%s failed (0x%04X)", #_api, err); \
} while(false);
#else
#define CHECK_GL_ERRORS(_api) do { } while(false);
#endif
#define API_ENTRY(_api) _api
#define CALL_GL_API(_api, ...) \
gl_hooks_t::gl_t const * const _c = &getGlThreadSpecific()->gl; \
_c->_api(__VA_ARGS__); \
CHECK_GL_ERRORS(_api)
#define CALL_GL_API_RETURN(_api, ...) \
gl_hooks_t::gl_t const * const _c = &getGlThreadSpecific()->gl; \
return _c->_api(__VA_ARGS__)
#endif
extern "C" {
#include "gl_api.in"
#include "glext_api.in"
}
#undef API_ENTRY
#undef CALL_GL_API
#undef CALL_GL_API_RETURN
/*
* These GL calls are special because they need to EGL to retrieve some
* informations before they can execute.
*/
extern "C" void __glEGLImageTargetTexture2DOES(GLenum target, GLeglImageOES image);
extern "C" void __glEGLImageTargetRenderbufferStorageOES(GLenum target, GLeglImageOES image);
void glEGLImageTargetTexture2DOES(GLenum target, GLeglImageOES image)
{
GLeglImageOES implImage =
(GLeglImageOES)egl_get_image_for_current_context((EGLImageKHR)image);
__glEGLImageTargetTexture2DOES(target, implImage);
}
void glEGLImageTargetRenderbufferStorageOES(GLenum target, GLeglImageOES image)
{
GLeglImageOES implImage =
(GLeglImageOES)egl_get_image_for_current_context((EGLImageKHR)image);
__glEGLImageTargetRenderbufferStorageOES(target, implImage);
}
|
