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
|
#include <inttypes.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <GL/glx.h>
/* Linux headers don't work properly */
#define __USE_GNU
#include <dlfcn.h>
#undef __USE_GNU
/* HP-UX doesn't define RTLD_DEFAULT. */
#if defined(_HPUX) && !defined(RTLD_DEFAULT)
#define RTLD_DEFAULT NULL
#endif
/* We expect glXGetProcAddressARB to be defined */
extern void (*glXGetProcAddressARB(const GLubyte *procname))();
static const char * clazzNameBuffers = "com/jogamp/common/nio/Buffers";
static const char * clazzNameBuffersStaticCstrName = "copyByteBuffer";
static const char * clazzNameBuffersStaticCstrSignature = "(Ljava/nio/ByteBuffer;)Ljava/nio/ByteBuffer;";
static const char * clazzNameByteBuffer = "java/nio/ByteBuffer";
static jclass clazzBuffers = NULL;
static jmethodID cstrBuffers = NULL;
static jclass clazzByteBuffer = NULL;
static void _initClazzAccess(JNIEnv *env) {
jclass c;
if(NULL!=cstrBuffers) return ;
c = (*env)->FindClass(env, clazzNameBuffers);
if(NULL==c) {
fprintf(stderr, "FatalError: Java_jogamp_opengl_x11_glx_GLX: can't find %s\n", clazzNameBuffers);
(*env)->FatalError(env, clazzNameBuffers);
}
clazzBuffers = (jclass)(*env)->NewGlobalRef(env, c);
if(NULL==clazzBuffers) {
fprintf(stderr, "FatalError: Java_jogamp_opengl_x11_glx_GLX: can't use %s\n", clazzNameBuffers);
(*env)->FatalError(env, clazzNameBuffers);
}
c = (*env)->FindClass(env, clazzNameByteBuffer);
if(NULL==c) {
fprintf(stderr, "FatalError: Java_jogamp_opengl_x11_glx_GLX: can't find %s\n", clazzNameByteBuffer);
(*env)->FatalError(env, clazzNameByteBuffer);
}
clazzByteBuffer = (jclass)(*env)->NewGlobalRef(env, c);
if(NULL==c) {
fprintf(stderr, "FatalError: Java_jogamp_opengl_x11_glx_GLX: can't use %s\n", clazzNameByteBuffer);
(*env)->FatalError(env, clazzNameByteBuffer);
}
cstrBuffers = (*env)->GetStaticMethodID(env, clazzBuffers,
clazzNameBuffersStaticCstrName, clazzNameBuffersStaticCstrSignature);
if(NULL==cstrBuffers) {
fprintf(stderr, "FatalError: Java_jogamp_opengl_x11_glx_GLX:: can't create %s.%s %s\n",
clazzNameBuffers,
clazzNameBuffersStaticCstrName, clazzNameBuffersStaticCstrSignature);
(*env)->FatalError(env, clazzNameBuffersStaticCstrName);
}
}
/* Java->C glue code:
* Java package: jogamp.opengl.x11.glx.GLX
* Java method: int glXGetFBConfigAttributes(long dpy, long config, IntBuffer attributes, IntBuffer values)
*/
JNIEXPORT jint JNICALL
Java_jogamp_opengl_x11_glx_GLX_dispatch_1glXGetFBConfigAttributes(JNIEnv *env, jclass _unused, jlong dpy, jlong config, jint attributeCount, jobject attributes, jint attributes_byte_offset, jobject values, jint values_byte_offset, jlong procAddress) {
typedef int (APIENTRY*_local_PFNGLXGETFBCONFIGATTRIBPROC)(Display * dpy, GLXFBConfig config, int attribute, int * value);
_local_PFNGLXGETFBCONFIGATTRIBPROC ptr_glXGetFBConfigAttrib = (_local_PFNGLXGETFBCONFIGATTRIBPROC) (intptr_t) procAddress;
assert(ptr_glXGetFBConfigAttrib != NULL);
int err = 0;
if ( attributeCount > 0 && NULL != attributes ) {
int i;
int * attributes_ptr = (int *) (((char*) (*env)->GetDirectBufferAddress(env, attributes)) + attributes_byte_offset);
int * values_ptr = (int *) (((char*) (*env)->GetDirectBufferAddress(env, values)) + values_byte_offset);
for(i=0; 0 == err && i<attributeCount; i++) {
err = (* ptr_glXGetFBConfigAttrib) ((Display *) (intptr_t) dpy, (GLXFBConfig) (intptr_t) config, attributes_ptr[i], &values_ptr[i]);
}
if( 0 != err ) {
values_ptr[0] = i;
}
}
return (jint)err;
}
/* Java->C glue code:
* Java package: jogamp.opengl.x11.glx.GLX
* Java method: XVisualInfo glXGetVisualFromFBConfig(long dpy, long config)
* C function: XVisualInfo * glXGetVisualFromFBConfig(Display * dpy, GLXFBConfig config);
*/
JNIEXPORT jobject JNICALL
Java_jogamp_opengl_x11_glx_GLX_dispatch_1glXGetVisualFromFBConfig(JNIEnv *env, jclass _unused, jlong dpy, jlong config, jlong procAddress) {
typedef XVisualInfo* (APIENTRY*_local_PFNGLXGETVISUALFROMFBCONFIG)(Display * dpy, GLXFBConfig config);
_local_PFNGLXGETVISUALFROMFBCONFIG ptr_glXGetVisualFromFBConfig;
XVisualInfo * _res;
jobject jbyteSource;
jobject jbyteCopy;
ptr_glXGetVisualFromFBConfig = (_local_PFNGLXGETVISUALFROMFBCONFIG) (intptr_t) procAddress;
assert(ptr_glXGetVisualFromFBConfig != NULL);
_res = (* ptr_glXGetVisualFromFBConfig) ((Display *) (intptr_t) dpy, (GLXFBConfig) (intptr_t) config);
if (_res == NULL) return NULL;
_initClazzAccess(env);
jbyteSource = (*env)->NewDirectByteBuffer(env, _res, sizeof(XVisualInfo));
jbyteCopy = (*env)->CallStaticObjectMethod(env, clazzBuffers, cstrBuffers, jbyteSource);
(*env)->DeleteLocalRef(env, jbyteSource);
XFree(_res);
return jbyteCopy;
}
/* Java->C glue code:
* Java package: jogamp.opengl.x11.glx.GLX
* Java method: com.jogamp.common.nio.PointerBuffer dispatch_glXChooseFBConfig(long dpy, int screen, java.nio.IntBuffer attribList, java.nio.IntBuffer nitems)
* C function: GLXFBConfig * glXChooseFBConfig(Display * dpy, int screen, const int * attribList, int * nitems);
*/
JNIEXPORT jobject JNICALL
Java_jogamp_opengl_x11_glx_GLX_dispatch_1glXChooseFBConfig(JNIEnv *env, jclass _unused, jlong dpy, jint screen, jobject attribList, jint attribList_byte_offset, jobject nitems, jint nitems_byte_offset, jlong procAddress) {
typedef GLXFBConfig * (APIENTRY*_local_PFNGLXCHOOSEFBCONFIGPROC)(Display * dpy, int screen, const int * attribList, int * nitems);
_local_PFNGLXCHOOSEFBCONFIGPROC ptr_glXChooseFBConfig;
int * _attribList_ptr = NULL;
int * _nitems_ptr = NULL;
GLXFBConfig * _res;
int count;
jobject jbyteSource;
jobject jbyteCopy;
if ( NULL != attribList ) {
_attribList_ptr = (int *) (((char*) (*env)->GetDirectBufferAddress(env, attribList)) + attribList_byte_offset);
}
if ( NULL != nitems ) {
_nitems_ptr = (int *) (((char*) (*env)->GetDirectBufferAddress(env, nitems)) + nitems_byte_offset);
}
ptr_glXChooseFBConfig = (_local_PFNGLXCHOOSEFBCONFIGPROC) (intptr_t) procAddress;
assert(ptr_glXChooseFBConfig != NULL);
_res = (* ptr_glXChooseFBConfig) ((Display *) (intptr_t) dpy, (int) screen, (int *) _attribList_ptr, (int *) _nitems_ptr);
count = _nitems_ptr[0];
if (NULL == _res) return NULL;
_initClazzAccess(env);
jbyteSource = (*env)->NewDirectByteBuffer(env, _res, count * sizeof(GLXFBConfig));
jbyteCopy = (*env)->CallStaticObjectMethod(env, clazzBuffers, cstrBuffers, jbyteSource);
(*env)->DeleteLocalRef(env, jbyteSource);
XFree(_res);
return jbyteCopy;
}
/* Java->C glue code:
* Java package: jogamp.opengl.x11.glx.GLX
* Java method: XVisualInfo dispatch_glXChooseVisual(long dpy, int screen, java.nio.IntBuffer attribList)
* C function: XVisualInfo * glXChooseVisual(Display * dpy, int screen, int * attribList);
*/
JNIEXPORT jobject JNICALL
Java_jogamp_opengl_x11_glx_GLX_dispatch_1glXChooseVisual(JNIEnv *env, jclass _unused, jlong dpy, jint screen, jobject attribList, jint attribList_byte_offset, jlong procAddress) {
typedef XVisualInfo * (APIENTRY*_local_PFNGLXCHOOSEVISUALPROC)(Display * dpy, int screen, int * attribList);
_local_PFNGLXCHOOSEVISUALPROC ptr_glXChooseVisual;
int * _attribList_ptr = NULL;
XVisualInfo * _res;
jobject jbyteSource;
jobject jbyteCopy;
if ( NULL != attribList ) {
_attribList_ptr = (int *) (((char*) (*env)->GetDirectBufferAddress(env, attribList)) + attribList_byte_offset);
}
ptr_glXChooseVisual = (_local_PFNGLXCHOOSEVISUALPROC) (intptr_t) procAddress;
assert(ptr_glXChooseVisual != NULL);
_res = (* ptr_glXChooseVisual) ((Display *) (intptr_t) dpy, (int) screen, (int *) _attribList_ptr);
if (NULL == _res) return NULL;
_initClazzAccess(env);
jbyteSource = (*env)->NewDirectByteBuffer(env, _res, sizeof(XVisualInfo));
jbyteCopy = (*env)->CallStaticObjectMethod(env, clazzBuffers, cstrBuffers, jbyteSource);
(*env)->DeleteLocalRef(env, jbyteSource);
XFree(_res);
return jbyteCopy;
}
|
