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support loading EGL libraries from /vendor/lib/egl as well as /system/lib/egl 

Change-Id: Idd9ca85ce3ba6c92234375071b53e5365e689062
This commit is contained in:
Brian Swetland 2010-09-20 12:58:15 -07:00
parent 1f6bf40676
commit 2b9e4f6a24
2 changed files with 16 additions and 14 deletions
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28
opengl/libs/EGL/Loader.cpp
View File

@ -136,30 +136,24 @@ void* Loader::open(EGLNativeDisplayType display, int impl, egl_connection_t* cnx
*/
void* dso;
char path[PATH_MAX];
int index = int(display);
driver_t* hnd = 0;
const char* const format = "/system/lib/egl/lib%s_%s.so";
char const* tag = getTag(index, impl);
if (tag) {
snprintf(path, PATH_MAX, format, "GLES", tag);
dso = load_driver(path, cnx, EGL | GLESv1_CM | GLESv2);
dso = load_driver("GLES", tag, cnx, EGL | GLESv1_CM | GLESv2);
if (dso) {
hnd = new driver_t(dso);
} else {
// Always load EGL first
snprintf(path, PATH_MAX, format, "EGL", tag);
dso = load_driver(path, cnx, EGL);
dso = load_driver("EGL", tag, cnx, EGL);
if (dso) {
hnd = new driver_t(dso);
// TODO: make this more automated
snprintf(path, PATH_MAX, format, "GLESv1_CM", tag);
hnd->set( load_driver(path, cnx, GLESv1_CM), GLESv1_CM );
hnd->set( load_driver("GLESv1_CM", tag, cnx, GLESv1_CM), GLESv1_CM );
snprintf(path, PATH_MAX, format, "GLESv2", tag);
hnd->set( load_driver(path, cnx, GLESv2), GLESv2 );
hnd->set( load_driver("GLESv2", tag, cnx, GLESv2), GLESv2 );
}
}
}
@ -222,12 +216,20 @@ void Loader::init_api(void* dso,
}
}
void *Loader::load_driver(const char* driver_absolute_path,
void *Loader::load_driver(const char* kind, const char *tag,
egl_connection_t* cnx, uint32_t mask)
{
char driver_absolute_path[PATH_MAX];
const char* const search1 = "/vendor/lib/egl/lib%s_%s.so";
const char* const search2 = "/system/lib/egl/lib%s_%s.so";
snprintf(driver_absolute_path, PATH_MAX, search1, kind, tag);
if (access(driver_absolute_path, R_OK)) {
// this happens often, we don't want to log an error
return 0;
snprintf(driver_absolute_path, PATH_MAX, search2, kind, tag);
if (access(driver_absolute_path, R_OK)) {
// this happens often, we don't want to log an error
return 0;
}
}
void* dso = dlopen(driver_absolute_path, RTLD_NOW | RTLD_LOCAL);

2
opengl/libs/EGL/Loader.h
View File

@ -74,7 +74,7 @@ public:
private:
Loader();
void *load_driver(const char* driver, egl_connection_t* cnx, uint32_t mask);
void *load_driver(const char* kind, const char *tag, egl_connection_t* cnx, uint32_t mask);
static __attribute__((noinline))
void init_api(void* dso,