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authorChia-I Wu <olvaffe@gmail.com>2009-08-21 13:55:30 +0800
committerBrian Paul <brianp@vmware.com>2009-08-21 08:34:34 -0600
commitb1f156f0ecc93e456757fa95497b2af9b045d4de (patch)
tree43bbe338d67c35e8cdc3ae0d2e36f999a4714080 /src/egl/main
parent5a459d58fca2b71cb77c39f98df8a81ce6298421 (diff)
egl: Make _eglChooseDriver return the filename of the driver.
The real difference is that the driver suffix is now appended. This also fixes an annoying bug that EGL_DRIVER could not specify the path to a driver because a suffix was always appended. Signed-off-by: Chia-I Wu <olvaffe@gmail.com>
Diffstat (limited to 'src/egl/main')
-rw-r--r--src/egl/main/egldriver.c46
1 files changed, 33 insertions, 13 deletions
diff --git a/src/egl/main/egldriver.c b/src/egl/main/egldriver.c
index 06e10f6189..87786e36bb 100644
--- a/src/egl/main/egldriver.c
+++ b/src/egl/main/egldriver.c
@@ -87,6 +87,8 @@ _eglChooseDriver(_EGLDisplay *dpy, char **argsRet)
{
char *path = NULL;
const char *args = NULL;
+ const char *suffix = NULL;
+ const char *p;
path = getenv("EGL_DRIVER");
if (path)
@@ -97,11 +99,30 @@ _eglChooseDriver(_EGLDisplay *dpy, char **argsRet)
/* assume (wrongly!) that the native display is a display string */
path = _eglSplitDisplayString((const char *) dpy->NativeDisplay, &args);
}
+ suffix = "so";
+#elif defined(_EGL_PLATFORM_WINDOWS)
+ suffix = "dll";
#endif /* _EGL_PLATFORM_X */
if (!path)
path = _eglstrdup(DefaultDriverName);
+ /* append suffix if there isn't */
+ p = strrchr(path, '.');
+ if (!p && suffix) {
+ size_t len = strlen(path);
+ char *tmp = malloc(len + strlen(suffix) + 2);
+ if (tmp) {
+ memcpy(tmp, path, len);
+ tmp[len++] = '.';
+ tmp[len] = '\0';
+ strcat(tmp + len, suffix);
+
+ free(path);
+ path = tmp;
+ }
+ }
+
if (argsRet)
*argsRet = (args) ? _eglstrdup(args) : NULL;
@@ -113,13 +134,12 @@ _eglChooseDriver(_EGLDisplay *dpy, char **argsRet)
* Open the named driver and find its bootstrap function: _eglMain().
*/
static _EGLMain_t
-_eglOpenLibrary(const char *driverName, lib_handle *handle)
+_eglOpenLibrary(const char *driverPath, lib_handle *handle)
{
_EGLMain_t mainFunc;
lib_handle lib;
- char driverFilename[1000];
- assert(driverName);
+ assert(driverPath);
#if defined(_EGL_PLATFORM_WINDOWS)
/* Use static linking on Windows for now */
@@ -128,31 +148,31 @@ _eglOpenLibrary(const char *driverName, lib_handle *handle)
mainFunc = (_EGLMain_t)_eglMain;
#else
/* XXX untested */
- sprintf(driverFilename, "%s.dll", driverName);
- _eglLog(_EGL_DEBUG, "dlopen(%s)", driverFilename);
- lib = open_library(driverFilename);
+ _eglLog(_EGL_DEBUG, "dlopen(%s)", driverPath);
+ lib = open_library(driverPath);
if (!lib) {
_eglLog(_EGL_WARNING, "Could not open %s",
- driverFilename);
+ driverPath);
return NULL;
}
mainFunc = (_EGLMain_t) GetProcAddress(lib, "_eglMain");
#endif
#elif defined(_EGL_PLATFORM_X)
- /* XXX also prepend a directory path??? */
- sprintf(driverFilename, "%s.so", driverName);
- _eglLog(_EGL_DEBUG, "dlopen(%s)", driverFilename);
- lib = open_library(driverFilename);
+ _eglLog(_EGL_DEBUG, "dlopen(%s)", driverPath);
+ lib = open_library(driverPath);
if (!lib) {
_eglLog(_EGL_WARNING, "Could not open %s (%s)",
- driverFilename, dlerror());
+ driverPath, dlerror());
+ if (!getenv("EGL_DRIVER"))
+ _eglLog(_EGL_WARNING,
+ "The driver can be overridden by setting EGL_DRIVER");
return NULL;
}
mainFunc = (_EGLMain_t) dlsym(lib, "_eglMain");
#endif
if (!mainFunc) {
- _eglLog(_EGL_WARNING, "_eglMain not found in %s", driverFilename);
+ _eglLog(_EGL_WARNING, "_eglMain not found in %s", driverPath);
if (lib)
close_library(lib);
return NULL;