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egl: some prototype Windows code (eq for dlopen,dlsym)

This commit is contained in:
Brian Paul 2008-06-11 11:37:46 -06:00
parent 6f7ed99b30
commit 6b389b5c2f
1 changed files with 41 additions and 4 deletions
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45
src/egl/main/egldriver.c
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@ -5,7 +5,6 @@
#include <assert.h>
#include <string.h>
#include <dlfcn.h>
#include <stdio.h>
#include <stdlib.h>
#include "eglconfig.h"
@ -22,6 +21,7 @@
#include "eglsurface.h"
#if defined(_EGL_PLATFORM_X)
#include <dlfcn.h>
#include "eglx.h"
#elif defined(_EGL_PLATFORM_WINDOWS)
/* XXX to do */
@ -165,39 +165,70 @@ _eglOpenDriver(_EGLDisplay *dpy, const char *driverName, const char *args)
{
_EGLDriver *drv;
_EGLMain_t mainFunc;
#if defined(_EGL_PLATFORM_WINDOWS)
HMODULE lib;
#elif defined(_EGL_PLATFORM_X)
void *lib;
#endif
char driverFilename[1000];
assert(driverName);
#if defined(_EGL_PLATFORM_WINDOWS)
/* XXX untested */
sprintf(driverFilename, "%s.dll", driverName);
_eglLog(_EGL_DEBUG, "dlopen(%s)", driverFilename);
lib = LoadLibrary(driverFilename);
#elif defined(_EGL_PLATFORM_X)
/* XXX also prepend a directory path??? */
sprintf(driverFilename, "%s.so", driverName);
_eglLog(_EGL_DEBUG, "dlopen(%s)", driverFilename);
lib = dlopen(driverFilename, RTLD_NOW);
#endif
if (!lib) {
_eglLog(_EGL_WARNING, "Could not open %s (%s)",
driverFilename, dlerror());
return NULL;
}
#if defined(_EGL_PLATFORM_WINDOWS)
mainFunc = (_EGLMain_t) GetProcAddress(lib, "_eglMain");
#elif defined(_EGL_PLATFORM_X)
mainFunc = (_EGLMain_t) dlsym(lib, "_eglMain");
#endif
if (!mainFunc) {
_eglLog(_EGL_WARNING, "_eglMain not found in %s", driverFilename);
#if defined(_EGL_PLATFORM_WINDOWS)
FreeLibrary(lib);
#elif defined(_EGL_PLATFORM_X)
dlclose(lib);
#endif
return NULL;
}
drv = mainFunc(dpy, args);
if (!drv) {
#if defined(_EGL_PLATFORM_WINDOWS)
FreeLibrary(lib);
#elif defined(_EGL_PLATFORM_X)
dlclose(lib);
#endif
return NULL;
}
/* with a recurvise open you want the inner most handle */
if (!drv->LibHandle)
if (!drv->LibHandle) {
drv->LibHandle = lib;
else
}
else {
#if defined(_EGL_PLATFORM_WINDOWS)
FreeLibrary(lib);
#elif defined(_EGL_PLATFORM_X)
dlclose(lib);
#endif
}
/* update the global notion of supported APIs */
_eglGlobal.ClientAPIsMask |= drv->ClientAPIsMask;
@ -221,7 +252,13 @@ _eglCloseDriver(_EGLDriver *drv, EGLDisplay dpy)
*/
b = drv->API.Terminate(drv, dpy);
#if defined(_EGL_PLATFORM_WINDOWS)
FreeLibrary(handle);
#elif defined(_EGL_PLATFORM_X)
dlclose(handle);
#endif
return b;
}