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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 <assert.h>
#include <string.h> #include <string.h>
#include <dlfcn.h>
#include <stdio.h> #include <stdio.h>
#include <stdlib.h> #include <stdlib.h>
#include "eglconfig.h" #include "eglconfig.h"
@ -22,6 +21,7 @@
#include "eglsurface.h" #include "eglsurface.h"
#if defined(_EGL_PLATFORM_X) #if defined(_EGL_PLATFORM_X)
#include <dlfcn.h>
#include "eglx.h" #include "eglx.h"
#elif defined(_EGL_PLATFORM_WINDOWS) #elif defined(_EGL_PLATFORM_WINDOWS)
/* XXX to do */ /* XXX to do */
@ -165,39 +165,70 @@ _eglOpenDriver(_EGLDisplay *dpy, const char *driverName, const char *args)
{ {
_EGLDriver *drv; _EGLDriver *drv;
_EGLMain_t mainFunc; _EGLMain_t mainFunc;
#if defined(_EGL_PLATFORM_WINDOWS)
HMODULE lib;
#elif defined(_EGL_PLATFORM_X)
void *lib; void *lib;
#endif
char driverFilename[1000]; char driverFilename[1000];
assert(driverName); 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??? */ /* XXX also prepend a directory path??? */
sprintf(driverFilename, "%s.so", driverName); sprintf(driverFilename, "%s.so", driverName);
_eglLog(_EGL_DEBUG, "dlopen(%s)", driverFilename); _eglLog(_EGL_DEBUG, "dlopen(%s)", driverFilename);
lib = dlopen(driverFilename, RTLD_NOW); lib = dlopen(driverFilename, RTLD_NOW);
#endif
if (!lib) { if (!lib) {
_eglLog(_EGL_WARNING, "Could not open %s (%s)", _eglLog(_EGL_WARNING, "Could not open %s (%s)",
driverFilename, dlerror()); driverFilename, dlerror());
return NULL; return NULL;
} }
#if defined(_EGL_PLATFORM_WINDOWS)
mainFunc = (_EGLMain_t) GetProcAddress(lib, "_eglMain");
#elif defined(_EGL_PLATFORM_X)
mainFunc = (_EGLMain_t) dlsym(lib, "_eglMain"); mainFunc = (_EGLMain_t) dlsym(lib, "_eglMain");
#endif
if (!mainFunc) { if (!mainFunc) {
_eglLog(_EGL_WARNING, "_eglMain not found in %s", driverFilename); _eglLog(_EGL_WARNING, "_eglMain not found in %s", driverFilename);
#if defined(_EGL_PLATFORM_WINDOWS)
FreeLibrary(lib);
#elif defined(_EGL_PLATFORM_X)
dlclose(lib); dlclose(lib);
#endif
return NULL; return NULL;
} }
drv = mainFunc(dpy, args); drv = mainFunc(dpy, args);
if (!drv) { if (!drv) {
#if defined(_EGL_PLATFORM_WINDOWS)
FreeLibrary(lib);
#elif defined(_EGL_PLATFORM_X)
dlclose(lib); dlclose(lib);
#endif
return NULL; return NULL;
} }
/* with a recurvise open you want the inner most handle */ /* with a recurvise open you want the inner most handle */
if (!drv->LibHandle) if (!drv->LibHandle) {
drv->LibHandle = lib; drv->LibHandle = lib;
else }
else {
#if defined(_EGL_PLATFORM_WINDOWS)
FreeLibrary(lib);
#elif defined(_EGL_PLATFORM_X)
dlclose(lib); dlclose(lib);
#endif
}
/* update the global notion of supported APIs */ /* update the global notion of supported APIs */
_eglGlobal.ClientAPIsMask |= drv->ClientAPIsMask; _eglGlobal.ClientAPIsMask |= drv->ClientAPIsMask;
@ -221,7 +252,13 @@ _eglCloseDriver(_EGLDriver *drv, EGLDisplay dpy)
*/ */
b = drv->API.Terminate(drv, dpy); b = drv->API.Terminate(drv, dpy);
#if defined(_EGL_PLATFORM_WINDOWS)
FreeLibrary(handle);
#elif defined(_EGL_PLATFORM_X)
dlclose(handle); dlclose(handle);
#endif
return b; return b;
} }