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egl: changes for Windows

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This commit is contained in:
Jonathan White 2008-08-05 19:22:09 -06:00 • committed by Brian
parent 240962faf7
commit ab0d13dd60
1 changed files with 39 additions and 26 deletions
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65
src/egl/main/egldriver.c
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@ -24,37 +24,45 @@
#include <dlfcn.h>
#include "eglx.h"
#elif defined(_EGL_PLATFORM_WINDOWS)
/* XXX to do */
#elif defined(_EGL_PLATFORM_WINCE)
/* XXX to do */
/* Use static linking on Windows for now */
#define WINDOWS_STATIC_LINK
#endif
static const char *DefaultDriverName = ":0";
static const char *SysFS = "/sys/class";
/**
* Wrappers for dlopen/dlclose()
*/
#if defined(_EGL_PLATFORM_WINDOWS)
#ifdef WINDOWS_STATIC_LINK
static const char *DefaultDriverName = "Windows EGL Static Library";
#else
/* XXX Need to decide how to do dynamic name lookup on Windows */
static const char *DefaultDriverName = "TBD";
#endif
static const char *SysFS = NULL;
typedef HMODULE lib_handle;
static HMODULE
open_library(const char *filename)
{
#ifdef WINDOWS_STATIC_LINK
return 0;
#else
return LoadLibrary(filename);
#endif
}
static void
close_library(HMODULE lib)
{
#ifdef WINDOWS_STATIC_LINK
#else
FreeLibrary(lib);
#endif
}
#elif defined(_EGL_PLATFORM_X)
static const char *DefaultDriverName = ":0";
static const char *SysFS = "/sys/class";
typedef void * lib_handle;
@ -72,8 +80,6 @@ static const char *SysFS = "/sys/class";
#endif
/**
* Given a card number, use sysfs to determine the DRI driver name.
*/
@ -108,7 +114,6 @@ _eglChooseDRMDriver(int card)
#endif
}
/**
* XXX this function is totally subject change!!!
*
@ -130,7 +135,13 @@ _eglChooseDRMDriver(int card)
const char *
_eglChooseDriver(_EGLDisplay *dpy)
{
/* Under Windows, the NativeDisplay is an HDC handle, therefore */
/* it can't be interpreted as a string or a pointer. */
#if defined(_EGL_PLATFORM_WINDOWS)
const char *displayString = NULL;
#else
const char *displayString = (const char *) dpy->NativeDisplay;
#endif
const char *driverName = NULL;
(void) DefaultDriverName;
@ -173,15 +184,11 @@ _eglChooseDriver(_EGLDisplay *dpy)
}
}
}
else {
else
{
/* NativeDisplay is not a string! */
#if defined(_EGL_PLATFORM_X)
driverName = _xeglChooseDriver(dpy);
#elif defined(_EGL_PLATFORM_WINDOWS)
/* XXX to do */
driverName = _weglChooseDriver(dpy);
#elif defined(_EGL_PLATFORM_WINCE)
/* XXX to do */
#else
driverName = DefaultDriverName;
#endif
@ -209,25 +216,31 @@ _eglOpenDriver(_EGLDisplay *dpy, const char *driverName, const char *args)
assert(driverName);
#if defined(_EGL_PLATFORM_WINDOWS)
/* Use static linking on Windows for now */
#ifdef WINDOWS_STATIC_LINK
mainFunc = (_EGLMain_t)_eglMain;
#else
/* XXX untested */
sprintf(driverFilename, "%s.dll", driverName);
_eglLog(_EGL_DEBUG, "dlopen(%s)", driverFilename);
lib = open_library(driverFilename);
if (!lib) {
_eglLog(_EGL_WARNING, "Could not open %s",
driverFilename);
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);
#endif
lib = open_library(driverFilename);
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