/**
- * Generic EGL driver for DRI.
+ * Generic EGL driver for DRI. This is basically an "adaptor" driver
+ * that allows libEGL to load/use regular DRI drivers.
*
* This file contains all the code needed to interface DRI-based drivers
* with libEGL.
static const int empty_attribute_list[1] = { None };
+
+/**
+ * Given a card number, return the name of the DRI driver to use.
+ * This generally means reading the contents of
+ * /sys/class/drm/cardX/dri_library_name, where X is the card number
+ */
+static EGLBoolean
+driver_name_from_card_number(int card, char *driverName, int maxDriverName)
+{
+ char path[2000];
+ FILE *f;
+ int length;
+
+ snprintf(path, sizeof(path), "%s/drm/card%d/dri_library_name", sysfs, card);
+
+ f = fopen(path, "r");
+ if (!f)
+ return EGL_FALSE;
+
+ fgets(driverName, maxDriverName, f);
+ fclose(f);
+
+ if ((length = strlen(driverName)) > 1) {
+ /* remove the trailing newline from sysfs */
+ driverName[length - 1] = '\0';
+ strncat(driverName, "_dri", maxDriverName);
+ return EGL_TRUE;
+ }
+ else {
+ return EGL_FALSE;
+ }
+}
+
+
+
/**
* The bootstrap function.
* Return a new driDriver object and plug in API functions.
* This function, in turn, loads a specific DRI driver (ex: r200_dri.so).
*/
_EGLDriver *
-_eglMain(_EGLDisplay *dpy)
+_eglMain(_EGLDisplay *dpy, const char *args)
{
+#if 1
+ const int card = args ? atoi(args) : 0;
+ _EGLDriver *driver = NULL;
+ char driverName[1000];
+
+ if (!driver_name_from_card_number(card, driverName, sizeof(driverName))) {
+ _eglLog(_EGL_WARNING,
+ "Unable to determine driver name for card %d\n", card);
+ return NULL;
+ }
+
+ _eglLog(_EGL_DEBUG, "Driver name: %s\n", driverName);
+
+ driver = _eglOpenDriver(dpy, driverName, args);
+
+ return driver;
+
+#else
+
int length;
char path[NAME_MAX];
struct dirent *dirent;
_eglLog(_EGL_WARNING, "%s DRM devices not found.", path);
return EGL_FALSE;
}
+
+ /* loop over dir entries looking for cardX where "X" is in the
+ * dpy->DriverName ":X" string.
+ */
while ((dirent = readdir(dir))) {
if (strncmp(&dirent->d_name[0], "card", 4) != 0)
continue;
- if (strcmp(&dirent->d_name[4], &dpy->DriverName[1]) != 0)
+ if (strcmp(&dirent->d_name[4], &driverName[1]) != 0)
continue;
snprintf(path, sizeof(path), "%s/drm/card%s/dri_library_name",
- sysfs, &dpy->DriverName[1]);
+ sysfs, &driverName[1]);
_eglLog(_EGL_INFO, "Opening %s", path);
#if 1
file = fopen(path, "r");
closedir(dir);
return driver;
+#endif
}
if (!c)
return EGL_NO_CONTEXT;
- if (!_eglInitContext(drv, dpy, &c->Base, config, attrib_list)) {
+ conf = _eglLookupConfig(drv, dpy, config);
+ assert(conf);
+
+ if (!_eglInitContext(drv, &c->Base, conf, attrib_list)) {
free(c);
return EGL_NO_CONTEXT;
}
else
sharePriv = NULL;
- conf = _eglLookupConfig(drv, dpy, config);
- assert(conf);
_eglConfigToContextModesRec(conf, &visMode);
c->driContext.private = disp->driScreen.createNewContext(disp, &visMode,
return EGL_FALSE;
}
- /* generate handle and insert into hash table */
- _eglSaveContext(&c->Base);
+ /* link to display */
+ _eglLinkContext(&c->Base, &disp->Base);
return _eglGetContextHandle(&c->Base);
}
const EGLint *attrib_list)
{
driSurface *surf;
+ _EGLConfig *conf;
+
+ conf = _eglLookupConfig(drv, dpy, config);
+ assert(conf);
surf = (driSurface *) calloc(1, sizeof(*surf));
if (!surf) {
return EGL_NO_SURFACE;
}
- if (!_eglInitSurface(drv, dpy, &surf->Base, EGL_PBUFFER_BIT,
- config, attrib_list)) {
+ if (!_eglInitSurface(drv, &surf->Base, EGL_PBUFFER_BIT,
+ conf, attrib_list)) {
free(surf);
return EGL_NO_SURFACE;
}
#endif
}
- _eglSaveSurface(&surf->Base);
+ _eglLinkSurface(&surf->Base, _eglLookupDisplay(dpy));
return surf->Base.Handle;
}
driDisplay *disp = Lookup_driDisplay(dpy);
driSurface *fs = Lookup_driSurface(surface);
- _eglRemoveSurface(&fs->Base);
+ _eglUnlinkSurface(&fs->Base);
fs->drawable.destroyDrawable(disp, fs->drawable.private);
- if (fs->Base.IsBound) {
- fs->Base.DeletePending = EGL_TRUE;
- }
- else {
+ if (!_eglIsSurfaceBound(&fs->Base))
free(fs);
- }
return EGL_TRUE;
}
driDisplay *disp = Lookup_driDisplay(dpy);
driContext *fc = Lookup_driContext(context);
- _eglRemoveContext(&fc->Base);
+ _eglUnlinkContext(&fc->Base);
fc->driContext.destroyContext(disp, 0, fc->driContext.private);
- if (fc->Base.IsBound) {
- fc->Base.DeletePending = EGL_TRUE;
- }
- else {
+ if (!_eglIsContextBound(&fc->Base))
free(fc);
- }
return EGL_TRUE;
}
}
/* init base class, do error checking, etc. */
- if (!_eglInitSurface(drv, dpy, &surface->Base, EGL_SCREEN_BIT_MESA,
- cfg, attrib_list)) {
+ if (!_eglInitSurface(drv, &surface->Base, EGL_SCREEN_BIT_MESA,
+ config, attrib_list)) {
free(surface);
return EGL_NO_SURFACE;
}
- _eglSaveSurface(&surface->Base);
+ _eglLinkSurface(&surface->Base &disp->Base);
/*
if (!disp->driScreen.createNewDrawable(disp, &visMode, drawBuf,
&surface->drawable, GLX_WINDOW_BIT,
empty_attribute_list)) {
- _eglRemoveSurface(&surface->Base);
+ _eglUnlinkSurface(&surface->Base);
free(surface);
return EGL_NO_SURFACE;
}
api_ver,
& interface_methods,
NULL);
- if (!dpy->driScreen.private)
+ if (!dpy->driScreen.private) {
+ _eglLog(_EGL_WARNING, "egldri.c: DRI create new screen failed");
return EGL_FALSE;
+ }
DRM_UNLOCK( dpy->drmFD, dpy->pSAREA, dpy->serverContext );
{
_EGLDisplay *disp = _eglLookupDisplay(dpy);
driDisplay *display;
+ const char *driverName = (const char *) disp->NativeDisplay;
assert(disp);
*major = 1;
*minor = 0;
- sscanf(&disp->DriverName[1], "%d", &display->minor);
+ sscanf(driverName + 1, "%d", &display->minor);
drv->Initialized = EGL_TRUE;
return EGL_TRUE;
projects / mesa.git / blobdiff