Merge commit 'origin/gallium-0.1' into gallium-0.2

[mesa.git] / src / egl / main / egldisplay.c

diff --git a/src/egl/main/egldisplay.c b/src/egl/main/egldisplay.c
index 074a85bf26b75157cd3d14acfc96ec449311f662..47a2323eafb3923e508fdb9527dcc64c3983d243 100644 (file)
--- a/src/egl/main/egldisplay.c
+++ b/src/egl/main/egldisplay.c
@@ -1,52 +1,88 @@
+
+/**
+ * Functions related to EGLDisplay.
+ */
+
+#include <assert.h>
 #include <stdlib.h>
 #include <string.h>
 #include "eglcontext.h"
 #include "egldisplay.h"
+#include "egldriver.h"
 #include "eglglobals.h"
 #include "eglhash.h"
-
-
-static char *
-my_strdup(const char *s)
-{
-   int l = strlen(s);
-   char *s2 = malloc(l + 1);
-   strcpy(s2, s);
-   return s2;
-}
+#include "eglstring.h"
 
 
 /**
- * We're assuming that the NativeDisplayType parameter is actually
- * a string.
- * Return a new _EGLDisplay object for the given displayName
+ * Allocate a new _EGLDisplay object for the given nativeDisplay handle.
+ * We'll also try to determine the device driver name at this time.
+ *
+ * Note that nativeDisplay may be an X Display ptr, or a string.
  */
 _EGLDisplay *
-_eglNewDisplay(NativeDisplayType displayName)
+_eglNewDisplay(NativeDisplayType nativeDisplay)
 {
    _EGLDisplay *dpy = (_EGLDisplay *) calloc(1, sizeof(_EGLDisplay));
    if (dpy) {
-      dpy->Handle = _eglHashGenKey(_eglGlobal.Displays);
-      _eglHashInsert(_eglGlobal.Displays, dpy->Handle, dpy);
-      if (displayName)
-         dpy->Name = my_strdup(displayName);
-      else
-         dpy->Name = NULL;
-      dpy->Driver = NULL;  /* this gets set later */
+      EGLuint key = _eglHashGenKey(_eglGlobal.Displays);
+
+      dpy->Handle = (EGLDisplay) key;
+      _eglHashInsert(_eglGlobal.Displays, key, dpy);
+
+      dpy->NativeDisplay = nativeDisplay;
+#if defined(_EGL_PLATFORM_X)
+      dpy->Xdpy = (Display *) nativeDisplay;
+#endif
+
+      dpy->DriverName = _eglChooseDriver(dpy);
+      if (!dpy->DriverName) {
+         free(dpy);
+         return NULL;
+      }
    }
    return dpy;
 }
 
 
+/**
+ * Return the public handle for an internal _EGLDisplay.
+ * This is the inverse of _eglLookupDisplay().
+ */
+EGLDisplay
+_eglGetDisplayHandle(_EGLDisplay *display)
+{
+   if (display)
+      return display->Handle;
+   else
+      return EGL_NO_DISPLAY;
+}
+
+ 
 /**
  * Return the _EGLDisplay object that corresponds to the given public/
  * opaque display handle.
+ * This is the inverse of _eglGetDisplayHandle().
  */
 _EGLDisplay *
 _eglLookupDisplay(EGLDisplay dpy)
 {
-   _EGLDisplay *d = (_EGLDisplay *) _eglHashLookup(_eglGlobal.Displays, dpy);
-   return d;
+   EGLuint key = (EGLuint) dpy;
+   if (!_eglGlobal.Displays)
+      return NULL;
+   return (_EGLDisplay *) _eglHashLookup(_eglGlobal.Displays, key);
+}
+
+
+void
+_eglSaveDisplay(_EGLDisplay *dpy)
+{
+   EGLuint key = _eglHashGenKey(_eglGlobal.Displays);
+   assert(dpy);
+   assert(!dpy->Handle);
+   dpy->Handle = (EGLDisplay) key;
+   assert(dpy->Handle);
+   _eglHashInsert(_eglGlobal.Displays, key, dpy);
 }
 
 
@@ -61,11 +97,25 @@ _eglGetCurrentDisplay(void)
 }
 
 
+/**
+ * Free all the data hanging of an _EGLDisplay object, but not
+ * the object itself.
+ */
 void
 _eglCleanupDisplay(_EGLDisplay *disp)
 {
-   /* XXX incomplete */
+   EGLint i;
+
+   for (i = 0; i < disp->NumConfigs; i++) {
+      free(disp->Configs[i]);
+   }
    free(disp->Configs);
-   free(disp->Name);
-   /* driver deletes _EGLDisplay */
+   disp->Configs = NULL;
+
+   /* XXX incomplete */
+
+   free((void *) disp->DriverName);
+   disp->DriverName = NULL;
+
+   /* driver deletes the _EGLDisplay object */
 }