X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fegl%2Fmain%2Fegldisplay.c;h=5dc5fd9719a682e029be8a470d3efbe2e8a0e691;hb=1e6c10f4be9e36cc052a6b47fb2cb1eae60caa00;hp=30a49a25ae09c4b8fa4dcac008c83a94521ae53f;hpb=73fc09a7bf5c63b595251dc10997891c72ecb119;p=mesa.git

diff --git a/src/egl/main/egldisplay.c b/src/egl/main/egldisplay.c
index 30a49a25ae0..5dc5fd9719a 100644
--- a/src/egl/main/egldisplay.c
+++ b/src/egl/main/egldisplay.c
@@ -10,7 +10,6 @@
 #include "egldisplay.h"
 #include "egldriver.h"
 #include "eglglobals.h"
-#include "eglstring.h"
 #include "eglmutex.h"
 #include "egllog.h"
 
@@ -26,12 +25,18 @@ _eglFiniDisplay(void)
    /* atexit function is called with global mutex locked */
    dpyList = _eglGlobal.DisplayList;
    while (dpyList) {
+      EGLint i;
+
       /* pop list head */
       dpy = dpyList;
       dpyList = dpyList->Next;
 
-      if (dpy->ContextList || dpy->SurfaceList)
-         _eglLog(_EGL_DEBUG, "Display %p is destroyed with resources", dpy);
+      for (i = 0; i < _EGL_NUM_RESOURCES; i++) {
+         if (dpy->ResourceLists[i]) {
+            _eglLog(_EGL_DEBUG, "Display %p is destroyed with resources", dpy);
+            break;
+         }
+      }
 
       free(dpy);
    }
@@ -40,101 +45,40 @@ _eglFiniDisplay(void)
 
 
 /**
- * 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 nativeDisplay)
-{
-   _EGLDisplay *dpy = (_EGLDisplay *) calloc(1, sizeof(_EGLDisplay));
-   if (dpy) {
-      dpy->NativeDisplay = nativeDisplay;
-#if defined(_EGL_PLATFORM_X)
-      dpy->Xdpy = (Display *) nativeDisplay;
-#endif
-
-      dpy->DriverName = _eglPreloadDriver(dpy);
-      if (!dpy->DriverName) {
-         free(dpy);
-         return NULL;
-      }
-   }
-   return dpy;
-}
-
-
-/**
- * Link a display to itself and return the handle of the link.
- * The handle can be passed to client directly.
- */
-EGLDisplay
-_eglLinkDisplay(_EGLDisplay *dpy)
-{
-   _eglLockMutex(_eglGlobal.Mutex);
-
-   dpy->Next = _eglGlobal.DisplayList;
-   _eglGlobal.DisplayList = dpy;
-
-   _eglUnlockMutex(_eglGlobal.Mutex);
-
-   return (EGLDisplay) dpy;
-}
-
-
-/**
- * Unlink a linked display from itself.
- * Accessing an unlinked display should generate EGL_BAD_DISPLAY error.
- */
-void
-_eglUnlinkDisplay(_EGLDisplay *dpy)
-{
-   _EGLDisplay *prev;
-
-   _eglLockMutex(_eglGlobal.Mutex);
-
-   prev = _eglGlobal.DisplayList;
-   if (prev != dpy) {
-      while (prev) {
-         if (prev->Next == dpy)
-            break;
-         prev = prev->Next;
-      }
-      assert(prev);
-      prev->Next = dpy->Next;
-   }
-   else {
-      _eglGlobal.DisplayList = dpy->Next;
-   }
-
-   _eglUnlockMutex(_eglGlobal.Mutex);
-}
-
-
-/**
- * Find the display corresponding to the specified native display id in all
- * linked displays.
+ * Find the display corresponding to the specified native display, or create a
+ * new one.
  */
 _EGLDisplay *
-_eglFindDisplay(NativeDisplayType nativeDisplay)
+_eglFindDisplay(EGLNativeDisplayType nativeDisplay)
 {
    _EGLDisplay *dpy;
 
    _eglLockMutex(_eglGlobal.Mutex);
 
+   /* search the display list first */
    dpy = _eglGlobal.DisplayList;
    while (dpy) {
-      if (dpy->NativeDisplay == nativeDisplay) {
-         _eglUnlockMutex(_eglGlobal.Mutex);
-         return dpy;
-      }
+      if (dpy->NativeDisplay == nativeDisplay)
+         break;
       dpy = dpy->Next;
    }
 
+   /* create a new display */
+   if (!dpy) {
+      dpy = (_EGLDisplay *) calloc(1, sizeof(_EGLDisplay));
+      if (dpy) {
+         _eglInitMutex(&dpy->Mutex);
+         dpy->NativeDisplay = nativeDisplay;
+
+         /* add to the display list */ 
+         dpy->Next = _eglGlobal.DisplayList;
+         _eglGlobal.DisplayList = dpy;
+      }
+   }
+
    _eglUnlockMutex(_eglGlobal.Mutex);
 
-   return NULL;
+   return dpy;
 }
 
 
@@ -144,29 +88,27 @@ _eglFindDisplay(NativeDisplayType nativeDisplay)
 void
 _eglReleaseDisplayResources(_EGLDriver *drv, _EGLDisplay *display)
 {
-   _EGLContext *contexts;
-   _EGLSurface *surfaces;
-
-   contexts = display->ContextList;
-   surfaces = display->SurfaceList;
+   _EGLResource *list;
 
-   while (contexts) {
-      _EGLContext *ctx = contexts;
-      contexts = contexts->Next;
+   list = display->ResourceLists[_EGL_RESOURCE_CONTEXT];
+   while (list) {
+      _EGLContext *ctx = (_EGLContext *) list;
+      list = list->Next;
 
       _eglUnlinkContext(ctx);
       drv->API.DestroyContext(drv, display, ctx);
    }
-   assert(!display->ContextList);
+   assert(!display->ResourceLists[_EGL_RESOURCE_CONTEXT]);
 
-   while (surfaces) {
-      _EGLSurface *surf = surfaces;
-      surfaces = surfaces->Next;
+   list = display->ResourceLists[_EGL_RESOURCE_SURFACE];
+   while (list) {
+      _EGLSurface *surf = (_EGLSurface *) list;
+      list = list->Next;
 
       _eglUnlinkSurface(surf);
       drv->API.DestroySurface(drv, display, surf);
    }
-   assert(!display->SurfaceList);
+   assert(!display->ResourceLists[_EGL_RESOURCE_SURFACE]);
 }
 
 
@@ -185,100 +127,13 @@ _eglCleanupDisplay(_EGLDisplay *disp)
       free(disp->Configs);
       disp->Configs = NULL;
       disp->NumConfigs = 0;
+      disp->MaxConfigs = 0;
    }
 
    /* XXX incomplete */
 }
 
 
-/**
- * Link a context to a display and return the handle of the link.
- * The handle can be passed to client directly.
- */
-EGLContext
-_eglLinkContext(_EGLContext *ctx, _EGLDisplay *dpy)
-{
-   ctx->Display = dpy;
-   ctx->Next = dpy->ContextList;
-   dpy->ContextList = ctx;
-   return (EGLContext) ctx;
-}
-
-
-/**
- * Unlink a linked context from its display.
- * Accessing an unlinked context should generate EGL_BAD_CONTEXT error.
- */
-void
-_eglUnlinkContext(_EGLContext *ctx)
-{
-   _EGLContext *prev;
-
-   prev = ctx->Display->ContextList;
-   if (prev != ctx) {
-      while (prev) {
-         if (prev->Next == ctx)
-            break;
-         prev = prev->Next;
-      }
-      assert(prev);
-      prev->Next = ctx->Next;
-   }
-   else {
-      ctx->Display->ContextList = ctx->Next;
-   }
-
-   ctx->Next = NULL;
-   ctx->Display = NULL;
-}
-
-
-/**
- * Link a surface to a display and return the handle of the link.
- * The handle can be passed to client directly.
- */
-EGLSurface
-_eglLinkSurface(_EGLSurface *surf, _EGLDisplay *dpy)
-{
-   surf->Display = dpy;
-   surf->Next = dpy->SurfaceList;
-   dpy->SurfaceList = surf;
-   return (EGLSurface) surf;
-}
-
-
-/**
- * Unlink a linked surface from its display.
- * Accessing an unlinked surface should generate EGL_BAD_SURFACE error.
- */
-void
-_eglUnlinkSurface(_EGLSurface *surf)
-{
-   _EGLSurface *prev;
-
-   prev = surf->Display->SurfaceList;
-   if (prev != surf) {
-      while (prev) {
-         if (prev->Next == surf)
-            break;
-         prev = prev->Next;
-      }
-      assert(prev);
-      prev->Next = surf->Next;
-   }
-   else {
-      prev = NULL;
-      surf->Display->SurfaceList = surf->Next;
-   }
-
-   surf->Next = NULL;
-   surf->Display = NULL;
-}
-
-
-#ifndef _EGL_SKIP_HANDLE_CHECK
-
-
 /**
  * Return EGL_TRUE if the given handle is a valid handle to a display.
  */
@@ -300,43 +155,67 @@ _eglCheckDisplayHandle(EGLDisplay dpy)
 
 
 /**
- * Return EGL_TRUE if the given handle is a valid handle to a context.
+ * Return EGL_TRUE if the given resource is valid.  That is, the display does
+ * own the resource.
  */
 EGLBoolean
-_eglCheckContextHandle(EGLContext ctx, _EGLDisplay *dpy)
+_eglCheckResource(void *res, _EGLResourceType type, _EGLDisplay *dpy)
 {
-   _EGLContext *cur;
-
-   cur = dpy->ContextList;
-   while (cur) {
-      if (cur == (_EGLContext *) ctx) {
-         assert(cur->Display == dpy);
+   _EGLResource *list = dpy->ResourceLists[type];
+   
+   if (!res)
+      return EGL_FALSE;
+
+   while (list) {
+      if (res == (void *) list) {
+         assert(list->Display == dpy);
          break;
       }
-      cur = cur->Next;
+      list = list->Next;
    }
-   return (cur != NULL);
+
+   return (list != NULL);
 }
 
 
 /**
- * Return EGL_TRUE if the given handle is a valid handle to a surface.
+ * Link a resource to a display.
  */
-EGLBoolean
-_eglCheckSurfaceHandle(EGLSurface surf, _EGLDisplay *dpy)
+void
+_eglLinkResource(_EGLResource *res, _EGLResourceType type, _EGLDisplay *dpy)
 {
-   _EGLSurface *cur;
+   assert(!res->Display || res->Display == dpy);
 
-   cur = dpy->SurfaceList;
-   while (cur) {
-      if (cur == (_EGLSurface *) surf) {
-         assert(cur->Display == dpy);
-         break;
-      }
-      cur = cur->Next;
-   }
-   return (cur != NULL);
+   res->Display = dpy;
+   res->IsLinked = EGL_TRUE;
+   res->Next = dpy->ResourceLists[type];
+   dpy->ResourceLists[type] = res;
 }
 
 
-#endif /* !_EGL_SKIP_HANDLE_CHECK */
+/**
+ * Unlink a linked resource from its display.
+ */
+void
+_eglUnlinkResource(_EGLResource *res, _EGLResourceType type)
+{
+   _EGLResource *prev;
+
+   prev = res->Display->ResourceLists[type];
+   if (prev != res) {
+      while (prev) {
+         if (prev->Next == res)
+            break;
+         prev = prev->Next;
+      }
+      assert(prev);
+      prev->Next = res->Next;
+   }
+   else {
+      res->Display->ResourceLists[type] = res->Next;
+   }
+
+   res->Next = NULL;
+   /* do not reset res->Display */
+   res->IsLinked = EGL_FALSE;
+}