-
/**
* Functions related to EGLDisplay.
*/
#include "egldisplay.h"
#include "egldriver.h"
#include "eglglobals.h"
-#include "eglhash.h"
#include "eglstring.h"
+#include "eglmutex.h"
+#include "egllog.h"
+
+
+/**
+ * Finish display management.
+ */
+void
+_eglFiniDisplay(void)
+{
+ _EGLDisplay *dpyList, *dpy;
+
+ /* atexit function is called with global mutex locked */
+ dpyList = _eglGlobal.DisplayList;
+ while (dpyList) {
+ /* pop list head */
+ dpy = dpyList;
+ dpyList = dpyList->Next;
+
+ if (dpy->ContextList || dpy->SurfaceList)
+ _eglLog(_EGL_DEBUG, "Display %p is destroyed with resources", dpy);
+
+ free(dpy);
+ }
+ _eglGlobal.DisplayList = NULL;
+}
/**
_EGLDisplay *dpy = (_EGLDisplay *) calloc(1, sizeof(_EGLDisplay));
if (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;
}
EGLDisplay
_eglLinkDisplay(_EGLDisplay *dpy)
{
- EGLuint key;
- key = _eglHashGenKey(_eglGlobal.Displays);
- assert(key);
- /* "link" the display to the hash table */
- _eglHashInsert(_eglGlobal.Displays, key, dpy);
- dpy->Handle = (EGLDisplay) _eglUIntToPointer(key);
-
- return dpy->Handle;
+ _eglLockMutex(_eglGlobal.Mutex);
+
+ dpy->Next = _eglGlobal.DisplayList;
+ _eglGlobal.DisplayList = dpy;
+
+ _eglUnlockMutex(_eglGlobal.Mutex);
+
+ return (EGLDisplay) dpy;
}
void
_eglUnlinkDisplay(_EGLDisplay *dpy)
{
- EGLuint key = _eglPointerToUInt((void *) dpy->Handle);
- _eglHashRemove(_eglGlobal.Displays, key);
- dpy->Handle = EGL_NO_DISPLAY;
-}
+ _EGLDisplay *prev;
+ _eglLockMutex(_eglGlobal.Mutex);
-/**
- * Return the handle of a linked display, or EGL_NO_DISPLAY.
- */
-EGLDisplay
-_eglGetDisplayHandle(_EGLDisplay *display)
-{
- if (display)
- return display->Handle;
- else
- return EGL_NO_DISPLAY;
-}
+ 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;
+ }
-
-/**
- * Lookup a handle to find the linked display.
- * Return NULL if the handle has no corresponding linked display.
- */
-_EGLDisplay *
-_eglLookupDisplay(EGLDisplay dpy)
-{
- EGLuint key = _eglPointerToUInt((void *) dpy);
- return (_EGLDisplay *) _eglHashLookup(_eglGlobal.Displays, key);
+ _eglUnlockMutex(_eglGlobal.Mutex);
}
_EGLDisplay *
_eglFindDisplay(NativeDisplayType nativeDisplay)
{
- EGLuint key = _eglHashFirstEntry(_eglGlobal.Displays);
+ _EGLDisplay *dpy;
- /* Walk the hash table. Should switch to list if it is a problem. */
- while (key) {
- _EGLDisplay *dpy = (_EGLDisplay *)
- _eglHashLookup(_eglGlobal.Displays, key);
- assert(dpy);
+ _eglLockMutex(_eglGlobal.Mutex);
- if (dpy->NativeDisplay == nativeDisplay)
+ dpy = _eglGlobal.DisplayList;
+ while (dpy) {
+ if (dpy->NativeDisplay == nativeDisplay) {
+ _eglUnlockMutex(_eglGlobal.Mutex);
return dpy;
- key = _eglHashNextEntry(_eglGlobal.Displays, key);
+ }
+ dpy = dpy->Next;
}
+ _eglUnlockMutex(_eglGlobal.Mutex);
+
return NULL;
}
* Destroy the contexts and surfaces that are linked to the display.
*/
void
-_eglReleaseDisplayResources(_EGLDriver *drv, EGLDisplay dpy)
+_eglReleaseDisplayResources(_EGLDriver *drv, _EGLDisplay *display)
{
- _EGLDisplay *display;
_EGLContext *contexts;
_EGLSurface *surfaces;
- display = _eglLookupDisplay(dpy);
- if (!display)
- return;
contexts = display->ContextList;
surfaces = display->SurfaceList;
while (contexts) {
- EGLContext handle = _eglGetContextHandle(contexts);
+ _EGLContext *ctx = contexts;
contexts = contexts->Next;
- drv->API.DestroyContext(drv, dpy, handle);
+
+ _eglUnlinkContext(ctx);
+ drv->API.DestroyContext(drv, display, ctx);
}
assert(!display->ContextList);
while (surfaces) {
- EGLSurface handle = _eglGetSurfaceHandle(surfaces);
+ _EGLSurface *surf = surfaces;
surfaces = surfaces->Next;
- drv->API.DestroySurface(drv, dpy, handle);
+
+ _eglUnlinkSurface(surf);
+ drv->API.DestroySurface(drv, display, surf);
}
assert(!display->SurfaceList);
}
{
EGLint i;
- for (i = 0; i < disp->NumConfigs; i++) {
- free(disp->Configs[i]);
+ if (disp->Configs) {
+ for (i = 0; i < disp->NumConfigs; i++)
+ free(disp->Configs[i]);
+ free(disp->Configs);
+ disp->Configs = NULL;
+ disp->NumConfigs = 0;
}
- free(disp->Configs);
- disp->Configs = NULL;
/* XXX incomplete */
-
- free((void *) disp->DriverName);
- disp->DriverName = NULL;
-
- /* driver deletes the _EGLDisplay object */
-}
-
-
-/**
- * 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;
-}
-
-
-/**
- * Return the handle of a linked context, or EGL_NO_CONTEXT.
- */
-EGLContext
-_eglGetContextHandle(_EGLContext *ctx)
-{
- return (EGLContext) ((ctx && ctx->Display) ? ctx : EGL_NO_CONTEXT);
-}
-
-
-/**
- * Lookup a handle to find the linked context.
- * Return NULL if the handle has no corresponding linked context.
- */
-_EGLContext *
-_eglLookupContext(EGLContext ctx)
-{
- _EGLContext *context = (_EGLContext *) ctx;
- return (context && context->Display) ? context : NULL;
}
EGLSurface
_eglLinkSurface(_EGLSurface *surf, _EGLDisplay *dpy)
{
- EGLuint key;
-
surf->Display = dpy;
surf->Next = dpy->SurfaceList;
dpy->SurfaceList = surf;
-
- key = _eglHashGenKey(_eglGlobal.Surfaces);
- assert(key);
- _eglHashInsert(_eglGlobal.Surfaces, key, surf);
-
- surf->Handle = (EGLSurface) _eglUIntToPointer(key);
- return surf->Handle;
+ return (EGLSurface) surf;
}
_eglUnlinkSurface(_EGLSurface *surf)
{
_EGLSurface *prev;
- EGLuint key = _eglPointerToUInt((void *) surf->Handle);
-
- _eglHashRemove(_eglGlobal.Surfaces, key);
- surf->Handle = EGL_NO_SURFACE;
prev = surf->Display->SurfaceList;
if (prev != surf) {
}
+#ifndef _EGL_SKIP_HANDLE_CHECK
+
+
/**
- * Return the handle of a linked surface, or EGL_NO_SURFACE.
+ * Return EGL_TRUE if the given handle is a valid handle to a display.
*/
-EGLSurface
-_eglGetSurfaceHandle(_EGLSurface *surface)
+EGLBoolean
+_eglCheckDisplayHandle(EGLDisplay dpy)
{
- if (surface)
- return surface->Handle;
- else
- return EGL_NO_SURFACE;
+ _EGLDisplay *cur;
+
+ _eglLockMutex(_eglGlobal.Mutex);
+ cur = _eglGlobal.DisplayList;
+ while (cur) {
+ if (cur == (_EGLDisplay *) dpy)
+ break;
+ cur = cur->Next;
+ }
+ _eglUnlockMutex(_eglGlobal.Mutex);
+ return (cur != NULL);
}
/**
- * Lookup a handle to find the linked surface.
- * Return NULL if the handle has no corresponding linked surface.
+ * Return EGL_TRUE if the given handle is a valid handle to a surface.
*/
-_EGLSurface *
-_eglLookupSurface(EGLSurface surf)
+EGLBoolean
+_eglCheckSurfaceHandle(EGLSurface surf, _EGLDisplay *dpy)
{
- EGLuint key = _eglPointerToUInt((void *) surf);
- return (_EGLSurface *) _eglHashLookup(_eglGlobal.Surfaces, key);
+ _EGLSurface *cur = NULL;
+
+ if (dpy)
+ cur = dpy->SurfaceList;
+ while (cur) {
+ if (cur == (_EGLSurface *) surf) {
+ assert(cur->Display == dpy);
+ break;
+ }
+ cur = cur->Next;
+ }
+ return (cur != NULL);
}
+
+
+#endif /* !_EGL_SKIP_HANDLE_CHECK */
projects / mesa.git / blobdiff