156 lines
4.6 KiB
C
156 lines
4.6 KiB
C
/**************************************************************************
|
|
*
|
|
* Copyright 2010 LunarG, Inc.
|
|
* All Rights Reserved.
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a
|
|
* copy of this software and associated documentation files (the
|
|
* "Software"), to deal in the Software without restriction, including
|
|
* without limitation the rights to use, copy, modify, merge, publish,
|
|
* distribute, sub license, and/or sell copies of the Software, and to
|
|
* permit persons to whom the Software is furnished to do so, subject to
|
|
* the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice (including the
|
|
* next paragraph) shall be included in all copies or substantial portions
|
|
* of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
|
* DEALINGS IN THE SOFTWARE.
|
|
*
|
|
**************************************************************************/
|
|
|
|
|
|
#include <inttypes.h>
|
|
#include <string.h>
|
|
|
|
#include "eglsync.h"
|
|
#include "eglcurrent.h"
|
|
#include "egldriver.h"
|
|
#include "egllog.h"
|
|
|
|
|
|
/**
|
|
* Parse the list of sync attributes and return the proper error code.
|
|
*/
|
|
static EGLint
|
|
_eglParseSyncAttribList(_EGLSync *sync, const EGLAttrib *attrib_list)
|
|
{
|
|
EGLint i;
|
|
|
|
if (!attrib_list)
|
|
return EGL_SUCCESS;
|
|
|
|
for (i = 0; attrib_list[i] != EGL_NONE; i++) {
|
|
EGLAttrib attr = attrib_list[i++];
|
|
EGLAttrib val = attrib_list[i];
|
|
EGLint err = EGL_SUCCESS;
|
|
|
|
switch (attr) {
|
|
case EGL_CL_EVENT_HANDLE_KHR:
|
|
if (sync->Type == EGL_SYNC_CL_EVENT_KHR) {
|
|
sync->CLEvent = val;
|
|
} else {
|
|
err = EGL_BAD_ATTRIBUTE;
|
|
}
|
|
break;
|
|
case EGL_SYNC_NATIVE_FENCE_FD_ANDROID:
|
|
if (sync->Type == EGL_SYNC_NATIVE_FENCE_ANDROID) {
|
|
/* we take ownership of the native fd, so no dup(): */
|
|
sync->SyncFd = val;
|
|
} else {
|
|
err = EGL_BAD_ATTRIBUTE;
|
|
}
|
|
break;
|
|
default:
|
|
err = EGL_BAD_ATTRIBUTE;
|
|
break;
|
|
}
|
|
|
|
if (err != EGL_SUCCESS) {
|
|
_eglLog(_EGL_DEBUG, "bad sync attribute 0x%" PRIxPTR, attr);
|
|
return err;
|
|
}
|
|
}
|
|
|
|
return EGL_SUCCESS;
|
|
}
|
|
|
|
|
|
EGLBoolean
|
|
_eglInitSync(_EGLSync *sync, _EGLDisplay *disp, EGLenum type,
|
|
const EGLAttrib *attrib_list)
|
|
{
|
|
EGLint err;
|
|
|
|
_eglInitResource(&sync->Resource, sizeof(*sync), disp);
|
|
sync->Type = type;
|
|
sync->SyncStatus = EGL_UNSIGNALED_KHR;
|
|
sync->SyncFd = EGL_NO_NATIVE_FENCE_FD_ANDROID;
|
|
|
|
err = _eglParseSyncAttribList(sync, attrib_list);
|
|
|
|
switch (type) {
|
|
case EGL_SYNC_CL_EVENT_KHR:
|
|
sync->SyncCondition = EGL_SYNC_CL_EVENT_COMPLETE_KHR;
|
|
break;
|
|
case EGL_SYNC_NATIVE_FENCE_ANDROID:
|
|
if (sync->SyncFd == EGL_NO_NATIVE_FENCE_FD_ANDROID)
|
|
sync->SyncCondition = EGL_SYNC_PRIOR_COMMANDS_COMPLETE_KHR;
|
|
else
|
|
sync->SyncCondition = EGL_SYNC_NATIVE_FENCE_SIGNALED_ANDROID;
|
|
break;
|
|
default:
|
|
sync->SyncCondition = EGL_SYNC_PRIOR_COMMANDS_COMPLETE_KHR;
|
|
}
|
|
|
|
if (err != EGL_SUCCESS)
|
|
return _eglError(err, "eglCreateSyncKHR");
|
|
|
|
if (type == EGL_SYNC_CL_EVENT_KHR && !sync->CLEvent)
|
|
return _eglError(EGL_BAD_ATTRIBUTE, "eglCreateSyncKHR");
|
|
|
|
return EGL_TRUE;
|
|
}
|
|
|
|
|
|
EGLBoolean
|
|
_eglGetSyncAttrib(_EGLDisplay *disp, _EGLSync *sync,
|
|
EGLint attribute, EGLAttrib *value)
|
|
{
|
|
switch (attribute) {
|
|
case EGL_SYNC_TYPE_KHR:
|
|
*value = sync->Type;
|
|
break;
|
|
case EGL_SYNC_STATUS_KHR:
|
|
/* update the sync status */
|
|
if (sync->SyncStatus != EGL_SIGNALED_KHR &&
|
|
(sync->Type == EGL_SYNC_FENCE_KHR ||
|
|
sync->Type == EGL_SYNC_CL_EVENT_KHR ||
|
|
sync->Type == EGL_SYNC_REUSABLE_KHR ||
|
|
sync->Type == EGL_SYNC_NATIVE_FENCE_ANDROID))
|
|
disp->Driver->ClientWaitSyncKHR(disp, sync, 0, 0);
|
|
|
|
*value = sync->SyncStatus;
|
|
break;
|
|
case EGL_SYNC_CONDITION_KHR:
|
|
if (sync->Type != EGL_SYNC_FENCE_KHR &&
|
|
sync->Type != EGL_SYNC_CL_EVENT_KHR &&
|
|
sync->Type != EGL_SYNC_NATIVE_FENCE_ANDROID)
|
|
return _eglError(EGL_BAD_ATTRIBUTE, "eglGetSyncAttribKHR");
|
|
*value = sync->SyncCondition;
|
|
break;
|
|
|
|
default:
|
|
return _eglError(EGL_BAD_ATTRIBUTE, "eglGetSyncAttribKHR");
|
|
break;
|
|
}
|
|
|
|
return EGL_TRUE;
|
|
}
|