| 0,0 → 1,175 |
|---|
| /************************************************************************** |
| * |
| * 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 <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 EGLint *attrib_list) |
| { |
| EGLint i, err = EGL_SUCCESS; |
| |
| if (!attrib_list) |
| return EGL_SUCCESS; |
| |
| for (i = 0; attrib_list[i] != EGL_NONE; i++) { |
| EGLint attr = attrib_list[i++]; |
| EGLint val = attrib_list[i]; |
| |
| switch (attr) { |
| default: |
| (void) val; |
| err = EGL_BAD_ATTRIBUTE; |
| break; |
| } |
| |
| if (err != EGL_SUCCESS) { |
| _eglLog(_EGL_DEBUG, "bad sync attribute 0x%04x", attr); |
| break; |
| } |
| } |
| |
| return err; |
| } |
| |
| |
| static EGLint |
| _eglParseSyncAttribList64(_EGLSync *sync, const EGLAttribKHR *attrib_list) |
| { |
| EGLint i, err = EGL_SUCCESS; |
| |
| if (!attrib_list) |
| return EGL_SUCCESS; |
| |
| for (i = 0; attrib_list[i] != EGL_NONE; i++) { |
| EGLint attr = attrib_list[i++]; |
| EGLint val = attrib_list[i]; |
| |
| switch (attr) { |
| case EGL_CL_EVENT_HANDLE_KHR: |
| if (sync->Type == EGL_SYNC_CL_EVENT_KHR) { |
| sync->CLEvent = val; |
| break; |
| } |
| /* fall through */ |
| default: |
| (void) val; |
| err = EGL_BAD_ATTRIBUTE; |
| break; |
| } |
| |
| if (err != EGL_SUCCESS) { |
| _eglLog(_EGL_DEBUG, "bad sync attribute 0x%04x", attr); |
| break; |
| } |
| } |
| |
| return err; |
| } |
| |
| |
| EGLBoolean |
| _eglInitSync(_EGLSync *sync, _EGLDisplay *dpy, EGLenum type, |
| const EGLint *attrib_list, const EGLAttribKHR *attrib_list64) |
| { |
| EGLint err; |
| |
| if (!(type == EGL_SYNC_REUSABLE_KHR && dpy->Extensions.KHR_reusable_sync) && |
| !(type == EGL_SYNC_FENCE_KHR && dpy->Extensions.KHR_fence_sync) && |
| !(type == EGL_SYNC_CL_EVENT_KHR && dpy->Extensions.KHR_cl_event2 && |
| attrib_list64)) |
| return _eglError(EGL_BAD_ATTRIBUTE, "eglCreateSyncKHR"); |
| |
| _eglInitResource(&sync->Resource, sizeof(*sync), dpy); |
| sync->Type = type; |
| sync->SyncStatus = EGL_UNSIGNALED_KHR; |
| |
| switch (type) { |
| case EGL_SYNC_CL_EVENT_KHR: |
| sync->SyncCondition = EGL_SYNC_CL_EVENT_COMPLETE_KHR; |
| break; |
| default: |
| sync->SyncCondition = EGL_SYNC_PRIOR_COMMANDS_COMPLETE_KHR; |
| } |
| |
| if (attrib_list64) |
| err = _eglParseSyncAttribList64(sync, attrib_list64); |
| else |
| err = _eglParseSyncAttribList(sync, attrib_list); |
| |
| 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 |
| _eglGetSyncAttribKHR(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSync *sync, |
| EGLint attribute, EGLint *value) |
| { |
| if (!value) |
| return _eglError(EGL_BAD_PARAMETER, "eglGetSyncAttribKHR"); |
| |
| 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)) |
| drv->API.ClientWaitSyncKHR(drv, dpy, 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) |
| return _eglError(EGL_BAD_ATTRIBUTE, "eglGetSyncAttribKHR"); |
| *value = sync->SyncCondition; |
| break; |
| default: |
| return _eglError(EGL_BAD_ATTRIBUTE, "eglGetSyncAttribKHR"); |
| break; |
| } |
| |
| return EGL_TRUE; |
| } |