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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "WebGL2Context.h"
#include "GLContext.h"
#include "WebGLSync.h"
#include "mozilla/StaticPrefs_webgl.h"
namespace mozilla {
// -------------------------------------------------------------------------
// Sync objects
RefPtr<WebGLSync> WebGL2Context::FenceSync(GLenum condition, GLbitfield flags) {
const FuncScope funcScope(*this, "fenceSync");
if (IsContextLost()) return nullptr;
if (condition != LOCAL_GL_SYNC_GPU_COMMANDS_COMPLETE) {
ErrorInvalidEnum("condition must be SYNC_GPU_COMMANDS_COMPLETE");
return nullptr;
}
if (flags != 0) {
ErrorInvalidValue("flags must be 0");
return nullptr;
}
RefPtr<WebGLSync> globj = new WebGLSync(this, condition, flags);
return globj;
}
GLenum WebGL2Context::ClientWaitSync(const WebGLSync& sync, GLbitfield flags,
GLuint64 timeout) {
const FuncScope funcScope(*this, "clientWaitSync");
if (IsContextLost()) return LOCAL_GL_WAIT_FAILED;
if (!ValidateObject("sync", sync)) return LOCAL_GL_WAIT_FAILED;
if (flags != 0 && flags != LOCAL_GL_SYNC_FLUSH_COMMANDS_BIT) {
ErrorInvalidValue("`flags` must be SYNC_FLUSH_COMMANDS_BIT or 0.");
return LOCAL_GL_WAIT_FAILED;
}
if (timeout > kMaxClientWaitSyncTimeoutNS) {
ErrorInvalidOperation("`timeout` must not exceed %s nanoseconds.",
"MAX_CLIENT_WAIT_TIMEOUT_WEBGL");
return LOCAL_GL_WAIT_FAILED;
}
const auto ret = gl->fClientWaitSync(sync.mGLName, flags, timeout);
if (ret == LOCAL_GL_CONDITION_SATISFIED || ret == LOCAL_GL_ALREADY_SIGNALED) {
sync.MarkSignaled();
}
return ret;
}
} // namespace mozilla
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