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