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70 lines
1.9 KiB
C++
70 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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#ifndef WEBGL_SYNC_H_
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#define WEBGL_SYNC_H_
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#include "WebGLObjectModel.h"
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namespace mozilla {
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namespace webgl {
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class AvailabilityRunnable;
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struct Task {
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virtual ~Task() = default;
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virtual void operator()() const = 0;
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};
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template <class F>
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struct FnTask : public Task {
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const F fn;
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explicit FnTask(F&& fn) : fn(std::move(fn)) {}
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virtual void operator()() const override { fn(); }
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};
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} // namespace webgl
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enum class ClientWaitSyncResult : GLenum {
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WAIT_FAILED = LOCAL_GL_WAIT_FAILED,
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TIMEOUT_EXPIRED = LOCAL_GL_TIMEOUT_EXPIRED,
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CONDITION_SATISFIED = LOCAL_GL_CONDITION_SATISFIED,
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ALREADY_SIGNALED = LOCAL_GL_ALREADY_SIGNALED,
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};
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class WebGLSync final : public WebGLContextBoundObject, public SupportsWeakPtr {
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friend class WebGL2Context;
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friend class webgl::AvailabilityRunnable;
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MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(WebGLSync, override)
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const GLsync mGLName;
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const uint64_t mFenceId;
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bool mCanBeAvailable = false;
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std::optional<std::vector<std::unique_ptr<webgl::Task>>> mOnCompleteTasks =
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std::vector<std::unique_ptr<webgl::Task>>{};
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public:
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WebGLSync(WebGLContext* webgl, GLenum condition, GLbitfield flags);
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ClientWaitSyncResult ClientWaitSync(GLbitfield flags, GLuint64 timeout);
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template <class F>
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void OnCompleteTaskAdd(F&& fn) {
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MOZ_RELEASE_ASSERT(mOnCompleteTasks);
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auto task = std::make_unique<webgl::FnTask<F>>(std::move(fn));
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mOnCompleteTasks->push_back(std::move(task));
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}
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bool IsKnownComplete() const { return !mOnCompleteTasks; }
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private:
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~WebGLSync() override;
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};
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} // namespace mozilla
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#endif // WEBGL_SYNC_H_
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