Hash :
c27a4a1d
Author :
Date :
2023-11-27T14:44:07
Re-use EGL sync object allocations. Create a pool of EGL sync objects with their implementations that can be re-used. Update all backend implementations to support multiple calls to initialize/destroy. Pool size of 32 chosen through experimentation using Chrome. Bug: angleproject:8430 Change-Id: I86fea41aed35eddccc953efb3802bf5fdb7f3cb2 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5063341 Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org> Commit-Queue: Geoff Lang <geofflang@chromium.org>
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//
// Copyright 2019 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
// EGLSync.h: Defines the egl::Sync classes, which support the EGL_KHR_fence_sync,
// EGL_KHR_wait_sync and EGL 1.5 sync objects.
#ifndef LIBANGLE_EGLSYNC_H_
#define LIBANGLE_EGLSYNC_H_
#include "libANGLE/Debug.h"
#include "libANGLE/Error.h"
#include "libANGLE/RefCountObject.h"
#include "common/angleutils.h"
namespace rx
{
class EGLImplFactory;
class EGLSyncImpl;
} // namespace rx
namespace gl
{
class Context;
} // namespace gl
namespace egl
{
class Sync final : public LabeledObject
{
public:
Sync(rx::EGLImplFactory *factory, EGLenum type);
~Sync() override;
void setLabel(EGLLabelKHR label) override;
EGLLabelKHR getLabel() const override;
const SyncID &id() const { return mId; }
void onDestroy(const Display *display);
Error initialize(const Display *display,
const gl::Context *context,
const SyncID &id,
const AttributeMap &attribs);
Error clientWait(const Display *display,
const gl::Context *context,
EGLint flags,
EGLTime timeout,
EGLint *outResult);
Error serverWait(const Display *display, const gl::Context *context, EGLint flags);
Error signal(const Display *display, const gl::Context *context, EGLint mode);
Error getStatus(const Display *display, EGLint *outStatus) const;
Error copyMetalSharedEventANGLE(const Display *display, void **result) const;
Error dupNativeFenceFD(const Display *display, EGLint *result) const;
EGLenum getType() const { return mType; }
const AttributeMap &getAttributeMap() const { return mAttributeMap; }
EGLint getCondition() const { return mCondition; }
EGLint getNativeFenceFD() const { return mNativeFenceFD; }
private:
std::unique_ptr<rx::EGLSyncImpl> mFence;
EGLLabelKHR mLabel;
SyncID mId;
EGLenum mType;
AttributeMap mAttributeMap;
EGLint mCondition;
EGLint mNativeFenceFD;
};
} // namespace egl
#endif // LIBANGLE_FENCE_H_