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//
// Copyright 2016 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.
//
// SyncVk:
// Defines the class interface for SyncVk, implementing SyncImpl.
//
#ifndef LIBANGLE_RENDERER_VULKAN_FENCESYNCVK_H_
#define LIBANGLE_RENDERER_VULKAN_FENCESYNCVK_H_
#include "libANGLE/renderer/EGLSyncImpl.h"
#include "libANGLE/renderer/SyncImpl.h"
#include "libANGLE/renderer/vulkan/vk_utils.h"
namespace egl
{
class AttributeMap;
}
namespace rx
{
// The behaviors of SyncImpl and EGLSyncImpl as fence syncs (only supported type) are currently
// identical for the Vulkan backend, and this class implements both interfaces.
class FenceSyncVk
{
public:
FenceSyncVk();
~FenceSyncVk();
void onDestroy(RendererVk *renderer);
angle::Result initialize(vk::Context *context);
angle::Result clientWait(vk::Context *context,
bool flushCommands,
uint64_t timeout,
VkResult *outResult);
angle::Result serverWait(vk::Context *context);
angle::Result getStatus(vk::Context *context, bool *signaled);
private:
bool hasPendingWork(RendererVk *renderer);
// The vkEvent that's signaled on `init` and can be waited on in `serverWait`, or queried with
// `getStatus`.
vk::Event mEvent;
// The serial in which the event was inserted. Used in `clientWait` to know whether flush is
// necessary, and to be able to wait on the vkFence that's automatically inserted at the end of
// each submissions.
Serial mSignalSerial;
};
class SyncVk final : public SyncImpl
{
public:
SyncVk();
~SyncVk() override;
void onDestroy(const gl::Context *context) override;
angle::Result set(const gl::Context *context, GLenum condition, GLbitfield flags) override;
angle::Result clientWait(const gl::Context *context,
GLbitfield flags,
GLuint64 timeout,
GLenum *outResult) override;
angle::Result serverWait(const gl::Context *context,
GLbitfield flags,
GLuint64 timeout) override;
angle::Result getStatus(const gl::Context *context, GLint *outResult) override;
private:
FenceSyncVk mFenceSync;
};
class EGLSyncVk final : public EGLSyncImpl
{
public:
EGLSyncVk(const egl::AttributeMap &attribs);
~EGLSyncVk() override;
void onDestroy(const egl::Display *display) override;
egl::Error initialize(const egl::Display *display, EGLenum type) override;
egl::Error clientWait(const egl::Display *display,
EGLint flags,
EGLTime timeout,
EGLint *outResult) override;
egl::Error serverWait(const egl::Display *display, EGLint flags) override;
egl::Error getStatus(const egl::Display *display, EGLint *outStatus) override;
private:
FenceSyncVk mFenceSync;
};
} // namespace rx
#endif // LIBANGLE_RENDERER_VULKAN_FENCESYNCVK_H_