chromium/third_party/dawn/src/dawn/native/Instance.h

// Copyright 2018 The Dawn & Tint Authors
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this
//    list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice,
//    this list of conditions and the following disclaimer in the documentation
//    and/or other materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its
//    contributors may be used to endorse or promote products derived from
//    this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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#ifndef SRC_DAWN_NATIVE_INSTANCE_H_
#define SRC_DAWN_NATIVE_INSTANCE_H_

#include <array>
#include <memory>
#include <mutex>
#include <string>
#include <vector>

#include "absl/container/flat_hash_set.h"
#include "dawn/common/MutexProtected.h"
#include "dawn/common/Ref.h"
#include "dawn/common/RefCountedWithExternalCount.h"
#include "dawn/common/ityp_array.h"
#include "dawn/common/ityp_bitset.h"
#include "dawn/native/Adapter.h"
#include "dawn/native/BackendConnection.h"
#include "dawn/native/ErrorSink.h"
#include "dawn/native/EventManager.h"
#include "dawn/native/Features.h"
#include "dawn/native/Forward.h"
#include "dawn/native/Toggles.h"
#include "dawn/native/dawn_platform.h"
#include "partition_alloc/pointers/raw_ptr.h"
#include "tint/lang/wgsl/features/language_feature.h"

namespace dawn::platform {
class Platform;
}  // namespace dawn::platform

namespace dawn::native {

class CallbackTaskManager;
class DeviceBase;
class Surface;
class X11Functions;

BackendsBitset;
BackendsArray;

wgpu::Status APIGetInstanceFeatures(InstanceFeatures* features);
InstanceBase* APICreateInstance(const InstanceDescriptor* descriptor);

// This is called InstanceBase for consistency across the frontend, even if the backends don't
// specialize this class.
class InstanceBase final : public ErrorSink, public RefCountedWithExternalCount<RefCounted> { … };

}  // namespace dawn::native

#endif  // SRC_DAWN_NATIVE_INSTANCE_H_