104 lines
3.2 KiB
C++
Executable File
104 lines
3.2 KiB
C++
Executable File
// Copyright 2016 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef GPU_IPC_COMMON_SURFACE_HANDLE_MOJOM_SHARED_INTERNAL_H_
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#define GPU_IPC_COMMON_SURFACE_HANDLE_MOJOM_SHARED_INTERNAL_H_
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#include "mojo/public/cpp/bindings/lib/array_internal.h"
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#include "mojo/public/cpp/bindings/lib/bindings_internal.h"
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#include "mojo/public/cpp/bindings/lib/map_data_internal.h"
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#include "mojo/public/cpp/bindings/lib/buffer.h"
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#include "mojo/public/cpp/bindings/lib/native_enum_data.h"
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#include "mojo/public/interfaces/bindings/native_struct.mojom-shared-internal.h"
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namespace mojo {
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namespace internal {
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class ValidationContext;
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}
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}
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namespace gpu {
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namespace mojom {
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namespace internal {
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class SurfaceHandle_Data;
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#pragma pack(push, 1)
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class SurfaceHandle_Data {
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public:
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class BufferWriter {
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public:
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BufferWriter() = default;
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void Allocate(mojo::internal::Buffer* serialization_buffer) {
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serialization_buffer_ = serialization_buffer;
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index_ = serialization_buffer_->Allocate(sizeof(SurfaceHandle_Data));
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new (data()) SurfaceHandle_Data();
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}
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bool is_null() const { return !serialization_buffer_; }
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SurfaceHandle_Data* data() {
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DCHECK(!is_null());
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return serialization_buffer_->Get<SurfaceHandle_Data>(index_);
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}
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SurfaceHandle_Data* operator->() { return data(); }
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private:
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mojo::internal::Buffer* serialization_buffer_ = nullptr;
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size_t index_ = 0;
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DISALLOW_COPY_AND_ASSIGN(BufferWriter);
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};
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static bool Validate(const void* data,
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mojo::internal::ValidationContext* validation_context);
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mojo::internal::StructHeader header_;
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uint64_t surface_handle;
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private:
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SurfaceHandle_Data();
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~SurfaceHandle_Data() = delete;
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};
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static_assert(sizeof(SurfaceHandle_Data) == 16,
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"Bad sizeof(SurfaceHandle_Data)");
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// Used by SurfaceHandle::WrapAsMessage to lazily serialize the struct.
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template <typename UserType, typename DataView>
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struct SurfaceHandle_UnserializedMessageContext
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: public mojo::internal::UnserializedMessageContext {
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public:
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static const mojo::internal::UnserializedMessageContext::Tag kMessageTag;
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SurfaceHandle_UnserializedMessageContext(
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uint32_t message_name,
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uint32_t message_flags,
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UserType input)
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: mojo::internal::UnserializedMessageContext(&kMessageTag, message_name, message_flags)
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, user_data_(std::move(input)) {}
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~SurfaceHandle_UnserializedMessageContext() override = default;
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UserType TakeData() {
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return std::move(user_data_);
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}
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private:
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// mojo::internal::UnserializedMessageContext:
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void Serialize(mojo::internal::SerializationContext* context,
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mojo::internal::Buffer* buffer) override {
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SurfaceHandle_Data::BufferWriter writer;
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mojo::internal::Serialize<DataView>(user_data_, buffer, &writer, context);
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}
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UserType user_data_;
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};
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template <typename UserType, typename DataView>
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const mojo::internal::UnserializedMessageContext::Tag
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SurfaceHandle_UnserializedMessageContext<UserType, DataView>::kMessageTag = {};
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#pragma pack(pop)
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} // namespace internal
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} // namespace mojom
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} // namespace gpu
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#endif // GPU_IPC_COMMON_SURFACE_HANDLE_MOJOM_SHARED_INTERNAL_H_
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