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106 lines
2.9 KiB
106 lines
2.9 KiB
// Copyright (C) 2018 The Android Open Source Project
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#pragma once
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#include "android/base/files/Stream.h"
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#include "android/base/files/StreamSerializing.h"
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#include "goldfish_vk_private_defs.h"
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#include "VulkanHandleMapping.h"
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#include "IOStream.h"
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#include "ResourceTracker.h"
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#include "android/base/BumpPool.h"
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#include "android/base/Tracing.h"
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#include <vector>
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#include <memory>
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#include <log/log.h>
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#include <inttypes.h>
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class IOStream;
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namespace goldfish_vk {
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class VulkanStreamGuest : public android::base::Stream {
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public:
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VulkanStreamGuest(IOStream* stream);
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~VulkanStreamGuest();
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// Returns whether the connection is valid.
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bool valid();
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// General allocation function
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void alloc(void** ptrAddr, size_t bytes);
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// Utility functions to load strings or
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// string arrays in place with allocation.
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void loadStringInPlace(char** forOutput);
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void loadStringArrayInPlace(char*** forOutput);
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// When we load a string and are using a reserved pointer.
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void loadStringInPlaceWithStreamPtr(char** forOutput, uint8_t** streamPtr);
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void loadStringArrayInPlaceWithStreamPtr(char*** forOutput, uint8_t** streamPtr);
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ssize_t read(void *buffer, size_t size) override;
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ssize_t write(const void *buffer, size_t size) override;
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void writeLarge(const void* buffer, size_t size);
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// Frees everything that got alloc'ed.
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void clearPool();
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void setHandleMapping(VulkanHandleMapping* mapping);
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void unsetHandleMapping();
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VulkanHandleMapping* handleMapping() const;
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void flush();
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uint32_t getFeatureBits() const;
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void incStreamRef();
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bool decStreamRef();
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uint8_t* reserve(size_t size);
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private:
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android::base::BumpPool mPool;
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std::vector<uint8_t> mWriteBuffer;
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IOStream* mStream = nullptr;
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DefaultHandleMapping mDefaultHandleMapping;
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VulkanHandleMapping* mCurrentHandleMapping;
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uint32_t mFeatureBits = 0;
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};
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class VulkanCountingStream : public VulkanStreamGuest {
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public:
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VulkanCountingStream();
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~VulkanCountingStream();
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ssize_t read(void *buffer, size_t size) override;
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ssize_t write(const void *buffer, size_t size) override;
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size_t bytesWritten() const { return m_written; }
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size_t bytesRead() const { return m_read; }
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void rewind();
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private:
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size_t m_written = 0;
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size_t m_read = 0;
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};
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} // namespace goldfish_vk
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