1 // Copyright 2023 The Android Open Source Project 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either expresso or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #pragma once 16 17 #include <memory> 18 19 #include "Handle.h" 20 #include "aemu/base/files/Stream.h" 21 #include "snapshot/LazySnapshotObj.h" 22 23 #if GFXSTREAM_ENABLE_HOST_GLES 24 #include "gl/BufferGl.h" 25 #endif 26 27 namespace gfxstream { 28 namespace gl { 29 class EmulationGl; 30 } // namespace gl 31 } // namespace gfxstream 32 33 namespace gfxstream { 34 namespace vk { 35 class BufferVk; 36 struct VkEmulation; 37 } // namespace vk 38 } // namespace gfxstream 39 40 namespace gfxstream { 41 42 class Buffer : public android::snapshot::LazySnapshotObj<Buffer> { 43 public: 44 static std::shared_ptr<Buffer> create(gl::EmulationGl* emulationGl, 45 vk::VkEmulation* emulationVk, uint64_t size, 46 HandleType handle); 47 48 static std::shared_ptr<Buffer> onLoad(gl::EmulationGl* emulationGl, 49 vk::VkEmulation* emulationVk, 50 android::base::Stream* stream); 51 52 void onSave(android::base::Stream* stream); 53 void restore(); 54 getHndl()55 HandleType getHndl() const { return mHandle; } getSize()56 uint64_t getSize() const { return mSize; } 57 58 void readToBytes(uint64_t offset, uint64_t size, void* outBytes); 59 bool updateFromBytes(uint64_t offset, uint64_t size, const void* bytes); 60 61 private: 62 Buffer(HandleType handle, uint64_t size); 63 64 const uint64_t mSize; 65 const HandleType mHandle; 66 67 #if GFXSTREAM_ENABLE_HOST_GLES 68 // If GL emulation is enabled. 69 std::unique_ptr<gl::BufferGl> mBufferGl; 70 #endif 71 72 // If Vk emulation is enabled. 73 std::unique_ptr<vk::BufferVk> mBufferVk; 74 }; 75 76 typedef std::shared_ptr<Buffer> BufferPtr; 77 78 } // namespace gfxstream 79