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 #include <GLES2/gl2.h>
16 
17 #include <memory>
18 #include <vector>
19 
20 #include "ExternalObjectManager.h"
21 #include "FrameworkFormats.h"
22 #include "aemu/base/files/Stream.h"
23 
24 namespace gfxstream {
25 namespace vk {
26 
27 class ColorBufferVk {
28    public:
29     static std::unique_ptr<ColorBufferVk> create(uint32_t handle, uint32_t width, uint32_t height,
30                                                  GLenum format, FrameworkFormat frameworkFormat,
31                                                  bool vulkanOnly, uint32_t memoryProperty,
32                                                  android::base::Stream* stream = nullptr);
33 
34     ~ColorBufferVk();
35 
36     bool readToBytes(std::vector<uint8_t>* outBytes);
37     bool readToBytes(uint32_t x, uint32_t y, uint32_t w, uint32_t h, void* outBytes,
38                      uint64_t outBytesSize);
39 
40     bool updateFromBytes(const std::vector<uint8_t>& bytes);
41     bool updateFromBytes(uint32_t x, uint32_t y, uint32_t w, uint32_t h, const void* bytes);
42 
43     bool importExtMemoryHandle(void* nativeResource, uint32_t type, bool preserveContent);
44 
45     void onSave(android::base::Stream* stream);
46 
47     int waitSync();
48     std::optional<BlobDescriptorInfo> exportBlob();
49 
50    private:
51     ColorBufferVk(uint32_t handle);
52 
53     const uint32_t mHandle;
54 };
55 
56 }  // namespace vk
57 }  // namespace gfxstream
58