1 /*
2  * Copyright (c) 2023 Huawei Device Co., Ltd.
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 express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #include "vulkan_render_backend.h"
17 #include <iostream>
18 #include "drawing_utils.h"
19 #include "skia_adapter/skia_surface.h"
20 #include "surface_ohos_vulkan.h"
21 
22 namespace OHOS {
23 namespace Rosen {
24 
Destroy()25 void VulkanRenderBackend::Destroy()
26 {
27     grContext_ = nullptr;
28     skSurface_ = nullptr;
29 }
30 
RenderFrame()31 void VulkanRenderBackend::RenderFrame()
32 {
33     if (drSurface_ == nullptr) {
34         LOGE("drSurface is nullptr, can not RenderFrame");
35         return;
36     }
37     skSurface_ = drSurface_->GetImpl<Drawing::SkiaSurface>()->GetSkSurface().get();
38     if (skSurface_ == nullptr) {
39         std::cout << "skSurface is nullptr, can not RenderFrame" << std::endl;
40         return;
41     }
42     // flush commands
43     if (skSurface_->getCanvas() != nullptr) {
44         skSurface_->getCanvas()->flush();
45         std::cout << "VulkanRenderBackend skia RenderFrame flushing end" << std::endl;
46     } else {
47         std::cout << "skia canvas is nullptr!!!" << std::endl;
48     }
49 }
50 
AcquireSkCanvas(std::unique_ptr<SurfaceFrame> & frame)51 SkCanvas* VulkanRenderBackend::AcquireSkCanvas(std::unique_ptr<SurfaceFrame>& frame)
52 {
53     auto vulkan_frame = reinterpret_cast<SurfaceFrameOhosVulkan*>(frame.get());
54     drSurface_ = vulkan_frame->GetSurface();
55     skSurface_ = drSurface_->GetImpl<Drawing::SkiaSurface>()->GetSkSurface().get();
56     return skSurface_->getCanvas();
57 }
58 
AcquireDrCanvas(std::unique_ptr<SurfaceFrame> & frame)59 Drawing::Canvas* VulkanRenderBackend::AcquireDrCanvas(std::unique_ptr<SurfaceFrame>& frame)
60 {
61     auto vulkan_frame = reinterpret_cast<SurfaceFrameOhosVulkan*>(frame.get());
62     drSurface_ = vulkan_frame->GetSurface();
63     return vulkan_frame->GetCanvas();
64 }
65 }
66 }