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1 /*
2  * Copyright (c) 2022 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 "canvas_context.h"
17 
18 #include <iostream>
19 
20 #include "drawing_utils.h"
21 #include "software_render_backend.h"
22 #include "gles_render_backend.h"
23 #include "vulkan_render_backend.h"
24 
25 namespace OHOS {
26 namespace Rosen {
Create()27 CanvasContext* CanvasContext::Create()
28 {
29     auto type = Setting::GetRenderBackendType();
30     switch (type) {
31         case RenderBackendType::VULKAN:
32 #ifdef RS_ENABLE_VK
33             if (RSSystemProperties::GetGpuApiType() == GpuApiType::VULKAN ||
34                 RSSystemProperties::GetGpuApiType() == GpuApiType::DDGR) {
35                 std::cout << "CanvasContext::Create with vulkan backend" << std::endl;
36                 return new CanvasContext(std::make_unique<VulkanRenderBackend>());
37             }
38 #endif
39             break;
40         case RenderBackendType::GLES:
41 #ifdef RS_ENABLE_GL
42             if (RSSystemProperties::GetGpuApiType() == GpuApiType::OPENGL) {
43                 std::cout << "CanvasContext::Create with gles backend" << std::endl;
44                 return new CanvasContext(std::make_unique<GLESRenderBackend>());
45             }
46 #endif
47             break;
48         case RenderBackendType::SOFTWARE:
49             std::cout << "CanvasContext::Create with software backend" << std::endl;
50             return new CanvasContext(std::make_unique<SoftwareRenderBackend>());
51         default:
52             return nullptr;
53     }
54     return nullptr;
55 }
56 
CanvasContext(std::unique_ptr<IRenderBackend> renderBackend)57 CanvasContext::CanvasContext(std::unique_ptr<IRenderBackend> renderBackend)
58     : renderBackend_(std::move(renderBackend))
59 {
60 }
61 
~CanvasContext()62 CanvasContext::~CanvasContext()
63 {
64     renderBackend_->Destroy();
65 }
66 
CreateSurface(void * window)67 void* CanvasContext::CreateSurface(void* window)
68 {
69     return renderBackend_->CreateSurface(window);
70 }
71 
RenderFrame()72 void CanvasContext::RenderFrame()
73 {
74     renderBackend_->RenderFrame();
75 }
76 
AcquireSkCanvas(std::unique_ptr<SurfaceFrame> & frame)77 SkCanvas* CanvasContext::AcquireSkCanvas(std::unique_ptr<SurfaceFrame>& frame)
78 {
79     return renderBackend_->AcquireSkCanvas(frame);
80 }
81 
AcquireDrCanvas(std::unique_ptr<SurfaceFrame> & frame)82 Drawing::Canvas* CanvasContext::AcquireDrCanvas(std::unique_ptr<SurfaceFrame>& frame)
83 {
84     return renderBackend_->AcquireDrCanvas(frame);
85 }
86 
InitDrawContext()87 void CanvasContext::InitDrawContext()
88 {
89     renderBackend_->InitDrawContext();
90 }
91 
MakeCurrent()92 void CanvasContext::MakeCurrent()
93 {
94     renderBackend_->MakeCurrent();
95 }
96 
SwapBuffers()97 void CanvasContext::SwapBuffers()
98 {
99     renderBackend_->SwapBuffers();
100 }
101 }
102 }