1 /*
2  * Copyright (c) 2021-2023 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 #ifndef WEBGL_TRANSFORM_FEEDBACK_H
17 #define WEBGL_TRANSFORM_FEEDBACK_H
18 
19 #include "napi/n_exporter.h"
20 #include "webgl_object.h"
21 
22 namespace OHOS {
23 namespace Rosen {
24 class WebGLTransformFeedback final : public NExporter, public WebGLObject {
25 public:
26     inline static const std::string className = "WebGLTransformFeedback";
27     inline static const int objectType = WEBGL_OBJECT_TRANSFORM_FEEDBACK;
28     inline static const uint32_t DEFAULT_TRANSFORM_FEEDBACK = 0;
29 
30     bool Export(napi_env env, napi_value exports) override;
31     std::string GetClassName() override;
32     static napi_value Constructor(napi_env env, napi_callback_info info);
CreateObjectInstance(napi_env env,WebGLTransformFeedback ** instance)33     static NVal CreateObjectInstance(napi_env env, WebGLTransformFeedback** instance)
34     {
35         return WebGLObject::CreateObjectInstance<WebGLTransformFeedback>(env, instance);
36     }
37 
SetTransformFeedback(uint32_t transformFeedback)38     void SetTransformFeedback(uint32_t transformFeedback)
39     {
40         transformFeedback_ = transformFeedback;
41     }
42 
GetTransformFeedback()43     uint32_t GetTransformFeedback() const
44     {
45         return transformFeedback_;
46     }
47 
GetTarget()48     GLenum GetTarget() const
49     {
50         return target_;
51     }
52 
SetTarget(GLenum target)53     void SetTarget(GLenum target)
54     {
55         target_ = target;
56     }
57 
WebGLTransformFeedback()58     explicit WebGLTransformFeedback() : transformFeedback_(0) {};
WebGLTransformFeedback(napi_env env,napi_value exports)59     WebGLTransformFeedback(napi_env env, napi_value exports) : NExporter(env, exports), transformFeedback_(0) {};
~WebGLTransformFeedback()60     ~WebGLTransformFeedback() {};
61 private:
62     uint32_t transformFeedback_;
63     GLenum target_ { 0 };
64 };
65 } // namespace Rosen
66 } // namespace OHOS
67 #endif // WEBGL_TRANSFORM_FEEDBACK_H
68