1 /*
2 * Copyright (c) 2024 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 SCENE_SRC_MESH_SHADER_H
17 #define SCENE_SRC_MESH_SHADER_H
18
19 #include <scene/ext/intf_ecs_object.h>
20 #include <scene/ext/intf_internal_scene.h>
21 #include <scene/ext/intf_render_resource.h>
22 #include <scene/interface/intf_shader.h>
23 #include <shared_mutex>
24
25 #include <meta/ext/implementation_macros.h>
26 #include <meta/ext/object.h>
27 #include <meta/interface/resource/intf_dynamic_resource.h>
28
SCENE_BEGIN_NAMESPACE()29 SCENE_BEGIN_NAMESPACE()
30
31 class Shader : public META_NS::IntroduceInterfaces<META_NS::MetaObject, IShader, IRenderResource, IEcsResource,
32 IGraphicsState, META_NS::IDynamicResource, META_NS::INamed, IShaderState> {
33 META_OBJECT(Shader, ClassId::Shader, IntroduceInterfaces)
34 public:
35 META_BEGIN_STATIC_DATA()
36 META_STATIC_PROPERTY_DATA(META_NS::INamed, BASE_NS::string, Name)
37 META_STATIC_PROPERTY_DATA(IShader, BASE_NS::string, Uri)
38 META_STATIC_EVENT_DATA(META_NS::IDynamicResource, META_NS::IOnChanged, OnResourceChanged)
39 META_END_STATIC_DATA()
40
41 META_IMPLEMENT_PROPERTY(BASE_NS::string, Name)
42 META_IMPLEMENT_READONLY_PROPERTY(BASE_NS::string, Uri)
43 META_IMPLEMENT_EVENT(META_NS::IOnChanged, OnResourceChanged)
44
45 BASE_NS::string GetName() const override;
46
47 bool SetRenderHandle(const IInternalScene::Ptr& scene, RENDER_NS::RenderHandleReference handle,
48 CORE_NS::EntityReference ent) override;
49 bool SetShaderState(const IInternalScene::Ptr& scene, RENDER_NS::RenderHandleReference handle,
50 CORE_NS::EntityReference ent, RENDER_NS::RenderHandleReference ghandle,
51 CORE_NS::EntityReference gstate) override;
52 RENDER_NS::RenderHandleReference GetRenderHandle() const override;
53 CORE_NS::Entity GetEntity() const override;
54
55 bool SetGraphicsState(CORE_NS::EntityReference) override;
56 CORE_NS::EntityReference GetGraphicsState() const override;
57
58 Future<bool> LoadShader(const IScene::Ptr&, BASE_NS::string_view uri) override;
59
60 void Refresh() override {}
61
62 Future<CullModeFlags> GetCullMode() const override;
63 Future<bool> SetCullMode(CullModeFlags) override;
64 Future<bool> IsBlendEnabled() const override;
65 Future<bool> EnableBlend(bool) override;
66
67 private:
68 bool SetRenderHandleImpl(const IInternalScene::Ptr& scene, RENDER_NS::RenderHandleReference);
69 IInternalScene::Ptr GetScene() const;
70
71 RENDER_NS::RenderHandleReference GetGraphicsStateHandle() const;
72 RENDER_NS::RenderHandleReference UpdateGraphicsState(
73 const IInternalScene::Ptr& scene, const RENDER_NS::GraphicsState& gs);
74
75 private:
76 mutable std::shared_mutex mutex_;
77 RENDER_NS::RenderHandleReference handle_;
78 CORE_NS::EntityReference entity_;
79 CORE_NS::EntityReference graphicsState_;
80 RENDER_NS::RenderHandleReference graphicsStateHandle_;
81 IInternalScene::WeakPtr scene_;
82 };
83
84 SCENE_END_NAMESPACE()
85
86 #endif