1 #ifndef DALI_SCENE3D_LOADER_BLEND_SHAPE_DETAILS_H
2 #define DALI_SCENE3D_LOADER_BLEND_SHAPE_DETAILS_H
4 * Copyright (c) 2023 Samsung Electronics Co., Ltd.
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
10 * http://www.apache.org/licenses/LICENSE-2.0
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
21 #include <dali/public-api/actors/actor.h>
22 #include <dali/public-api/common/vector-wrapper.h>
23 #include <dali/public-api/object/weak-handle.h>
24 #include <dali/public-api/rendering/shader.h>
25 #include <limits> ///< for std::numeric_limits
29 #include <dali-scene3d/public-api/api.h>
31 namespace Dali::Scene3D::Loader
33 struct MeshDefinition;
36 struct DALI_SCENE3D_API BlendShapes
38 using Index = uint32_t;
39 static constexpr Index INVALID_INDEX = std::numeric_limits<Index>::max();
60 std::vector<std::string> names;
61 std::vector<float> weights;
62 std::vector<float> unnormalizeFactors;
63 Version version{Scene3D::Loader::BlendShapes::Version::INVALID};
64 uint32_t bufferOffset{0};
65 int32_t components{0x0};
66 Dali::WeakHandle<Actor> mActor;
69 // shader properties - animatable (uniforms)
70 static const char* NUMBER_OF_BLEND_SHAPES; ///< Integer number of blend shapes loaded.
71 static const char* UNNORMALIZE_FACTOR; ///< Scalar(s) for position components of blend shapes; Version 1.0: float array (1 per blend shape); Version 2.0: single float.
72 static const char* COMPONENT_SIZE; ///< Integer offset from one component (positions / normals / tangents) of a blend shape to the next.
74 // shader properties - read-only (not available as uniforms)
75 static const char* COMPONENTS; ///< Integer bitmask of the blend shape components that the shader uses; refer to the Components enum.
77 // actor property (instance) - animatable (uniforms)
78 static const char* WEIGHTS_UNIFORM; ///< The weight of each blend shape in a float array
81 * @brief Registers properties based on the mesh definition (and geometry) and identified by the above string constants,
82 * on the given @a renderer and @a actor.
85 static void ConfigureProperties(const BlendShapeData& data, Renderer renderer);
87 BlendShapes() = delete;
90 } // namespace Dali::Scene3D::Loader
92 #endif // DALI_SCENE3D_LOADER_BLEND_SHAPE_DETAILS_H