Files
Vulkan-Samples/framework/scene_graph/components/sub_mesh.h
T
2025-09-04 10:54:47 +08:00

88 lines
2.0 KiB
C++

/* Copyright (c) 2018-2025, Arm Limited and Contributors
*
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 the "License";
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include <memory>
#include <string>
#include <typeinfo>
#include <unordered_map>
#include <vector>
#include "common/vk_common.h"
#include "core/buffer.h"
#include "core/shader_module.h"
#include "scene_graph/component.h"
namespace vkb
{
namespace sg
{
class Material;
struct VertexAttribute
{
VkFormat format = VK_FORMAT_UNDEFINED;
std::uint32_t stride = 0;
std::uint32_t offset = 0;
};
class SubMesh : public Component
{
public:
SubMesh(const std::string &name = {});
virtual ~SubMesh() = default;
virtual std::type_index get_type() override;
VkIndexType index_type{};
std::uint32_t index_offset = 0;
std::uint32_t vertices_count = 0;
std::uint32_t vertex_indices = 0;
std::unordered_map<std::string, vkb::core::BufferC> vertex_buffers;
std::unique_ptr<vkb::core::BufferC> index_buffer;
void set_attribute(const std::string &name, const VertexAttribute &attribute);
bool get_attribute(const std::string &name, VertexAttribute &attribute) const;
void set_material(const Material &material);
const Material *get_material() const;
const ShaderVariant &get_shader_variant() const;
ShaderVariant &get_mut_shader_variant();
private:
std::unordered_map<std::string, VertexAttribute> vertex_attributes;
const Material *material{nullptr};
ShaderVariant shader_variant;
};
} // namespace sg
} // namespace vkb