1/*
2 * Copyright (C) 2016 Google, Inc.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *     http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef MESHES_H
18#define MESHES_H
19
20#include <vulkan/vulkan.h>
21#include <vector>
22
23class Meshes {
24public:
25    Meshes(VkDevice dev, const std::vector<VkMemoryPropertyFlags> &mem_flags);
26    ~Meshes();
27
28    const VkPipelineVertexInputStateCreateInfo &vertex_input_state() const { return vertex_input_state_; }
29    const VkPipelineInputAssemblyStateCreateInfo &input_assembly_state() const { return input_assembly_state_; }
30
31    enum Type {
32        MESH_PYRAMID,
33        MESH_ICOSPHERE,
34        MESH_TEAPOT,
35
36        MESH_COUNT,
37    };
38
39    void cmd_bind_buffers(VkCommandBuffer cmd) const;
40    void cmd_draw(VkCommandBuffer cmd, Type type) const;
41
42private:
43    void allocate_resources(VkDeviceSize vb_size, VkDeviceSize ib_size, const std::vector<VkMemoryPropertyFlags> &mem_flags);
44
45    VkDevice dev_;
46
47    VkVertexInputBindingDescription vertex_input_binding_;
48    std::vector<VkVertexInputAttributeDescription> vertex_input_attrs_;
49    VkPipelineVertexInputStateCreateInfo vertex_input_state_;
50    VkPipelineInputAssemblyStateCreateInfo input_assembly_state_;
51    VkIndexType index_type_;
52
53    std::vector<VkDrawIndexedIndirectCommand> draw_commands_;
54
55    VkBuffer vb_;
56    VkBuffer ib_;
57    VkDeviceMemory mem_;
58    VkDeviceSize ib_mem_offset_;
59};
60
61#endif // MESHES_H
62