/*
 * Copyright (C) 2016 Google, Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 */

#ifndef MESHES_H
#define MESHES_H

#include <vulkan/vulkan.h>
#include <vector>

class Meshes {
public:
    Meshes(VkDevice dev, const std::vector<VkMemoryPropertyFlags> &mem_flags);
    ~Meshes();

    const VkPipelineVertexInputStateCreateInfo &vertex_input_state() const { return vertex_input_state_; }
    const VkPipelineInputAssemblyStateCreateInfo &input_assembly_state() const { return input_assembly_state_; }

    enum Type {
        MESH_PYRAMID,
        MESH_ICOSPHERE,
        MESH_TEAPOT,

        MESH_COUNT,
    };

    void cmd_bind_buffers(VkCommandBuffer cmd) const;
    void cmd_draw(VkCommandBuffer cmd, Type type) const;

private:
    void allocate_resources(VkDeviceSize vb_size, VkDeviceSize ib_size, const std::vector<VkMemoryPropertyFlags> &mem_flags);

    VkDevice dev_;

    VkVertexInputBindingDescription vertex_input_binding_;
    std::vector<VkVertexInputAttributeDescription> vertex_input_attrs_;
    VkPipelineVertexInputStateCreateInfo vertex_input_state_;
    VkPipelineInputAssemblyStateCreateInfo input_assembly_state_;
    VkIndexType index_type_;

    std::vector<VkDrawIndexedIndirectCommand> draw_commands_;

    VkBuffer vb_;
    VkBuffer ib_;
    VkDeviceMemory mem_;
    VkDeviceSize ib_mem_offset_;
};

#endif // MESHES_H