Tony Barbour | 2f18b29 | 2016-02-25 15:44:10 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2016 Google, Inc. |
| 3 | * |
Jon Ashburn | 43b53e8 | 2016-04-19 11:30:31 -0600 | [diff] [blame] | 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 |
Tony Barbour | 2f18b29 | 2016-02-25 15:44:10 -0700 | [diff] [blame] | 7 | * |
Jon Ashburn | 43b53e8 | 2016-04-19 11:30:31 -0600 | [diff] [blame] | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
Tony Barbour | 2f18b29 | 2016-02-25 15:44:10 -0700 | [diff] [blame] | 9 | * |
Jon Ashburn | 43b53e8 | 2016-04-19 11:30:31 -0600 | [diff] [blame] | 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. |
Tony Barbour | 2f18b29 | 2016-02-25 15:44:10 -0700 | [diff] [blame] | 15 | */ |
| 16 | |
| 17 | #ifndef SMOKE_H |
| 18 | #define SMOKE_H |
| 19 | |
| 20 | #include <condition_variable> |
| 21 | #include <memory> |
| 22 | #include <mutex> |
| 23 | #include <string> |
| 24 | #include <thread> |
| 25 | #include <vector> |
| 26 | |
| 27 | #include <vulkan/vulkan.h> |
| 28 | #include <glm/glm.hpp> |
| 29 | |
| 30 | #include "Simulation.h" |
| 31 | #include "Game.h" |
| 32 | |
| 33 | class Meshes; |
| 34 | |
| 35 | class Smoke : public Game { |
Mark Lobodzinski | bc9caa5 | 2017-01-26 12:16:30 -0700 | [diff] [blame^] | 36 | public: |
Tony Barbour | 2f18b29 | 2016-02-25 15:44:10 -0700 | [diff] [blame] | 37 | Smoke(const std::vector<std::string> &args); |
| 38 | ~Smoke(); |
| 39 | |
| 40 | void attach_shell(Shell &sh); |
| 41 | void detach_shell(); |
| 42 | |
| 43 | void attach_swapchain(); |
| 44 | void detach_swapchain(); |
| 45 | |
| 46 | void on_key(Key key); |
| 47 | void on_tick(); |
| 48 | |
| 49 | void on_frame(float frame_pred); |
| 50 | |
Mark Lobodzinski | bc9caa5 | 2017-01-26 12:16:30 -0700 | [diff] [blame^] | 51 | private: |
Tony Barbour | 2f18b29 | 2016-02-25 15:44:10 -0700 | [diff] [blame] | 52 | class Worker { |
Mark Lobodzinski | bc9caa5 | 2017-01-26 12:16:30 -0700 | [diff] [blame^] | 53 | public: |
Tony Barbour | 2f18b29 | 2016-02-25 15:44:10 -0700 | [diff] [blame] | 54 | Worker(Smoke &smoke, int index, int object_begin, int object_end); |
| 55 | |
| 56 | void start(); |
| 57 | void stop(); |
| 58 | void update_simulation(); |
| 59 | void draw_objects(VkFramebuffer fb); |
| 60 | void wait_idle(); |
| 61 | |
| 62 | Smoke &smoke_; |
| 63 | |
| 64 | const int index_; |
| 65 | const int object_begin_; |
| 66 | const int object_end_; |
| 67 | |
| 68 | const float tick_interval_; |
| 69 | |
| 70 | VkFramebuffer fb_; |
| 71 | |
Mark Lobodzinski | bc9caa5 | 2017-01-26 12:16:30 -0700 | [diff] [blame^] | 72 | private: |
Tony Barbour | 2f18b29 | 2016-02-25 15:44:10 -0700 | [diff] [blame] | 73 | enum State { |
| 74 | INIT, |
| 75 | IDLE, |
| 76 | STEP, |
| 77 | DRAW, |
| 78 | }; |
| 79 | |
| 80 | void update_loop(); |
| 81 | |
| 82 | static void thread_loop(Worker *worker) { worker->update_loop(); } |
| 83 | |
| 84 | std::thread thread_; |
| 85 | std::mutex mutex_; |
| 86 | std::condition_variable state_cv_; |
| 87 | State state_; |
| 88 | }; |
| 89 | |
| 90 | struct Camera { |
| 91 | glm::vec3 eye_pos; |
| 92 | glm::mat4 view_projection; |
| 93 | |
| 94 | Camera(float eye) : eye_pos(eye) {} |
| 95 | }; |
| 96 | |
| 97 | struct FrameData { |
| 98 | // signaled when this struct is ready for reuse |
| 99 | VkFence fence; |
| 100 | |
| 101 | VkCommandBuffer primary_cmd; |
| 102 | std::vector<VkCommandBuffer> worker_cmds; |
| 103 | |
| 104 | VkBuffer buf; |
| 105 | uint8_t *base; |
| 106 | VkDescriptorSet desc_set; |
| 107 | }; |
| 108 | |
| 109 | // called by the constructor |
| 110 | void init_workers(); |
| 111 | |
| 112 | bool multithread_; |
| 113 | bool use_push_constants_; |
| 114 | |
| 115 | // called mostly by on_key |
| 116 | void update_camera(); |
| 117 | |
| 118 | bool sim_paused_; |
| 119 | Simulation sim_; |
| 120 | Camera camera_; |
| 121 | |
| 122 | std::vector<std::unique_ptr<Worker>> workers_; |
| 123 | |
| 124 | // called by attach_shell |
| 125 | void create_render_pass(); |
| 126 | void create_shader_modules(); |
| 127 | void create_descriptor_set_layout(); |
| 128 | void create_pipeline_layout(); |
| 129 | void create_pipeline(); |
| 130 | |
| 131 | void create_frame_data(int count); |
| 132 | void destroy_frame_data(); |
| 133 | void create_fences(); |
| 134 | void create_command_buffers(); |
| 135 | void create_buffers(); |
| 136 | void create_buffer_memory(); |
| 137 | void create_descriptor_sets(); |
| 138 | |
| 139 | VkPhysicalDevice physical_dev_; |
| 140 | VkDevice dev_; |
| 141 | VkQueue queue_; |
| 142 | uint32_t queue_family_; |
| 143 | VkFormat format_; |
| 144 | |
| 145 | VkPhysicalDeviceProperties physical_dev_props_; |
| 146 | std::vector<VkMemoryPropertyFlags> mem_flags_; |
| 147 | |
| 148 | const Meshes *meshes_; |
| 149 | |
| 150 | VkRenderPass render_pass_; |
| 151 | VkShaderModule vs_; |
| 152 | VkShaderModule fs_; |
| 153 | VkDescriptorSetLayout desc_set_layout_; |
| 154 | VkPipelineLayout pipeline_layout_; |
| 155 | VkPipeline pipeline_; |
| 156 | |
| 157 | VkCommandPool primary_cmd_pool_; |
| 158 | std::vector<VkCommandPool> worker_cmd_pools_; |
| 159 | VkDescriptorPool desc_pool_; |
| 160 | VkDeviceMemory frame_data_mem_; |
joey-lunarg | 1c88964 | 2017-01-10 15:55:49 -0700 | [diff] [blame] | 161 | VkDeviceSize frame_data_aligned_size_; |
Tony Barbour | 2f18b29 | 2016-02-25 15:44:10 -0700 | [diff] [blame] | 162 | std::vector<FrameData> frame_data_; |
| 163 | int frame_data_index_; |
| 164 | |
| 165 | VkClearValue render_pass_clear_value_; |
| 166 | VkRenderPassBeginInfo render_pass_begin_info_; |
| 167 | |
| 168 | VkCommandBufferBeginInfo primary_cmd_begin_info_; |
| 169 | VkPipelineStageFlags primary_cmd_submit_wait_stages_; |
| 170 | VkSubmitInfo primary_cmd_submit_info_; |
| 171 | |
| 172 | // called by attach_swapchain |
| 173 | void prepare_viewport(const VkExtent2D &extent); |
| 174 | void prepare_framebuffers(VkSwapchainKHR swapchain); |
| 175 | |
| 176 | VkExtent2D extent_; |
| 177 | VkViewport viewport_; |
| 178 | VkRect2D scissor_; |
| 179 | |
| 180 | std::vector<VkImage> images_; |
| 181 | std::vector<VkImageView> image_views_; |
| 182 | std::vector<VkFramebuffer> framebuffers_; |
| 183 | |
| 184 | // called by workers |
| 185 | void update_simulation(const Worker &worker); |
| 186 | void draw_object(const Simulation::Object &obj, FrameData &data, VkCommandBuffer cmd) const; |
| 187 | void draw_objects(Worker &worker); |
| 188 | }; |
| 189 | |
| 190 | #endif // HOLOGRAM_H |