Tony Barbour | 2f18b29 | 2016-02-25 15:44:10 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2016 Google, Inc. |
| 3 | * |
| 4 | * Permission is hereby granted, free of charge, to any person obtaining a |
| 5 | * copy of this software and associated documentation files (the "Software"), |
| 6 | * to deal in the Software without restriction, including without limitation |
| 7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| 8 | * and/or sell copies of the Software, and to permit persons to whom the |
| 9 | * Software is furnished to do so, subject to the following conditions: |
| 10 | * |
| 11 | * The above copyright notice and this permission notice shall be included |
| 12 | * in all copies or substantial portions of the Software. |
| 13 | * |
| 14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 17 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 18 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| 19 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
| 20 | * DEALINGS IN THE SOFTWARE. |
| 21 | */ |
| 22 | |
| 23 | #ifndef SHELL_H |
| 24 | #define SHELL_H |
| 25 | |
| 26 | #include <queue> |
| 27 | #include <vector> |
| 28 | #include <stdexcept> |
| 29 | #include <vulkan/vulkan.h> |
| 30 | |
| 31 | #include "Game.h" |
| 32 | |
| 33 | class Game; |
| 34 | |
| 35 | class Shell { |
| 36 | public: |
| 37 | Shell(const Shell &sh) = delete; |
| 38 | Shell &operator=(const Shell &sh) = delete; |
| 39 | virtual ~Shell() {} |
| 40 | |
| 41 | struct BackBuffer { |
| 42 | uint32_t image_index; |
| 43 | |
| 44 | VkSemaphore acquire_semaphore; |
| 45 | VkSemaphore render_semaphore; |
| 46 | |
| 47 | // signaled when this struct is ready for reuse |
| 48 | VkFence present_fence; |
| 49 | }; |
| 50 | |
| 51 | struct Context { |
| 52 | VkInstance instance; |
| 53 | VkDebugReportCallbackEXT debug_report; |
| 54 | |
| 55 | VkPhysicalDevice physical_dev; |
| 56 | uint32_t game_queue_family; |
| 57 | uint32_t present_queue_family; |
| 58 | |
| 59 | VkDevice dev; |
| 60 | VkQueue game_queue; |
| 61 | VkQueue present_queue; |
| 62 | |
| 63 | std::queue<BackBuffer> back_buffers; |
| 64 | |
| 65 | VkSurfaceKHR surface; |
| 66 | VkSurfaceFormatKHR format; |
| 67 | |
| 68 | VkSwapchainKHR swapchain; |
| 69 | VkExtent2D extent; |
| 70 | |
| 71 | BackBuffer acquired_back_buffer; |
| 72 | }; |
| 73 | const Context &context() const { return ctx_; } |
| 74 | |
| 75 | enum LogPriority { |
| 76 | LOG_DEBUG, |
| 77 | LOG_INFO, |
| 78 | LOG_WARN, |
| 79 | LOG_ERR, |
| 80 | }; |
| 81 | virtual void log(LogPriority priority, const char *msg); |
| 82 | |
| 83 | virtual void run() = 0; |
| 84 | virtual void quit() = 0; |
| 85 | |
| 86 | protected: |
| 87 | Shell(Game &game); |
| 88 | |
| 89 | void init_vk(); |
| 90 | void cleanup_vk(); |
| 91 | |
| 92 | void create_context(); |
| 93 | void destroy_context(); |
| 94 | |
| 95 | void resize_swapchain(uint32_t width_hint, uint32_t height_hint); |
| 96 | |
| 97 | void add_game_time(float time); |
| 98 | |
| 99 | void acquire_back_buffer(); |
| 100 | void present_back_buffer(); |
| 101 | |
| 102 | Game &game_; |
| 103 | const Game::Settings &settings_; |
| 104 | |
| 105 | std::vector<const char *> instance_layers_; |
| 106 | std::vector<const char *> instance_extensions_; |
| 107 | |
| 108 | std::vector<const char *> device_layers_; |
| 109 | std::vector<const char *> device_extensions_; |
| 110 | |
| 111 | private: |
| 112 | bool debug_report_callback(VkDebugReportFlagsEXT flags, |
| 113 | VkDebugReportObjectTypeEXT obj_type, |
| 114 | uint64_t object, |
| 115 | size_t location, |
| 116 | int32_t msg_code, |
| 117 | const char *layer_prefix, |
| 118 | const char *msg); |
| 119 | static VKAPI_ATTR VkBool32 VKAPI_CALL debug_report_callback( |
| 120 | VkDebugReportFlagsEXT flags, |
| 121 | VkDebugReportObjectTypeEXT obj_type, |
| 122 | uint64_t object, |
| 123 | size_t location, |
| 124 | int32_t msg_code, |
| 125 | const char *layer_prefix, |
| 126 | const char *msg, |
| 127 | void *user_data) |
| 128 | { |
| 129 | Shell *shell = reinterpret_cast<Shell *>(user_data); |
| 130 | return shell->debug_report_callback(flags, obj_type, object, location, msg_code, layer_prefix, msg); |
| 131 | } |
| 132 | |
| 133 | void assert_all_instance_layers() const; |
| 134 | void assert_all_instance_extensions() const; |
| 135 | |
| 136 | bool has_all_device_layers(VkPhysicalDevice phy) const; |
| 137 | bool has_all_device_extensions(VkPhysicalDevice phy) const; |
| 138 | |
| 139 | // called by init_vk |
| 140 | virtual PFN_vkGetInstanceProcAddr load_vk() = 0; |
| 141 | virtual bool can_present(VkPhysicalDevice phy, uint32_t queue_family) = 0; |
| 142 | void init_instance(); |
| 143 | void init_debug_report(); |
| 144 | void init_physical_dev(); |
| 145 | |
| 146 | // called by create_context |
| 147 | void create_dev(); |
| 148 | void create_back_buffers(); |
| 149 | void destroy_back_buffers(); |
| 150 | virtual VkSurfaceKHR create_surface(VkInstance instance) = 0; |
| 151 | void create_swapchain(); |
| 152 | void destroy_swapchain(); |
| 153 | |
| 154 | void fake_present(); |
| 155 | |
| 156 | Context ctx_; |
| 157 | |
| 158 | const float game_tick_; |
| 159 | float game_time_; |
| 160 | }; |
| 161 | |
| 162 | #endif // SHELL_H |