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 SHELL_H |
| 18 | #define SHELL_H |
| 19 | |
| 20 | #include <queue> |
| 21 | #include <vector> |
| 22 | #include <stdexcept> |
| 23 | #include <vulkan/vulkan.h> |
| 24 | |
| 25 | #include "Game.h" |
| 26 | |
| 27 | class Game; |
| 28 | |
| 29 | class Shell { |
| 30 | public: |
| 31 | Shell(const Shell &sh) = delete; |
| 32 | Shell &operator=(const Shell &sh) = delete; |
| 33 | virtual ~Shell() {} |
| 34 | |
| 35 | struct BackBuffer { |
| 36 | uint32_t image_index; |
| 37 | |
| 38 | VkSemaphore acquire_semaphore; |
| 39 | VkSemaphore render_semaphore; |
| 40 | |
| 41 | // signaled when this struct is ready for reuse |
| 42 | VkFence present_fence; |
| 43 | }; |
| 44 | |
| 45 | struct Context { |
| 46 | VkInstance instance; |
| 47 | VkDebugReportCallbackEXT debug_report; |
| 48 | |
| 49 | VkPhysicalDevice physical_dev; |
| 50 | uint32_t game_queue_family; |
| 51 | uint32_t present_queue_family; |
| 52 | |
| 53 | VkDevice dev; |
| 54 | VkQueue game_queue; |
| 55 | VkQueue present_queue; |
| 56 | |
| 57 | std::queue<BackBuffer> back_buffers; |
| 58 | |
| 59 | VkSurfaceKHR surface; |
| 60 | VkSurfaceFormatKHR format; |
| 61 | |
| 62 | VkSwapchainKHR swapchain; |
| 63 | VkExtent2D extent; |
| 64 | |
| 65 | BackBuffer acquired_back_buffer; |
| 66 | }; |
| 67 | const Context &context() const { return ctx_; } |
| 68 | |
| 69 | enum LogPriority { |
| 70 | LOG_DEBUG, |
| 71 | LOG_INFO, |
| 72 | LOG_WARN, |
| 73 | LOG_ERR, |
| 74 | }; |
| 75 | virtual void log(LogPriority priority, const char *msg); |
| 76 | |
| 77 | virtual void run() = 0; |
| 78 | virtual void quit() = 0; |
| 79 | |
| 80 | protected: |
| 81 | Shell(Game &game); |
| 82 | |
| 83 | void init_vk(); |
| 84 | void cleanup_vk(); |
| 85 | |
| 86 | void create_context(); |
| 87 | void destroy_context(); |
| 88 | |
| 89 | void resize_swapchain(uint32_t width_hint, uint32_t height_hint); |
| 90 | |
| 91 | void add_game_time(float time); |
| 92 | |
| 93 | void acquire_back_buffer(); |
| 94 | void present_back_buffer(); |
| 95 | |
| 96 | Game &game_; |
| 97 | const Game::Settings &settings_; |
| 98 | |
| 99 | std::vector<const char *> instance_layers_; |
| 100 | std::vector<const char *> instance_extensions_; |
| 101 | |
| 102 | std::vector<const char *> device_layers_; |
| 103 | std::vector<const char *> device_extensions_; |
| 104 | |
| 105 | private: |
| 106 | bool debug_report_callback(VkDebugReportFlagsEXT flags, |
| 107 | VkDebugReportObjectTypeEXT obj_type, |
| 108 | uint64_t object, |
| 109 | size_t location, |
| 110 | int32_t msg_code, |
| 111 | const char *layer_prefix, |
| 112 | const char *msg); |
| 113 | static VKAPI_ATTR VkBool32 VKAPI_CALL debug_report_callback( |
| 114 | VkDebugReportFlagsEXT flags, |
| 115 | VkDebugReportObjectTypeEXT obj_type, |
| 116 | uint64_t object, |
| 117 | size_t location, |
| 118 | int32_t msg_code, |
| 119 | const char *layer_prefix, |
| 120 | const char *msg, |
| 121 | void *user_data) |
| 122 | { |
| 123 | Shell *shell = reinterpret_cast<Shell *>(user_data); |
| 124 | return shell->debug_report_callback(flags, obj_type, object, location, msg_code, layer_prefix, msg); |
| 125 | } |
| 126 | |
| 127 | void assert_all_instance_layers() const; |
| 128 | void assert_all_instance_extensions() const; |
| 129 | |
| 130 | bool has_all_device_layers(VkPhysicalDevice phy) const; |
| 131 | bool has_all_device_extensions(VkPhysicalDevice phy) const; |
| 132 | |
| 133 | // called by init_vk |
| 134 | virtual PFN_vkGetInstanceProcAddr load_vk() = 0; |
| 135 | virtual bool can_present(VkPhysicalDevice phy, uint32_t queue_family) = 0; |
| 136 | void init_instance(); |
| 137 | void init_debug_report(); |
| 138 | void init_physical_dev(); |
| 139 | |
| 140 | // called by create_context |
| 141 | void create_dev(); |
| 142 | void create_back_buffers(); |
| 143 | void destroy_back_buffers(); |
| 144 | virtual VkSurfaceKHR create_surface(VkInstance instance) = 0; |
| 145 | void create_swapchain(); |
| 146 | void destroy_swapchain(); |
| 147 | |
| 148 | void fake_present(); |
| 149 | |
| 150 | Context ctx_; |
| 151 | |
| 152 | const float game_tick_; |
| 153 | float game_time_; |
| 154 | }; |
| 155 | |
| 156 | #endif // SHELL_H |