| /* |
| * Copyright (C) 2016 Google, Inc. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef SHELL_H |
| #define SHELL_H |
| |
| #include <queue> |
| #include <vector> |
| #include <stdexcept> |
| #include <vulkan/vulkan.h> |
| |
| #include "Game.h" |
| |
| class Game; |
| |
| class Shell { |
| public: |
| Shell(const Shell &sh) = delete; |
| Shell &operator=(const Shell &sh) = delete; |
| virtual ~Shell() {} |
| |
| struct BackBuffer { |
| uint32_t image_index; |
| |
| VkSemaphore acquire_semaphore; |
| VkSemaphore render_semaphore; |
| |
| // signaled when this struct is ready for reuse |
| VkFence present_fence; |
| }; |
| |
| struct Context { |
| VkInstance instance; |
| VkDebugReportCallbackEXT debug_report; |
| |
| VkPhysicalDevice physical_dev; |
| uint32_t game_queue_family; |
| uint32_t present_queue_family; |
| |
| VkDevice dev; |
| VkQueue game_queue; |
| VkQueue present_queue; |
| |
| std::queue<BackBuffer> back_buffers; |
| |
| VkSurfaceKHR surface; |
| VkSurfaceFormatKHR format; |
| |
| VkSwapchainKHR swapchain; |
| VkExtent2D extent; |
| |
| BackBuffer acquired_back_buffer; |
| }; |
| const Context &context() const { return ctx_; } |
| |
| enum LogPriority { |
| LOG_DEBUG, |
| LOG_INFO, |
| LOG_WARN, |
| LOG_ERR, |
| }; |
| virtual void log(LogPriority priority, const char *msg); |
| |
| virtual void run() = 0; |
| virtual void quit() = 0; |
| |
| protected: |
| Shell(Game &game); |
| |
| void init_vk(); |
| void cleanup_vk(); |
| |
| void create_context(); |
| void destroy_context(); |
| |
| void resize_swapchain(uint32_t width_hint, uint32_t height_hint); |
| |
| void add_game_time(float time); |
| |
| void acquire_back_buffer(); |
| void present_back_buffer(); |
| |
| Game &game_; |
| const Game::Settings &settings_; |
| |
| std::vector<const char *> instance_layers_; |
| std::vector<const char *> instance_extensions_; |
| |
| std::vector<const char *> device_extensions_; |
| |
| private: |
| bool debug_report_callback(VkDebugReportFlagsEXT flags, VkDebugReportObjectTypeEXT obj_type, uint64_t object, size_t location, |
| int32_t msg_code, const char *layer_prefix, const char *msg); |
| static VKAPI_ATTR VkBool32 VKAPI_CALL debug_report_callback(VkDebugReportFlagsEXT flags, VkDebugReportObjectTypeEXT obj_type, |
| uint64_t object, size_t location, int32_t msg_code, |
| const char *layer_prefix, const char *msg, void *user_data) { |
| Shell *shell = reinterpret_cast<Shell *>(user_data); |
| return shell->debug_report_callback(flags, obj_type, object, location, msg_code, layer_prefix, msg); |
| } |
| |
| void assert_all_instance_layers() const; |
| void assert_all_instance_extensions() const; |
| |
| bool has_all_device_layers(VkPhysicalDevice phy) const; |
| bool has_all_device_extensions(VkPhysicalDevice phy) const; |
| |
| // called by init_vk |
| virtual PFN_vkGetInstanceProcAddr load_vk() = 0; |
| virtual bool can_present(VkPhysicalDevice phy, uint32_t queue_family) = 0; |
| void init_instance(); |
| void init_debug_report(); |
| void init_physical_dev(); |
| |
| // called by create_context |
| void create_dev(); |
| void create_back_buffers(); |
| void destroy_back_buffers(); |
| virtual VkSurfaceKHR create_surface(VkInstance instance) = 0; |
| void create_swapchain(); |
| void destroy_swapchain(); |
| |
| void fake_present(); |
| |
| Context ctx_; |
| |
| const float game_tick_; |
| float game_time_; |
| }; |
| |
| #endif // SHELL_H |