/*************************************************************************/ /* vulkan_context.h */ /*************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ /* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */ /* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */ /* */ /* 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 VULKAN_CONTEXT_H #define VULKAN_CONTEXT_H #include "core/error/error_list.h" #include "core/os/mutex.h" #include "core/string/ustring.h" #include "core/templates/map.h" #include "core/templates/rid_owner.h" #include "servers/display_server.h" #include class VulkanContext { enum { MAX_EXTENSIONS = 128, MAX_LAYERS = 64, FRAME_LAG = 2 }; VkInstance inst; VkSurfaceKHR surface; VkPhysicalDevice gpu; VkPhysicalDeviceProperties gpu_props; uint32_t queue_family_count; VkQueueFamilyProperties *queue_props = nullptr; VkDevice device; bool device_initialized = false; bool inst_initialized = false; bool buffers_prepared = false; // Present queue. bool queues_initialized = false; uint32_t graphics_queue_family_index; uint32_t present_queue_family_index; bool separate_present_queue; VkQueue graphics_queue; VkQueue present_queue; VkColorSpaceKHR color_space; VkFormat format; VkSemaphore image_acquired_semaphores[FRAME_LAG]; VkSemaphore draw_complete_semaphores[FRAME_LAG]; VkSemaphore image_ownership_semaphores[FRAME_LAG]; int frame_index; VkFence fences[FRAME_LAG]; VkPhysicalDeviceMemoryProperties memory_properties; VkPhysicalDeviceFeatures physical_device_features; typedef struct { VkImage image; VkCommandBuffer graphics_to_present_cmd; VkImageView view; VkFramebuffer framebuffer; } SwapchainImageResources; struct Window { VkSurfaceKHR surface = VK_NULL_HANDLE; VkSwapchainKHR swapchain = VK_NULL_HANDLE; SwapchainImageResources *swapchain_image_resources = VK_NULL_HANDLE; VkPresentModeKHR presentMode = VK_PRESENT_MODE_FIFO_KHR; uint32_t current_buffer = 0; int width = 0; int height = 0; VkCommandPool present_cmd_pool; // For separate present queue. VkRenderPass render_pass = VK_NULL_HANDLE; }; struct LocalDevice { bool waiting = false; VkDevice device; VkQueue queue; }; RID_Owner local_device_owner; Map windows; uint32_t swapchainImageCount = 0; // Commands. bool prepared; Vector command_buffer_queue; int command_buffer_count = 1; // Extensions. bool VK_KHR_incremental_present_enabled = true; bool VK_GOOGLE_display_timing_enabled = true; uint32_t enabled_extension_count = 0; const char *extension_names[MAX_EXTENSIONS]; const char **instance_validation_layers = nullptr; uint32_t enabled_layer_count = 0; const char *enabled_layers[MAX_LAYERS]; PFN_vkCreateDebugUtilsMessengerEXT CreateDebugUtilsMessengerEXT; PFN_vkDestroyDebugUtilsMessengerEXT DestroyDebugUtilsMessengerEXT; PFN_vkSubmitDebugUtilsMessageEXT SubmitDebugUtilsMessageEXT; PFN_vkCmdBeginDebugUtilsLabelEXT CmdBeginDebugUtilsLabelEXT; PFN_vkCmdEndDebugUtilsLabelEXT CmdEndDebugUtilsLabelEXT; PFN_vkCmdInsertDebugUtilsLabelEXT CmdInsertDebugUtilsLabelEXT; PFN_vkSetDebugUtilsObjectNameEXT SetDebugUtilsObjectNameEXT; PFN_vkGetPhysicalDeviceSurfaceSupportKHR fpGetPhysicalDeviceSurfaceSupportKHR; PFN_vkGetPhysicalDeviceSurfaceCapabilitiesKHR fpGetPhysicalDeviceSurfaceCapabilitiesKHR; PFN_vkGetPhysicalDeviceSurfaceFormatsKHR fpGetPhysicalDeviceSurfaceFormatsKHR; PFN_vkGetPhysicalDeviceSurfacePresentModesKHR fpGetPhysicalDeviceSurfacePresentModesKHR; PFN_vkCreateSwapchainKHR fpCreateSwapchainKHR; PFN_vkDestroySwapchainKHR fpDestroySwapchainKHR; PFN_vkGetSwapchainImagesKHR fpGetSwapchainImagesKHR; PFN_vkAcquireNextImageKHR fpAcquireNextImageKHR; PFN_vkQueuePresentKHR fpQueuePresentKHR; PFN_vkGetRefreshCycleDurationGOOGLE fpGetRefreshCycleDurationGOOGLE; PFN_vkGetPastPresentationTimingGOOGLE fpGetPastPresentationTimingGOOGLE; VkDebugUtilsMessengerEXT dbg_messenger; Error _create_validation_layers(); Error _initialize_extensions(); VkBool32 _check_layers(uint32_t check_count, const char **check_names, uint32_t layer_count, VkLayerProperties *layers); static VKAPI_ATTR VkBool32 VKAPI_CALL _debug_messenger_callback( VkDebugUtilsMessageSeverityFlagBitsEXT messageSeverity, VkDebugUtilsMessageTypeFlagsEXT messageType, const VkDebugUtilsMessengerCallbackDataEXT *pCallbackData, void *pUserData); Error _create_physical_device(); Error _initialize_queues(VkSurfaceKHR surface); Error _create_device(); Error _clean_up_swap_chain(Window *window); Error _update_swap_chain(Window *window); Error _create_swap_chain(); Error _create_semaphores(); protected: virtual const char *_get_platform_surface_extension() const = 0; // Enabled via command line argument. bool use_validation_layers = false; virtual Error _window_create(DisplayServer::WindowID p_window_id, VkSurfaceKHR p_surface, int p_width, int p_height); VkInstance _get_instance() { return inst; } public: VkDevice get_device(); VkPhysicalDevice get_physical_device(); int get_swapchain_image_count() const; uint32_t get_graphics_queue() const; void window_resize(DisplayServer::WindowID p_window_id, int p_width, int p_height); int window_get_width(DisplayServer::WindowID p_window = 0); int window_get_height(DisplayServer::WindowID p_window = 0); void window_destroy(DisplayServer::WindowID p_window_id); VkFramebuffer window_get_framebuffer(DisplayServer::WindowID p_window = 0); VkRenderPass window_get_render_pass(DisplayServer::WindowID p_window = 0); RID local_device_create(); VkDevice local_device_get_vk_device(RID p_local_device); void local_device_push_command_buffers(RID p_local_device, const VkCommandBuffer *p_buffers, int p_count); void local_device_sync(RID p_local_device); void local_device_free(RID p_local_device); VkFormat get_screen_format() const; VkPhysicalDeviceLimits get_device_limits() const; void set_setup_buffer(const VkCommandBuffer &pCommandBuffer); void append_command_buffer(const VkCommandBuffer &pCommandBuffer); void resize_notify(); void flush(bool p_flush_setup = false, bool p_flush_pending = false); Error prepare_buffers(); Error swap_buffers(); Error initialize(); VulkanContext(); virtual ~VulkanContext(); }; #endif // VULKAN_DEVICE_H