257 lines
9.6 KiB
C++
257 lines
9.6 KiB
C++
/*************************************************************************/
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/* vulkan_context.h */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#ifndef VULKAN_CONTEXT_H
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#define VULKAN_CONTEXT_H
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#include "core/error/error_list.h"
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#include "core/os/mutex.h"
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#include "core/string/ustring.h"
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#include "core/templates/map.h"
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#include "core/templates/rid_owner.h"
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#include "servers/display_server.h"
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#include <vulkan/vulkan.h>
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class VulkanContext {
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public:
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struct SubgroupCapabilities {
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uint32_t size;
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VkShaderStageFlags supportedStages;
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VkSubgroupFeatureFlags supportedOperations;
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VkBool32 quadOperationsInAllStages;
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uint32_t supported_stages_flags_rd() const;
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String supported_stages_desc() const;
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uint32_t supported_operations_flags_rd() const;
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String supported_operations_desc() const;
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};
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private:
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enum {
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MAX_EXTENSIONS = 128,
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MAX_LAYERS = 64,
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FRAME_LAG = 2
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};
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VkInstance inst = VK_NULL_HANDLE;
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VkSurfaceKHR surface = VK_NULL_HANDLE;
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VkPhysicalDevice gpu = VK_NULL_HANDLE;
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VkPhysicalDeviceProperties gpu_props;
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uint32_t queue_family_count = 0;
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VkQueueFamilyProperties *queue_props = nullptr;
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VkDevice device = VK_NULL_HANDLE;
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bool device_initialized = false;
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bool inst_initialized = false;
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// Vulkan 1.0 doesn't return version info so we assume this by default until we know otherwise
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uint32_t vulkan_major = 1;
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uint32_t vulkan_minor = 0;
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SubgroupCapabilities subgroup_capabilities;
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String device_vendor;
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String device_name;
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String pipeline_cache_id;
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uint32_t device_api_version = 0;
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bool buffers_prepared = false;
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// Present queue.
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bool queues_initialized = false;
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uint32_t graphics_queue_family_index = 0;
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uint32_t present_queue_family_index = 0;
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bool separate_present_queue = false;
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VkQueue graphics_queue = VK_NULL_HANDLE;
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VkQueue present_queue = VK_NULL_HANDLE;
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VkColorSpaceKHR color_space;
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VkFormat format;
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VkSemaphore image_acquired_semaphores[FRAME_LAG];
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VkSemaphore draw_complete_semaphores[FRAME_LAG];
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VkSemaphore image_ownership_semaphores[FRAME_LAG];
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int frame_index = 0;
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VkFence fences[FRAME_LAG];
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VkPhysicalDeviceMemoryProperties memory_properties;
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VkPhysicalDeviceFeatures physical_device_features;
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typedef struct {
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VkImage image;
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VkCommandBuffer graphics_to_present_cmd;
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VkImageView view;
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VkFramebuffer framebuffer;
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} SwapchainImageResources;
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struct Window {
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VkSurfaceKHR surface = VK_NULL_HANDLE;
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VkSwapchainKHR swapchain = VK_NULL_HANDLE;
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SwapchainImageResources *swapchain_image_resources = VK_NULL_HANDLE;
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VkPresentModeKHR presentMode = VK_PRESENT_MODE_FIFO_KHR;
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uint32_t current_buffer = 0;
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int width = 0;
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int height = 0;
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VkCommandPool present_cmd_pool = VK_NULL_HANDLE; // For separate present queue.
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VkRenderPass render_pass = VK_NULL_HANDLE;
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};
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struct LocalDevice {
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bool waiting = false;
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VkDevice device = VK_NULL_HANDLE;
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VkQueue queue = VK_NULL_HANDLE;
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};
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RID_Owner<LocalDevice, true> local_device_owner;
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Map<DisplayServer::WindowID, Window> windows;
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uint32_t swapchainImageCount = 0;
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// Commands.
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bool prepared = false;
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Vector<VkCommandBuffer> command_buffer_queue;
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int command_buffer_count = 1;
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// Extensions.
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bool VK_KHR_incremental_present_enabled = true;
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bool VK_GOOGLE_display_timing_enabled = true;
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uint32_t enabled_extension_count = 0;
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const char *extension_names[MAX_EXTENSIONS];
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bool enabled_debug_utils = false;
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uint32_t enabled_layer_count = 0;
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const char *enabled_layers[MAX_LAYERS];
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PFN_vkCreateDebugUtilsMessengerEXT CreateDebugUtilsMessengerEXT;
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PFN_vkDestroyDebugUtilsMessengerEXT DestroyDebugUtilsMessengerEXT;
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PFN_vkSubmitDebugUtilsMessageEXT SubmitDebugUtilsMessageEXT;
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PFN_vkCmdBeginDebugUtilsLabelEXT CmdBeginDebugUtilsLabelEXT;
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PFN_vkCmdEndDebugUtilsLabelEXT CmdEndDebugUtilsLabelEXT;
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PFN_vkCmdInsertDebugUtilsLabelEXT CmdInsertDebugUtilsLabelEXT;
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PFN_vkSetDebugUtilsObjectNameEXT SetDebugUtilsObjectNameEXT;
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PFN_vkGetPhysicalDeviceSurfaceSupportKHR fpGetPhysicalDeviceSurfaceSupportKHR;
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PFN_vkGetPhysicalDeviceSurfaceCapabilitiesKHR fpGetPhysicalDeviceSurfaceCapabilitiesKHR;
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PFN_vkGetPhysicalDeviceSurfaceFormatsKHR fpGetPhysicalDeviceSurfaceFormatsKHR;
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PFN_vkGetPhysicalDeviceSurfacePresentModesKHR fpGetPhysicalDeviceSurfacePresentModesKHR;
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PFN_vkCreateSwapchainKHR fpCreateSwapchainKHR;
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PFN_vkDestroySwapchainKHR fpDestroySwapchainKHR;
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PFN_vkGetSwapchainImagesKHR fpGetSwapchainImagesKHR;
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PFN_vkAcquireNextImageKHR fpAcquireNextImageKHR;
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PFN_vkQueuePresentKHR fpQueuePresentKHR;
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PFN_vkGetRefreshCycleDurationGOOGLE fpGetRefreshCycleDurationGOOGLE;
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PFN_vkGetPastPresentationTimingGOOGLE fpGetPastPresentationTimingGOOGLE;
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VkDebugUtilsMessengerEXT dbg_messenger = VK_NULL_HANDLE;
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Error _obtain_vulkan_version();
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Error _create_validation_layers();
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Error _initialize_extensions();
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Error _check_capabilities();
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VkBool32 _check_layers(uint32_t check_count, const char **check_names, uint32_t layer_count, VkLayerProperties *layers);
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static VKAPI_ATTR VkBool32 VKAPI_CALL _debug_messenger_callback(
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VkDebugUtilsMessageSeverityFlagBitsEXT messageSeverity,
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VkDebugUtilsMessageTypeFlagsEXT messageType,
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const VkDebugUtilsMessengerCallbackDataEXT *pCallbackData,
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void *pUserData);
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Error _create_physical_device();
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Error _initialize_queues(VkSurfaceKHR surface);
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Error _create_device();
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Error _clean_up_swap_chain(Window *window);
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Error _update_swap_chain(Window *window);
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Error _create_swap_chain();
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Error _create_semaphores();
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protected:
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virtual const char *_get_platform_surface_extension() const = 0;
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// Enabled via command line argument.
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bool use_validation_layers = false;
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virtual Error _window_create(DisplayServer::WindowID p_window_id, VkSurfaceKHR p_surface, int p_width, int p_height);
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VkInstance _get_instance() {
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return inst;
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}
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public:
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uint32_t get_vulkan_major() const { return vulkan_major; };
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uint32_t get_vulkan_minor() const { return vulkan_minor; };
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SubgroupCapabilities get_subgroup_capabilities() const { return subgroup_capabilities; };
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VkDevice get_device();
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VkPhysicalDevice get_physical_device();
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int get_swapchain_image_count() const;
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uint32_t get_graphics_queue() const;
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void window_resize(DisplayServer::WindowID p_window_id, int p_width, int p_height);
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int window_get_width(DisplayServer::WindowID p_window = 0);
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int window_get_height(DisplayServer::WindowID p_window = 0);
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void window_destroy(DisplayServer::WindowID p_window_id);
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VkFramebuffer window_get_framebuffer(DisplayServer::WindowID p_window = 0);
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VkRenderPass window_get_render_pass(DisplayServer::WindowID p_window = 0);
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RID local_device_create();
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VkDevice local_device_get_vk_device(RID p_local_device);
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void local_device_push_command_buffers(RID p_local_device, const VkCommandBuffer *p_buffers, int p_count);
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void local_device_sync(RID p_local_device);
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void local_device_free(RID p_local_device);
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VkFormat get_screen_format() const;
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VkPhysicalDeviceLimits get_device_limits() const;
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void set_setup_buffer(const VkCommandBuffer &pCommandBuffer);
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void append_command_buffer(const VkCommandBuffer &pCommandBuffer);
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void resize_notify();
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void flush(bool p_flush_setup = false, bool p_flush_pending = false);
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Error prepare_buffers();
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Error swap_buffers();
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Error initialize();
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void command_begin_label(VkCommandBuffer p_command_buffer, String p_label_name, const Color p_color);
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void command_insert_label(VkCommandBuffer p_command_buffer, String p_label_name, const Color p_color);
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void command_end_label(VkCommandBuffer p_command_buffer);
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void set_object_name(VkObjectType p_object_type, uint64_t p_object_handle, String p_object_name);
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String get_device_vendor_name() const;
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String get_device_name() const;
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String get_device_pipeline_cache_uuid() const;
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VulkanContext();
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virtual ~VulkanContext();
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};
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#endif // VULKAN_DEVICE_H
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