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Diffstat (limited to 'drivers/vulkan/vulkan_context.h')
| -rw-r--r-- | drivers/vulkan/vulkan_context.h | 212 |
1 files changed, 212 insertions, 0 deletions
diff --git a/drivers/vulkan/vulkan_context.h b/drivers/vulkan/vulkan_context.h new file mode 100644 index 0000000000..458cb6d793 --- /dev/null +++ b/drivers/vulkan/vulkan_context.h @@ -0,0 +1,212 @@ +/*************************************************************************/ +/* 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_list.h" +#include "core/map.h" +#include "core/ustring.h" +#include <vulkan/vulkan.h> + +class VulkanContext { + + enum { + MAX_EXTENSIONS = 128, + MAX_LAYERS = 64, + FRAME_LAG = 2 + }; + + bool use_validation_layers; + + VkInstance inst; + VkSurfaceKHR surface; + VkPhysicalDevice gpu; + VkPhysicalDeviceProperties gpu_props; + uint32_t queue_family_count; + VkQueueFamilyProperties *queue_props; + VkDevice device; + + //present + bool queues_initialized; + 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 { + + bool is_minimzed; + VkSurfaceKHR surface; + VkSwapchainKHR swapchain; + SwapchainImageResources *swapchain_image_resources; + VkPresentModeKHR presentMode; + uint32_t current_buffer; + int width; + int height; + VkCommandPool present_cmd_pool; //for separate present queue + + VkRenderPass render_pass; + + Window() { + width = 0; + height = 0; + render_pass = VK_NULL_HANDLE; + current_buffer = 0; + surface = VK_NULL_HANDLE; + swapchain_image_resources = VK_NULL_HANDLE; + swapchain = VK_NULL_HANDLE; + is_minimzed = false; + presentMode = VK_PRESENT_MODE_FIFO_KHR; + } + }; + + Map<int, Window> windows; + int last_window_id; + uint32_t swapchainImageCount; + + //commands + + bool prepared; + + //extensions + bool VK_KHR_incremental_present_enabled; + bool VK_GOOGLE_display_timing_enabled; + const char **instance_validation_layers; + uint32_t enabled_extension_count; + uint32_t enabled_layer_count; + const char *extension_names[MAX_EXTENSIONS]; + 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(); + + Vector<VkCommandBuffer> command_buffer_queue; + int command_buffer_count; + +protected: + virtual const char *_get_platform_surface_extension() const = 0; + // virtual VkResult _create_surface(VkSurfaceKHR *surface, VkInstance p_instance) = 0; + + virtual int _window_create(VkSurfaceKHR p_surface, int p_width, int p_height); + + VkInstance _get_instance() { + return inst; + } + + bool buffers_prepared; + +public: + VkDevice get_device(); + VkPhysicalDevice get_physical_device(); + int get_swapchain_image_count() const; + uint32_t get_graphics_queue() const; + + void window_resize(int p_window_id, int p_width, int p_height); + int window_get_width(int p_window = 0); + int window_get_height(int p_window = 0); + void window_destroy(int p_window_id); + VkFramebuffer window_get_framebuffer(int p_window = 0); + VkRenderPass window_get_render_pass(int p_window = 0); + + 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 |