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/*************************************************************************/
/* 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/os/mutex.h"
#include "core/rid_owner.h"
#include "core/ustring.h"
#include "servers/display_server.h"
#include <vulkan/vulkan.h>
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<LocalDevice, true> local_device_owner;
Map<DisplayServer::WindowID, Window> windows;
uint32_t swapchainImageCount = 0;
// Commands.
bool prepared;
Vector<VkCommandBuffer> 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
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