godot/drivers/vulkan/vulkan_context.h
2020-02-11 11:53:27 +01:00

180 lines
5.2 KiB
C++

#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;
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();
};
#endif // VULKAN_DEVICE_H