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godot/drivers/vulkan/vulkan_context.h

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/*************************************************************************/
/* vulkan_context.h */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2022 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/rb_map.h"
#include "core/templates/rid_owner.h"
#include "servers/display_server.h"
#include "servers/rendering/rendering_device.h"
#ifdef USE_VOLK
#include <volk.h>
#else
#include <vulkan/vulkan.h>
#endif
#include "vulkan_hooks.h"
class VulkanContext {
public:
struct SubgroupCapabilities {
uint32_t size;
VkShaderStageFlags supportedStages;
VkSubgroupFeatureFlags supportedOperations;
VkBool32 quadOperationsInAllStages;
uint32_t supported_stages_flags_rd() const;
String supported_stages_desc() const;
uint32_t supported_operations_flags_rd() const;
String supported_operations_desc() const;
};
struct MultiviewCapabilities {
bool is_supported;
bool geometry_shader_is_supported;
bool tessellation_shader_is_supported;
uint32_t max_view_count;
uint32_t max_instance_count;
};
struct VRSCapabilities {
bool pipeline_vrs_supported; // We can specify our fragment rate on a pipeline level.
bool primitive_vrs_supported; // We can specify our fragment rate on each drawcall.
bool attachment_vrs_supported; // We can provide a density map attachment on our framebuffer.
Size2i min_texel_size;
Size2i max_texel_size;
Size2i texel_size; // The texel size we'll use
};
struct ShaderCapabilities {
bool shader_float16_is_supported;
bool shader_int8_is_supported;
};
struct StorageBufferCapabilities {
bool storage_buffer_16_bit_access_is_supported;
bool uniform_and_storage_buffer_16_bit_access_is_supported;
bool storage_push_constant_16_is_supported;
bool storage_input_output_16;
};
private:
enum {
MAX_EXTENSIONS = 128,
MAX_LAYERS = 64,
FRAME_LAG = 2
};
static VulkanHooks *vulkan_hooks;
VkInstance inst = VK_NULL_HANDLE;
VkPhysicalDevice gpu = VK_NULL_HANDLE;
VkPhysicalDeviceProperties gpu_props;
uint32_t queue_family_count = 0;
VkQueueFamilyProperties *queue_props = nullptr;
VkDevice device = VK_NULL_HANDLE;
bool device_initialized = false;
bool inst_initialized = false;
// Vulkan 1.0 doesn't return version info so we assume this by default until we know otherwise.
uint32_t vulkan_major = 1;
uint32_t vulkan_minor = 0;
uint32_t vulkan_patch = 0;
SubgroupCapabilities subgroup_capabilities;
MultiviewCapabilities multiview_capabilities;
VRSCapabilities vrs_capabilities;
ShaderCapabilities shader_capabilities;
StorageBufferCapabilities storage_buffer_capabilities;
String device_vendor;
String device_name;
VkPhysicalDeviceType device_type;
String pipeline_cache_id;
uint32_t device_api_version = 0;
bool buffers_prepared = false;
// Present queue.
bool queues_initialized = false;
uint32_t graphics_queue_family_index = UINT32_MAX;
uint32_t present_queue_family_index = UINT32_MAX;
bool separate_present_queue = false;
VkQueue graphics_queue = VK_NULL_HANDLE;
VkQueue present_queue = VK_NULL_HANDLE;
VkColorSpaceKHR color_space;
VkFormat format;
VkSemaphore draw_complete_semaphores[FRAME_LAG];
VkSemaphore image_ownership_semaphores[FRAME_LAG];
int frame_index = 0;
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;
VkSemaphore image_acquired_semaphores[FRAME_LAG];
bool semaphore_acquired = false;
uint32_t current_buffer = 0;
int width = 0;
int height = 0;
DisplayServer::VSyncMode vsync_mode = DisplayServer::VSYNC_ENABLED;
VkCommandPool present_cmd_pool = VK_NULL_HANDLE; // For separate present queue.
VkRenderPass render_pass = VK_NULL_HANDLE;
};
struct LocalDevice {
bool waiting = false;
VkDevice device = VK_NULL_HANDLE;
VkQueue queue = VK_NULL_HANDLE;
};
RID_Owner<LocalDevice, true> local_device_owner;
HashMap<DisplayServer::WindowID, Window> windows;
uint32_t swapchainImageCount = 0;
// Commands.
bool prepared = false;
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];
bool enabled_debug_utils = false;
bool has_renderpass2_ext = false;
/**
* True if VK_EXT_debug_report extension is used. VK_EXT_debug_report is deprecated but it is
* still used if VK_EXT_debug_utils is not available.
*/
bool enabled_debug_report = false;
PFN_vkCreateDebugUtilsMessengerEXT CreateDebugUtilsMessengerEXT = nullptr;
PFN_vkDestroyDebugUtilsMessengerEXT DestroyDebugUtilsMessengerEXT = nullptr;
PFN_vkSubmitDebugUtilsMessageEXT SubmitDebugUtilsMessageEXT = nullptr;
PFN_vkCmdBeginDebugUtilsLabelEXT CmdBeginDebugUtilsLabelEXT = nullptr;
PFN_vkCmdEndDebugUtilsLabelEXT CmdEndDebugUtilsLabelEXT = nullptr;
PFN_vkCmdInsertDebugUtilsLabelEXT CmdInsertDebugUtilsLabelEXT = nullptr;
PFN_vkSetDebugUtilsObjectNameEXT SetDebugUtilsObjectNameEXT = nullptr;
PFN_vkCreateDebugReportCallbackEXT CreateDebugReportCallbackEXT = nullptr;
PFN_vkDebugReportMessageEXT DebugReportMessageEXT = nullptr;
PFN_vkDestroyDebugReportCallbackEXT DestroyDebugReportCallbackEXT = nullptr;
PFN_vkGetPhysicalDeviceSurfaceSupportKHR fpGetPhysicalDeviceSurfaceSupportKHR = nullptr;
PFN_vkGetPhysicalDeviceSurfaceCapabilitiesKHR fpGetPhysicalDeviceSurfaceCapabilitiesKHR = nullptr;
PFN_vkGetPhysicalDeviceSurfaceFormatsKHR fpGetPhysicalDeviceSurfaceFormatsKHR = nullptr;
PFN_vkGetPhysicalDeviceSurfacePresentModesKHR fpGetPhysicalDeviceSurfacePresentModesKHR = nullptr;
PFN_vkCreateSwapchainKHR fpCreateSwapchainKHR = nullptr;
PFN_vkDestroySwapchainKHR fpDestroySwapchainKHR = nullptr;
PFN_vkGetSwapchainImagesKHR fpGetSwapchainImagesKHR = nullptr;
PFN_vkAcquireNextImageKHR fpAcquireNextImageKHR = nullptr;
PFN_vkQueuePresentKHR fpQueuePresentKHR = nullptr;
PFN_vkGetRefreshCycleDurationGOOGLE fpGetRefreshCycleDurationGOOGLE = nullptr;
PFN_vkGetPastPresentationTimingGOOGLE fpGetPastPresentationTimingGOOGLE = nullptr;
PFN_vkCreateRenderPass2KHR fpCreateRenderPass2KHR = nullptr;
VkDebugUtilsMessengerEXT dbg_messenger = VK_NULL_HANDLE;
VkDebugReportCallbackEXT dbg_debug_report = VK_NULL_HANDLE;
Error _obtain_vulkan_version();
Error _initialize_extensions();
Error _check_capabilities();
VkBool32 _check_layers(uint32_t check_count, const char *const *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);
static VKAPI_ATTR VkBool32 VKAPI_CALL _debug_report_callback(
VkDebugReportFlagsEXT flags,
VkDebugReportObjectTypeEXT objectType,
uint64_t object,
size_t location,
int32_t messageCode,
const char *pLayerPrefix,
const char *pMessage,
void *pUserData);
Error _create_instance();
Error _create_physical_device(VkSurfaceKHR p_surface);
Error _initialize_queues(VkSurfaceKHR p_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<VkAttachmentReference> _convert_VkAttachmentReference2(uint32_t p_count, const VkAttachmentReference2 *p_refs);
protected:
virtual const char *_get_platform_surface_extension() const = 0;
virtual Error _window_create(DisplayServer::WindowID p_window_id, DisplayServer::VSyncMode p_vsync_mode, VkSurfaceKHR p_surface, int p_width, int p_height);
virtual bool _use_validation_layers();
Error _get_preferred_validation_layers(uint32_t *count, const char *const **names);
virtual VkExtent2D _compute_swapchain_extent(const VkSurfaceCapabilitiesKHR &p_surf_capabilities, int *p_window_width, int *p_window_height) const;
public:
// Extension calls.
bool supports_renderpass2() const { return has_renderpass2_ext; }
VkResult vkCreateRenderPass2KHR(VkDevice p_device, const VkRenderPassCreateInfo2 *p_create_info, const VkAllocationCallbacks *p_allocator, VkRenderPass *p_render_pass);
uint32_t get_vulkan_major() const { return vulkan_major; };
uint32_t get_vulkan_minor() const { return vulkan_minor; };
const SubgroupCapabilities &get_subgroup_capabilities() const { return subgroup_capabilities; };
const MultiviewCapabilities &get_multiview_capabilities() const { return multiview_capabilities; };
const VRSCapabilities &get_vrs_capabilities() const { return vrs_capabilities; };
const ShaderCapabilities &get_shader_capabilities() const { return shader_capabilities; };
const StorageBufferCapabilities &get_storage_buffer_capabilities() const { return storage_buffer_capabilities; };
VkDevice get_device();
VkPhysicalDevice get_physical_device();
VkInstance get_instance() { return inst; }
int get_swapchain_image_count() const;
VkQueue get_graphics_queue() const;
uint32_t get_graphics_queue_family_index() const;
static void set_vulkan_hooks(VulkanHooks *p_vulkan_hooks) { vulkan_hooks = p_vulkan_hooks; };
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);
bool window_is_valid_swapchain(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(VkCommandBuffer p_command_buffer);
void append_command_buffer(VkCommandBuffer p_command_buffer);
void resize_notify();
void flush(bool p_flush_setup = false, bool p_flush_pending = false);
Error prepare_buffers();
Error swap_buffers();
Error initialize();
void command_begin_label(VkCommandBuffer p_command_buffer, String p_label_name, const Color p_color);
void command_insert_label(VkCommandBuffer p_command_buffer, String p_label_name, const Color p_color);
void command_end_label(VkCommandBuffer p_command_buffer);
void set_object_name(VkObjectType p_object_type, uint64_t p_object_handle, String p_object_name);
String get_device_vendor_name() const;
String get_device_name() const;
RenderingDevice::DeviceType get_device_type() const;
String get_device_api_version() const;
String get_device_pipeline_cache_uuid() const;
void set_vsync_mode(DisplayServer::WindowID p_window, DisplayServer::VSyncMode p_mode);
DisplayServer::VSyncMode get_vsync_mode(DisplayServer::WindowID p_window = 0) const;
VulkanContext();
virtual ~VulkanContext();
};
#endif // VULKAN_CONTEXT_H
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