d5445c25a6
This change implements dynamic loading of the OpenXR Loader library on Android. If an OpenXR Loader library is not found, Godot will still function with OpenXR disabled. Also, on every platform, the OpenXR symbols are resolved at runtime using xrGetInstanceProcAddr. On Windows and Linux the OpenXR loader is included in the main engine binary. On Android, the OpenXR Loader is not built with the engine. Separately distributed Android plugins will be provided with the correct loader library for each device. Co-authored-by: Gábor Pál Korom <gabor.p.korom@migeran.com> Co-authored-by: Gábor Koncz <gabor.koncz@migeran.com>
104 lines
5.8 KiB
C++
104 lines
5.8 KiB
C++
/*************************************************************************/
|
|
/* openxr_vulkan_extension.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 OPENXR_VULKAN_EXTENSION_H
|
|
#define OPENXR_VULKAN_EXTENSION_H
|
|
|
|
#include "core/templates/vector.h"
|
|
#include "openxr_extension_wrapper.h"
|
|
|
|
#include "drivers/vulkan/vulkan_context.h"
|
|
|
|
#include "../openxr_api.h"
|
|
#include "../util.h"
|
|
|
|
// need to include Vulkan so we know of type definitions
|
|
#define XR_USE_GRAPHICS_API_VULKAN
|
|
|
|
#ifdef WINDOWS_ENABLED
|
|
// Including windows.h here is absolutely evil, we shouldn't be doing this outside of platform
|
|
// however due to the way the openxr headers are put together, we have no choice.
|
|
#include <windows.h>
|
|
#endif
|
|
|
|
#ifdef ANDROID_ENABLED
|
|
// The jobject type from jni.h is used by openxr_platform.h on Android.
|
|
#include <jni.h>
|
|
#endif
|
|
|
|
// include platform dependent structs
|
|
#include <openxr/openxr_platform.h>
|
|
|
|
class OpenXRVulkanExtension : public OpenXRGraphicsExtensionWrapper, VulkanHooks {
|
|
public:
|
|
OpenXRVulkanExtension(OpenXRAPI *p_openxr_api);
|
|
virtual ~OpenXRVulkanExtension() override;
|
|
|
|
virtual void on_instance_created(const XrInstance p_instance) override;
|
|
virtual void *set_session_create_and_get_next_pointer(void *p_next_pointer) override;
|
|
|
|
virtual bool create_vulkan_instance(const VkInstanceCreateInfo *p_vulkan_create_info, VkInstance *r_instance) override;
|
|
virtual bool get_physical_device(VkPhysicalDevice *r_device) override;
|
|
virtual bool create_vulkan_device(const VkDeviceCreateInfo *p_device_create_info, VkDevice *r_device) override;
|
|
|
|
virtual void get_usable_swapchain_formats(Vector<int64_t> &p_usable_swap_chains) override;
|
|
virtual String get_swapchain_format_name(int64_t p_swapchain_format) const override;
|
|
virtual bool get_swapchain_image_data(XrSwapchain p_swapchain, int64_t p_swapchain_format, uint32_t p_width, uint32_t p_height, uint32_t p_sample_count, uint32_t p_array_size, void **r_swapchain_graphics_data) override;
|
|
virtual void cleanup_swapchain_graphics_data(void **p_swapchain_graphics_data) override;
|
|
virtual bool create_projection_fov(const XrFovf p_fov, double p_z_near, double p_z_far, Projection &r_camera_matrix) override;
|
|
virtual bool copy_render_target_to_image(RID p_from_render_target, void *p_swapchain_graphics_data, int p_image_index) override;
|
|
|
|
private:
|
|
static OpenXRVulkanExtension *singleton;
|
|
static XrGraphicsBindingVulkanKHR graphics_binding_vulkan; // declaring this as static so we don't need to know its size and we only need it once when creating our session
|
|
|
|
struct SwapchainGraphicsData {
|
|
bool is_multiview;
|
|
Vector<RID> image_rids;
|
|
Vector<RID> framebuffers;
|
|
};
|
|
|
|
bool check_graphics_api_support(XrVersion p_desired_version);
|
|
|
|
VkInstance vulkan_instance = nullptr;
|
|
VkPhysicalDevice vulkan_physical_device = nullptr;
|
|
VkDevice vulkan_device = nullptr;
|
|
uint32_t vulkan_queue_family_index = 0;
|
|
uint32_t vulkan_queue_index = 0;
|
|
|
|
EXT_PROTO_XRRESULT_FUNC3(xrGetVulkanGraphicsRequirements2KHR, (XrInstance), p_instance, (XrSystemId), p_system_id, (XrGraphicsRequirementsVulkanKHR *), p_graphics_requirements)
|
|
EXT_PROTO_XRRESULT_FUNC4(xrCreateVulkanInstanceKHR, (XrInstance), p_instance, (const XrVulkanInstanceCreateInfoKHR *), p_create_info, (VkInstance *), r_vulkan_instance, (VkResult *), r_vulkan_result)
|
|
EXT_PROTO_XRRESULT_FUNC3(xrGetVulkanGraphicsDevice2KHR, (XrInstance), p_instance, (const XrVulkanGraphicsDeviceGetInfoKHR *), p_get_info, (VkPhysicalDevice *), r_vulkan_physical_device)
|
|
EXT_PROTO_XRRESULT_FUNC4(xrCreateVulkanDeviceKHR, (XrInstance), p_instance, (const XrVulkanDeviceCreateInfoKHR *), p_create_info, (VkDevice *), r_device, (VkResult *), r_result)
|
|
EXT_PROTO_XRRESULT_FUNC4(xrEnumerateSwapchainImages, (XrSwapchain), p_swapchain, (uint32_t), p_image_capacity_input, (uint32_t *), p_image_count_output, (XrSwapchainImageBaseHeader *), p_images)
|
|
};
|
|
|
|
#endif // OPENXR_VULKAN_EXTENSION_H
|