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Implementing OpenXR driver

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This commit is contained in:
Bastiaan Olij
2021-12-14 12:44:12 +11:00
committed by Rémi Verschelde
parent 65bae5a341
commit a78a9fee71
53 changed files with 6359 additions and 168 deletions
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71
modules/openxr/extensions/openxr_android_extension.cpp Normal file
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/*************************************************************************/
/* openxr_android_extension.cpp */
/*************************************************************************/
/* 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. */
/*************************************************************************/
#include "openxr_android_extension.h"
#include <openxr/openxr.h>
#include <openxr/openxr_platform.h>
OpenXRAndroidExtension *OpenXRAndroidExtension::singleton = nullptr;
OpenXRAndroidExtension *OpenXRAndroidExtension::get_singleton() {
return singleton;
}
OpenXRAndroidExtension::OpenXRAndroidExtension(OpenXRAPI *p_openxr_api) :
OpenXRExtensionWrapper(p_openxr_api) {
singleton = this;
request_extensions[XR_KHR_ANDROID_THREAD_SETTINGS_EXTENSION_NAME] = nullptr; // must be available
// Initialize the loader
PFN_xrInitializeLoaderKHR xrInitializeLoaderKHR;
result = xrGetInstanceProcAddr(XR_NULL_HANDLE, "xrInitializeLoaderKHR", (PFN_xrVoidFunction *)(&xrInitializeLoaderKHR));
ERR_FAIL_COND_MSG(XR_FAILED(result), "Failed to retrieve pointer to xrInitializeLoaderKHR");
// TODO fix this code, this is still code from GDNative!
JNIEnv *env = android_api->godot_android_get_env();
JavaVM *vm;
env->GetJavaVM(&vm);
jobject activity_object = env->NewGlobalRef(android_api->godot_android_get_activity());
XrLoaderInitInfoAndroidKHR loader_init_info_android = {
.type = XR_TYPE_LOADER_INIT_INFO_ANDROID_KHR,
.next = nullptr,
.applicationVM = vm,
.applicationContext = activity_object
};
xrInitializeLoaderKHR((const XrLoaderInitInfoBaseHeaderKHR *)&loader_init_info_android);
ERR_FAIL_COND_MSG(XR_FAILED(result), "Failed to call xrInitializeLoaderKHR");
}
OpenXRAndroidExtension::~OpenXRAndroidExtension() {
singleton = nullptr;
}

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modules/openxr/extensions/openxr_android_extension.h Normal file
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/*************************************************************************/
/* openxr_android_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_ANDROID_EXTENSION_H
#define OPENXR_ANDROID_EXTENSION_H
#include "openxr_extension_wrapper.h"
class OpenXRAndroidExtension : public OpenXRExtensionWrapper {
public:
static OpenXRAndroidExtension *get_singleton();
OpenXRAndroidExtension(OpenXRAPI *p_openxr_api);
virtual ~OpenXRAndroidExtension() override;
private:
static OpenXRAndroidExtension *singleton;
};
#endif // !OPENXR_ANDROID_EXTENSION_H

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modules/openxr/extensions/openxr_composition_layer_provider.h Normal file
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/*************************************************************************/
/* openxr_composition_layer_provider.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_COMPOSITION_LAYER_PROVIDER_H
#define OPENXR_COMPOSITION_LAYER_PROVIDER_H
#include <openxr/openxr.h>
// Interface for OpenXR extensions that provide a composition layer.
class OpenXRCompositionLayerProvider {
public:
// TODO changed to normal method definition for now
// CI complains until we implement this, haven't ported it yet from plugin
// virtual XrCompositionLayerBaseHeader *get_composition_layer() = 0;
XrCompositionLayerBaseHeader *get_composition_layer() { return nullptr; };
};
#endif // OPENXR_COMPOSITION_LAYER_PROVIDER_H

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modules/openxr/extensions/openxr_extension_wrapper.h Normal file
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/*************************************************************************/
/* openxr_extension_wrapper.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_EXTENSION_WRAPPER_H
#define OPENXR_EXTENSION_WRAPPER_H
#include "core/error/error_macros.h"
#include "core/math/camera_matrix.h"
#include "core/templates/map.h"
#include "core/templates/rid.h"
#include "thirdparty/openxr/src/common/xr_linear.h"
#include <openxr/openxr.h>
class OpenXRAPI;
class OpenXRExtensionWrapper {
protected:
OpenXRAPI *openxr_api;
// Store extension we require.
// If bool pointer is a nullptr this means this extension is mandatory and initialisation will fail if it is not available
// If bool pointer is set, value will be set to true or false depending on whether extension is available
Map<const char *, bool *> request_extensions;
public:
virtual Map<const char *, bool *> get_request_extensions() {
return request_extensions;
}
// These functions allow an extension to add entries to a struct chain.
// `p_next_pointer` points to the last struct that was created for this chain
// and should be used as the value for the `pNext` pointer in the first struct you add.
// You should return the pointer to the last struct you define as your result.
// If you are not adding any structs, just return `p_next_pointer`.
// See existing extensions for examples of this implementation.
virtual void *set_system_properties_and_get_next_pointer(void *p_next_pointer) { return p_next_pointer; }
virtual void *set_session_create_and_get_next_pointer(void *p_next_pointer) { return p_next_pointer; }
virtual void *set_swapchain_create_info_and_get_next_pointer(void *p_next_pointer) { return p_next_pointer; }
virtual void on_instance_created(const XrInstance p_instance) {}
virtual void on_instance_destroyed() {}
virtual void on_session_created(const XrSession p_instance) {}
virtual void on_process() {}
virtual void on_pre_render() {}
virtual void on_session_destroyed() {}
virtual void on_state_idle() {}
virtual void on_state_ready() {}
virtual void on_state_synchronized() {}
virtual void on_state_visible() {}
virtual void on_state_focused() {}
virtual void on_state_stopping() {}
virtual void on_state_loss_pending() {}
virtual void on_state_exiting() {}
// Returns true if the event was handled, false otherwise.
virtual bool on_event_polled(const XrEventDataBuffer &event) {
return false;
}
OpenXRExtensionWrapper(OpenXRAPI *p_openxr_api) { openxr_api = p_openxr_api; };
virtual ~OpenXRExtensionWrapper() = default;
};
class OpenXRGraphicsExtensionWrapper : public OpenXRExtensionWrapper {
public:
virtual void get_usable_swapchain_formats(Vector<int64_t> &p_usable_swap_chains) = 0;
virtual String get_swapchain_format_name(int64_t p_swapchain_format) const = 0;
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) = 0;
virtual void cleanup_swapchain_graphics_data(void **p_swapchain_graphics_data) = 0;
virtual bool create_projection_fov(const XrFovf p_fov, double p_z_near, double p_z_far, CameraMatrix &r_camera_matrix) = 0;
virtual bool copy_render_target_to_image(RID p_from_render_target, void *p_swapchain_graphics_data, int p_image_index) = 0;
OpenXRGraphicsExtensionWrapper(OpenXRAPI *p_openxr_api) :
OpenXRExtensionWrapper(p_openxr_api){};
};
#endif // ~OPENXR_EXTENSION_WRAPPER_H

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modules/openxr/extensions/openxr_vulkan_extension.cpp Normal file
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/*************************************************************************/
/* openxr_vulkan_extension.cpp */
/*************************************************************************/
/* 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. */
/*************************************************************************/
#include "core/string/print_string.h"
#include "modules/openxr/extensions/openxr_vulkan_extension.h"
#include "modules/openxr/openxr_api.h"
#include "modules/openxr/openxr_util.h"
#include "servers/rendering/renderer_rd/renderer_storage_rd.h"
#include "servers/rendering/rendering_server_globals.h"
#include "servers/rendering_server.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
// include platform dependent structs
#include <openxr/openxr_platform.h>
PFN_xrGetVulkanGraphicsRequirements2KHR xrGetVulkanGraphicsRequirements2KHR_ptr = nullptr;
PFN_xrCreateVulkanInstanceKHR xrCreateVulkanInstanceKHR_ptr = nullptr;
PFN_xrGetVulkanGraphicsDevice2KHR xrGetVulkanGraphicsDevice2KHR_ptr = nullptr;
PFN_xrCreateVulkanDeviceKHR xrCreateVulkanDeviceKHR_ptr = nullptr;
OpenXRVulkanExtension::OpenXRVulkanExtension(OpenXRAPI *p_openxr_api) :
OpenXRGraphicsExtensionWrapper(p_openxr_api) {
VulkanContext::set_vulkan_hooks(this);
request_extensions[XR_KHR_VULKAN_ENABLE2_EXTENSION_NAME] = nullptr; // must be available
ERR_FAIL_NULL(openxr_api);
}
OpenXRVulkanExtension::~OpenXRVulkanExtension() {
VulkanContext::set_vulkan_hooks(nullptr);
}
void OpenXRVulkanExtension::on_instance_created(const XrInstance p_instance) {
XrResult result;
ERR_FAIL_NULL(openxr_api);
// Obtain pointers to functions we're accessing here, they are (not yet) part of core.
result = xrGetInstanceProcAddr(p_instance, "xrGetVulkanGraphicsRequirements2KHR", (PFN_xrVoidFunction *)&xrGetVulkanGraphicsRequirements2KHR_ptr);
if (XR_FAILED(result)) {
print_line("OpenXR: Failed to xrGetVulkanGraphicsRequirements2KHR entry point [", openxr_api->get_error_string(result), "]");
}
result = xrGetInstanceProcAddr(p_instance, "xrCreateVulkanInstanceKHR", (PFN_xrVoidFunction *)&xrCreateVulkanInstanceKHR_ptr);
if (XR_FAILED(result)) {
print_line("OpenXR: Failed to xrCreateVulkanInstanceKHR entry point [", openxr_api->get_error_string(result), "]");
}
result = xrGetInstanceProcAddr(p_instance, "xrGetVulkanGraphicsDevice2KHR", (PFN_xrVoidFunction *)&xrGetVulkanGraphicsDevice2KHR_ptr);
if (XR_FAILED(result)) {
print_line("OpenXR: Failed to xrGetVulkanGraphicsDevice2KHR entry point [", openxr_api->get_error_string(result), "]");
}
result = xrGetInstanceProcAddr(p_instance, "xrCreateVulkanDeviceKHR", (PFN_xrVoidFunction *)&xrCreateVulkanDeviceKHR_ptr);
if (XR_FAILED(result)) {
print_line("OpenXR: Failed to xrCreateVulkanDeviceKHR entry point [", openxr_api->get_error_string(result), "]");
}
}
XrResult OpenXRVulkanExtension::xrGetVulkanGraphicsRequirements2KHR(XrInstance p_instance, XrSystemId p_system_id, XrGraphicsRequirementsVulkanKHR *p_graphics_requirements) {
ERR_FAIL_NULL_V(xrGetVulkanGraphicsRequirements2KHR_ptr, XR_ERROR_HANDLE_INVALID);
return (*xrGetVulkanGraphicsRequirements2KHR_ptr)(p_instance, p_system_id, p_graphics_requirements);
}
bool OpenXRVulkanExtension::check_graphics_api_support(XrVersion p_desired_version) {
ERR_FAIL_NULL_V(openxr_api, false);
XrGraphicsRequirementsVulkan2KHR vulkan_requirements = {
XR_TYPE_GRAPHICS_REQUIREMENTS_VULKAN2_KHR, // type
nullptr, // next
0, // minApiVersionSupported
0 // maxApiVersionSupported
};
XrResult result = xrGetVulkanGraphicsRequirements2KHR(openxr_api->get_instance(), openxr_api->get_system_id(), &vulkan_requirements);
if (XR_FAILED(result)) {
print_line("OpenXR: Failed to get vulkan graphics requirements [", openxr_api->get_error_string(result), "]");
return false;
}
// #ifdef DEBUG
print_line("OpenXR: XrGraphicsRequirementsVulkan2KHR:");
print_line(" - minApiVersionSupported: ", OpenXRUtil::make_xr_version_string(vulkan_requirements.minApiVersionSupported));
print_line(" - maxApiVersionSupported: ", OpenXRUtil::make_xr_version_string(vulkan_requirements.maxApiVersionSupported));
// #endif
if (p_desired_version < vulkan_requirements.minApiVersionSupported) {
print_line("OpenXR: Requested Vulkan version does not meet the minimum version this runtime supports.");
print_line("- desired_version ", OpenXRUtil::make_xr_version_string(p_desired_version));
print_line("- minApiVersionSupported ", OpenXRUtil::make_xr_version_string(vulkan_requirements.minApiVersionSupported));
print_line("- maxApiVersionSupported ", OpenXRUtil::make_xr_version_string(vulkan_requirements.maxApiVersionSupported));
return false;
}
if (p_desired_version > vulkan_requirements.maxApiVersionSupported) {
print_line("OpenXR: Requested Vulkan version exceeds the maximum version this runtime has been tested on and is known to support.");
print_line("- desired_version ", OpenXRUtil::make_xr_version_string(p_desired_version));
print_line("- minApiVersionSupported ", OpenXRUtil::make_xr_version_string(vulkan_requirements.minApiVersionSupported));
print_line("- maxApiVersionSupported ", OpenXRUtil::make_xr_version_string(vulkan_requirements.maxApiVersionSupported));
}
return true;
}
XrResult OpenXRVulkanExtension::xrCreateVulkanInstanceKHR(XrInstance p_instance, const XrVulkanInstanceCreateInfoKHR *p_create_info, VkInstance *r_vulkan_instance, VkResult *r_vulkan_result) {
ERR_FAIL_NULL_V(xrCreateVulkanInstanceKHR_ptr, XR_ERROR_HANDLE_INVALID);
return (*xrCreateVulkanInstanceKHR_ptr)(p_instance, p_create_info, r_vulkan_instance, r_vulkan_result);
}
bool OpenXRVulkanExtension::create_vulkan_instance(const VkInstanceCreateInfo *p_vulkan_create_info, VkInstance *r_instance) {
// get the vulkan version we are creating
uint32_t vulkan_version = p_vulkan_create_info->pApplicationInfo->apiVersion;
uint32_t major_version = VK_VERSION_MAJOR(vulkan_version);
uint32_t minor_version = VK_VERSION_MINOR(vulkan_version);
uint32_t patch_version = VK_VERSION_PATCH(vulkan_version);
XrVersion desired_version = XR_MAKE_VERSION(major_version, minor_version, patch_version);
// check if this is supported
if (!check_graphics_api_support(desired_version)) {
return false;
}
XrVulkanInstanceCreateInfoKHR xr_vulkan_instance_info = {
XR_TYPE_VULKAN_INSTANCE_CREATE_INFO_KHR, // type
nullptr, // next
openxr_api->get_system_id(), // systemId
0, // createFlags
vkGetInstanceProcAddr, // pfnGetInstanceProcAddr
p_vulkan_create_info, // vulkanCreateInfo
nullptr, // vulkanAllocator
};
VkResult vk_result = VK_SUCCESS;
XrResult result = xrCreateVulkanInstanceKHR(openxr_api->get_instance(), &xr_vulkan_instance_info, &vulkan_instance, &vk_result);
if (XR_FAILED(result)) {
print_line("OpenXR: Failed to create vulkan instance [", openxr_api->get_error_string(result), "]");
return false;
}
ERR_FAIL_COND_V_MSG(vk_result == VK_ERROR_INCOMPATIBLE_DRIVER, false,
"Cannot find a compatible Vulkan installable client driver (ICD).\n\n"
"vkCreateInstance Failure");
ERR_FAIL_COND_V_MSG(vk_result == VK_ERROR_EXTENSION_NOT_PRESENT, false,
"Cannot find a specified extension library.\n"
"Make sure your layers path is set appropriately.\n"
"vkCreateInstance Failure");
ERR_FAIL_COND_V_MSG(vk_result, false,
"vkCreateInstance failed.\n\n"
"Do you have a compatible Vulkan installable client driver (ICD) installed?\n"
"Please look at the Getting Started guide for additional information.\n"
"vkCreateInstance Failure");
*r_instance = vulkan_instance;
return true;
}
XrResult OpenXRVulkanExtension::xrGetVulkanGraphicsDevice2KHR(XrInstance p_instance, const XrVulkanGraphicsDeviceGetInfoKHR *p_get_info, VkPhysicalDevice *r_vulkan_physical_device) {
ERR_FAIL_NULL_V(xrGetVulkanGraphicsDevice2KHR_ptr, XR_ERROR_HANDLE_INVALID);
return (*xrGetVulkanGraphicsDevice2KHR_ptr)(p_instance, p_get_info, r_vulkan_physical_device);
}
bool OpenXRVulkanExtension::get_physical_device(VkPhysicalDevice *r_device) {
ERR_FAIL_NULL_V(openxr_api, false);
XrVulkanGraphicsDeviceGetInfoKHR get_info = {
XR_TYPE_VULKAN_GRAPHICS_DEVICE_GET_INFO_KHR, // type
nullptr, // next
openxr_api->get_system_id(), // systemId
vulkan_instance, // vulkanInstance
};
XrResult result = xrGetVulkanGraphicsDevice2KHR(openxr_api->get_instance(), &get_info, &vulkan_physical_device);
if (XR_FAILED(result)) {
print_line("OpenXR: Failed to obtain vulkan physical device [", openxr_api->get_error_string(result), "]");
return false;
}
*r_device = vulkan_physical_device;
return true;
}
XrResult OpenXRVulkanExtension::xrCreateVulkanDeviceKHR(XrInstance p_instance, const XrVulkanDeviceCreateInfoKHR *p_create_info, VkDevice *r_device, VkResult *r_result) {
ERR_FAIL_NULL_V(xrCreateVulkanDeviceKHR_ptr, XR_ERROR_HANDLE_INVALID);
return (*xrCreateVulkanDeviceKHR_ptr)(p_instance, p_create_info, r_device, r_result);
}
bool OpenXRVulkanExtension::create_vulkan_device(const VkDeviceCreateInfo *p_device_create_info, VkDevice *r_device) {
ERR_FAIL_NULL_V(openxr_api, false);
// the first entry in our queue list should be the one we need to remember...
vulkan_queue_family_index = p_device_create_info->pQueueCreateInfos[0].queueFamilyIndex;
vulkan_queue_index = 0; // ??
XrVulkanDeviceCreateInfoKHR create_info = {
XR_TYPE_VULKAN_DEVICE_CREATE_INFO_KHR, // type
nullptr, // next
openxr_api->get_system_id(), // systemId
0, // createFlags
vkGetInstanceProcAddr, // pfnGetInstanceProcAddr
vulkan_physical_device, // vulkanPhysicalDevice
p_device_create_info, // vulkanCreateInfo
nullptr // vulkanAllocator
};
VkResult vk_result = VK_SUCCESS;
XrResult result = xrCreateVulkanDeviceKHR(openxr_api->get_instance(), &create_info, &vulkan_device, &vk_result);
if (XR_FAILED(result)) {
print_line("OpenXR: Failed to create vulkan device [", openxr_api->get_error_string(result), "]");
return false;
}
if (vk_result != VK_SUCCESS) {
print_line("OpenXR: Failed to create vulkan device [vulkan error", vk_result, "]");
}
*r_device = vulkan_device;
return true;
}
XrGraphicsBindingVulkanKHR OpenXRVulkanExtension::graphics_binding_vulkan;
void *OpenXRVulkanExtension::set_session_create_and_get_next_pointer(void *p_next_pointer) {
graphics_binding_vulkan.type = XR_TYPE_GRAPHICS_BINDING_VULKAN_KHR;
graphics_binding_vulkan.next = p_next_pointer;
graphics_binding_vulkan.instance = vulkan_instance;
graphics_binding_vulkan.physicalDevice = vulkan_physical_device;
graphics_binding_vulkan.device = vulkan_device;
graphics_binding_vulkan.queueFamilyIndex = vulkan_queue_family_index;
graphics_binding_vulkan.queueIndex = vulkan_queue_index;
return &graphics_binding_vulkan;
}
void OpenXRVulkanExtension::get_usable_swapchain_formats(Vector<int64_t> &p_usable_swap_chains) {
// We might want to do more here especially if we keep things in linear color space
// Possibly add in R10G10B10A2 as an option if we're using the mobile renderer.
p_usable_swap_chains.push_back(VK_FORMAT_R8G8B8A8_SRGB);
p_usable_swap_chains.push_back(VK_FORMAT_B8G8R8A8_SRGB);
p_usable_swap_chains.push_back(VK_FORMAT_R8G8B8A8_UINT);
p_usable_swap_chains.push_back(VK_FORMAT_B8G8R8A8_UINT);
}
bool OpenXRVulkanExtension::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) {
XrSwapchainImageVulkanKHR *images = nullptr;
RenderingServer *rendering_server = RenderingServer::get_singleton();
ERR_FAIL_NULL_V(rendering_server, false);
RenderingDevice *rendering_device = rendering_server->get_rendering_device();
ERR_FAIL_NULL_V(rendering_device, false);
uint32_t swapchain_length;
XrResult result = xrEnumerateSwapchainImages(p_swapchain, 0, &swapchain_length, nullptr);
if (XR_FAILED(result)) {
print_line("OpenXR: Failed to get swapchaim image count [", openxr_api->get_error_string(result), "]");
return false;
}
images = (XrSwapchainImageVulkanKHR *)memalloc(sizeof(XrSwapchainImageVulkanKHR) * swapchain_length);
ERR_FAIL_NULL_V_MSG(images, false, "OpenXR Couldn't allocate memory for swap chain image");
for (uint64_t i = 0; i < swapchain_length; i++) {
images[i].type = XR_TYPE_SWAPCHAIN_IMAGE_VULKAN_KHR;
images[i].next = nullptr;
images[i].image = nullptr;
}
result = xrEnumerateSwapchainImages(p_swapchain, swapchain_length, &swapchain_length, (XrSwapchainImageBaseHeader *)images);
if (XR_FAILED(result)) {
print_line("OpenXR: Failed to get swapchaim images [", openxr_api->get_error_string(result), "]");
memfree(images);
return false;
}
// SwapchainGraphicsData *data = (SwapchainGraphicsData *)memalloc(sizeof(SwapchainGraphicsData));
SwapchainGraphicsData *data = memnew(SwapchainGraphicsData);
if (data == nullptr) {
print_line("OpenXR: Failed to allocate memory for swapchain data");
memfree(images);
return false;
}
*r_swapchain_graphics_data = data;
data->is_multiview = (p_array_size > 1);
RenderingDevice::DataFormat format = RenderingDevice::DATA_FORMAT_R8G8B8A8_SRGB; // TODO set this based on p_swapchain_format
RenderingDevice::TextureSamples samples = RenderingDevice::TEXTURE_SAMPLES_1; // TODO set this based on p_sample_count
uint64_t usage_flags = RenderingDevice::TEXTURE_USAGE_SAMPLING_BIT | RenderingDevice::TEXTURE_USAGE_COLOR_ATTACHMENT_BIT;
Vector<RID> image_rids;
Vector<RID> framebuffers;
// create Godot texture objects for each entry in our swapchain
for (uint64_t i = 0; i < swapchain_length; i++) {
RID image_rid = rendering_device->texture_create_from_extension(
p_array_size == 1 ? RenderingDevice::TEXTURE_TYPE_2D : RenderingDevice::TEXTURE_TYPE_2D_ARRAY,
format,
samples,
usage_flags,
(uint64_t)images[i].image,
p_width,
p_height,
1,
p_array_size);
image_rids.push_back(image_rid);
{
Vector<RID> fb;
fb.push_back(image_rid);
RID fb_rid = rendering_device->framebuffer_create(fb, RenderingDevice::INVALID_ID, p_array_size);
framebuffers.push_back(fb_rid);
}
}
data->image_rids = image_rids;
data->framebuffers = framebuffers;
memfree(images);
return true;
}
bool OpenXRVulkanExtension::create_projection_fov(const XrFovf p_fov, double p_z_near, double p_z_far, CameraMatrix &r_camera_matrix) {
// Even though this is a Vulkan renderer we're using OpenGL coordinate systems
XrMatrix4x4f matrix;
XrMatrix4x4f_CreateProjectionFov(&matrix, GRAPHICS_OPENGL, p_fov, (float)p_z_near, (float)p_z_far);
for (int j = 0; j < 4; j++) {
for (int i = 0; i < 4; i++) {
r_camera_matrix.matrix[j][i] = matrix.m[j * 4 + i];
}
}
return true;
}
bool OpenXRVulkanExtension::copy_render_target_to_image(RID p_from_render_target, void *p_swapchain_graphics_data, int p_image_index) {
SwapchainGraphicsData *data = (SwapchainGraphicsData *)p_swapchain_graphics_data;
ERR_FAIL_NULL_V(data, false);
ERR_FAIL_COND_V(p_from_render_target.is_null(), false);
ERR_FAIL_NULL_V(RendererStorageRD::base_singleton, false);
RID source_image = RendererStorageRD::base_singleton->render_target_get_rd_texture(p_from_render_target);
ERR_FAIL_COND_V(source_image.is_null(), false);
RID depth_image; // TODO implement
ERR_FAIL_INDEX_V(p_image_index, data->framebuffers.size(), false);
RID fb = data->framebuffers[p_image_index];
ERR_FAIL_COND_V(fb.is_null(), false);
// Our vulkan extension can only be used in conjunction with our vulkan renderer.
// We need access to the effects object in order to have access to our copy logic.
// Breaking all the rules but there is no nice way to do this.
EffectsRD *effects = RendererStorageRD::base_singleton->get_effects();
ERR_FAIL_NULL_V(effects, false);
effects->copy_to_fb_rect(source_image, fb, Rect2i(), false, false, false, false, depth_image, data->is_multiview);
return true;
}
void OpenXRVulkanExtension::cleanup_swapchain_graphics_data(void **p_swapchain_graphics_data) {
if (*p_swapchain_graphics_data == nullptr) {
return;
}
SwapchainGraphicsData *data = (SwapchainGraphicsData *)*p_swapchain_graphics_data;
RenderingServer *rendering_server = RenderingServer::get_singleton();
ERR_FAIL_NULL(rendering_server);
RenderingDevice *rendering_device = rendering_server->get_rendering_device();
ERR_FAIL_NULL(rendering_device);
for (int i = 0; i < data->image_rids.size(); i++) {
// This should clean up our RIDs and associated texture objects but shouldn't destroy the images, they are owned by our XrSwapchain
rendering_device->free(data->image_rids[i]);
}
data->image_rids.clear();
for (int i = 0; i < data->framebuffers.size(); i++) {
// This should clean up our RIDs and associated texture objects but shouldn't destroy the images, they are owned by our XrSwapchain
rendering_device->free(data->framebuffers[i]);
}
data->framebuffers.clear();
memdelete(data);
*p_swapchain_graphics_data = nullptr;
}
#define ENUM_TO_STRING_CASE(e) \
case e: { \
return String(#e); \
} break;
String OpenXRVulkanExtension::get_swapchain_format_name(int64_t p_swapchain_format) const {
// This really should be in vulkan_context...
VkFormat format = VkFormat(p_swapchain_format);
switch (format) {
ENUM_TO_STRING_CASE(VK_FORMAT_UNDEFINED)
ENUM_TO_STRING_CASE(VK_FORMAT_R4G4_UNORM_PACK8)
ENUM_TO_STRING_CASE(VK_FORMAT_R4G4B4A4_UNORM_PACK16)
ENUM_TO_STRING_CASE(VK_FORMAT_B4G4R4A4_UNORM_PACK16)
ENUM_TO_STRING_CASE(VK_FORMAT_R5G6B5_UNORM_PACK16)
ENUM_TO_STRING_CASE(VK_FORMAT_B5G6R5_UNORM_PACK16)
ENUM_TO_STRING_CASE(VK_FORMAT_R5G5B5A1_UNORM_PACK16)
ENUM_TO_STRING_CASE(VK_FORMAT_B5G5R5A1_UNORM_PACK16)
ENUM_TO_STRING_CASE(VK_FORMAT_A1R5G5B5_UNORM_PACK16)
ENUM_TO_STRING_CASE(VK_FORMAT_R8_UNORM)
ENUM_TO_STRING_CASE(VK_FORMAT_R8_SNORM)
ENUM_TO_STRING_CASE(VK_FORMAT_R8_USCALED)
ENUM_TO_STRING_CASE(VK_FORMAT_R8_SSCALED)
ENUM_TO_STRING_CASE(VK_FORMAT_R8_UINT)
ENUM_TO_STRING_CASE(VK_FORMAT_R8_SINT)
ENUM_TO_STRING_CASE(VK_FORMAT_R8_SRGB)
ENUM_TO_STRING_CASE(VK_FORMAT_R8G8_UNORM)
ENUM_TO_STRING_CASE(VK_FORMAT_R8G8_SNORM)
ENUM_TO_STRING_CASE(VK_FORMAT_R8G8_USCALED)
ENUM_TO_STRING_CASE(VK_FORMAT_R8G8_SSCALED)
ENUM_TO_STRING_CASE(VK_FORMAT_R8G8_UINT)
ENUM_TO_STRING_CASE(VK_FORMAT_R8G8_SINT)
ENUM_TO_STRING_CASE(VK_FORMAT_R8G8_SRGB)
ENUM_TO_STRING_CASE(VK_FORMAT_R8G8B8_UNORM)
ENUM_TO_STRING_CASE(VK_FORMAT_R8G8B8_SNORM)
ENUM_TO_STRING_CASE(VK_FORMAT_R8G8B8_USCALED)
ENUM_TO_STRING_CASE(VK_FORMAT_R8G8B8_SSCALED)
ENUM_TO_STRING_CASE(VK_FORMAT_R8G8B8_UINT)
ENUM_TO_STRING_CASE(VK_FORMAT_R8G8B8_SINT)
ENUM_TO_STRING_CASE(VK_FORMAT_R8G8B8_SRGB)
ENUM_TO_STRING_CASE(VK_FORMAT_B8G8R8_UNORM)
ENUM_TO_STRING_CASE(VK_FORMAT_B8G8R8_SNORM)
ENUM_TO_STRING_CASE(VK_FORMAT_B8G8R8_USCALED)
ENUM_TO_STRING_CASE(VK_FORMAT_B8G8R8_SSCALED)
ENUM_TO_STRING_CASE(VK_FORMAT_B8G8R8_UINT)
ENUM_TO_STRING_CASE(VK_FORMAT_B8G8R8_SINT)
ENUM_TO_STRING_CASE(VK_FORMAT_B8G8R8_SRGB)
ENUM_TO_STRING_CASE(VK_FORMAT_R8G8B8A8_UNORM)
ENUM_TO_STRING_CASE(VK_FORMAT_R8G8B8A8_SNORM)
ENUM_TO_STRING_CASE(VK_FORMAT_R8G8B8A8_USCALED)
ENUM_TO_STRING_CASE(VK_FORMAT_R8G8B8A8_SSCALED)
ENUM_TO_STRING_CASE(VK_FORMAT_R8G8B8A8_UINT)
ENUM_TO_STRING_CASE(VK_FORMAT_R8G8B8A8_SINT)
ENUM_TO_STRING_CASE(VK_FORMAT_R8G8B8A8_SRGB)
ENUM_TO_STRING_CASE(VK_FORMAT_B8G8R8A8_UNORM)
ENUM_TO_STRING_CASE(VK_FORMAT_B8G8R8A8_SNORM)
ENUM_TO_STRING_CASE(VK_FORMAT_B8G8R8A8_USCALED)
ENUM_TO_STRING_CASE(VK_FORMAT_B8G8R8A8_SSCALED)
ENUM_TO_STRING_CASE(VK_FORMAT_B8G8R8A8_UINT)
ENUM_TO_STRING_CASE(VK_FORMAT_B8G8R8A8_SINT)
ENUM_TO_STRING_CASE(VK_FORMAT_B8G8R8A8_SRGB)
ENUM_TO_STRING_CASE(VK_FORMAT_A8B8G8R8_UNORM_PACK32)
ENUM_TO_STRING_CASE(VK_FORMAT_A8B8G8R8_SNORM_PACK32)
ENUM_TO_STRING_CASE(VK_FORMAT_A8B8G8R8_USCALED_PACK32)
ENUM_TO_STRING_CASE(VK_FORMAT_A8B8G8R8_SSCALED_PACK32)
ENUM_TO_STRING_CASE(VK_FORMAT_A8B8G8R8_UINT_PACK32)
ENUM_TO_STRING_CASE(VK_FORMAT_A8B8G8R8_SINT_PACK32)
ENUM_TO_STRING_CASE(VK_FORMAT_A8B8G8R8_SRGB_PACK32)
ENUM_TO_STRING_CASE(VK_FORMAT_A2R10G10B10_UNORM_PACK32)
ENUM_TO_STRING_CASE(VK_FORMAT_A2R10G10B10_SNORM_PACK32)
ENUM_TO_STRING_CASE(VK_FORMAT_A2R10G10B10_USCALED_PACK32)
ENUM_TO_STRING_CASE(VK_FORMAT_A2R10G10B10_SSCALED_PACK32)
ENUM_TO_STRING_CASE(VK_FORMAT_A2R10G10B10_UINT_PACK32)
ENUM_TO_STRING_CASE(VK_FORMAT_A2R10G10B10_SINT_PACK32)
ENUM_TO_STRING_CASE(VK_FORMAT_A2B10G10R10_UNORM_PACK32)
ENUM_TO_STRING_CASE(VK_FORMAT_A2B10G10R10_SNORM_PACK32)
ENUM_TO_STRING_CASE(VK_FORMAT_A2B10G10R10_USCALED_PACK32)
ENUM_TO_STRING_CASE(VK_FORMAT_A2B10G10R10_SSCALED_PACK32)
ENUM_TO_STRING_CASE(VK_FORMAT_A2B10G10R10_UINT_PACK32)
ENUM_TO_STRING_CASE(VK_FORMAT_A2B10G10R10_SINT_PACK32)
ENUM_TO_STRING_CASE(VK_FORMAT_R16_UNORM)
ENUM_TO_STRING_CASE(VK_FORMAT_R16_SNORM)
ENUM_TO_STRING_CASE(VK_FORMAT_R16_USCALED)
ENUM_TO_STRING_CASE(VK_FORMAT_R16_SSCALED)
ENUM_TO_STRING_CASE(VK_FORMAT_R16_UINT)
ENUM_TO_STRING_CASE(VK_FORMAT_R16_SINT)
ENUM_TO_STRING_CASE(VK_FORMAT_R16_SFLOAT)
ENUM_TO_STRING_CASE(VK_FORMAT_R16G16_UNORM)
ENUM_TO_STRING_CASE(VK_FORMAT_R16G16_SNORM)
ENUM_TO_STRING_CASE(VK_FORMAT_R16G16_USCALED)
ENUM_TO_STRING_CASE(VK_FORMAT_R16G16_SSCALED)
ENUM_TO_STRING_CASE(VK_FORMAT_R16G16_UINT)
ENUM_TO_STRING_CASE(VK_FORMAT_R16G16_SINT)
ENUM_TO_STRING_CASE(VK_FORMAT_R16G16_SFLOAT)
ENUM_TO_STRING_CASE(VK_FORMAT_R16G16B16_UNORM)
ENUM_TO_STRING_CASE(VK_FORMAT_R16G16B16_SNORM)
ENUM_TO_STRING_CASE(VK_FORMAT_R16G16B16_USCALED)
ENUM_TO_STRING_CASE(VK_FORMAT_R16G16B16_SSCALED)
ENUM_TO_STRING_CASE(VK_FORMAT_R16G16B16_UINT)
ENUM_TO_STRING_CASE(VK_FORMAT_R16G16B16_SINT)
ENUM_TO_STRING_CASE(VK_FORMAT_R16G16B16_SFLOAT)
ENUM_TO_STRING_CASE(VK_FORMAT_R16G16B16A16_UNORM)
ENUM_TO_STRING_CASE(VK_FORMAT_R16G16B16A16_SNORM)
ENUM_TO_STRING_CASE(VK_FORMAT_R16G16B16A16_USCALED)
ENUM_TO_STRING_CASE(VK_FORMAT_R16G16B16A16_SSCALED)
ENUM_TO_STRING_CASE(VK_FORMAT_R16G16B16A16_UINT)
ENUM_TO_STRING_CASE(VK_FORMAT_R16G16B16A16_SINT)
ENUM_TO_STRING_CASE(VK_FORMAT_R16G16B16A16_SFLOAT)
ENUM_TO_STRING_CASE(VK_FORMAT_R32_UINT)
ENUM_TO_STRING_CASE(VK_FORMAT_R32_SINT)
ENUM_TO_STRING_CASE(VK_FORMAT_R32_SFLOAT)
ENUM_TO_STRING_CASE(VK_FORMAT_R32G32_UINT)
ENUM_TO_STRING_CASE(VK_FORMAT_R32G32_SINT)
ENUM_TO_STRING_CASE(VK_FORMAT_R32G32_SFLOAT)
ENUM_TO_STRING_CASE(VK_FORMAT_R32G32B32_UINT)
ENUM_TO_STRING_CASE(VK_FORMAT_R32G32B32_SINT)
ENUM_TO_STRING_CASE(VK_FORMAT_R32G32B32_SFLOAT)
ENUM_TO_STRING_CASE(VK_FORMAT_R32G32B32A32_UINT)
ENUM_TO_STRING_CASE(VK_FORMAT_R32G32B32A32_SINT)
ENUM_TO_STRING_CASE(VK_FORMAT_R32G32B32A32_SFLOAT)
ENUM_TO_STRING_CASE(VK_FORMAT_R64_UINT)
ENUM_TO_STRING_CASE(VK_FORMAT_R64_SINT)
ENUM_TO_STRING_CASE(VK_FORMAT_R64_SFLOAT)
ENUM_TO_STRING_CASE(VK_FORMAT_R64G64_UINT)
ENUM_TO_STRING_CASE(VK_FORMAT_R64G64_SINT)
ENUM_TO_STRING_CASE(VK_FORMAT_R64G64_SFLOAT)
ENUM_TO_STRING_CASE(VK_FORMAT_R64G64B64_UINT)
ENUM_TO_STRING_CASE(VK_FORMAT_R64G64B64_SINT)
ENUM_TO_STRING_CASE(VK_FORMAT_R64G64B64_SFLOAT)
ENUM_TO_STRING_CASE(VK_FORMAT_R64G64B64A64_UINT)
ENUM_TO_STRING_CASE(VK_FORMAT_R64G64B64A64_SINT)
ENUM_TO_STRING_CASE(VK_FORMAT_R64G64B64A64_SFLOAT)
ENUM_TO_STRING_CASE(VK_FORMAT_B10G11R11_UFLOAT_PACK32)
ENUM_TO_STRING_CASE(VK_FORMAT_E5B9G9R9_UFLOAT_PACK32)
ENUM_TO_STRING_CASE(VK_FORMAT_D16_UNORM)
ENUM_TO_STRING_CASE(VK_FORMAT_X8_D24_UNORM_PACK32)
ENUM_TO_STRING_CASE(VK_FORMAT_D32_SFLOAT)
ENUM_TO_STRING_CASE(VK_FORMAT_S8_UINT)
ENUM_TO_STRING_CASE(VK_FORMAT_D16_UNORM_S8_UINT)
ENUM_TO_STRING_CASE(VK_FORMAT_D24_UNORM_S8_UINT)
ENUM_TO_STRING_CASE(VK_FORMAT_D32_SFLOAT_S8_UINT)
ENUM_TO_STRING_CASE(VK_FORMAT_BC1_RGB_UNORM_BLOCK)
ENUM_TO_STRING_CASE(VK_FORMAT_BC1_RGB_SRGB_BLOCK)
ENUM_TO_STRING_CASE(VK_FORMAT_BC1_RGBA_UNORM_BLOCK)
ENUM_TO_STRING_CASE(VK_FORMAT_BC1_RGBA_SRGB_BLOCK)
ENUM_TO_STRING_CASE(VK_FORMAT_BC2_UNORM_BLOCK)
ENUM_TO_STRING_CASE(VK_FORMAT_BC2_SRGB_BLOCK)
ENUM_TO_STRING_CASE(VK_FORMAT_BC3_UNORM_BLOCK)
ENUM_TO_STRING_CASE(VK_FORMAT_BC3_SRGB_BLOCK)
ENUM_TO_STRING_CASE(VK_FORMAT_BC4_UNORM_BLOCK)
ENUM_TO_STRING_CASE(VK_FORMAT_BC4_SNORM_BLOCK)
ENUM_TO_STRING_CASE(VK_FORMAT_BC5_UNORM_BLOCK)
ENUM_TO_STRING_CASE(VK_FORMAT_BC5_SNORM_BLOCK)
ENUM_TO_STRING_CASE(VK_FORMAT_BC6H_UFLOAT_BLOCK)
ENUM_TO_STRING_CASE(VK_FORMAT_BC6H_SFLOAT_BLOCK)
ENUM_TO_STRING_CASE(VK_FORMAT_BC7_UNORM_BLOCK)
ENUM_TO_STRING_CASE(VK_FORMAT_BC7_SRGB_BLOCK)
ENUM_TO_STRING_CASE(VK_FORMAT_ETC2_R8G8B8_UNORM_BLOCK)
ENUM_TO_STRING_CASE(VK_FORMAT_ETC2_R8G8B8_SRGB_BLOCK)
ENUM_TO_STRING_CASE(VK_FORMAT_ETC2_R8G8B8A1_UNORM_BLOCK)
ENUM_TO_STRING_CASE(VK_FORMAT_ETC2_R8G8B8A1_SRGB_BLOCK)
ENUM_TO_STRING_CASE(VK_FORMAT_ETC2_R8G8B8A8_UNORM_BLOCK)
ENUM_TO_STRING_CASE(VK_FORMAT_ETC2_R8G8B8A8_SRGB_BLOCK)
ENUM_TO_STRING_CASE(VK_FORMAT_EAC_R11_UNORM_BLOCK)
ENUM_TO_STRING_CASE(VK_FORMAT_EAC_R11_SNORM_BLOCK)
ENUM_TO_STRING_CASE(VK_FORMAT_EAC_R11G11_UNORM_BLOCK)
ENUM_TO_STRING_CASE(VK_FORMAT_EAC_R11G11_SNORM_BLOCK)
ENUM_TO_STRING_CASE(VK_FORMAT_ASTC_4x4_UNORM_BLOCK)
ENUM_TO_STRING_CASE(VK_FORMAT_ASTC_4x4_SRGB_BLOCK)
ENUM_TO_STRING_CASE(VK_FORMAT_ASTC_5x4_UNORM_BLOCK)
ENUM_TO_STRING_CASE(VK_FORMAT_ASTC_5x4_SRGB_BLOCK)
ENUM_TO_STRING_CASE(VK_FORMAT_ASTC_5x5_UNORM_BLOCK)
ENUM_TO_STRING_CASE(VK_FORMAT_ASTC_5x5_SRGB_BLOCK)
ENUM_TO_STRING_CASE(VK_FORMAT_ASTC_6x5_UNORM_BLOCK)
ENUM_TO_STRING_CASE(VK_FORMAT_ASTC_6x5_SRGB_BLOCK)
ENUM_TO_STRING_CASE(VK_FORMAT_ASTC_6x6_UNORM_BLOCK)
ENUM_TO_STRING_CASE(VK_FORMAT_ASTC_6x6_SRGB_BLOCK)
ENUM_TO_STRING_CASE(VK_FORMAT_ASTC_8x5_UNORM_BLOCK)
ENUM_TO_STRING_CASE(VK_FORMAT_ASTC_8x5_SRGB_BLOCK)
ENUM_TO_STRING_CASE(VK_FORMAT_ASTC_8x6_UNORM_BLOCK)
ENUM_TO_STRING_CASE(VK_FORMAT_ASTC_8x6_SRGB_BLOCK)
ENUM_TO_STRING_CASE(VK_FORMAT_ASTC_8x8_UNORM_BLOCK)
ENUM_TO_STRING_CASE(VK_FORMAT_ASTC_8x8_SRGB_BLOCK)
ENUM_TO_STRING_CASE(VK_FORMAT_ASTC_10x5_UNORM_BLOCK)
ENUM_TO_STRING_CASE(VK_FORMAT_ASTC_10x5_SRGB_BLOCK)
ENUM_TO_STRING_CASE(VK_FORMAT_ASTC_10x6_UNORM_BLOCK)
ENUM_TO_STRING_CASE(VK_FORMAT_ASTC_10x6_SRGB_BLOCK)
ENUM_TO_STRING_CASE(VK_FORMAT_ASTC_10x8_UNORM_BLOCK)
ENUM_TO_STRING_CASE(VK_FORMAT_ASTC_10x8_SRGB_BLOCK)
ENUM_TO_STRING_CASE(VK_FORMAT_ASTC_10x10_UNORM_BLOCK)
ENUM_TO_STRING_CASE(VK_FORMAT_ASTC_10x10_SRGB_BLOCK)
ENUM_TO_STRING_CASE(VK_FORMAT_ASTC_12x10_UNORM_BLOCK)
ENUM_TO_STRING_CASE(VK_FORMAT_ASTC_12x10_SRGB_BLOCK)
ENUM_TO_STRING_CASE(VK_FORMAT_ASTC_12x12_UNORM_BLOCK)
ENUM_TO_STRING_CASE(VK_FORMAT_ASTC_12x12_SRGB_BLOCK)
ENUM_TO_STRING_CASE(VK_FORMAT_G8B8G8R8_422_UNORM)
ENUM_TO_STRING_CASE(VK_FORMAT_B8G8R8G8_422_UNORM)
ENUM_TO_STRING_CASE(VK_FORMAT_G8_B8_R8_3PLANE_420_UNORM)
ENUM_TO_STRING_CASE(VK_FORMAT_G8_B8R8_2PLANE_420_UNORM)
ENUM_TO_STRING_CASE(VK_FORMAT_G8_B8_R8_3PLANE_422_UNORM)
ENUM_TO_STRING_CASE(VK_FORMAT_G8_B8R8_2PLANE_422_UNORM)
ENUM_TO_STRING_CASE(VK_FORMAT_G8_B8_R8_3PLANE_444_UNORM)
ENUM_TO_STRING_CASE(VK_FORMAT_R10X6_UNORM_PACK16)
ENUM_TO_STRING_CASE(VK_FORMAT_R10X6G10X6_UNORM_2PACK16)
ENUM_TO_STRING_CASE(VK_FORMAT_R10X6G10X6B10X6A10X6_UNORM_4PACK16)
ENUM_TO_STRING_CASE(VK_FORMAT_G10X6B10X6G10X6R10X6_422_UNORM_4PACK16)
ENUM_TO_STRING_CASE(VK_FORMAT_B10X6G10X6R10X6G10X6_422_UNORM_4PACK16)
ENUM_TO_STRING_CASE(VK_FORMAT_G10X6_B10X6_R10X6_3PLANE_420_UNORM_3PACK16)
ENUM_TO_STRING_CASE(VK_FORMAT_G10X6_B10X6R10X6_2PLANE_420_UNORM_3PACK16)
ENUM_TO_STRING_CASE(VK_FORMAT_G10X6_B10X6_R10X6_3PLANE_422_UNORM_3PACK16)
ENUM_TO_STRING_CASE(VK_FORMAT_G10X6_B10X6R10X6_2PLANE_422_UNORM_3PACK16)
ENUM_TO_STRING_CASE(VK_FORMAT_G10X6_B10X6_R10X6_3PLANE_444_UNORM_3PACK16)
ENUM_TO_STRING_CASE(VK_FORMAT_R12X4_UNORM_PACK16)
ENUM_TO_STRING_CASE(VK_FORMAT_R12X4G12X4_UNORM_2PACK16)
ENUM_TO_STRING_CASE(VK_FORMAT_R12X4G12X4B12X4A12X4_UNORM_4PACK16)
ENUM_TO_STRING_CASE(VK_FORMAT_G12X4B12X4G12X4R12X4_422_UNORM_4PACK16)
ENUM_TO_STRING_CASE(VK_FORMAT_B12X4G12X4R12X4G12X4_422_UNORM_4PACK16)
ENUM_TO_STRING_CASE(VK_FORMAT_G12X4_B12X4_R12X4_3PLANE_420_UNORM_3PACK16)
ENUM_TO_STRING_CASE(VK_FORMAT_G12X4_B12X4R12X4_2PLANE_420_UNORM_3PACK16)
ENUM_TO_STRING_CASE(VK_FORMAT_G12X4_B12X4_R12X4_3PLANE_422_UNORM_3PACK16)
ENUM_TO_STRING_CASE(VK_FORMAT_G12X4_B12X4R12X4_2PLANE_422_UNORM_3PACK16)
ENUM_TO_STRING_CASE(VK_FORMAT_G12X4_B12X4_R12X4_3PLANE_444_UNORM_3PACK16)
ENUM_TO_STRING_CASE(VK_FORMAT_G16B16G16R16_422_UNORM)
ENUM_TO_STRING_CASE(VK_FORMAT_B16G16R16G16_422_UNORM)
ENUM_TO_STRING_CASE(VK_FORMAT_G16_B16_R16_3PLANE_420_UNORM)
ENUM_TO_STRING_CASE(VK_FORMAT_G16_B16R16_2PLANE_420_UNORM)
ENUM_TO_STRING_CASE(VK_FORMAT_G16_B16_R16_3PLANE_422_UNORM)
ENUM_TO_STRING_CASE(VK_FORMAT_G16_B16R16_2PLANE_422_UNORM)
ENUM_TO_STRING_CASE(VK_FORMAT_G16_B16_R16_3PLANE_444_UNORM)
ENUM_TO_STRING_CASE(VK_FORMAT_PVRTC1_2BPP_UNORM_BLOCK_IMG)
ENUM_TO_STRING_CASE(VK_FORMAT_PVRTC1_4BPP_UNORM_BLOCK_IMG)
ENUM_TO_STRING_CASE(VK_FORMAT_PVRTC2_2BPP_UNORM_BLOCK_IMG)
ENUM_TO_STRING_CASE(VK_FORMAT_PVRTC2_4BPP_UNORM_BLOCK_IMG)
ENUM_TO_STRING_CASE(VK_FORMAT_PVRTC1_2BPP_SRGB_BLOCK_IMG)
ENUM_TO_STRING_CASE(VK_FORMAT_PVRTC1_4BPP_SRGB_BLOCK_IMG)
ENUM_TO_STRING_CASE(VK_FORMAT_PVRTC2_2BPP_SRGB_BLOCK_IMG)
ENUM_TO_STRING_CASE(VK_FORMAT_PVRTC2_4BPP_SRGB_BLOCK_IMG)
ENUM_TO_STRING_CASE(VK_FORMAT_ASTC_4x4_SFLOAT_BLOCK_EXT)
ENUM_TO_STRING_CASE(VK_FORMAT_ASTC_5x4_SFLOAT_BLOCK_EXT)
ENUM_TO_STRING_CASE(VK_FORMAT_ASTC_5x5_SFLOAT_BLOCK_EXT)
ENUM_TO_STRING_CASE(VK_FORMAT_ASTC_6x5_SFLOAT_BLOCK_EXT)
ENUM_TO_STRING_CASE(VK_FORMAT_ASTC_6x6_SFLOAT_BLOCK_EXT)
ENUM_TO_STRING_CASE(VK_FORMAT_ASTC_8x5_SFLOAT_BLOCK_EXT)
ENUM_TO_STRING_CASE(VK_FORMAT_ASTC_8x6_SFLOAT_BLOCK_EXT)
ENUM_TO_STRING_CASE(VK_FORMAT_ASTC_8x8_SFLOAT_BLOCK_EXT)
ENUM_TO_STRING_CASE(VK_FORMAT_ASTC_10x5_SFLOAT_BLOCK_EXT)
ENUM_TO_STRING_CASE(VK_FORMAT_ASTC_10x6_SFLOAT_BLOCK_EXT)
ENUM_TO_STRING_CASE(VK_FORMAT_ASTC_10x8_SFLOAT_BLOCK_EXT)
ENUM_TO_STRING_CASE(VK_FORMAT_ASTC_10x10_SFLOAT_BLOCK_EXT)
ENUM_TO_STRING_CASE(VK_FORMAT_ASTC_12x10_SFLOAT_BLOCK_EXT)
ENUM_TO_STRING_CASE(VK_FORMAT_ASTC_12x12_SFLOAT_BLOCK_EXT)
ENUM_TO_STRING_CASE(VK_FORMAT_G8_B8R8_2PLANE_444_UNORM_EXT)
ENUM_TO_STRING_CASE(VK_FORMAT_G10X6_B10X6R10X6_2PLANE_444_UNORM_3PACK16_EXT)
ENUM_TO_STRING_CASE(VK_FORMAT_G12X4_B12X4R12X4_2PLANE_444_UNORM_3PACK16_EXT)
ENUM_TO_STRING_CASE(VK_FORMAT_G16_B16R16_2PLANE_444_UNORM_EXT)
ENUM_TO_STRING_CASE(VK_FORMAT_A4R4G4B4_UNORM_PACK16_EXT)
ENUM_TO_STRING_CASE(VK_FORMAT_A4B4G4R4_UNORM_PACK16_EXT)
ENUM_TO_STRING_CASE(VK_FORMAT_MAX_ENUM)
default: {
return String("Swapchain format ") + String::num_int64(int64_t(p_swapchain_format));
} break;
}
}

93
modules/openxr/extensions/openxr_vulkan_extension.h Normal file
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@ -0,0 +1,93 @@
/*************************************************************************/
/* 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"
// Forward declare these so we don't need OpenXR headers where-ever this is included
// Including OpenXR at this point gives loads and loads of compile issues especially
// on Windows because windows.h is EVIL and really shouldn't be included outside of platform
// but we really don't have a choice in the matter
struct XrGraphicsRequirementsVulkanKHR;
struct XrVulkanInstanceCreateInfoKHR;
struct XrVulkanGraphicsDeviceGetInfoKHR;
struct XrVulkanDeviceCreateInfoKHR;
struct XrGraphicsBindingVulkanKHR;
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);
virtual bool get_physical_device(VkPhysicalDevice *r_device);
virtual bool create_vulkan_device(const VkDeviceCreateInfo *p_device_create_info, VkDevice *r_device);
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, CameraMatrix &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;
VkPhysicalDevice vulkan_physical_device;
VkDevice vulkan_device;
uint32_t vulkan_queue_family_index;
uint32_t vulkan_queue_index;
XrResult xrGetVulkanGraphicsRequirements2KHR(XrInstance p_instance, XrSystemId p_system_id, XrGraphicsRequirementsVulkanKHR *p_graphics_requirements);
XrResult xrCreateVulkanInstanceKHR(XrInstance p_instance, const XrVulkanInstanceCreateInfoKHR *p_create_info, VkInstance *r_vulkan_instance, VkResult *r_vulkan_result);
XrResult xrGetVulkanGraphicsDevice2KHR(XrInstance p_instance, const XrVulkanGraphicsDeviceGetInfoKHR *p_get_info, VkPhysicalDevice *r_vulkan_physical_device);
XrResult xrCreateVulkanDeviceKHR(XrInstance p_instance, const XrVulkanDeviceCreateInfoKHR *p_create_info, VkDevice *r_device, VkResult *r_result);
};
#endif // !OPENXR_VULKAN_EXTENSION_H