From c7656978ba66e1a90029c7e58ed757ff0a3c872f Mon Sep 17 00:00:00 2001 From: Bastiaan Olij Date: Thu, 1 Sep 2022 18:10:53 +1000 Subject: Adding getters to RenderTarget and implementing override functionality for XR --- modules/openxr/SCsub | 1 + .../openxr_composition_layer_depth_extension.cpp | 58 ++++++ .../openxr_composition_layer_depth_extension.h | 53 ++++++ .../extensions/openxr_composition_layer_provider.h | 1 + .../openxr/extensions/openxr_extension_wrapper.h | 3 +- .../openxr/extensions/openxr_vulkan_extension.cpp | 74 ++++---- .../openxr/extensions/openxr_vulkan_extension.h | 6 +- modules/openxr/openxr_api.cpp | 200 +++++++++++++++------ modules/openxr/openxr_api.h | 31 +++- modules/openxr/openxr_interface.cpp | 18 ++ modules/openxr/openxr_interface.h | 3 + 11 files changed, 340 insertions(+), 108 deletions(-) create mode 100644 modules/openxr/extensions/openxr_composition_layer_depth_extension.cpp create mode 100644 modules/openxr/extensions/openxr_composition_layer_depth_extension.h (limited to 'modules/openxr') diff --git a/modules/openxr/SCsub b/modules/openxr/SCsub index d4469b110b..5ac167ad98 100644 --- a/modules/openxr/SCsub +++ b/modules/openxr/SCsub @@ -92,6 +92,7 @@ if env["vulkan"]: env_openxr.add_source_files(module_obj, "extensions/openxr_vulkan_extension.cpp") env_openxr.add_source_files(module_obj, "extensions/openxr_palm_pose_extension.cpp") +env_openxr.add_source_files(module_obj, "extensions/openxr_composition_layer_depth_extension.cpp") env_openxr.add_source_files(module_obj, "extensions/openxr_htc_vive_tracker_extension.cpp") env_openxr.add_source_files(module_obj, "extensions/openxr_hand_tracking_extension.cpp") env_openxr.add_source_files(module_obj, "extensions/openxr_fb_passthrough_extension_wrapper.cpp") diff --git a/modules/openxr/extensions/openxr_composition_layer_depth_extension.cpp b/modules/openxr/extensions/openxr_composition_layer_depth_extension.cpp new file mode 100644 index 0000000000..0f6aaf8afb --- /dev/null +++ b/modules/openxr/extensions/openxr_composition_layer_depth_extension.cpp @@ -0,0 +1,58 @@ +/*************************************************************************/ +/* openxr_composition_layer_depth_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_composition_layer_depth_extension.h" + +OpenXRCompositionLayerDepthExtension *OpenXRCompositionLayerDepthExtension::singleton = nullptr; + +OpenXRCompositionLayerDepthExtension *OpenXRCompositionLayerDepthExtension::get_singleton() { + return singleton; +} + +OpenXRCompositionLayerDepthExtension::OpenXRCompositionLayerDepthExtension(OpenXRAPI *p_openxr_api) : + OpenXRExtensionWrapper(p_openxr_api) { + singleton = this; + + request_extensions[XR_KHR_COMPOSITION_LAYER_DEPTH_EXTENSION_NAME] = &available; +} + +OpenXRCompositionLayerDepthExtension::~OpenXRCompositionLayerDepthExtension() { + singleton = nullptr; +} + +bool OpenXRCompositionLayerDepthExtension::is_available() { + return available; +} + +XrCompositionLayerBaseHeader *OpenXRCompositionLayerDepthExtension::get_composition_layer() { + // Seems this is all done in our base layer... Just in case this changes... + + return nullptr; +} diff --git a/modules/openxr/extensions/openxr_composition_layer_depth_extension.h b/modules/openxr/extensions/openxr_composition_layer_depth_extension.h new file mode 100644 index 0000000000..9533783d83 --- /dev/null +++ b/modules/openxr/extensions/openxr_composition_layer_depth_extension.h @@ -0,0 +1,53 @@ +/*************************************************************************/ +/* openxr_composition_layer_depth_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_COMPOSITION_LAYER_DEPTH_EXTENSION_H +#define OPENXR_COMPOSITION_LAYER_DEPTH_EXTENSION_H + +#include "openxr_composition_layer_provider.h" +#include "openxr_extension_wrapper.h" + +class OpenXRCompositionLayerDepthExtension : public OpenXRExtensionWrapper, public OpenXRCompositionLayerProvider { +public: + static OpenXRCompositionLayerDepthExtension *get_singleton(); + + OpenXRCompositionLayerDepthExtension(OpenXRAPI *p_openxr_api); + virtual ~OpenXRCompositionLayerDepthExtension() override; + + bool is_available(); + virtual XrCompositionLayerBaseHeader *get_composition_layer() override; + +private: + static OpenXRCompositionLayerDepthExtension *singleton; + + bool available = false; +}; + +#endif // OPENXR_COMPOSITION_LAYER_DEPTH_EXTENSION_H diff --git a/modules/openxr/extensions/openxr_composition_layer_provider.h b/modules/openxr/extensions/openxr_composition_layer_provider.h index ba51389f7d..a4c4cbe0c6 100644 --- a/modules/openxr/extensions/openxr_composition_layer_provider.h +++ b/modules/openxr/extensions/openxr_composition_layer_provider.h @@ -31,6 +31,7 @@ #ifndef OPENXR_COMPOSITION_LAYER_PROVIDER_H #define OPENXR_COMPOSITION_LAYER_PROVIDER_H +#include "openxr_extension_wrapper.h" #include // Interface for OpenXR extensions that provide a composition layer. diff --git a/modules/openxr/extensions/openxr_extension_wrapper.h b/modules/openxr/extensions/openxr_extension_wrapper.h index 623c264e6e..c417c90d11 100644 --- a/modules/openxr/extensions/openxr_extension_wrapper.h +++ b/modules/openxr/extensions/openxr_extension_wrapper.h @@ -100,11 +100,12 @@ public: class OpenXRGraphicsExtensionWrapper : public OpenXRExtensionWrapper { public: virtual void get_usable_swapchain_formats(Vector &p_usable_swap_chains) = 0; + virtual void get_usable_depth_formats(Vector &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, Projection &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; + virtual RID get_texture(void *p_swapchain_graphics_data, int p_image_index) = 0; OpenXRGraphicsExtensionWrapper(OpenXRAPI *p_openxr_api) : OpenXRExtensionWrapper(p_openxr_api){}; diff --git a/modules/openxr/extensions/openxr_vulkan_extension.cpp b/modules/openxr/extensions/openxr_vulkan_extension.cpp index f9e771c934..cc171cc42a 100644 --- a/modules/openxr/extensions/openxr_vulkan_extension.cpp +++ b/modules/openxr/extensions/openxr_vulkan_extension.cpp @@ -228,6 +228,12 @@ void OpenXRVulkanExtension::get_usable_swapchain_formats(Vector &p_usab p_usable_swap_chains.push_back(VK_FORMAT_B8G8R8A8_UINT); } +void OpenXRVulkanExtension::get_usable_depth_formats(Vector &p_usable_swap_chains) { + p_usable_swap_chains.push_back(VK_FORMAT_R32_SFLOAT); + p_usable_swap_chains.push_back(VK_FORMAT_D24_UNORM_S8_UINT); + p_usable_swap_chains.push_back(VK_FORMAT_D32_SFLOAT_S8_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; @@ -271,7 +277,7 @@ bool OpenXRVulkanExtension::get_swapchain_image_data(XrSwapchain p_swapchain, in RenderingDevice::DataFormat format = RenderingDevice::DATA_FORMAT_R8G8B8A8_SRGB; RenderingDevice::TextureSamples samples = RenderingDevice::TEXTURE_SAMPLES_1; - uint64_t usage_flags = RenderingDevice::TEXTURE_USAGE_SAMPLING_BIT | RenderingDevice::TEXTURE_USAGE_COLOR_ATTACHMENT_BIT; + uint64_t usage_flags = RenderingDevice::TEXTURE_USAGE_SAMPLING_BIT; switch (p_swapchain_format) { case VK_FORMAT_R8G8B8A8_SRGB: @@ -283,16 +289,32 @@ bool OpenXRVulkanExtension::get_swapchain_image_data(XrSwapchain p_swapchain, in // will thus do an sRGB -> Linear conversion as expected. // format = RenderingDevice::DATA_FORMAT_R8G8B8A8_SRGB; format = RenderingDevice::DATA_FORMAT_R8G8B8A8_UNORM; + usage_flags |= RenderingDevice::TEXTURE_USAGE_COLOR_ATTACHMENT_BIT; break; case VK_FORMAT_B8G8R8A8_SRGB: // format = RenderingDevice::DATA_FORMAT_B8G8R8A8_SRGB; format = RenderingDevice::DATA_FORMAT_B8G8R8A8_UNORM; + usage_flags |= RenderingDevice::TEXTURE_USAGE_COLOR_ATTACHMENT_BIT; break; case VK_FORMAT_R8G8B8A8_UINT: format = RenderingDevice::DATA_FORMAT_R8G8B8A8_UINT; + usage_flags |= RenderingDevice::TEXTURE_USAGE_COLOR_ATTACHMENT_BIT; break; case VK_FORMAT_B8G8R8A8_UINT: format = RenderingDevice::DATA_FORMAT_B8G8R8A8_UINT; + usage_flags |= RenderingDevice::TEXTURE_USAGE_COLOR_ATTACHMENT_BIT; + break; + case VK_FORMAT_R32_SFLOAT: + format = RenderingDevice::DATA_FORMAT_R32_SFLOAT; + usage_flags |= RenderingDevice::TEXTURE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT; + break; + case VK_FORMAT_D24_UNORM_S8_UINT: + format = RenderingDevice::DATA_FORMAT_D24_UNORM_S8_UINT; + usage_flags |= RenderingDevice::TEXTURE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT; + break; + case VK_FORMAT_D32_SFLOAT_S8_UINT: + format = RenderingDevice::DATA_FORMAT_D32_SFLOAT_S8_UINT; + usage_flags |= RenderingDevice::TEXTURE_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT; break; default: // continue with our default value @@ -328,8 +350,7 @@ bool OpenXRVulkanExtension::get_swapchain_image_data(XrSwapchain p_swapchain, in break; } - Vector image_rids; - Vector framebuffers; + Vector texture_rids; // create Godot texture objects for each entry in our swapchain for (uint64_t i = 0; i < swapchain_length; i++) { @@ -344,19 +365,10 @@ bool OpenXRVulkanExtension::get_swapchain_image_data(XrSwapchain p_swapchain, in 1, p_array_size); - image_rids.push_back(image_rid); - - { - Vector 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); - } + texture_rids.push_back(image_rid); } - data->image_rids = image_rids; - data->framebuffers = framebuffers; + data->texture_rids = texture_rids; memfree(images); @@ -377,26 +389,12 @@ bool OpenXRVulkanExtension::create_projection_fov(const XrFovf p_fov, double p_z return true; } -bool OpenXRVulkanExtension::copy_render_target_to_image(RID p_from_render_target, void *p_swapchain_graphics_data, int p_image_index) { +RID OpenXRVulkanExtension::get_texture(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(data, RID()); - RID source_image = RendererRD::TextureStorage::get_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. - RendererRD::CopyEffects *copy_effects = RendererRD::CopyEffects::get_singleton(); - ERR_FAIL_NULL_V(copy_effects, false); - copy_effects->copy_to_fb_rect(source_image, fb, Rect2i(), false, false, false, false, depth_image, data->is_multiview); - - return true; + ERR_FAIL_INDEX_V(p_image_index, data->texture_rids.size(), RID()); + return data->texture_rids[p_image_index]; } void OpenXRVulkanExtension::cleanup_swapchain_graphics_data(void **p_swapchain_graphics_data) { @@ -411,17 +409,11 @@ void OpenXRVulkanExtension::cleanup_swapchain_graphics_data(void **p_swapchain_g 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++) { + for (int i = 0; i < data->texture_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->framebuffers[i]); + rendering_device->free(data->texture_rids[i]); } - data->framebuffers.clear(); + data->texture_rids.clear(); memdelete(data); *p_swapchain_graphics_data = nullptr; diff --git a/modules/openxr/extensions/openxr_vulkan_extension.h b/modules/openxr/extensions/openxr_vulkan_extension.h index d6e9917900..71abe3b166 100644 --- a/modules/openxr/extensions/openxr_vulkan_extension.h +++ b/modules/openxr/extensions/openxr_vulkan_extension.h @@ -69,11 +69,12 @@ public: virtual bool create_vulkan_device(const VkDeviceCreateInfo *p_device_create_info, VkDevice *r_device) override; virtual void get_usable_swapchain_formats(Vector &p_usable_swap_chains) override; + virtual void get_usable_depth_formats(Vector &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; + virtual RID get_texture(void *p_swapchain_graphics_data, int p_image_index) override; private: static OpenXRVulkanExtension *singleton; @@ -81,8 +82,7 @@ private: struct SwapchainGraphicsData { bool is_multiview; - Vector image_rids; - Vector framebuffers; + Vector texture_rids; }; bool check_graphics_api_support(XrVersion p_desired_version); diff --git a/modules/openxr/openxr_api.cpp b/modules/openxr/openxr_api.cpp index 16879ac4e5..8a69072793 100644 --- a/modules/openxr/openxr_api.cpp +++ b/modules/openxr/openxr_api.cpp @@ -49,6 +49,7 @@ #include "extensions/openxr_vulkan_extension.h" #endif +#include "extensions/openxr_composition_layer_depth_extension.h" #include "extensions/openxr_fb_passthrough_extension_wrapper.h" #include "extensions/openxr_hand_tracking_extension.h" #include "extensions/openxr_htc_vive_tracker_extension.h" @@ -663,7 +664,7 @@ bool OpenXRAPI::is_swapchain_format_supported(int64_t p_swapchain_format) { return false; } -bool OpenXRAPI::create_main_swapchain() { +bool OpenXRAPI::create_swapchains() { ERR_FAIL_NULL_V(graphics_extension, false); ERR_FAIL_COND_V(session == XR_NULL_HANDLE, false); @@ -681,34 +682,36 @@ bool OpenXRAPI::create_main_swapchain() { already rendering the next frame. Finally an area we need to expand upon is that Foveated rendering is only enabled for the swap chain we create, - as we render 3D content into internal buffers that are copied into the swapchain, we don't get any of the performance gains - until such time as we implement VRS. + as we render 3D content into internal buffers that are copied into the swapchain, we do now have (basic) VRS support */ - // Build a vector with swapchain formats we want to use, from best fit to worst - Vector usable_swapchain_formats; - int64_t swapchain_format_to_use = 0; + Size2 recommended_size = get_recommended_target_size(); - graphics_extension->get_usable_swapchain_formats(usable_swapchain_formats); + // We start with our color swapchain... + { + // Build a vector with swapchain formats we want to use, from best fit to worst + Vector usable_swapchain_formats; + int64_t swapchain_format_to_use = 0; - // now find out which one is supported - for (int i = 0; i < usable_swapchain_formats.size() && swapchain_format_to_use == 0; i++) { - if (is_swapchain_format_supported(usable_swapchain_formats[i])) { - swapchain_format_to_use = usable_swapchain_formats[i]; - } - } + graphics_extension->get_usable_swapchain_formats(usable_swapchain_formats); - if (swapchain_format_to_use == 0) { - swapchain_format_to_use = usable_swapchain_formats[0]; // just use the first one and hope for the best... - print_line("Couldn't find usable swap chain format, using", get_swapchain_format_name(swapchain_format_to_use), "instead."); - } else { - print_line("Using swap chain format:", get_swapchain_format_name(swapchain_format_to_use)); - } + // now find out which one is supported + for (int i = 0; i < usable_swapchain_formats.size() && swapchain_format_to_use == 0; i++) { + if (is_swapchain_format_supported(usable_swapchain_formats[i])) { + swapchain_format_to_use = usable_swapchain_formats[i]; + } + } - Size2 recommended_size = get_recommended_target_size(); + if (swapchain_format_to_use == 0) { + swapchain_format_to_use = usable_swapchain_formats[0]; // just use the first one and hope for the best... + print_line("Couldn't find usable color swap chain format, using", get_swapchain_format_name(swapchain_format_to_use), "instead."); + } else { + print_line("Using color swap chain format:", get_swapchain_format_name(swapchain_format_to_use)); + } - if (!create_swapchain(swapchain_format_to_use, recommended_size.width, recommended_size.height, view_configuration_views[0].recommendedSwapchainSampleCount, view_count, swapchain, &swapchain_graphics_data)) { - return false; + if (!create_swapchain(XR_SWAPCHAIN_USAGE_SAMPLED_BIT | XR_SWAPCHAIN_USAGE_COLOR_ATTACHMENT_BIT, swapchain_format_to_use, recommended_size.width, recommended_size.height, view_configuration_views[0].recommendedSwapchainSampleCount, view_count, swapchains[OPENXR_SWAPCHAIN_COLOR].swapchain, &swapchains[OPENXR_SWAPCHAIN_COLOR].swapchain_graphics_data)) { + return false; + } } views = (XrView *)memalloc(sizeof(XrView) * view_count); @@ -717,18 +720,73 @@ bool OpenXRAPI::create_main_swapchain() { projection_views = (XrCompositionLayerProjectionView *)memalloc(sizeof(XrCompositionLayerProjectionView) * view_count); ERR_FAIL_NULL_V_MSG(projection_views, false, "OpenXR Couldn't allocate memory for projection views"); + // We create our depth swapchain if: + // - we support our depth layer extension + // - we have our spacewarp extension (not yet implemented) + if (OpenXRCompositionLayerDepthExtension::get_singleton()->is_available()) { + // Build a vector with swapchain formats we want to use, from best fit to worst + Vector usable_swapchain_formats; + int64_t swapchain_format_to_use = 0; + + graphics_extension->get_usable_depth_formats(usable_swapchain_formats); + + // now find out which one is supported + for (int i = 0; i < usable_swapchain_formats.size() && swapchain_format_to_use == 0; i++) { + if (is_swapchain_format_supported(usable_swapchain_formats[i])) { + swapchain_format_to_use = usable_swapchain_formats[i]; + } + } + + if (swapchain_format_to_use == 0) { + swapchain_format_to_use = usable_swapchain_formats[0]; // just use the first one and hope for the best... + print_line("Couldn't find usable depth swap chain format, using", get_swapchain_format_name(swapchain_format_to_use), "instead."); + } else { + print_line("Using depth swap chain format:", get_swapchain_format_name(swapchain_format_to_use)); + } + + if (!create_swapchain(XR_SWAPCHAIN_USAGE_SAMPLED_BIT | XR_SWAPCHAIN_USAGE_DEPTH_STENCIL_ATTACHMENT_BIT, swapchain_format_to_use, recommended_size.width, recommended_size.height, view_configuration_views[0].recommendedSwapchainSampleCount, view_count, swapchains[OPENXR_SWAPCHAIN_DEPTH].swapchain, &swapchains[OPENXR_SWAPCHAIN_DEPTH].swapchain_graphics_data)) { + return false; + } + + depth_views = (XrCompositionLayerDepthInfoKHR *)memalloc(sizeof(XrCompositionLayerDepthInfoKHR) * view_count); + ERR_FAIL_NULL_V_MSG(depth_views, false, "OpenXR Couldn't allocate memory for depth views"); + } + + // We create our velocity swapchain if: + // - we have our spacewarp extension (not yet implemented) + { + // TBD + } + for (uint32_t i = 0; i < view_count; i++) { views[i].type = XR_TYPE_VIEW; views[i].next = nullptr; projection_views[i].type = XR_TYPE_COMPOSITION_LAYER_PROJECTION_VIEW; projection_views[i].next = nullptr; - projection_views[i].subImage.swapchain = swapchain; + projection_views[i].subImage.swapchain = swapchains[OPENXR_SWAPCHAIN_COLOR].swapchain; projection_views[i].subImage.imageArrayIndex = i; projection_views[i].subImage.imageRect.offset.x = 0; projection_views[i].subImage.imageRect.offset.y = 0; projection_views[i].subImage.imageRect.extent.width = recommended_size.width; projection_views[i].subImage.imageRect.extent.height = recommended_size.height; + + if (OpenXRCompositionLayerDepthExtension::get_singleton()->is_available() && depth_views) { + projection_views[i].next = &depth_views[i]; + + depth_views[i].type = XR_TYPE_COMPOSITION_LAYER_DEPTH_INFO_KHR; + depth_views[i].next = nullptr; + depth_views[i].subImage.swapchain = swapchains[OPENXR_SWAPCHAIN_DEPTH].swapchain; + depth_views[i].subImage.imageArrayIndex = 0; + depth_views[i].subImage.imageRect.offset.x = 0; + depth_views[i].subImage.imageRect.offset.y = 0; + depth_views[i].subImage.imageRect.extent.width = recommended_size.width; + depth_views[i].subImage.imageRect.extent.height = recommended_size.height; + depth_views[i].minDepth = 0.0; + depth_views[i].maxDepth = 1.0; + depth_views[i].nearZ = 0.01; // Near and far Z will be set to the correct values in fill_projection_matrix + depth_views[i].farZ = 100.0; + } }; return true; @@ -740,7 +798,7 @@ void OpenXRAPI::destroy_session() { } if (graphics_extension) { - graphics_extension->cleanup_swapchain_graphics_data(&swapchain_graphics_data); + graphics_extension->cleanup_swapchain_graphics_data(&swapchains[OPENXR_SWAPCHAIN_COLOR].swapchain_graphics_data); } if (views != nullptr) { @@ -753,9 +811,16 @@ void OpenXRAPI::destroy_session() { projection_views = nullptr; } - if (swapchain != XR_NULL_HANDLE) { - xrDestroySwapchain(swapchain); - swapchain = XR_NULL_HANDLE; + if (depth_views != nullptr) { + memfree(depth_views); + depth_views = nullptr; + } + + for (int i = 0; i < OPENXR_SWAPCHAIN_MAX; i++) { + if (swapchains[i].swapchain != XR_NULL_HANDLE) { + xrDestroySwapchain(swapchains[i].swapchain); + swapchains[i].swapchain = XR_NULL_HANDLE; + } } if (supported_swapchain_formats != nullptr) { @@ -789,7 +854,7 @@ void OpenXRAPI::destroy_session() { } } -bool OpenXRAPI::create_swapchain(int64_t p_swapchain_format, uint32_t p_width, uint32_t p_height, uint32_t p_sample_count, uint32_t p_array_size, XrSwapchain &r_swapchain, void **r_swapchain_graphics_data) { +bool OpenXRAPI::create_swapchain(XrSwapchainUsageFlags p_usage_flags, int64_t p_swapchain_format, uint32_t p_width, uint32_t p_height, uint32_t p_sample_count, uint32_t p_array_size, XrSwapchain &r_swapchain, void **r_swapchain_graphics_data) { ERR_FAIL_COND_V(session == XR_NULL_HANDLE, false); ERR_FAIL_NULL_V(graphics_extension, false); @@ -807,7 +872,7 @@ bool OpenXRAPI::create_swapchain(int64_t p_swapchain_format, uint32_t p_width, u XR_TYPE_SWAPCHAIN_CREATE_INFO, // type next_pointer, // next 0, // createFlags - XR_SWAPCHAIN_USAGE_SAMPLED_BIT | XR_SWAPCHAIN_USAGE_COLOR_ATTACHMENT_BIT, // usageFlags + p_usage_flags, // usageFlags p_swapchain_format, // format p_sample_count, // sampleCount p_width, // width @@ -871,7 +936,7 @@ bool OpenXRAPI::on_state_ready() { // That will be very very ugly // The other possibility is to create a separate OpenXRViewport type specifically for this goal as part of our OpenXR module - if (!create_main_swapchain()) { + if (!create_swapchains()) { return false; } @@ -1304,6 +1369,15 @@ bool OpenXRAPI::get_view_projection(uint32_t p_view, double p_z_near, double p_z return false; } + // if we're using depth views, make sure we update our near and far there... + if (depth_views != nullptr) { + for (uint32_t i = 0; i < view_count; i++) { + depth_views[i].nearZ = p_z_near; + depth_views[i].farZ = p_z_far; + } + } + + // now update our projection return graphics_extension->create_projection_fov(views[p_view].fov, p_z_near, p_z_far, p_camera_matrix); } @@ -1442,15 +1516,15 @@ bool OpenXRAPI::process() { return true; } -bool OpenXRAPI::acquire_image(XrSwapchain p_swapchain, uint32_t &r_image_index) { - ERR_FAIL_COND_V(image_acquired, true); // this was not released when it should be, error out and re-use... +bool OpenXRAPI::acquire_image(OpenXRSwapChainInfo &p_swapchain) { + ERR_FAIL_COND_V(p_swapchain.image_acquired, true); // this was not released when it should be, error out and re-use... XrResult result; XrSwapchainImageAcquireInfo swapchain_image_acquire_info = { XR_TYPE_SWAPCHAIN_IMAGE_ACQUIRE_INFO, // type nullptr // next }; - result = xrAcquireSwapchainImage(p_swapchain, &swapchain_image_acquire_info, &r_image_index); + result = xrAcquireSwapchainImage(p_swapchain.swapchain, &swapchain_image_acquire_info, &p_swapchain.image_index); if (XR_FAILED(result)) { print_line("OpenXR: failed to acquire swapchain image [", get_error_string(result), "]"); return false; @@ -1462,7 +1536,7 @@ bool OpenXRAPI::acquire_image(XrSwapchain p_swapchain, uint32_t &r_image_index) 17000000 // timeout in nanoseconds }; - result = xrWaitSwapchainImage(p_swapchain, &swapchain_image_wait_info); + result = xrWaitSwapchainImage(p_swapchain.swapchain, &swapchain_image_wait_info); if (XR_FAILED(result)) { print_line("OpenXR: failed to wait for swapchain image [", get_error_string(result), "]"); return false; @@ -1471,12 +1545,12 @@ bool OpenXRAPI::acquire_image(XrSwapchain p_swapchain, uint32_t &r_image_index) return true; } -bool OpenXRAPI::release_image(XrSwapchain p_swapchain) { +bool OpenXRAPI::release_image(OpenXRSwapChainInfo &p_swapchain) { XrSwapchainImageReleaseInfo swapchain_image_release_info = { XR_TYPE_SWAPCHAIN_IMAGE_RELEASE_INFO, // type nullptr // next }; - XrResult result = xrReleaseSwapchainImage(swapchain, &swapchain_image_release_info); + XrResult result = xrReleaseSwapchainImage(p_swapchain.swapchain, &swapchain_image_release_info); if (XR_FAILED(result)) { print_line("OpenXR: failed to release swapchain image! [", get_error_string(result), "]"); return false; @@ -1590,28 +1664,41 @@ bool OpenXRAPI::pre_draw_viewport(RID p_render_target) { // TODO: at some point in time we may support multiple viewports in which case we need to handle that... + // Acquire our images + for (int i = 0; i < OPENXR_SWAPCHAIN_MAX; i++) { + if (!swapchains[i].image_acquired && swapchains[i].swapchain != XR_NULL_HANDLE) { + if (!acquire_image(swapchains[i])) { + return false; + } + swapchains[i].image_acquired = true; + } + } + return true; } +RID OpenXRAPI::get_color_texture() { + if (swapchains[OPENXR_SWAPCHAIN_COLOR].image_acquired) { + return graphics_extension->get_texture(swapchains[OPENXR_SWAPCHAIN_COLOR].swapchain_graphics_data, swapchains[OPENXR_SWAPCHAIN_COLOR].image_index); + } else { + return RID(); + } +} + +RID OpenXRAPI::get_depth_texture() { + if (swapchains[OPENXR_SWAPCHAIN_DEPTH].image_acquired) { + return graphics_extension->get_texture(swapchains[OPENXR_SWAPCHAIN_DEPTH].swapchain_graphics_data, swapchains[OPENXR_SWAPCHAIN_DEPTH].image_index); + } else { + return RID(); + } +} + void OpenXRAPI::post_draw_viewport(RID p_render_target) { if (!can_render()) { return; } - // TODO: at some point in time we may support multiple viewports in which case we need to handle that... - - // TODO: if we can get PR 51179 to work properly we can change away from this approach and move this into get_external_texture or something - if (!image_acquired) { - if (!acquire_image(swapchain, image_index)) { - return; - } - image_acquired = true; - - // print_line("OpenXR: acquired image " + itos(image_index) + ", copying..."); - - // Copy our buffer into our swap chain (remove once PR 51179 is done) - graphics_extension->copy_render_target_to_image(p_render_target, swapchain_graphics_data, image_index); - } + // Nothing to do here at this point in time... }; void OpenXRAPI::end_frame() { @@ -1623,7 +1710,7 @@ void OpenXRAPI::end_frame() { return; } - if (frame_state.shouldRender && view_pose_valid && !image_acquired) { + if (frame_state.shouldRender && view_pose_valid && !swapchains[OPENXR_SWAPCHAIN_COLOR].image_acquired) { print_line("OpenXR: No viewport was marked with use_xr, there is no rendered output!"); } @@ -1631,7 +1718,7 @@ void OpenXRAPI::end_frame() { // - shouldRender set to true // - a valid view pose for projection_views[eye].pose to submit layer // - an image to render - if (!frame_state.shouldRender || !view_pose_valid || !image_acquired) { + if (!frame_state.shouldRender || !view_pose_valid || !swapchains[OPENXR_SWAPCHAIN_COLOR].image_acquired) { // submit 0 layers when we shouldn't render XrFrameEndInfo frame_end_info = { XR_TYPE_FRAME_END_INFO, // type @@ -1652,10 +1739,12 @@ void OpenXRAPI::end_frame() { } // release our swapchain image if we acquired it - if (image_acquired) { - image_acquired = false; // whether we succeed or not, consider this released. + for (int i = 0; i < OPENXR_SWAPCHAIN_MAX; i++) { + if (swapchains[i].image_acquired) { + swapchains[i].image_acquired = false; // whether we succeed or not, consider this released. - release_image(swapchain); + release_image(swapchains[i]); + } } for (uint32_t eye = 0; eye < view_count; eye++) { @@ -1763,6 +1852,7 @@ OpenXRAPI::OpenXRAPI() { // register our other extensions register_extension_wrapper(memnew(OpenXRPalmPoseExtension(this))); + register_extension_wrapper(memnew(OpenXRCompositionLayerDepthExtension(this))); register_extension_wrapper(memnew(OpenXRHTCViveTrackerExtension(this))); register_extension_wrapper(memnew(OpenXRHandTrackingExtension(this))); register_extension_wrapper(memnew(OpenXRFbPassthroughExtensionWrapper(this))); diff --git a/modules/openxr/openxr_api.h b/modules/openxr/openxr_api.h index 316886239e..bd69432dcb 100644 --- a/modules/openxr/openxr_api.h +++ b/modules/openxr/openxr_api.h @@ -120,15 +120,28 @@ private: OpenXRGraphicsExtensionWrapper *graphics_extension = nullptr; XrSystemGraphicsProperties graphics_properties; - void *swapchain_graphics_data = nullptr; - uint32_t image_index = 0; - bool image_acquired = false; uint32_t view_count = 0; XrViewConfigurationView *view_configuration_views = nullptr; XrView *views = nullptr; XrCompositionLayerProjectionView *projection_views = nullptr; - XrSwapchain swapchain = XR_NULL_HANDLE; + XrCompositionLayerDepthInfoKHR *depth_views = nullptr; // Only used by Composition Layer Depth Extension if available + + enum OpenXRSwapChainTypes { + OPENXR_SWAPCHAIN_COLOR, + OPENXR_SWAPCHAIN_DEPTH, + // OPENXR_SWAPCHAIN_VELOCITY, + OPENXR_SWAPCHAIN_MAX + }; + + struct OpenXRSwapChainInfo { + XrSwapchain swapchain = XR_NULL_HANDLE; + void *swapchain_graphics_data = nullptr; + uint32_t image_index = 0; + bool image_acquired = false; + }; + + OpenXRSwapChainInfo swapchains[OPENXR_SWAPCHAIN_MAX]; XrSpace play_space = XR_NULL_HANDLE; XrSpace view_space = XR_NULL_HANDLE; @@ -212,13 +225,13 @@ private: bool setup_spaces(); bool load_supported_swapchain_formats(); bool is_swapchain_format_supported(int64_t p_swapchain_format); - bool create_main_swapchain(); + bool create_swapchains(); void destroy_session(); // swapchains - bool create_swapchain(int64_t p_swapchain_format, uint32_t p_width, uint32_t p_height, uint32_t p_sample_count, uint32_t p_array_size, XrSwapchain &r_swapchain, void **r_swapchain_graphics_data); - bool acquire_image(XrSwapchain p_swapchain, uint32_t &r_image_index); - bool release_image(XrSwapchain p_swapchain); + bool create_swapchain(XrSwapchainUsageFlags p_usage_flags, int64_t p_swapchain_format, uint32_t p_width, uint32_t p_height, uint32_t p_sample_count, uint32_t p_array_size, XrSwapchain &r_swapchain, void **r_swapchain_graphics_data); + bool acquire_image(OpenXRSwapChainInfo &p_swapchain); + bool release_image(OpenXRSwapChainInfo &p_swapchain); // action map struct Tracker { // Trackers represent tracked physical objects such as controllers, pucks, etc. @@ -318,6 +331,8 @@ public: void pre_render(); bool pre_draw_viewport(RID p_render_target); + RID get_color_texture(); + RID get_depth_texture(); void post_draw_viewport(RID p_render_target); void end_frame(); diff --git a/modules/openxr/openxr_interface.cpp b/modules/openxr/openxr_interface.cpp index 01e148e00f..31dc2bbf43 100644 --- a/modules/openxr/openxr_interface.cpp +++ b/modules/openxr/openxr_interface.cpp @@ -648,6 +648,22 @@ Projection OpenXRInterface::get_projection_for_view(uint32_t p_view, double p_as return cm; } +RID OpenXRInterface::get_color_texture() { + if (openxr_api) { + return openxr_api->get_color_texture(); + } else { + return RID(); + } +} + +RID OpenXRInterface::get_depth_texture() { + if (openxr_api) { + return openxr_api->get_depth_texture(); + } else { + return RID(); + } +} + void OpenXRInterface::process() { if (openxr_api) { // do our normal process @@ -707,6 +723,7 @@ bool OpenXRInterface::pre_draw_viewport(RID p_render_target) { Vector OpenXRInterface::post_draw_viewport(RID p_render_target, const Rect2 &p_screen_rect) { Vector blit_to_screen; +#ifndef ANDROID_ENABLED // If separate HMD we should output one eye to screen if (p_screen_rect != Rect2()) { BlitToScreen blit; @@ -732,6 +749,7 @@ Vector OpenXRInterface::post_draw_viewport(RID p_render_target, co blit.dst_rect = dst_rect; blit_to_screen.push_back(blit); } +#endif if (openxr_api) { openxr_api->post_draw_viewport(p_render_target); diff --git a/modules/openxr/openxr_interface.h b/modules/openxr/openxr_interface.h index 3765f18637..72935b039c 100644 --- a/modules/openxr/openxr_interface.h +++ b/modules/openxr/openxr_interface.h @@ -126,6 +126,9 @@ public: virtual Transform3D get_transform_for_view(uint32_t p_view, const Transform3D &p_cam_transform) override; virtual Projection get_projection_for_view(uint32_t p_view, double p_aspect, double p_z_near, double p_z_far) override; + virtual RID get_color_texture() override; + virtual RID get_depth_texture() override; + virtual void process() override; virtual void pre_render() override; bool pre_draw_viewport(RID p_render_target) override; -- cgit v1.2.3