diff options
Diffstat (limited to 'modules/openxr/openxr_api.cpp')
-rw-r--r-- | modules/openxr/openxr_api.cpp | 81 |
1 files changed, 72 insertions, 9 deletions
diff --git a/modules/openxr/openxr_api.cpp b/modules/openxr/openxr_api.cpp index 1ff1dac512..b652ca4617 100644 --- a/modules/openxr/openxr_api.cpp +++ b/modules/openxr/openxr_api.cpp @@ -45,10 +45,39 @@ #include "extensions/openxr_android_extension.h" #endif +// We need to have all the graphics API defines before the Vulkan or OpenGL +// extensions are included, otherwise we'll only get one graphics API. +#ifdef VULKAN_ENABLED +#define XR_USE_GRAPHICS_API_VULKAN +#endif +#ifdef GLES3_ENABLED +#ifdef ANDROID_ENABLED +#define XR_USE_GRAPHICS_API_OPENGL_ES +#include <EGL/egl.h> +#include <EGL/eglext.h> +#include <GLES3/gl3.h> +#include <GLES3/gl3ext.h> +#else +#define XR_USE_GRAPHICS_API_OPENGL +#endif // ANDROID_ENABLED +#ifdef X11_ENABLED +#include OPENGL_INCLUDE_H +#define GL_GLEXT_PROTOTYPES 1 +#define GL3_PROTOTYPES 1 +#include "thirdparty/glad/glad/gl.h" +#include "thirdparty/glad/glad/glx.h" +#include <X11/Xlib.h> +#endif // X11_ENABLED +#endif // GLES_ENABLED + #ifdef VULKAN_ENABLED #include "extensions/openxr_vulkan_extension.h" #endif +#ifdef GLES3_ENABLED +#include "extensions/openxr_opengl_extension.h" +#endif + #include "extensions/openxr_composition_layer_depth_extension.h" #include "extensions/openxr_fb_display_refresh_rate_extension.h" #include "extensions/openxr_fb_passthrough_extension_wrapper.h" @@ -269,9 +298,17 @@ bool OpenXRAPI::create_instance() { XR_CURRENT_API_VERSION // apiVersion }; + void *next_pointer = nullptr; + for (OpenXRExtensionWrapper *wrapper : registered_extension_wrappers) { + void *np = wrapper->set_instance_create_info_and_get_next_pointer(next_pointer); + if (np != nullptr) { + next_pointer = np; + } + } + XrInstanceCreateInfo instance_create_info = { XR_TYPE_INSTANCE_CREATE_INFO, // type - nullptr, // next + next_pointer, // next 0, // createFlags application_info, // applicationInfo 0, // enabledApiLayerCount, need to find out if we need support for this? @@ -691,7 +728,7 @@ bool OpenXRAPI::create_swapchains() { print_verbose(String("Using color swap chain format:") + get_swapchain_format_name(swapchain_format_to_use)); } - 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)) { + if (!create_swapchain(XR_SWAPCHAIN_USAGE_SAMPLED_BIT | XR_SWAPCHAIN_USAGE_COLOR_ATTACHMENT_BIT | XR_SWAPCHAIN_USAGE_MUTABLE_FORMAT_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; } } @@ -703,9 +740,10 @@ bool OpenXRAPI::create_swapchains() { ERR_FAIL_NULL_V_MSG(projection_views, false, "OpenXR Couldn't allocate memory for projection views"); // We create our depth swapchain if: + // - we've enabled submitting depth buffer // - we support our depth layer extension // - we have our spacewarp extension (not yet implemented) - if (OpenXRCompositionLayerDepthExtension::get_singleton()->is_available()) { + if (submit_depth_buffer && OpenXRCompositionLayerDepthExtension::get_singleton()->is_available()) { // Build a vector with swapchain formats we want to use, from best fit to worst Vector<int64_t> usable_swapchain_formats; int64_t swapchain_format_to_use = 0; @@ -753,13 +791,13 @@ bool OpenXRAPI::create_swapchains() { 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) { + if (submit_depth_buffer && 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.imageArrayIndex = i; 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; @@ -1029,6 +1067,30 @@ bool OpenXRAPI::on_state_exiting() { return true; } +void OpenXRAPI::set_form_factor(XrFormFactor p_form_factor) { + ERR_FAIL_COND(is_initialized()); + + form_factor = p_form_factor; +} + +void OpenXRAPI::set_view_configuration(XrViewConfigurationType p_view_configuration) { + ERR_FAIL_COND(is_initialized()); + + view_configuration = p_view_configuration; +} + +void OpenXRAPI::set_reference_space(XrReferenceSpaceType p_reference_space) { + ERR_FAIL_COND(is_initialized()); + + reference_space = p_reference_space; +} + +void OpenXRAPI::set_submit_depth_buffer(bool p_submit_depth_buffer) { + ERR_FAIL_COND(is_initialized()); + + submit_depth_buffer = p_submit_depth_buffer; +} + bool OpenXRAPI::is_initialized() { return (instance != XR_NULL_HANDLE); } @@ -1142,9 +1204,8 @@ bool OpenXRAPI::initialize(const String &p_rendering_driver) { #endif } else if (p_rendering_driver == "opengl3") { #ifdef GLES3_ENABLED - // graphics_extension = memnew(OpenXROpenGLExtension(this)); - // register_extension_wrapper(graphics_extension); - ERR_FAIL_V_MSG(false, "OpenXR: OpenGL is not supported at this time."); + graphics_extension = memnew(OpenXROpenGLExtension(this)); + register_extension_wrapper(graphics_extension); #else // shouldn't be possible... ERR_FAIL_V(false); @@ -1648,7 +1709,7 @@ RID OpenXRAPI::get_color_texture() { } RID OpenXRAPI::get_depth_texture() { - if (swapchains[OPENXR_SWAPCHAIN_DEPTH].image_acquired) { + if (submit_depth_buffer && 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(); @@ -1826,6 +1887,8 @@ OpenXRAPI::OpenXRAPI() { default: break; } + + submit_depth_buffer = GLOBAL_GET("xr/openxr/submit_depth_buffer"); } // reset a few things that can't be done in our class definition |