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Diffstat (limited to 'servers/xr/xr_interface_extension.cpp')
| -rw-r--r-- | servers/xr/xr_interface_extension.cpp | 241 |
1 files changed, 241 insertions, 0 deletions
diff --git a/servers/xr/xr_interface_extension.cpp b/servers/xr/xr_interface_extension.cpp new file mode 100644 index 0000000000..e1519d1463 --- /dev/null +++ b/servers/xr/xr_interface_extension.cpp @@ -0,0 +1,241 @@ +/*************************************************************************/ +/* xr_interface_extension.cpp */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2021 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 "xr_interface_extension.h" +#include "servers/rendering/renderer_compositor.h" + +void XRInterfaceExtension::_bind_methods() { + GDVIRTUAL_BIND(_get_name); + GDVIRTUAL_BIND(_get_capabilities); + + GDVIRTUAL_BIND(_is_initialized); + GDVIRTUAL_BIND(_initialize); + GDVIRTUAL_BIND(_uninitialize); + + GDVIRTUAL_BIND(_get_tracking_status); + + ClassDB::bind_method(D_METHOD("add_blit", "render_target", "rect", "use_layer", "layer", "apply_lens_distortion", "eye_center", "k1", "k2", "upscale", "aspect_ratio"), &XRInterfaceExtension::add_blit); + + GDVIRTUAL_BIND(_get_render_target_size); + GDVIRTUAL_BIND(_get_view_count); + GDVIRTUAL_BIND(_get_camera_transform); + GDVIRTUAL_BIND(_get_transform_for_view, "view", "cam_transform"); + GDVIRTUAL_BIND(_get_projection_for_view, "view", "aspect", "z_near", "z_far"); + + GDVIRTUAL_BIND(_commit_views); + + GDVIRTUAL_BIND(_process); + GDVIRTUAL_BIND(_notification, "what"); + + // we don't have any properties specific to VR yet.... + + // but we do have properties specific to AR.... + GDVIRTUAL_BIND(_get_anchor_detection_is_enabled); + GDVIRTUAL_BIND(_set_anchor_detection_is_enabled, "enabled"); + GDVIRTUAL_BIND(_get_camera_feed_id); +} + +StringName XRInterfaceExtension::get_name() const { + StringName name; + + if (GDVIRTUAL_CALL(_get_name, name)) { + return name; + } + + return "Unknown"; +} + +uint32_t XRInterfaceExtension::get_capabilities() const { + uint32_t capabilities; + + if (GDVIRTUAL_CALL(_get_capabilities, capabilities)) { + return capabilities; + } + + return 0; +} + +bool XRInterfaceExtension::is_initialized() const { + bool initialised = false; + + if (GDVIRTUAL_CALL(_is_initialized, initialised)) { + return initialised; + } + + return false; +} + +bool XRInterfaceExtension::initialize() { + bool initialised = false; + + if (GDVIRTUAL_CALL(_initialize, initialised)) { + return initialised; + } + + return false; +} + +void XRInterfaceExtension::uninitialize() { + GDVIRTUAL_CALL(_uninitialize); +} + +XRInterface::TrackingStatus XRInterfaceExtension::get_tracking_status() const { + uint32_t status; + + if (GDVIRTUAL_CALL(_get_tracking_status, status)) { + return TrackingStatus(status); + } + + return XR_UNKNOWN_TRACKING; +} + +/** these will only be implemented on AR interfaces, so we want dummies for VR **/ +bool XRInterfaceExtension::get_anchor_detection_is_enabled() const { + bool enabled; + + if (GDVIRTUAL_CALL(_get_anchor_detection_is_enabled, enabled)) { + return enabled; + } + + return false; +} + +void XRInterfaceExtension::set_anchor_detection_is_enabled(bool p_enable) { + // don't do anything here, this needs to be implemented on AR interface to enable/disable things like plane detection etc. + GDVIRTUAL_CALL(_set_anchor_detection_is_enabled, p_enable); +} + +int XRInterfaceExtension::get_camera_feed_id() { + int feed_id; + + if (GDVIRTUAL_CALL(_get_camera_feed_id, feed_id)) { + return feed_id; + } + + return 0; +} + +Size2 XRInterfaceExtension::get_render_target_size() { + Size2 size; + + if (GDVIRTUAL_CALL(_get_render_target_size, size)) { + return size; + } + + return Size2(0, 0); +} + +uint32_t XRInterfaceExtension::get_view_count() { + uint32_t view_count; + + if (GDVIRTUAL_CALL(_get_view_count, view_count)) { + return view_count; + } + + return 1; +} + +Transform3D XRInterfaceExtension::get_camera_transform() { + Transform3D transform; + + if (GDVIRTUAL_CALL(_get_camera_transform, transform)) { + return transform; + } + + return Transform3D(); +} + +Transform3D XRInterfaceExtension::get_transform_for_view(uint32_t p_view, const Transform3D &p_cam_transform) { + Transform3D transform; + + if (GDVIRTUAL_CALL(_get_transform_for_view, p_view, p_cam_transform, transform)) { + return transform; + } + + return Transform3D(); +} + +CameraMatrix XRInterfaceExtension::get_projection_for_view(uint32_t p_view, real_t p_aspect, real_t p_z_near, real_t p_z_far) { + CameraMatrix cm; + PackedFloat64Array arr; + + if (GDVIRTUAL_CALL(_get_projection_for_view, p_view, p_aspect, p_z_near, p_z_far, arr)) { + ERR_FAIL_COND_V_MSG(arr.size() != 16, CameraMatrix(), "Projection matrix must contain 16 floats"); + real_t *m = (real_t *)cm.matrix; + for (int i = 0; i < 16; i++) { + m[i] = arr[i]; + } + return cm; + } + + return CameraMatrix(); +} + +void XRInterfaceExtension::add_blit(RID p_render_target, Rect2i p_rect, bool p_use_layer, uint32_t p_layer, bool p_apply_lens_distortion, Vector2 p_eye_center, float p_k1, float p_k2, float p_upscale, float p_aspect_ratio) { + BlitToScreen blit; + + ERR_FAIL_COND_MSG(!can_add_blits, "add_blit can only be called from an XR plugin from within _commit_views!"); + + blit.render_target = p_render_target; + blit.rect = p_rect; + + blit.multi_view.use_layer = p_use_layer; + blit.multi_view.layer = p_layer; + + blit.lens_distortion.apply = p_apply_lens_distortion; + blit.lens_distortion.eye_center = p_eye_center; + blit.lens_distortion.k1 = p_k1; + blit.lens_distortion.k2 = p_k2; + blit.lens_distortion.upscale = p_upscale; + blit.lens_distortion.aspect_ratio = p_aspect_ratio; + + blits.push_back(blit); +} + +Vector<BlitToScreen> XRInterfaceExtension::commit_views(RID p_render_target, const Rect2 &p_screen_rect) { + // This is just so our XR plugin can add blits... + blits.clear(); + can_add_blits = true; + + if (GDVIRTUAL_CALL(_commit_views, p_render_target, p_screen_rect)) { + return blits; + } + + can_add_blits = false; + return blits; +} + +void XRInterfaceExtension::process() { + GDVIRTUAL_CALL(_process); +} + +void XRInterfaceExtension::notification(int p_what) { + GDVIRTUAL_CALL(_notification, p_what); +} |