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242 lines
7.5 KiB
C++
242 lines
7.5 KiB
C++
/*************************************************************************/
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/* xr_interface_extension.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "xr_interface_extension.h"
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#include "servers/rendering/renderer_compositor.h"
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void XRInterfaceExtension::_bind_methods() {
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GDVIRTUAL_BIND(_get_name);
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GDVIRTUAL_BIND(_get_capabilities);
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GDVIRTUAL_BIND(_is_initialized);
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GDVIRTUAL_BIND(_initialize);
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GDVIRTUAL_BIND(_uninitialize);
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GDVIRTUAL_BIND(_get_tracking_status);
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ClassDB::bind_method(D_METHOD("add_blit", "render_target", "src_rect", "dst_rect", "use_layer", "layer", "apply_lens_distortion", "eye_center", "k1", "k2", "upscale", "aspect_ratio"), &XRInterfaceExtension::add_blit);
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GDVIRTUAL_BIND(_get_render_target_size);
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GDVIRTUAL_BIND(_get_view_count);
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GDVIRTUAL_BIND(_get_camera_transform);
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GDVIRTUAL_BIND(_get_transform_for_view, "view", "cam_transform");
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GDVIRTUAL_BIND(_get_projection_for_view, "view", "aspect", "z_near", "z_far");
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GDVIRTUAL_BIND(_commit_views, "render_target", "screen_rect");
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GDVIRTUAL_BIND(_process);
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GDVIRTUAL_BIND(_notification, "what");
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// we don't have any properties specific to VR yet....
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// but we do have properties specific to AR....
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GDVIRTUAL_BIND(_get_anchor_detection_is_enabled);
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GDVIRTUAL_BIND(_set_anchor_detection_is_enabled, "enabled");
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GDVIRTUAL_BIND(_get_camera_feed_id);
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}
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StringName XRInterfaceExtension::get_name() const {
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StringName name;
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if (GDVIRTUAL_CALL(_get_name, name)) {
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return name;
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}
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return "Unknown";
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}
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uint32_t XRInterfaceExtension::get_capabilities() const {
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uint32_t capabilities;
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if (GDVIRTUAL_CALL(_get_capabilities, capabilities)) {
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return capabilities;
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}
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return 0;
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}
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bool XRInterfaceExtension::is_initialized() const {
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bool initialised = false;
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if (GDVIRTUAL_CALL(_is_initialized, initialised)) {
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return initialised;
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}
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return false;
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}
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bool XRInterfaceExtension::initialize() {
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bool initialised = false;
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if (GDVIRTUAL_CALL(_initialize, initialised)) {
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return initialised;
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}
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return false;
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}
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void XRInterfaceExtension::uninitialize() {
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GDVIRTUAL_CALL(_uninitialize);
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}
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XRInterface::TrackingStatus XRInterfaceExtension::get_tracking_status() const {
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uint32_t status;
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if (GDVIRTUAL_CALL(_get_tracking_status, status)) {
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return TrackingStatus(status);
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}
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return XR_UNKNOWN_TRACKING;
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}
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/** these will only be implemented on AR interfaces, so we want dummies for VR **/
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bool XRInterfaceExtension::get_anchor_detection_is_enabled() const {
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bool enabled;
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if (GDVIRTUAL_CALL(_get_anchor_detection_is_enabled, enabled)) {
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return enabled;
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}
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return false;
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}
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void XRInterfaceExtension::set_anchor_detection_is_enabled(bool p_enable) {
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// don't do anything here, this needs to be implemented on AR interface to enable/disable things like plane detection etc.
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GDVIRTUAL_CALL(_set_anchor_detection_is_enabled, p_enable);
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}
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int XRInterfaceExtension::get_camera_feed_id() {
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int feed_id;
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if (GDVIRTUAL_CALL(_get_camera_feed_id, feed_id)) {
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return feed_id;
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}
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return 0;
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}
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Size2 XRInterfaceExtension::get_render_target_size() {
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Size2 size;
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if (GDVIRTUAL_CALL(_get_render_target_size, size)) {
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return size;
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}
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return Size2(0, 0);
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}
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uint32_t XRInterfaceExtension::get_view_count() {
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uint32_t view_count;
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if (GDVIRTUAL_CALL(_get_view_count, view_count)) {
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return view_count;
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}
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return 1;
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}
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Transform3D XRInterfaceExtension::get_camera_transform() {
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Transform3D transform;
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if (GDVIRTUAL_CALL(_get_camera_transform, transform)) {
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return transform;
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}
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return Transform3D();
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}
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Transform3D XRInterfaceExtension::get_transform_for_view(uint32_t p_view, const Transform3D &p_cam_transform) {
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Transform3D transform;
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if (GDVIRTUAL_CALL(_get_transform_for_view, p_view, p_cam_transform, transform)) {
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return transform;
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}
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return Transform3D();
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}
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CameraMatrix XRInterfaceExtension::get_projection_for_view(uint32_t p_view, real_t p_aspect, real_t p_z_near, real_t p_z_far) {
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CameraMatrix cm;
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PackedFloat64Array arr;
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if (GDVIRTUAL_CALL(_get_projection_for_view, p_view, p_aspect, p_z_near, p_z_far, arr)) {
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ERR_FAIL_COND_V_MSG(arr.size() != 16, CameraMatrix(), "Projection matrix must contain 16 floats");
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real_t *m = (real_t *)cm.matrix;
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for (int i = 0; i < 16; i++) {
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m[i] = arr[i];
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}
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return cm;
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}
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return CameraMatrix();
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}
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void XRInterfaceExtension::add_blit(RID p_render_target, Rect2 p_src_rect, Rect2i p_dst_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) {
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BlitToScreen blit;
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ERR_FAIL_COND_MSG(!can_add_blits, "add_blit can only be called from an XR plugin from within _commit_views!");
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blit.render_target = p_render_target;
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blit.src_rect = p_src_rect;
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blit.dst_rect = p_dst_rect;
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blit.multi_view.use_layer = p_use_layer;
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blit.multi_view.layer = p_layer;
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blit.lens_distortion.apply = p_apply_lens_distortion;
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blit.lens_distortion.eye_center = p_eye_center;
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blit.lens_distortion.k1 = p_k1;
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blit.lens_distortion.k2 = p_k2;
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blit.lens_distortion.upscale = p_upscale;
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blit.lens_distortion.aspect_ratio = p_aspect_ratio;
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blits.push_back(blit);
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}
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Vector<BlitToScreen> XRInterfaceExtension::commit_views(RID p_render_target, const Rect2 &p_screen_rect) {
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// This is just so our XR plugin can add blits...
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blits.clear();
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can_add_blits = true;
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if (GDVIRTUAL_CALL(_commit_views, p_render_target, p_screen_rect)) {
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return blits;
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}
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can_add_blits = false;
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return blits;
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}
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void XRInterfaceExtension::process() {
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GDVIRTUAL_CALL(_process);
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}
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void XRInterfaceExtension::notification(int p_what) {
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GDVIRTUAL_CALL(_notification, p_what);
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}
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