96 lines
4.2 KiB
C++
96 lines
4.2 KiB
C++
|
/**************************************************************************/
|
||
|
|
/* openxr_visibility_mask_extension.h */
|
||
|
|
/**************************************************************************/
|
||
|
|
/* This file is part of: */
|
||
|
|
/* GODOT ENGINE */
|
||
|
|
/* https://godotengine.org */
|
||
|
|
/**************************************************************************/
|
||
|
|
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
|
||
|
|
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
|
||
|
|
/* */
|
||
|
|
/* 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_VISIBILITY_MASK_EXTENSION_H
|
||
|
|
#define OPENXR_VISIBILITY_MASK_EXTENSION_H
|
||
|
|
|
||
|
|
#include "../util.h"
|
||
|
|
|
||
|
|
#include "core/templates/vector.h"
|
||
|
|
#include "openxr_extension_wrapper.h"
|
||
|
|
#include "scene/resources/mesh.h"
|
||
|
|
|
||
|
|
// The OpenXR visibility mask extension provides a mesh for each eye that
|
||
|
|
// can be used as a mask to determine which part of our rendered result
|
||
|
|
// is actually visible to the user. Due to lens distortion the edges of
|
||
|
|
// the rendered image are never used in the final result output on the HMD.
|
||
|
|
//
|
||
|
|
// Blacking out this are of the render result can remove a fair amount of
|
||
|
|
// overhead in rendering part of the screen that is unused.
|
||
|
|
//
|
||
|
|
// https://registry.khronos.org/OpenXR/specs/1.0/html/xrspec.html#XR_KHR_visibility_mask
|
||
|
|
|
||
|
|
class OpenXRVisibilityMaskExtension : public OpenXRExtensionWrapper {
|
||
|
|
public:
|
||
|
|
static OpenXRVisibilityMaskExtension *get_singleton();
|
||
|
|
|
||
|
|
OpenXRVisibilityMaskExtension();
|
||
|
|
virtual ~OpenXRVisibilityMaskExtension() override;
|
||
|
|
|
||
|
|
virtual HashMap<String, bool *> get_requested_extensions() override;
|
||
|
|
|
||
|
|
virtual void on_instance_created(const XrInstance p_instance) override;
|
||
|
|
|
||
|
|
virtual void on_session_created(const XrSession p_instance) override;
|
||
|
|
virtual void on_session_destroyed() override;
|
||
|
|
|
||
|
|
virtual void on_pre_render() override;
|
||
|
|
virtual bool on_event_polled(const XrEventDataBuffer &event) override;
|
||
|
|
|
||
|
|
bool is_available();
|
||
|
|
RID get_mesh();
|
||
|
|
|
||
|
|
private:
|
||
|
|
static OpenXRVisibilityMaskExtension *singleton;
|
||
|
|
|
||
|
|
bool available = false;
|
||
|
|
bool is_dirty = false;
|
||
|
|
|
||
|
|
RID shader;
|
||
|
|
RID material;
|
||
|
|
RID mesh;
|
||
|
|
|
||
|
|
struct MeshData {
|
||
|
|
Vector<XrVector2f> vertices;
|
||
|
|
Vector<uint32_t> indices;
|
||
|
|
};
|
||
|
|
|
||
|
|
uint32_t mesh_count = 0;
|
||
|
|
MeshData mesh_data[4];
|
||
|
|
|
||
|
|
void _update_mesh_data(uint32_t p_view);
|
||
|
|
void _update_mesh();
|
||
|
|
|
||
|
|
// OpenXR API call wrappers
|
||
|
|
EXT_PROTO_XRRESULT_FUNC5(xrGetVisibilityMaskKHR, (XrSession), session, (XrViewConfigurationType), viewConfigurationType, (uint32_t), viewIndex, (XrVisibilityMaskTypeKHR), visibilityMaskType, (XrVisibilityMaskKHR *), visibilityMask);
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif // OPENXR_VISIBILITY_MASK_EXTENSION_H
|