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// Copyright 2025 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef THIRD_PARTY_BLINK_RENDERER_MODULES_XR_XR_VIEW_GEOMETRY_H_
#define THIRD_PARTY_BLINK_RENDERER_MODULES_XR_XR_VIEW_GEOMETRY_H_
#include "device/vr/public/mojom/vr_service.mojom-blink-forward.h"
#include "third_party/blink/renderer/modules/xr/xr_graphics_binding.h"
#include "ui/gfx/geometry/transform.h"
namespace blink {
class XRViewGeometry {
public:
explicit XRViewGeometry(XRGraphicsBinding::Api graphics_api);
XRViewGeometry(const device::mojom::blink::XRViewGeometryPtr& view_geometry,
XRGraphicsBinding::Api graphics_api);
void UpdateViewGeometry(
const device::mojom::blink::XRViewGeometryPtr& view_geometry,
double depth_near,
double depth_far);
void UpdateProjectionMatrixFromFoV(float up_rad,
float down_rad,
float left_rad,
float right_rad,
float near_depth,
float far_depth);
void UpdateProjectionMatrixFromAspect(float fovy,
float aspect,
float near_depth,
float far_depth);
gfx::Transform UnprojectPointer(double x,
double y,
double canvas_width,
double canvas_height);
void SetMojoFromView(const gfx::Transform& mojo_from_view);
const gfx::Transform& MojoFromView() const { return mojo_from_view_; }
const gfx::Transform& ProjectionMatrix() const { return projection_matrix_; }
private:
gfx::Transform mojo_from_view_;
gfx::Transform projection_matrix_;
gfx::Transform inv_projection_;
bool inv_projection_dirty_ = true;
const XRGraphicsBinding::Api graphics_api_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_MODULES_XR_XR_VIEW_GEOMETRY_H_
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