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// Copyright 2018 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef DEVICE_VR_TEST_TEST_HOOK_H_
#define DEVICE_VR_TEST_TEST_HOOK_H_
#include "base/check.h"
#include "device/vr/public/mojom/browser_test_interfaces.mojom.h"
#include "ui/gfx/transform.h"
#include <cstdint>
namespace device {
// Update this string whenever either interface changes.
constexpr char kChromeOpenVRTestHookAPI[] = "ChromeTestHook_3";
constexpr unsigned int kMaxTrackedDevices = 64;
constexpr unsigned int kMaxNumAxes = 5;
// These are largely the same as the OpenVR button/axis constants, but kept
// separate so they're more runtime-agnostic.
enum XrButtonId {
kSystem = 0,
kMenu = 1,
kGrip = 2,
kDpadLeft = 3,
kDpadUp = 4,
kDpadRight = 5,
kDpadDown = 6,
kA = 7,
kProximitySensor = 31,
kAxisTrackpad = 32,
kAxisTrigger = 33,
kAxisThumbstick = 34,
kAxisTertiary = 35,
kAxisQuaternary = 36,
kMax = 64
};
enum XrAxisType {
kNone = 0,
kTrackpad = 1,
kJoystick = 2,
kTrigger = 3,
};
inline uint64_t XrButtonMaskFromId(XrButtonId id) {
return 1ull << id;
}
inline unsigned int XrAxisOffsetFromId(XrButtonId id) {
DCHECK(XrButtonId::kAxisTrackpad <= id &&
id < XrButtonId::kAxisTrackpad + kMaxNumAxes);
return static_cast<unsigned int>(id) -
static_cast<unsigned int>(XrButtonId::kAxisTrackpad);
}
struct Color {
unsigned char r;
unsigned char g;
unsigned char b;
unsigned char a;
};
struct Viewport {
float left, right, top, bottom;
};
struct SubmittedFrameData {
Color color;
bool left_eye;
Viewport viewport;
unsigned int image_width;
unsigned int image_height;
char raw_buffer[256]; // Can encode raw data here.
};
struct PoseFrameData {
float device_to_origin[16];
bool is_valid;
};
struct DeviceConfig {
float interpupillary_distance;
float viewport_left[4]; // raw projection left {left, right, top, bottom}
float viewport_right[4]; // raw projection right {left, right, top, bottom}
};
struct ControllerAxisData {
float x = 0.0f;
float y = 0.0f;
unsigned int axis_type = 0;
};
enum TrackedDeviceClass {
kTrackedDeviceInvalid,
kTrackedDeviceHmd,
kTrackedDeviceController,
kTrackedDeviceGenericTracker,
kTrackedDeviceTrackingReference,
kTrackedDeviceDisplayRedirect
};
enum ControllerRole {
kControllerRoleInvalid, // Test hook should ignore this controller.
kControllerRoleLeft,
kControllerRoleRight,
kControllerRoleVoice // Simulates voice input such as saying "select" in WMR.
};
struct ControllerFrameData {
unsigned int packet_number = 0;
uint64_t buttons_pressed = 0;
uint64_t buttons_touched = 0;
uint64_t supported_buttons = 0;
ControllerAxisData axis_data[kMaxNumAxes];
PoseFrameData pose_data = {};
ControllerRole role = kControllerRoleInvalid;
bool is_valid = false;
};
inline gfx::Transform PoseFrameDataToTransform(PoseFrameData data) {
// The gfx::Transform constructor takes arguments in row-major order, but
// we're given data in column-major order. Construct in column-major order and
// transpose since it looks cleaner than manually transposing the arguments
// passed to the constructor.
float* t = data.device_to_origin;
gfx::Transform transform(t[0], t[1], t[2], t[3], t[4], t[5], t[6], t[7], t[8],
t[9], t[10], t[11], t[12], t[13], t[14], t[15]);
transform.Transpose();
return transform;
}
// Tests may implement this, and register it to control behavior of VR runtime.
class VRTestHook {
public:
virtual void OnFrameSubmitted(SubmittedFrameData frame_data) = 0;
virtual DeviceConfig WaitGetDeviceConfig() = 0;
virtual PoseFrameData WaitGetPresentingPose() = 0;
virtual PoseFrameData WaitGetMagicWindowPose() = 0;
virtual ControllerRole WaitGetControllerRoleForTrackedDeviceIndex(
unsigned int index) = 0;
virtual TrackedDeviceClass WaitGetTrackedDeviceClass(unsigned int index) = 0;
virtual ControllerFrameData WaitGetControllerData(unsigned int index) = 0;
virtual device_test::mojom::EventData WaitGetEventData() = 0;
virtual void AttachCurrentThread() = 0;
virtual void DetachCurrentThread() = 0;
};
class ServiceTestHook {
public:
virtual void SetTestHook(VRTestHook*) = 0;
};
} // namespace device
#endif // DEVICE_VR_TEST_TEST_HOOK_H_
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