public static Mesh CreateHiddenAreaMesh(HiddenAreaMesh_t src, Compositor_TextureBounds bounds)
{
if (src.unTriangleCount == 0)
return null;
var data = new float[src.unTriangleCount * 3 * 2]; //HmdVector2_t
Marshal.Copy(src.pVertexData, data, 0, data.Length);
var vertices = new Vector3[src.unTriangleCount * 3 + 12];
var indices = new int[src.unTriangleCount * 3 + 24];
var x0 = 2.0f * bounds.uMin - 1.0f;
var x1 = 2.0f * bounds.uMax - 1.0f;
var y0 = 2.0f * bounds.vMax - 1.0f;
var y1 = 2.0f * bounds.vMin - 1.0f;
for (int i = 0, j = 0; i < src.unTriangleCount * 3; i++)
{
var x = Lerp(x0, x1, data[j++]);
var y = Lerp(y0, y1, data[j++]);
vertices[i] = new Vector3(x, y, 0.0f);
indices[i] = i;
}
// Add border
var offset = (int)src.unTriangleCount * 3;
var iVert = offset;
vertices[iVert++] = new Vector3(-1, -1, 0);
vertices[iVert++] = new Vector3(x0, -1, 0);
vertices[iVert++] = new Vector3(-1, 1, 0);
vertices[iVert++] = new Vector3(x0, 1, 0);
vertices[iVert++] = new Vector3(x1, -1, 0);
vertices[iVert++] = new Vector3( 1, -1, 0);
vertices[iVert++] = new Vector3(x1, 1, 0);
vertices[iVert++] = new Vector3( 1, 1, 0);
vertices[iVert++] = new Vector3(x0, y0, 0);
vertices[iVert++] = new Vector3(x1, y0, 0);
vertices[iVert++] = new Vector3(x0, y1, 0);
vertices[iVert++] = new Vector3(x1, y1, 0);
var iTri = offset;
indices[iTri++] = offset + 0;
indices[iTri++] = offset + 1;
indices[iTri++] = offset + 2;
indices[iTri++] = offset + 2;
indices[iTri++] = offset + 1;
indices[iTri++] = offset + 3;
indices[iTri++] = offset + 4;
indices[iTri++] = offset + 5;
indices[iTri++] = offset + 6;
indices[iTri++] = offset + 6;
indices[iTri++] = offset + 5;
indices[iTri++] = offset + 7;
indices[iTri++] = offset + 1;
indices[iTri++] = offset + 4;
indices[iTri++] = offset + 8;
indices[iTri++] = offset + 8;
indices[iTri++] = offset + 4;
indices[iTri++] = offset + 9;
indices[iTri++] = offset + 10;
indices[iTri++] = offset + 11;
indices[iTri++] = offset + 3;
indices[iTri++] = offset + 3;
indices[iTri++] = offset + 11;
indices[iTri++] = offset + 6;
var mesh = new Mesh();
mesh.vertices = vertices;
mesh.triangles = indices;
return mesh;
}
internal static extern void SteamAPI_vr_IVRCompositor_Submit(IntPtr instancePtr, Hmd_Eye eEye, IntPtr pTexture, ref Compositor_TextureBounds pBounds);
private SteamVR(System.IntPtr pHmd, System.IntPtr pCompositor)
{
hmd = new CVRSystem(pHmd);
Debug.Log("Connected to " + hmd_TrackingSystemName + ":" + hmd_SerialNumber);
compositor = new CVRCompositor(pCompositor);
var device = new UnityGraphicsDevice();
GetUnityGraphicsDevice(ref device);
switch (device.type)
{
case GfxDeviceRenderer.kGfxRendererD3D11:
compositor.SetGraphicsDevice(Compositor_DeviceType.D3D11, device.ptr);
break;
case GfxDeviceRenderer.kGfxRendererOpenGL:
compositor.SetGraphicsDevice(Compositor_DeviceType.OpenGL, device.ptr);
break;
default:
throw new System.Exception("Unsupported device type.");
}
var capacity = compositor.GetLastError(null, 0);
if (capacity > 1)
{
var result = new System.Text.StringBuilder((int)capacity);
compositor.GetLastError(result, capacity);
Debug.Log("Compositor - " + result);
}
// Register for a callback if our graphics device goes away, so we can properly clean up.
var resetDelegate = new UnityResetDelegate(SteamVR.SafeDispose);
callbackHandle = GCHandle.Alloc(resetDelegate);
SetUnityResetCallback(Marshal.GetFunctionPointerForDelegate(resetDelegate));
// Hook up the render thread present event just in case we wind up needing to use this.
var error = HmdError.None;
SetUnityRenderCallback(OpenVR.GetGenericInterface(IVRHmdDistortPresent_Version, ref error));
// Setup render values
uint w = 0, h = 0;
hmd.GetRecommendedRenderTargetSize(ref w, ref h);
sceneWidth = (float)w;
sceneHeight = (float)h;
float l_left = 0.0f, l_right = 0.0f, l_top = 0.0f, l_bottom = 0.0f;
hmd.GetProjectionRaw(Hmd_Eye.Eye_Left, ref l_left, ref l_right, ref l_top, ref l_bottom);
float r_left = 0.0f, r_right = 0.0f, r_top = 0.0f, r_bottom = 0.0f;
hmd.GetProjectionRaw(Hmd_Eye.Eye_Right, ref r_left, ref r_right, ref r_top, ref r_bottom);
tanHalfFov = new Vector2(
Mathf.Max(-l_left, l_right, -r_left, r_right),
Mathf.Max(-l_top, l_bottom, -r_top, r_bottom));
textureBounds = new Compositor_TextureBounds[2];
textureBounds[0].uMin = 0.5f + 0.5f * l_left / tanHalfFov.x;
textureBounds[0].uMax = 0.5f + 0.5f * l_right / tanHalfFov.x;
textureBounds[0].vMin = 0.5f + 0.5f * l_bottom / tanHalfFov.y;
textureBounds[0].vMax = 0.5f + 0.5f * l_top / tanHalfFov.y;
textureBounds[1].uMin = 0.5f + 0.5f * r_left / tanHalfFov.x;
textureBounds[1].uMax = 0.5f + 0.5f * r_right / tanHalfFov.x;
textureBounds[1].vMin = 0.5f + 0.5f * r_bottom / tanHalfFov.y;
textureBounds[1].vMax = 0.5f + 0.5f * r_top / tanHalfFov.y;
aspect = tanHalfFov.x / tanHalfFov.y;
fieldOfView = 2.0f * Mathf.Atan(tanHalfFov.y) * Mathf.Rad2Deg;
eyes = new SteamVR_Utils.RigidTransform[] {
new SteamVR_Utils.RigidTransform(hmd.GetEyeToHeadTransform(Hmd_Eye.Eye_Left)),
new SteamVR_Utils.RigidTransform(hmd.GetEyeToHeadTransform(Hmd_Eye.Eye_Right)) };
SteamVR_Utils.Event.Listen("initializing", OnInitializing);
SteamVR_Utils.Event.Listen("calibrating", OnCalibrating);
SteamVR_Utils.Event.Listen("out_of_range", OnOutOfRange);
SteamVR_Utils.Event.Listen("device_connected", OnDeviceConnected);
SteamVR_Utils.Event.Listen("new_poses", OnNewPoses);
}