private Mesh GetStencilMesh(WVR_Eye eye)
{
float[] vertexData = null;
int[] indexData = null;
uint vertexCount = 0, triangleCount = 0;
try
{
WaveVR_Utils.WVR_GetStencilMesh(eye, ref vertexCount, ref triangleCount, 0, null, 0, null);
Log.d(TAG, "vertexCount " + vertexCount + " triangleCount " + triangleCount);
if (vertexCount <= 0 || vertexCount > 0xFF || triangleCount <= 0 || triangleCount > 0xFF)
{
return(null);
}
vertexData = new float[vertexCount * 3];
indexData = new int[triangleCount * 3];
WaveVR_Utils.WVR_GetStencilMesh(eye, ref vertexCount, ref triangleCount, vertexCount * 3, vertexData, triangleCount * 3, indexData);
}
catch (EntryPointNotFoundException e)
{
Log.e(TAG, "API doesn't exist:\n" + e.Message);
return(null);
}
int indicesCount = (int)triangleCount * 3;
if (indexData == null || vertexData == null)
{
Log.e(TAG, "Out of memory");
return(null);
}
// create mesh
float ZDir = 0;
if (SystemInfo.graphicsDeviceType == GraphicsDeviceType.OpenGLES3 ||
SystemInfo.graphicsDeviceType == GraphicsDeviceType.OpenGLES2 ||
SystemInfo.graphicsDeviceType == GraphicsDeviceType.OpenGLCore)
{
ZDir = -1;
}
else
{
if (SystemInfo.usesReversedZBuffer)
{
ZDir = 1;
}
else
{
ZDir = 0;
}
}
Vector3[] verticesUnity = new Vector3[vertexCount];
int[] indicesUnity = new int[indicesCount];
for (int i = 0; i < vertexCount; i++)
{
verticesUnity[i] = new Vector3(vertexData[3 * i], vertexData[3 * i + 1], ZDir);
}
// The mesh from SDK is GL style. Change to left hand rule.
for (int i = 0; i < triangleCount; i++)
{
int j = i * 3;
indicesUnity[j] = indexData[j];
indicesUnity[j + 1] = indexData[j + 2];
indicesUnity[j + 2] = indexData[j + 1];
}
Mesh mesh = new Mesh()
{
name = "RenderMask",
vertices = verticesUnity,
};
mesh.SetIndices(indicesUnity, MeshTopology.Triangles, 0);
Log.d(TAG, "RenderMask " + eye + " is loaded");
return(mesh);
}
