public void BeginCamera(Camera camera)
{
m_camera = camera;
m_threadGroupsX = Mathf.CeilToInt((float)camera.pixelWidth / THREADS_PER_GROUP);
m_threadGroupsY = Mathf.CeilToInt((float)camera.pixelHeight / THREADS_PER_GROUP);
m_renderTarget = _renderTargetsRepository.GetRT(camera);
m_shapeData.Clear();
m_shapes.GetShapeData(m_shapeData);
_buffer = new ComputeBuffer(m_shapeData.Count, ShapeData.GetStructSize());
_buffer.SetData(m_shapeData);
}
private void RenderInPlace()
{
var shapesData = new List <ShapeData>();
_shapes.GetShapeData(shapesData);
_computeShader.SetMatrix(CamToWorldMatrixProp, _camera.cameraToWorldMatrix);
_computeShader.SetMatrix(InvProjectionMatrixProp, _camera.projectionMatrix.inverse);
_computeShader.SetTexture(0, DestinationTextureProp, _renderTexture);
if (shapesData.Count > 0)
{
using (var computeBuffer = new ComputeBuffer(shapesData.Count, ShapeData.GetStructSize()))
{
int threadGroupsX = Mathf.CeilToInt((float)_camera.pixelWidth / 8);
int threadGroupsY = Mathf.CeilToInt((float)_camera.pixelHeight / 8);
computeBuffer.SetData(shapesData);
_computeShader.SetBuffer(0, BufferProp, computeBuffer);
_computeShader.SetInt(BufferLengthProp, computeBuffer.count);
_computeShader.Dispatch(0, threadGroupsX, threadGroupsY, 1);
}
}
}