RenderingLibrary.Graphics.SpriteRenderer.BeginSpriteBatch C# (CSharp) Method

        public void BeginSpriteBatch(RenderStateVariables renderStates, Layer layer, BeginType beginType, Camera camera)
        {

            Matrix matrix = GetZoomAndMatrix(layer, camera);

            SamplerState samplerState = GetSamplerState(renderStates);


            bool isFullscreen = renderStates.ClipRectangle == null;

            RasterizerState rasterizerState;
            if (isFullscreen)
            {
                rasterizerState = scissorTestDisabled;
            }
            else
            {
                rasterizerState = scissorTestEnabled;
            }


            Rectangle scissorRectangle = new Rectangle();
            if (rasterizerState.ScissorTestEnable)
            {
                scissorRectangle = renderStates.ClipRectangle.Value;
            }


            DepthStencilState depthStencilState = DepthStencilState.DepthRead;

            if (beginType == BeginType.Begin)
            {
                mSpriteBatch.ReplaceRenderStates(SpriteSortMode.Immediate, renderStates.BlendState,
                    samplerState,
                    depthStencilState,
                    rasterizerState,
                    null, matrix,
                    scissorRectangle);
            }
            else
            {
                mSpriteBatch.PushRenderStates(SpriteSortMode.Immediate, renderStates.BlendState,
                    samplerState,
                    depthStencilState,
                    rasterizerState,
                    null, matrix,
                    scissorRectangle);
            }
        }

        internal void RenderLayer(SystemManagers managers, Layer layer, bool prerender = true)
        {
            //////////////////Early Out////////////////////////////////
            if (layer.Renderables.Count == 0)
            {
                return;
            }
            ///////////////End Early Out///////////////////////////////

            if (prerender)
            {
                PreRender(layer.Renderables);
            }

            spriteRenderer.BeginSpriteBatch(mRenderStateVariables, layer, BeginType.Push, mCamera);

            layer.SortRenderables();

            Render(layer.Renderables, managers, layer);

            spriteRenderer.EndSpriteBatch();
        }