public FigureRenderer(IGraphicsService graphicsService, int bufferSize)
{
if (graphicsService == null)
{
throw new ArgumentNullException("graphicsService");
}
if (bufferSize <= 0 || bufferSize > MaxBufferSize)
{
throw new ArgumentOutOfRangeException("bufferSize", "The buffer size must be in the range [1, " + MaxBufferSize + "].");
}
if (graphicsService.GraphicsDevice.GraphicsProfile == GraphicsProfile.Reach)
{
throw new NotSupportedException("The FigureRenderer does not support the Reach profile.");
}
_graphicsService = graphicsService;
Order = 5;
BufferSize = bufferSize;
Options = FigureRenderOptions.RenderFillAndStroke;
// Start with a reasonably large capacity to avoid frequent re-allocations.
_jobs = new ArrayList <Job>(32);
// ReSharper disable DoNotCallOverridableMethodsInConstructor
_strokeEffect = OnLoadEffect(graphicsService);
// ReSharper restore DoNotCallOverridableMethodsInConstructor
_parameterViewport = _strokeEffect.Parameters["ViewportSize"];
_parameterView = _strokeEffect.Parameters["View"];
_parameterViewInverse = _strokeEffect.Parameters["ViewInverse"];
_parameterProjection = _strokeEffect.Parameters["Projection"];
_parameterCameraNear = _strokeEffect.Parameters["CameraNear"];
var graphicsDevice = graphicsService.GraphicsDevice;
// Create stroke indices. (The content of the index buffer does not change.)
var indices = new ushort[bufferSize * 6];
for (int i = 0; i < bufferSize; i++)
{
// Create index buffer for quad (= two triangles, clockwise).
// 1--2
// | /|
// |/ |
// 0--3
indices[i * 6 + 0] = (ushort)(i * 4 + 0);
indices[i * 6 + 1] = (ushort)(i * 4 + 1);
indices[i * 6 + 2] = (ushort)(i * 4 + 2);
indices[i * 6 + 3] = (ushort)(i * 4 + 0);
indices[i * 6 + 4] = (ushort)(i * 4 + 2);
indices[i * 6 + 5] = (ushort)(i * 4 + 3);
}
_strokeBatch = new RenderBatch <StrokeVertex, ushort>(
graphicsDevice,
StrokeVertex.VertexDeclaration,
new StrokeVertex[bufferSize * 4],
true,
indices,
false);
_fillEffect = new BasicEffect(graphicsDevice)
{
Alpha = 1,
DiffuseColor = new Vector3(1, 1, 1),
FogEnabled = false,
PreferPerPixelLighting = false,
World = Matrix.Identity,
LightingEnabled = false,
TextureEnabled = false,
VertexColorEnabled = true,
};
_fillBatch = new RenderBatch <VertexPositionColor, ushort>(
graphicsDevice,
VertexPositionColor.VertexDeclaration,
new VertexPositionColor[bufferSize * 3],
true,
new ushort[bufferSize * 3],
true);
}