/// <summary>
/// Ends the batching
/// </summary>
public void EndDraw()
{
if (!beginEndPair)
{
return;
}
beginEndPair = false;
deviceBuffer.Bind();
// if we have lighted polygons to draw
if (litPolygonBuffer.Count > 0)
{
litColorShader.Start();
litColorShader.SetViewProjectionMatrix(currentViewProjectionMatrix);
litColorShader.SpecifyAttributes(PrimitiveVertex.SizeInBytes);
deviceBuffer.Data(litPolygonBuffer, litPolygonBuffer.Count * PrimitiveVertex.SizeInBytes, BufferUsageHint.StreamDraw);
GL.DrawArrays(PrimitiveType.Triangles, 0, litPolygonBuffer.Count);
}
// start initializing color shader
colorShader.Start();
colorShader.SetViewProjectionMatrix(currentViewProjectionMatrix);
colorShader.SpecifyAttributes(PrimitiveVertex.SizeInBytes);
// if we have polygons to draw
if (polygonBuffer.Count > 0)
{
deviceBuffer.Data(polygonBuffer, polygonBuffer.Count * PrimitiveVertex.SizeInBytes, BufferUsageHint.StreamDraw);
GL.DrawArrays(PrimitiveType.Triangles, 0, polygonBuffer.Count);
}
// if we have lines to draw
if (lineBuffer.Count > 0)
{
deviceBuffer.Data(lineBuffer, lineBuffer.Count * PrimitiveVertex.SizeInBytes, BufferUsageHint.StreamDraw);
GL.DrawArrays(PrimitiveType.Lines, 0, lineBuffer.Count);
}
// if we have textured polygons to draw
if (texturedPolygonBuffer.Count > 0)
{
// setup texture shader
litTexturerShader.Start();
litTexturerShader.SetViewProjectionMatrix(currentViewProjectionMatrix);
// litTexturerShader.SetTextureUnit(0);
litTexturerShader.SpecifyAttributes(PrimitiveVertex.SizeInBytes);
foreach (var keyValuePair in texturedPolygonBuffer)
{
// bind texture
Texture2D texture = keyValuePair.Key;
texture.Bind();
// draw textures
List <PrimitiveVertex> vertexList = keyValuePair.Value;
deviceBuffer.Data(vertexList, vertexList.Count * PrimitiveVertex.SizeInBytes, BufferUsageHint.StreamDraw);
GL.DrawArrays(PrimitiveType.Triangles, 0, vertexList.Count);
}
}
}