private static void Draw(WritableTexture screen, Func <Shader> shaderFactory, FaceDrawer faceDrawer, int startY, int endY, World world)
{
var shaderState = new ShaderState(30, world);
var shader = shaderFactory();
shader.World(world);
for (var i = 0; i < world.WorldObject.Model.Geometry.Faces.Count; i++)
{
faceDrawer.Draw(i, screen, shader, shaderState, startY, endY);
}
}
private async Task TwoPhaseDraw(World world, Tuple <int, int>[] regions, WritableTexture screen)
{
_firstPhaseScreen.Clear();
_faceDrawer.Init(RenderMode.Fill);
var firstPhaseTasks = regions.Select(
region =>
new Task(
() =>
Draw(_firstPhaseScreen, world.WorldObject.FirstPhaseShaderFactory, _faceDrawer, region.Item1,
region.Item2, world)))
.ToArray();
foreach (var task in firstPhaseTasks)
{
task.Start();
}
await Task.WhenAll(firstPhaseTasks).ConfigureAwait(false);
_faceDrawer.Init(world.RenderMode);
var secondPhaseTasks = regions.Select(
region =>
new Task(() =>
{
var shaderState = new ShaderState(30, world);
var shader = world.WorldObject.ShaderFactory();
shader.World(world, _firstPhaseScreen);
for (var i = 0; i < world.WorldObject.Model.Geometry.Faces.Count; i++)
{
_faceDrawer.Draw(i, screen, shader, shaderState, region.Item1, region.Item2);
}
}))
.ToArray();
foreach (var task in secondPhaseTasks)
{
task.Start();
}
await Task.WhenAll(secondPhaseTasks).ConfigureAwait(false);
}
