public static void Initialize(GraphicsDevice device)
{
// register convar
r_hdr_enable = ConVar.Register("r_hdr_enable", true, "Enable high dynamic range rendering.", ConVarFlags.Archived);
// create render targets
int width = device.PresentationParameters.BackBufferWidth;
int height = device.PresentationParameters.BackBufferHeight;
_colorRT = new RenderTarget2D(device, width, height, false, SurfaceFormat.Color, DepthFormat.Depth16);
_depthRT = new RenderTarget2D(device, width, height, false, SurfaceFormat.Single, DepthFormat.Depth16);
_normalRT = new RenderTarget2D(device, width, height, false, SurfaceFormat.Color, DepthFormat.Depth16);
_lightRT = new RenderTarget2D(device, width, height, false, (r_hdr_enable.GetValue <bool>()) ? SurfaceFormat.Rgba1010102 : SurfaceFormat.Color, DepthFormat.Depth16);
if (r_hdr_enable.GetValue <bool>())
{
_hdrRT = new RenderTarget2D(device, width, height, false, SurfaceFormat.Rgba1010102, DepthFormat.None);
_hdrBloomRT = new RenderTarget2D(device, width, height, false, SurfaceFormat.Rgba1010102, DepthFormat.None);
int sampleEntries = 1;
int startSize = Math.Min(width / 16, height / 16);
int size = 16;
for (size = 16; size < startSize; size *= 4)
{
sampleEntries++;
}
_lightDownsampleRTs = new RenderTarget2D[sampleEntries];
size /= 4;
for (int i = 0; i < sampleEntries; i++)
{
_lightDownsampleRTs[i] = new RenderTarget2D(device, size, size, false, SurfaceFormat.Single, DepthFormat.None);
size /= 4;
}
_avgLightRT = new RenderTarget2D(device, 1, 1, false, SurfaceFormat.Single, DepthFormat.None);
}
// load shaders
_baseEffect = EffectManager.Load("BaseDraw", device);
_compositeEffect = EffectManager.Load("ScreenComposite", device);
_bloomEffect = EffectManager.Load("Bloom", device);
_lightnessEffect = EffectManager.Load("Lightness", device);
// light renderer
LightRenderer.Initialize(device);
// shadow renderer
ShadowRenderer.Initialize(device);
}
public static void Render3DStuff(GraphicsDevice device)
{
// clear render targets
ClearRenderTarget(device, _colorRT, Color.Black);
ClearRenderTarget(device, _depthRT, Color.White);
ClearRenderTarget(device, _normalRT, Color.Gray);
// set render targets
device.SetRenderTargets(_colorRT, _depthRT, _normalRT);
// set up the shader
Camera.Apply(_baseEffect);
// render the scene
RenderScene(device, _baseEffect, Camera.MainCamera);
// set render target to the back buffer
device.SetRenderTargets(null);
// render shadow stuff
_shadowRT = ShadowRenderer.RenderShadows(device);
// set render target to the light buffer
device.SetRenderTarget(_lightRT);
// clear the RT
device.Clear(Color.Transparent);
// render ambient/directional light
LightRenderer.RenderDirectionalLight(device, _normalRT, _depthRT, _shadowRT);
// render lights
//LightRenderer.RenderLights(device, _depthRT);
//return;
// again go back to the back buffer
device.SetRenderTarget(_hdrRT); // will be null if not enabled
// draw the screen composite
DrawScreenComposite(device);
if (_hdrRT != null)
{
//DrawAvgLightness(device);
device.SetRenderTarget(_hdrBloomRT);
DrawHDRBloom(device, true);
device.SetRenderTarget(null);
DrawHDRBloom(device, false);
}
}
