private void CollectShadowMaps(RenderView renderView, ForwardLightingRenderFeature.RenderViewLightData renderViewLightData)
{
// TODO GRAPHICS REFACTOR Only lights of current scene!
var sceneCameraRenderer = renderView.SceneCameraRenderer;
var viewport = sceneCameraRenderer.ComputedViewport;
foreach (var lightComponent in renderViewLightData.VisibleLightsWithShadows)
{
var light = lightComponent.Type as IDirectLight;
if (light == null)
{
continue;
}
var shadowMap = light.Shadow;
if (!shadowMap.Enabled)
{
continue;
}
// Check if the light has a shadow map renderer
var lightType = light.GetType();
ILightShadowMapRenderer renderer;
if (!Renderers.TryGetValue(lightType, out renderer))
{
continue;
}
var direction = lightComponent.Direction;
var position = lightComponent.Position;
// Compute the coverage of this light on the screen
var size = light.ComputeScreenCoverage(renderView.Camera, position, direction, viewport.Width, viewport.Height);
// Converts the importance into a shadow size factor
var sizeFactor = ComputeSizeFactor(shadowMap.Size);
// Compute the size of the final shadow map
// TODO: Handle GraphicsProfile
var shadowMapSize = (int)Math.Min(ReferenceShadowSize * sizeFactor, MathUtil.NextPowerOfTwo(size * sizeFactor));
if (shadowMapSize <= 0) // TODO: Validate < 0 earlier in the setters
{
continue;
}
// Get or allocate a ShadowMapTexture
var shadowMapTexture = shadowMapTextures.Add();
shadowMapTexture.Initialize(lightComponent, light, shadowMap, shadowMapSize, renderer);
renderViewLightData.LightComponentsWithShadows.Add(lightComponent, shadowMapTexture);
}
}
private void CollectShadowMaps(RenderView renderView, ForwardLightingRenderFeature.RenderViewLightData renderViewLightData)
{
// TODO GRAPHICS REFACTOR Only lights of current scene!
foreach (var renderLight in renderViewLightData.VisibleLightsWithShadows)
{
var light = renderLight.Type as IDirectLight;
if (light == null)
{
continue;
}
var shadowMap = light.Shadow;
if (!shadowMap.Enabled)
{
continue;
}
// Check if the light has a shadow map renderer
var renderer = FindRenderer(light);
if (renderer == null)
{
continue;
}
var direction = renderLight.Direction;
var position = renderLight.Position;
// Compute the coverage of this light on the screen
var size = light.ComputeScreenCoverage(renderView, position, direction);
// Converts the importance into a shadow size factor
var sizeFactor = ComputeSizeFactor(shadowMap.Size);
// Compute the size of the final shadow map
// TODO: Handle GraphicsProfile
var shadowMapSize = (int)Math.Min(ReferenceShadowSize * sizeFactor, MathUtil.NextPowerOfTwo(size * sizeFactor));
if (shadowMapSize <= 0) // TODO: Validate < 0 earlier in the setters
{
continue;
}
var shadowMapTexture = renderer.CreateShadowMapTexture(renderView, renderLight, light, shadowMapSize);
// Assign rectangles for shadowmap
AssignRectangle(shadowMapTexture);
renderViewLightData.RenderLightsWithShadows.Add(renderLight, shadowMapTexture);
shadowMaps.Add(shadowMapTexture);
}
}
