public void RenderShadowMap(
Scene3D scene,
GraphicsDevice graphicsDevice,
ref ShadowConstantsPS constants,
Action <Framebuffer, BoundingFrustum> drawSceneCallback)
{
// TODO: Use terrain light for terrain self-shadowing?
var light = scene.Lighting.CurrentLightingConfiguration.ObjectLightsPS.Light0;
// Calculate size of shadow map.
var shadowMapSize = scene.Shadows.ShadowMapSize;
var numCascades = (uint)scene.Shadows.ShadowMapCascades;
if (_shadowData != null && _shadowData.ShadowMap != null &&
(_shadowData.ShadowMap.Width != shadowMapSize ||
_shadowData.ShadowMap.Height != shadowMapSize ||
_shadowData.NearPlaneDistance != scene.Camera.NearPlaneDistance ||
_shadowData.FarPlaneDistance != scene.Camera.FarPlaneDistance ||
_shadowData.NumSplits != numCascades))
{
RemoveAndDispose(ref _shadowData);
}
if (_shadowData == null)
{
_shadowData = AddDisposable(new ShadowData(
numCascades,
scene.Camera.NearPlaneDistance,
scene.Camera.FarPlaneDistance,
shadowMapSize,
graphicsDevice));
}
if (scene.Shadows.ShadowsType == ShadowsType.None)
{
constants.ShadowsType = ShadowsType.None;
return;
}
_shadowFrustumCalculator.CalculateShadowData(
light,
scene.Camera,
_shadowData,
scene.Shadows);
constants.Set(numCascades, scene.Shadows, _shadowData);
// Render scene geometry to each split of the cascade.
for (var splitIndex = 0; splitIndex < _shadowData.NumSplits; splitIndex++)
{
_lightFrustum.Matrix = _shadowData.ShadowCameraViewProjections[splitIndex];
drawSceneCallback(
_shadowData.ShadowMapFramebuffers[splitIndex],
_lightFrustum);
}
}
public void RenderShadowMap(
Scene3D scene,
GraphicsDevice graphicsDevice,
CommandList commandList,
Action <Framebuffer, BoundingFrustum> drawSceneCallback)
{
// TODO: Use terrain light for terrain self-shadowing?
var light = scene.Lighting.CurrentLightingConfiguration.ObjectLightsPS.Light0;
// Calculate size of shadow map.
var shadowMapSize = scene.Shadows.ShadowMapSize;
var numCascades = (uint)scene.Shadows.ShadowMapCascades;
if (_shadowData != null && _shadowData.ShadowMap != null &&
(_shadowData.ShadowMap.Width != shadowMapSize ||
_shadowData.ShadowMap.Height != shadowMapSize ||
_shadowData.NearPlaneDistance != scene.Camera.NearPlaneDistance ||
_shadowData.FarPlaneDistance != scene.Camera.FarPlaneDistance ||
_shadowData.NumSplits != numCascades))
{
RemoveAndDispose(ref _shadowData);
RemoveAndDispose(ref _resourceSet);
}
if (_shadowData == null)
{
_shadowData = AddDisposable(new ShadowData(
numCascades,
scene.Camera.NearPlaneDistance,
scene.Camera.FarPlaneDistance,
shadowMapSize,
graphicsDevice));
_resourceSet = AddDisposable(graphicsDevice.ResourceFactory.CreateResourceSet(
new ResourceSetDescription(
_globalShaderResources.GlobalShadowResourceLayout,
_shadowConstantsPSBuffer.Buffer,
_shadowData.ShadowMap,
_globalShaderResources.ShadowSampler)));
}
if (scene.Shadows.ShadowsType != ShadowsType.None)
{
_shadowFrustumCalculator.CalculateShadowData(
light,
scene.Camera,
_shadowData,
scene.Shadows);
_shadowConstants.Set(numCascades, scene.Shadows, _shadowData);
// Render scene geometry to each split of the cascade.
for (var splitIndex = 0; splitIndex < _shadowData.NumSplits; splitIndex++)
{
_lightFrustum.Matrix = _shadowData.ShadowCameraViewProjections[splitIndex];
drawSceneCallback(
_shadowData.ShadowMapFramebuffers[splitIndex],
_lightFrustum);
}
}
else
{
_shadowConstants.ShadowsType = ShadowsType.None;
}
_shadowConstantsPSBuffer.Value = _shadowConstants;
_shadowConstantsPSBuffer.Update(commandList);
}
