private void CalculateWaterShaderMap(Scene3D scene, RenderContext context, CommandList commandList, RenderItem renderItem, ResourceSet forwardPassResourceSet)
{
_waterMapRenderer.RenderWaterShaders(
scene,
context.GraphicsDevice,
commandList,
(reflectionFramebuffer, refractionFramebuffer) =>
{
var camera = scene.Camera;
var clippingOffset = scene.Waters.ClippingOffset;
var originalFarPlaneDistance = camera.FarPlaneDistance;
var pivot = renderItem.World.Translation.Y;
if (refractionFramebuffer != null)
{
commandList.PushDebugGroup("Refraction");
camera.FarPlaneDistance = scene.Waters.RefractionRenderDistance;
var clippingPlaneTop = new Plane(-Vector3.UnitZ, pivot + clippingOffset);
var transparentWaterDepth = scene.AssetLoadContext.AssetStore.WaterTransparency.Current.TransparentWaterDepth;
var clippingPlaneBottom = new Plane(Vector3.UnitZ, -pivot + transparentWaterDepth);
// Render normal scene for water refraction shader
_globalShaderResourceData.UpdateGlobalConstantBuffers(commandList, context, camera.ViewProjection, clippingPlaneTop.AsVector4(), clippingPlaneBottom.AsVector4());
commandList.SetFramebuffer(refractionFramebuffer);
commandList.ClearColorTarget(0, ClearColor);
commandList.ClearDepthStencil(1);
commandList.SetFullViewports();
RenderedObjectsOpaque += DoRenderPass(context, commandList, _renderList.Opaque, camera.BoundingFrustum, forwardPassResourceSet, clippingPlaneTop, clippingPlaneBottom);
commandList.PopDebugGroup();
}
if (reflectionFramebuffer != null)
{
commandList.PushDebugGroup("Reflection");
camera.FarPlaneDistance = scene.Waters.ReflectionRenderDistance;
var clippingPlane = new Plane(Vector3.UnitZ, -pivot - clippingOffset);
// TODO: Improve rendering speed somehow?
// ------------------- Used for creating stencil mask -------------------
_globalShaderResourceData.UpdateGlobalConstantBuffers(commandList, context, camera.ViewProjection, clippingPlane.AsVector4(), null);
commandList.SetFramebuffer(reflectionFramebuffer);
commandList.ClearColorTarget(0, ClearColor);
commandList.ClearDepthStencil(1);
// -----------------------------------------------------------------------
// Render inverted scene for water reflection shader
camera.SetMirrorX(pivot);
_globalShaderResourceData.UpdateGlobalConstantBuffers(commandList, context, camera.ViewProjection, clippingPlane.AsVector4(), null);
//commandList.SetFramebuffer(reflectionFramebuffer);
commandList.ClearColorTarget(0, ClearColor);
//commandList.ClearDepthStencil(1);
commandList.SetFullViewports();
RenderedObjectsOpaque += DoRenderPass(context, commandList, _renderList.Opaque, camera.BoundingFrustum, forwardPassResourceSet, clippingPlane);
camera.SetMirrorX(pivot);
commandList.PopDebugGroup();
}
if (reflectionFramebuffer != null || refractionFramebuffer != null)
{
camera.FarPlaneDistance = originalFarPlaneDistance;
_globalShaderResourceData.UpdateGlobalConstantBuffers(commandList, context, camera.ViewProjection, null, null);
// Reset the render item pipeline
commandList.SetFramebuffer(_intermediateFramebuffer);
commandList.InsertDebugMarker("Setting pipeline");
commandList.SetPipeline(renderItem.Material.Pipeline);
}
});
}