protected override UnityEngine.Rendering.RenderPipeline CreatePipeline()
{
GameheadsRenderPipeline pipeline = null;
try
{
pipeline = new GameheadsRenderPipeline(this);
}
catch (Exception e)
{
UnityEngine.Debug.LogError(e);
}
return(pipeline);
}
protected override void Render(ScriptableRenderContext context, Camera[] cameras)
{
if (cameras.Length == 0)
{
return;
}
UnityEngine.Rendering.RenderPipeline.BeginFrameRendering(context, cameras);
// Loop over all active cameras in the scene and render them.
foreach (var camera in cameras)
{
if (camera == null)
{
continue;
}
// S E T U P
UnityEngine.Rendering.RenderPipeline.BeginCameraRendering(context, camera);
// TODO: Should we move this after we set the rasterization render target so that scene view UI is also pixelated?
DrawSceneViewUI(camera);
ScriptableCullingParameters cullingParameters;
if (!camera.TryGetCullingParameters(camera.stereoEnabled, out cullingParameters))
{
continue;
}
// Need to update the volume manager for the current camera before querying any volume parameter results.
// This triggers the volume manager to blend volume parameters spatially, based on the camera position.
VolumeManager.instance.Update(camera.transform, camera.cullingMask);
// Compute the list of visible render meshes and light sources that are inside the camera's view.
CullingResults cullingResults = context.Cull(ref cullingParameters);
// Setup camera for rendering (sets render target, view/projection matrices and other per-camera built-in shader variables).
context.SetupCameraProperties(camera);
// R E N D E R S C E N E
var cmd = CommandBufferPool.Get(GameheadsStringConstants.s_CommandBufferRenderForwardStr);
int renderTargetWidth = camera.pixelWidth;
int renderTargetHeight = camera.pixelHeight;
RenderTexture rasterizationRT = RenderTexture.GetTemporary(renderTargetWidth, renderTargetHeight, 24, RenderTextureFormat.ARGB32, RenderTextureReadWrite.Default, 1, RenderTextureMemoryless.None, VRTextureUsage.None, false);
cmd.SetRenderTarget(rasterizationRT);
{
PushGlobalRasterizationParameters(camera, cmd, renderTargetWidth, renderTargetHeight);
PushFogParameters(camera, cmd);
context.ExecuteCommandBuffer(cmd);
cmd.Release();
DrawOpaque(context, camera, ref cullingResults);
// DrawTransparent(context, camera, ref cullingResults);
// TODO: DrawSkybox(context, camera);
DrawLegacyCanvasUI(context, camera, ref cullingResults);
DrawGizmos(context, camera, GizmoSubset.PreImageEffects);
DrawGizmos(context, camera, GizmoSubset.PostImageEffects);
}
// R E N D E R P O S T P R O C E S S I N G
cmd = CommandBufferPool.Get(GameheadsStringConstants.s_CommandBufferRenderPostProcessStr);
cmd.SetRenderTarget(camera.targetTexture);
{
PushGlobalPostProcessingParameters(camera, cmd, m_Asset, rasterizationRT, renderTargetWidth, renderTargetHeight);
PushTonemapperParameters(camera, cmd);
GameheadsRenderPipeline.DrawFullScreenQuad(cmd, postProcessingMaterial);
}
// C L E A N U P
context.ExecuteCommandBuffer(cmd);
cmd.Release();
context.Submit();
RenderTexture.ReleaseTemporary(rasterizationRT);
UnityEngine.Rendering.RenderPipeline.EndCameraRendering(context, camera);
}
UnityEngine.Rendering.RenderPipeline.EndFrameRendering(context, cameras);
}