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257 lines
11 KiB
257 lines
11 KiB
using UnityEditorInternal;
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using UnityEngine;
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using UnityEngine.PostProcessing;
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namespace UnityEditor.PostProcessing
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{
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public class ParadeMonitor : PostProcessingMonitor
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{
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static GUIContent s_MonitorTitle = new GUIContent("Parade");
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ComputeShader m_ComputeShader;
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ComputeBuffer m_Buffer;
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Material m_Material;
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RenderTexture m_WaveformTexture;
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Rect m_MonitorAreaRect;
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public ParadeMonitor()
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{
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m_ComputeShader = EditorResources.Load<ComputeShader>("Monitors/WaveformCompute.compute");
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}
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public override void Dispose()
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{
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GraphicsUtils.Destroy(m_Material);
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GraphicsUtils.Destroy(m_WaveformTexture);
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if (m_Buffer != null)
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m_Buffer.Release();
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m_Material = null;
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m_WaveformTexture = null;
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m_Buffer = null;
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}
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public override bool IsSupported()
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{
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return m_ComputeShader != null && GraphicsUtils.supportsDX11;
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}
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public override GUIContent GetMonitorTitle()
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{
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return s_MonitorTitle;
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}
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public override void OnMonitorSettings()
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{
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EditorGUI.BeginChangeCheck();
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bool refreshOnPlay = m_MonitorSettings.refreshOnPlay;
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float exposure = m_MonitorSettings.paradeExposure;
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refreshOnPlay = GUILayout.Toggle(refreshOnPlay, new GUIContent(FxStyles.playIcon, "Keep refreshing the parade in play mode; this may impact performances."), FxStyles.preButton);
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exposure = GUILayout.HorizontalSlider(exposure, 0.05f, 0.3f, FxStyles.preSlider, FxStyles.preSliderThumb, GUILayout.Width(40f));
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if (EditorGUI.EndChangeCheck())
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{
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Undo.RecordObject(m_BaseEditor.serializedObject.targetObject, "Parade Settings Changed");
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m_MonitorSettings.refreshOnPlay = refreshOnPlay;
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m_MonitorSettings.paradeExposure = exposure;
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InternalEditorUtility.RepaintAllViews();
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}
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}
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public override void OnMonitorGUI(Rect r)
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{
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if (Event.current.type == EventType.Repaint)
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{
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// If m_MonitorAreaRect isn't set the preview was just opened so refresh the render to get the waveform data
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if (Mathf.Approximately(m_MonitorAreaRect.width, 0) && Mathf.Approximately(m_MonitorAreaRect.height, 0))
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InternalEditorUtility.RepaintAllViews();
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// Sizing
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float width = m_WaveformTexture != null
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? Mathf.Min(m_WaveformTexture.width, r.width - 65f)
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: r.width;
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float height = m_WaveformTexture != null
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? Mathf.Min(m_WaveformTexture.height, r.height - 45f)
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: r.height;
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m_MonitorAreaRect = new Rect(
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Mathf.Floor(r.x + r.width / 2f - width / 2f),
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Mathf.Floor(r.y + r.height / 2f - height / 2f - 5f),
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width, height
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);
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if (m_WaveformTexture != null)
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{
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m_Material.SetFloat("_Exposure", m_MonitorSettings.paradeExposure);
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var oldActive = RenderTexture.active;
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Graphics.Blit(null, m_WaveformTexture, m_Material, 0);
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RenderTexture.active = oldActive;
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Graphics.DrawTexture(m_MonitorAreaRect, m_WaveformTexture);
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var color = Color.white;
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const float kTickSize = 5f;
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// Rect, lines & ticks points
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// A O B P C Q D
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// N E
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// M F
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// L G
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// K T J S I R H
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var A = new Vector3(m_MonitorAreaRect.x, m_MonitorAreaRect.y);
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var D = new Vector3(A.x + m_MonitorAreaRect.width + 1f, m_MonitorAreaRect.y);
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var H = new Vector3(D.x, D.y + m_MonitorAreaRect.height + 1f);
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var K = new Vector3(A.x, H.y);
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var F = new Vector3(D.x, D.y + (H.y - D.y) / 2f);
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var M = new Vector3(A.x, A.y + (K.y - A.y) / 2f);
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var B = new Vector3(A.x + (D.x - A.x) / 3f, A.y);
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var C = new Vector3(A.x + (D.x - A.x) * 2f / 3f, A.y);
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var I = new Vector3(K.x + (H.x - K.x) * 2f / 3f, K.y);
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var J = new Vector3(K.x + (H.x - K.x) / 3f, K.y);
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var N = new Vector3(A.x, A.y + (M.y - A.y) / 2f);
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var L = new Vector3(A.x, M.y + (K.y - M.y) / 2f);
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var E = new Vector3(D.x, D.y + (F.y - D.y) / 2f);
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var G = new Vector3(D.x, F.y + (H.y - F.y) / 2f);
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var O = new Vector3(A.x + (B.x - A.x) / 2f, A.y);
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var P = new Vector3(B.x + (C.x - B.x) / 2f, B.y);
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var Q = new Vector3(C.x + (D.x - C.x) / 2f, C.y);
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var R = new Vector3(I.x + (H.x - I.x) / 2f, I.y);
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var S = new Vector3(J.x + (I.x - J.x) / 2f, J.y);
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var T = new Vector3(K.x + (J.x - K.x) / 2f, K.y);
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// Borders
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Handles.color = color;
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Handles.DrawLine(A, D);
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Handles.DrawLine(D, H);
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Handles.DrawLine(H, K);
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Handles.DrawLine(K, new Vector3(A.x, A.y - 1f));
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Handles.DrawLine(B, J);
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Handles.DrawLine(C, I);
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// Vertical ticks
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Handles.DrawLine(A, new Vector3(A.x - kTickSize, A.y));
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Handles.DrawLine(N, new Vector3(N.x - kTickSize, N.y));
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Handles.DrawLine(M, new Vector3(M.x - kTickSize, M.y));
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Handles.DrawLine(L, new Vector3(L.x - kTickSize, L.y));
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Handles.DrawLine(K, new Vector3(K.x - kTickSize, K.y));
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Handles.DrawLine(D, new Vector3(D.x + kTickSize, D.y));
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Handles.DrawLine(E, new Vector3(E.x + kTickSize, E.y));
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Handles.DrawLine(F, new Vector3(F.x + kTickSize, F.y));
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Handles.DrawLine(G, new Vector3(G.x + kTickSize, G.y));
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Handles.DrawLine(H, new Vector3(H.x + kTickSize, H.y));
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// Horizontal ticks
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Handles.DrawLine(A, new Vector3(A.x, A.y - kTickSize));
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Handles.DrawLine(B, new Vector3(B.x, B.y - kTickSize));
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Handles.DrawLine(C, new Vector3(C.x, C.y - kTickSize));
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Handles.DrawLine(D, new Vector3(D.x, D.y - kTickSize));
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Handles.DrawLine(O, new Vector3(O.x, O.y - kTickSize));
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Handles.DrawLine(P, new Vector3(P.x, P.y - kTickSize));
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Handles.DrawLine(Q, new Vector3(Q.x, Q.y - kTickSize));
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Handles.DrawLine(H, new Vector3(H.x, H.y + kTickSize));
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Handles.DrawLine(I, new Vector3(I.x, I.y + kTickSize));
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Handles.DrawLine(J, new Vector3(J.x, J.y + kTickSize));
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Handles.DrawLine(K, new Vector3(K.x, K.y + kTickSize));
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Handles.DrawLine(R, new Vector3(R.x, R.y + kTickSize));
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Handles.DrawLine(S, new Vector3(S.x, S.y + kTickSize));
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Handles.DrawLine(T, new Vector3(T.x, T.y + kTickSize));
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// Labels
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GUI.color = color;
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GUI.Label(new Rect(A.x - kTickSize - 34f, A.y - 15f, 30f, 30f), "1.0", FxStyles.tickStyleRight);
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GUI.Label(new Rect(M.x - kTickSize - 34f, M.y - 15f, 30f, 30f), "0.5", FxStyles.tickStyleRight);
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GUI.Label(new Rect(K.x - kTickSize - 34f, K.y - 15f, 30f, 30f), "0.0", FxStyles.tickStyleRight);
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GUI.Label(new Rect(D.x + kTickSize + 4f, D.y - 15f, 30f, 30f), "1.0", FxStyles.tickStyleLeft);
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GUI.Label(new Rect(F.x + kTickSize + 4f, F.y - 15f, 30f, 30f), "0.5", FxStyles.tickStyleLeft);
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GUI.Label(new Rect(H.x + kTickSize + 4f, H.y - 15f, 30f, 30f), "0.0", FxStyles.tickStyleLeft);
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}
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}
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}
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public override void OnFrameData(RenderTexture source)
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{
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if (Application.isPlaying && !m_MonitorSettings.refreshOnPlay)
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return;
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if (Mathf.Approximately(m_MonitorAreaRect.width, 0) || Mathf.Approximately(m_MonitorAreaRect.height, 0))
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return;
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float ratio = ((float)source.width / (float)source.height) / 3f;
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int h = 384;
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int w = Mathf.FloorToInt(h * ratio);
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var rt = RenderTexture.GetTemporary(w, h, 0, source.format);
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Graphics.Blit(source, rt);
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ComputeWaveform(rt);
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m_BaseEditor.Repaint();
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RenderTexture.ReleaseTemporary(rt);
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}
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void CreateBuffer(int width, int height)
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{
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m_Buffer = new ComputeBuffer(width * height, sizeof(uint) << 2);
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}
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void ComputeWaveform(RenderTexture source)
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{
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if (m_Buffer == null)
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{
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CreateBuffer(source.width, source.height);
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}
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else if (m_Buffer.count != (source.width * source.height))
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{
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m_Buffer.Release();
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CreateBuffer(source.width, source.height);
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}
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var channels = m_MonitorSettings.waveformY
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? new Vector4(0f, 0f, 0f, 1f)
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: new Vector4(m_MonitorSettings.waveformR ? 1f : 0f, m_MonitorSettings.waveformG ? 1f : 0f, m_MonitorSettings.waveformB ? 1f : 0f, 0f);
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var cs = m_ComputeShader;
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int kernel = cs.FindKernel("KWaveformClear");
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cs.SetBuffer(kernel, "_Waveform", m_Buffer);
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cs.Dispatch(kernel, source.width, 1, 1);
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kernel = cs.FindKernel("KWaveform");
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cs.SetBuffer(kernel, "_Waveform", m_Buffer);
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cs.SetTexture(kernel, "_Source", source);
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cs.SetInt("_IsLinear", GraphicsUtils.isLinearColorSpace ? 1 : 0);
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cs.SetVector("_Channels", channels);
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cs.Dispatch(kernel, source.width, 1, 1);
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if (m_WaveformTexture == null || m_WaveformTexture.width != (source.width * 3) || m_WaveformTexture.height != source.height)
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{
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GraphicsUtils.Destroy(m_WaveformTexture);
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m_WaveformTexture = new RenderTexture(source.width * 3, source.height, 0, RenderTextureFormat.ARGB32, RenderTextureReadWrite.Linear)
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{
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hideFlags = HideFlags.DontSave,
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wrapMode = TextureWrapMode.Clamp,
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filterMode = FilterMode.Bilinear
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};
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}
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if (m_Material == null)
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m_Material = new Material(Shader.Find("Hidden/Post FX/Monitors/Parade Render")) { hideFlags = HideFlags.DontSave };
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m_Material.SetBuffer("_Waveform", m_Buffer);
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m_Material.SetVector("_Size", new Vector2(m_WaveformTexture.width, m_WaveformTexture.height));
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m_Material.SetVector("_Channels", channels);
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}
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}
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}
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