Scripts
PostEffectsBase.cs
using System;
using System.Collections.Generic;
using UnityEngine;
namespace UnityStandardastets.ImageEffects
{
[ExecuteInEditMode]
[RequireComponent (typeof(Camera))]
public clast PostEffectsBase : MonoBehaviour
{
protected bool supportHDRTextures = true;
protected bool supportDX11 = false;
protected bool isSupported = true;
private List createdMaterials = new List ();
protected Material CheckShaderAndCreateMaterial ( Shader s, Material m2Create)
{
if (!s)
{
Debug.Log("Missing shader in " + ToString ());
enabled = false;
return null;
}
if (s.isSupported && m2Create && m2Create.shader == s)
return m2Create;
if (!s.isSupported)
{
NotSupported ();
Debug.Log("The shader " + s.ToString() + " on effect "+ToString()+" is not supported on this platform!");
return null;
}
m2Create = new Material (s);
createdMaterials.Add (m2Create);
m2Create.hideFlags = HideFlags.DontSave;
return m2Create;
}
protected Material CreateMaterial (Shader s, Material m2Create)
{
if (!s)
{
Debug.Log ("Missing shader in " + ToString ());
return null;
}
if (m2Create && (m2Create.shader == s) && (s.isSupported))
return m2Create;
if (!s.isSupported)
{
return null;
}
m2Create = new Material (s);
createdMaterials.Add (m2Create);
m2Create.hideFlags = HideFlags.DontSave;
return m2Create;
}
void OnEnable ()
{
isSupported = true;
}
void OnDestroy ()
{
RemoveCreatedMaterials ();
}
private void RemoveCreatedMaterials ()
{
while (createdMaterials.Count > 0)
{
Material mat = createdMaterials[0];
createdMaterials.RemoveAt (0);
#if UNITY_EDITOR
DestroyImmediate (mat);
#else
Destroy(mat);
#endif
}
}
protected bool CheckSupport ()
{
return CheckSupport (false);
}
public virtual bool CheckResources ()
{
Debug.LogWarning ("CheckResources () for " + ToString() + " should be overwritten.");
return isSupported;
}
protected void Start ()
{
CheckResources ();
}
protected bool CheckSupport (bool needDepth)
{
isSupported = true;
supportHDRTextures = SystemInfo.SupportsRenderTextureFormat(RenderTextureFormat.ARGBHalf);
supportDX11 = SystemInfo.graphicsShaderLevel >= 50 && SystemInfo.supportsComputeShaders;
if (!SystemInfo.supportsImageEffects)
{
NotSupported ();
return false;
}
if (needDepth && !SystemInfo.SupportsRenderTextureFormat (RenderTextureFormat.Depth))
{
NotSupported ();
return false;
}
if (needDepth)
GetComponent().depthTextureMode |= DepthTextureMode.Depth;
return true;
}
protected bool CheckSupport (bool needDepth, bool needHdr)
{
if (!CheckSupport(needDepth))
return false;
if (needHdr && !supportHDRTextures)
{
NotSupported ();
return false;
}
return true;
}
public bool Dx11Support ()
{
return supportDX11;
}
protected void ReportAutoDisable ()
{
Debug.LogWarning ("The image effect " + ToString() + " has been disabled as it's not supported on the current platform.");
}
// deprecated but needed for old effects to survive upgrading
bool CheckShader (Shader s)
{
Debug.Log("The shader " + s.ToString () + " on effect "+ ToString () + " is not part of the Unity 3.2+ effects suite anymore. For best performance and quality, please ensure you are using the latest Standard astets Image Effects (Pro only) package.");
if (!s.isSupported)
{
NotSupported ();
return false;
}
else
{
return false;
}
}
protected void NotSupported ()
{
enabled = false;
isSupported = false;
return;
}
protected void DrawBorder (RenderTexture dest, Material material)
{
float x1;
float x2;
float y1;
float y2;
RenderTexture.active = dest;
bool invertY = true; // source.texelSize.y < 0.0ff;
// Set up the simple Matrix
GL.PushMatrix();
GL.LoadOrtho();
for (int i = 0; i < material.pastCount; i++)
{
material.SetPast(i);
float y1_; float y2_;
if (invertY)
{
y1_ = 1.0f; y2_ = 0.0f;
}
else
{
y1_ = 0.0f; y2_ = 1.0f;
}
// left
x1 = 0.0f;
x2 = 0.0f + 1.0f/(dest.width*1.0f);
y1 = 0.0f;
y2 = 1.0f;
GL.Begin(GL.QUADS);
GL.TexCoord2(0.0f, y1_); GL.Vertex3(x1, y1, 0.1f);
GL.TexCoord2(1.0f, y1_); GL.Vertex3(x2, y1, 0.1f);
GL.TexCoord2(1.0f, y2_); GL.Vertex3(x2, y2, 0.1f);
GL.TexCoord2(0.0f, y2_); GL.Vertex3(x1, y2, 0.1f);
// right
x1 = 1.0f - 1.0f/(dest.width*1.0f);
x2 = 1.0f;
y1 = 0.0f;
y2 = 1.0f;
GL.TexCoord2(0.0f, y1_); GL.Vertex3(x1, y1, 0.1f);
GL.TexCoord2(1.0f, y1_); GL.Vertex3(x2, y1, 0.1f);
GL.TexCoord2(1.0f, y2_); GL.Vertex3(x2, y2, 0.1f);
GL.TexCoord2(0.0f, y2_); GL.Vertex3(x1, y2, 0.1f);
// top
x1 = 0.0f;
x2 = 1.0f;
y1 = 0.0f;
y2 = 0.0f + 1.0f/(dest.height*1.0f);
GL.TexCoord2(0.0f, y1_); GL.Vertex3(x1, y1, 0.1f);
GL.TexCoord2(1.0f, y1_); GL.Vertex3(x2, y1, 0.1f);
GL.TexCoord2(1.0f, y2_); GL.Vertex3(x2, y2, 0.1f);
GL.TexCoord2(0.0f, y2_); GL.Vertex3(x1, y2, 0.1f);
// bottom
x1 = 0.0f;
x2 = 1.0f;
y1 = 1.0f - 1.0f/(dest.height*1.0f);
y2 = 1.0f;
GL.TexCoord2(0.0f, y1_); GL.Vertex3(x1, y1, 0.1f);
GL.TexCoord2(1.0f, y1_); GL.Vertex3(x2, y1, 0.1f);
GL.TexCoord2(1.0f, y2_); GL.Vertex3(x2, y2, 0.1f);
GL.TexCoord2(0.0f, y2_); GL.Vertex3(x1, y2, 0.1f);
GL.End();
}
GL.PopMatrix();
}
}
}
