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using UnityEngine;
using System.Collections;
[ExecuteInEditMode]
[RequireComponent(typeof(Camera))]
public class PostEffectsBase : MonoBehaviour {
protected bool supportHDRTextures = false;
protected bool isSupported = true;
protected Material CheckShaderAndCreateMaterial (Shader s,Material m2Create)
{
if (!s) {
//Debug.Log("Missing shader in " + this.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 "+this.ToString()+" is not supported on this platform!");
return null;
}
else {
m2Create = new Material (s);
m2Create.hideFlags = HideFlags.DontSave;
if (m2Create)
return m2Create;
else return null;
}
}
protected Material CreateMaterial (Shader s,Material m2Create)
{
if (!s) {
//Debug.Log ("Missing shader in " + this.ToString ());
return null;
}
if (m2Create && (m2Create.shader == s) && (s.isSupported))
return m2Create;
if (!s.isSupported) {
return null;
}
else {
m2Create = new Material (s);
m2Create.hideFlags = HideFlags.DontSave;
if (m2Create)
return m2Create;
else return null;
}
}
protected void OnEnable()
{
isSupported = true;
}
protected bool CheckSupport()
{
return CheckSupport (false);
}
protected bool CheckResources()
{
//Debug.LogWarning ("CheckResources () for " + this.ToString() + " should be overwritten.");
return isSupported;
}
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<Camera>().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;
}
protected void ReportAutoDisable()
{
//Debug.LogWarning ("The image effect " + this.ToString() + " has been disabled as it's not supported on the current platform.");
}
// deprecated but needed for old effects to survive upgrading
protected bool CheckShader(Shader s)
{
//Debug.Log("The shader " + s.ToString () + " on effect "+ this.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 Assets 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 < 0.0f;
// Set up the simple Matrix
GL.PushMatrix();
GL.LoadOrtho();
for (int i = 0; i < material.passCount; i++)
{
material.SetPass(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();
}
}
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