public void SavePNG(string path, int _width, int _height)
{
var tex = new Texture2D(_width, _height, TextureParam.ms_TexFormat, false);
if (IsGrey())
{
//for grey scale we have to create a new texture with alpha channel ==1
RenderTexture rt = new RenderTexture(_width, _height, 0, RenderTextureFormat.ARGB32);
Material m = TextureNode.GetMaterial("TextureOps");
m.SetInt("_MainIsGrey", IsGrey() ? 1 : 0);
m.SetInt("_TextureBIsGrey", 1);
m.SetTexture("_GradientTex", GetWhite().m_Destination);
Graphics.Blit(GetHWSourceTexture(), rt, m, (int)ShaderOp.CopyColorAndAlpha);
RenderTexture.active = rt;
tex.ReadPixels(new Rect(0, 0, rt.width, rt.height), 0, 0);
//input.DestinationToTexture(m_Output);
tex.Apply();
RenderTexture.active = null;
rt.DiscardContents();
rt.Release();
rt = null;
}
else
{
RenderTexture.active = m_Destination;
tex.ReadPixels(new Rect(0, 0, m_Width, m_Height), 0, 0);
tex.Apply();
RenderTexture.active = null;
}
byte[] bytes = tex.EncodeToPNG();
if (!string.IsNullOrEmpty(path))
{
File.WriteAllBytes(path, bytes);
}
}
//if we need the data extracted from a renderTexture (for eaxmple to get CPU access to pixles
public Texture2D GetTex2D()
{
if (m_Tex != null)
{
return(m_Tex);
}
var tex = new Texture2D(m_Width, m_Height, TextureParam.ms_TexFormat, false);
if (IsGrey())
{
//for grey scale we have to create a new texture with alpha channel ==1
RenderTexture rt = new RenderTexture(m_Width, m_Height, 0, RenderTextureFormat.ARGB32);
Material m = TextureNode.GetMaterial("TextureOps");
m.SetInt("_MainIsGrey", IsGrey() ? 1 : 0);
m.SetInt("_TextureBIsGrey", 1);
m.SetTexture("_GradientTex", GetWhite().m_Destination);
Graphics.Blit(GetHWSourceTexture(), rt, m, (int)ShaderOp.CopyColorAndAlpha);
RenderTexture.active = rt;
tex.ReadPixels(new Rect(0, 0, rt.width, rt.height), 0, 0);
//input.DestinationToTexture(m_Output);
tex.Apply();
RenderTexture.active = null;
rt.DiscardContents();
rt.Release();
rt = null;
}
else
{
RenderTexture.active = m_Destination;
tex.ReadPixels(new Rect(0, 0, m_Width, m_Height), 0, 0);
tex.Apply();
RenderTexture.active = null;
}
return(tex);
}
void CreatePreviewHistogram(RenderTexture preview)
{
if (m_ComputeShader2 == null)
{
m_ComputeShader2 = (ComputeShader)Resources.Load("EyeHistogram");
}
var cs = m_ComputeShader2;
if (m_Buffer == null)
{
m_Buffer = new ComputeBuffer(512 * 1, sizeof(uint) << 2);
}
int kernel = cs.FindKernel("KHistogramClear");
cs.SetBuffer(kernel, "_Histogram", m_Buffer);
cs.Dispatch(kernel, 1, 1, 1);
kernel = cs.FindKernel("KHistogramGather");
cs.SetBuffer(kernel, "_Histogram", m_Buffer);
Texture source = m_Source.m_Cached;
cs.SetTexture(kernel, "_Source", source);
cs.SetInt("_IsLinear", GraphicsUtils.isLinearColorSpace ? 1 : 0);
cs.SetVector("_Res", new Vector4(source.width, source.height, 0f, 0f));
cs.SetVector("_Channels", new Vector4(1f, 1f, 1f, 0f));
cs.Dispatch(kernel, Mathf.CeilToInt(source.width / 16f), Mathf.CeilToInt(source.height / 16f), 1);
kernel = cs.FindKernel("KHistogramScale");
cs.SetBuffer(kernel, "_Histogram", m_Buffer);
cs.SetVector("_Res", new Vector4(512, 512, 1.0f, 0f));
cs.Dispatch(kernel, 1, 1, 1);
Material m = TextureNode.GetMaterial("TextureOps");
m.SetVector("_Multiply", new Vector4(preview.width, preview.height, 0, 0));
m.SetBuffer("_Histogram", m_Buffer);
Graphics.Blit(m_Source.m_Cached, preview, m, (int)ShaderOp.Histogram);
}
void OnGUI()
{
if (Event.current.type == EventType.ScrollWheel)
{
//mous epos is in window cords 0 y is top, 40 is start of texture
Vector2 adjustedMouse = Event.current.mousePosition;
adjustedMouse.y -= 40;
adjustedMouse.y = position.height - adjustedMouse.y; // texture cords have 0,0 bottom left, mouse co ords are 0,0 top left
Vector2 tPos = adjustedMouse;
tPos.x *= m_Window.width / position.width;
tPos.y *= m_Window.height / position.height;
tPos.x += m_Window.x;
tPos.y += m_Window.y;
//we now have the cord we are zooming in on in texture space
float size = m_Window.width * 0.5f;//(tPos - m_Window.min).magnitude;
size *= 1.0f + (Event.current.delta.y * 0.03f);
m_Window.width = size * 2;
m_Window.height = size * 2;
//after we zoom in or out we want tpos to be at the same mouse pos
// new tposx=adjustedMouse*(m_Window.width/ position.width)+m_WindowX
//m_WindowX=tposx-adjustedMouse*(m_Window.width/ position.width)
//
m_Window.x = tPos.x - adjustedMouse.x * (m_Window.width / position.width);
m_Window.y = (tPos.y - adjustedMouse.y * (m_Window.height / position.height));
Repaint();
// Debug.Log(" mouse wheel "+ Event.current.delta+" scale "+m_Scale+" mouse pos "+ Event.current.mousePosition+" windowpos "+position+" tpos "+tPos+" "+m_Window);
}
if (Event.current.type == EventType.MouseDrag && Event.current.button == 2)
{
m_Window.x -= m_Window.width * Event.current.delta.x / position.width; //steps .3 at a time
m_Window.y += m_Window.height * Event.current.delta.y / position.height; //steps .3 at a time
Repaint();
}
GUILayout.BeginHorizontal();
m_Locked = GUILayout.Toggle(m_Locked, "Locked");
m_Histogram = GUILayout.Toggle(m_Histogram, "Histogram");
GUILayout.EndHorizontal();
if (m_Source == null || m_Source.m_Param == null || m_Source.m_Cached == null)
{
return;
}
int wantWidth = m_Source.m_Cached.width;
int wantHeight = m_Source.m_Cached.height;
if (m_Histogram)
{
wantWidth = 512;
wantHeight = 512;
}
if (m_tex == null || m_tex.width != wantWidth || m_tex.height != wantHeight)
{
AllocTex(wantWidth, wantHeight);
}
Rect texRect = new Rect(2, 20, position.width - 4, position.height - 24);
if (Event.current.type == EventType.Repaint)
{
RenderTexture preview = RenderTexture.GetTemporary(wantWidth, wantHeight, 0, RenderTextureFormat.ARGB32);
Material m = TextureNode.GetMaterial("TextureOps");
m.SetVector("_Multiply", new Vector4(1.0f, 0, 0, 0));
if (m_Histogram)
{
CreatePreviewHistogram(preview);
}
else
{
Graphics.Blit(m_Source.m_Cached, preview, m, m_Source.m_TexMode == TextureNode.TexMode.Greyscale
? (int)ShaderOp.CopyGrey
: (int)ShaderOp.CopyColor);
}
m_tex.ReadPixels(new Rect(0, 0, wantWidth, wantHeight), 0, 0);
m_tex.Apply();
RenderTexture.active = null;
// EditorGUILayout.LabelField("\n Warning: Erases Current Canvas", EditorStyles.wordWrappedLabel);
// EditorGUILayout.Separator();
m_tex.filterMode = FilterMode.Point;
GUILayout.BeginArea(texRect, GUI.skin.box);
//GUI.DrawTexture(texRect, m_tex,ScaleMode.StretchToFill);//ScaleMode.StretchToFill);
GUI.DrawTextureWithTexCoords(texRect, m_tex, m_Window);
//new Rect(0+m_Scale,0 + m_Scale, 1- m_Scale, 1- m_Scale));//ScaleMode.StretchToFill);
//GUI.DrawTexture(texRect, m_Preview, ScaleMode.ScaleToFit);//ScaleMode.StretchToFill);
GUILayout.EndArea();
RenderTexture.ReleaseTemporary(preview);
}
else
{
m_tex.filterMode = FilterMode.Point;
GUILayout.BeginArea(texRect, GUI.skin.box);
GUI.DrawTextureWithTexCoords(texRect, m_tex, m_Window);
GUILayout.EndArea();
}
}
public override bool Calculate()
{
allInputsReady();
if (m_Loops == 0 && (Inputs[0].connection == null || Inputs[0].connection.IsValueNull))//!allInputsReady())
{
// Debug.LogError(" m_LoopCount set to 0 input 0 is null");
m_Loops = 0;
return(true);
}
if (m_Loops > 0 && (Inputs[1].connection == null || Inputs[1].connection.IsValueNull))//!allInputsReady())
{
// Debug.LogError(" m_LoopCount set to 1 input 1 is null");
m_Loops = 1;
return(true);
}
if (m_LoopCount == 0)
{
Outputs[1].SetValue <TextureParam>(Inputs[0].GetValue <TextureParam>());
return(true);
}
while (m_Loops < m_LoopCount)
{
if (m_Loops == 0)
{
//First iteration set output to the first inteartion input
Outputs[0].SetValue <TextureParam>(Inputs[0].GetValue <TextureParam>());
}
else
{
//check if any of our connects to Output Looped, output straight back to us
//if so that creates a render case where the same renderTexture is the input and the output, so make a copy
bool inputIsOutput = false;
foreach (var c in Outputs[0].connections)
{
foreach (var o in c.body.Outputs)
{
foreach (var c2 in o.connections)
{
if (c2.body == this)
{
inputIsOutput = true;
// Debug.LogError("found an in out is the same from " + o.body);
}
}
}
}
if (inputIsOutput)
{
Texture rt = Inputs[1].GetValue <TextureParam>().GetHWSourceTexture();
if (m_Temp == null || m_Temp.m_Destination == null || m_Temp.m_Destination.width != rt.width || m_Temp.m_Destination.height != rt.height || m_Temp.m_Destination.filterMode != rt.filterMode)
{
m_Temp = new TextureParam(Inputs[1].GetValue <TextureParam>());
}
Material m = TextureNode.GetMaterial("TextureOps");
Graphics.Blit(rt, m_Temp.m_Destination, m, (int)ShaderOp.CopyColorAndAlpha);
Outputs[0].SetValue <TextureParam>(m_Temp);
}
else
{
//general loop case set OutLoop to Loop Input
Outputs[0].SetValue <TextureParam>(Inputs[1].GetValue <TextureParam>());
}
}
Outputs[2].SetValue <float>((float)m_Loops / ((float)m_LoopCount - 1.0f));
#if DEBUG_LOOPBASIC
Debug.LogError("Loop Count Inc" + m_Loops + " / " + m_LoopCount + " percentage " +
((float)m_Loops / (float)m_LoopCount));
#endif
m_Loops++;
{
Node.ms_GlobalDirtyID++;
SetDirty(this);
var workList = new List <Node>();
if (Outputs[2] != null) //percentage
{
foreach (var c in Outputs[2].connections)
{
if (c != null)
{
if (!workList.Contains(c.body))
{
workList.Add(c.body);
}
}
}
}
if (Outputs[0] != null) //out loop
{
foreach (var c in Outputs[0].connections)
{
if (c != null)
{
if (!workList.Contains(c.body))
{
workList.Add(c.body);
}
}
}
calculated = false;
}
if (workList.Count > 0)
{
calculated = true; //so the descendant can calculate that uses output 0
// Debug.LogError(NodeEditor.GetPad() + " LoopBasic Executes Worklist");
NodeEditor.StartCalculation(workList); //go finish this worklist
// Debug.LogError(NodeEditor.GetPad() + " LoopBasic Finished Execute Worklist " + workList.Count);
calculated = false;
}
if (workList.Count != 0)
{
/*
* Debug.LogError(NodeEditor.GetPad() + "workList had work left dec loop ");
* foreach (var x in workList)
* Debug.LogError(NodeEditor.GetPad() + "workList had work left " + x);
*/
m_Loops--; //we didnt execute
return(false);
}
}
}
if (m_Loops >= m_LoopCount)
{
//Finished set final output
Outputs[1].SetValue <TextureParam>(Inputs[1].GetValue <TextureParam>());
}
bool ret = m_Loops >= m_LoopCount;
// Debug.Log(NodeEditor.GetPad() +"LoopBasic iterates: "+m_Loops+"/"+m_LoopCount+" return "+ret);
return(ret);
}