public void Eval(RenderTexture src, RenderTexture dest, RenderTextureCollection rtCollection)
{
int count = filters.Count;
RenderTexture prev = RenderTexture.active;
RenderTexture[] rts = new RenderTexture[2];
int srcIndex = 0;
int destIndex = 1;
rts[0] = RenderTexture.GetTemporary(src.descriptor);
rts[1] = RenderTexture.GetTemporary(src.descriptor);
Graphics.Blit(src, rts[0]);
for (int i = 0; i < count; ++i)
{
if (filters[i].enabled)
{
filters[i].Eval(rts[srcIndex], rts[destIndex], rtCollection);
destIndex += srcIndex;
srcIndex = destIndex - srcIndex;
destIndex = destIndex - srcIndex;
}
}
Graphics.Blit(rts[srcIndex], dest);
RenderTexture.ReleaseTemporary(rts[0]);
RenderTexture.ReleaseTemporary(rts[1]);
RenderTexture.active = prev;
}
public FilterContext(Terrain t, Vector3 brushPos, float brushSize, float brushRotation)
{
terrain = t;
sourceRenderTexture = null;
destinationRenderTexture = null;
renderTextureCollection = new RenderTextureCollection();
properties = new Dictionary <string, float>();
this.brushPos = brushPos;
this.brushSize = brushSize;
this.brushRotation = brushRotation;
}
private void Init()
{
if (!m_initialized)
{
LoadSettings();
m_rtCollection = new RenderTextureCollection();
m_rtCollection.AddRenderTexture(RenderTextureIDs.cameraView, "cameraView", GraphicsFormat.R8G8B8A8_SRGB);
m_rtCollection.AddRenderTexture(RenderTextureIDs.meshStamp, "meshStamp", GraphicsFormat.R16_SFloat);
m_rtCollection.AddRenderTexture(RenderTextureIDs.sourceHeight, "sourceHeight", GraphicsFormat.R16_UNorm);
m_rtCollection.AddRenderTexture(RenderTextureIDs.combinedHeight, "combinedHeight", GraphicsFormat.R16_UNorm);
m_rtCollection.debugSize = EditorWindow.GetWindow <SceneView>().position.height / 4;
m_initialized = true;
}
}
public override void Eval(RenderTexture src, RenderTexture dest, RenderTextureCollection rtCollection)
{
Graphics.Blit(src, dest, FilterUtility.builtinMaterial, ( int )FilterUtility.BuiltinPasses.Negate);
}
public override void Eval(RenderTexture src, RenderTexture dest, RenderTextureCollection rtCollection)
{
FilterUtility.builtinMaterial.SetFloat("_Add", value);
Graphics.Blit(src, dest, FilterUtility.builtinMaterial, ( int )FilterUtility.BuiltinPasses.Add);
}
public override void Eval(RenderTexture src, RenderTexture dest, RenderTextureCollection rtCollection)
{
FilterUtility.builtinMaterial.SetVector("_ClampRange", range);
Graphics.Blit(src, dest, FilterUtility.builtinMaterial, ( int )FilterUtility.BuiltinPasses.Clamp);
}
public virtual void Eval(RenderTexture src, RenderTexture dest, RenderTextureCollection rtCollection)
{
}
public override void Eval(RenderTexture src, RenderTexture dest, RenderTextureCollection rtCollection)
{
FilterUtility.builtinMaterial.SetVector("_RemapRanges", new Vector4(fromRange.x, fromRange.y, toRange.x, toRange.y));
Graphics.Blit(src, dest, FilterUtility.builtinMaterial, ( int )FilterUtility.BuiltinPasses.Remap);
}