void CreateRenderTextures()
{
//Load image file as Texture
//Create render texture for plane A's material
var textureForA = Resources.Load <Texture2D>(textureAPath) as Texture;
CustomRenderTexture rtForA = new CustomRenderTexture(256, 256);
rtForA.initializationTexture = textureForA;
rtForA.initializationMode = CustomRenderTextureUpdateMode.Realtime;
rtForA.updateMode = CustomRenderTextureUpdateMode.Realtime;
rtForA.material = planeAmaterial;
rtForA.wrapMode = TextureWrapMode.Repeat;
rtForA.Create();
planeAmaterial.SetTexture("_MainTex", rtForA);
//Create render texture for plane B's material
var textureForB = Resources.Load <Texture2D>(textureBPath) as Texture;
CustomRenderTexture rtForB = new CustomRenderTexture(256, 256);
rtForB.initializationTexture = textureForB;
rtForB.initializationMode = CustomRenderTextureUpdateMode.Realtime;
rtForB.updateMode = CustomRenderTextureUpdateMode.Realtime;
rtForB.material = planeBmaterial;
rtForB.wrapMode = TextureWrapMode.Repeat;
rtForB.Create();
planeBmaterial.SetTexture("_MainTex", rtForB);
}
private void Awake()
{
m_displayImage = GetComponent <RawImage>();
m_rect = GetComponent <RectTransform>();
m_drawingMaterial = Resources.Load <Material>("SimpleDrawingMaterial");
m_customtex = new CustomRenderTexture((int)(m_rect.rect.width * m_renderMultiplier), (int)(m_rect.rect.height * m_renderMultiplier));
m_drawingMaterial = new Material(m_drawingMaterial);
m_customtex.material = m_drawingMaterial;
m_drawingMaterial.SetTexture("_Tex", m_customtex);
m_drawingMaterial.SetFloat("_heightRatio", (float)m_customtex.height / (float)m_customtex.width);
m_customtex.updateZoneSpace = CustomRenderTextureUpdateZoneSpace.Pixel;
m_customtex.doubleBuffered = true;
m_customtex.initializationMode = CustomRenderTextureUpdateMode.OnDemand;
m_customtex.initializationColor = m_initializationColor;
m_customtex.updateMode = CustomRenderTextureUpdateMode.OnDemand;
m_customtex.Create();
m_customtex.Initialize();
m_displayImage.texture = m_customtex;
if (m_colors.Length > 0)
{
SetColor(0);
}
// init lastpos / currentpos to some negative value out of the canvas
lastpos = NormalizeToElementSpace(-Vector2.one);
UpdateCursorPosition(-Vector2.one);
}
private void Start()
{
_paintMaterial = new Material(Shader.Find("Unlit/Painter"));
_rt = new CustomRenderTexture(textureSize, textureSize, GraphicsFormat.B8G8R8A8_UNorm)
{
dimension = TextureDimension.Tex2D,
doubleBuffered = true,
initializationMode = CustomRenderTextureUpdateMode.OnLoad,
initializationColor = windowDirtColor,
updateMode = CustomRenderTextureUpdateMode.OnLoad,
updateZoneSpace = CustomRenderTextureUpdateZoneSpace.Normalized,
filterMode = FilterMode.Point,
material = _paintMaterial,
shaderPass = 0,
};
_rt.material = _paintMaterial;
{
RenderTexture.active = _rt;
Texture2D tex = new Texture2D(textureSize, textureSize);
}
_rt.Create();
_paintMaterial.SetTexture("_Tex", _rt);
_paintMaterial.SetFloat("_DirtRate", 1 - dirtRate * Time.fixedDeltaTime); //update the dirt frequency
_paintMaterial.SetFloat("_Radius", spongeRadius);
MeshRenderer mr = GetComponent <MeshRenderer>();
mr.material.SetTexture("_BaseMap", _rt);
mr.material.SetColor("_BaseColor", Color.white);
}
/// <summary>
/// ペイント用テクスチャをリセット
/// </summary>
/// <param name="recreate">テクスチャを再生成するか</param>
private void ResetPaintTexture(bool recreate)
{
if (recreate && paintTexture != null)
{
// CustomRenderTexture.Initialize()では_SelfTexture2Dが初期化されないため，新たにCustomRenderTextureを作成する
var tmpTexture = new CustomRenderTexture(paintTexture.width, paintTexture.height, paintTexture.format, RenderTextureReadWrite.Default)
{
material = paintTexture.material,
initializationSource = paintTexture.initializationSource,
initializationColor = paintTexture.initializationColor,
initializationTexture = paintTexture.initializationTexture,
initializationMode = paintTexture.initializationMode,
updateMode = paintTexture.updateMode,
doubleBuffered = paintTexture.doubleBuffered
};
tmpTexture.Create();
paintTexture.Release();
paintTexture = tmpTexture;
}
paintTexture.Initialize();
// メインテクスチャにセット
paintRenderer.material.mainTexture = paintTexture;
}
void Start()
{
Texture mainTexture = paintRenderer.material.mainTexture;
// メインテクスチャの解像度が低い場合は固定値
int width = mainTexture.width;
int height = mainTexture.height;
if (width < 256 || height < 256)
{
width = 256;
height = 256;
}
// ペイントするテクスチャを作成
paintTexture = new CustomRenderTexture(width, height, RenderTextureFormat.ARGB32, RenderTextureReadWrite.Default)
{
material = paintMat,
initializationSource = CustomRenderTextureInitializationSource.TextureAndColor,
initializationColor = Color.white,
initializationTexture = mainTexture,
initializationMode = CustomRenderTextureUpdateMode.OnDemand,
updateMode = CustomRenderTextureUpdateMode.OnDemand,
doubleBuffered = true
};
paintTexture.Create();
// 頂点マップを作成
vertexMap = new RenderTexture(width, height, 0, RenderTextureFormat.ARGBFloat, RenderTextureReadWrite.Default)
{
filterMode = FilterMode.Point
};
// 頂点マップの初期化
SetVertexMap();
// 集計用テクスチャの生成
colorCountTexture = new RenderTexture(paintTexture.width, paintTexture.height, 0, RenderTextureFormat.ARGB32)
{
hideFlags = HideFlags.HideAndDontSave,
enableRandomWrite = true,
filterMode = FilterMode.Point
};
colorCountTexture.Create();
forDebug.material.mainTexture = colorCountTexture;
// 集計用シェーダーの設定
kernelId = colorCountShader.FindKernel("CountColor");
int color1Id = Shader.PropertyToID("_Color1");
int color2Id = Shader.PropertyToID("_Color2");
colorCountShader.SetVector(color1Id, color1);
colorCountShader.SetVector(color2Id, color2);
Clear(false);
}
/// <summary>
/// Forces the volume map cells to be the closest possible to the specified size
/// </summary>
/// <param name="size">Uniform size desired for a single cell</param>
public void ForceCellSize(float size)
{
volumeMap.Release();
volumeMap.width = Mathf.CeilToInt(transform.lossyScale.x / size);
volumeMap.height = Mathf.CeilToInt(transform.lossyScale.y / size);
volumeMap.volumeDepth = Mathf.CeilToInt(transform.lossyScale.z / size);
volumeMap.Create();
InitializeVolumeMap();
}
void CreateOutputCustomRenderTexture()
{
_outputCustomRenderTexture = new CustomRenderTexture(videoOutputSizeInPixels.x, videoOutputSizeInPixels.y, RenderTextureFormat.ARGB32, RenderTextureReadWrite.Default);
_outputCustomRenderTexture.updateMode = CustomRenderTextureUpdateMode.Realtime;
_outputCustomRenderTexture.Create();
_outputCustomRenderTexture.material = outputCRTMaterial;
_outputCRTMaterial.SetTexture("_MainTex", _outputRenderTexture);
}
public IEnumerator Initialize()
{
if (writableTexture.IsCreated() == false)
{
writableTexture.Create();
}
writableTexture.Initialize();
yield return(null);
}
public static CustomRenderTexture GenerateNoiseRT(NoiseType type, float scale, int width, int height, int depth = 128)
{
CustomRenderTexture noiseRT = new CustomRenderTexture(width, height);
noiseRT.format = RenderTextureFormat.ARGB32;
noiseRT.wrapMode = TextureWrapMode.Repeat;
noiseRT.filterMode = FilterMode.Bilinear;
noiseRT.updateMode = CustomRenderTextureUpdateMode.Realtime;
noiseRT.initializationMode = CustomRenderTextureUpdateMode.Realtime;
noiseRT.initializationSource = CustomRenderTextureInitializationSource.Material;
noiseRT.enableRandomWrite = true;
switch (type)
{
case NoiseType.PerilinNoise2D:
noiseRT.dimension = UnityEngine.Rendering.TextureDimension.Tex2D;
noiseRT.material = m_perlin2D;
noiseRT.initializationMaterial = m_perlin2D;
noiseRT.shaderPass = 0;
noiseRT.material.SetFloat("_Scale", scale);
break;
case NoiseType.PerilinNoise2D_Tileable:
noiseRT.dimension = UnityEngine.Rendering.TextureDimension.Tex2D;
noiseRT.material = m_perlin2D_Tile;
noiseRT.initializationMaterial = m_perlin2D_Tile;
noiseRT.shaderPass = 0;
noiseRT.material.SetFloat("_Scale", scale);
break;
case NoiseType.PerilinNoise3D:
noiseRT.dimension = UnityEngine.Rendering.TextureDimension.Tex3D;
noiseRT.volumeDepth = depth;
noiseRT.material = m_perlin3D;
noiseRT.initializationMaterial = m_perlin3D;
noiseRT.shaderPass = 0;
noiseRT.material.SetFloat("_Scale", scale);
break;
case NoiseType.PerilinNoise3D_ZLoop:
noiseRT.dimension = UnityEngine.Rendering.TextureDimension.Tex3D;
noiseRT.volumeDepth = depth;
noiseRT.material = m_perlin3D_ZLoop;
noiseRT.initializationMaterial = m_perlin3D_ZLoop;
noiseRT.shaderPass = 0;
noiseRT.material.SetFloat("_Scale", scale);
break;
}
noiseRT.Initialize();
noiseRT.Update();
noiseRT.Create();
return(noiseRT);
}
public static CustomRenderTexture CreateTextureForScreen(int width, int height)
{
var texture = new CustomRenderTexture(width, height, RenderTextureFormat.RGFloat);
texture.autoGenerateMips = true;
texture.useDynamicScale = true;
texture.wrapMode = TextureWrapMode.Mirror;
texture.filterMode = FilterMode.Bilinear;
texture.anisoLevel = 0;
texture.initializationMode = CustomRenderTextureUpdateMode.OnDemand;
texture.initializationColor = Color.black;
texture.updateMode = CustomRenderTextureUpdateMode.OnDemand;
texture.doubleBuffered = true;
texture.Create();
return(texture);
}
/// <summary>
/// Creates a render texture for use with the compute shader
/// </summary>
private void initRenderTexture()
{
if (_target == null || _target.width != Screen.width || _target.height != Screen.height)
{
// Release render texture if we already have one
if (_target != null)
{
_target.Release();
}
// Get a render target for Ray Tracing
_target = new CustomRenderTexture(Screen.width, Screen.height, RenderTextureFormat.ARGBFloat, RenderTextureReadWrite.Linear);
_target.material = renderMaterial;
_target.enableRandomWrite = true;
_target.Create();
}
}
public static CustomRenderTexture GenerateNoise2DBlendRT(Material blendMat, int width, int height)
{
CustomRenderTexture noiseRT = new CustomRenderTexture(width, height);
noiseRT.format = RenderTextureFormat.ARGB32;
noiseRT.wrapMode = TextureWrapMode.Repeat;
noiseRT.filterMode = FilterMode.Bilinear;
noiseRT.updateMode = CustomRenderTextureUpdateMode.Realtime;
noiseRT.initializationMode = CustomRenderTextureUpdateMode.Realtime;
noiseRT.initializationSource = CustomRenderTextureInitializationSource.Material;
noiseRT.enableRandomWrite = true;
noiseRT.dimension = UnityEngine.Rendering.TextureDimension.Tex2D;
noiseRT.material = blendMat;
noiseRT.initializationMaterial = blendMat;
noiseRT.shaderPass = 0;
noiseRT.Initialize();
noiseRT.Update();
noiseRT.Create();
return(noiseRT);
}
void Start()
{
render_texture = new CustomRenderTexture(resolution, resolution, 0);
render_texture.enableRandomWrite = true;
render_texture.Create();
render_texture.updateMode = CustomRenderTextureUpdateMode.Realtime;
render_texture.initializationMode = CustomRenderTextureUpdateMode.Realtime;
render_texture.initializationMaterial = SourceMaterial;
render_texture.initializationSource = CustomRenderTextureInitializationSource.Material;
render_texture.material = new Material(Shader.Find("Unlit/Texture"));
InternalShader.SetTexture(0, "render_texture", render_texture);
compute_buffer = new ComputeBuffer(resolution * resolution, sizeof(float) * 3, ComputeBufferType.Default);
InternalShader.SetBuffer(0, "compute_buffer", compute_buffer);
InternalShader.SetFloat("brightness", brightness);
if (gamma)
{
InternalShader.SetFloat("color_space", 0.4545f);
}
else
{
InternalShader.SetFloat("color_space", 1.0f);
}
}
public static CustomRenderTexture GenerateNoise2DRT(Noise2DType type, float scale, int width, int height, int depth = 128)
{
CustomRenderTexture noiseRT = new CustomRenderTexture(width, height);
noiseRT.format = RenderTextureFormat.RFloat;
noiseRT.wrapMode = TextureWrapMode.Repeat;
noiseRT.filterMode = FilterMode.Bilinear;
noiseRT.updateMode = CustomRenderTextureUpdateMode.Realtime;
noiseRT.initializationMode = CustomRenderTextureUpdateMode.Realtime;
noiseRT.initializationSource = CustomRenderTextureInitializationSource.Material;
noiseRT.enableRandomWrite = true;
noiseRT.dimension = UnityEngine.Rendering.TextureDimension.Tex2D;
noiseRT.material = new Material(Shader.Find(noise2DDict[type]));
noiseRT.initializationMaterial = noiseRT.material;
noiseRT.shaderPass = 0;
noiseRT.material.SetFloat("_Scale", scale);
noiseRT.Initialize();
noiseRT.Update();
noiseRT.Create();
return(noiseRT);
}
public override void Init(int w, int h)
{
width = w;
height = h;
updateMat = new Material(Shader.Find("Hidden/MicroSplat/StreamUpdateSRP"));
buffer0 = new CustomRenderTexture(w, h, RenderTextureFormat.ARGB32, RenderTextureReadWrite.Linear);
buffer1 = new CustomRenderTexture(w, h, RenderTextureFormat.ARGB32, RenderTextureReadWrite.Linear);
buffer0.initializationMode = CustomRenderTextureUpdateMode.OnDemand;
buffer1.initializationMode = CustomRenderTextureUpdateMode.OnDemand;
buffer0.updateMode = CustomRenderTextureUpdateMode.OnDemand;
buffer1.updateMode = CustomRenderTextureUpdateMode.OnDemand;
buffer0.initializationSource = CustomRenderTextureInitializationSource.TextureAndColor;
buffer1.initializationSource = CustomRenderTextureInitializationSource.TextureAndColor;
buffer0.initializationTexture = Texture2D.blackTexture;
buffer1.initializationTexture = Texture2D.blackTexture;
buffer0.depth = 0;
buffer1.depth = 0;
buffer0.material = updateMat;
buffer1.material = updateMat;
buffer0.Create();
buffer1.Create();
buffer0.Initialize();
buffer1.Initialize();
}
private void OnValidate()
{
height = (int)Mathf.Max(height, 1f);
if (cachedHeight == height)
{
return;
}
if (screen == null)
{
return;
}
screen.Release();
screen = new CustomRenderTexture((int)(height * mainCamera.aspect), height)
{
filterMode = FilterMode.Point
};
screen.Create();
cachedHeight = height;
}
private void OnRenderImage(RenderTexture src, RenderTexture dest)
{
if (mainCamera == null)
{
Graphics.Blit(src, dest);
return;
}
if (screen == null)
{
screen = new CustomRenderTexture((int)(height * mainCamera.aspect), height)
{
filterMode = FilterMode.Point
};
screen.Create();
Graphics.Blit(src, dest);
return;
}
_applyShader ??= gameObject.GetComponent <ApplyShader>();
if (_applyShader && _applyShader.enabled)
{
Material _customMat = _applyShader.CurrentMaterial;
if (_customMat != null)
{
screen.material = _customMat;
}
}
Graphics.Blit(src, screen);
Graphics.Blit(screen, dest);
}
protected bool UpdateTempRenderTexture(ref CustomRenderTexture target, bool hasMips = false, bool autoGenerateMips = false)
{
if (graph.outputTexture == null)
{
return(false);
}
int outputWidth = rtSettings.GetWidth(graph);
int outputHeight = rtSettings.GetHeight(graph);
int outputDepth = rtSettings.GetDepth(graph);
GraphicsFormat targetFormat = rtSettings.GetGraphicsFormat(graph);
TextureDimension dimension = rtSettings.GetTextureDimension(graph);
if (dimension == TextureDimension.Cube)
{
outputHeight = outputDepth = outputWidth; // we only use the width for cubemaps
}
if (targetFormat == GraphicsFormat.None)
{
targetFormat = graph.outputTexture.graphicsFormat;
}
if (dimension == TextureDimension.None)
{
dimension = TextureDimension.Tex2D;
}
if (target == null)
{
target = new CustomRenderTexture(outputWidth, outputHeight, targetFormat)
{
volumeDepth = Math.Max(1, outputDepth),
dimension = dimension,
name = $"Mixture Temp {name}",
updateMode = CustomRenderTextureUpdateMode.OnDemand,
doubleBuffered = rtSettings.doubleBuffered,
wrapMode = rtSettings.wrapMode,
filterMode = rtSettings.filterMode,
useMipMap = hasMips,
autoGenerateMips = autoGenerateMips,
};
target.Create();
return(true);
}
// TODO: check if format is supported by current system
// Warning: here we use directly the settings from the
if (target.width != outputWidth ||
target.height != outputHeight ||
target.graphicsFormat != targetFormat ||
target.dimension != dimension ||
target.volumeDepth != outputDepth ||
target.filterMode != graph.outputTexture.filterMode ||
target.doubleBuffered != rtSettings.doubleBuffered ||
target.wrapMode != rtSettings.wrapMode ||
target.filterMode != rtSettings.filterMode ||
target.useMipMap != hasMips ||
target.autoGenerateMips != autoGenerateMips)
{
target.Release();
target.width = Math.Max(1, outputWidth);
target.height = Math.Max(1, outputHeight);
target.graphicsFormat = (GraphicsFormat)targetFormat;
target.dimension = (TextureDimension)dimension;
target.volumeDepth = outputDepth;
target.doubleBuffered = rtSettings.doubleBuffered;
target.wrapMode = rtSettings.wrapMode;
target.filterMode = rtSettings.filterMode;
target.useMipMap = hasMips;
target.autoGenerateMips = autoGenerateMips;
target.Create();
}
return(false);
}
protected bool UpdateTempRenderTexture(ref CustomRenderTexture target, bool hasMips = false, bool autoGenerateMips = false,
CustomRenderTextureUpdateMode updateMode = CustomRenderTextureUpdateMode.OnDemand, bool depthBuffer = false,
GraphicsFormat overrideGraphicsFormat = GraphicsFormat.None)
{
if (graph.mainOutputTexture == null)
{
return(false);
}
bool changed = false;
int outputWidth = rtSettings.GetWidth(graph);
int outputHeight = rtSettings.GetHeight(graph);
int outputDepth = rtSettings.GetDepth(graph);
GraphicsFormat targetFormat = overrideGraphicsFormat != GraphicsFormat.None ? overrideGraphicsFormat : rtSettings.GetGraphicsFormat(graph);
TextureDimension dimension = GetTempTextureDimension();
outputWidth = Mathf.Max(outputWidth, 1);
outputHeight = Mathf.Max(outputHeight, 1);
outputDepth = Mathf.Max(outputDepth, 1);
if (dimension == TextureDimension.Cube)
{
outputHeight = outputDepth = outputWidth; // we only use the width for cubemaps
}
if (targetFormat == GraphicsFormat.None)
{
targetFormat = graph.mainOutputTexture.graphicsFormat;
}
if (dimension == TextureDimension.None)
{
dimension = TextureDimension.Tex2D;
}
if (target == null)
{
target = new CustomRenderTexture(outputWidth, outputHeight, targetFormat)
{
volumeDepth = Math.Max(1, outputDepth),
depth = depthBuffer ? 32 : 0,
dimension = dimension,
name = $"Mixture Temp {name}",
updateMode = CustomRenderTextureUpdateMode.OnDemand,
doubleBuffered = rtSettings.doubleBuffered,
wrapMode = rtSettings.wrapMode,
filterMode = rtSettings.filterMode,
useMipMap = hasMips,
autoGenerateMips = autoGenerateMips,
enableRandomWrite = true,
hideFlags = HideFlags.HideAndDontSave,
updatePeriod = GetUpdatePeriod(),
};
target.Create();
target.material = MixtureUtils.dummyCustomRenderTextureMaterial;
return(true);
}
// TODO: check if format is supported by current system
// Warning: here we use directly the settings from the
if (target.width != Math.Max(1, outputWidth) ||
target.height != Math.Max(1, outputHeight) ||
target.graphicsFormat != targetFormat ||
target.dimension != dimension ||
target.volumeDepth != outputDepth ||
target.filterMode != rtSettings.filterMode ||
target.doubleBuffered != rtSettings.doubleBuffered ||
target.wrapMode != rtSettings.wrapMode ||
target.useMipMap != hasMips ||
target.autoGenerateMips != autoGenerateMips ||
target.updatePeriod != GetUpdatePeriod())
{
target.Release();
target.width = Math.Max(1, outputWidth);
target.height = Math.Max(1, outputHeight);
target.graphicsFormat = (GraphicsFormat)targetFormat;
target.dimension = dimension;
target.volumeDepth = outputDepth;
target.doubleBuffered = rtSettings.doubleBuffered;
target.wrapMode = rtSettings.wrapMode;
target.filterMode = rtSettings.filterMode;
target.useMipMap = hasMips;
target.autoGenerateMips = autoGenerateMips;
target.enableRandomWrite = true;
target.updatePeriod = GetUpdatePeriod();
target.hideFlags = HideFlags.HideAndDontSave;
target.Create();
if (target.material == null)
{
target.material = MixtureUtils.dummyCustomRenderTextureMaterial;
}
changed = true;
}
// Patch update mode based on graph type
target.updateMode = updateMode;
if (target.doubleBuffered)
{
target.EnsureDoubleBufferConsistency();
var rt = target.GetDoubleBufferRenderTexture();
if (rt.enableRandomWrite != true)
{
rt.Release();
rt.enableRandomWrite = true;
rt.Create();
}
}
if (target.IsCreated())
{
target.Create();
}
return(changed);
}
