public override Texture2D RenderStaticPreview(string assetPath, Object[] subAssets, int width, int height)
{
if (!ShaderUtil.hardwareSupportsRectRenderTexture)
{
return(null);
}
Texture texture = target as Texture;
if (IsCubemap())
{
return(m_CubemapPreview.RenderStaticPreview(texture, width, height));
}
TextureImporter textureImporter = AssetImporter.GetAtPath(assetPath) as TextureImporter;
if (textureImporter != null && textureImporter.textureType == TextureImporterType.Sprite && textureImporter.spriteImportMode == SpriteImportMode.Polygon)
{
// If the texture importer is a Sprite of primitive, use the sprite inspector for generating preview/icon.
if (subAssets.Length > 0)
{
Sprite sprite = subAssets[0] as Sprite;
if (sprite)
{
return(SpriteInspector.BuildPreviewTexture(width, height, sprite, null, true));
}
}
else
{
return(null);
}
}
PreviewHelpers.AdjustWidthAndHeightForStaticPreview(texture.width, texture.height, ref width, ref height);
RenderTexture savedRT = RenderTexture.active;
Rect savedViewport = ShaderUtil.rawViewportRect;
RenderTexture tmp = RenderTexture.GetTemporary(
width, height,
0,
SystemInfo.GetGraphicsFormat(DefaultFormat.LDR));
Material mat = EditorGUI.GetMaterialForSpecialTexture(texture, null, QualitySettings.activeColorSpace == ColorSpace.Linear, false);
if (mat != null)
{
Graphics.Blit(texture, tmp, mat);
}
else
{
Graphics.Blit(texture, tmp);
}
RenderTexture.active = tmp;
Texture2D copy;
Texture2D tex2d = target as Texture2D;
if (tex2d != null && tex2d.alphaIsTransparency)
{
copy = new Texture2D(width, height, TextureFormat.RGBA32, false);
}
else
{
copy = new Texture2D(width, height, TextureFormat.RGB24, false);
}
copy.ReadPixels(new Rect(0, 0, width, height), 0, 0);
copy.Apply();
RenderTexture.ReleaseTemporary(tmp);
EditorGUIUtility.SetRenderTextureNoViewport(savedRT);
ShaderUtil.rawViewportRect = savedViewport;
return(copy);
}
public override Texture2D RenderStaticPreview(string assetPath, UnityEngine.Object[] subAssets, int width, int height)
{
if (!ShaderUtil.hardwareSupportsRectRenderTexture)
{
return(null);
}
Texture texture = this.target as Texture;
if (this.IsCubemap())
{
return(this.m_CubemapPreview.RenderStaticPreview(texture, width, height));
}
TextureImporter textureImporter = AssetImporter.GetAtPath(assetPath) as TextureImporter;
if (textureImporter != null && textureImporter.spriteImportMode == SpriteImportMode.Polygon)
{
Sprite sprite = subAssets[0] as Sprite;
if (sprite)
{
return(SpriteInspector.BuildPreviewTexture(width, height, sprite, null, true));
}
}
PreviewHelpers.AdjustWidthAndHeightForStaticPreview(texture.width, texture.height, ref width, ref height);
RenderTexture active = RenderTexture.active;
Rect rawViewportRect = ShaderUtil.rawViewportRect;
bool flag = !TextureUtil.GetLinearSampled(texture);
RenderTexture temporary = RenderTexture.GetTemporary(width, height, 0, RenderTextureFormat.Default, (!flag) ? RenderTextureReadWrite.Linear : RenderTextureReadWrite.sRGB);
Material material = EditorGUI.GetMaterialForSpecialTexture(texture);
GL.sRGBWrite = (QualitySettings.activeColorSpace == ColorSpace.Linear);
if (material)
{
if (Unsupported.IsDeveloperBuild())
{
material = new Material(material);
}
Graphics.Blit(texture, temporary, material);
}
else
{
Graphics.Blit(texture, temporary);
}
GL.sRGBWrite = false;
RenderTexture.active = temporary;
Texture2D texture2D = this.target as Texture2D;
Texture2D texture2D2;
if (texture2D != null && texture2D.alphaIsTransparency)
{
texture2D2 = new Texture2D(width, height, TextureFormat.ARGB32, false);
}
else
{
texture2D2 = new Texture2D(width, height, TextureFormat.RGB24, false);
}
texture2D2.ReadPixels(new Rect(0f, 0f, (float)width, (float)height), 0, 0);
texture2D2.Apply();
RenderTexture.ReleaseTemporary(temporary);
EditorGUIUtility.SetRenderTextureNoViewport(active);
ShaderUtil.rawViewportRect = rawViewportRect;
if (material && Unsupported.IsDeveloperBuild())
{
UnityEngine.Object.DestroyImmediate(material);
}
return(texture2D2);
}
public static Texture2D BuildPreviewTexture(int width, int height, Sprite sprite, Material spriteRendererMaterial, bool isPolygon)
{
if (!ShaderUtil.hardwareSupportsRectRenderTexture)
{
return(null);
}
float num = sprite.rect.width;
float num2 = sprite.rect.height;
Texture2D spriteTexture = SpriteUtility.GetSpriteTexture(sprite, false);
if (!isPolygon)
{
PreviewHelpers.AdjustWidthAndHeightForStaticPreview((int)num, (int)num2, ref width, ref height);
}
SavedRenderTargetState state = new SavedRenderTargetState();
RenderTexture temp = RenderTexture.GetTemporary(width, height, 0, RenderTextureFormat.Default, RenderTextureReadWrite.Default);
RenderTexture.active = temp;
GL.sRGBWrite = QualitySettings.activeColorSpace == ColorSpace.Linear;
GL.Clear(true, true, new Color(0f, 0f, 0f, 0f));
Texture texture = null;
Vector4 vector = new Vector4(0f, 0f, 0f, 0f);
bool flag = false;
bool flag2 = false;
if (spriteRendererMaterial != null)
{
flag = spriteRendererMaterial.HasProperty("_MainTex");
flag2 = spriteRendererMaterial.HasProperty("_MainTex_TexelSize");
}
Material material = null;
if (spriteRendererMaterial != null)
{
if (flag)
{
texture = spriteRendererMaterial.GetTexture("_MainTex");
spriteRendererMaterial.SetTexture("_MainTex", spriteTexture);
}
if (flag2)
{
vector = spriteRendererMaterial.GetVector("_MainTex_TexelSize");
spriteRendererMaterial.SetVector("_MainTex_TexelSize", TextureUtil.GetTexelSizeVector(spriteTexture));
}
spriteRendererMaterial.SetPass(0);
}
else
{
material = new Material(Shader.Find("Hidden/BlitCopy"))
{
mainTexture = spriteTexture,
mainTextureScale = Vector2.one,
mainTextureOffset = Vector2.zero
};
material.SetPass(0);
}
float num3 = sprite.rect.width / sprite.bounds.size.x;
Vector2[] vertices = sprite.vertices;
Vector2[] uv = sprite.uv;
ushort[] triangles = sprite.triangles;
Vector2 pivot = sprite.pivot;
GL.PushMatrix();
GL.LoadOrtho();
GL.Color(new Color(1f, 1f, 1f, 1f));
GL.Begin(4);
for (int i = 0; i < sprite.triangles.Length; i++)
{
ushort index = triangles[i];
Vector2 vector3 = vertices[index];
Vector2 vector4 = uv[index];
GL.TexCoord(new Vector3(vector4.x, vector4.y, 0f));
GL.Vertex3(((vector3.x * num3) + pivot.x) / num, ((vector3.y * num3) + pivot.y) / num2, 0f);
}
GL.End();
GL.PopMatrix();
GL.sRGBWrite = false;
if (spriteRendererMaterial != null)
{
if (flag)
{
spriteRendererMaterial.SetTexture("_MainTex", texture);
}
if (flag2)
{
spriteRendererMaterial.SetVector("_MainTex_TexelSize", vector);
}
}
Texture2D textured2 = new Texture2D(width, height, TextureFormat.ARGB32, false)
{
hideFlags = HideFlags.HideAndDontSave
};
textured2.ReadPixels(new Rect(0f, 0f, (float)width, (float)height), 0, 0);
textured2.Apply();
RenderTexture.ReleaseTemporary(temp);
state.Restore();
if (material != null)
{
Object.DestroyImmediate(material);
}
return(textured2);
}
public static Texture2D BuildPreviewTexture(Sprite sprite, Material spriteRendererMaterial, bool isPolygon, int width, int height, Color color, Matrix4x4 transform)
{
if (!ShaderUtil.hardwareSupportsRectRenderTexture || sprite == null)
{
return(null);
}
var spriteWidth = sprite.rect.width;
var spriteHeight = sprite.rect.height;
Texture2D texture = UnityEditor.Sprites.SpriteUtility.GetSpriteTexture(sprite, false);
// only adjust the preview texture size if the sprite is not in polygon mode.
// In polygon mode, we are looking at a 4x4 texture will detailed mesh. It's better to maximize the display of it.
if (!isPolygon)
{
// Try to have a minimum of 64 pixels for width and height, unless requested width and height is smaller
var minWidth = Mathf.Min(64, width);
var minHeight = Mathf.Min(64, height);
PreviewHelpers.AdjustWidthAndHeightForStaticPreview((int)spriteWidth, (int)spriteHeight, ref width, ref height);
// Set minimum size for width and height to prevent small previews for small sprites
width = Mathf.Max(minWidth, width);
height = Mathf.Max(minHeight, height);
}
SavedRenderTargetState savedRTState = new SavedRenderTargetState();
RenderTexture tmp = RenderTexture.GetTemporary(
width,
height,
0,
SystemInfo.GetGraphicsFormat(DefaultFormat.LDR));
RenderTexture.active = tmp;
GL.Clear(true, true, new Color(0f, 0f, 0f, 0f));
Texture _oldTexture = null;
Vector4 _oldTexelSize = new Vector4(0, 0, 0, 0);
bool _matHasTexture = false;
bool _matHasTexelSize = false;
if (spriteRendererMaterial != null)
{
_matHasTexture = spriteRendererMaterial.HasProperty("_MainTex");
_matHasTexelSize = spriteRendererMaterial.HasProperty("_MainTex_TexelSize");
}
bool hasColors = sprite.HasVertexAttribute(VertexAttribute.Color);
Material copyMaterial = null;
if (spriteRendererMaterial != null)
{
if (_matHasTexture)
{
_oldTexture = spriteRendererMaterial.GetTexture("_MainTex");
spriteRendererMaterial.SetTexture("_MainTex", texture);
}
if (_matHasTexelSize)
{
_oldTexelSize = spriteRendererMaterial.GetVector("_MainTex_TexelSize");
spriteRendererMaterial.SetVector("_MainTex_TexelSize", TextureUtil.GetTexelSizeVector(texture));
}
spriteRendererMaterial.SetPass(0);
}
else
{
if (hasColors || texture == null)
{
SpriteUtility.previewSpriteDefaultMaterial.SetPass(0);
}
else if (texture != null)
{
copyMaterial = new Material(Shader.Find("Hidden/BlitCopy"));
copyMaterial.mainTexture = texture;
copyMaterial.mainTextureScale = Vector2.one;
copyMaterial.mainTextureOffset = Vector2.zero;
copyMaterial.SetPass(0);
}
}
float pixelsToUnits = sprite.rect.width / sprite.bounds.size.x;
Vector2[] vertices = sprite.vertices;
Vector2[] uvs = Sprites.SpriteUtility.GetSpriteUVs(sprite, false);
ushort[] triangles = sprite.triangles;
Vector2 pivot = sprite.pivot;
NativeSlice <Color32>?colors = null;
if (hasColors)
{
colors = sprite.GetVertexAttribute <Color32>(VertexAttribute.Color);
}
GL.PushMatrix();
GL.LoadOrtho();
GL.Begin(GL.TRIANGLES);
for (int i = 0; i < triangles.Length; ++i)
{
ushort index = triangles[i];
Vector3 vertex = vertices[index];
vertex = transform.MultiplyPoint(vertex);
Vector2 uv = uvs[index];
GL.Color(colors != null ? colors.Value[index] * color : color);
GL.TexCoord(new Vector3(uv.x, uv.y, 0));
GL.Vertex3((vertex.x * pixelsToUnits + pivot.x) / spriteWidth, (vertex.y * pixelsToUnits + pivot.y) / spriteHeight, 0);
}
GL.End();
GL.PopMatrix();
if (spriteRendererMaterial != null)
{
if (_matHasTexture)
{
spriteRendererMaterial.SetTexture("_MainTex", _oldTexture);
}
if (_matHasTexelSize)
{
spriteRendererMaterial.SetVector("_MainTex_TexelSize", _oldTexelSize);
}
}
var tmp2 = RenderTexture.GetTemporary(width, height, 0, GraphicsFormat.R8G8B8A8_UNorm);
Graphics.Blit(tmp, tmp2, EditorGUIUtility.GUITextureBlit2SRGBMaterial);
RenderTexture.active = tmp2;
Texture2D copy = new Texture2D(width, height, TextureFormat.RGBA32, false);
copy.hideFlags = HideFlags.HideAndDontSave;
copy.filterMode = texture != null ? texture.filterMode : FilterMode.Point;
copy.anisoLevel = texture != null ? texture.anisoLevel : 0;
copy.wrapMode = texture != null ? texture.wrapMode : TextureWrapMode.Clamp;
copy.ReadPixels(new Rect(0, 0, width, height), 0, 0);
copy.Apply();
RenderTexture.ReleaseTemporary(tmp);
RenderTexture.ReleaseTemporary(tmp2);
savedRTState.Restore();
if (copyMaterial != null)
{
DestroyImmediate(copyMaterial);
}
return(copy);
}
public static Texture2D BuildPreviewTexture(int width, int height, Sprite sprite, Material spriteRendererMaterial, bool isPolygon)
{
if (!ShaderUtil.hardwareSupportsRectRenderTexture)
{
return((Texture2D)null);
}
float width1 = sprite.rect.width;
float height1 = sprite.rect.height;
Texture2D spriteTexture = UnityEditor.Sprites.SpriteUtility.GetSpriteTexture(sprite, false);
if (!isPolygon)
{
PreviewHelpers.AdjustWidthAndHeightForStaticPreview((int)width1, (int)height1, ref width, ref height);
}
SavedRenderTargetState renderTargetState = new SavedRenderTargetState();
RenderTexture temporary = RenderTexture.GetTemporary(width, height, 0, RenderTextureFormat.Default, RenderTextureReadWrite.Default);
RenderTexture.active = temporary;
GL.sRGBWrite = QualitySettings.activeColorSpace == ColorSpace.Linear;
GL.Clear(true, true, new Color(0.0f, 0.0f, 0.0f, 0.0f));
Texture texture = (Texture)null;
Vector4 vector = new Vector4(0.0f, 0.0f, 0.0f, 0.0f);
bool flag1 = false;
bool flag2 = false;
if ((Object)spriteRendererMaterial != (Object)null)
{
flag1 = spriteRendererMaterial.HasProperty("_MainTex");
flag2 = spriteRendererMaterial.HasProperty("_MainTex_TexelSize");
}
Material material = (Material)null;
if ((Object)spriteRendererMaterial != (Object)null)
{
if (flag1)
{
texture = spriteRendererMaterial.GetTexture("_MainTex");
spriteRendererMaterial.SetTexture("_MainTex", (Texture)spriteTexture);
}
if (flag2)
{
vector = spriteRendererMaterial.GetVector("_MainTex_TexelSize");
spriteRendererMaterial.SetVector("_MainTex_TexelSize", TextureUtil.GetTexelSizeVector((Texture)spriteTexture));
}
spriteRendererMaterial.SetPass(0);
}
else
{
material = new Material(Shader.Find("Hidden/BlitCopy"));
material.mainTexture = (Texture)spriteTexture;
material.mainTextureScale = Vector2.one;
material.mainTextureOffset = Vector2.zero;
material.SetPass(0);
}
float num1 = sprite.rect.width / sprite.bounds.size.x;
Vector2[] vertices = sprite.vertices;
Vector2[] uv = sprite.uv;
ushort[] triangles = sprite.triangles;
Vector2 pivot = sprite.pivot;
GL.PushMatrix();
GL.LoadOrtho();
GL.Color(new Color(1f, 1f, 1f, 1f));
GL.Begin(4);
for (int index = 0; index < triangles.Length; ++index)
{
ushort num2 = triangles[index];
Vector2 vector2_1 = vertices[(int)num2];
Vector2 vector2_2 = uv[(int)num2];
GL.TexCoord(new Vector3(vector2_2.x, vector2_2.y, 0.0f));
GL.Vertex3((vector2_1.x * num1 + pivot.x) / width1, (vector2_1.y * num1 + pivot.y) / height1, 0.0f);
}
GL.End();
GL.PopMatrix();
GL.sRGBWrite = false;
if ((Object)spriteRendererMaterial != (Object)null)
{
if (flag1)
{
spriteRendererMaterial.SetTexture("_MainTex", texture);
}
if (flag2)
{
spriteRendererMaterial.SetVector("_MainTex_TexelSize", vector);
}
}
Texture2D texture2D = new Texture2D(width, height, TextureFormat.ARGB32, false);
texture2D.hideFlags = HideFlags.HideAndDontSave;
texture2D.ReadPixels(new Rect(0.0f, 0.0f, (float)width, (float)height), 0, 0);
texture2D.Apply();
RenderTexture.ReleaseTemporary(temporary);
renderTargetState.Restore();
if ((Object)material != (Object)null)
{
Object.DestroyImmediate((Object)material);
}
return(texture2D);
}
public override Texture2D RenderStaticPreview(string assetPath, Object[] subAssets, int width, int height)
{
if (!ShaderUtil.hardwareSupportsRectRenderTexture)
{
return(null);
}
Texture texture = target as Texture;
GraphicsFormat format = texture.graphicsFormat;
if (!(GraphicsFormatUtility.IsIEEE754Format(format) || GraphicsFormatUtility.IsNormFormat(format)))
{
// Can't generate correct previews for non-float/norm formats. On Metal and Vulkan this even causes validation errors.
return(null);
}
if (IsCubemap())
{
return(m_CubemapPreview.RenderStaticPreview(texture, width, height, GetExposureValueForTexture(texture)));
}
if (IsTexture3D())
{
return(m_Texture3DPreview.RenderStaticPreview(texture, width, height));
}
TextureImporter textureImporter = AssetImporter.GetAtPath(assetPath) as TextureImporter;
if (textureImporter != null && textureImporter.textureType == TextureImporterType.Sprite && textureImporter.spriteImportMode == SpriteImportMode.Polygon)
{
// If the texture importer is a Sprite of primitive, use the sprite inspector for generating preview/icon.
if (subAssets.Length > 0)
{
Sprite sprite = subAssets[0] as Sprite;
if (sprite)
{
return(SpriteInspector.BuildPreviewTexture(sprite, null, true));
}
}
else
{
return(null);
}
}
PreviewHelpers.AdjustWidthAndHeightForStaticPreview(texture.width, texture.height, ref width, ref height);
RenderTexture savedRT = RenderTexture.active;
Rect savedViewport = ShaderUtil.rawViewportRect;
var rt = texture as RenderTexture;
if (rt != null)
{
rt.Create(); // Ensure RT is created. Otherwise the first attempted Blit will end up binding a dummy 2D Texture where it expects a 2D Texture Array. (validation errors observed on Vulkan/Metal)
}
RenderTexture tmp = RenderTexture.GetTemporary(
width, height,
0,
SystemInfo.GetGraphicsFormat(DefaultFormat.LDR));
Material mat = EditorGUI.GetMaterialForSpecialTexture(texture, null, QualitySettings.activeColorSpace == ColorSpace.Linear, false);
if (mat != null)
{
Graphics.Blit(texture, tmp, mat);
}
else
{
Graphics.Blit(texture, tmp);
}
RenderTexture.active = tmp;
Texture2D copy;
Texture2D tex2d = target as Texture2D;
if (tex2d != null && tex2d.alphaIsTransparency)
{
copy = new Texture2D(width, height, TextureFormat.RGBA32, false);
}
else
{
copy = new Texture2D(width, height, TextureFormat.RGB24, false);
}
copy.ReadPixels(new Rect(0, 0, width, height), 0, 0);
copy.Apply();
RenderTexture.ReleaseTemporary(tmp);
EditorGUIUtility.SetRenderTextureNoViewport(savedRT);
ShaderUtil.rawViewportRect = savedViewport;
return(copy);
}
private static Texture2D BuildPreviewTexture(int width, int height, Sprite sprite, Material spriteRendererMaterial)
{
if (!ShaderUtil.hardwareSupportsRectRenderTexture)
{
return(null);
}
float width2 = sprite.rect.width;
float height2 = sprite.rect.height;
Texture2D spriteTexture = UnityEditor.Sprites.SpriteUtility.GetSpriteTexture(sprite, false);
PreviewHelpers.AdjustWidthAndHeightForStaticPreview((int)width2, (int)height2, ref width, ref height);
EditorUtility.SetTemporarilyAllowIndieRenderTexture(true);
SavedRenderTargetState savedRenderTargetState = new SavedRenderTargetState();
RenderTexture temporary = RenderTexture.GetTemporary(width, height, 0, RenderTextureFormat.Default, RenderTextureReadWrite.Default);
RenderTexture.active = temporary;
GL.sRGBWrite = (QualitySettings.activeColorSpace == ColorSpace.Linear);
GL.Clear(true, true, new Color(0f, 0f, 0f, 0f));
Texture texture = null;
Vector4 vector = new Vector4(0f, 0f, 0f, 0f);
bool flag = false;
bool flag2 = false;
if (spriteRendererMaterial != null)
{
flag = spriteRendererMaterial.HasProperty("_MainTex");
flag2 = spriteRendererMaterial.HasProperty("_MainTex_TexelSize");
}
Material material = null;
if (spriteRendererMaterial != null)
{
if (flag)
{
texture = spriteRendererMaterial.GetTexture("_MainTex");
spriteRendererMaterial.SetTexture("_MainTex", spriteTexture);
}
if (flag2)
{
vector = spriteRendererMaterial.GetVector("_MainTex_TexelSize");
spriteRendererMaterial.SetVector("_MainTex_TexelSize", TextureUtil.GetTexelSizeVector(spriteTexture));
}
spriteRendererMaterial.SetPass(0);
}
else
{
material = new Material(Shader.Find("Hidden/BlitCopy"));
material.mainTexture = spriteTexture;
material.SetPass(0);
}
float num = sprite.rect.width / sprite.bounds.size.x;
Vector2[] vertices = sprite.vertices;
Vector2[] uv = sprite.uv;
ushort[] triangles = sprite.triangles;
Vector2 pivot = sprite.pivot;
GL.PushMatrix();
GL.LoadOrtho();
GL.Color(new Color(1f, 1f, 1f, 1f));
GL.Begin(4);
for (int i = 0; i < sprite.triangles.Length; i++)
{
ushort num2 = triangles[i];
Vector2 vector2 = vertices[(int)num2];
Vector2 vector3 = uv[(int)num2];
GL.TexCoord(new Vector3(vector3.x, vector3.y, 0f));
GL.Vertex3((vector2.x * num + pivot.x) / width2, (vector2.y * num + pivot.y) / height2, 0f);
}
GL.End();
GL.PopMatrix();
GL.sRGBWrite = false;
if (spriteRendererMaterial != null)
{
if (flag)
{
spriteRendererMaterial.SetTexture("_MainTex", texture);
}
if (flag2)
{
spriteRendererMaterial.SetVector("_MainTex_TexelSize", vector);
}
}
Texture2D texture2D = new Texture2D(width, height, TextureFormat.ARGB32, false);
texture2D.hideFlags = HideFlags.HideAndDontSave;
texture2D.ReadPixels(new Rect(0f, 0f, (float)width, (float)height), 0, 0);
texture2D.Apply();
RenderTexture.ReleaseTemporary(temporary);
savedRenderTargetState.Restore();
EditorUtility.SetTemporarilyAllowIndieRenderTexture(false);
if (material != null)
{
UnityEngine.Object.DestroyImmediate(material);
}
return(texture2D);
}
