|
public static CopyTexture ( |
||
| src | Source texture. | |
| dst | Destination texture. | |
| return | void | |
private void HandleTextureArry(List <Texture2D> texs)
{
if (texs == null || texs.Count == 0)
{
enabled = false;
return;
}
if (SystemInfo.copyTextureSupport == CopyTextureSupport.None ||
!SystemInfo.supports2DArrayTextures)
{
enabled = false;
return;
}
TexArr = new Texture2DArray(texs[0].width, texs[0].width, texs.Count, TextureFormat.RGBA32, false, false);
for (int i = 0; i < texs.Count; i++)
{
//Debug.Log(" index is" + i);
try
{
Graphics.CopyTexture(texs[i], 0, 0, TexArr, i, 0);
}
catch (Exception e)
{
Debug.Log("index is" + i);
throw e;
}
}
TexArr.wrapMode = TextureWrapMode.Clamp;
TexArr.filterMode = FilterMode.Bilinear;
Debug.Log("HandleTextureArry End ===============>>>>>>>>>>> TexArr Length is " + TexArr.depth);
}
private static void SaveSplitted(string suffix, Texture2D tex, int xSrc, int ySrc, int width, int height,
int xOffset, int yOffset, int x, int y)
{
Texture2D target = new Texture2D(width, height, TextureFormat.RGBA32, false);
var widthSrc = width - xOffset;
var heightSrc = height - yOffset;
UnityGraphics.CopyTexture(tex, 0, 0, xSrc, ySrc, widthSrc, heightSrc, target, 0, 0, x, y);
for (int k = 0; k < height && xOffset > 0; ++k)
{
var c = target.GetPixel(widthSrc - 1, k);
for (int kx = widthSrc; kx < width; ++kx)
{
target.SetPixel(kx, k, c);
}
}
for (int k = 0; k < width && yOffset > 0; ++k)
{
var c = target.GetPixel(k, heightSrc - 1);
for (int ky = heightSrc; ky < height; ++ky)
{
target.SetPixel(k, ky, c);
}
}
target.Apply();
string projectPath = Application.dataPath.Replace("/Assets", "/");
string path = AssetDatabase.GetAssetPath(tex);
path = $"{path.Substring(0, path.LastIndexOf('.'))}_{suffix}.png";
File.WriteAllBytes(projectPath + path, target.EncodeToPNG());
AssetDatabase.ImportAsset(path, ImportAssetOptions.ForceUpdate);
}
private void HandleTextureArry(List <Texture2D> texs)
{
if (texs == null || texs.Count == 0)
{
enabled = false;
return;
}
if (SystemInfo.copyTextureSupport == CopyTextureSupport.None ||
!SystemInfo.supports2DArrayTextures)
{
enabled = false;
return;
}
TexArr = new Texture2DArray(texs[0].width, texs[0].width, texs.Count, TextureFormat.DXT5, false, false);
for (int i = 0; i < texs.Count; i++)
{
Graphics.CopyTexture(texs[i], 0, 0, TexArr, i, 0);
}
TexArr.wrapMode = TextureWrapMode.Clamp;
TexArr.filterMode = FilterMode.Bilinear;
}
public void CopyActiveRenderTextureToTexture(string textureName, int textureIndex, RectInt sourceRect, Vector2Int dest, bool allowDelayedCPUSync)
{
if (String.IsNullOrEmpty(textureName))
{
throw new ArgumentNullException("textureName");
}
var source = RenderTexture.active;
if (source == null)
{
throw new InvalidOperationException("Active RenderTexture is null.");
}
int textureWidth = 0;
int textureHeight = 0;
if (textureName == SurfaceMaskTextureName)
{
if (textureIndex != 0)
{
throw new ArgumentOutOfRangeException("textureIndex");
}
else if (source == surfaceMaskTexture)
{
throw new ArgumentException("source", "Active RenderTexture cannot be surfaceMaskTexture.");
}
textureWidth = textureHeight = surfaceMaskResolution;
}
else if (textureName == AlphamapTextureName)
{
if (textureIndex < 0 || textureIndex >= alphamapTextureCount)
{
throw new ArgumentOutOfRangeException("textureIndex");
}
textureWidth = textureHeight = alphamapResolution;
}
else
{
// TODO: Support generic terrain textures.
throw new ArgumentException($"Unrecognized terrain texture name: \"{textureName}\"");
}
if (sourceRect.x < 0 || sourceRect.y < 0 || sourceRect.xMax > source.width || sourceRect.yMax > source.height)
{
throw new ArgumentOutOfRangeException("sourceRect");
}
else if (dest.x < 0 || dest.x + sourceRect.width > textureWidth)
{
throw new ArgumentOutOfRangeException("dest.x");
}
else if (dest.y < 0 || dest.y + sourceRect.height > textureHeight)
{
throw new ArgumentOutOfRangeException("dest.y");
}
if (textureName == SurfaceMaskTextureName)
{
Internal_CopyActiveRenderTextureToSurfaceMask(sourceRect, dest.x, dest.y, allowDelayedCPUSync);
return;
}
var dstTexture = GetAlphamapTexture(textureIndex);
// Delay synching back (using ReadPixels) if CopyTexture can be used.
// TODO: Checking the format compatibility is difficult as it varies by platforms. For instance copying between ARGB32 RT and RGBA32 Tex seems to be fine on all tested platforms...
allowDelayedCPUSync = allowDelayedCPUSync && SupportsCopyTextureBetweenRTAndTexture;
if (allowDelayedCPUSync)
{
if (dstTexture.mipmapCount > 1)
{
// Composes mip0 in a RT with full mipchain.
var tmp = RenderTexture.GetTemporary(new RenderTextureDescriptor(dstTexture.width, dstTexture.height, source.format)
{
sRGB = false,
useMipMap = true,
autoGenerateMips = false
});
if (!tmp.IsCreated())
{
tmp.Create();
}
Graphics.CopyTexture(dstTexture, 0, 0, tmp, 0, 0);
Graphics.CopyTexture(source, 0, 0, sourceRect.x, sourceRect.y, sourceRect.width, sourceRect.height, tmp, 0, 0, dest.x, dest.y);
// Generate the mips on the GPU
tmp.GenerateMips();
// Copy the full mipchain back to the alphamap texture
Graphics.CopyTexture(tmp, dstTexture);
RenderTexture.ReleaseTemporary(tmp);
}
else
{
Graphics.CopyTexture(source, 0, 0, sourceRect.x, sourceRect.y, sourceRect.width, sourceRect.height, dstTexture, 0, 0, dest.x, dest.y);
}
// TODO: Support generic terrain textures.
Internal_MarkAlphamapDirtyRegion(textureIndex, dest.x, dest.y, sourceRect.width, sourceRect.height);
}
else
{
if (SystemInfo.graphicsDeviceType == GraphicsDeviceType.Metal || !SystemInfo.graphicsUVStartsAtTop)
{
dstTexture.ReadPixels(new Rect(sourceRect.x, sourceRect.y, sourceRect.width, sourceRect.height), dest.x, dest.y);
}
else
{
dstTexture.ReadPixels(new Rect(sourceRect.x, source.height - sourceRect.yMax, sourceRect.width, sourceRect.height), dest.x, dest.y);
}
dstTexture.Apply(true);
// TODO: Check if the texture is previously marked dirty?
// TODO: Support generic terrain textures.
Internal_ClearAlphamapDirtyRegion(textureIndex);
}
Experimental.TerrainAPI.TerrainCallbacks.InvokeTextureChangedCallback(this, textureName, new RectInt(dest.x, dest.y, sourceRect.width, sourceRect.height), !allowDelayedCPUSync);
}
