void CheckTexture()
{
if (!IsImageAlive)
{
KillTexture();
return;
}
Alt.Sketch.RenderImage renderImage = ImageSourceAsRenderImage;
if (renderImage == null ||
ModificationTime == renderImage.ModificationTime)
{
return;
}
if (SrcWidth != renderImage.PixelWidth ||
SrcHeight != renderImage.PixelHeight ||
PixelFormat != renderImage.PixelFormat)
{
KillTexture();
}
if (SrcWidth < 1 ||
SrcHeight < 1 ||
PixelFormat == Alt.Sketch.PixelFormat.Unknown)
{
return;
}
//int bpp = renderImage.ByteDepth;
if (!m_RenderManager.NonPowerOf2TexturesSupported)
{
TextureWidth = NextPowerOfTwo(SrcWidth);
TextureHeight = NextPowerOfTwo(SrcHeight);
}
else
{
TextureWidth = SrcWidth;
TextureHeight = SrcHeight;
}
if (m_Texture == null)
{
// Create a new texture
m_Texture = new RenderTexture(TextureWidth, TextureHeight, 0, Unity_RenderManager.ToRenderTextureFormat(PixelFormat));
if (m_Texture != null)
{
TextureWidth = m_Texture.width;
TextureHeight = m_Texture.height;
m_Texture.filterMode = FilterMode.Point;
}
}
}
protected override void UpdateIfNeed(Int64 currentTime)
{
if (!IsImageAlive)
{
KillTexture();
return;
}
Alt.Sketch.RenderImage renderImage = ImageSourceAsRenderImage;
if (renderImage == null)
{
return;
}
CheckTexture();
if (ModificationTime != renderImage.ModificationTime)
{
//UpdateTexture();
RenderTexture renderTexture = m_Texture as RenderTexture;
if (renderTexture != null)
{
if (m_Renderer == null)
{
m_Renderer = new Unity_Renderer(m_RenderManager, renderTexture);
m_Renderer.DefaultSmoothingMode = Alt.Sketch.SmoothingMode.None;
}
RenderTexture oldRenderTexture = RenderTexture.active;
RenderTexture.active = renderTexture;
try
{
m_Renderer.BeginRender(null, null, renderTexture.width, renderTexture.height);
GL.Clear(true, true, new Color(0.5f, 0.5f, 0.5f, 0)); //Color.clear);
{
renderImage.Render(Alt.Sketch.Graphics.FromRenderer(m_Renderer));
}
m_Renderer.EndRender();
}
catch (Exception ex)
{
Console.WriteLine(ex.ToString());
}
finally
{
RenderTexture.active = oldRenderTexture;
}
}
ModificationTime = renderImage.ModificationTime;
}
}
