private void btnDrawWithMask_Click(object sender, EventArgs e)
{
//clear background
drawer.Clear(Colors.White);
//render hint for mask region
DrawMaskRegion();
//create an opacity mask
MaskBuffer mask = new MaskBuffer(buffer.Width, buffer.Height);
double[] coordinates = TestFactory.Star();
TestFactory.Scale(coordinates, 8.0);
Fill fill = Fills.Black;
MaskDrawer maskDrawer = new MaskDrawer(mask);
maskDrawer.DrawPolygon(fill, coordinates);
//render the lion using the opacity mask
drawer.Mask = mask;
DrawLion();
//show to screen
DisplayBuffer(buffer);
//reset opacity mask so that other tests aren't afffected
drawer.Mask = null;
}
/// <summary>
/// Preparing buffer and internal data for using
/// </summary>
/// <param name="buffer">buffer</param>
protected virtual void PrepareBuffer(MaskBuffer buffer)
{
//automatically create a new boundary to match this buffer
if (buffer == null)
{
//mBoundary = Boundary.Empty;
DestBufferWidth = 0;
DestBufferHeight = 0;
//maskst = 0;
//BufferStartOffset = 0;
//BufferData = null;
}
else
{
//mBoundary = new Boundary(mBuffer.Width, mBuffer.Height);
DestBufferWidth = buffer.Width;
DestBufferHeight = buffer.Height;
//BufferStride = mBuffer.Stride;
//BufferStartOffset = mBuffer.StartOffset;
//BufferData = mBuffer.Data;
//mPixelRenderer.PixelBuffer = mBuffer;
}
if ((Rows == null) || (Rows.Length < DestBufferHeight + 1))
{
Rows = new RowData[DestBufferHeight + 1];
}
SetClip(0, 0, DestBufferWidth, DestBufferHeight);
}
public MaskBuffer ScheduleLoadingJob(int2 chunkCoord)
{
MaskBuffer mb = new MaskBuffer(GetByteOffset(chunkCoord, terrainMaskCount), size);
loadingCommandQueue.Add(mb);
loadingThread.AddMission(loadingThreadExecutor);
return(mb);
}
public void Dispose()
{
if (MaskBuffer.IsCreated)
{
MaskBuffer.Dispose();
}
if (MaskViews.IsCreated)
{
MaskViews.Dispose();
}
}
public IEnumerator ReadToTexture(RenderTexture rt, int texElement, MaskBuffer mb, int separateFrame)
{
while (!MaskBufferIsFinished(ref mb))
{
yield return(null);
}
int separateSize = (int)size / separateFrame;
for (int i = 0; i < separateFrame; ++i)
{
SetBufferData(ref mb, separateSize, i);
yield return(null);
}
mb.Dispose();
terrainEditShader.SetInt(ShaderIDs._OffsetIndex, texElement);
terrainEditShader.SetInt(ShaderIDs._Count, (int)resolution);
terrainEditShader.SetTexture(readPass, ShaderIDs._DestTex, rt);
terrainEditShader.SetBuffer(readPass, ShaderIDs._ElementBuffer, readWriteBuffer);
int disp = (int)resolution / 16;
terrainEditShader.Dispatch(readPass, disp, disp, 1);
}
private static bool MaskBufferIsFinished(ref MaskBuffer mb)
{
return(*mb.isFinished);
}
private void SetBufferData(ref MaskBuffer mb, int localsize, int offset)
{
readWriteBuffer.SetDataPtr((mb.bytesData + offset * localsize), localsize * offset, localsize);
}
/// <summary>
/// Preparing buffer and internal data for using
/// </summary>
/// <param name="buffer">buffer</param>
protected virtual void PrepareBuffer(MaskBuffer buffer)
{
//automatically create a new boundary to match this buffer
if (buffer == null)
{
//mBoundary = Boundary.Empty;
DestBufferWidth = 0;
DestBufferHeight = 0;
//maskst = 0;
//BufferStartOffset = 0;
//BufferData = null;
}
else
{
//mBoundary = new Boundary(mBuffer.Width, mBuffer.Height);
DestBufferWidth = buffer.Width;
DestBufferHeight = buffer.Height;
//BufferStride = mBuffer.Stride;
//BufferStartOffset = mBuffer.StartOffset;
//BufferData = mBuffer.Data;
//mPixelRenderer.PixelBuffer = mBuffer;
}
if ((Rows == null) || (Rows.Length < DestBufferHeight + 1))
{
Rows = new RowData[DestBufferHeight + 1];
}
SetClip(0, 0, DestBufferWidth, DestBufferHeight);
}
