private void UpdateTextureData(IFrameVideo videoData)
{
if (_texture0 == null)
{
return;
}
var lockRect = _texture0.LockRectangle(0, D3DLOCK.NONE);
try
{
unsafe
{
fixed(int *srcPtr = videoData.Buffer)
{
NativeMethods.CopyStride(
(int *)lockRect.pBits,
srcPtr,
_frameSize.Width,
_frameSize.Height,
_textureStride);
}
}
}
finally
{
_texture0.UnlockRectangle(0);
}
}
private void UpdateTextureSize(Size size)
{
if (_texture0 != null)
{
_texture0.Dispose();
_texture0 = null;
}
if (_textureMaskTv != null)
{
_textureMaskTv.Dispose();
_textureMaskTv = null;
}
_frameSize = size;
var maxSize = Math.Max(size.Width, size.Height);
var potSize = ScaleHelper.GetPotSize(maxSize);
_texture0 = Allocator.Device.CreateTexture(
potSize,
potSize,
1,
D3DUSAGE.NONE,
D3DFORMAT.D3DFMT_X8R8G8B8,
D3DPOOL.D3DPOOL_MANAGED);
_textureStride = potSize;
var maskSizeTv = new Size(size.Width, size.Height * MimicTvRatio);
var maxSizeTv = Math.Max(maskSizeTv.Width, maskSizeTv.Height);
var potSizeTv = ScaleHelper.GetPotSize(maxSizeTv);
_textureMaskTv = Allocator.Device.CreateTexture(
potSizeTv,
potSizeTv,
1,
D3DUSAGE.NONE,
D3DFORMAT.D3DFMT_A8R8G8B8,
D3DPOOL.D3DPOOL_MANAGED);
_textureMaskTvStride = potSizeTv;
var lockRect = _textureMaskTv.LockRectangle(0, D3DLOCK.NONE);
try
{
var pixelColor = 0;
var gapColor = MimicTvAlpha << 24;
unsafe
{
var pdst = (int *)lockRect.pBits;
for (var y = 0; y < maskSizeTv.Height; y++)
{
pdst += potSizeTv;
var color = (y % MimicTvRatio) != (MimicTvRatio - 1) ? pixelColor : gapColor;
for (var x = 0; x < maskSizeTv.Width; x++)
{
pdst[x] = color;
}
}
}
}
finally
{
_textureMaskTv.UnlockRectangle(0);
}
}
