/// <summary>
/// Copies pixels from an address in memory into a mip level of Texture2D, converting them from one format to another if necessary.
/// </summary>
/// <param name="texture">The texture to copy to.</param>
/// <param name="level">The index into the texture's mip levels.</param>
/// <param name="pData">The address of the pixel data.</param>
/// <param name="destRect">The destination rectangle.</param>
/// <param name="pitch">The number of bytes occupied by a single row of the pixel data (including padding at the end of rows).</param>
/// <param name="sourceRect">The source rectangle.</param>
/// <param name="pixelFormat">The format of the pixel data.</param>
public static unsafe void SetData(
this Texture2D texture, void* pSurface, void* pData,
ref RECT destRect, uint pitch, ref RECT sourceRect,
D3DFORMAT pixelFormat
)
{
fixed (RECT* pDestRect = &destRect)
fixed (RECT* pSourceRect = &sourceRect) {
var rv = D3DXLoadSurfaceFromMemory(pSurface, null, pDestRect, pData, pixelFormat, pitch, null, pSourceRect, D3DX_FILTER.NONE, 0);
if (rv != 0)
throw new COMException("D3DXLoadSurfaceFromMemory failed", rv);
}
}
private static unsafe extern int D3DXLoadSurfaceFromMemory(
void* pDestSurface,
void* pDestPalette,
RECT* pDestRect,
void* pSrcMemory,
D3DFORMAT srcFormat,
uint srcPitch,
void* pSrcPalette,
RECT* pSrcRect,
D3DX_FILTER filter,
uint colorKey
);
/// <summary>
/// Copies pixels from an address in memory into a mip level of Texture2D, converting them from one format to another if necessary.
/// </summary>
/// <param name="texture">The texture to copy to.</param>
/// <param name="level">The index into the texture's mip levels.</param>
/// <param name="pData">The address of the pixel data.</param>
/// <param name="width">The width of the pixel data (in pixels).</param>
/// <param name="height">The height of the pixel data (in pixels).</param>
/// <param name="pitch">The number of bytes occupied by a single row of the pixel data (including padding at the end of rows).</param>
/// <param name="pixelFormat">The format of the pixel data.</param>
public static unsafe void SetData(
this Texture2D texture, void* pSurface, void* pData,
int width, int height, uint pitch,
D3DFORMAT pixelFormat
)
{
var rect = new RECT {
Top = 0,
Left = 0,
Right = width,
Bottom = height
};
SetData(texture, pSurface, pData, ref rect, pitch, ref rect, pixelFormat);
}
