/// <inheritdoc/>
public override void SetData <T>(T[] data, SetDataOrigin origin = SetDataOrigin.TopLeft)
{
if (willNotBeSampled)
{
throw new NotSupportedException(OpenGLStrings.RenderBufferWillNotBeSampled);
}
texture.SetData <T>(data, origin);
}
/// <summary>
/// Sets the texture's data.
/// </summary>
/// <param name="level">The mipmap level for which to set data.</param>
/// <param name="rect">A rectangle describing the position and size of the data to set.</param>
/// <param name="data">A pointer to the data to set.</param>
/// <param name="offset">The index of the first element to set.</param>
/// <param name="count">The number of elements to set.</param>
/// <param name="stride">The number of elements in one row of data.</param>
/// <param name="format">The format of the data being set.</param>
/// <param name="origin">A <see cref="SetDataOrigin"/> value specifying the origin of the texture data in <paramref name="data"/>.</param>
private unsafe void SetDataInternal(Int32 level, Rectangle?rect, IntPtr data, Int32 offset, Int32 count, Int32 stride, TextureDataFormat format, SetDataOrigin origin)
{
var region = rect ?? new Rectangle(0, 0, width, height);
if (region.Width * region.Height != count)
{
throw new InvalidOperationException(UltravioletStrings.BufferIsWrongSize);
}
const Int32 SizeOfTextureElementInBytes = 4;
var flipHorizontally = (origin == SetDataOrigin.TopRight || origin == SetDataOrigin.BottomRight);
var flipVertically = (origin == SetDataOrigin.TopLeft || origin == SetDataOrigin.TopRight);
TextureUtil.ReorientTextureData(data.ToPointer(), region.Width, region.Height,
SizeOfTextureElementInBytes, flipHorizontally, flipVertically);
if (flipHorizontally)
{
region = new Rectangle((width - region.Width) - region.X, region.Y, region.Width, region.Height);
}
if (flipVertically)
{
region = new Rectangle(region.X, (height - region.Height) - region.Y, region.Width, region.Height);
}
using (OpenGLState.ScopedBindTexture2D(texture))
{
var rowLengthSupported = (!gl.IsGLES2 || gl.IsExtensionSupported("GL_EXT_unpack_subimage"));
var rowLengthFallbackRequired = (stride != 0 && !rowLengthSupported);
if (rowLengthFallbackRequired)
{
var ptr = (Byte *)data.ToPointer();
for (int i = 0; i < height; i++)
{
gl.TextureSubImage2D(texture, gl.GL_TEXTURE_2D, level, region.X, region.Y + i, region.Width, 1,
GetOpenGLTextureFormat(format), gl.GL_UNSIGNED_BYTE, ptr);
ptr += stride * 4;
}
}
else
{
if (rowLengthSupported)
{
gl.PixelStorei(gl.GL_UNPACK_ROW_LENGTH, stride);
gl.ThrowIfError();
}
gl.PixelStorei(gl.GL_UNPACK_ALIGNMENT, 1);
gl.ThrowIfError();
gl.TextureSubImage2D(texture, gl.GL_TEXTURE_2D, level, region.X, region.Y, region.Width, region.Height,
GetOpenGLTextureFormat(format), gl.GL_UNSIGNED_BYTE, data.ToPointer());
gl.ThrowIfError();
if (rowLengthSupported)
{
gl.PixelStorei(gl.GL_UNPACK_ROW_LENGTH, 0);
gl.ThrowIfError();
}
}
}
}
/// <inheritdoc/>
public override void SetData(Int32 level, Rectangle?rect, IntPtr data, Int32 offset, Int32 count, Int32 stride, TextureDataFormat format, SetDataOrigin origin = SetDataOrigin.TopLeft)
{
if (willNotBeSampled)
{
throw new NotSupportedException(OpenGLStrings.RenderBufferWillNotBeSampled);
}
texture.SetData(level, rect, data, offset, count, stride, format, origin);
}
/// <inheritdoc/>
public override void SetData <T>(Int32 level, Rectangle?rect, T[] data, Int32 offset, Int32 count, Int32 stride, SetDataOrigin origin = SetDataOrigin.TopLeft)
{
Contract.EnsureNotDisposed(this, Disposed);
var handle = default(GCHandle);
try
{
handle = GCHandle.Alloc(data, GCHandleType.Pinned);
SetDataInternal(level, rect, handle.AddrOfPinnedObject(), offset, count, stride, TextureDataFormat.RGBA, origin);
}
finally
{
if (handle.IsAllocated)
{
handle.Free();
}
}
}
/// <inheritdoc/>
public override void SetData(Int32 level, Rectangle?rect, IntPtr data, Int32 offset, Int32 count, Int32 stride, TextureDataFormat format, SetDataOrigin origin = SetDataOrigin.TopLeft)
{
Contract.EnsureNotDisposed(this, Disposed);
SetDataInternal(level, rect, data, offset, count, stride, format, origin);
}
/// <inheritdoc/>
public override void SetData <T>(T[] data, SetDataOrigin origin = SetDataOrigin.TopLeft)
{
SetData(0, null, data, 0, (data == null) ? 0 : data.Length);
}
/// <inheritdoc/>
public override void SetData <T>(T[] data, Int32 offset, Int32 count, SetDataOrigin origin = SetDataOrigin.TopLeft)
{
SetData(0, null, data, offset, count);
}
/// <summary>
/// Sets the texture's data.
/// </summary>
/// <param name="level">The mipmap level for which to set data.</param>
/// <param name="rect">A rectangle describing the position and size of the data to set.</param>
/// <param name="data">A pointer to the data to set.</param>
/// <param name="offset">The index of the first element to set.</param>
/// <param name="count">The number of elements to set.</param>
/// <param name="stride">The number of elements in one row of data.</param>
/// <param name="format">The format of the data being set.</param>
/// <param name="origin">A <see cref="SetDataOrigin"/> value specifying the origin of the texture data in <paramref name="data"/>.</param>
private unsafe void SetDataInternal(Int32 level, Rectangle?rect, IntPtr data, Int32 offset, Int32 count, Int32 stride, TextureDataFormat format, SetDataOrigin origin)
{
var region = rect ?? new Rectangle(0, 0, width, height);
if (region.Width * region.Height != count)
{
throw new InvalidOperationException(UltravioletStrings.BufferIsWrongSize);
}
const Int32 SizeOfTextureElementInBytes = 4;
var flipHorizontally = (origin == SetDataOrigin.TopRight || origin == SetDataOrigin.BottomRight);
var flipVertically = (origin == SetDataOrigin.TopLeft || origin == SetDataOrigin.TopRight);
TextureUtil.ReorientTextureData(data.ToPointer(), region.Width, region.Height,
SizeOfTextureElementInBytes, flipHorizontally, flipVertically);
if (flipHorizontally)
{
region = new Rectangle((width - region.Width) - region.X, region.Y, region.Width, region.Height);
}
if (flipVertically)
{
region = new Rectangle(region.X, (height - region.Height) - region.Y, region.Width, region.Height);
}
using (OpenGLState.ScopedBindTexture2D(texture))
{
gl.PixelStorei(gl.GL_UNPACK_ROW_LENGTH, stride);
gl.ThrowIfError();
gl.PixelStorei(gl.GL_UNPACK_ALIGNMENT, 1);
gl.ThrowIfError();
gl.TextureSubImage2D(texture, gl.GL_TEXTURE_2D, level, region.X, region.Y, region.Width, region.Height,
GetOpenGLTextureFormat(format), gl.GL_UNSIGNED_BYTE, data.ToPointer());
gl.ThrowIfError();
gl.PixelStorei(gl.GL_UNPACK_ROW_LENGTH, 0);
gl.ThrowIfError();
}
}
/// <summary> /// Sets the texture's data. /// </summary> /// <typeparam name="T">The type of the elements in the array being set as the texture's data.</typeparam> /// <param name="data">An array containing the data to set.</param> /// <param name="offset">The index of the first element to set.</param> /// <param name="count">The number of elements to set.</param> /// <param name="origin">A <see cref="SetDataOrigin"/> value specifying the origin of the texture data in <paramref name="data"/>.</param> public abstract void SetData <T>(T[] data, Int32 offset, Int32 count, SetDataOrigin origin = SetDataOrigin.TopLeft) where T : struct;
/// <summary> /// Sets the texture's data. /// </summary> /// <typeparam name="T">The type of the elements in the array being set as the texture's data.</typeparam> /// <param name="data">An array containing the data to set.</param> /// <param name="origin">A <see cref="SetDataOrigin"/> value specifying the origin of the texture data in <paramref name="data"/>.</param> public abstract void SetData <T>(T[] data, SetDataOrigin origin = SetDataOrigin.TopLeft) where T : struct;
/// <summary> /// Sets the texture's data. /// </summary> /// <param name="level">The mipmap level for which to set data.</param> /// <param name="rect">A rectangle describing the position and size of the data to set, or <see langword="null"/> to set the entire texture.</param> /// <param name="data">A pointer to the data to set.</param> /// <param name="offset">The index of the first element to set.</param> /// <param name="count">The number of elements to set.</param> /// <param name="stride">The number of elements in one row of data, or zero to use the width of <paramref name="rect"/>.</param> /// <param name="format">The format of the data being set.</param> /// <param name="origin">A <see cref="SetDataOrigin"/> value specifying the origin of the texture data in <paramref name="data"/>.</param> public abstract void SetData(Int32 level, Rectangle?rect, IntPtr data, Int32 offset, Int32 count, Int32 stride, TextureDataFormat format, SetDataOrigin origin = SetDataOrigin.TopLeft);
/// <summary> /// Sets the texture's data. /// </summary> /// <typeparam name="T">The type of the elements of the array to set as the texture's data.</typeparam> /// <param name="level">The mipmap level for which to set data.</param> /// <param name="rect">A rectangle describing the position and size of the data to set, or <see langword="null"/> to set the entire texture.</param> /// <param name="data">An array containing the data to set.</param> /// <param name="offset">The index of the first element to set.</param> /// <param name="count">The number of elements to set.</param> /// <param name="stride">The number of elements in one row of data, or zero to use the width of <paramref name="rect"/>.</param> /// <param name="origin">A <see cref="SetDataOrigin"/> value specifying the origin of the texture data in <paramref name="data"/>.</param> public abstract void SetData <T>(Int32 level, Rectangle?rect, T[] data, Int32 offset, Int32 count, Int32 stride, SetDataOrigin origin = SetDataOrigin.TopLeft) where T : struct;
