public override void WriteData(int offset, int length, BufferBase src, bool discardWholeBuffer)
{
//Update the shadow buffer
if (useShadowBuffer)
{
var destData = shadowBuffer.Lock(offset, length, discardWholeBuffer ? BufferLocking.Discard : BufferLocking.Normal);
src = destData;
shadowBuffer.Unlock();
}
if (offset == 0 && length == sizeInBytes)
{
GL.BufferData(GLenum.ArrayBuffer, new IntPtr(sizeInBytes), src.Pin(), GLES2HardwareBufferManager.GetGLUsage(usage));
GLES2Config.GlCheckError(this);
}
else
{
if (discardWholeBuffer)
{
GL.BufferData(GLenum.ArrayBuffer, new IntPtr(sizeInBytes), IntPtr.Zero, GLES2HardwareBufferManager.GetGLUsage(usage));
GLES2Config.GlCheckError(this);
}
GL.BufferSubData(GLenum.ArrayBuffer, new IntPtr(offset), new IntPtr(length), src.Pin());
GLES2Config.GlCheckError(this);
}
}
public override void WriteData( int offset, int length, BufferBase src, bool discardWholeBuffer )
{
//Update the shadow buffer
if ( useShadowBuffer )
{
var destData = shadowBuffer.Lock( offset, length, discardWholeBuffer ? BufferLocking.Discard : BufferLocking.Normal );
src = destData;
shadowBuffer.Unlock();
}
if ( offset == 0 && length == sizeInBytes )
{
GL.BufferData( GLenum.ArrayBuffer, new IntPtr( sizeInBytes ), src.Pin(), GLESHardwareBufferManager.GetGLUsage( usage ) );
GLESConfig.GlCheckError( this );
}
else
{
if ( discardWholeBuffer )
{
GL.BufferData( GLenum.ArrayBuffer, new IntPtr( sizeInBytes ), IntPtr.Zero, GLESHardwareBufferManager.GetGLUsage( usage ) );
GLESConfig.GlCheckError( this );
}
GL.BufferSubData( GLenum.ArrayBuffer, new IntPtr( offset ), new IntPtr( length ), src.Pin() );
GLESConfig.GlCheckError( this );
}
}
/// <summary>
///
/// </summary>
/// <param name="offset"></param>
/// <param name="length"></param>
/// <param name="dest"></param>
public override void ReadData( int offset, int length, BufferBase dest )
{
if ( useShadowBuffer )
{
// lock the buffer for reading
var src = shadowBuffer.Lock( offset, length, BufferLocking.ReadOnly );
// copy that data in there
Memory.Copy( src, dest, length );
// unlock the buffer
shadowBuffer.Unlock();
}
else
{
Gl.glBindBufferARB( Gl.GL_ARRAY_BUFFER_ARB, this.bufferID );
Gl.glGetBufferSubDataARB( Gl.GL_ARRAY_BUFFER_ARB, new IntPtr( offset ), new IntPtr( length ), dest.Pin() );
// TAO 2.0
dest.UnPin();
//Gl.glGetBufferSubDataARB(
// Gl.GL_ARRAY_BUFFER_ARB,
// offset,
// length,
// dest );
}
}
/// <summary>
///
/// </summary>
/// <param name="offset"></param>
/// <param name="length"></param>
/// <param name="src"></param>
/// <param name="discardWholeBuffer"></param>
public override void WriteData( int offset, int length, BufferBase src, bool discardWholeBuffer )
{
Gl.glBindBufferARB( Gl.GL_ARRAY_BUFFER_ARB, this.bufferID );
if ( useShadowBuffer )
{
// lock the buffer for reading
var dest = shadowBuffer.Lock( offset, length, discardWholeBuffer ? BufferLocking.Discard : BufferLocking.Normal );
// copy that data in there
Memory.Copy( src, dest, length );
// unlock the buffer
shadowBuffer.Unlock();
}
if ( discardWholeBuffer )
{
Gl.glBufferDataARB( Gl.GL_ARRAY_BUFFER_ARB, new IntPtr( sizeInBytes ), IntPtr.Zero, GLHelper.ConvertEnum( usage ) );
// TAO 2.0
//Gl.glBufferDataARB( Gl.GL_ARRAY_BUFFER_ARB,
// sizeInBytes,
// IntPtr.Zero,
// GLHelper.ConvertEnum( usage ) );
}
Gl.glBufferSubDataARB( Gl.GL_ARRAY_BUFFER_ARB, new IntPtr( offset ), new IntPtr( length ), src.Pin() ); // TAO 2.0
src.UnPin();
//Gl.glBufferSubDataARB(
// Gl.GL_ARRAY_BUFFER_ARB,
// offset,
// length,
// src );
}
/// <summary>
///
/// </summary>
/// <param name="offset"></param>
/// <param name="length"></param>
/// <param name="dest"></param>
public override void ReadData(int offset, int length, BufferBase dest)
{
if (useShadowBuffer)
{
// lock the buffer for reading
var src = shadowBuffer.Lock(offset, length, BufferLocking.ReadOnly);
// copy that data in there
Memory.Copy(src, dest, length);
// unlock the buffer
shadowBuffer.Unlock();
}
else
{
Gl.glBindBufferARB(Gl.GL_ARRAY_BUFFER_ARB, this.bufferID);
Gl.glGetBufferSubDataARB(Gl.GL_ARRAY_BUFFER_ARB, new IntPtr(offset), new IntPtr(length), dest.Pin());
// TAO 2.0
dest.UnPin();
//Gl.glGetBufferSubDataARB(
// Gl.GL_ARRAY_BUFFER_ARB,
// offset,
// length,
// dest );
}
}
/// <summary>
///
/// </summary>
/// <param name="offset"></param>
/// <param name="length"></param>
/// <param name="src"></param>
/// <param name="discardWholeBuffer"></param>
public override void WriteData(int offset, int length, BufferBase src, bool discardWholeBuffer)
{
Gl.glBindBufferARB(Gl.GL_ARRAY_BUFFER_ARB, this.bufferID);
if (useShadowBuffer)
{
// lock the buffer for reading
var dest = shadowBuffer.Lock(offset, length, discardWholeBuffer ? BufferLocking.Discard : BufferLocking.Normal);
// copy that data in there
Memory.Copy(src, dest, length);
// unlock the buffer
shadowBuffer.Unlock();
}
if (discardWholeBuffer)
{
Gl.glBufferDataARB(Gl.GL_ARRAY_BUFFER_ARB, new IntPtr(sizeInBytes), IntPtr.Zero, GLHelper.ConvertEnum(usage));
// TAO 2.0
//Gl.glBufferDataARB( Gl.GL_ARRAY_BUFFER_ARB,
// sizeInBytes,
// IntPtr.Zero,
// GLHelper.ConvertEnum( usage ) );
}
Gl.glBufferSubDataARB(Gl.GL_ARRAY_BUFFER_ARB, new IntPtr(offset), new IntPtr(length), src.Pin()); // TAO 2.0
src.UnPin();
//Gl.glBufferSubDataARB(
// Gl.GL_ARRAY_BUFFER_ARB,
// offset,
// length,
// src );
}
public static unsafe Col3b *ToCol3BPointer(this BufferBase buffer)
{
return((Col3b *)buffer.Pin());
}
public static unsafe TextureLightMap *ToTextureLightMapPointer(this BufferBase buffer)
{
return((TextureLightMap *)buffer.Pin());
}
