/// <summary>
/// Map the GPU buffer allocated by this BufferObject.
/// </summary>
/// <param name="ctx">
/// A <see cref="GraphicsContext"/> required for mapping this BufferObject.
/// </param>
/// <param name="mask">
/// A <see cref="BufferAccessARB"/> that specify the map access.
/// </param>
/// <exception cref="InvalidOperationException">
/// Exception thrown if this BufferObject is already mapped.
/// </exception>
/// <exception cref="InvalidOperationException">
/// Exception thrown if this BufferObject does not exist for <paramref name="ctx"/>.
/// </exception>
/// <remarks>
/// <para>
/// After being mapped, the mapped buffer is accessible via <see cref="MapGet{T}(GraphicsContext, long)"/> or
/// <see cref="MapSet{T}(GraphicsContext, T, long)"/>, or via <see cref="MappedBuffer"/> as raw pointer.
/// </para>
/// </remarks>
public void Map(GraphicsContext ctx, BufferAccessARB mask)
{
CheckThisExistence(ctx);
Debug.Assert(ctx.Caps.GlExtensions.VertexBufferObject_ARB || _GpuBuffer != null);
// Map GPU buffer (actual or fake)
_MappedBuffer = ctx.Caps.GlExtensions.VertexBufferObject_ARB ? Gl.MapBuffer(BufferType, mask) : _GpuBuffer.AlignedBuffer;
}
/// <summary>
/// Map the GPU buffer allocated by this BufferObject.
/// </summary>
/// <param name="ctx">
/// A <see cref="GraphicsContext"/> required for mapping this BufferObject.
/// </param>
/// <param name="mask">
/// A <see cref="BufferAccessARB"/> that specify the map access.
/// </param>
/// <exception cref="InvalidOperationException">
/// Exception thrown if this BufferObject is already mapped.
/// </exception>
/// <exception cref="InvalidOperationException">
/// Exception thrown if this BufferObject does not exist for <paramref name="ctx"/>.
/// </exception>
/// <remarks>
/// <para>
/// After being mapped, the mapped buffer is accessible via <see cref="MapGet{T}(GraphicsContext, long)"/> or
/// <see cref="MapSet{T}(GraphicsContext, T, long)"/>, or via <see cref="MappedBuffer"/> as raw pointer.
/// </para>
/// </remarks>
public void Map(GraphicsContext ctx, BufferAccessARB mask)
{
CheckThisExistence(ctx);
Debug.Assert(ctx.Extensions.VertexBufferObject_ARB || _GpuBuffer != null);
if (ctx.Extensions.VertexBufferObject_ARB)
{
BindCore(ctx);
_MappedBuffer = Gl.MapBuffer(BufferType, mask);
}
else
{
_MappedBuffer = _GpuBuffer.AlignedBuffer;
}
}
public abstract unsafe void *MapBuffer([Flow(FlowDirection.In)] BufferTargetARB target, [Flow(FlowDirection.In)] BufferAccessARB access);
public partial void BindImageTexture([Flow(FlowDirection.In)] uint index, [Flow(FlowDirection.In)] uint texture, [Flow(FlowDirection.In)] int level, [Flow(FlowDirection.In)] bool layered, [Flow(FlowDirection.In)] int layer, [Flow(FlowDirection.In)] BufferAccessARB access, [Flow(FlowDirection.In)] int format);
public static IntPtr MapBuffer(BufferTargetARB target, BufferAccessARB access)
{
IntPtr retValue;
Debug.Assert(Delegates.pglMapBuffer != null, "pglMapBuffer not implemented");
retValue = Delegates.pglMapBuffer((Int32)target, (Int32)access);
LogFunction("glMapBuffer({0}, {1}) = {2}", target, access, retValue.ToString("X8"));
DebugCheckErrors(retValue);
return (retValue);
}
public unsafe partial void *MapBuffer([Flow(FlowDirection.In)] BufferTargetARB target, [Flow(FlowDirection.In)] BufferAccessARB access);
public abstract void BindImageTexture([Flow(FlowDirection.In)] uint unit, [Flow(FlowDirection.In)] uint texture, [Flow(FlowDirection.In)] int level, [Flow(FlowDirection.In)] bool layered, [Flow(FlowDirection.In)] int layer, [Flow(FlowDirection.In)] BufferAccessARB access, [Flow(FlowDirection.In)] InternalFormat format);
public partial void BindImageTexture([Flow(FlowDirection.In)] uint unit, [Flow(FlowDirection.In)] uint texture, [Flow(FlowDirection.In)] int level, [Flow(FlowDirection.In)] Boolean layered, [Flow(FlowDirection.In)] int layer, [Flow(FlowDirection.In)] BufferAccessARB access, [Flow(FlowDirection.In)] InternalFormat format);
