64 lines
3.0 KiB
C#
64 lines
3.0 KiB
C#
// Copyright (c) 2010-2014 SharpDX - Alexandre Mutel
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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using System;
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namespace SharpDX.DXGI
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{
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public partial class Surface
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{
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/// <summary>
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/// Acquires access to the surface data.
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/// </summary>
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/// <param name="flags">Flags specifying CPU access permissions.</param>
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/// <returns>A <see cref="T:SharpDX.DataRectangle" /> for accessing the mapped data, or <c>null</c> on failure.</returns>.
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public DataRectangle Map(MapFlags flags)
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{
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MappedRectangle mappedRect;
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Map(out mappedRect, (int) flags);
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return new DataRectangle(mappedRect.PBits, mappedRect.Pitch);
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}
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/// <summary>
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/// Acquires access to the surface data.
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/// </summary>
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/// <param name="flags">Flags specifying CPU access permissions.</param>
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/// <param name="dataStream">Stream to contain the surface data.</param>
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/// <returns>A <see cref="T:SharpDX.DataRectangle" /> for accessing the mapped data, or <c>null</c> on failure.</returns>.
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public DataRectangle Map(MapFlags flags, out DataStream dataStream)
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{
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var dataRectangle = Map(flags);
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dataStream = new DataStream(dataRectangle.DataPointer, Description.Height * dataRectangle.Pitch, true, true);
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return dataRectangle;
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}
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/// <summary>
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/// Gets a swap chain back buffer.
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/// </summary>
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/// <param name="swapChain">The swap chain to get the buffer from.</param>
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/// <param name="index">The index of the desired buffer.</param>
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/// <returns>The buffer interface, or <c>null</c> on failure.</returns>
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public static Surface FromSwapChain(SwapChain swapChain, int index)
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{
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IntPtr surfacePointer;
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swapChain.GetBuffer(index, Utilities.GetGuidFromType(typeof (Surface)), out surfacePointer);
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return new Surface(surfacePointer);
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}
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}
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} |