109 lines
4.8 KiB
C#
109 lines
4.8 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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using System.Runtime.InteropServices;
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using SharpDX.Mathematics.Interop;
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namespace SharpDX.Direct3D9
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{
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/// <summary>
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/// A callback function used to fill 2D texture.
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/// </summary>
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/// <param name="coordinate">Texture coordinate being sampled.</param>
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/// <param name="texelSize">Dimensions of the texel.</param>
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/// <returns>The desired color of the specified texel.</returns>
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/// <unmanaged>typedef VOID (WINAPI *LPD3DXFILL2D)(D3DXVECTOR4 *pOut, CONST D3DXVECTOR2 *pTexCoord, CONST D3DXVECTOR2 *pTexelSize, LPVOID pData);</unmanaged>
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public delegate RawColor4 Fill2DCallback(RawVector2 coordinate, RawVector2 texelSize);
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/// <summary>
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/// A callback function used to fill 3D texture.
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/// </summary>
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/// <param name="coordinate">Texture coordinate being sampled.</param>
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/// <param name="texelSize">Dimensions of the texel.</param>
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/// <returns>The desired color of the specified texel.</returns>
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/// <unmanaged>typedef VOID (WINAPI *LPD3DXFILL2D)(D3DXVECTOR4 *pOut, CONST D3DXVECTOR2 *pTexCoord, CONST D3DXVECTOR2 *pTexelSize, LPVOID pData);</unmanaged>
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public delegate RawColor4 Fill3DCallback(RawVector3 coordinate, RawVector3 texelSize);
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/// <summary>
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/// Fill callback helper class.
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/// </summary>
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internal static class FillCallbackHelper
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{
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private static unsafe Fill2DCallbackDelegate native2DCallback = new Fill2DCallbackDelegate(Fill2DCallbackImpl);
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private static unsafe Fill3DCallbackDelegate native3DCallback = new Fill3DCallbackDelegate(Fill3DCallbackImpl);
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/// <summary>
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/// Pointer to the native callback for 2D function
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/// </summary>
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public static IntPtr Native2DCallbackPtr;
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/// <summary>
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/// Pointer to the native callback for 3D function
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/// </summary>
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public static IntPtr Native3DCallbackPtr;
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static unsafe FillCallbackHelper()
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{
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Native2DCallbackPtr = Marshal.GetFunctionPointerForDelegate(native2DCallback);
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Native3DCallbackPtr = Marshal.GetFunctionPointerForDelegate(native3DCallback);
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}
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[UnmanagedFunctionPointer(CallingConvention.StdCall)]
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private unsafe delegate Result Fill2DCallbackDelegate(RawColor4* outVector, RawVector2* textCoord, RawVector2* textelSize, IntPtr data);
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private static unsafe Result Fill2DCallbackImpl(RawColor4* outVector, RawVector2* textCoord, RawVector2* textelSize, IntPtr data)
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{
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try
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{
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var handle = GCHandle.FromIntPtr(data);
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*outVector = ((Fill2DCallback)handle.Target)(*textCoord, *textelSize);
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}
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catch (SharpDXException exception)
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{
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return exception.ResultCode.Code;
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}
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catch (Exception)
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{
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return Result.Fail.Code;
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}
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return Result.Ok.Code;
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}
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[UnmanagedFunctionPointer(CallingConvention.StdCall)]
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private unsafe delegate Result Fill3DCallbackDelegate(RawColor4* outVector, RawVector3* textCoord, RawVector3* textelSize, IntPtr data);
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private static unsafe Result Fill3DCallbackImpl(RawColor4* outVector, RawVector3* textCoord, RawVector3* textelSize, IntPtr data)
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{
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try
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{
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var handle = GCHandle.FromIntPtr(data);
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*outVector = ((Fill3DCallback)handle.Target)(*textCoord, *textelSize);
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}
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catch (SharpDXException exception)
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{
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return exception.ResultCode.Code;
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}
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catch (Exception)
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{
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return Result.Fail.Code;
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}
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return Result.Ok.Code;
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}
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}
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} |