89 lines
2.0 KiB
C#
89 lines
2.0 KiB
C#
using System.Collections.Generic;
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using ANX.Framework.Graphics;
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using ANX.Framework.NonXNA;
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using OpenTK.Graphics.OpenGL;
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// This file is part of the ANX.Framework created by the
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// "ANX.Framework developer group" and released under the Ms-PL license.
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// For details see: http://anxframework.codeplex.com/license
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namespace ANX.RenderSystem.GL3
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{
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/// <summary>
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/// Native OpenGL implementation of an effect technique.
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/// </summary>
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public class EffectTechniqueGL3 : INativeEffectTechnique
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{
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#region Private
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/// <summary>
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/// The native shader handle.
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/// </summary>
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internal int programHandle;
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/// <summary>
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/// The active attributes of this technique.
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/// </summary>
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internal ShaderAttributeGL3[] activeAttributes;
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/// <summary>
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/// We currently have only one pass per technique.
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/// </summary>
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private EffectPass pass;
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private Effect parentEffect;
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#endregion
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#region Public
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/// <summary>
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/// The name of the effect technique.
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/// </summary>
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public string Name
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{
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get;
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private set;
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}
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/// <summary>
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/// The passes of the technique.
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/// </summary>
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public IEnumerable<EffectPass> Passes
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{
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get
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{
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yield return pass;
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}
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}
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#endregion
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#region Constructor
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/// <summary>
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/// Create a ne effect technique object.
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/// </summary>
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internal EffectTechniqueGL3(Effect setParentEffect, string setName, int setProgramHandle)
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{
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parentEffect = setParentEffect;
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Name = setName;
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programHandle = setProgramHandle;
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GetAttributes();
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pass = new EffectPass(parentEffect);
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}
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#endregion
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#region GetAttributes
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private void GetAttributes()
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{
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int attributeCount;
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GL.GetProgram(programHandle, ProgramParameter.ActiveAttributes,
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out attributeCount);
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activeAttributes = new ShaderAttributeGL3[attributeCount];
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for (int index = 0; index < attributeCount; index++)
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{
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activeAttributes[index] = new ShaderAttributeGL3(programHandle, index);
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}
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}
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#endregion
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}
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}
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