68 lines
No EOL
1.9 KiB
C#
68 lines
No EOL
1.9 KiB
C#
#region usings
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using OpenTK.Graphics.OpenGL4;
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using SM.Base.Window;
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using SM.OGL.Mesh;
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using SM.OGL.Shaders;
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#endregion
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namespace SM.Base.Shaders
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{
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/// <summary>
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/// A general class to work with material shaders properly.
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/// </summary>
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public abstract class MaterialShader : GenericShader
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{
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/// <inheritdoc />
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protected MaterialShader(string combinedData) : base(combinedData)
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{
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}
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/// <inheritdoc />
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protected MaterialShader(string vertex, string fragment) : base(vertex, fragment)
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{
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}
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/// <inheritdoc />
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protected MaterialShader(ShaderFileCollection shaderFileFiles) : base(shaderFileFiles)
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{
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}
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/// <summary>
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/// Prepares the context for the drawing.
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/// </summary>
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/// <param name="context">The context</param>
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public virtual void Draw(DrawContext context)
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{
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context.Shader.Activate();
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context.Mesh.Activate();
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if (context.Mesh is ILineMesh lineMesh)
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GL.LineWidth(context.Material.ShaderArguments.Get("LineWidth", lineMesh.LineWidth));
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else if (context.Material.ShaderArguments.ContainsKey("LineWidth"))
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GL.LineWidth((float) context.Material.ShaderArguments["LineWidth"]);
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if (context.Material.Blending)
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{
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GL.Enable(EnableCap.Blend);
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GL.BlendFunc(BlendingFactor.SrcAlpha, BlendingFactor.OneMinusSrcAlpha);
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}
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else
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{
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GL.Disable(EnableCap.Blend);
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}
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DrawProcess(context);
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CleanUp();
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}
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/// <summary>
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/// Draws the context.
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/// </summary>
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/// <param name="context"></param>
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protected abstract void DrawProcess(DrawContext context);
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}
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} |