58 lines
1.6 KiB
C#
58 lines
1.6 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Runtime.InteropServices;
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using System.Text;
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namespace StgSharp.Graphics
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{
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internal class Shader
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{
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public readonly uint programID;
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internal uint vertexShaderID;
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internal uint fragmentShaderID;
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public unsafe Shader()
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{
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programID = GL.gl.CreateProgram();
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}
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public unsafe void CompileVertexShader(string shaderCode)
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{
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vertexShaderID = GL.CompileShader(shaderCode, ShaderType.VERTEX);
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GL.gl.AttachShader(programID, vertexShaderID);
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}
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public unsafe void CompileFragmentShader(string shaderCode)
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{
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fragmentShaderID = GL.CompileShader(shaderCode, ShaderType.FRAGMENT);
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GL.gl.AttachShader(programID, fragmentShaderID);
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}
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public void Link()
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{
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if (InternalIO.InternalLinkShaderProgram(programID) == 0)
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{
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IntPtr logPtr = InternalIO.InternalReadLog();
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try
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{
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byte[] logByte = new byte[512];
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Marshal.Copy(logPtr, logByte, 0, 512);
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string log = Encoding.UTF8.GetString(logByte);
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log = log.Replace("\0", "");
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InternalIO.InternalWriteLog(log, LogType.Error);
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}
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catch (Exception ex)
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{
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InternalIO.InternalWriteLog(ex.Message, LogType.Error);
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}
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}
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}
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public unsafe void Use()
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{
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GL.gl.UseProgram(programID);
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}
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}
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}
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