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[Examples] BindAttribLocation must precede LinkProgram

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This commit is contained in:
Stefanos A. 2014-01-30 11:42:07 +01:00
parent bc95477488
commit 0e7f237d5e
1 changed files with 3 additions and 2 deletions
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5
Source/Examples/OpenGL/3.x/HelloGL3.cs
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@ -131,6 +131,9 @@ void main(void)
GL.AttachShader(shaderProgramHandle, vertexShaderHandle);
GL.AttachShader(shaderProgramHandle, fragmentShaderHandle);
GL.BindAttribLocation(shaderProgramHandle, 0, "in_position");
GL.BindAttribLocation(shaderProgramHandle, 1, "in_normal");
GL.LinkProgram(shaderProgramHandle);
Debug.WriteLine(GL.GetProgramInfoLog(shaderProgramHandle));
GL.UseProgram(shaderProgramHandle);
@ -183,12 +186,10 @@ void main(void)
GL.EnableVertexAttribArray(0);
GL.BindBuffer(BufferTarget.ArrayBuffer, positionVboHandle);
GL.VertexAttribPointer(0, 3, VertexAttribPointerType.Float, true, Vector3.SizeInBytes, 0);
GL.BindAttribLocation(shaderProgramHandle, 0, "in_position");
GL.EnableVertexAttribArray(1);
GL.BindBuffer(BufferTarget.ArrayBuffer, normalVboHandle);
GL.VertexAttribPointer(1, 3, VertexAttribPointerType.Float, true, Vector3.SizeInBytes, 0);
GL.BindAttribLocation(shaderProgramHandle, 1, "in_normal");
GL.BindBuffer(BufferTarget.ElementArrayBuffer, eboHandle);