public static void BoolToIntShaderUniform(Shader shader, bool value, string name)
{
// Else if is faster than ternary operator.
if (value)
{
GL.Uniform1(shader.GetVertexAttributeUniformLocation(name), 1);
}
else
{
GL.Uniform1(shader.GetVertexAttributeUniformLocation(name), 0);
}
}
private static void SetVertexAttributes(Shader shader)
{
// Set the nud vertex attributes.
GL.VertexAttribPointer(shader.GetVertexAttributeUniformLocation("vPosition"), 3, VertexAttribPointerType.Float, false, NUD.DisplayVertex.Size, 0);
GL.VertexAttribPointer(shader.GetVertexAttributeUniformLocation("vNormal"), 3, VertexAttribPointerType.Float, false, NUD.DisplayVertex.Size, 12);
GL.VertexAttribPointer(shader.GetVertexAttributeUniformLocation("vTangent"), 3, VertexAttribPointerType.Float, false, NUD.DisplayVertex.Size, 24);
GL.VertexAttribPointer(shader.GetVertexAttributeUniformLocation("vBiTangent"), 3, VertexAttribPointerType.Float, false, NUD.DisplayVertex.Size, 36);
GL.VertexAttribPointer(shader.GetVertexAttributeUniformLocation("vUV"), 2, VertexAttribPointerType.Float, false, NUD.DisplayVertex.Size, 48);
GL.VertexAttribPointer(shader.GetVertexAttributeUniformLocation("vColor"), 4, VertexAttribPointerType.Float, false, NUD.DisplayVertex.Size, 56);
GL.VertexAttribIPointer(shader.GetVertexAttributeUniformLocation("vBone"), 4, VertexAttribIntegerType.Int, NUD.DisplayVertex.Size, new IntPtr(72));
GL.VertexAttribPointer(shader.GetVertexAttributeUniformLocation("vWeight"), 4, VertexAttribPointerType.Float, false, NUD.DisplayVertex.Size, 88);
GL.VertexAttribPointer(shader.GetVertexAttributeUniformLocation("vUV2"), 2, VertexAttribPointerType.Float, false, NUD.DisplayVertex.Size, 104);
GL.VertexAttribPointer(shader.GetVertexAttributeUniformLocation("vUV3"), 2, VertexAttribPointerType.Float, false, NUD.DisplayVertex.Size, 112);
}
public static void DrawScreenTriangle(Shader shader, BufferObject vbo)
{
shader.EnableVertexAttributes();
vbo.Bind();
// Set everytime because multiple shaders use this for drawing.
GL.VertexAttribPointer(shader.GetVertexAttributeUniformLocation("position"), 3, VertexAttribPointerType.Float, false, sizeof(float) * 3, 0);
GL.DrawArrays(PrimitiveType.Triangles, 0, 3);
shader.DisableVertexAttributes();
}
public static void SystemColorVector3Uniform(Shader shader, System.Drawing.Color color, string name)
{
GL.Uniform3(shader.GetVertexAttributeUniformLocation(name), ColorTools.Vector4FromColor(color).Xyz);
}
public static void LightColorVector3Uniform(Shader shader, LightColor color, string name)
{
GL.Uniform3(shader.GetVertexAttributeUniformLocation(name), color.R, color.G, color.B);
}
private void SetVertexAttributes(Shader shader)
{
shader.UseProgram();
GL.VertexAttribPointer(shader.GetVertexAttributeUniformLocation("position"), 3, VertexAttribPointerType.Float, false, sizeof(float) * 3, 0);
}