/// <summary>
/// Отключение шейдера
/// </summary>
public void Unbind()
{
GL.UseProgram(0);
if (attribs != null)
{
foreach (VertexAttribute v in attribs)
{
GL.DisableVertexAttribArray(v.Handle);
}
}
if (GLProgram == -2)
{
GraphicalCaps.FallbackToLegacy();
}
}
/// <summary>
/// Установка шейдера
/// </summary>
public virtual void Bind()
{
bool allow = GLProgram > -2;
if (allow && GLProgram == -1)
{
Compile();
if (GLProgram == -2)
{
allow = false;
}
}
if (allow)
{
projectionMatrix.Matrix = ShaderSystem.ProjectionMatrix;
cameraMatrix.Matrix = ShaderSystem.CameraMatrix;
entityMatrix.Matrix = ShaderSystem.EntityMatrix;
GL.UseProgram(GLProgram);
if (uniforms != null)
{
foreach (Uniform u in uniforms)
{
u.Bind(GLProgram);
}
}
if (attribs != null)
{
foreach (VertexAttribute v in attribs)
{
if (v.Handle > -1)
{
GL.EnableVertexAttribArray(v.Handle);
}
}
}
}
else
{
GraphicalCaps.FallbackToLegacy();
GL.UseProgram(0);
}
}
