protected int LocateUniform(string uniformName, bool softFail = true)
{
int location = 0;
if (UniformLocations.TryGetValue(uniformName, out location))
{
return(location);
}
location = GL.GetUniformLocation(Handle, uniformName);
if (location == -1)
{
if (softFail)
{
LogWarn($"Could not locate {uniformName}");
}
else
{
throw new InvalidOperationException($"ShaderProgram.LocateUniform ({Name}): Could not locate {uniformName}");
}
}
UniformLocations.Add(uniformName, location);
return(location);
}
private int GetUniformLocation(string name)
{
if (!UniformLocations.TryGetValue(name, out int location))
{
location = GL.GetUniformLocation(Handle, name);
UniformLocations.Add(name, location);
}
return(location);
}
private void SetUniforms(UniformLocations uniformsLocations, UniformValues uniformsValues)
{
if (LocationValidation.Enabled(uniformsLocations.Location_iTime))
{
Gl.Uniform1f <float>(uniformsLocations.Location_iTime, 1, (float)uniformsValues.Time);
}
if (LocationValidation.Enabled(uniformsLocations.Location_iResolution))
{
Gl.Uniform2f(uniformsLocations.Location_iResolution, 1, uniformsValues.Resolution);
}
if (LocationValidation.Enabled(uniformsLocations.Location_iCursorPosition))
{
Gl.Uniform3f(uniformsLocations.Location_iCursorPosition, 1, uniformsValues.CursorPosition);
}
if (LocationValidation.Enabled(uniformsLocations.Location_iCursorMovement))
{
Gl.Uniform3f(uniformsLocations.Location_iCursorMovement, 1, uniformsValues.CursorMovement);
}
}
