public void SetActiveShader(ShaderProgram shader)
{
if (shader == null)
{
Logger.LogError(Logger.ErrorState.Critical, "SetActiveShader, no shader given");
return;
}
if (activeProgram != shader)
{
activeProgram = shader;
activeProgram.Use();
ShaderUniformManager man = ShaderUniformManager.GetSingleton();
if (man.DoesShaderUseCamera(activeProgram))
{
RenderCamera();
}
if (man.DoesShaderUseLights(activeProgram))
{
RenderActiveLights();
}
if (man.DoesShaderSupportUniform(activeProgram, ShaderUniformName.CubeMap))
{
MaterialManager matMan = MaterialManager.GetSingleton();
matMan.SetFromMaterialToShader(activeSkybox, ShaderUniformName.CubeMap, activeProgram);
if (man.DoesShaderSupportUniform(activeProgram, ShaderUniformName.SkyboxRotationMatrix))
{
int rotLoc = activeProgram.GetUniformLocation(ShaderUniformName.SkyboxRotationMatrix);
activeProgram.SetMatrix4Uniform(rotLoc, ref activeSkyboxRotation);
}
}
}
}