public int GetUniformLocation(ShaderUniformName uniformName)
{
foreach (ShaderUniform a in uniforms)
{
if (a.name == uniformName)
{
return(a.location);
}
}
ShaderUniformManager uniMan = ShaderUniformManager.GetSingleton();
Logger.LogError(Logger.ErrorState.Limited, "Uniform " + uniMan.GetUniformName(uniformName) + " location not found in shader program " + programName);
return(-1);
}
// Sets all materials that apply
public void SetMaterialToShader(Material meshMaterial, ShaderProgram program)
{
if (program == null)
{
Logger.LogError(Logger.ErrorState.Limited, "MaterialManager> No program given, cannot set material");
return;
}
if (meshMaterial == null)
{
SetMaterialToShader(defaultMaterial, program);
return;
}
ShaderUniformManager man = ShaderUniformManager.GetSingleton();
// Must try each supported texture uniform
foreach (KeyValuePair <ShaderUniformName, TextureMap> entry in defaultMaterial.textureMaps)
{
ShaderUniformName uniform = entry.Key;
if (!man.DoesShaderSupportUniform(program, uniform))
{
continue;
}
int location = man.GetDataLocation(program, uniform);
if (location == ShaderUniformManager.GetInvalidDataLocation())
{
Logger.LogError(Logger.ErrorState.Limited, "MaterialManager: Shader says to support texture map " + man.GetUniformName(uniform) + " but there is no location for it");
continue;
}
// IMPORTANT PART !
if (meshMaterial.textureMaps.ContainsKey(uniform))
{
SetTextureUniform(program, location, uniform, meshMaterial.textureMaps[uniform]);
}
else
{
if (defaultMaterial.textureMaps.ContainsKey(uniform))
{
SetTextureUniform(program, location, uniform, defaultMaterial.textureMaps[uniform]);
}
else
{
Logger.LogError(Logger.ErrorState.Limited, "MaterialManager: Shader wants a texture map " + man.GetUniformName(uniform) + " that is not in default material");
}
}
}
}