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/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#ifndef _GLSL_COPY_STATE_H
#define _GLSL_COPY_STATE_H
#include "System/UnorderedMap.hpp"
#include "Shader.h"
#include "ShaderStates.h"
typedef unsigned int GLuint;
namespace Shader {
/**
* @brief
* Copies all hidden states related to a GLSL program,
* in particular uniforms, sampler bindings, UBO bindings,
* feedback state, geoshader state, ...
*
* @example
* Very useful when you want to recompile an uber-shader
* with a different #define-flagset.
*/
void GLSLCopyState(GLuint newProgID, GLuint oldProgID, spring::unordered_map<std::size_t, UniformState, fast_hash>* uniformStates);
}
#endif //_GLSL_COPY_STATE_H
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