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path: root/Source/Asura.Engine/Graphics/Shader.h
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#ifndef __AE_SHADER_H__
#define __AE_SHADER_H__

#include "luax/luax.h"

#include "FileSystem/Asset.h"
#include "Containers/Map.h"
#include "Containers/StringMap.hpp"
#include "Object.h"
#include "Color.h"
#include "Manager.hpp"

namespace AsuraEngine
{
    namespace Graphics
    {

        class Material;

        ///
        /// һshaderһڲʼ乲ijShaderuniformsͶݣֻuniforms location
        ///
        class Shader final : public Filesystem::Asset
        {
        public:

            Shader();
            ~Shader();

        private:

            friend class Material;

            ///
            /// shaderuniformsIDӳ䡣
            ///
            static Containers::StringMap<int> sUniformsID;

            ///
            /// uniformID
            ///
            static int GetUniformID(const Containers::String& name);

            ///
            /// ñ
            ///     vec2    Asura_Time             xֵΪ뵱ǰʼʱ䣬yֵΪһ֡ʱ
            ///     vec2    Asura_RenderTargetSize RTĴСΪλ
            ///     Texture Asura_MainTexture      
            ///
            void SetBuiltInUniforms();

            ///
            /// ӳuniforms IDlocation
            ///
            Containers::Map<int, int> mLocations;

        };

        class ShaderManager final : public Manager
        {

        };

    }
}

#endif