RenderStates.hpp

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/*
 * =====================================================================================
 *
 *       Filename:  RenderStates.hpp
 *
 *    Description:
 *
 *        Created:  14/06/2018 19:52:27
 *
 *         Author:  Quentin Bazin, <quent42340@gmail.com>
 *
 * =====================================================================================
 */
#ifndef GK_RENDERSTATES_HPP_
#define GK_RENDERSTATES_HPP_

#include <glm/matrix.hpp>

#include "gk/core/IntTypes.hpp"
#include "gk/gl/Transform.hpp"

namespace gk {

class Shader;
class Texture;

namespace VertexAttribute {
    enum {
        Coord3d          = 1,
        Normal           = 2,
        TexCoord         = 4,
        Color            = 8,
        LightValue       = 16,
        BlockType        = 32,
        AmbientOcclusion = 64,

        Only2d      = Coord3d | TexCoord | Color,
        All         = 0xff,
    };
}

struct RenderStates {
    Transform projectionMatrix;
    Transform viewMatrix;
    Transform transform;

    const Texture *texture = nullptr;
    const Shader *shader = nullptr;

    u8 vertexAttributes = VertexAttribute::All;

    static const RenderStates Default; // Defined in RenderTarget.cpp
};

} // namespace gk

#endif // GK_RENDERSTATES_HPP_