opengl_states.h

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#pragma once
 
#include "render/blend.h"
#include "render/compare.h"
#include "render/constants.h"
#include "render/cullface.h"
#include "render/rendermode.h"
#include "render/stencilaction.h"
 
#include <optional>
#include <array>
 
namespace eu::render
{
 
using BlendMode = std::tuple<Blend, Blend>;
 
using StencilFunc = std::tuple<Compare, i32, u32>;
 
using StencilOp = std::tuple<StencilAction, StencilAction, StencilAction>;
 
struct OpenglStates
{
    std::optional<bool> cull_face;
    std::optional<CullFace> cull_face_mode;
 
    std::optional<bool> blending;
    std::optional<BlendMode> blend_mode;
 
    std::optional<bool> depth_test;
    std::optional<bool> depth_mask;
    std::optional<Compare> depth_func;
 
    std::optional<bool> stencil_test;
    std::optional<u32> stencil_mask;
 
    std::optional<RenderMode> render_mode;
    std::optional<StencilFunc> stencil_func;
    std::optional<StencilOp> stencil_op;
 
    std::optional<int> active_texture;
    std::array<std::optional<unsigned int>, MAX_TEXTURES_SUPPORTED> texture_bound;
};
 
}  //  namespace klotter